/* roulang page: index */
:root {
            --primary: #d4a853;
            --primary-dark: #b8913a;
            --primary-light: #f0d9a8;
            --secondary: #0f172a;
            --accent: #f59e0b;
            --bg: #f8fafc;
            --bg-dark: #0f172a;
            --surface: #ffffff;
            --text: #0f172a;
            --text-light: #64748b;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.12);
            --transition: all 0.3s ease;
            --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --container: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 96px 0;
        }

        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 56px;
        }

        .section-tag {
            display: inline-block;
            background: rgba(212, 168, 83, 0.12);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            padding: 6px 18px;
            border-radius: 50px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .section-head h2 {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--secondary);
            margin-bottom: 14px;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.7;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 32px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(212, 168, 83, 0.35);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 168, 83, 0.45);
        }

        .btn-outline {
            background: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 168, 83, 0.3);
        }

        .btn-white {
            background: #fff;
            color: var(--secondary);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
        }

        .btn-white:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }

        .btn-dark {
            background: var(--secondary);
            color: #fff;
        }

        .btn-dark:hover {
            background: #1e293b;
            transform: translateY(-2px);
        }

        .btn:focus-visible,
        .nav-link:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(212, 168, 83, 0.5);
            outline-offset: 2px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 20px rgba(15, 23, 42, 0.06);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 16px;
        }

        .brand-logo {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(135deg, var(--primary) 0%, #f5c56b 50%, var(--primary-dark) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .brand-logo i {
            font-size: 22px;
            color: var(--primary);
            -webkit-text-fill-color: var(--primary);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            background: rgba(241, 245, 249, 0.7);
            border-radius: 50px;
            padding: 5px;
            border: 1px solid rgba(226, 232, 240, 0.6);
        }

        .nav-link {
            padding: 9px 22px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-light);
            background: transparent;
            transition: var(--transition);
            display: block;
            letter-spacing: 0.3px;
        }

        .nav-link:hover {
            color: var(--primary-dark);
            background: rgba(212, 168, 83, 0.1);
        }

        .nav-link.active {
            background: var(--secondary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(15, 23, 42, 0.2);
        }

        .nav-link.active:hover {
            color: #fff;
            background: var(--secondary);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--bg);
            color: var(--text);
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: var(--primary-light);
            border-color: var(--primary);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 640px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.82) 0%, rgba(15, 23, 42, 0.65) 40%, rgba(15, 23, 42, 0.35) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 100px 24px;
            width: 100%;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(212, 168, 83, 0.2);
            border: 1px solid rgba(212, 168, 83, 0.4);
            color: var(--primary-light);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            padding: 7px 22px;
            border-radius: 50px;
            margin-bottom: 28px;
        }

        .hero-tag i {
            color: var(--primary);
        }

        .hero h1 {
            font-size: 52px;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

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

        .hero-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 56px;
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .stat-item {
            text-align: center;
            padding: 20px 32px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius);
            backdrop-filter: blur(8px);
            min-width: 140px;
            transition: var(--transition);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-4px);
        }

        .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 4px;
            letter-spacing: 1px;
        }

        /* ===== Features ===== */
        .features {
            background: var(--surface);
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 36px 28px;
            text-align: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 74px;
            height: 74px;
            border-radius: 20px;
            background: linear-gradient(135deg, rgba(212, 168, 83, 0.15), rgba(212, 168, 83, 0.05));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 24px;
            font-size: 28px;
            color: var(--primary-dark);
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--secondary);
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== Categories ===== */
        .categories {
            background: var(--bg);
        }

        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .category-card {
            background: var(--surface);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: 0 4px 16px rgba(15, 23, 42, 0.05);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .category-card-img {
            height: 220px;
            overflow: hidden;
            position: relative;
        }

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

        .category-card:hover .category-card-img img {
            transform: scale(1.06);
        }

        .category-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.3), transparent 60%);
        }

        .category-card-body {
            padding: 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .category-card-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 10px;
        }

        .category-card-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 20px;
        }

        .category-card-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-dark);
            transition: var(--transition);
        }

        .category-card-link:hover {
            gap: 14px;
            color: var(--primary);
        }

        .category-card-link i {
            font-size: 13px;
        }

        /* ===== Latest List ===== */
        .latest {
            background: var(--surface);
        }

        .article-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .article-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .article-card:hover {
            box-shadow: var(--shadow);
            border-color: rgba(212, 168, 83, 0.4);
            transform: translateY(-3px);
        }

        .article-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 14px;
        }

        .badge {
            display: inline-block;
            background: rgba(212, 168, 83, 0.12);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            letter-spacing: 0.5px;
        }

        .date {
            font-size: 13px;
            color: var(--text-light);
        }

        .article-card h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
            color: var(--secondary);
        }

        .article-card h3 a:hover {
            color: var(--primary-dark);
        }

        .article-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 18px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-dark);
        }

        .read-more:hover {
            gap: 12px;
            color: var(--primary);
        }

        .empty-tip {
            text-align: center;
            padding: 60px 24px;
            font-size: 16px;
            color: var(--text-light);
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
        }

        /* ===== Stats ===== */
        .stats {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }

        .stats::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.15;
        }

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

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .stat-card {
            text-align: center;
            padding: 48px 24px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            transition: var(--transition);
        }

        .stat-card:hover {
            background: rgba(212, 168, 83, 0.1);
            border-color: rgba(212, 168, 83, 0.3);
            transform: translateY(-4px);
        }

        .stat-card i {
            font-size: 32px;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .stat-card .num {
            font-size: 48px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .stat-card .label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 8px;
        }

        /* ===== Steps ===== */
        .steps {
            background: var(--bg);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            counter-reset: step-counter;
        }

        .step-item {
            text-align: center;
            padding: 40px 24px;
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
            transition: var(--transition);
            position: relative;
        }

        .step-item:hover {
            box-shadow: var(--shadow);
            transform: translateY(-4px);
        }

        .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 6px 20px rgba(212, 168, 83, 0.3);
        }

        .step-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq {
            background: var(--surface);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

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

        .faq-item:hover {
            border-color: rgba(212, 168, 83, 0.4);
        }

        .faq-item summary {
            padding: 22px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--secondary);
            list-style: none;
            transition: var(--transition);
        }

        .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: 14px;
            color: var(--primary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

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

        .faq-item details[open] summary {
            color: var(--primary-dark);
        }

        .faq-item .answer {
            padding: 0 28px 24px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
            border-top: 1px solid var(--border);
            padding-top: 18px;
            margin-top: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg);
        }

        .cta-box {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 60%, #8b6a2a 100%);
            border-radius: 24px;
            padding: 68px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(212, 168, 83, 0.35);
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
        }

