/* roulang page: index */
:root {
            --brand-primary: #1a2b4a;
            --brand-secondary: #c9a96e;
            --bg-light: #f8f7f4;
            --text-primary: #1f2937;
            --text-secondary: #6b7280;
            --border-light: #e5e7eb;
            --radius-lg: 1rem;
            --radius-md: 0.75rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);
        }
        * { 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-light);
            color: var(--text-primary);
            line-height: 1.6;
        }
        a { text-decoration: none; color: inherit; }
        img { max-width: 100%; display: block; }
        button { cursor: pointer; font-family: inherit; }
        input { font-family: inherit; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 1.25rem; }
        .site-header { position: sticky; top: 0; z-index: 50; background: #fff; box-shadow: 0 1px 6px rgba(26, 43, 74, 0.08); }
        .brand-bar { border-bottom: 1px solid var(--border-light); background: #fff; }
        .brand-bar .container { display: flex; align-items: center; justify-content: space-between; height: 56px; }
        .logo { font-size: 1.35rem; font-weight: 800; letter-spacing: .02em; color: var(--brand-primary); }
        .logo span { color: var(--brand-secondary); }
        .brand-tagline { font-size: .85rem; color: var(--text-secondary); }
        .brand-email { font-size: .85rem; color: var(--text-secondary); transition: color .2s; }
        .brand-email:hover { color: var(--brand-primary); }
        .channel-nav { background: #fff; }
        .channel-nav .container { display: flex; align-items: center; height: 50px; }
        .nav-list { display: flex; gap: 2px; list-style: none; overflow-x: auto; scrollbar-width: none; }
        .nav-list::-webkit-scrollbar { display: none; }
        .nav-link {
            display: block; padding: .55rem 1rem; border-radius: var(--radius-md);
            font-size: .92rem; font-weight: 500; color: var(--text-primary); white-space: nowrap;
            transition: background .2s, color .2s;
        }
        .nav-link:hover { background: var(--bg-light); color: var(--brand-primary); }
        .nav-link.active { background: var(--brand-primary); color: #fff; }
        .nav-cta { margin-left: auto; display: flex; gap: .5rem; }
        .nav-cta a {
            display: inline-flex; align-items: center; gap: .35rem;
            padding: .45rem .9rem; border-radius: var(--radius-md);
            font-size: .85rem; font-weight: 500; transition: all .2s;
        }
        .btn-outline { border: 1px solid var(--border-light); color: var(--text-primary); }
        .btn-outline:hover { border-color: var(--brand-primary); color: var(--brand-primary); }
        .btn-solid { background: var(--brand-primary); color: #fff; }
        .btn-solid:hover { background: var(--brand-primary); box-shadow: var(--shadow-md); }
        .site-footer { background: var(--brand-primary); color: #dfe4ea; padding: 60px 0 24px; }
        .site-footer h4 { color: #fff; font-size: 1rem; font-weight: 600; margin-bottom: 1rem; }
        .site-footer .footer-links li { margin-bottom: .6rem; }
        .site-footer .footer-links a { color: #aeb9c7; font-size: .9rem; transition: color .2s; }
        .site-footer .footer-links a:hover { color: var(--brand-secondary); }
        .footer-copyright { border-top: 1px solid rgba(255, 255, 255, 0.1); margin-top: 40px; padding-top: 20px; text-align: center; font-size: .85rem; color: #8f9fae; }
        .card-hover { transition: transform .25s, box-shadow .25s; }
        .card-hover:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
        .section-title { font-size: 1.75rem; font-weight: 800; color: var(--brand-primary); }
        .section-subtitle { font-size: .95rem; color: var(--text-secondary); margin-top: .35rem; }
        .badge { display: inline-block; padding: .25rem .75rem; border-radius: 999px; font-size: .75rem; font-weight: 600; }
        .badge-brand { background: rgba(26, 43, 74, 0.08); color: var(--brand-primary); }
        .badge-gold { background: rgba(201, 169, 110, 0.15); color: #97723e; }
        .faq-item {
            background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius-lg);
            padding: 1.25rem 1.5rem; transition: border-color .2s, box-shadow .2s;
        }
        .faq-item:hover { border-color: var(--brand-secondary); box-shadow: var(--shadow-sm); }
        .faq-item h3 { font-size: 1rem; font-weight: 600; color: var(--brand-primary); margin-bottom: .4rem; }
        .faq-item p { font-size: .9rem; color: var(--text-secondary); line-height: 1.65; }
        .cta-banner {
            background: linear-gradient(120deg, var(--brand-primary), #2a3f66);
            border-radius: var(--radius-lg); position: relative; overflow: hidden;
        }
        .cta-banner::after {
            content: ''; position: absolute; top: -30%; right: -20%; width: 340px; height: 340px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.12) 0%, transparent 70%);
            border-radius: 50%;
        }
        .hero-bg { position: relative; background-size: cover; background-position: center; }
        .hero-bg::before { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10, 18, 30, 0.78) 0%, rgba(10, 18, 30, 0.45) 55%, rgba(10, 18, 30, 0.2) 100%); }
        .hero-content { position: relative; z-index: 2; padding: 5rem 0; }
        @media (max-width: 1024px) {
            .hero-content { padding: 3.5rem 0; }
            .nav-cta { display: none; }
        }
        @media (max-width: 768px) {
            .brand-tagline { display: none; }
            .hero-content { padding: 2.5rem 0; }
            .section-title { font-size: 1.4rem; }
            .brand-bar .container { height: 50px; }
            .channel-nav .container { height: 46px; }
        }
        @media (max-width: 520px) {
            .nav-link { padding: .5rem .7rem; font-size: .85rem; }
            .hero-content h1 { font-size: 1.8rem; }
        }

