/* roulang page: index */
:root {
            --primary: #2563EB;
            --primary-dark: #1A3F9E;
            --primary-deep: #1E4FBA;
            --secondary-bg: #EAF0FA;
            --secondary-bg-light: #EFF4FC;
            --ink: #0F1E3C;
            --ink-soft: #1A2D50;
            --gray: #5A6B87;
            --gray-light: #8A9BB8;
            --bg: #F7F9FC;
            --card-bg: #FFFFFF;
            --border: #DFE7F2;
            --border-focus: #CBD8EC;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(15, 30, 60, 0.06);
            --shadow-hover: 0 8px 24px rgba(15, 30, 60, 0.10);
            --shadow-focus: 0 0 0 3px rgba(37, 99, 235, 0.35);
            --danger: #D93843;
            --success: #16A34A;
            --warning-bg: #FFF7ED;
            --warning-text: #C2410C;
            --transition: all 0.25s ease;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --font-display: "Barlow", "PingFang SC", "Microsoft YaHei", sans-serif;
            --container-max: 1180px;
            --section-padding: 80px 0;
            --header-height: 68px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--ink);
            background: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        body.no-scroll {
            overflow: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: var(--font-sans);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(15, 30, 60, 0.05);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            font-family: var(--font-display);
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink-soft);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            background: var(--secondary-bg);
            color: var(--primary);
        }

        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--primary);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--warning-bg);
            color: var(--warning-text);
            font-size: 11px;
            font-weight: 600;
            padding: 4px 8px;
            border-radius: 4px;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .nav-countdown {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: #fff;
            border: 1px solid var(--border-focus);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            white-space: nowrap;
            font-variant-numeric: tabular-nums;
            letter-spacing: 0.5px;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #fff !important;
            font-size: 14px;
            font-weight: 600;
            padding: 9px 18px;
            border-radius: 10px;
            border: none;
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .nav-cta:hover {
            background: var(--primary-dark);
            color: #fff !important;
            box-shadow: var(--shadow-hover);
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--ink);
            padding: 8px;
            line-height: 1;
        }

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(15, 30, 60, 0.45);
            z-index: 999;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .mobile-menu-overlay.open {
            opacity: 1;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 1001;
            padding: 20px;
            overflow-y: auto;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
            flex-direction: column;
        }

        .mobile-menu.open {
            transform: translateX(0);
        }

        .mobile-menu a {
            display: block;
            padding: 14px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--ink);
            border-radius: 8px;
            transition: var(--transition);
            border-bottom: 1px solid #f0f4fa;
        }

        .mobile-menu a:hover {
            background: var(--secondary-bg);
            color: var(--primary);
        }

        .mobile-menu a.active {
            color: var(--primary);
            font-weight: 600;
            background: var(--secondary-bg-light);
        }

        .mobile-menu .mobile-cta {
            margin-top: auto;
            background: var(--primary);
            color: #fff !important;
            text-align: center;
            font-weight: 600;
            border: none;
            border-radius: 10px;
            padding: 14px;
        }

        /* ===== Hero ===== */
        .hero {
            margin-top: var(--header-height);
            padding: 56px 0 48px;
            background: #fff;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: var(--secondary-bg-light);
            pointer-events: none;
            z-index: 0;
        }

        .hero .container {
            position: relative;
            z-index: 1;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-new-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--warning-bg);
            color: var(--warning-text);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .hero-new-tag i {
            font-size: 12px;
        }

        .hero h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--ink);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            font-family: var(--font-sans);
        }

        .hero h1 .highlight {
            color: var(--primary);
            position: relative;
        }

        .hero h1 .highlight::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            right: 0;
            height: 8px;
            background: var(--secondary-bg);
            border-radius: 4px;
            z-index: -1;
        }

        .hero-subtitle {
            font-size: 16px;
            line-height: 1.8;
            color: var(--gray);
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-cta-row {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff !important;
            font-size: 15px;
            font-weight: 600;
            padding: 13px 24px;
            border-radius: 12px;
            border: none;
            transition: var(--transition);
            letter-spacing: 0.3px;
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
            transform: translateY(-1px);
            color: #fff !important;
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 22px;
            border-radius: 12px;
            border: 1px solid var(--border-focus);
            transition: var(--transition);
            letter-spacing: 0.3px;
        }

        .btn-secondary:hover {
            background: var(--secondary-bg-light);
            border-color: var(--primary);
            color: var(--primary-dark);
        }

        .hero-stats-row {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .hero-stat {
            text-align: left;
        }

        .hero-stat .stat-num {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            font-family: var(--font-display);
            letter-spacing: -0.3px;
        }

        .hero-stat .stat-label {
            font-size: 13px;
            color: var(--gray);
            margin-top: 2px;
        }

        .hero-right {
            position: relative;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
        }

        .hero-image-wrap {
            width: 100%;
            max-width: 480px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            border: 2px solid var(--border);
            position: relative;
            aspect-ratio: 4/3;
            background: #E6EEF8;
        }

        .hero-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-image-badge {
            position: absolute;
            bottom: 14px;
            left: 14px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(4px);
            border-radius: 10px;
            padding: 8px 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--ink);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }

        .hero-image-badge i {
            color: var(--success);
            font-size: 14px;
        }

        .countdown-ring-row {
            display: flex;
            align-items: center;
            gap: 16px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 12px 18px;
            box-shadow: var(--shadow-sm);
        }

        .countdown-ring {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: conic-gradient(var(--primary) 0deg, var(--border) 0deg);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            position: relative;
        }

        .countdown-ring::before {
            content: '';
            position: absolute;
            inset: 5px;
            border-radius: 50%;
            background: #fff;
        }

        .countdown-ring .ring-text {
            position: relative;
            z-index: 1;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            font-family: var(--font-display);
            letter-spacing: -0.5px;
        }

        .countdown-info {
            display: flex;
            flex-direction: column;
        }

        .countdown-info .cd-label {
            font-size: 12px;
            color: var(--gray);
        }

        .countdown-info .cd-time {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            font-variant-numeric: tabular-nums;
            letter-spacing: 1px;
            font-family: var(--font-display);
        }

        .hero-dot-nav {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .hero-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #D1D9E8;
            border: none;
            padding: 0;
            transition: var(--transition);
        }

        .hero-dot.active {
            background: var(--primary);
            width: 24px;
            border-radius: 4px;
        }

        /* ===== Section Common ===== */
        .section {
            padding: var(--section-padding);
        }

        .section-alt {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 12px;
            letter-spacing: -0.4px;
            line-height: 1.35;
        }

        .section-header p {
            font-size: 15px;
            color: var(--gray);
            line-height: 1.8;
            max-width: 680px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--secondary-bg-light);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        /* ===== Metrics Board ===== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            text-align: center;
        }

        .metric-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: var(--border-focus);
        }

        .metric-num {
            font-size: 36px;
            font-weight: 700;
            color: var(--primary);
            font-family: var(--font-display);
            letter-spacing: -1px;
            line-height: 1.2;
        }

        .metric-label {
            font-size: 14px;
            color: var(--gray);
            margin-top: 6px;
            font-weight: 500;
        }

        /* ===== Entry Matrix ===== */
        .entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .entry-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            text-decoration: none;
            color: var(--ink);
        }

        .entry-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--border-focus);
            color: var(--ink);
        }

        .entry-card .entry-img {
            aspect-ratio: 16/9;
            background: #E6EEF8;
            overflow: hidden;
        }

        .entry-card .entry-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .entry-card:hover .entry-img img {
            transform: scale(1.04);
        }

        .entry-card .entry-body {
            padding: 16px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .entry-card .entry-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 6px;
        }

        .entry-card .entry-desc {
            font-size: 13px;
            color: var(--gray);
            line-height: 1.7;
            flex: 1;
        }

        .entry-card .entry-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 10px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .entry-card .entry-link i {
            transition: transform 0.25s ease;
        }

        .entry-card:hover .entry-link i {
            transform: translateX(4px);
        }

        /* ===== Service Matrix ===== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .service-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .service-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .service-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--secondary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 20px;
            margin-bottom: 16px;
        }

        .service-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
        }

        .service-card p {
            font-size: 14px;
            color: var(--gray);
            line-height: 1.75;
            margin-bottom: 12px;
        }

        .service-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== Result Comparison ===== */
        .compare-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            max-width: 900px;
            margin: 0 auto;
        }

        .compare-col {
            border-radius: var(--radius-md);
            padding: 28px 26px;
            position: relative;
        }

        .compare-col.before {
            background: #F5F7FA;
            border: 1px solid #E5EAF2;
        }

        .compare-col.after {
            background: var(--secondary-bg-light);
            border: 1px solid var(--border-focus);
        }

        .compare-col .compare-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .compare-col.before .compare-tag {
            background: #E5EAF2;
            color: var(--gray);
        }

        .compare-col.after .compare-tag {
            background: var(--primary);
            color: #fff;
        }

        .compare-col h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 18px;
        }

        .compare-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .compare-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(15, 30, 60, 0.06);
            font-size: 14px;
            color: var(--ink-soft);
            line-height: 1.65;
        }

        .compare-list li:last-child {
            border-bottom: none;
        }

        .compare-list li .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            flex-shrink: 0;
            margin-top: 7px;
        }

        .compare-col.before .compare-list li .dot {
            background: #B0BCCE;
        }

        .compare-col.after .compare-list li .dot {
            background: var(--success);
            box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.18);
        }

        /* ===== Milestones ===== */
        .timeline {
            position: relative;
            padding-left: 28px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 7px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: #D6DFEE;
        }

        .timeline-item {
            position: relative;
            padding-bottom: 28px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -27px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid #fff;
            box-shadow: 0 0 0 3px var(--secondary-bg);
        }

        .timeline-item .tl-date {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 4px;
            letter-spacing: 0.3px;
        }

        .timeline-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 4px;
        }

        .timeline-item p {
            font-size: 14px;
            color: var(--gray);
            line-height: 1.7;
        }

        /* ===== News Section ===== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 28px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .news-item {
            display: flex;
            gap: 16px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            text-decoration: none;
            color: var(--ink);
        }

        .news-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            color: var(--ink);
            border-color: var(--border-focus);
        }

        .news-item .news-thumb {
            width: 120px;
            height: 80px;
            border-radius: var(--radius-sm);
            background: #E6EEF8;
            overflow: hidden;
            flex-shrink: 0;
        }

        .news-item .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-item .news-body {
            flex: 1;
        }

        .news-item .news-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 4px;
            line-height: 1.5;
        }

        .news-item .news-meta {
            font-size: 12px;
            color: var(--gray-light);
            display: flex;
            gap: 12px;
            margin-bottom: 6px;
        }

        .news-item .news-meta i {
            margin-right: 3px;
        }

        .news-item .news-excerpt {
            font-size: 13px;
            color: var(--gray);
            line-height: 1.7;
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .news-sidebar-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-sm);
        }

        .news-sidebar-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 12px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border);
        }

        .news-sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .news-sidebar-card ul li {
            padding: 8px 0;
            border-bottom: 1px solid #F0F4FA;
            font-size: 13px;
            color: var(--gray);
            line-height: 1.7;
        }

        .news-sidebar-card ul li:last-child {
            border-bottom: none;
        }

        .news-sidebar-card ul li a {
            color: var(--ink-soft);
            transition: var(--transition);
        }

        .news-sidebar-card ul li a:hover {
            color: var(--primary);
        }

        /* ===== Platform Assurance ===== */
        .assurance-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .assurance-card {
            text-align: center;
            padding: 24px 16px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .assurance-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .assurance-card i {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 12px;
            display: block;
        }

        .assurance-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 6px;
        }

        .assurance-card p {
            font-size: 13px;
            color: var(--gray);
            line-height: 1.7;
        }

        /* ===== Reviews ===== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .review-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .review-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .review-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }

        .review-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--secondary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }

        .review-info .review-name {
            font-size: 14px;
            font-weight: 700;
            color: var(--ink);
        }

        .review-info .review-from {
            font-size: 12px;
            color: var(--gray-light);
        }

        .review-stars {
            color: #F59E0B;
            font-size: 13px;
            margin-bottom: 8px;
            letter-spacing: 1px;
        }

        .review-text {
            font-size: 13px;
            color: var(--gray);
            line-height: 1.75;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border-focus);
            box-shadow: var(--shadow-sm);
        }

        .faq-item summary {
            list-style: none;
            padding: 16px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: background 0.2s ease;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover {
            background: var(--secondary-bg-light);
        }

        .faq-item summary .faq-icon {
            font-size: 16px;
            color: var(--primary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item[open] summary .faq-icon {
            transform: rotate(180deg);
        }

        .faq-item[open] summary {
            background: var(--secondary-bg-light);
            border-bottom: 1px solid var(--border);
        }

        .faq-answer {
            padding: 16px 20px 18px;
            font-size: 14px;
            color: var(--gray);
            line-height: 1.8;
            background: #fff;
        }

        /* ===== Brand Intro ===== */
        .brand-intro-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            box-shadow: var(--shadow-sm);
            max-width: 900px;
            margin: 0 auto;
        }

        .brand-intro-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 16px;
        }

        .brand-intro-card p {
            font-size: 15px;
            color: var(--gray);
            line-height: 1.85;
            margin-bottom: 12px;
        }

        .brand-intro-card p:last-child {
            margin-bottom: 0;
        }

        /* ===== Partner Tags ===== */
        .partner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .partner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 30px;
            padding: 10px 18px;
            font-size: 13px;
            font-weight: 600;
            color: var(--ink-soft);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .partner-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-1px);
        }

        .partner-tag i {
            color: var(--primary);
            font-size: 14px;
        }

        /* ===== App Download ===== */
        .app-section {
            background: var(--ink);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 32px;
            align-items: center;
            box-shadow: 0 12px 40px rgba(15, 30, 60, 0.18);
        }

        .app-section h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .app-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            margin-bottom: 0;
        }

        .app-buttons {
            display: flex;
            gap: 14px;
            flex-shrink: 0;
        }

        .app-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            padding: 12px 20px;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
            text-decoration: none;
        }

        .app-btn:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.35);
        }

        .app-btn i {
            font-size: 20px;
        }

        .app-btn .btn-text {
            display: flex;
            flex-direction: column;
            line-height: 1.3;
        }

        .app-btn .btn-text small {
            font-size: 10px;
            font-weight: 400;
            opacity: 0.75;
        }

        /* ===== Form ===== */
        .form-card {
            max-width: 560px;
            margin: 0 auto;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            box-shadow: var(--shadow-sm);
        }

        .form-card h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
            text-align: center;
        }

        .form-card .form-sub {
            font-size: 14px;
            color: var(--gray);
            text-align: center;
            margin-bottom: 24px;
        }

        .form-card .field {
            margin-bottom: 16px;
        }

        .form-card label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--ink-soft);
            margin-bottom: 6px;
        }