        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -20px;
            width: 220px;
            height: 220px;
            background: rgba(0, 0, 0, 0.06);
            border-radius: 50%;
        }

        .cta-box h2 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .cta-box p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.9);
            max-width: 480px;
            margin: 0 auto 32px;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }

        .cta-box .btn-white {
            position: relative;
            z-index: 1;
        }

        .cta-box .btn-white:hover {
            background: var(--primary-light);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.6);
            padding: 64px 0 0;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .brand-logo {
            font-size: 28px;
            margin-bottom: 14px;
            color: var(--primary);
            -webkit-text-fill-color: var(--primary);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            max-width: 320px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            padding: 5px 0;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--primary);
            padding-left: 6px;
        }

        .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

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

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .article-grid {
                grid-template-columns: 1fr;
            }

            .hero h1 {
                font-size: 42px;
            }

            .hero-stats {
                gap: 24px;
            }

            .stat-item {
                padding: 16px 24px;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: calc(100% + 12px);
                left: 24px;
                right: 24px;
                background: var(--surface);
                border-radius: var(--radius);
                box-shadow: var(--shadow-lg);
                border: 1px solid var(--border);
                flex-direction: column;
                align-items: stretch;
                padding: 12px;
                gap: 4px;
            }

            .main-nav.active {
                display: flex;
            }

            .nav-link {
                text-align: center;
                padding: 14px 20px;
                border-radius: var(--radius-sm);
            }

            .nav-link.active {
                background: var(--primary);
            }

            .header-inner {
                height: 68px;
            }

            .brand-logo {
                font-size: 22px;
            }

            .nav-actions .btn {
                padding: 10px 20px;
                font-size: 14px;
            }

            .hero {
                min-height: 520px;
            }

            .hero-content {
                padding: 80px 20px;
            }

            .hero h1 {
                font-size: 32px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: center;
            }

            .hero-actions .btn {
                width: fit-content;
            }

            .hero-stats {
                flex-direction: column;
                align-items: center;
                gap: 16px;
            }

            .stat-item {
                width: 100%;
                max-width: 240px;
            }

            .section {
                padding: 64px 0;
            }

            .section-head h2 {
                font-size: 28px;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-bottom {
                flex-direction: column;
                justify-content: center;
            }

            .stats-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .cta-box {
                padding: 40px 24px;
                border-radius: 16px;
            }

            .cta-box h2 {
                font-size: 26px;
            }

            .cta-box p {
                font-size: 14px;
            }
        }

        @media (max-width: 520px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }

            .category-grid {
                grid-template-columns: 1fr;
            }

            .steps-grid {
                grid-template-columns: 1fr;
            }

            .category-card-img {
                height: 180px;
            }

            .article-card {
                padding: 20px;
            }

            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .hero h1 {
                font-size: 26px;
            }

            .hero-tag {
                font-size: 12px;
                padding: 6px 14px;
            }

            .brand-logo {
                font-size: 19px;
                letter-spacing: 0;
            }

            .nav-actions .btn {
                padding: 9px 16px;
                font-size: 13px;
            }

            .nav-toggle {
                width: 38px;
                height: 38px;
            }

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

            .section-head h2 {
                font-size: 24px;
            }

            .section-tag {
                font-size: 12px;
                padding: 4px 14px;
            }

            .stat-card .num {
                font-size: 36px;
            }

            .cta-box {
                padding: 32px 20px;
            }

            .cta-box h2 {
                font-size: 22px;
            }

            .footer-top {
                gap: 24px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }

            html {
                scroll-behavior: auto;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #c9a35e;
            --primary-dark: #a8853e;
            --primary-light: #e8d3a7;
            --secondary: #1a1f36;
            --secondary-light: #2a3050;
            --bg: #f7f5f0;
            --bg-white: #ffffff;
            --bg-dark: #141824;
            --text: #2c2c35;
            --text-light: #6b6b76;
            --border: #e8e4dc;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 10px rgba(0,0,0,0.05);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.08);
            --shadow-lg: 0 20px 50px rgba(0,0,0,0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --content-width: 1260px;
        }

        /* ===== 基础Reset ===== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img, svg { display: block; max-width: 100%; vertical-align: middle; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        button { font-family: inherit; border: none; background: none; cursor: pointer; }
        input, select, textarea { font-family: inherit; font-size: 100%; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text);
        }

        .container {
            max-width: var(--content-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 导航 ===== */
        .site-header {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0,0,0,0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 74px;
            gap: 20px;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.45rem;
            font-weight: 800;
            letter-spacing: 0.01em;
            color: var(--secondary);
            flex-shrink: 0;
        }
        .brand-logo i {
            color: var(--primary);
            font-size: 1.5rem;
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            background: var(--bg);
            border-radius: 50px;
            padding: 4px;
            border: 1px solid var(--border);
            flex-wrap: wrap;
            justify-content: center;
        }
        .nav-link {
            position: relative;
            padding: 10px 22px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-light);
            white-space: nowrap;
            transition: var(--transition);
            background: transparent;
        }
        .nav-link:hover {
            color: var(--secondary);
            background: rgba(255,255,255,0.8);
        }
        .nav-link.active {
            color: var(--secondary);
            background: var(--bg-white);
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }
        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
            border: 1px solid transparent;
            line-height: 1.4;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 15px rgba(201, 163, 94, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(201, 163, 94, 0.45);
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        }
        .btn-outline {
            background: transparent;
            border-color: var(--border);
            color: var(--text);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary-dark);
            background: rgba(201,163,94,0.06);
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--bg);
            border: 1px solid var(--border);
            font-size: 1.1rem;
            color: var(--text);
            align-items: center;
            justify-content: center;
        }

        /* ===== Hero / Banner ===== */
        .page-banner {
            position: relative;
            padding: 90px 0 70px;
            background: linear-gradient(135deg, rgba(20,24,36,0.94) 0%, rgba(26,31,54,0.88) 60%, rgba(50,45,38,0.78) 100%),
                        url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #f0efe9;
            text-align: center;
            overflow: hidden;
        }
        .page-banner::before {
            content: "";
            position: absolute;
            top: -60%;
            left: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(201,163,94,0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-banner::after {
            content: "";
            position: absolute;
            bottom: -40%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .banner-content {
            position: relative;
            z-index: 2;
            max-width: 740px;
            margin: 0 auto;
            padding: 20px;
        }
        .banner-tag {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 50px;
            background: rgba(201,163,94,0.2);
            border: 1px solid rgba(201,163,94,0.4);
            color: var(--primary-light);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 24px;
            animation: fadeInDown 0.6s ease;
        }
        .page-banner h1 {
            color: #fff;
            font-size: clamp(2rem, 5vw, 3.2rem);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
            animation: fadeInDown 0.7s ease;
            line-height: 1.2;
        }
        .page-banner p {
            color: rgba(255,255,255,0.8);
            font-size: 1.05rem;
            line-height: 1.8;
            max-width: 620px;
            margin: 0 auto 28px;
            animation: fadeInDown 0.8s ease;
        }
        .banner-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            animation: fadeInDown 0.9s ease;
        }
        .btn-light {
            background: #fff;
            color: var(--secondary);
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
        }
        .btn-light:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0,0,0,0.2);
            color: var(--secondary);
        }
        .btn-ghost-light {
            background: rgba(255,255,255,0.08);
            border-color: rgba(255,255,255,0.35);
            color: #fff;
        }
        .btn-ghost-light:hover {
            background: rgba(255,255,255,0.18);
            transform: translateY(-2px);
            border-color: rgba(255,255,255,0.6);
            color: #fff;
        }