/* roulang page: category1 */
:root {
            --brand-primary: #0c1f33;
            --brand-secondary: #1d3b5c;
            --gold: #c9a84c;
            --gold-light: #e9cd7e;
            --bg-section: #f4f7fb;
            --text-main: #233040;
            --text-muted: #5d6b7f;
            --border-soft: #e5ebf1;
            --radius: 18px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.10);
            --transition-base: 0.25s ease;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-main);
            background: #ffffff;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .section {
            padding: 88px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--gold);
            background: rgba(201, 168, 76, 0.10);
            padding: 6px 16px;
            border-radius: 999px;
            border: 1px solid rgba(201, 168, 76, 0.22);
            margin-bottom: 18px;
        }

        .section h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: var(--brand-primary);
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.75;
            margin-bottom: 40px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: #ffffff;
            box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04), 0 4px 20px rgba(0, 0, 0, 0.04);
        }

        .brand-bar {
            background: var(--brand-primary);
            padding: 12px 0;
        }

        .brand-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .logo {
            font-size: 24px;
            font-weight: 900;
            letter-spacing: -0.02em;
            color: #ffffff;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .logo::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 2px;
            background: var(--gold);
            display: inline-block;
            transform: rotate(45deg);
        }

        .brand-tagline {
            color: rgba(255, 255, 255, 0.78);
            font-size: 14px;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .channel-nav {
            background: #ffffff;
            border-bottom: 1px solid #eef1f5;
        }

        .channel-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding-top: 0;
            padding-bottom: 0;
        }

        .nav-list {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            flex: 1;
        }

        .nav-list::-webkit-scrollbar {
            display: none;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 16px 18px;
            font-size: 15px;
            font-weight: 600;
            color: #3d4c5f;
            border-bottom: 3px solid transparent;
            white-space: nowrap;
            transition: color 0.2s, border-color 0.2s;
        }

        .nav-link:hover {
            color: var(--brand-primary);
        }

        .nav-link.active {
            color: var(--brand-primary);
            border-bottom-color: var(--gold);
        }

        .nav-cta {
            flex-shrink: 0;
            display: flex;
            align-items: center;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-primary);
            border: 1.5px solid var(--brand-primary);
            border-radius: 999px;
            padding: 8px 20px;
            transition: background 0.2s, color 0.2s, box-shadow 0.2s;
        }

        .btn-outline:hover {
            background: var(--brand-primary);
            color: #ffffff;
            box-shadow: 0 4px 12px rgba(12, 31, 51, 0.2);
        }

        /* ===== Hero ===== */
        .page-hero {
            background-size: cover;
            background-position: center;
            padding: 100px 0 90px;
            position: relative;
            isolation: isolate;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(8, 20, 35, 0.88), rgba(12, 31, 51, 0.72));
            z-index: -1;
        }

        .page-hero .container {
            text-align: center;
        }

        .page-hero h1 {
            font-size: 46px;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            margin: 12px 0 18px;
            letter-spacing: -0.02em;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
        }