        .form-card input,
        .form-card select,
        .form-card textarea {
            width: 100%;
            height: 44px;
            border: 1px solid var(--border-focus);
            border-radius: 8px;
            padding: 0 14px;
            font-size: 14px;
            font-family: var(--font-sans);
            color: var(--ink);
            background: #fff;
            transition: var(--transition);
            box-shadow: none;
            appearance: none;
            -webkit-appearance: none;
        }

        .form-card textarea {
            height: 100px;
            padding: 12px 14px;
            resize: vertical;
        }

        .form-card input:focus,
        .form-card select:focus,
        .form-card textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
            outline: none;
        }

        .form-card select {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235A6B87' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            padding-right: 36px;
        }

        .form-card .btn-submit {
            width: 100%;
            height: 48px;
            background: var(--primary);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            border: none;
            border-radius: 10px;
            transition: var(--transition);
            letter-spacing: 1px;
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
        }

        .form-card .btn-submit:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
        }

        .form-card .btn-submit:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
        }

        .form-privacy {
            text-align: center;
            font-size: 12px;
            color: var(--gray-light);
            margin-top: 12px;
        }

        .form-error {
            font-size: 12px;
            color: var(--danger);
            margin-top: 4px;
            display: none;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--ink);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .footer-col .footer-logo span {
            color: #60A5FA;
        }

        .footer-col p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: var(--transition);
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
            align-items: center;
            flex-wrap: wrap;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-right {
                order: 2;
                max-width: 480px;
                margin: 0 auto;
            }
            .hero h1 {
                font-size: 34px;
            }
            .entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .assurance-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .app-section {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .app-buttons {
                justify-content: center;
            }
            .nav-links {
                gap: 0;
            }
            .nav-links a {
                padding: 8px 8px;
                font-size: 13px;
            }
            .nav-badge,
            .nav-countdown {
                display: none;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
            }
            .section {
                padding: 56px 0;
            }
            .nav-links {
                display: none;
            }
            .nav-actions {
                gap: 8px;
            }
            .nav-cta {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .mobile-menu {
                display: flex;
            }
            .hero {
                padding: 40px 0 36px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-stats-row {
                gap: 16px;
            }
            .hero-stat .stat-num {
                font-size: 18px;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .entry-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .service-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .metric-num {
                font-size: 28px;
            }
            .compare-wrap {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .review-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .assurance-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .news-item {
                flex-direction: column;
                padding: 14px;
            }
            .news-item .news-thumb {
                width: 100%;
                height: 160px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .app-section {
                padding: 32px 20px;
            }
            .app-buttons {
                flex-direction: column;
                align-items: center;
                gap: 10px;
            }
            .form-card {
                padding: 28px 20px;
            }
            .brand-intro-card {
                padding: 24px 20px;
            }
        }

        @media (max-width: 520px) {
            .hero {
                padding: 32px 0 28px;
            }
            .hero h1 {
                font-size: 24px;
            }
            .hero-subtitle {
                font-size: 14px;
            }
            .hero-cta-row {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary,
            .btn-secondary {
                justify-content: center;
                text-align: center;
            }
            .countdown-ring-row {
                flex-wrap: wrap;
                justify-content: center;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .metric-num {
                font-size: 24px;
            }
            .metric-card {
                padding: 16px 14px;
            }
            .assurance-grid {
                grid-template-columns: 1fr;
            }
            .compare-col {
                padding: 20px 16px;
            }
            .timeline {
                padding-left: 22px;
            }
            .timeline-item::before {
                left: -21px;
                width: 12px;
                height: 12px;
            }
            .partner-tag {
                font-size: 12px;
                padding: 8px 14px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom-links {
                justify-content: center;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #2563EB;
            --primary-dark: #1A3F9E;
            --primary-deep: #1E4FBA;
            --secondary-bg: #EAF0FA;
            --secondary-bg-light: #EFF4FC;
            --ink: #0F1E3C;
            --ink-soft: #1A2D50;
            --gray: #5A6B87;
            --gray-light: #8A9BB8;
            --bg: #F7F9FC;
            --card-bg: #FFFFFF;
            --border: #DFE7F2;
            --border-focus: #CBD8EC;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(15, 30, 60, 0.06);
            --shadow-hover: 0 8px 24px rgba(15, 30, 60, 0.10);
            --shadow-focus: 0 0 0 3px rgba(37, 99, 235, 0.35);
            --danger: #D93843;
            --success: #16A34A;
            --warning-bg: #FFF7ED;
            --warning-text: #C2410C;
            --transition: all 0.25s ease;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --font-display: "Barlow", "PingFang SC", "Microsoft YaHei", sans-serif;
            --container-max: 1180px;
            --section-padding: 72px 0;
            --header-height: 64px;
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--ink);
            background: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
            padding: 0;
            padding-top: var(--header-height);
        }

        body.no-scroll {
            overflow: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: var(--font-sans);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(15, 30, 60, 0.05);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: inherit;
        }

        .logo a:hover {
            color: inherit;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            font-family: var(--font-display);
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
            flex: 1;
            justify-content: center;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 11px;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink-soft);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            background: var(--secondary-bg);
            color: var(--primary);
        }

        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 1px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--primary);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--warning-bg);
            color: var(--warning-text);
            font-size: 11px;
            font-weight: 600;
            padding: 4px 8px;
            border-radius: 4px;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .nav-countdown {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary-dark);
            background: var(--secondary-bg-light);
            padding: 5px 10px;
            border-radius: 4px;
            border: 1px solid var(--border);
            white-space: nowrap;
            font-family: var(--font-display);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            border: none;
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
            line-height: 1.4;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-hover);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: var(--shadow-sm);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--ink);
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: var(--secondary-bg);
            color: var(--primary);
        }

        @media (max-width: 1024px) {
            .nav-links a {
                padding: 8px 8px;
                font-size: 13px;
            }
            .nav-countdown {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px;
                gap: 6px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 12px 24px rgba(15, 30, 60, 0.08);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                font-size: 15px;
                border-radius: var(--radius-sm);
                width: 100%;
                justify-content: flex-start;
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-links a.active {
                background: var(--secondary-bg);
            }
            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .nav-badge {
                display: none;
            }
            .nav-actions .btn-primary {
                padding: 8px 14px;
                font-size: 13px;
            }
        }

        @media (max-width: 480px) {
            .logo-text {
                font-size: 17px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
                border-radius: 8px;
            }
        }

        /* ===== Page Banner / Breadcrumb ===== */
        .page-banner {
            background: linear-gradient(180deg, #FFFFFF 0%, var(--secondary-bg-light) 100%);
            border-bottom: 1px solid var(--border);
            padding: 36px 0 28px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: var(--gray);
            margin-bottom: 14px;
        }

        .breadcrumb a {
            color: var(--gray);
        }

        .breadcrumb a:hover {
            color: var(--primary);
        }

        .breadcrumb .separator {
            color: var(--gray-light);
            font-size: 11px;
        }

        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        .page-banner h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 10px;
            line-height: 1.35;
            letter-spacing: 0.3px;
        }

        .page-banner .banner-desc {
            font-size: 15px;
            color: var(--gray);
            max-width: 720px;
            line-height: 1.8;
            margin: 0;
        }

        .banner-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 14px;
            flex-wrap: wrap;
        }

        .banner-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--gray);
        }

        .banner-meta .meta-item i {
            color: var(--primary);
            font-size: 13px;
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 24px 0 20px;
            }
            .page-banner h1 {
                font-size: 25px;
            }
            .page-banner .banner-desc {
                font-size: 14px;
            }
            .banner-meta {
                gap: 10px;
            }
        }

        /* ===== Main Content ===== */
        main {
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .section {
            padding: var(--section-padding);
        }

        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
            line-height: 1.4;
            letter-spacing: 0.3px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--gray);
            margin-bottom: 28px;
            line-height: 1.75;
            max-width: 680px;
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .section-header .left {
            flex: 1;
            min-width: 240px;
        }

        .section-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
        }

        .section-link:hover {
            color: var(--primary-dark);
            gap: 6px;
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 21px;
            }
            .section-subtitle {
                font-size: 14px;
                margin-bottom: 20px;
            }
        }

        /* ===== TOP 3 Podium ===== */
        .podium-section {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
        }

        .podium-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 10px;
        }

        .podium-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 24px 24px;
            text-align: center;
            position: relative;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }

        .podium-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .podium-card .rank-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            font-family: var(--font-display);
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            line-height: 1;
        }

        .podium-card .rank-badge.rank-1 {
            background: #F59E0B;
            box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
        }

        .podium-card .rank-badge.rank-2 {
            background: #64748B;
            box-shadow: 0 4px 12px rgba(100, 116, 139, 0.35);
        }

        .podium-card .rank-badge.rank-3 {
            background: #B45309;
            box-shadow: 0 4px 12px rgba(180, 83, 9, 0.3);
        }

        .podium-card .cover-wrap {
            width: 100%;
            aspect-ratio: 16 / 9;
            border-radius: var(--radius-md);
            overflow: hidden;
            margin: 8px 0 18px;
            border: 2px solid var(--border);
            background: var(--secondary-bg-light);
        }

        .podium-card .cover-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .podium-card:hover .cover-wrap img {
            transform: scale(1.03);
        }

        .podium-card .game-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 6px;
            line-height: 1.45;
        }

        .podium-card .game-type {
            font-size: 13px;
            color: var(--gray);
            margin-bottom: 12px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .podium-card .game-type .tag {
            background: var(--secondary-bg);
            color: var(--primary);
            font-size: 11px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 4px;
        }

        .podium-card .heat-score {
            font-family: var(--font-display);
            font-size: 34px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 4px;
            letter-spacing: 0.5px;
        }

        .podium-card .heat-label {
            font-size: 12px;
            color: var(--gray-light);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .podium-card .trend-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            margin-top: 4px;
        }

        .podium-card .trend-badge.up {
            background: #ECFDF5;
            color: #059669;
        }

        .podium-card .trend-badge.down {
            background: #FEF2F2;
            color: #DC2626;
        }

        .podium-card .trend-badge.stable {
            background: var(--secondary-bg-light);
            color: var(--gray);
        }

        @media (max-width: 768px) {
            .podium-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .podium-card {
                padding: 22px 18px 20px;
            }
            .podium-card .heat-score {
                font-size: 28px;
            }
        }

        /* ===== Ranking List ===== */
        .rank-list-section {
            background: var(--bg);
        }

        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .rank-row {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            cursor: pointer;
        }

        .rank-row:hover {
            box-shadow: var(--shadow-hover);
            transform: translateX(3px);
            border-color: var(--border-focus);
        }

        .rank-row .rank-number {
            font-family: var(--font-display);
            font-size: 20px;
            font-weight: 800;
            color: var(--gray-light);
            width: 44px;
            flex-shrink: 0;
            text-align: center;
            letter-spacing: 0.5px;
        }

        .rank-row .rank-number.top {
            color: var(--primary);
            font-size: 24px;
        }

        .rank-row .row-cover {
            width: 96px;
            aspect-ratio: 16 / 10;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            border: 1px solid var(--border);
            background: var(--secondary-bg-light);
        }

        .rank-row .row-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .rank-row .row-info {
            flex: 1;
            min-width: 0;
        }

        .rank-row .row-game-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 4px;
            line-height: 1.4;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .rank-row .row-game-name .mini-tag {
            font-size: 11px;
            font-weight: 600;
            padding: 2px 7px;
            border-radius: 3px;
            background: var(--secondary-bg);
            color: var(--primary);
            white-space: nowrap;
        }

        .rank-row .row-game-name .mini-tag.hot {
            background: #FEF3C7;
            color: #D97706;
        }

        .rank-row .row-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--gray);
        }

        .rank-row .row-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .rank-row .row-meta i {
            font-size: 12px;
            color: var(--gray-light);
        }

        .rank-row .row-heat {
            flex-shrink: 0;
            text-align: right;
        }

        .rank-row .row-heat .heat-value {
            font-family: var(--font-display);
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 3px;
            letter-spacing: 0.3px;
        }

        .rank-row .row-heat .heat-unit {
            font-size: 11px;
            color: var(--gray-light);
        }

        @media (max-width: 640px) {
            .rank-row {
                padding: 12px 14px;
                gap: 10px;
                flex-wrap: wrap;
            }
            .rank-row .row-cover {
                width: 72px;
                aspect-ratio: 16 / 10;
            }
            .rank-row .rank-number {
                font-size: 16px;
                width: 30px;
            }
            .rank-row .row-game-name {
                font-size: 14px;
            }
            .rank-row .row-heat {
                display: none;
            }
            .rank-row .row-info {
                flex: 1 1 calc(100% - 120px);
            }
            .rank-row .row-meta {
                gap: 8px;
                font-size: 12px;
            }
        }

        /* ===== Category Ranking Cards ===== */
        .category-rank-section {
            background: #FFFFFF;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .category-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .category-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .category-card .cat-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 14px;
            gap: 10px;
        }

        .category-card .cat-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .category-card .cat-name i {
            color: var(--primary);
            font-size: 16px;
            width: 28px;
            height: 28px;
            background: var(--secondary-bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
        }

        .category-card .cat-count {
            font-size: 12px;
            color: var(--gray-light);
            white-space: nowrap;
        }

        .category-card .cat-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .category-card .cat-list li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 0;
            border-bottom: 1px solid var(--secondary-bg-light);
            font-size: 13px;
            color: var(--ink-soft);
            gap: 8px;
        }

        .category-card .cat-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .category-card .cat-list li .cat-game {
            display: flex;
            align-items: center;
            gap: 6px;
            min-width: 0;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .category-card .cat-list li .cat-game .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
            flex-shrink: 0;
        }

        .category-card .cat-list li .cat-heat {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 14px;
            color: var(--primary);
            white-space: nowrap;
        }

        @media (max-width: 900px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }

        @media (max-width: 600px) {
            .category-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        /* ===== Data Stats Bar ===== */
        .stats-section {
            background: var(--secondary-bg-light);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 40px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .stat-item {
            text-align: center;
            padding: 18px 12px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .stat-item .stat-value {
            font-family: var(--font-display);
            font-size: 30px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: 0.5px;
            margin-bottom: 4px;
        }

        .stat-item .stat-label {
            font-size: 13px;
            color: var(--gray);
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stat-item .stat-value {
                font-size: 24px;
            }
        }

        @media (max-width: 400px) {
            .stats-section {
                padding: 28px 0;
            }
            .stat-item {
                padding: 12px 8px;
            }
            .stat-item .stat-value {
                font-size: 20px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
        }

        .faq-list {
            max-width: 840px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border-focus);
        }

        .faq-item details {
            display: block;
        }

        .faq-item summary {
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            list-style: none;
            transition: var(--transition);
            user-select: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover {
            background: var(--secondary-bg-light);
            color: var(--primary);
        }

        .faq-item summary .faq-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--secondary-bg);
            color: var(--primary);
            font-size: 12px;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item details[open] summary {
            background: var(--secondary-bg-light);
            color: var(--primary);
            border-bottom: 1px solid var(--border);
        }