        @keyframes fadeInDown {
            from { opacity: 0; transform: translateY(-20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            padding: 18px 0;
            background: transparent;
            font-size: 0.85rem;
            color: var(--text-light);
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary-dark);
        }
        .breadcrumb span {
            margin: 0 8px;
            color: #bbb;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 70px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-dark {
            background: var(--bg-dark);
            color: #e8e6e0;
        }
        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-tag {
            display: inline-block;
            padding: 5px 16px;
            border-radius: 50px;
            background: rgba(201,163,94,0.12);
            color: var(--primary-dark);
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            margin-bottom: 12px;
            color: var(--text);
        }
        .section-head p {
            color: var(--text-light);
            font-size: 1.02rem;
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section-dark .section-head h2 {
            color: #fff;
        }
        .section-dark .section-head p {
            color: rgba(255,255,255,0.65);
        }
        .section-dark .section-tag {
            background: rgba(201,163,94,0.15);
            color: var(--primary-light);
        }

        /* ===== 指南分类卡片 ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .guide-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 34px 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .guide-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s ease;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(201,163,94,0.4);
        }
        .guide-card:hover::before {
            transform: scaleX(1);
        }
        .guide-icon {
            width: 64px;
            height: 64px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.7rem;
            background: linear-gradient(135deg, rgba(201,163,94,0.15), rgba(201,163,94,0.05));
            color: var(--primary-dark);
            margin-bottom: 20px;
            border: 1px solid rgba(201,163,94,0.2);
        }
        .guide-card h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }
        .guide-card p {
            color: var(--text-light);
            font-size: 0.92rem;
            line-height: 1.65;
            margin-bottom: 16px;
        }
        .guide-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--primary-dark);
            transition: var(--transition);
        }
        .guide-link i {
            font-size: 0.8rem;
            transition: transform 0.3s ease;
        }
        .guide-link:hover {
            color: var(--secondary);
        }
        .guide-link:hover i {
            transform: translateX(4px);
        }

        /* ===== 图文区块 ===== */
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }
        .feature-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .feature-image img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .feature-image:hover img {
            transform: scale(1.03);
        }
        .feature-image::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(20,24,36,0.25), transparent 40%);
        }
        .feature-content h2 {
            font-size: clamp(1.5rem, 3vw, 2.1rem);
            margin-bottom: 18px;
        }
        .feature-list {
            margin-top: 20px;
        }
        .feature-list li {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 12px 0;
            border-bottom: 1px dashed var(--border);
        }
        .feature-list li:last-child {
            border-bottom: none;
        }
        .feature-list i {
            color: var(--primary);
            font-size: 1.1rem;
            margin-top: 4px;
            flex-shrink: 0;
        }
        .feature-list strong {
            font-weight: 600;
            color: var(--text);
        }
        .feature-list p {
            color: var(--text-light);
            font-size: 0.93rem;
            line-height: 1.6;
            margin-top: 2px;
        }

        /* ===== 步骤流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 20px;
        }
        .step-item {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: var(--radius);
            padding: 32px 20px;
            text-align: center;
            transition: var(--transition);
            position: relative;
        }
        .step-item:hover {
            background: rgba(255,255,255,0.08);
            border-color: rgba(201,163,94,0.3);
            transform: translateY(-4px);
        }
        .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin: 0 auto 18px;
            box-shadow: 0 6px 20px rgba(201,163,94,0.4);
        }
        .step-item h3 {
            font-size: 1.05rem;
            margin-bottom: 10px;
            color: #fff;
        }
        .step-item p {
            font-size: 0.88rem;
            color: rgba(255,255,255,0.6);
            line-height: 1.6;
        }

        /* ===== 重点内容卡片 ===== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .content-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .content-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .card-media {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .content-card:hover .card-media img {
            transform: scale(1.05);
        }
        .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 14px;
            background: rgba(255,255,255,0.9);
            backdrop-filter: blur(6px);
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--secondary);
            box-shadow: var(--shadow-sm);
        }
        .card-body {
            padding: 24px;
        }
        .card-body h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-body p {
            color: var(--text-light);
            font-size: 0.92rem;
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }
        .card-meta span {
            font-size: 0.82rem;
            color: var(--text-light);
        }
        .card-meta a {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--primary-dark);
        }
        .card-meta a:hover {
            color: var(--secondary);
        }
        .tag-list {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }
        .tag {
            padding: 3px 12px;
            border-radius: 50px;
            background: var(--bg);
            font-size: 0.78rem;
            color: var(--text-light);
            border: 1px solid var(--border);
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(201,163,94,0.4);
        }
        .faq-item summary {
            padding: 20px 24px;
            font-size: 1.02rem;
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: var(--transition);
            color: var(--text);
        }
        .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: 0.8rem;
            color: var(--primary);
            flex-shrink: 0;
            transition: transform 0.4s ease;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item[open] {
            box-shadow: var(--shadow-sm);
            border-color: rgba(201,163,94,0.4);
        }
        .faq-item p {
            padding: 4px 24px 22px;
            color: var(--text-light);
            font-size: 0.94rem;
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-banner {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 50%, #3a2f24 100%);
            border-radius: var(--radius);
            padding: 60px 48px;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
        }
        .cta-banner::before {
            content: "";
            position: absolute;
            top: -50%;
            right: -10%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(201,163,94,0.25) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-content h2 {
            color: #fff;
            font-size: clamp(1.5rem, 3vw, 2.1rem);
            margin-bottom: 8px;
        }
        .cta-content p {
            color: rgba(255,255,255,0.7);
            font-size: 1rem;
        }
        .cta-actions {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: #a8acb6;
            padding: 70px 0 0;
            margin-top: 40px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 50px;
            padding-bottom: 40px;
        }
        .footer-brand .brand-logo {
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-brand p {
            font-size: 0.92rem;
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 22px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .footer-col a {
            display: block;
            font-size: 0.92rem;
            color: #8a8f9e;
            padding: 6px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 6px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 22px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.84rem;
            color: #666b75;
        }
        .footer-bottom a {
            color: #8a8f9e;
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .guide-grid, .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-row {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .feature-image img {
                height: 320px;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
            .header-inner {
                flex-wrap: wrap;
                min-height: 64px;
                padding: 10px 0;
                gap: 10px;
            }
            .main-nav {
                order: 3;
                width: 100%;
                border-radius: 12px;
                padding: 6px;
                overflow-x: auto;
                flex-wrap: nowrap;
                justify-content: flex-start;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: thin;
            }
            .nav-link {
                padding: 8px 16px;
                font-size: 0.87rem;
                flex-shrink: 0;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-actions .btn {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
            .page-banner {
                padding: 60px 0 48px;
            }
            .section {
                padding: 50px 0;
            }
            .section-head {
                margin-bottom: 32px;
            }
            .guide-grid, .cards-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .cta-banner {
                flex-direction: column;
                align-items: flex-start;
                padding: 40px 30px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                gap: 6px;
            }
            .brand-logo {
                font-size: 1.15rem;
            }
            .nav-actions .btn {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .page-banner h1 {
                font-size: 1.7rem;
            }
            .page-banner p {
                font-size: 0.95rem;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .feature-image img {
                height: 240px;
            }
            .cta-banner {
                padding: 32px 20px;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .card-media {
                height: 180px;
            }
            .faq-item summary {
                padding: 16px 18px;
                font-size: 0.95rem;
            }
            .faq-item p {
                padding: 4px 18px 18px;
            }
        }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 8px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg);
        }
        ::-webkit-scrollbar-thumb {
            background: #c5c4c0;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary);
        }