        .hero-desc {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.82);
            max-width: 680px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            margin-bottom: 32px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--gold);
            color: var(--brand-primary);
            font-weight: 700;
            font-size: 15px;
            padding: 14px 30px;
            border-radius: 999px;
            box-shadow: 0 8px 24px rgba(201, 168, 76, 0.35);
            transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(201, 168, 76, 0.45);
            background: var(--gold-light);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            border: 1.5px solid rgba(255, 255, 255, 0.65);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 30px;
            border-radius: 999px;
            transition: background 0.2s, border-color 0.2s;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #ffffff;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .hero-tags .tag {
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 13px;
            padding: 6px 16px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }

        /* ===== Feature / Core intro ===== */
        .feature-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 380px;
        }

        .feature-content ul {
            list-style: none;
            padding: 0;
            margin: 24px 0 0;
            display: grid;
            gap: 14px;
        }

        .feature-content ul li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 16px 18px;
            background: var(--bg-section);
            border-radius: 14px;
            border: 1px solid var(--border-soft);
            font-size: 15px;
            color: #344256;
            transition: box-shadow 0.2s;
        }

        .feature-content ul li:hover {
            box-shadow: var(--shadow-sm);
        }

        .feature-content ul li i {
            color: var(--gold);
            font-size: 18px;
            margin-top: 2px;
        }

        /* ===== Step Cards ===== */
        .step-card {
            background: #ffffff;
            border-radius: var(--radius);
            border: 1px solid var(--border-soft);
            padding: 32px 26px;
            position: relative;
            box-shadow: var(--shadow-sm);
            transition: transform 0.25s, box-shadow 0.25s;
            height: 100%;
        }

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

        .step-num {
            font-size: 14px;
            font-weight: 800;
            letter-spacing: 0.05em;
            color: var(--gold);
            background: rgba(201, 168, 76, 0.12);
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 18px;
        }

        .step-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--brand-primary);
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
        }

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

        .step-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== School Cards ===== */
        .school-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            transition: transform 0.25s, box-shadow 0.25s;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .school-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .school-card-image {
            height: 210px;
            overflow: hidden;
            position: relative;
        }

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

        .school-card:hover .school-card-image img {
            transform: scale(1.05);
        }

        .school-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(12, 31, 51, 0.82);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
            letter-spacing: 0.03em;
        }

        .school-card-body {
            padding: 24px 24px 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .school-card-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--brand-primary);
            margin: 0 0 8px;
        }

        .school-card-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0 0 18px;
            flex: 1;
        }

        .school-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .school-meta span {
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-secondary);
            background: rgba(29, 59, 92, 0.08);
            padding: 4px 12px;
            border-radius: 999px;
        }

        /* ===== Stats ===== */
        .stats-section {
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 90px 0;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(8, 18, 32, 0.92), rgba(16, 34, 54, 0.82));
        }

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

        .stats-section h2 {
            color: #fff;
            text-align: center;
        }

        .stats-section .section-subtitle {
            color: rgba(255, 255, 255, 0.72);
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .stat-item {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius);
            padding: 36px 20px;
            text-align: center;
            backdrop-filter: blur(6px);
            transition: background 0.2s, transform 0.2s;
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-3px);
        }

        .stat-num {
            font-size: 40px;
            font-weight: 900;
            color: var(--gold);
            line-height: 1.1;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
        }

        /* ===== Article List ===== */
        .article-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: #ffffff;
            border: 1px solid var(--border-soft);
            border-radius: 16px;
            padding: 20px 24px;
            transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
            margin-bottom: 14px;
        }

        .article-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
            border-color: rgba(201, 168, 76, 0.4);
        }

        .article-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(201, 168, 76, 0.12);
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
        }

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

        .article-info h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--brand-primary);
            margin: 0 0 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .article-info p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-date {
            flex-shrink: 0;
            font-size: 13px;
            color: #9aa8b8;
            background: #f1f5f9;
            padding: 4px 12px;
            border-radius: 999px;
            white-space: nowrap;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: 14px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow 0.2s;
        }

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

        .faq-item summary {
            padding: 22px 26px;
            font-size: 16px;
            font-weight: 600;
            color: var(--brand-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            list-style: none;
            position: relative;
        }

        .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(--gold);
            transition: transform 0.25s;
            flex-shrink: 0;
        }