        .faq-item details[open] summary .faq-icon {
            transform: rotate(180deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-item .faq-answer {
            padding: 16px 20px;
            font-size: 14px;
            color: var(--gray);
            line-height: 1.85;
            background: #FFFFFF;
        }

        @media (max-width: 640px) {
            .faq-item summary {
                padding: 13px 16px;
                font-size: 14px;
            }
            .faq-item .faq-answer {
                padding: 13px 16px;
                font-size: 13px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--secondary-bg-light);
            border-bottom: 1px solid var(--border);
        }

        .cta-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-card h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 10px;
            line-height: 1.4;
        }

        .cta-card p {
            font-size: 14px;
            color: var(--gray);
            margin: 0 0 22px;
            line-height: 1.8;
        }

        .cta-card .btn-group {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: #FFFFFF;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--primary);
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
            line-height: 1.4;
        }

        .btn-secondary:hover {
            background: var(--secondary-bg-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        .btn-secondary:active {
            transform: translateY(1px);
        }

        @media (max-width: 640px) {
            .cta-card {
                padding: 24px 18px;
            }
            .cta-card h2 {
                font-size: 20px;
            }
            .cta-card p {
                font-size: 13px;
            }
            .cta-card .btn-group {
                flex-direction: column;
            }
            .cta-card .btn-group .btn-primary,
            .cta-card .btn-group .btn-secondary {
                width: 100%;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--ink);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 28px;
            margin-bottom: 32px;
        }

        .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-logo span {
            color: #6B9EFF;
        }

        .footer-col p {
            font-size: 13px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.65);
            margin: 0 0 14px;
            max-width: 340px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            margin: 0 0 14px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 13px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 3px;
        }

        .footer-col ul li a i {
            font-size: 12px;
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
        }

        .footer-bottom-links a:hover {
            color: #fff;
        }

        .footer-bottom-links span {
            color: rgba(255, 255, 255, 0.3);
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }

        @media (max-width: 560px) {
            .site-footer {
                padding: 36px 0 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
                margin-bottom: 22px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding-top: 14px;
                font-size: 11px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #2563EB;
            --primary-dark: #1A3F9E;
            --primary-deep: #1E4FBA;
            --secondary-bg: #EAF0FA;
            --secondary-bg-light: #EFF4FC;
            --ink: #0F1E3C;
            --ink-soft: #1A2D50;
            --gray: #5A6B87;
            --gray-light: #8A9BB8;
            --bg: #F7F9FC;
            --card-bg: #FFFFFF;
            --border: #DFE7F2;
            --border-focus: #CBD8EC;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(15, 30, 60, 0.06);
            --shadow-hover: 0 8px 24px rgba(15, 30, 60, 0.10);
            --shadow-focus: 0 0 0 3px rgba(37, 99, 235, 0.35);
            --danger: #D93843;
            --success: #16A34A;
            --warning-bg: #FFF7ED;
            --warning-text: #C2410C;
            --transition: all 0.25s ease;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --font-display: "Barlow", "PingFang SC", "Microsoft YaHei", sans-serif;
            --container-max: 1180px;
            --section-padding: 80px 0;
            --header-height: 68px;
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--ink);
            background: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
            padding: 0;
            padding-top: var(--header-height);
        }

        body.no-scroll {
            overflow: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: var(--font-sans);
        }

        ul,
        ol {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(15, 30, 60, 0.05);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            font-family: var(--font-display);
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink-soft);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            background: var(--secondary-bg);
            color: var(--primary);
        }

        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--primary);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--warning-bg);
            color: var(--warning-text);
            font-size: 11px;
            font-weight: 600;
            padding: 4px 8px;
            border-radius: 4px;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .nav-countdown {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #FFFFFF;
            border: 1px solid var(--border);
            color: var(--ink-soft);
            font-size: 12px;
            font-weight: 600;
            padding: 5px 10px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            font-variant-numeric: tabular-nums;
        }

        .nav-countdown i {
            color: var(--primary);
            font-size: 13px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-md);
            border: none;
            transition: var(--transition);
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #FFFFFF;
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(37, 99, 235, 0.35);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 6px rgba(37, 99, 235, 0.25);
        }

        .btn-secondary {
            background: #FFFFFF;
            color: var(--primary);
            border: 1px solid var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .btn-secondary:hover {
            background: var(--secondary-bg-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-1px);
        }

        .btn-sm {
            padding: 7px 14px;
            font-size: 13px;
            border-radius: var(--radius-sm);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--ink);
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: var(--secondary-bg);
            color: var(--primary);
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            background: var(--secondary-bg-light);
            overflow: hidden;
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--border);
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            pointer-events: none;
        }

        .page-banner .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--gray);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--gray);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .breadcrumb a:hover {
            color: var(--primary);
        }

        .breadcrumb .separator {
            color: var(--gray-light);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        .page-banner h1 {
            font-size: 34px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 14px;
            line-height: 1.35;
            letter-spacing: 0.3px;
        }

        .page-banner .banner-desc {
            font-size: 16px;
            color: var(--gray);
            max-width: 720px;
            line-height: 1.8;
            margin: 0 0 20px;
        }

        .banner-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: center;
        }

        .banner-stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .banner-stat-item .stat-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: #FFFFFF;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 16px;
            box-shadow: var(--shadow-sm);
        }

        .banner-stat-item .stat-info {
            display: flex;
            flex-direction: column;
        }

        .banner-stat-item .stat-num {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            font-family: var(--font-display);
            line-height: 1.2;
        }

        .banner-stat-item .stat-label {
            font-size: 12px;
            color: var(--gray);
        }

        /* ===== Section Titles ===== */
        .section {
            padding: var(--section-padding);
        }

        .section-header {
            margin-bottom: 36px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--secondary-bg);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 4px;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 10px;
            line-height: 1.4;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--gray);
            max-width: 680px;
            line-height: 1.8;
            margin: 0;
        }

        /* ===== Feature Cards ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .feature-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 26px 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: var(--border-focus);
        }

        .feature-card .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--secondary-bg-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--ink);
            margin: 0 0 8px;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--gray);
            margin: 0;
            line-height: 1.8;
        }

        /* ===== Game Dual List ===== */
        .game-dual-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .game-row-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .game-row-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: var(--border-focus);
        }

        .game-row-card .game-row-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            background: #E6EEF8;
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }

        .game-row-card .game-row-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .game-row-card:hover .game-row-cover img {
            transform: scale(1.04);
        }

        .game-row-card .game-row-cover .game-type-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(15, 30, 60, 0.75);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            letter-spacing: 0.3px;
            backdrop-filter: blur(4px);
        }

        .game-row-card .game-row-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .game-row-card .game-row-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--ink);
            margin: 0;
            line-height: 1.4;
        }

        .game-row-card .game-row-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12px;
            color: var(--gray-light);
        }

        .game-row-card .game-row-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
        }

        .game-row-card .game-row-meta .meta-dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--gray-light);
        }

        .game-row-card .game-row-meta .hot {
            color: var(--warning-text);
            font-weight: 600;
        }

        .game-row-card .game-row-desc {
            font-size: 13px;
            color: var(--gray);
            line-height: 1.75;
            margin: 0;
            flex: 1;
        }

        .game-row-card .game-row-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            padding-top: 6px;
            border-top: 1px dashed var(--border);
        }

        .game-row-card .game-row-rating {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 600;
            color: var(--ink-soft);
        }

        .game-row-card .game-row-rating i {
            color: #F59E0B;
            font-size: 13px;
        }

        /* ===== Tag Cloud ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            color: var(--ink-soft);
            transition: var(--transition);
            white-space: nowrap;
        }

        .tag-pill i {
            color: var(--primary);
            font-size: 13px;
        }

        .tag-pill:hover {
            background: var(--secondary-bg-light);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-1px);
        }

        /* ===== Process Steps ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .process-step {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: var(--transition);
            position: relative;
        }

        .process-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .process-step .step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            font-family: var(--font-display);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
        }

        .process-step h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            margin: 0 0 6px;
        }

        .process-step p {
            font-size: 13px;
            color: var(--gray);
            margin: 0;
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border-focus);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            list-style: none;
            transition: var(--transition);
            user-select: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary .faq-arrow {
            font-size: 14px;
            color: var(--gray-light);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item[open] summary .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-item summary:hover {
            background: var(--secondary-bg-light);
        }

        .faq-item .faq-answer {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--gray);
            line-height: 1.85;
            background: var(--secondary-bg-light);
            margin: 0 12px 12px;
            border-radius: var(--radius-sm);
        }

        .faq-item .faq-answer p {
            margin: 0;
            padding: 12px 0;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--ink);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
            pointer-events: none;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 26px;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 12px;
            line-height: 1.4;
        }

        .cta-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }

        .cta-section .btn-primary {
            background: #FFFFFF;
            color: var(--primary);
            font-size: 15px;
            padding: 12px 28px;
            box-shadow: 0 6px 20px rgba(255, 255, 255, 0.2);
        }

        .cta-section .btn-primary:hover {
            background: var(--secondary-bg-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0F1E3C;
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 0;
            margin-top: auto;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-logo span {
            color: #6B93E8;
        }

        .site-footer .footer-col p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin: 0 0 12px;
        }

        .site-footer .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #FFFFFF;
            margin: 0 0 14px;
            letter-spacing: 0.5px;
        }

        .site-footer .footer-col ul li {
            margin-bottom: 8px;
        }

        .site-footer .footer-col ul li a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .site-footer .footer-col ul li a:hover {
            color: #FFFFFF;
        }

        .site-footer .footer-col ul li a i {
            font-size: 13px;
            opacity: 0.8;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 8px 20px;
            padding: 18px 0;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.6);
            white-space: nowrap;
        }

        .footer-bottom-links a:hover {
            color: #FFFFFF;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 18px;
            }
            .section {
                padding: 56px 0;
            }
            .game-dual-list {
                gap: 16px;
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-grid {
                gap: 16px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
            }
            body {
                padding-top: var(--header-height);
            }
            .nav-toggle {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: #FFFFFF;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 12px 16px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 12px 28px rgba(15, 30, 60, 0.1);
                display: none;
                z-index: 999;
                max-height: calc(100vh - var(--header-height));
                overflow-y: auto;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 14px 16px;
                font-size: 15px;
                border-radius: var(--radius-sm);
                border-bottom: 1px solid var(--secondary-bg-light);
            }
            .nav-links a:last-child {
                border-bottom: none;
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-actions .nav-badge,
            .nav-actions .nav-countdown {
                display: none;
            }
            .nav-actions .btn {
                display: none;
            }
            .page-banner {
                padding: 36px 0 32px;
            }
            .page-banner h1 {
                font-size: 26px;
            }
            .page-banner .banner-desc {
                font-size: 14px;
            }
            .banner-stats {
                gap: 16px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .game-dual-list {
                grid-template-columns: 1fr;
            }
            .game-row-card .game-row-footer {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 23px;
            }
            .cta-section {
                padding: 36px 24px;
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .site-footer .footer-col:first-child {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .banner-stats {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
            }
            .page-banner h1 {
                font-size: 23px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #2563EB;
            --primary-dark: #1A3F9E;
            --primary-deep: #1E4FBA;
            --secondary-bg: #EAF0FA;
            --secondary-bg-light: #EFF4FC;
            --ink: #0F1E3C;
            --ink-soft: #1A2D50;
            --gray: #5A6B87;
            --gray-light: #8A9BB8;
            --bg: #F7F9FC;
            --card-bg: #FFFFFF;
            --border: #DFE7F2;
            --border-focus: #CBD8EC;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(15, 30, 60, 0.06);
            --shadow-hover: 0 8px 24px rgba(15, 30, 60, 0.10);
            --shadow-focus: 0 0 0 3px rgba(37, 99, 235, 0.35);
            --danger: #D93843;
            --success: #16A34A;
            --warning-bg: #FFF7ED;
            --warning-text: #C2410C;
            --transition: all 0.25s ease;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --font-display: "Barlow", "PingFang SC", "Microsoft YaHei", sans-serif;
            --container-max: 1180px;
            --section-padding: 72px 0;
            --header-height: 68px;
        }

        * { box-sizing: border-box; }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--ink);
            background: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
        }

        body.no-scroll { overflow: hidden; }

        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); text-decoration: none; }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img { max-width: 100%; height: auto; display: block; }
        button { cursor: pointer; font-family: var(--font-sans); }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(15, 30, 60, 0.05);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            font-family: var(--font-display);
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-text span { color: var(--primary); }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
            flex: 1;
            justify-content: center;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 11px;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink-soft);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            background: var(--secondary-bg);
            color: var(--primary);
        }

        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--primary);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--warning-bg);
            color: var(--warning-text);
            font-size: 11px;
            font-weight: 600;
            padding: 4px 8px;
            border-radius: 4px;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .nav-countdown {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #FFFFFF;
            border: 1px solid var(--border);
            font-size: 12px;
            font-weight: 600;
            color: var(--ink-soft);
            padding: 5px 10px;
            border-radius: 6px;
            white-space: nowrap;
            font-variant-numeric: tabular-nums;
        }

        .nav-countdown i { color: var(--primary); font-size: 13px; }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            border-radius: 12px;
            border: none;
            padding: 12px 22px;
            font-size: 14px;
            transition: var(--transition);
            line-height: 1.4;
            text-align: center;
        }

        .btn-primary {
            background: var(--primary);
            color: #FFFFFF;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(37, 99, 235, 0.25);
        }
        .btn-primary:active { transform: translateY(0); box-shadow: none; }

        .btn-outline {
            background: #FFFFFF;
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--secondary-bg);
            color: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.12);
        }
        .btn-outline:active { transform: translateY(0); box-shadow: none; }

        .btn-sm {
            padding: 8px 14px;
            font-size: 13px;
            border-radius: 8px;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
            border-radius: 14px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 5px;
            margin-left: auto;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--ink);
            border-radius: 2px;
            transition: var(--transition);
        }
        .hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
        .hamburger.active span:nth-child(2) { opacity: 0; }
        .hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

        /* ===== Page Header ===== */
        .page-header {
            margin-top: var(--header-height);
            background: var(--secondary-bg-light);
            border-bottom: 1px solid var(--border);
            padding: 28px 0 22px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--gray);
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .breadcrumb a { color: var(--gray); }
        .breadcrumb a:hover { color: var(--primary); }
        .breadcrumb .sep { color: var(--gray-light); }
        .breadcrumb .current { color: var(--primary); font-weight: 500; }

        .page-header-inner {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .page-header-text h1 {
            font-size: 30px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 8px;
            line-height: 1.3;
            letter-spacing: 0.3px;
        }

        .page-header-text p {
            margin: 0;
            font-size: 15px;
            color: var(--gray);
            max-width: 660px;
            line-height: 1.7;
        }

        .page-header-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 12px 16px;
            box-shadow: var(--shadow-sm);
        }