        /* ===== 焦点可访问性 ===== */
        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 3px solid rgba(201,163,94,0.5);
            outline-offset: 2px;
            border-radius: 4px;
        }

/* roulang page: article */
:root {
    --primary: #1e3a5f;
    --primary-dark: #0f1c2e;
    --primary-light: #2d5a8e;
    --accent: #c9a14a;
    --accent-light: #dbba63;
    --accent-dark: #a07d2e;
    --bg: #f5f7fb;
    --bg-alt: #eef1f6;
    --bg-dark: #0f1c2e;
    --white: #ffffff;
    --text: #1e2a3a;
    --text-weak: #6b7a90;
    --border: #e2e8f0;
    --radius: 18px;
    --radius-sm: 10px;
    --radius-lg: 24px;
    --shadow: 0 4px 20px rgba(15, 28, 46, 0.08);
    --shadow-lg: 0 12px 40px rgba(15, 28, 46, 0.14);
    --transition: all 0.3s ease;
    --container: 1200px;
    --space-sm: 16px;
    --space-md: 36px;
    --space-lg: 72px;
    --space-xl: 96px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    font-size: 16px;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Header / Nav ===== */
.site-header {
    padding: 20px 24px 0;
    position: relative;
    z-index: 100;
}

.header-inner {
    background: linear-gradient(135deg, #0f1c2e 0%, #1e3a5f 100%);
    border-radius: var(--radius-lg);
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    box-shadow: 0 8px 30px rgba(15, 28, 46, 0.22);
    max-width: var(--container);
    margin: 0 auto;
    position: relative;
}

.brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: 1px;
    white-space: nowrap;
    transition: var(--transition);
}

.brand-logo i {
    color: var(--accent);
    font-size: 24px;
}

.brand-logo:hover {
    opacity: 0.9;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    justify-content: center;
    flex-wrap: wrap;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 18px;
    border-radius: var(--radius-sm);
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link:focus {
    background: rgba(255, 255, 255, 0.14);
    color: #ffffff;
    transform: translateY(-2px);
    outline: none;
}

.nav-link.active {
    background: var(--accent);
    color: var(--primary-dark);
    border-color: var(--accent);
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(201, 161, 74, 0.35);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
    line-height: 1.4;
}

.btn:focus-visible {
    outline: 3px solid rgba(201, 161, 74, 0.5);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--accent);
    color: var(--primary-dark);
    box-shadow: 0 4px 14px rgba(201, 161, 74, 0.3);
}

.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(201, 161, 74, 0.4);
}

.btn-dark {
    background: var(--primary-dark);
    color: #ffffff;
}

.btn-dark:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

.btn-outline-light {
    background: transparent;
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #ffffff;
    transform: translateY(-2px);
}

.btn-light {
    background: #ffffff;
    color: var(--primary-dark);
}

.btn-light:hover {
    background: var(--accent-light);
    color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 255, 255, 0.25);
}

.nav-toggle {
    display: none;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #ffffff;
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    font-size: 18px;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.nav-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ===== Article Banner ===== */
.article-banner {
    margin: 24px 24px 0;
    padding: 76px 0 64px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: var(--radius-lg);
    position: relative;
    text-align: center;
    color: #ffffff;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.article-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 28, 46, 0.9) 0%, rgba(30, 58, 95, 0.65) 60%, rgba(45, 90, 142, 0.4) 100%);
    border-radius: var(--radius-lg);
}

.article-banner .container {
    position: relative;
    z-index: 2;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 24px;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.9);
    transition: var(--transition);
}

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

.breadcrumb-divider {
    color: rgba(255, 255, 255, 0.4);
}

.banner-title {
    font-size: 38px;
    font-weight: 800;
    line-height: 1.3;
    max-width: 800px;
    margin: 0 auto 20px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    letter-spacing: 1px;
}

.article-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.12);
    padding: 6px 16px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(4px);
}

.meta-item i {
    color: var(--accent-light);
}

/* ===== Article Section ===== */
.article-section {
    padding: var(--space-lg) 24px;
}

.article-body {
    max-width: 860px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 56px 64px;
    border: 1px solid rgba(226, 232, 240, 0.6);
}

.article-header {
    border-bottom: 1px solid var(--border);
    padding-bottom: 28px;
    margin-bottom: 36px;
}

.article-title {
    font-size: 30px;
    font-weight: 800;
    color: var(--primary-dark);
    line-height: 1.35;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.article-content {
    font-size: 16px;
    line-height: 1.9;
    color: var(--text);
}

.article-content h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-dark);
    margin: 32px 0 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent);
    display: inline-block;
}

.article-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-dark);
    margin: 28px 0 12px;
}

.article-content h4 {
    font-size: 17px;
    font-weight: 600;
    color: var(--primary);
    margin: 24px 0 10px;
}

.article-content p {
    margin-bottom: 16px;
}

.article-content a {
    color: var(--primary-light);
    border-bottom: 1px solid rgba(45, 90, 142, 0.3);
}