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

        .faq-item .faq-body {
            padding: 0 26px 22px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            border-top: 1px solid #f0f3f7;
            padding-top: 16px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--brand-primary);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            right: -100px;
            bottom: -100px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(201, 168, 76, 0.12);
        }

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

        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin: 0 0 14px;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 30px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0a1727;
            padding: 60px 0 0;
            color: rgba(255, 255, 255, 0.72);
        }

        .site-footer h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: grid;
            gap: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color 0.2s;
        }

        .footer-links a:hover {
            color: var(--gold);
        }

        .footer-copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 22px 0;
            margin-top: 48px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.42);
        }

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

        .footer-copyright a:hover {
            color: var(--gold);
        }

        /* ===== Focus ===== */
        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 3px solid rgba(201, 168, 76, 0.6);
            outline-offset: 2px;
            border-radius: 6px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }
            .page-hero h1 {
                font-size: 38px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .section {
                padding: 68px 0;
            }
        }

        @media (max-width: 768px) {
            .brand-bar .container {
                flex-direction: column;
                text-align: center;
            }
            .brand-tagline {
                display: none;
            }
            .channel-nav .container {
                padding: 0 16px;
            }
            .nav-link {
                padding: 14px 14px;
                font-size: 14px;
            }
            .page-hero {
                padding: 70px 0 60px;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .section h2 {
                font-size: 27px;
            }
            .section-subtitle {
                font-size: 15px;
            }
            .nav-cta {
                display: none;
            }
            .footer-copyright {
                padding: 18px 12px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .section {
                padding: 54px 0;
            }
            .section-label {
                font-size: 13px;
                padding: 4px 12px;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .hero-desc {
                font-size: 14px;
                margin-bottom: 26px;
            }
            .btn-primary,
            .btn-ghost {
                width: 100%;
                justify-content: center;
                padding: 13px 20px;
                font-size: 14px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-num {
                font-size: 30px;
            }
            .article-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 18px;
            }
            .article-date {
                font-size: 12px;
            }
            .nav-link {
                padding: 12px 10px;
                font-size: 13px;
            }
            .feature-content ul li {
                padding: 14px;
                font-size: 14px;
            }
            .step-card {
                padding: 24px 20px;
            }
            .school-card-body {
                padding: 20px;
            }
            .faq-item summary {
                padding: 18px 20px;
                font-size: 15px;
            }
            .faq-item .faq-body {
                padding: 14px 20px 18px;
                font-size: 14px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                transition: none !important;
                scroll-behavior: auto;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1d4ed8;
            --primary-dark: #1e3a8a;
            --accent: #f59e0b;
            --bg-light: #f8fafc;
            --bg-white: #ffffff;
            --text-main: #0f172a;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --radius-lg: 1rem;
            --radius-xl: 1.5rem;
            --shadow-card: 0 4px 24px rgba(15, 23, 42, 0.08);
            --shadow-hover: 0 12px 32px rgba(29, 78, 216, 0.14);
            --transition-base: all 0.3s ease;
        }

        /* ===== Reset & Base ===== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg-light);
            color: var(--text-main);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: #ffffff;
            box-shadow: 0 2px 16px rgba(15, 23, 42, 0.06);
        }

        .brand-bar {
            border-bottom: 1px solid var(--border);
            background: linear-gradient(135deg, #f0f4ff 0%, #ffffff 50%, #fffbeb 100%);
        }

        .brand-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 0.75rem;
            padding-bottom: 0.75rem;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 50%, #f59e0b 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .brand-tagline {
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-muted);
            display: flex;
            align-items: center;
        }

        .channel-nav {
            background: #ffffff;
        }

        .channel-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
        }

        .nav-list {
            display: flex;
            list-style: none;
            gap: 0.5rem;
            flex: 1;
            flex-wrap: wrap;
            padding: 0.5rem 0;
        }

        .nav-link {
            display: inline-block;
            padding: 0.625rem 1.125rem;
            font-size: 0.9375rem;
            font-weight: 600;
            color: #475569;
            border-radius: 9999px;
            transition: var(--transition-base);
            position: relative;
        }

        .nav-link:hover {
            color: var(--primary);
            background: #eef2ff;
        }

        .nav-link.active {
            color: #ffffff;
            background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 100%);
            box-shadow: 0 4px 14px rgba(29, 78, 216, 0.3);
        }