        .page-header-meta .meta-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            min-width: 70px;
        }
        .page-header-meta .meta-value {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            font-family: var(--font-display);
            line-height: 1.2;
        }
        .page-header-meta .meta-label {
            font-size: 12px;
            color: var(--gray);
        }
        .page-header-meta .meta-divider {
            width: 1px;
            height: 36px;
            background: var(--border);
        }

        /* ===== Filter + List Layout ===== */
        .filter-list-section {
            padding: 40px 0 72px;
        }

        .filter-list-grid {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 28px;
            align-items: start;
        }

        .filter-sidebar {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 20px;
            position: sticky;
            top: calc(var(--header-height) + 20px);
        }

        .filter-sidebar h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--secondary-bg);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .filter-sidebar h3 i { color: var(--primary); }

        .filter-group {
            margin-bottom: 20px;
        }
        .filter-group:last-child { margin-bottom: 0; }

        .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--ink-soft);
            margin-bottom: 8px;
            display: block;
        }

        .filter-options {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .filter-option {
            display: inline-flex;
            align-items: center;
            padding: 5px 12px;
            font-size: 12px;
            font-weight: 500;
            color: var(--gray);
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 20px;
            cursor: pointer;
            transition: var(--transition);
            user-select: none;
            white-space: nowrap;
        }
        .filter-option:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--secondary-bg-light);
        }
        .filter-option.active {
            background: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
            font-weight: 600;
        }

        .filter-submit {
            margin-top: 16px;
            width: 100%;
        }

        .filter-reset {
            display: block;
            text-align: center;
            font-size: 12px;
            color: var(--gray-light);
            margin-top: 10px;
            cursor: pointer;
            transition: var(--transition);
            background: none;
            border: none;
            width: 100%;
        }
        .filter-reset:hover { color: var(--primary); }

        /* ===== Event List ===== */
        .event-list-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 18px;
            flex-wrap: wrap;
        }
        .event-list-header h2 {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            margin: 0;
        }
        .event-list-header .result-count {
            font-size: 13px;
            color: var(--gray);
        }
        .event-sort {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--gray);
        }
        .event-sort select {
            font-size: 13px;
            padding: 6px 10px;
            border: 1px solid var(--border);
            border-radius: 6px;
            background: #FFFFFF;
            color: var(--ink-soft);
            cursor: pointer;
            font-family: var(--font-sans);
        }

        .event-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .event-card-item {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            gap: 0;
            align-items: stretch;
        }
        .event-card-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: #C5D5ED;
        }

        .event-card-thumb {
            width: 220px;
            min-height: 150px;
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
            background: #E6EEF8;
        }
        .event-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .event-card-item:hover .event-card-thumb img { transform: scale(1.04); }
        .event-card-thumb .thumb-overlay {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(15, 30, 60, 0.7);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            letter-spacing: 0.3px;
            z-index: 2;
        }

        .event-card-body {
            flex: 1;
            padding: 16px 20px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            gap: 8px;
        }

        .event-card-top {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 12px;
        }

        .event-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
            margin: 0;
            line-height: 1.4;
        }
        .event-card-title a { color: var(--ink); }
        .event-card-title a:hover { color: var(--primary); }

        .event-card-status {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 4px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .event-card-status.recruiting {
            background: #ECFDF5;
            color: #059669;
            border: 1px solid #A7F3D0;
        }
        .event-card-status.ongoing {
            background: #EFF6FF;
            color: var(--primary);
            border: 1px solid #BFDBFE;
        }
        .event-card-status.upcoming {
            background: #FFF7ED;
            color: var(--warning-text);
            border: 1px solid #FED7AA;
        }
        .event-card-status.ended {
            background: #F3F4F6;
            color: var(--gray);
            border: 1px solid #E5E7EB;
        }

        .event-card-desc {
            font-size: 13px;
            color: var(--gray);
            margin: 0;
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .event-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--gray);
        }
        .event-card-meta .meta-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--secondary-bg-light);
            color: var(--primary);
            font-weight: 500;
            padding: 2px 8px;
            border-radius: 4px;
        }
        .event-card-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .event-card-meta i { font-size: 12px; color: var(--gray-light); }

        .event-card-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 4px;
        }

        /* ===== Featured Events ===== */
        .featured-section {
            padding: 0 0 72px;
        }

        .section-heading {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .section-heading h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--ink);
            margin: 0;
            line-height: 1.3;
        }
        .section-heading .heading-sub {
            font-size: 14px;
            color: var(--gray);
        }

        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .featured-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .featured-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: #C5D5ED;
        }
        .featured-card .featured-thumb {
            height: 160px;
            background: #E6EEF8;
            position: relative;
            overflow: hidden;
        }
        .featured-card .featured-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .featured-card:hover .featured-thumb img { transform: scale(1.05); }
        .featured-card .featured-thumb .badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background: #EA580C;
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 4px;
            z-index: 2;
        }
        .featured-card-body {
            padding: 18px 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }
        .featured-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
            margin: 0;
            line-height: 1.4;
        }
        .featured-card-body p {
            font-size: 13px;
            color: var(--gray);
            margin: 0;
            line-height: 1.65;
        }
        .featured-card-body .featured-meta {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--gray);
            margin-top: auto;
        }
        .featured-card-body .featured-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== Process Section ===== */
        .process-section {
            padding: 0 0 72px;
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .process-step {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 24px 20px;
            position: relative;
            transition: var(--transition);
        }
        .process-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .process-step .step-number {
            font-size: 36px;
            font-weight: 800;
            font-family: var(--font-display);
            color: var(--secondary-bg);
            line-height: 1;
            margin-bottom: 10px;
            letter-spacing: -0.5px;
        }
        .process-step h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 6px;
        }
        .process-step p {
            font-size: 13px;
            color: var(--gray);
            margin: 0;
            line-height: 1.65;
        }
        .process-step .step-arrow {
            position: absolute;
            top: 50%;
            right: -14px;
            transform: translateY(-50%);
            color: var(--gray-light);
            font-size: 16px;
            z-index: 2;
        }
        .process-step:last-child .step-arrow { display: none; }

        /* ===== Reward Banners ===== */
        .reward-section {
            padding: 0 0 72px;
        }

        .reward-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .reward-item {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: var(--transition);
        }
        .reward-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: #C5D5ED;
        }
        .reward-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--secondary-bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 20px;
            color: var(--primary);
        }
        .reward-info h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 4px;
        }
        .reward-info p {
            font-size: 12px;
            color: var(--gray);
            margin: 0;
            line-height: 1.5;
        }

        /* ===== FAQ Section ===== */
        .faq-section {
            padding: 0 0 72px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 820px;
        }

        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: #C5D5ED;
        }
        .faq-item summary {
            padding: 16px 20px;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            transition: var(--transition);
        }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: var(--secondary-bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: var(--transition);
            font-size: 12px;
            color: var(--primary);
        }
        .faq-item[open] summary {
            background: var(--secondary-bg-light);
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(180deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-item .faq-answer {
            padding: 0 20px 16px;
            font-size: 14px;
            color: var(--gray);
            line-height: 1.7;
        }
        .faq-item .faq-answer p {
            margin: 0;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 0 0 72px;
        }

        .cta-box {
            background: var(--ink);
            border-radius: var(--radius-lg);
            padding: 44px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(37, 99, 235, 0.2);
            pointer-events: none;
        }
        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -50px;
            left: -30px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(37, 99, 235, 0.15);
            pointer-events: none;
        }
        .cta-box-content {
            flex: 1;
            min-width: 260px;
            position: relative;
            z-index: 2;
        }
        .cta-box-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 8px;
            line-height: 1.3;
        }
        .cta-box-content p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin: 0;
            line-height: 1.65;
            max-width: 480px;
        }
        .cta-box-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            position: relative;
            z-index: 2;
            flex-shrink: 0;
        }
        .btn-white {
            background: #FFFFFF;
            color: var(--ink);
        }
        .btn-white:hover {
            background: var(--secondary-bg-light);
            color: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(255, 255, 255, 0.2);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--ink);
            color: rgba(255, 255, 255, 0.85);
            margin-top: auto;
            padding: 48px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-col .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col .footer-logo span { color: #60A5FA; }
        .footer-col p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            margin: 0;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 14px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul a:hover { color: #60A5FA; }
        .footer-col ul a i { font-size: 12px; width: 16px; text-align: center; }

        .footer-bottom {
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 12px;
        }
        .footer-bottom-links a:hover { color: #60A5FA; }
        .footer-bottom-links span { color: rgba(255, 255, 255, 0.4); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .filter-list-grid {
                grid-template-columns: 240px 1fr;
                gap: 20px;
            }
            .event-card-thumb {
                width: 180px;
                min-height: 130px;
            }
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .process-step .step-arrow { display: none; }
            .reward-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links a {
                padding: 8px 8px;
                font-size: 13px;
            }
            .nav-badge { display: none; }
        }

        @media (max-width: 768px) {
            :root { --header-height: 60px; }
            .hamburger { display: flex; }
            .nav-links {
                display: none;
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: #FFFFFF;
                flex-direction: column;
                padding: 16px 20px;
                gap: 2px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 8px 20px rgba(15, 30, 60, 0.1);
                z-index: 999;
                max-height: calc(100vh - var(--header-height));
                overflow-y: auto;
            }
            .nav-links.open { display: flex; }
            .nav-links a {
                padding: 12px 16px;
                font-size: 15px;
                width: 100%;
                justify-content: flex-start;
                border-radius: 8px;
            }
            .nav-links a.active::after { display: none; }
            .nav-links a.active {
                background: var(--secondary-bg-light);
            }
            .nav-countdown { display: none; }
            .nav-actions .btn { padding: 8px 14px; font-size: 13px; }

            .page-header { padding: 20px 0 16px; }
            .page-header-text h1 { font-size: 24px; }
            .page-header-meta {
                width: 100%;
                justify-content: space-around;
            }
            .filter-list-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .filter-sidebar {
                position: static;
                padding: 16px;
            }
            .event-card-item {
                flex-direction: column;
            }
            .event-card-thumb {
                width: 100%;
                height: 160px;
                min-height: auto;
            }
            .event-card-body {
                padding: 14px 16px;
            }
            .featured-grid {
                grid-template-columns: 1fr;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .reward-grid {
                grid-template-columns: 1fr;
            }
            .cta-box {
                padding: 32px 24px;
                flex-direction: column;
                text-align: center;
            }
            .cta-box-content h2 { font-size: 20px; }
            .cta-box-actions { width: 100%; justify-content: center; }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-col:first-child { grid-column: 1 / -1; }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container { padding: 0 14px; }
            .logo-text { font-size: 18px; }
            .page-header-text h1 { font-size: 21px; }
            .event-card-meta { gap: 8px; }
            .event-card-actions { flex-wrap: wrap; }
            .event-list-header { flex-direction: column; align-items: flex-start; }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-col:first-child { grid-column: auto; }
            .featured-card .featured-thumb { height: 140px; }
            .cta-box-actions { flex-direction: column; width: 100%; }
            .cta-box-actions .btn { width: 100%; }
        }

/* roulang page: category3 */
:root {
            --primary: #2563EB;
            --primary-dark: #1A3F9E;
            --primary-deep: #1E4FBA;
            --secondary-bg: #EAF0FA;
            --secondary-bg-light: #EFF4FC;
            --ink: #0F1E3C;
            --ink-soft: #1A2D50;
            --gray: #5A6B87;
            --gray-light: #8A9BB8;
            --bg: #F7F9FC;
            --card-bg: #FFFFFF;
            --border: #DFE7F2;
            --border-focus: #CBD8EC;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(15, 30, 60, 0.06);
            --shadow-hover: 0 8px 24px rgba(15, 30, 60, 0.10);
            --shadow-focus: 0 0 0 3px rgba(37, 99, 235, 0.35);
            --danger: #D93843;
            --success: #16A34A;
            --warning-bg: #FFF7ED;
            --warning-text: #C2410C;
            --transition: all 0.25s ease;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --font-display: "Barlow", "PingFang SC", "Microsoft YaHei", sans-serif;
            --container-max: 1180px;
            --section-padding: 80px 0;
            --header-height: 68px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--ink);
            background: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            padding-top: var(--header-height);
        }

        body.no-scroll {
            overflow: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: var(--font-sans);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(15, 30, 60, 0.05);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            font-family: var(--font-display);
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink-soft);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            background: var(--secondary-bg);
            color: var(--primary);
        }

        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--primary);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--warning-bg);
            color: var(--warning-text);
            font-size: 11px;
            font-weight: 600;
            padding: 4px 8px;
            border-radius: 4px;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .nav-countdown {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: #fff;
            color: var(--ink-soft);
            border: 1px solid var(--border);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 4px;
            white-space: nowrap;
            font-variant-numeric: tabular-nums;
        }

        .nav-countdown i {
            color: var(--primary);
            font-size: 13px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            white-space: nowrap;
            letter-spacing: 0.3px;
            line-height: 1.4;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-hover);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: var(--shadow-sm);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.35);
            outline-offset: 2px;
        }

        .btn-secondary {
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--primary);
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            white-space: nowrap;
            letter-spacing: 0.3px;
            line-height: 1.4;
        }

        .btn-secondary:hover {
            background: var(--secondary-bg);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        .btn-secondary:active {
            transform: translateY(1px);
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
            flex-direction: column;
            gap: 4px;
            z-index: 1001;
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--ink);
            border-radius: 2px;
            transition: var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-wrap {
            background: var(--secondary-bg-light);
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--gray);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--gray);
            transition: var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--primary);
        }

        .breadcrumb .sep {
            color: var(--gray-light);
            font-size: 11px;
        }

        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== Page Header Banner ===== */
        .page-banner {
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
            padding: 40px 0 44px;
            position: relative;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: var(--secondary-bg);
            z-index: 0;
        }

        .page-banner .container {
            position: relative;
            z-index: 1;
        }

        .page-banner h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.35;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .page-banner h1 span {
            color: var(--primary);
        }

        .page-banner .banner-desc {
            font-size: 15px;
            color: var(--gray);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .banner-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 4px;
            letter-spacing: 0.4px;
        }

        .banner-stats {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            color: var(--gray);
            font-size: 13px;
        }

        .banner-stats i {
            color: var(--primary);
        }

        /* ===== Section Common ===== */
        .section {
            padding: var(--section-padding);
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }

        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.35;
            margin-bottom: 6px;
            letter-spacing: 0.4px;
        }

        .section-title span {
            color: var(--primary);
        }

        .section-subtitle {
            font-size: 14px;
            color: var(--gray);
            line-height: 1.7;
            max-width: 560px;
        }

        .section-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: var(--transition);
        }

        .section-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        /* ===== Filter Bar ===== */
        .filter-bar {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            margin-bottom: 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-sm);
        }

        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-label {
            font-size: 13px;
            color: var(--gray);
            font-weight: 500;
            white-space: nowrap;
        }