.article-content a:hover {
    color: var(--accent-dark);
    border-bottom-color: var(--accent);
}

.article-content ul,
.article-content ol {
    margin: 0 0 20px 24px;
}

.article-content li {
    margin-bottom: 8px;
}

.article-content img {
    border-radius: var(--radius);
    margin: 24px auto;
    box-shadow: var(--shadow);
}

.article-content blockquote {
    border-left: 4px solid var(--accent);
    background: var(--bg-alt);
    padding: 18px 24px;
    margin: 24px 0;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-weak);
    font-style: italic;
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.article-content th,
.article-content td {
    border: 1px solid var(--border);
    padding: 12px 16px;
    text-align: left;
}

.article-content th {
    background: var(--primary);
    color: #ffffff;
    font-weight: 600;
}

.article-content tr:nth-child(even) {
    background: var(--bg-alt);
}

.article-footer {
    margin-top: 36px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.article-tags {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.tag-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-weak);
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 30px;
    padding: 5px 14px;
    font-size: 13px;
    color: var(--primary);
    transition: var(--transition);
}

.tag:hover {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
}

.article-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.text-link {
    color: var(--primary);
    font-weight: 500;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.text-link:hover {
    color: var(--accent-dark);
    gap: 12px;
}

/* ===== Empty State ===== */
.article-empty {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 64px 40px;
    border: 1px solid var(--border);
}

.empty-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 32px;
    color: var(--text-weak);
}

.article-empty h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 12px;
}

.article-empty p {
    color: var(--text-weak);
    margin-bottom: 28px;
    font-size: 15px;
}

/* ===== Related Section ===== */
.related-section {
    padding: 0 24px var(--space-lg);
}

.section-head {
    text-align: center;
    margin-bottom: 44px;
}

.section-head h2 {
    font-size: 30px;
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.section-head p {
    color: var(--text-weak);
    font-size: 15px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.related-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid rgba(226, 232, 240, 0.6);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.related-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.related-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.related-body {
    padding: 20px 24px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.related-body h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.related-body p {
    font-size: 14px;
    color: var(--text-weak);
    flex: 1;
    margin-bottom: 16px;
}

/* ===== FAQ ===== */
.faq-section {
    padding: var(--space-lg) 24px;
    background: var(--white);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    gap: 14px;
}

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

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

.faq-item summary {
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-dark);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    transition: var(--transition);
}

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

.faq-item summary::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--accent);
    font-size: 14px;
    transition: var(--transition);
    flex-shrink: 0;
}

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

.faq-item summary:hover {
    color: var(--accent-dark);
}

.faq-item p {
    padding: 0 24px 20px;
    color: var(--text-weak);
    font-size: 15px;
    line-height: 1.8;
    border-top: 1px dashed var(--border);
    margin-top: -6px;
    padding-top: 18px;
}

/* ===== CTA Section ===== */
.cta-section {
    padding: var(--space-lg) 24px;
}

.cta-box {
    max-width: var(--container);
    margin: 0 auto;
    background: linear-gradient(135deg, #0f1c2e 0%, #1e3a5f 50%, #2d5a8e 100%);
    border-radius: var(--radius-lg);
    padding: 56px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '\f51e';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 140px;
    color: rgba(255, 255, 255, 0.05);
    position: absolute;
    right: -20px;
    top: -30px;
    transform: rotate(-15deg);
    pointer-events: none;
}

.cta-info {
    flex: 1;
    min-width: 260px;
    position: relative;
    z-index: 1;
}

.cta-info h2 {
    font-size: 28px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.cta-info p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 15px;
}

.cta-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 64px 24px 28px;
    margin-top: var(--space-lg);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    max-width: var(--container);
    margin: 0 auto;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .brand-logo {
    font-size: 22px;
    margin-bottom: 16px;
    display: inline-flex;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.6);
    max-width: 360px;
}

.footer-col h4 {
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 32px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}

.footer-col a {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    margin-bottom: 12px;
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--accent-light);
    padding-left: 6px;
}

.footer-bottom {
    max-width: var(--container);
    margin: 24px auto 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
}

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

.footer-bottom a:hover {
    color: var(--accent-light);
}

/* ===== Reading Progress ===== */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(to right, var(--accent), var(--primary-light));
    z-index: 9999;
    border-radius: 0 3px 3px 0;
    transition: width 0.1s ease-out;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .related-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }

    .article-body {
        padding: 40px 32px;
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
        position: absolute;
        top: calc(100% + 10px);
        left: 12px;
        right: 12px;
        background: var(--primary-dark);
        border-radius: var(--radius);
        padding: 12px;
        flex-direction: column;
        align-items: stretch;
        box-shadow: var(--shadow-lg);
        gap: 6px;
    }

    .main-nav.open {
        display: flex;
    }

    .nav-link {
        justify-content: center;
        padding: 12px;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .header-inner {
        padding: 12px 16px;
    }

    .brand-logo {
        font-size: 18px;
    }

    .banner-title {
        font-size: 28px;
    }

    .article-banner {
        padding: 56px 0 48px;
        margin: 16px 16px 0;
    }

    .article-body {
        padding: 32px 24px;
    }

    .article-title {
        font-size: 24px;
    }

    .related-grid {
        grid-template-columns: 1fr;
        max-width: 420px;
        margin: 0 auto;
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    .cta-box {
        padding: 40px 28px;
        flex-direction: column;
        text-align: center;
    }

    .cta-actions {
        justify-content: center;
    }

    .article-meta {
        gap: 12px;
    }
}

@media (max-width: 520px) {
    .site-header {
        padding: 12px 12px 0;
    }

    .header-inner {
        padding: 10px 14px;
        gap: 8px;
    }

    .brand-logo {
        font-size: 16px;
        gap: 6px;
    }

    .brand-logo i {
        font-size: 20px;
    }

    .nav-actions .btn-primary {
        padding: 8px 14px;
        font-size: 13px;
    }

    .main-nav {
        left: 8px;
        right: 8px;
    }

    .article-banner {
        margin: 12px 12px 0;
        padding: 44px 0 40px;
    }

    .banner-title {
        font-size: 22px;
    }

    .breadcrumb {
        font-size: 12px;
    }

    .article-meta {
        flex-direction: column;
        gap: 8px;
    }

    .meta-item {
        font-size: 12px;
        padding: 4px 12px;
    }

    .article-section {
        padding: 48px 12px;
    }

    .article-body {
        padding: 24px 16px;
        border-radius: 16px;
    }

    .article-title {
        font-size: 20px;
    }

    .article-content {
        font-size: 15px;
    }

    .article-content h2 {
        font-size: 20px;
    }

    .article-content h3 {
        font-size: 18px;
    }

    .article-footer {
        flex-direction: column;
    }

    .article-nav {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .related-section {
        padding: 0 12px 48px;
    }