        .nav-link.active::after {
            display: none;
        }

        .nav-cta {
            flex-shrink: 0;
            padding: 0.5rem 0;
        }

        .nav-cta .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1.25rem;
            border: 1.5px solid var(--border);
            border-radius: 9999px;
            font-size: 0.875rem;
            font-weight: 600;
            color: #374151;
            background: #ffffff;
            transition: var(--transition-base);
        }

        .nav-cta .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: 0 4px 12px rgba(29, 78, 216, 0.12);
            transform: translateY(-1px);
        }

        /* ===== Hero / Banner ===== */
        .page-hero {
            position: relative;
            padding: 5rem 0 4rem;
            background-image: linear-gradient(rgba(15, 23, 42, 0.72), rgba(15, 23, 42, 0.82)), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            color: #ffffff;
        }

        .page-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: #cbd5e1;
            margin-bottom: 1.25rem;
        }

        .page-hero .breadcrumb a {
            color: #cbd5e1;
        }

        .page-hero .breadcrumb a:hover {
            color: #fbbf24;
        }

        .page-hero h1 {
            font-size: 2.75rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }

        .page-hero .hero-desc {
            font-size: 1.125rem;
            color: #e2e8f0;
            max-width: 720px;
            margin-bottom: 1.75rem;
            line-height: 1.75;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            padding: 0.375rem 1rem;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: 9999px;
            font-size: 0.8125rem;
            font-weight: 500;
            backdrop-filter: blur(6px);
        }

        /* ===== Section Common ===== */
        .section-block {
            padding: 4.5rem 0;
        }

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

        .section-header {
            margin-bottom: 2.75rem;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.8125rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--primary);
            background: #eef2ff;
            border-radius: 9999px;
            padding: 0.25rem 0.875rem;
            margin-bottom: 0.875rem;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 0.625rem;
            color: var(--text-main);
        }

        .section-header p {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 680px;
            line-height: 1.75;
        }

        /* ===== Cards ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .travel-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }

        .travel-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: #c7d2fe;
        }

        .travel-card .card-image {
            overflow: hidden;
            position: relative;
            aspect-ratio: 16/10;
        }

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

        .travel-card:hover .card-image img {
            transform: scale(1.05);
        }

        .card-image .badge {
            position: absolute;
            top: 1rem;
            left: 1rem;
        }

        .travel-card .card-body {
            padding: 1.5rem;
        }

        .travel-card .card-body h3 {
            font-size: 1.1875rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }

        .travel-card .card-body p {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 1rem;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.8125rem;
            color: #94a3b8;
            border-top: 1px solid #f1f5f9;
            padding-top: 0.875rem;
        }

        .card-meta span {
            display: flex;
            align-items: center;
            gap: 0.375rem;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 700;
            line-height: 1.6;
        }

        .badge-blue {
            background: #1d4ed8;
            color: #ffffff;
        }

        .badge-gold {
            background: #f59e0b;
            color: #ffffff;
        }

        .badge-light {
            background: #f1f5f9;
            color: #475569;
        }

        /* ===== Route / Timeline ===== */
        .route-section {
            background: linear-gradient(135deg, #f0f4ff 0%, #fdf8ef 100%);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .route-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .route-step {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 1.75rem 1.5rem;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            position: relative;
            transition: var(--transition-base);
        }

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

        .route-step .step-number {
            position: absolute;
            top: -0.875rem;
            left: 1.5rem;
            width: 1.75rem;
            height: 1.75rem;
            background: linear-gradient(135deg, #1d4ed8, #2563eb);
            color: white;
            border-radius: 9999px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.875rem;
            font-weight: 700;
            box-shadow: 0 4px 10px rgba(29, 78, 216, 0.3);
        }

        .route-step h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            margin-top: 0.5rem;
            color: var(--text-main);
        }

        .route-step p {
            font-size: 0.8125rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* ===== Data / Stats ===== */
        .stats-band {
            background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
            padding: 3.5rem 0;
            color: #ffffff;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
        }

        .stat-item {
            text-align: center;
            padding: 1rem;
        }

        .stat-item .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 0.25rem;
            background: linear-gradient(135deg, #fcd34d, #f59e0b);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-item .stat-label {
            font-size: 0.875rem;
            color: #cbd5e1;
        }

        /* ===== Info List / Checklist ===== */
        .info-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }

        .info-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            aspect-ratio: 4/3;
        }

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

        .check-list {
            list-style: none;
            margin-top: 1.25rem;
        }