        .filter-chip {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            font-size: 13px;
            border-radius: 4px;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--gray);
            cursor: pointer;
            transition: var(--transition);
            font-weight: 500;
            white-space: nowrap;
        }

        .filter-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--secondary-bg-light);
        }

        .filter-chip.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
        }

        .filter-search {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .filter-search input {
            height: 38px;
            padding: 0 14px;
            border: 1px solid var(--border-focus);
            border-radius: 8px;
            font-size: 13px;
            font-family: var(--font-sans);
            color: var(--ink);
            background: #fff;
            width: 200px;
            transition: var(--transition);
        }

        .filter-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
            outline: none;
        }

        .filter-search input::placeholder {
            color: var(--gray-light);
        }

        .search-btn {
            height: 38px;
            width: 38px;
            border: none;
            background: var(--primary);
            color: #fff;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            font-size: 14px;
        }

        .search-btn:hover {
            background: var(--primary-dark);
        }

        /* ===== Masonry Grid ===== */
        .masonry-grid {
            columns: 3;
            column-gap: 20px;
            margin-bottom: 32px;
        }

        .masonry-item {
            break-inside: avoid;
            margin-bottom: 20px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            display: inline-block;
            width: 100%;
        }

        .masonry-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-focus);
        }

        .masonry-item .card-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: #E6EEF8;
        }

        .masonry-item .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .masonry-item:hover .card-cover img {
            transform: scale(1.04);
        }

        .card-cover .cover-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(15, 30, 60, 0.78);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            letter-spacing: 0.4px;
            backdrop-filter: blur(4px);
        }

        .card-cover .cover-badge.hot {
            background: var(--danger);
        }

        .card-cover .cover-badge.new {
            background: var(--success);
        }

        .card-body {
            padding: 18px 20px 20px;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }

        .card-meta .meta-tag {
            display: inline-flex;
            align-items: center;
            gap: 3px;
            background: var(--secondary-bg);
            color: var(--primary);
            font-size: 11px;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 3px;
        }

        .card-meta .meta-date {
            font-size: 12px;
            color: var(--gray-light);
        }

        .card-meta .meta-heat {
            font-size: 12px;
            color: var(--danger);
            display: inline-flex;
            align-items: center;
            gap: 3px;
        }

        .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.5;
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

        .card-title a {
            color: var(--ink);
            transition: var(--transition);
        }

        .card-title a:hover {
            color: var(--primary);
        }

        .card-excerpt {
            font-size: 13.5px;
            color: var(--gray);
            line-height: 1.75;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px dashed var(--border);
            padding-top: 12px;
            gap: 10px;
        }

        .card-author {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--gray);
        }

        .card-author i {
            color: var(--primary);
            font-size: 13px;
        }

        .card-read-more {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            transition: var(--transition);
            white-space: nowrap;
        }

        .card-read-more:hover {
            color: var(--primary-dark);
            gap: 8px;
        }

        /* ===== Pagination ===== */
        .pagination-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 8px;
            flex-wrap: wrap;
        }

        .pagination-wrap .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 12px;
            border: 1px solid var(--border);
            border-radius: 6px;
            background: #fff;
            color: var(--ink-soft);
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            gap: 4px;
        }

        .pagination-wrap .page-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--secondary-bg-light);
        }

        .pagination-wrap .page-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
        }

        .pagination-wrap .page-btn.disabled {
            opacity: 0.45;
            pointer-events: none;
        }

        /* ===== Stats Strip ===== */
        .stats-strip {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            box-shadow: var(--shadow-sm);
        }

        .stat-item {
            text-align: center;
            padding: 8px 0;
        }

        .stat-item .stat-number {
            font-size: 34px;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-display);
            line-height: 1.3;
            letter-spacing: -0.5px;
        }

        .stat-item .stat-label {
            font-size: 13px;
            color: var(--gray);
            font-weight: 500;
            margin-top: 4px;
        }

        .stat-item .stat-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--secondary-bg);
            color: var(--primary);
            font-size: 18px;
            margin-bottom: 8px;
        }

        /* ===== Feature Highlights ===== */
        .feature-highlights {
            background: var(--secondary-bg-light);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .feature-item {
            display: flex;
            flex-direction: column;
            gap: 8px;
            padding: 16px;
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .feature-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--border-focus);
        }

        .feature-item i {
            font-size: 22px;
            color: var(--primary);
        }

        .feature-item .feature-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.4;
        }

        .feature-item .feature-desc {
            font-size: 13px;
            color: var(--gray);
            line-height: 1.65;
        }

        /* ===== Steps Timeline ===== */
        .steps-section {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            box-shadow: var(--shadow-sm);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .step-item {
            position: relative;
            padding: 20px 18px;
            border-radius: var(--radius-md);
            background: var(--bg);
            border: 1px solid var(--border);
            transition: var(--transition);
            counter-increment: step;
        }

        .step-item:hover {
            background: var(--secondary-bg-light);
            border-color: var(--border-focus);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .step-item .step-number {
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            background: var(--secondary-bg);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            margin-bottom: 12px;
        }

        .step-item .step-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .step-item .step-desc {
            font-size: 13px;
            color: var(--gray);
            line-height: 1.65;
        }

        /* ===== Tags Cloud ===== */
        .tags-section {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            box-shadow: var(--shadow-sm);
        }

        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tags-cloud .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 7px 16px;
            font-size: 13px;
            border-radius: 4px;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--ink-soft);
            transition: var(--transition);
            font-weight: 500;
        }

        .tags-cloud .tag-item:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-1px);
        }

        .tags-cloud .tag-item .tag-count {
            font-size: 11px;
            color: var(--gray-light);
            font-weight: 400;
        }

        .tags-cloud .tag-item:hover .tag-count {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--secondary-bg-light);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border-focus);
            box-shadow: var(--shadow-sm);
        }

        .faq-item details {
            width: 100%;
        }

        .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: var(--transition);
            user-select: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 12px;
            color: var(--gray-light);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item details[open] summary::after {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-item summary:hover {
            color: var(--primary);
            background: var(--secondary-bg-light);
        }

        .faq-item .faq-content {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--gray);
            line-height: 1.75;
            border-top: 1px dashed var(--border);
            padding-top: 14px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
            line-height: 1.4;
        }

        .cta-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.75;
        }

        .cta-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-white {
            background: #fff;
            color: var(--primary);
            border: none;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 700;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.4px;
            white-space: nowrap;
        }

        .btn-white:hover {
            background: var(--secondary-bg);
            color: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
        }

        .btn-white:active {
            transform: translateY(1px);
        }

        .btn-outline-white {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.6);
            padding: 10px 24px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.4px;
            white-space: nowrap;
        }

        .btn-outline-white:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--ink);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2.2fr 1fr 1fr 1.3fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.4px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 13.5px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 3px;
        }

        .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .footer-logo span {
            color: #6B9FFF;
        }

        .footer-col p {
            font-size: 13.5px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 12.5px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 12.5px;
            transition: var(--transition);
        }

        .footer-bottom-links a:hover {
            color: #fff;
        }

        /* ===== Mobile Drawer Overlay ===== */
        .nav-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 30, 60, 0.45);
            z-index: 998;
            display: none;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .nav-overlay.show {
            display: block;
            opacity: 1;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .masonry-grid {
                columns: 2;
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
                padding: 22px 20px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 58px;
                --section-padding: 56px 0;
            }
            body {
                padding-top: var(--header-height);
            }
            .container {
                padding: 0 16px;
            }
            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                bottom: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                padding: 20px 24px;
                z-index: 999;
                transform: translateX(-100%);
                transition: transform 0.3s ease;
                justify-content: flex-start;
                overflow-y: auto;
                border-top: 1px solid var(--border);
            }
            .nav-links.open {
                transform: translateX(0);
            }
            .nav-links a {
                width: 100%;
                padding: 14px 16px;
                font-size: 15px;
                border-radius: 8px;
                display: flex;
                align-items: center;
                gap: 8px;
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-links a.active {
                background: var(--secondary-bg);
            }
            .hamburger {
                display: flex;
            }
            .nav-countdown {
                display: none;
            }
            .nav-actions .btn-primary {
                padding: 8px 16px;
                font-size: 13px;
            }
            .page-banner {
                padding: 28px 0 32px;
            }
            .page-banner h1 {
                font-size: 24px;
            }
            .section-title {
                font-size: 22px;
            }
            .masonry-grid {
                columns: 1;
                column-gap: 0;
            }
            .masonry-item {
                margin-bottom: 16px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
                padding: 18px 14px;
            }
            .stat-item .stat-number {
                font-size: 26px;
            }
            .filter-bar {
                padding: 12px 14px;
                flex-direction: column;
                align-items: flex-start;
            }
            .filter-search {
                width: 100%;
            }
            .filter-search input {
                flex: 1;
                width: auto;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 12px;
            }
            .page-banner h1 {
                font-size: 21px;
            }
            .section-title {
                font-size: 20px;
            }
            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .stats-strip {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
                padding: 14px 10px;
            }
            .stat-item .stat-number {
                font-size: 22px;
            }
            .stat-item .stat-icon {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
            .cta-actions {
                flex-direction: column;
                gap: 10px;
            }
            .btn-white,
            .btn-outline-white {
                width: 100%;
                justify-content: center;
            }
            .pagination-wrap .page-btn {
                min-width: 34px;
                height: 34px;
                padding: 0 8px;
                font-size: 12px;
            }
            .faq-item summary {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-item .faq-content {
                padding: 0 16px 14px;
                font-size: 13px;
            }
        }

/* roulang page: category6 */
/* ===== 全站设计系统（与首页对齐） ===== */
    :root {
        --primary: #2563EB;
        --primary-dark: #1A3F9E;
        --primary-deep: #1E4FBA;
        --secondary-bg: #EAF0FA;
        --secondary-bg-light: #EFF4FC;
        --ink: #0F1E3C;
        --ink-soft: #1A2D50;
        --gray: #5A6B87;
        --gray-light: #8A9BB8;
        --bg: #F7F9FC;
        --card-bg: #FFFFFF;
        --border: #DFE7F2;
        --border-focus: #CBD8EC;
        --radius-sm: 6px;
        --radius-md: 12px;
        --radius-lg: 16px;
        --shadow-sm: 0 2px 8px rgba(15, 30, 60, 0.06);
        --shadow-hover: 0 8px 24px rgba(15, 30, 60, 0.10);
        --shadow-focus: 0 0 0 3px rgba(37, 99, 235, 0.35);
        --danger: #D93843;
        --success: #16A34A;
        --warning-bg: #FFF7ED;
        --warning-text: #C2410C;
        --transition: all 0.25s ease;
        --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
        --font-display: "Barlow", "PingFang SC", "Microsoft YaHei", sans-serif;
        --container-max: 1180px;
        --section-padding: 80px 0;
        --header-height: 68px;
        --header-height-mobile: 56px;
    }

    html {
        font-size: 16px;
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    body {
        font-family: var(--font-sans);
        font-size: 15px;
        line-height: 1.75;
        color: var(--ink);
        background: var(--bg);
        min-height: 100vh;
        display: flex;
        flex-direction: column;
        padding-top: var(--header-height);
    }

    body.no-scroll {
        overflow: hidden;
    }

    a {
        color: var(--primary);
        text-decoration: none;
        transition: var(--transition);
    }

    a:hover {
        color: var(--primary-dark);
        text-decoration: none;
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
        outline: 3px solid rgba(37, 99, 235, 0.35);
        outline-offset: 2px;
        border-radius: 4px;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
    }

    button {
        cursor: pointer;
        font-family: var(--font-sans);
    }

    .container {
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 0 20px;
    }

    /* ===== Header / Nav（沿用首页结构） ===== */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        background: #FFFFFF;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 2px 12px rgba(15, 30, 60, 0.05);
        height: var(--header-height);
        display: flex;
        align-items: center;
    }

    .site-header .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        width: 100%;
    }

    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }

    .logo-icon {
        width: 38px;
        height: 38px;
        border-radius: 10px;
        background: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 18px;
        font-weight: 700;
        font-family: var(--font-display);
        letter-spacing: 0.5px;
        flex-shrink: 0;
    }

    .logo-text {
        font-size: 20px;
        font-weight: 700;
        color: var(--ink);
        letter-spacing: 0.5px;
        white-space: nowrap;
    }

    .logo-text span {
        color: var(--primary);
    }

    .nav-links {
        display: flex;
        align-items: center;
        gap: 4px;
        flex: 1;
        justify-content: center;
        flex-wrap: nowrap;
    }

    .nav-links a {
        display: inline-flex;
        align-items: center;
        padding: 8px 12px;
        font-size: 14px;
        font-weight: 500;
        color: var(--ink-soft);
        border-radius: var(--radius-sm);
        transition: var(--transition);
        white-space: nowrap;
        position: relative;
    }

    .nav-links a:hover {
        background: var(--secondary-bg);
        color: var(--primary);
    }

    .nav-links a.active {
        color: var(--primary);
        font-weight: 600;
    }

    .nav-links a.active::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 20px;
        height: 3px;
        border-radius: 2px;
        background: var(--primary);
    }

    .nav-actions {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }

    .nav-badge {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        background: var(--warning-bg);
        color: var(--warning-text);
        font-size: 11px;
        font-weight: 600;
        padding: 4px 8px;
        border-radius: 4px;
        white-space: nowrap;
        letter-spacing: 0.3px;
    }

    .nav-countdown {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 12px;
        font-weight: 600;
        color: var(--ink-soft);
        background: #FFFFFF;
        border: 1px solid var(--border);
        border-radius: 4px;
        padding: 5px 10px;
        white-space: nowrap;
        font-variant-numeric: tabular-nums;
        letter-spacing: 0.5px;
    }

    .nav-countdown .cd-icon {
        color: var(--danger);
    }

    .btn-primary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        background: var(--primary);
        color: #FFFFFF !important;
        font-weight: 600;
        font-size: 14px;
        padding: 10px 20px;
        border-radius: var(--radius-md);
        border: none;
        transition: var(--transition);
        white-space: nowrap;
        box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
    }

    .btn-primary:hover {
        background: var(--primary-dark);
        color: #FFFFFF;
        box-shadow: 0 6px 18px rgba(37, 99, 235, 0.35);
        transform: translateY(-1px);
    }

    .btn-primary:active {
        transform: translateY(1px);
        box-shadow: 0 1px 4px rgba(37, 99, 235, 0.20);
    }

    .btn-secondary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        background: #FFFFFF;
        color: var(--primary) !important;
        font-weight: 600;
        font-size: 14px;
        padding: 10px 20px;
        border-radius: var(--radius-md);
        border: 1px solid var(--border);
        transition: var(--transition);
        white-space: nowrap;
    }

    .btn-secondary:hover {
        background: var(--secondary-bg-light);
        color: var(--primary-dark);
        border-color: var(--primary);
    }

    .btn-secondary:active {
        transform: translateY(1px);
    }

    .hamburger {
        display: none;
        flex-direction: column;
        gap: 5px;
        background: none;
        border: none;
        padding: 6px;
        border-radius: 4px;
        transition: var(--transition);
    }