    .faq-section {
        padding: 48px 12px;
    }

    .faq-item summary {
        padding: 16px 16px;
        font-size: 15px;
    }

    .faq-item p {
        padding: 0 16px 16px;
    }

    .cta-section {
        padding: 48px 12px;
    }

    .cta-box {
        padding: 32px 20px;
        gap: 20px;
    }

    .cta-info h2 {
        font-size: 22px;
    }

    .cta-actions .btn {
        padding: 9px 16px;
        font-size: 13px;
        width: 100%;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .site-footer {
        padding: 48px 16px 20px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* roulang page: category2 */
:root{
  --primary:#16213e;
  --primary-600:#1e2a4a;
  --primary-700:#0f1728;
  --accent:#d4a853;
  --accent-600:#c99a3f;
  --accent-100:#f3e8cf;
  --bg:#f5f7fb;
  --surface:#ffffff;
  --text:#1c2333;
  --text-light:#5f6b7f;
  --border:#e3e8f0;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 6px 24px rgba(15,23,42,.06);
  --shadow-hover:0 14px 36px rgba(15,23,42,.12);
  --transition:all .25s ease;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:var(--transition)}
img{max-width:100%;display:block}
button{font-family:inherit;border:none;background:none;cursor:pointer}
input,textarea{font-family:inherit}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 12px rgba(15,23,42,.04);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:74px;gap:28px;
}
.brand-logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:22px;font-weight:800;color:var(--primary);white-space:nowrap;
}
.brand-logo i{color:var(--accent);font-size:24px}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  padding:10px 16px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:500;color:var(--text-light);position:relative;
}
.nav-link:hover{color:var(--primary);background:var(--accent-100)}
.nav-link.active{color:var(--primary);font-weight:600;background:var(--accent-100)}
.nav-link.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;
  background:var(--accent);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:14px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 26px;border-radius:100px;font-size:15px;font-weight:600;
  transition:var(--transition);cursor:pointer;line-height:1.2;
}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),var(--accent-600));
  color:var(--primary-700);box-shadow:0 4px 16px rgba(212,168,83,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(212,168,83,.45)}
.btn-outline{
  border:1.5px solid rgba(255,255,255,.7);color:#fff;
}
.btn-outline:hover{background:rgba(255,255,255,.15);border-color:#fff}
.nav-toggle{display:none;font-size:20px;color:var(--text);padding:8px;border-radius:8px;transition:var(--transition)}
.nav-toggle:hover{background:var(--accent-100)}

/* Hero */
.page-hero{
  position:relative;background-size:cover;background-position:center;
  padding:110px 0 100px;color:#fff;overflow:hidden;
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(10,16,32,.82) 0%,rgba(22,33,62,.58) 100%);
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;opacity:.85;margin-bottom:26px;flex-wrap:wrap}
.breadcrumb i{font-size:11px;opacity:.7}
.breadcrumb a:hover{color:var(--accent)}
.hero-flag{
  display:inline-block;padding:5px 16px;border:1px solid rgba(212,168,83,.65);
  border-radius:100px;color:var(--accent);font-size:12px;letter-spacing:2px;margin-bottom:16px;
  background:rgba(212,168,83,.08);
}
.page-hero h1{font-size:46px;font-weight:800;line-height:1.25;letter-spacing:1px}
.page-hero .hero-sub{font-size:17px;color:rgba(255,255,255,.88);margin-top:10px;max-width:640px}

/* Section */
.section{padding:84px 0}
.section-head{text-align:center;max-width:640px;margin:0 auto 48px}
.section-tag{
  display:inline-block;padding:5px 16px;background:var(--accent-100);color:var(--accent-600);
  border-radius:100px;font-size:13px;font-weight:600;letter-spacing:1px;margin-bottom:12px;
}
.section-head h2{font-size:32px;font-weight:800;color:var(--primary);line-height:1.3}
.section-head p{font-size:15px;color:var(--text-light);margin-top:10px}

/* Category Tabs */
.tabs-wrap{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:48px}
.tab-btn{
  padding:10px 28px;border-radius:100px;font-size:15px;font-weight:500;
  border:1.5px solid var(--border);background:var(--surface);color:var(--text-light);
  transition:var(--transition);
}
.tab-btn:hover{border-color:var(--accent);color:var(--accent-600)}
.tab-btn.active{
  background:var(--primary);color:#fff;border-color:var(--primary);
  box-shadow:0 6px 18px rgba(22,33,62,.22);
}

/* Game Cards */
.game-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.game-card{
  background:var(--surface);border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--shadow);
  transition:var(--transition);
}
.game-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:transparent}
.game-cover{position:relative;overflow:hidden;aspect-ratio:16/10}
.game-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.game-card:hover .game-cover img{transform:scale(1.05)}
.game-badge{
  position:absolute;top:14px;left:14px;padding:5px 14px;
  background:rgba(15,23,40,.72);backdrop-filter:blur(6px);
  color:#fff;font-size:12px;font-weight:600;border-radius:100px;
  border:1px solid rgba(255,255,255,.2);
}
.game-info{padding:22px 24px 24px}
.game-info h3{font-size:20px;font-weight:700;color:var(--primary);margin-bottom:6px}
.game-info p{font-size:14px;color:var(--text-light);line-height:1.65;margin-bottom:14px}
.game-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.game-tags span{
  padding:4px 12px;background:var(--bg);border-radius:100px;
  font-size:12px;color:var(--text-light);border:1px solid var(--border);
}
.game-meta{display:flex;align-items:center;justify-content:space-between}
.hot{font-size:13px;font-weight:600;color:#e05b4c;display:inline-flex;align-items:center;gap:5px}
.hot i{font-size:13px}
.btn-sm{padding:8px 18px;font-size:13px;background:var(--primary);color:#fff;border-radius:100px}
.btn-sm:hover{background:var(--accent-600);color:var(--primary-700);transform:translateY(-1px)}

/* Guide Section */
.section-alt{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.guide-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:36px;align-items:start}
.guide-list{display:flex;flex-direction:column;gap:18px}
.guide-item{
  display:flex;gap:18px;padding:22px;border-radius:var(--radius);
  border:1px solid var(--border);background:var(--bg);transition:var(--transition);
}
.guide-item:hover{border-color:var(--accent);box-shadow:var(--shadow)}
.guide-num{
  flex:0 0 54px;height:54px;border-radius:14px;background:var(--primary);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;
}
.guide-body h4{font-size:17px;font-weight:700;color:var(--primary);margin-bottom:4px}
.guide-body p{font-size:14px;color:var(--text-light);line-height:1.65}
.guide-link{display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:600;color:var(--accent-600);margin-top:6px}
.guide-link:hover{color:var(--primary);gap:8px}