        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            padding: 0.625rem 0;
            font-size: 0.9375rem;
            color: #334155;
            border-bottom: 1px dashed #e2e8f0;
        }

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

        .check-list li i {
            color: #2563eb;
            margin-top: 0.25rem;
            flex-shrink: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: #ffffff;
        }

        .faq-grid {
            max-width: 860px;
            margin: 0 auto;
            display: grid;
            gap: 1rem;
        }

        .faq-item {
            background: #f8fafc;
            border: 1px solid var(--border);
            border-radius: 0.75rem;
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-item:hover {
            border-color: #c7d2fe;
            box-shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
        }

        .faq-item details {
            padding: 1.25rem 1.5rem;
        }

        .faq-item summary {
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            list-style: none;
            color: var(--text-main);
        }

        .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: 0.875rem;
            color: var(--primary);
            transition: transform 0.3s ease;
        }

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

        .faq-item .faq-answer {
            padding-top: 0.75rem;
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 4rem 0;
            background-image: linear-gradient(rgba(15, 23, 42, 0.75), rgba(30, 58, 138, 0.85)), url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            color: #ffffff;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
        }

        .cta-section p {
            font-size: 1.0625rem;
            color: #e2e8f0;
            max-width: 620px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.625rem;
            padding: 0.875rem 2rem;
            background: linear-gradient(135deg, #f59e0b, #fbbf24);
            color: #0f172a;
            font-weight: 700;
            font-size: 1rem;
            border-radius: 9999px;
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.35);
            transition: var(--transition-base);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(245, 158, 11, 0.45);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 0.625rem;
            padding: 0.875rem 2rem;
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
            font-weight: 600;
            font-size: 1rem;
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            border-radius: 9999px;
            transition: var(--transition-base);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: #ffffff;
            transform: translateY(-2px);
        }

        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1rem;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 4rem 0 0;
        }

        .site-footer h4 {
            color: #f8fafc;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 0.5rem;
        }

        .footer-links a {
            font-size: 0.875rem;
            color: #94a3b8;
            transition: var(--transition-base);
        }

        .footer-links a:hover {
            color: #fbbf24;
            padding-left: 0.25rem;
        }

        .footer-copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 3rem;
            padding: 1.5rem 0;
            font-size: 0.8125rem;
            color: #64748b;
            text-align: center;
        }

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

            .route-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 2rem 1.25rem;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .brand-bar .container {
                flex-direction: column;
                gap: 0.5rem;
                text-align: center;
            }

            .channel-nav .container {
                flex-direction: column;
                align-items: stretch;
            }

            .nav-list {
                justify-content: center;
                overflow-x: auto;
                flex-wrap: nowrap;
                -webkit-overflow-scrolling: touch;
                padding: 0.5rem 0;
                gap: 0.25rem;
            }

            .nav-link {
                white-space: nowrap;
                font-size: 0.875rem;
                padding: 0.5rem 0.875rem;
            }

            .nav-cta {
                display: none;
            }

            .page-hero {
                padding: 3.5rem 0 3rem;
            }

            .page-hero h1 {
                font-size: 2.125rem;
            }

            .section-block {
                padding: 3rem 0;
            }

            .info-split {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

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

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

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

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.65rem;
            }

            .brand-tagline {
                font-size: 0.8125rem;
            }

            .section-header h2 {
                font-size: 1.5rem;
            }

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

            .stat-item .stat-num {
                font-size: 1.875rem;
            }

            .cta-section h2 {
                font-size: 1.5rem;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
        }

/* roulang page: article */
:root {
            --brand: #0b1f3a;
            --brand-light: #1e3a5f;
            --brand-dark: #071528;
            --gold: #c9a227;
            --gold-dark: #a8851e;
            --gold-light: #f5e7b8;
            --bg-light: #f4f6f9;
            --bg-deep: #12233e;
            --text-primary: #1c2434;
            --text-secondary: #4a5568;
            --text-weak: #8492a6;
            --border: #e5e9f0;
            --border-light: #eef1f6;
            --shadow-sm: 0 2px 8px rgba(11, 31, 58, 0.06);
            --shadow-md: 0 8px 30px rgba(11, 31, 58, 0.08);
            --shadow-lg: 0 16px 48px rgba(11, 31, 58, 0.12);
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 22px;
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: #ffffff;
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        section {
            position: relative;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 24px rgba(11, 31, 58, 0.08);
        }