    .hamburger:hover {
        background: var(--secondary-bg);
    }

    .hamburger span {
        display: block;
        width: 22px;
        height: 2px;
        background: var(--ink);
        border-radius: 2px;
        transition: var(--transition);
    }

    .hamburger.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    /* ===== 页面标题横幅 ===== */
    .page-hero {
        background: linear-gradient(135deg, #EAF0FA 0%, #F7F9FC 55%, #FFFFFF 100%);
        padding: 48px 0 36px;
        border-bottom: 1px solid var(--border);
        position: relative;
        overflow: hidden;
    }

    .page-hero::before {
        content: '';
        position: absolute;
        top: -80px;
        right: -80px;
        width: 320px;
        height: 320px;
        border-radius: 50%;
        background: rgba(37, 99, 235, 0.06);
        pointer-events: none;
    }

    .page-hero::after {
        content: '';
        position: absolute;
        bottom: -100px;
        left: -40px;
        width: 240px;
        height: 240px;
        border-radius: 50%;
        background: rgba(37, 99, 235, 0.05);
        pointer-events: none;
    }

    .page-hero .container {
        position: relative;
        z-index: 1;
    }

    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: var(--gray);
        margin-bottom: 16px;
        flex-wrap: wrap;
    }

    .breadcrumb a {
        color: var(--gray);
        transition: var(--transition);
    }

    .breadcrumb a:hover {
        color: var(--primary);
    }

    .breadcrumb .separator {
        color: var(--gray-light);
        font-size: 11px;
    }

    .breadcrumb .current {
        color: var(--primary);
        font-weight: 600;
    }

    .page-hero h1 {
        font-size: 36px;
        font-weight: 700;
        color: var(--ink);
        margin-bottom: 12px;
        line-height: 1.35;
        letter-spacing: 0.5px;
    }

    .page-hero .hero-subtitle {
        font-size: 16px;
        color: var(--gray);
        max-width: 680px;
        line-height: 1.8;
        margin-bottom: 20px;
    }

    .hero-stats {
        display: flex;
        gap: 28px;
        flex-wrap: wrap;
    }

    .hero-stat-item {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: var(--gray);
    }

    .hero-stat-item .stat-icon {
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: var(--primary);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 12px;
    }

    .hero-stat-item strong {
        color: var(--primary);
        font-weight: 700;
        font-size: 15px;
    }

    /* ===== 大图卡片双列板块 ===== */
    .section {
        padding: 56px 0;
    }

    .section-header {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        margin-bottom: 28px;
        gap: 20px;
        flex-wrap: wrap;
    }

    .section-header h2 {
        font-size: 26px;
        font-weight: 700;
        color: var(--ink);
        margin-bottom: 6px;
        line-height: 1.35;
    }

    .section-header .section-desc {
        font-size: 14px;
        color: var(--gray);
        line-height: 1.7;
        max-width: 520px;
    }

    .section-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: var(--secondary-bg);
        color: var(--primary);
        font-size: 12px;
        font-weight: 600;
        padding: 6px 14px;
        border-radius: 20px;
        margin-bottom: 10px;
    }

    /* 大图双列卡片 */
    .gift-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

    .gift-card-large {
        background: var(--card-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
        display: flex;
        flex-direction: column;
    }

    .gift-card-large:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-2px);
        border-color: rgba(37, 99, 235, 0.25);
    }

    .gift-card-large .gift-cover {
        position: relative;
        width: 100%;
        height: 220px;
        overflow: hidden;
        background: #E6EEF8;
        border-bottom: 1px solid var(--border);
    }

    .gift-card-large .gift-cover img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }

    .gift-card-large:hover .gift-cover img {
        transform: scale(1.04);
    }

    .gift-card-large .gift-type-ribbon {
        position: absolute;
        top: 14px;
        left: 14px;
        background: var(--primary);
        color: #fff;
        font-size: 12px;
        font-weight: 600;
        padding: 4px 10px;
        border-radius: 4px;
        letter-spacing: 0.5px;
    }

    .gift-card-large .gift-type-ribbon.hot {
        background: #F59E0B;
    }

    .gift-card-large .gift-type-ribbon.limited {
        background: var(--danger);
    }

    .gift-card-large .gift-body {
        padding: 20px 24px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }

    .gift-card-large .gift-title {
        font-size: 18px;
        font-weight: 700;
        color: var(--ink);
        margin-bottom: 8px;
        line-height: 1.4;
    }

    .gift-card-large .gift-meta {
        display: flex;
        align-items: center;
        gap: 16px;
        flex-wrap: wrap;
        margin-bottom: 12px;
        font-size: 12px;
        color: var(--gray);
    }

    .gift-card-large .gift-meta span {
        display: inline-flex;
        align-items: center;
        gap: 5px;
    }

    .gift-card-large .gift-meta i {
        color: var(--primary);
        font-size: 12px;
    }

    .gift-card-large .gift-desc {
        font-size: 14px;
        color: var(--gray);
        line-height: 1.8;
        margin-bottom: 16px;
        flex: 1;
    }

    .gift-card-large .gift-items {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-bottom: 16px;
    }

    .gift-item-chip {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        background: var(--secondary-bg-light);
        color: var(--ink-soft);
        font-size: 12px;
        font-weight: 500;
        padding: 5px 10px;
        border-radius: 4px;
        border: 1px solid var(--border);
    }

    .gift-item-chip i {
        color: var(--primary);
        font-size: 11px;
    }

    .gift-card-large .gift-footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        border-top: 1px solid var(--border);
        padding-top: 16px;
    }

    .gift-value {
        font-size: 22px;
        font-weight: 700;
        color: var(--primary);
        font-family: var(--font-display);
    }

    .gift-value span {
        font-size: 13px;
        font-weight: 500;
        color: var(--gray);
        margin-left: 4px;
    }

    .gift-btn {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: var(--primary);
        color: #fff;
        font-size: 13px;
        font-weight: 600;
        padding: 8px 16px;
        border-radius: var(--radius-sm);
        border: none;
        transition: var(--transition);
        white-space: nowrap;
    }

    .gift-btn:hover {
        background: var(--primary-dark);
        color: #fff;
        transform: translateY(-1px);
        box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
    }

    /* ===== 新人礼包流程 ===== */
    .steps-section {
        background: var(--secondary-bg-light);
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
    }

    .steps-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }

    .step-card {
        background: var(--card-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        padding: 24px 20px;
        text-align: center;
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
    }

    .step-card:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-2px);
    }

    .step-number {
        width: 44px;
        height: 44px;
        border-radius: 50%;
        background: var(--primary);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        font-weight: 700;
        font-family: var(--font-display);
        margin: 0 auto 14px;
    }

    .step-card h3 {
        font-size: 16px;
        font-weight: 700;
        color: var(--ink);
        margin-bottom: 8px;
    }

    .step-card p {
        font-size: 13px;
        color: var(--gray);
        line-height: 1.7;
        margin: 0;
    }

    /* ===== 热门礼包标签云 ===== */
    .tags-section {
        background: #FFFFFF;
        border-bottom: 1px solid var(--border);
        padding: 32px 0;
    }

    .tags-cloud {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        align-items: center;
    }

    .tags-cloud .tag-label {
        font-size: 14px;
        font-weight: 600;
        color: var(--ink);
        margin-right: 6px;
    }

    .tags-cloud .tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: var(--secondary-bg-light);
        color: var(--ink-soft);
        font-size: 13px;
        padding: 6px 14px;
        border-radius: 20px;
        border: 1px solid var(--border);
        transition: var(--transition);
    }

    .tags-cloud .tag:hover {
        background: var(--primary);
        color: #fff;
        border-color: var(--primary);
    }

    .tags-cloud .tag i {
        font-size: 11px;
        opacity: 0.7;
    }

    /* ===== FAQ 手风琴 ===== */
    .faq-section {
        padding: 56px 0;
    }

    .faq-list {
        max-width: 780px;
        margin: 0 auto;
    }

    .faq-item {
        background: var(--card-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        margin-bottom: 12px;
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
        overflow: hidden;
    }

    .faq-item:hover {
        box-shadow: var(--shadow-hover);
    }

    .faq-question {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 16px 20px;
        background: none;
        border: none;
        font-size: 15px;
        font-weight: 600;
        color: var(--ink);
        text-align: left;
        transition: var(--transition);
    }

    .faq-question:hover {
        background: var(--secondary-bg-light);
    }

    .faq-question .faq-icon {
        flex-shrink: 0;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: var(--secondary-bg);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 12px;
        transition: transform 0.3s ease;
    }

    .faq-item.open .faq-icon {
        transform: rotate(180deg);
        background: var(--primary);
        color: #fff;
    }

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease, padding 0.3s ease;
        padding: 0 20px;
    }

    .faq-item.open .faq-answer {
        max-height: 400px;
        padding: 0 20px 18px;
    }

    .faq-answer p {
        font-size: 14px;
        color: var(--gray);
        line-height: 1.8;
        margin: 0;
        padding-top: 12px;
        border-top: 1px dashed var(--border);
    }

    /* ===== 底部 CTA 区域 ===== */
    .cta-section {
        background: linear-gradient(135deg, #0F1E3C 0%, #1A2D50 50%, #1E4FBA 100%);
        padding: 64px 0;
        position: relative;
        overflow: hidden;
    }

    .cta-section::before {
        content: '';
        position: absolute;
        top: -60px;
        right: -60px;
        width: 280px;
        height: 280px;
        border-radius: 50%;
        background: rgba(37, 99, 235, 0.2);
        pointer-events: none;
    }

    .cta-section::after {
        content: '';
        position: absolute;
        bottom: -80px;
        left: -40px;
        width: 240px;
        height: 240px;
        border-radius: 50%;
        background: rgba(37, 99, 235, 0.15);
        pointer-events: none;
    }

    .cta-section .container {
        position: relative;
        z-index: 1;
        text-align: center;
    }

    .cta-section h2 {
        font-size: 30px;
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: 14px;
        line-height: 1.4;
    }

    .cta-section p {
        font-size: 16px;
        color: rgba(255, 255, 255, 0.75);
        max-width: 560px;
        margin: 0 auto 28px;
        line-height: 1.8;
    }

    .cta-actions {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .btn-cta-primary {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        background: #FFFFFF;
        color: var(--primary) !important;
        font-weight: 700;
        font-size: 16px;
        padding: 14px 32px;
        border-radius: var(--radius-md);
        border: none;
        transition: var(--transition);
        white-space: nowrap;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    }

    .btn-cta-primary:hover {
        background: var(--secondary-bg);
        color: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    }

    .btn-cta-secondary {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        background: rgba(255, 255, 255, 0.12);
        color: #FFFFFF !important;
        font-weight: 600;
        font-size: 16px;
        padding: 14px 28px;
        border-radius: var(--radius-md);
        border: 1px solid rgba(255, 255, 255, 0.3);
        transition: var(--transition);
        white-space: nowrap;
    }

    .btn-cta-secondary:hover {
        background: rgba(255, 255, 255, 0.22);
        color: #FFFFFF;
        border-color: rgba(255, 255, 255, 0.5);
        transform: translateY(-2px);
    }

    /* ===== Footer（沿用首页结构） ===== */
    .site-footer {
        background: var(--ink);
        color: rgba(255, 255, 255, 0.75);
        padding: 48px 0 20px;
        margin-top: auto;
    }

    .site-footer .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1.2fr;
        gap: 32px;
        margin-bottom: 36px;
    }

    .site-footer .footer-col h4 {
        color: #FFFFFF;
        font-size: 15px;
        font-weight: 600;
        margin-bottom: 16px;
        letter-spacing: 0.5px;
    }

    .site-footer .footer-logo {
        font-size: 22px;
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: 12px;
    }

    .site-footer .footer-logo span {
        color: #5B8DEF;
    }

    .site-footer .footer-col p {
        font-size: 13px;
        line-height: 1.8;
        color: rgba(255, 255, 255, 0.65);
        margin: 0;
    }

    .site-footer .footer-col ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .site-footer .footer-col ul li {
        margin-bottom: 8px;
    }

    .site-footer .footer-col ul li a {
        color: rgba(255, 255, 255, 0.65);
        font-size: 13px;
        transition: var(--transition);
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .site-footer .footer-col ul li a:hover {
        color: #FFFFFF;
    }

    .site-footer .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.12);
        padding-top: 16px;
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        align-items: center;
        justify-content: space-between;
        font-size: 12px;
        color: rgba(255, 255, 255, 0.5);
    }

    .site-footer .footer-bottom-links {
        display: flex;
        gap: 8px;
        align-items: center;
    }

    .site-footer .footer-bottom-links a {
        color: rgba(255, 255, 255, 0.5);
        font-size: 12px;
        transition: var(--transition);
    }

    .site-footer .footer-bottom-links a:hover {
        color: #FFFFFF;
    }

    /* ===== 移动端导航抽屉 ===== */
    .mobile-nav-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(15, 30, 60, 0.5);
        z-index: 998;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .mobile-nav-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    .mobile-nav {
        position: fixed;
        top: var(--header-height-mobile);
        left: 0;
        right: 0;
        bottom: 0;
        background: #FFFFFF;
        z-index: 999;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        display: flex;
        flex-direction: column;
        padding: 16px;
        overflow-y: auto;
    }

    .mobile-nav.active {
        transform: translateX(0);
    }

    .mobile-nav .nav-links-mobile {
        display: flex;
        flex-direction: column;
        gap: 4px;
        flex: 1;
    }

    .mobile-nav .nav-links-mobile a {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 14px 16px;
        font-size: 15px;
        font-weight: 500;
        color: var(--ink);
        border-radius: var(--radius-sm);
        transition: var(--transition);
        border-bottom: 1px solid var(--border);
    }

    .mobile-nav .nav-links-mobile a:hover {
        background: var(--secondary-bg-light);
        color: var(--primary);
    }

    .mobile-nav .nav-links-mobile a.active {
        color: var(--primary);
        font-weight: 600;
        background: var(--secondary-bg-light);
    }

    .mobile-nav .mobile-cta {
        margin-top: auto;
        padding: 16px 0 8px;
        border-top: 1px solid var(--border);
    }

    .mobile-nav .mobile-cta .btn-primary {
        width: 100%;
        padding: 14px 20px;
        font-size: 15px;
    }

    /* ===== 响应式断点 ===== */
    @media (max-width: 1024px) {
        .gift-grid {
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .steps-grid {
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }

        .site-footer .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
    }

    @media (max-width: 768px) {
        :root {
            --header-height: var(--header-height-mobile);
        }

        .hamburger {
            display: flex;
        }

        .nav-links {
            display: none;
        }

        .nav-badge,
        .nav-countdown {
            display: none;
        }

        .nav-actions .btn-primary {
            display: none;
        }

        .nav-actions .hamburger {
            display: flex;
        }

        .page-hero {
            padding: 32px 0 24px;
        }

        .page-hero h1 {
            font-size: 26px;
        }

        .gift-grid {
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .steps-grid {
            grid-template-columns: 1fr;
            gap: 12px;
        }