/* Rank Sidebar */
.rank-sidebar{
  background:linear-gradient(160deg,var(--primary) 0%,var(--primary-600) 100%);
  border-radius:var(--radius);padding:30px;color:#fff;box-shadow:var(--shadow-hover);
}
.rank-sidebar h3{
  font-size:20px;font-weight:700;margin-bottom:22px;display:flex;align-items:center;gap:10px;
  border-bottom:1px solid rgba(255,255,255,.15);padding-bottom:14px;
}
.rank-sidebar h3 i{color:var(--accent)}
.rank-list{list-style:none;display:flex;flex-direction:column;gap:16px}
.rank-list li{
  display:flex;align-items:center;gap:12px;
  padding:12px 14px;border-radius:12px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.07);
  transition:var(--transition);
}
.rank-list li:hover{background:rgba(212,168,83,.12);border-color:rgba(212,168,83,.3)}
.rank-no{
  flex:0 0 32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;background:rgba(255,255,255,.08);color:#fff;
}
.rank-no.top1{background:var(--accent);color:var(--primary-700)}
.rank-no.top2{background:#c0c0c0;color:#333}
.rank-no.top3{background:#cd7f32;color:#fff}
.rank-info{flex:1}
.rank-info strong{display:block;font-size:15px}
.rank-info span{font-size:12px;color:rgba(255,255,255,.6)}
.rank-val{font-size:14px;font-weight:700;color:var(--accent)}

/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{
  background:var(--surface);border-radius:var(--radius);padding:34px 24px;text-align:center;
  border:1px solid var(--border);box-shadow:var(--shadow);transition:var(--transition);
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.stat-icon{width:56px;height:56px;border-radius:14px;background:var(--accent-100);color:var(--accent-600);display:flex;align-items:center;justify-content:center;font-size:24px;margin:0 auto 14px}
.stat-num{font-size:36px;font-weight:800;color:var(--primary);line-height:1.2}
.stat-card p{font-size:14px;color:var(--text-light);margin-top:4px}

/* FAQ */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;transition:var(--transition);
}
.faq-item:hover{border-color:var(--accent)}
.faq-item.open{box-shadow:var(--shadow)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--text);text-align:left;
}
.faq-q i{font-size:14px;color:var(--accent-600);transition:transform .3s ease}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:max-height .35s ease, padding .35s ease;color:var(--text-light);font-size:15px;line-height:1.7}
.faq-item.open .faq-a{max-height:220px;padding:0 24px 22px}

/* CTA */
.cta-section{
  position:relative;background-size:cover;background-position:center;padding:90px 0;color:#fff;text-align:center;
}
.cta-overlay{
  position:absolute;inset:0;background:linear-gradient(135deg,rgba(15,23,40,.9),rgba(30,42,74,.72));
}
.cta-section .container{position:relative;z-index:2}
.cta-section h2{font-size:34px;font-weight:800;margin-bottom:10px}
.cta-section p{font-size:16px;color:rgba(255,255,255,.8);margin-bottom:28px}
.btn-lg{padding:15px 42px;font-size:16px;border-radius:100px}
.cta-note{font-size:13px;color:rgba(255,255,255,.55);margin-top:16px}

/* Footer */
.site-footer{
  background:var(--primary-700);color:rgba(255,255,255,.7);padding:70px 0 0;
}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:46px}
.footer-brand .brand-logo{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;max-width:360px}
.footer-col h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:16px}
.footer-col{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.6);transition:var(--transition)}
.footer-col a:hover{color:var(--accent);padding-left:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.4);flex-wrap:wrap;gap:8px;
}
.footer-bottom a:hover{color:var(--accent)}

/* Responsive */
@media(max-width:1024px){
  .game-grid{grid-template-columns:repeat(2,1fr)}
  .guide-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .hero-sub{font-size:15px}
}
@media(max-width:768px){
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:absolute;top:74px;left:16px;right:16px;
    flex-direction:column;background:var(--surface);border-radius:var(--radius);
    box-shadow:var(--shadow-hover);border:1px solid var(--border);
    padding:14px;display:none;gap:4px;
  }
  .main-nav.show{display:flex}
  .nav-link{padding:13px 16px;border-radius:10px}
  .nav-link.active::after{left:16px;right:auto;width:24px}
  .header-inner{gap:12px}
  .nav-actions .btn-primary{padding:10px 18px;font-size:14px}
  .page-hero{padding:80px 0 68px}
  .page-hero h1{font-size:34px}
  .section{padding:60px 0}
  .section-head h2{font-size:28px}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1/-1}
}
@media(max-width:520px){
  .game-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr;gap:14px}
  .stat-card{padding:22px 14px}
  .stat-num{font-size:28px}
  .guide-item{flex-direction:column;gap:12px}
  .page-hero h1{font-size:28px}
  .section-head h2{font-size:24px}
  .footer-top{grid-template-columns:1fr;gap:22px}
  .footer-bottom{flex-direction:column;text-align:center}
  .tab-btn{padding:8px 18px;font-size:14px}
  .btn-lg{padding:13px 32px;font-size:15px}
}