        .brand-bar {
            background: linear-gradient(135deg, var(--brand) 0%, var(--brand-light) 100%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .brand-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 66px;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.03em;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            position: relative;
            padding: 6px 0;
        }

        .logo::before {
            content: "";
            width: 6px;
            height: 6px;
            background: var(--gold);
            border-radius: 50%;
            box-shadow: 0 0 0 4px rgba(201, 162, 39, 0.2);
        }

        .brand-tagline {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.75);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .channel-nav {
            background: #ffffff;
            border-bottom: 2px solid var(--gold);
        }

        .channel-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 54px;
            gap: 16px;
        }

        .nav-list {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 4px;
            padding: 0;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 12px 18px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            position: relative;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--brand);
            background: rgba(11, 31, 58, 0.04);
        }

        .nav-link.active {
            color: var(--brand);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: -2px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }

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

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: 999px;
            border: 1px solid var(--gold);
            color: var(--gold-dark);
            font-size: 0.88rem;
            font-weight: 600;
            background: transparent;
            transition: var(--transition);
        }

        .btn-outline:hover {
            background: var(--gold);
            color: #ffffff;
            border-color: var(--gold);
            box-shadow: 0 4px 18px rgba(201, 162, 39, 0.3);
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            background: var(--gold);
            color: #ffffff;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(201, 162, 39, 0.25);
        }

        .btn-gold:hover {
            background: var(--gold-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 162, 39, 0.35);
        }

        .btn-outline-dark {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 999px;
            border: 1px solid var(--border);
            color: var(--text-primary);
            font-size: 0.9rem;
            font-weight: 500;
            background: #ffffff;
            transition: var(--transition);
        }

        .btn-outline-dark:hover {
            border-color: var(--brand);
            color: var(--brand);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(11, 31, 58, 0.08);
        }

        .card-simple {
            background: #ffffff;
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            padding: 40px;
        }

        /* 文章 Hero */
        .article-hero {
            background-size: cover;
            background-position: center;
            padding: 88px 0 64px;
            position: relative;
            color: #ffffff;
        }

        .article-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(7, 21, 40, 0.92) 0%, rgba(11, 31, 58, 0.78) 50%, rgba(20, 40, 70, 0.65) 100%);
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 28px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
        }

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

        .breadcrumb i {
            font-size: 0.7rem;
            opacity: 0.6;
        }

        .article-cat-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(201, 162, 39, 0.16);
            border: 1px solid rgba(201, 162, 39, 0.5);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 0.83rem;
            font-weight: 600;
            color: #f0d488;
            margin-bottom: 18px;
        }

        .article-hero h1 {
            font-size: clamp(1.7rem, 4vw, 2.8rem);
            font-weight: 800;
            line-height: 1.35;
            max-width: 860px;
            margin-bottom: 18px;
            letter-spacing: -0.01em;
        }

        .article-hero-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 22px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }

        .article-hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .article-hero-meta i {
            color: var(--gold);
        }

        /* 正文 */
        .article-body {
            background: var(--bg-light);
            padding: 60px 0;
        }

        .article-content {
            max-width: 860px;
            margin: 0 auto;
            font-size: 1.02rem;
            line-height: 1.9;
            color: #2d3748;
        }

        .article-content p {
            margin-bottom: 1.35rem;
        }

        .article-content h2 {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--brand);
            margin: 2.2rem 0 1rem;
            line-height: 1.5;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--gold-light);
        }

        .article-content h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--brand-light);
            margin: 1.8rem 0 0.8rem;
        }

        .article-content ul,
        .article-content ol {
            margin: 1.2rem 0 1.4rem;
            padding-left: 1.4rem;
        }

        .article-content li {
            margin-bottom: 0.6rem;
        }

        .article-content ul li::marker {
            color: var(--gold);
        }

        .article-content ol li::marker {
            color: var(--gold-dark);
            font-weight: 600;
        }

        .article-content blockquote {
            margin: 1.8rem 0;
            padding: 18px 24px;
            background: #f8f8f4;
            border-left: 4px solid var(--gold);
            border-radius: 0 12px 12px 0;
            color: var(--text-secondary);
            font-style: italic;
        }

        .article-content img {
            border-radius: var(--radius);
            margin: 1.5rem 0;
            box-shadow: var(--shadow-md);
        }

        .article-content a {
            color: var(--gold-dark);
            font-weight: 500;
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .article-content a:hover {
            color: var(--gold);
        }