        .section {
            padding: 36px 0;
        }

        .section-header h2 {
            font-size: 22px;
        }

        .cta-section h2 {
            font-size: 24px;
        }

        .site-footer .footer-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .site-footer .footer-bottom {
            flex-direction: column;
            gap: 8px;
            text-align: center;
        }

        .site-footer .footer-bottom-links {
            justify-content: center;
        }

        .hero-stats {
            gap: 16px;
        }

        .gift-card-large .gift-cover {
            height: 180px;
        }

        .gift-card-large .gift-body {
            padding: 16px 18px;
        }

        .gift-card-large .gift-footer {
            flex-direction: column;
            gap: 8px;
            align-items: stretch;
            text-align: center;
        }

        .gift-btn {
            justify-content: center;
        }
    }

    @media (max-width: 520px) {
        .container {
            padding: 0 12px;
        }

        .page-hero h1 {
            font-size: 22px;
        }

        .page-hero .hero-subtitle {
            font-size: 14px;
        }

        .hero-stats {
            flex-direction: column;
            gap: 10px;
        }

        .cta-actions {
            flex-direction: column;
            gap: 10px;
        }

        .btn-cta-primary,
        .btn-cta-secondary {
            width: 100%;
            justify-content: center;
        }

        .gift-card-large .gift-cover {
            height: 160px;
        }
    }

/* roulang page: category5 */
:root {
            --primary: #2563EB;
            --primary-dark: #1A3F9E;
            --primary-deep: #1E4FBA;
            --secondary-bg: #EAF0FA;
            --secondary-bg-light: #EFF4FC;
            --ink: #0F1E3C;
            --ink-soft: #1A2D50;
            --gray: #5A6B87;
            --gray-light: #8A9BB8;
            --bg: #F7F9FC;
            --card-bg: #FFFFFF;
            --border: #DFE7F2;
            --border-focus: #CBD8EC;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(15, 30, 60, 0.06);
            --shadow-hover: 0 8px 24px rgba(15, 30, 60, 0.10);
            --shadow-focus: 0 0 0 3px rgba(37, 99, 235, 0.35);
            --danger: #D93843;
            --success: #16A34A;
            --warning-bg: #FFF7ED;
            --warning-text: #C2410C;
            --transition: all 0.25s ease;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --font-display: "Barlow", "PingFang SC", "Microsoft YaHei", sans-serif;
            --container-max: 1180px;
            --section-padding: 72px 0;
            --header-height: 66px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--ink);
            background: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            padding-top: var(--header-height);
        }

        body.no-scroll {
            overflow: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: var(--font-sans);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(15, 30, 60, 0.05);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            font-family: var(--font-display);
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
            flex: 1;
            justify-content: center;
            flex-wrap: nowrap;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 10px;
            font-size: 13px;
            font-weight: 500;
            color: var(--ink-soft);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            background: var(--secondary-bg);
            color: var(--primary);
        }
        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--primary);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .nav-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--warning-bg);
            color: var(--warning-text);
            font-size: 11px;
            font-weight: 600;
            padding: 4px 8px;
            border-radius: 4px;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .nav-countdown {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 11px;
            font-weight: 500;
            color: var(--gray);
            background: var(--bg);
            border: 1px solid var(--border);
            padding: 4px 8px;
            border-radius: 4px;
            white-space: nowrap;
            font-family: var(--font-display);
            letter-spacing: 0.4px;
        }
        .nav-countdown span {
            color: var(--primary);
            font-weight: 700;
            font-variant-numeric: tabular-nums;
        }
        .btn-primary-sm {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: var(--primary);
            color: #fff;
            border: none;
            font-size: 13px;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 8px;
            white-space: nowrap;
            transition: var(--transition);
        }
        .btn-primary-sm:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-hover);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 8px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            color: var(--ink);
            font-size: 18px;
            flex-shrink: 0;
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: var(--secondary-bg);
            color: var(--primary);
        }

        @media (max-width: 1024px) {
            .nav-links a {
                font-size: 12px;
                padding: 7px 7px;
            }
            .nav-badge,
            .nav-countdown {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: inline-flex;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 12px 30px rgba(15, 30, 60, 0.10);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 16px 20px;
                gap: 4px;
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 14px;
                font-size: 15px;
                border-radius: 8px;
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-links a.active {
                background: var(--secondary-bg);
            }
            .nav-actions .btn-primary-sm {
                display: none;
            }
            .site-header .container {
                gap: 10px;
            }
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 10px 0;
            font-size: 13px;
            color: var(--gray);
        }
        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .breadcrumb-bar a {
            color: var(--gray);
        }
        .breadcrumb-bar a:hover {
            color: var(--primary);
        }
        .breadcrumb-sep {
            color: var(--gray-light);
            font-size: 11px;
        }
        .breadcrumb-current {
            color: var(--primary);
            font-weight: 500;
        }

        /* ===== Hero Banner ===== */
        .hero-banner {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 340px;
            display: flex;
            align-items: center;
            padding: 40px 0 48px;
            border-bottom: 1px solid var(--border);
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 30, 60, 0.88) 0%, rgba(15, 30, 60, 0.65) 45%, rgba(37, 99, 235, 0.55) 100%);
            z-index: 1;
        }
        .hero-banner .container {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 14px;
        }
        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(255, 255, 255, 0.16);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            letter-spacing: 0.6px;
            border: 1px solid rgba(255, 255, 255, 0.25);
        }
        .hero-banner h1 {
            font-size: 34px;
            font-weight: 700;
            color: #fff;
            line-height: 1.35;
            margin: 0;
            max-width: 620px;
            letter-spacing: 0.3px;
        }
        .hero-sub {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.82);
            max-width: 600px;
            line-height: 1.8;
        }
        .hero-cta-row {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 6px;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary-deep);
            font-size: 15px;
            font-weight: 700;
            padding: 12px 24px;
            border-radius: 10px;
            border: none;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
        }
        .btn-hero-primary:hover {
            background: var(--secondary-bg-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
        }
        .btn-hero-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 22px;
            border-radius: 10px;
            border: 1.5px solid rgba(255, 255, 255, 0.55);
            transition: var(--transition);
        }
        .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: #fff;
        }
        .hero-ticker {
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: 8px;
            padding: 7px 14px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.9);
            font-family: var(--font-display);
            letter-spacing: 0.5px;
        }
        .hero-ticker i {
            color: #FFD966;
        }
        @media (max-width: 640px) {
            .hero-banner {
                min-height: 300px;
                padding: 32px 0 40px;
            }
            .hero-banner h1 {
                font-size: 26px;
            }
            .hero-sub {
                font-size: 14px;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                font-size: 14px;
                padding: 10px 18px;
            }
        }

        /* ===== Community Subnav ===== */
        .community-subnav {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 0;
            position: sticky;
            top: var(--header-height);
            z-index: 100;
            box-shadow: 0 2px 8px rgba(15, 30, 60, 0.04);
        }
        .community-subnav .container {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            padding-top: 6px;
            padding-bottom: 6px;
            scrollbar-width: thin;
        }
        .community-subnav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            font-size: 13px;
            font-weight: 500;
            color: var(--gray);
            border-radius: 8px;
            white-space: nowrap;
            transition: var(--transition);
        }
        .community-subnav a:hover {
            color: var(--primary);
            background: var(--secondary-bg-light);
        }
        .community-subnav a.active-sub {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
        }

        /* ===== Main Layout ===== */
        .main-content {
            padding: 40px 0;
            flex: 1;
        }
        .community-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 28px;
            align-items: start;
        }
        @media (max-width: 1024px) {
            .community-layout {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Left Column: Compact List ===== */
        .post-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .post-list-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 22px;
            border-bottom: 1px solid var(--border);
            background: #fff;
            flex-wrap: wrap;
            gap: 10px;
        }
        .post-list-header h2 {
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
            margin: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .post-list-header h2 i {
            color: var(--primary);
        }
        .post-filter {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--gray);
        }
        .post-filter select {
            font-size: 12px;
            padding: 5px 10px;
            border: 1px solid var(--border-focus);
            border-radius: 6px;
            background: #fff;
            color: var(--ink);
            font-family: var(--font-sans);
        }
        .post-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 22px;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
            text-decoration: none;
            color: var(--ink);
            position: relative;
        }
        .post-item:last-child {
            border-bottom: none;
        }
        .post-item:hover {
            background: var(--secondary-bg-light);
            color: var(--ink);
        }
        .post-avatar-wrap {
            flex-shrink: 0;
            width: 44px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
        }
        .post-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--secondary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            color: var(--primary);
            border: 2px solid #fff;
            box-shadow: 0 1px 4px rgba(15, 30, 60, 0.10);
            overflow: hidden;
        }
        .post-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .post-rank-badge {
            font-size: 10px;
            font-weight: 700;
            color: var(--primary-deep);
            background: var(--secondary-bg);
            padding: 1px 6px;
            border-radius: 999px;
            letter-spacing: 0.3px;
        }
        .post-body {
            flex: 1;
            min-width: 0;
        }
        .post-title-row {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 4px;
        }
        .post-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            line-height: 1.5;
            margin: 0;
            transition: var(--transition);
        }
        .post-item:hover .post-title {
            color: var(--primary);
        }
        .post-tag {
            font-size: 10px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 999px;
            background: var(--secondary-bg);
            color: var(--primary-deep);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .post-tag.hot {
            background: var(--warning-bg);
            color: var(--warning-text);
        }
        .post-tag.new {
            background: #F0FDF4;
            color: var(--success);
        }
        .post-summary {
            font-size: 13px;
            color: var(--gray);
            line-height: 1.65;
            margin: 0 0 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 11px;
            color: var(--gray-light);
            flex-wrap: wrap;
        }
        .post-meta i {
            margin-right: 3px;
        }
        .post-meta .author {
            color: var(--gray);
            font-weight: 500;
        }
        .post-stats {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-size: 12px;
            color: var(--gray);
        }
        .post-stats span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
        }
        .post-stats i {
            font-size: 12px;
            color: var(--gray-light);
        }
        @media (max-width: 640px) {
            .post-item {
                padding: 13px 14px;
                gap: 10px;
            }
            .post-avatar-wrap {
                width: 36px;
            }
            .post-avatar {
                width: 36px;
                height: 36px;
                font-size: 14px;
            }
            .post-title {
                font-size: 14px;
            }
            .post-stats {
                display: none;
            }
        }

        /* ===== Right Column: Sidebar Cards ===== */
        .sidebar-stack {
            display: flex;
            flex-direction: column;
            gap: 20px;
            position: sticky;
            top: calc(var(--header-height) + 50px);
        }
        @media (max-width: 1024px) {
            .sidebar-stack {
                position: static;
                display: grid;
                grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
                gap: 16px;
            }
        }
        @media (max-width: 640px) {
            .sidebar-stack {
                grid-template-columns: 1fr;
            }
        }
        .side-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .side-card:hover {
            box-shadow: var(--shadow-hover);
        }
        .side-card h3 {
            font-size: 14px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 12px;
            display: flex;
            align-items: center;
            gap: 7px;
            letter-spacing: 0.3px;
        }
        .side-card h3 i {
            color: var(--primary);
            font-size: 14px;
        }
        .side-card h3 .more-link {
            margin-left: auto;
            font-size: 11px;
            font-weight: 500;
            color: var(--gray-light);
        }
        .side-card h3 .more-link:hover {
            color: var(--primary);
        }
        .hot-topic-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .hot-topic-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--gray);
            padding: 6px 8px;
            border-radius: 6px;
            transition: var(--transition);
            cursor: pointer;
        }
        .hot-topic-list li:hover {
            background: var(--secondary-bg-light);
            color: var(--primary);
        }
        .hot-topic-rank {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 13px;
            color: var(--primary);
            width: 22px;
            text-align: center;
            flex-shrink: 0;
        }
        .hot-topic-list li:nth-child(1) .hot-topic-rank { color: #FF6B6B; }
        .hot-topic-list li:nth-child(2) .hot-topic-rank { color: #FF9F43; }
        .hot-topic-list li:nth-child(3) .hot-topic-rank { color: #FECA57; }
        .hot-topic-text {
            flex: 1;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .hot-topic-count {
            font-size: 10px;
            color: var(--gray-light);
            flex-shrink: 0;
        }
        .active-player-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .active-player-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--gray);
            padding: 5px 4px;
            border-bottom: 1px dashed var(--border);
        }
        .active-player-list li:last-child {
            border-bottom: none;
        }
        .active-player-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--secondary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .active-player-name {
            font-weight: 500;
            color: var(--ink-soft);
            flex: 1;
        }
        .active-player-badge {
            font-size: 10px;
            font-weight: 600;
            color: var(--success);
            white-space: nowrap;
        }
        .comm-stats-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
        }
        .comm-stat-item {
            background: var(--secondary-bg-light);
            border-radius: 8px;
            padding: 12px 10px;
            text-align: center;
        }
        .comm-stat-num {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            font-family: var(--font-display);
            line-height: 1.3;
        }
        .comm-stat-label {
            font-size: 11px;
            color: var(--gray);
            margin-top: 2px;
        }
        .announcement-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .announcement-list li {
            font-size: 12px;
            color: var(--gray);
            padding: 5px 0;
            border-bottom: 1px dashed var(--border);
            display: flex;
            align-items: center;
            gap: 7px;
        }
        .announcement-list li:last-child {
            border-bottom: none;
        }
        .announcement-list i {
            color: var(--primary);
            font-size: 10px;
            flex-shrink: 0;
        }

        /* ===== Community Features Section ===== */
        .community-features {
            padding: var(--section-padding);
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-heading {
            text-align: center;
            margin-bottom: 36px;
        }
        .section-heading h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 8px;
            letter-spacing: 0.3px;
        }
        .section-heading p {
            font-size: 14px;
            color: var(--gray);
            margin: 0;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }
        .feature-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            transition: var(--transition);
            text-align: left;
        }
        .feature-card:hover {
            background: #fff;
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--border-focus);
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--secondary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 20px;
            margin-bottom: 14px;
        }
        .feature-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 8px;
        }
        .feature-card p {
            font-size: 13px;
            color: var(--gray);
            margin: 0;
            line-height: 1.7;
        }