/* roulang page: category3 */
:root {
            --primary: #c9a24b;
            --primary-dark: #a88332;
            --primary-light: #e8d5a1;
            --secondary: #1b2a3a;
            --secondary-light: #2a3d52;
            --bg: #f7f5f0;
            --bg-alt: #f0ece4;
            --card: #ffffff;
            --text: #1f2937;
            --text-muted: #6b7280;
            --border: #e8e5df;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
            --container: 1200px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        input {
            font-family: inherit;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: var(--secondary);
            flex-shrink: 0;
        }
        .brand-logo i {
            background: linear-gradient(135deg, var(--primary), #e8c96a);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            font-size: 26px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0 auto;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-muted);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--primary-dark);
            background: rgba(201, 162, 75, 0.1);
        }
        .nav-link.active {
            color: var(--primary-dark);
            background: rgba(201, 162, 75, 0.15);
            font-weight: 700;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 15px;
            border: 2px solid transparent;
            transition: var(--transition);
            line-height: 1.4;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), #ddba5e);
            color: #fff;
            box-shadow: 0 4px 14px rgba(201, 162, 75, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 162, 75, 0.45);
            color: #fff;
        }
        .btn-outline {
            border-color: var(--primary);
            color: var(--primary-dark);
            background: transparent;
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(201, 162, 75, 0.3);
        }
        .btn-dark {
            background: var(--secondary);
            color: #fff;
        }
        .btn-dark:hover {
            background: var(--secondary-light);
            transform: translateY(-2px);
        }
        .btn-light {
            background: #fff;
            color: var(--secondary);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
        }
        .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
            color: var(--primary-dark);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--secondary);
            padding: 8px;
            border-radius: 8px;
        }
        .page-hero {
            position: relative;
            padding: 120px 0 100px;
            background: linear-gradient(135deg, rgba(27, 42, 58, 0.88), rgba(27, 42, 58, 0.72)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 0;
            right: 0;
            height: 120px;
            background: rgba(255, 255, 255, 0.04);
            transform: skewY(-2deg);
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 1px;
            color: var(--primary-light);
            margin-bottom: 24px;
        }
        .hero-title {
            font-size: clamp(32px, 5vw, 56px);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .hero-title span {
            background: linear-gradient(135deg, var(--primary-light), #f0d68a);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-subtitle {
            font-size: clamp(16px, 1.5vw, 18px);
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .section {
            padding: 90px 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-header .overline {
            display: inline-block;
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 3px;
            text-transform: uppercase;
            color: var(--primary-dark);
            background: rgba(201, 162, 75, 0.1);
            padding: 6px 18px;
            border-radius: 999px;
            margin-bottom: 14px;
        }
        .section-header h2 {
            font-size: clamp(26px, 3vw, 38px);
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }
        .promo-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .promo-card {
            background: var(--card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .promo-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(201, 162, 75, 0.3);
        }
        .promo-card-img {
            position: relative;
            height: 180px;
            overflow: hidden;
        }
        .promo-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .promo-card:hover .promo-card-img img {
            transform: scale(1.05);
        }
        .promo-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(27, 42, 58, 0.85);
            color: var(--primary-light);
            font-size: 13px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(4px);
        }
        .promo-card-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .promo-card-body h3 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--secondary);
        }
        .promo-card-body p {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 20px;
        }
        .promo-price {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 16px;
        }
        .promo-price small {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            margin-left: 6px;
        }
        .promo-card-body .btn {
            width: 100%;
        }
        .stats-section {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            color: #fff;
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            background: rgba(201, 162, 75, 0.1);
            border-radius: 50%;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }
        .stat-item {
            text-align: center;
            padding: 30px 20px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }
        .stat-icon {
            font-size: 32px;
            color: var(--primary-light);
            margin-bottom: 14px;
        }
        .stat-number {
            font-size: clamp(28px, 3vw, 40px);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 6px;
            background: linear-gradient(135deg, #f0d68a, var(--primary));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }
        .promo-list-section {
            background: var(--bg);
        }
        .promo-list-wrap {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .promo-list-item {
            display: flex;
            gap: 20px;
            background: var(--card);
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .promo-list-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(201, 162, 75, 0.25);
        }
        .promo-list-icon {
            width: 60px;
            height: 60px;
            flex-shrink: 0;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(201, 162, 75, 0.15), rgba(201, 162, 75, 0.05));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary-dark);
        }
        .promo-list-content {
            flex: 1;
        }
        .promo-list-content h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 6px;
        }
        .promo-list-content p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 10px;
        }
        .promo-list-content a {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .promo-list-content a:hover {
            gap: 10px;
        }
        .steps-section {
            background: var(--bg-alt);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .steps-grid::before {
            content: '';
            position: absolute;
            top: 50px;
            left: 80px;
            right: 80px;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), rgba(201, 162, 75, 0.1));
            z-index: 0;
        }
        .step-item {
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 0 10px;
        }
        .step-number {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), #ddba5e);
            color: #fff;
            font-size: 24px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 20px rgba(201, 162, 75, 0.35);
        }
        .step-item h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 10px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 240px;
            margin: 0 auto;
        }
        .faq-section {
            background: var(--bg);
        }
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(201, 162, 75, 0.3);
        }
        .faq-item details {
            padding: 0;
        }
        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 22px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--secondary);
            cursor: pointer;
            list-style: none;
            transition: var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            background: rgba(201, 162, 75, 0.03);
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 14px;
            color: var(--primary-dark);
            transition: transform 0.3s ease;
        }
        .faq-item details[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 28px 22px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            border-top: 1px dashed var(--border);
            padding-top: 18px;
        }
        .cta-section {
            position: relative;
            padding: 100px 0;
            background: linear-gradient(rgba(27, 42, 58, 0.85), rgba(27, 42, 58, 0.85)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            color: #fff;
            text-align: center;
        }
        .cta-section h2 {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 30px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 50px;
        }
        .footer-brand .brand-logo {
            color: #fff;
            font-size: 24px;
            margin-bottom: 16px;
        }
        .footer-brand .brand-logo i {
            background: linear-gradient(135deg, var(--primary-light), #f0d68a);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 340px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 2px;
            background: var(--primary);
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            padding: 6px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 8px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }
        @media (max-width: 1024px) {
            .promo-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 40px;
            }
            .steps-grid::before {
                display: none;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px;
                gap: 4px;
                box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
                display: none;
                border-top: 1px solid var(--border);
                border-radius: 0 0 20px 20px;
                z-index: 999;
            }
            .main-nav.active {
                display: flex;
            }
            .nav-link {
                padding: 14px 20px;
                font-size: 16px;
                border-radius: 12px;
            }
            .nav-toggle {
                display: block;
            }
            .nav-actions .btn-primary {
                display: none;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 60px 0;
            }
            .page-hero {
                padding: 80px 0 60px;
            }
            .promo-grid {
                grid-template-columns: 1fr;
            }
            .promo-list-wrap {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .promo-list-item {
                flex-direction: column;
                text-align: left;
                padding: 20px;
            }
            .promo-list-icon {
                width: 48px;
                height: 48px;
                font-size: 20px;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                height: 64px;
                gap: 10px;
            }
            .brand-logo {
                font-size: 18px;
            }
            .brand-logo i {
                font-size: 20px;
            }
            .nav-actions {
                gap: 8px;
            }
            .nav-toggle {
                font-size: 20px;
            }
            .page-hero {
                padding: 60px 0 50px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
                padding: 0 24px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item {
                padding: 20px 12px;
            }
            .stat-number {
                font-size: 24px;
            }
            .section-header {
                margin-bottom: 36px;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .cta-section {
                padding: 60px 0;
            }
            .cta-actions {
                flex-direction: column;
                align-items: stretch;
                padding: 0 24px;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .faq-item summary {
                padding: 18px 20px;
                font-size: 15px;
            }
            .faq-answer {
                padding: 0 20px 18px;
                font-size: 14px;
            }
            .footer-top {
                gap: 24px;
            }
            .promo-grid {
                gap: 16px;
            }
            .promo-card-body {
                padding: 18px;
            }
        }