        /* ===== Guild / Event Strip ===== */
        .guild-strip {
            padding: 48px 0;
        }
        .guild-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .guild-card::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: var(--secondary-bg-light);
            z-index: 0;
        }
        .guild-card .guild-info {
            flex: 1;
            min-width: 240px;
            position: relative;
            z-index: 1;
        }
        .guild-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 6px;
        }
        .guild-card p {
            font-size: 13px;
            color: var(--gray);
            margin: 0;
        }
        .guild-cta {
            position: relative;
            z-index: 1;
            flex-shrink: 0;
        }
        .btn-outline-primary {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: #fff;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            font-size: 14px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 10px;
            transition: var(--transition);
        }
        .btn-outline-primary:hover {
            background: var(--secondary-bg-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--section-padding);
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: #fff;
            transition: var(--transition);
            overflow: hidden;
        }
        .faq-item:hover {
            border-color: var(--border-focus);
            box-shadow: var(--shadow-sm);
        }
        .faq-item details summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            list-style: none;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            transition: var(--transition);
            user-select: none;
        }
        .faq-item details summary::-webkit-details-marker {
            display: none;
        }
        .faq-item details summary:hover {
            background: var(--secondary-bg-light);
            color: var(--primary);
        }
        .faq-item details summary .faq-arrow {
            transition: var(--transition);
            color: var(--gray-light);
            flex-shrink: 0;
            font-size: 13px;
        }
        .faq-item details[open] summary .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item details[open] summary {
            background: var(--secondary-bg-light);
            color: var(--primary);
        }
        .faq-item details .faq-content {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--gray);
            line-height: 1.8;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 48px 0 56px;
        }
        .cta-card {
            background: var(--ink);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 20%, rgba(37, 99, 235, 0.30) 0%, transparent 60%);
            z-index: 0;
        }
        .cta-card .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-card h2 {
            font-size: 24px;
            font-weight: 700;
            margin: 0 0 8px;
            color: #fff;
        }
        .cta-card p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin: 0 0 22px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            padding: 13px 30px;
            border-radius: 10px;
            border: none;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(37, 99, 235, 0.40);
        }
        .btn-cta-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(37, 99, 235, 0.50);
        }
        @media (max-width: 640px) {
            .cta-card {
                padding: 30px 20px;
            }
            .cta-card h2 {
                font-size: 20px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0F1E3C;
            color: rgba(255, 255, 255, 0.80);
            padding: 48px 0 20px;
            flex-shrink: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr repeat(3, 1fr);
            gap: 28px;
            margin-bottom: 30px;
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        .footer-col .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-col .footer-logo span {
            color: #6B9FFF;
        }
        .footer-col p {
            font-size: 13px;
            line-height: 1.75;
            margin: 0;
            color: rgba(255, 255, 255, 0.70);
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: 0.4px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.70);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            flex-wrap: wrap;
            font-size: 11px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 11px;
        }
        .footer-bottom-links a:hover {
            color: #fff;
        }

        /* ===== Buttons shared ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            border: none;
            border-radius: 10px;
            font-weight: 600;
            transition: var(--transition);
            font-family: var(--font-sans);
        }
        .btn:active {
            transform: translateY(1px);
        }

        /* ===== Utility ===== */
        .text-primary { color: var(--primary); }
        .text-gray { color: var(--gray); }
        .font-semibold { font-weight: 600; }
        .mt-0 { margin-top: 0; }
        .mb-0 { margin-bottom: 0; }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ===== Pagination ===== */
        .pagination-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 16px 0 0;
            flex-wrap: wrap;
        }
        .pagination-row a,
        .pagination-row span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 34px;
            height: 34px;
            padding: 0 10px;
            font-size: 13px;
            font-weight: 500;
            border-radius: 8px;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--gray);
            transition: var(--transition);
        }
        .pagination-row a:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--secondary-bg-light);
        }
        .pagination-row .current {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        .pagination-row .disabled {
            opacity: 0.45;
            pointer-events: none;
        }

/* roulang page: category7 */
:root {
            --primary: #2563EB;
            --primary-dark: #1A3F9E;
            --primary-deep: #1E4FBA;
            --secondary-bg: #EAF0FA;
            --secondary-bg-light: #EFF4FC;
            --ink: #0F1E3C;
            --ink-soft: #1A2D50;
            --gray: #5A6B87;
            --gray-light: #8A9BB8;
            --bg: #F7F9FC;
            --card-bg: #FFFFFF;
            --border: #DFE7F2;
            --border-focus: #CBD8EC;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(15, 30, 60, 0.06);
            --shadow-hover: 0 8px 24px rgba(15, 30, 60, 0.10);
            --shadow-focus: 0 0 0 3px rgba(37, 99, 235, 0.35);
            --danger: #D93843;
            --success: #16A34A;
            --warning-bg: #FFF7ED;
            --warning-text: #C2410C;
            --transition: all 0.25s ease;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --font-display: "Barlow", "PingFang SC", "Microsoft YaHei", sans-serif;
            --container-max: 1180px;
            --section-padding: 80px 0;
            --header-height: 68px;
        }
        :root {
            --header-height: 60px;
        }
        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--ink);
            background: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
        }
        body.no-scroll {
            overflow: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: var(--font-sans);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .container {
            padding: 0 16px;
        }

        /* Header / Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(15, 30, 60, 0.05);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            font-family: var(--font-display);
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            flex-wrap: nowrap;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink-soft);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            background: var(--secondary-bg);
            color: var(--primary);
        }
        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--primary);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--warning-bg);
            color: var(--warning-text);
            font-size: 11px;
            font-weight: 600;
            padding: 4px 8px;
            border-radius: 4px;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .nav-countdown {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 600;
            color: var(--ink-soft);
            white-space: nowrap;
            font-family: var(--font-display);
            letter-spacing: 0.3px;
        }
        .nav-countdown .cd-time {
            color: var(--primary);
            font-weight: 700;
            font-variant-numeric: tabular-nums;
        }
        .btn-primary-sm {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            border: none;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-primary-sm:hover {
            background: var(--primary-dark);
            color: #fff;
        }
        .btn-primary-sm:active {
            transform: translateY(1px);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--ink);
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--secondary-bg);
            color: var(--primary);
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            margin-top: var(--header-height);
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }
        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--gray);
            flex-wrap: wrap;
        }
        .breadcrumb-bar a {
            color: var(--gray);
        }
        .breadcrumb-bar a:hover {
            color: var(--primary);
        }
        .breadcrumb-bar .separator {
            color: var(--gray-light);
            font-size: 12px;
        }
        .breadcrumb-bar .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* Page Hero */
        .page-hero {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 48px 0 40px;
        }
        .page-hero .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }
        .page-hero-content {
            flex: 1;
            min-width: 280px;
        }
        .page-hero-content h1 {
            font-size: 32px;
            font-weight: 800;
            color: var(--ink);
            margin: 0 0 12px;
            line-height: 1.35;
            letter-spacing: 0.5px;
        }
        .page-hero-content h1 .highlight {
            color: var(--primary);
        }
        .page-hero-content .hero-sub {
            font-size: 15px;
            color: var(--gray);
            line-height: 1.8;
            max-width: 560px;
            margin: 0;
        }
        .page-hero-image {
            flex-shrink: 0;
            width: 320px;
            max-width: 100%;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }
        .page-hero-image img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        /* Section base */
        .section {
            padding: 64px 0;
        }
        .section-alt {
            background: #fff;
        }
        .section-title-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }
        .section-title-row h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--ink);
            margin: 0;
            line-height: 1.35;
        }
        .section-title-row .section-sub {
            font-size: 14px;
            color: var(--gray);
            margin: 4px 0 0;
            max-width: 520px;
        }
        .section-title-row .section-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* Featured Update Card */
        .featured-update {
            background: linear-gradient(135deg, #0F1E3C 0%, #1A2D50 55%, #1E3A6D 100%);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            display: flex;
            gap: 36px;
            align-items: center;
            flex-wrap: wrap;
            box-shadow: var(--shadow-hover);
            margin-bottom: 40px;
        }
        .featured-update .feat-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(37, 99, 235, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .featured-update h3 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
            line-height: 1.4;
        }
        .featured-update p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
            line-height: 1.8;
            margin: 0 0 16px;
        }
        .featured-update .feat-meta {
            display: flex;
            gap: 20px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 12px;
            flex-wrap: wrap;
        }
        .featured-update .feat-meta i {
            margin-right: 4px;
        }
        .featured-update .btn-white-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
        }
        .featured-update .btn-white-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }
        .featured-update .feat-image {
            flex-shrink: 0;
            width: 280px;
            max-width: 100%;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 2px solid rgba(255, 255, 255, 0.15);
        }
        .featured-update .feat-image img {
            width: 100%;
            height: 170px;
            object-fit: cover;
        }

        /* Timeline */
        .timeline-container {
            position: relative;
            padding-left: 32px;
        }
        .timeline-container::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: var(--border);
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 28px;
            padding: 20px 24px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .timeline-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-focus);
            transform: translateY(-2px);
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -27px;
            top: 24px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid #fff;
            box-shadow: 0 0 0 2px var(--primary);
        }
        .timeline-item .tl-version {
            font-family: var(--font-display);
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
            letter-spacing: 0.5px;
        }
        .timeline-item .tl-date {
            font-size: 12px;
            color: var(--gray-light);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .timeline-item .tl-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .timeline-item .tl-desc {
            font-size: 14px;
            color: var(--gray);
            line-height: 1.75;
            margin: 0 0 12px;
        }
        .timeline-item .tl-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .tl-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 20px;
            letter-spacing: 0.3px;
        }
        .tl-tag--new {
            background: #DBEAFE;
            color: #1D4ED8;
        }
        .tl-tag--patch {
            background: #F0FDF4;
            color: #166534;
        }
        .tl-tag--event {
            background: #FEF3C7;
            color: #92400E;
        }
        .tl-tag--system {
            background: #FCE7F3;
            color: #9D174D;
        }

        /* Update highlights grid */
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }
        .highlight-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .highlight-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-focus);
            transform: translateY(-3px);
        }
        .highlight-card .hc-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--secondary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 14px;
        }
        .highlight-card h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--ink);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .highlight-card p {
            font-size: 13px;
            color: var(--gray);
            line-height: 1.7;
            margin: 0;
        }

        /* Stats strip */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin: 40px 0;
        }
        .stat-box {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }
        .stat-box .stat-num {
            font-family: var(--font-display);
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-box .stat-label {
            font-size: 13px;
            color: var(--gray);
            margin-top: 4px;
        }

        /* Maintenance notice */
        .maintenance-notice {
            background: var(--warning-bg);
            border: 1px solid #FED7AA;
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            margin-bottom: 32px;
        }
        .maintenance-notice .mn-icon {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: #FFEDD5;
            color: var(--warning-text);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }
        .maintenance-notice .mn-content h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--warning-text);
            margin: 0 0 4px;
        }
        .maintenance-notice .mn-content p {
            font-size: 13px;
            color: #9A3412;
            margin: 0;
            line-height: 1.6;
        }

        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-focus);
        }
        .faq-item summary {
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background: #fff;
            transition: var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-icon {
            flex-shrink: 0;
            font-size: 13px;
            color: var(--gray-light);
            transition: transform 0.25s ease;
        }
        .faq-item[open] summary {
            background: var(--secondary-bg-light);
            color: var(--primary);
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item .faq-answer {
            padding: 0 20px 16px;
            font-size: 14px;
            color: var(--gray);
            line-height: 1.75;
        }

        /* Subscribe CTA */
        .subscribe-cta {
            background: linear-gradient(135deg, #1E4FBA 0%, #2563EB 50%, #1A3F9E 100%);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
        }
        .subscribe-cta h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
        }
        .subscribe-cta p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 14px;
            margin: 0;
            line-height: 1.7;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .subscribe-form input {
            background: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            font-size: 14px;
            color: var(--ink);
            width: 260px;
            max-width: 100%;
            height: 44px;
        }
        .subscribe-form input:focus {
            outline: 3px solid rgba(255, 255, 255, 0.4);
            outline-offset: 2px;
        }
        .subscribe-form .btn-subscribe {
            background: #fff;
            color: var(--primary);
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 700;
            height: 44px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .subscribe-form .btn-subscribe:hover {
            background: var(--secondary-bg);
            color: var(--primary-dark);
        }

        /* Footer */
        .site-footer {
            background: var(--ink);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 24px;
            margin-top: auto;
        }
        .site-footer .container {
            padding: 0 16px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .footer-logo span {
            color: #60A5FA;
        }
        .footer-col p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            margin: 0;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 12px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 13px;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-col ul li a i {
            margin-right: 6px;
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 24px;
            align-items: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom-links {
            display: flex;
            gap: 8px;
            align-items: center;
        }
        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 12px;
        }
        .footer-bottom-links a:hover {
            color: #fff;
        }

        /* Mobile nav overlay */
        .nav-overlay {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 30, 60, 0.5);
            z-index: 999;
        }
        .nav-overlay.active {
            display: block;
        }
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--header-height);
            right: 0;
            bottom: 0;
            width: 280px;
            background: #fff;
            z-index: 1001;
            box-shadow: -4px 0 20px rgba(15, 30, 60, 0.15);
            padding: 20px;
            overflow-y: auto;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-nav-panel.active {
            display: flex;
        }
        .mobile-nav-panel a {
            display: block;
            padding: 12px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--ink-soft);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            background: var(--secondary-bg);
            color: var(--primary);
            font-weight: 600;
        }
        .mobile-nav-panel .btn-primary-sm {
            margin-top: 12px;
            justify-content: center;
            width: 100%;
        }
        .mobile-nav-panel .nav-countdown {
            justify-content: center;
            margin-top: 8px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links a {
                padding: 6px 8px;
                font-size: 13px;
            }
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .featured-update {
                padding: 28px;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .nav-countdown {
                display: none;
            }
            .nav-badge {
                display: none;
            }
            .page-hero {
                padding: 32px 0 28px;
            }
            .page-hero .container {
                flex-direction: column;
                gap: 20px;
            }
            .page-hero-content h1 {
                font-size: 26px;
            }
            .page-hero-image {
                width: 100%;
            }
            .page-hero-image img {
                height: 160px;
            }
            .section {
                padding: 48px 0;
            }
            .section-title-row h2 {
                font-size: 22px;
            }
            .featured-update {
                flex-direction: column;
                padding: 24px;
                gap: 20px;
            }
            .featured-update .feat-image {
                width: 100%;
            }
            .featured-update .feat-image img {
                height: 150px;
            }
            .timeline-container {
                padding-left: 24px;
            }
            .timeline-container::before {
                left: 7px;
            }
            .timeline-item {
                padding: 16px 18px;
            }
            .timeline-item::before {
                left: -21px;
                width: 10px;
                height: 10px;
            }
            .subscribe-cta {
                flex-direction: column;
                text-align: center;
                padding: 28px 20px;
            }
            .subscribe-form {
                justify-content: center;
                width: 100%;
            }
            .subscribe-form input {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stats-strip {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-box .stat-num {
                font-size: 26px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 12px;
            }
            .site-header .container {
                padding: 0 12px;
            }
            .page-hero-content h1 {
                font-size: 22px;
            }
            .highlights-grid {
                grid-template-columns: 1fr;
            }
            .stats-strip {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-box {
                padding: 14px;
            }
            .stat-box .stat-num {
                font-size: 22px;
            }
            .timeline-item .tl-title {
                font-size: 15px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .subscribe-form .btn-subscribe {
                width: 100%;
            }
        }