        /* 标签 */
        .article-tags {
            max-width: 860px;
            margin: 24px auto 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            padding: 20px 0;
        }

        .tags-label {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-right: 4px;
        }

        .tag-chip {
            display: inline-block;
            padding: 5px 14px;
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: 999px;
            font-size: 0.82rem;
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .tag-chip:hover {
            border-color: var(--gold);
            color: var(--gold-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(201, 162, 39, 0.12);
        }

        .article-back {
            max-width: 860px;
            margin: 8px auto 0;
            padding: 24px 0 8px;
            border-top: 1px solid var(--border);
        }

        /* 相关推荐 */
        .related-section {
            padding: 70px 0 60px;
            background: #ffffff;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 40px;
            gap: 20px;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--gold-dark);
            background: rgba(201, 162, 39, 0.08);
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 10px;
        }

        .section-head h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--brand);
            letter-spacing: -0.01em;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            color: var(--brand);
            font-size: 0.9rem;
        }

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

        .cover-card {
            background: #ffffff;
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: block;
        }

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

        .cover-card-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            position: relative;
        }

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

        .cover-card:hover .cover-card-img img {
            transform: scale(1.05);
        }

        .cover-card-body {
            padding: 22px 24px 24px;
        }

        .cover-card-body h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.5;
            margin-bottom: 10px;
            transition: color 0.2s;
        }

        .cover-card:hover .cover-card-body h3 {
            color: var(--gold-dark);
        }

        .cover-card-body p {
            font-size: 0.88rem;
            color: var(--text-weak);
            line-height: 1.6;
        }

        /* CTA */
        .cta-section {
            padding: 0 0 70px;
            background: #ffffff;
        }

        .cta-box {
            background: linear-gradient(135deg, var(--brand) 0%, var(--brand-light) 100%);
            border-radius: var(--radius-lg);
            padding: 48px 60px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(11, 31, 58, 0.2);
        }

        .cta-box::before {
            content: "";
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            background: rgba(201, 162, 39, 0.12);
            border-radius: 50%;
        }

        .cta-box::after {
            content: "";
            position: absolute;
            bottom: -60px;
            left: -30px;
            width: 120px;
            height: 120px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
        }

        .cta-box h3 {
            color: #ffffff;
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .cta-box p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
            margin-bottom: 26px;
        }

        /* 未找到 */
        .not-found-section {
            background: var(--bg-light);
            padding: 120px 0;
            min-height: 60vh;
            display: flex;
            align-items: center;
        }

        .not-found-box {
            background: #ffffff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            padding: 60px 48px;
            text-align: center;
            max-width: 560px;
            margin: 0 auto;
        }

        .not-found-icon {
            width: 84px;
            height: 84px;
            border-radius: 50%;
            background: rgba(201, 162, 39, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 24px;
            font-size: 2rem;
            color: var(--gold-dark);
        }

        .not-found-box h1 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--brand);
            margin-bottom: 12px;
        }

        .not-found-box p {
            color: var(--text-secondary);
            margin-bottom: 28px;
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background: var(--brand-dark);
            color: #ffffff;
            padding: 64px 0 0;
        }

        .site-footer h4 {
            color: #ffffff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.05em;
        }

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

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

        .footer-links a {
            display: inline-flex;
            align-items: center;
            color: #9ba8bb;
            font-size: 0.88rem;
            transition: all 0.25s ease;
        }

        .footer-links a:hover {
            color: var(--gold);
            padding-left: 4px;
        }

        .footer-copyright {
            margin-top: 48px;
            padding: 22px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.82rem;
        }

        :focus-visible {
            outline: 3px solid rgba(201, 162, 39, 0.5);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .article-hero {
                padding: 60px 0 48px;
            }

            .cta-box {
                padding: 40px 32px;
            }
        }

        @media (max-width: 768px) {
            .brand-bar .container {
                height: 58px;
            }

            .logo {
                font-size: 1.25rem;
            }

            .brand-tagline {
                font-size: 0.8rem;
            }

            .channel-nav .container {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
            }

            .channel-nav .container::-webkit-scrollbar {
                display: none;
            }

            .nav-list {
                flex-wrap: nowrap;
                justify-content: flex-start;
                min-width: max-content;
                padding: 4px 0;
            }

            .nav-link {
                padding: 10px 14px;
                font-size: 0.88rem;
            }

            .nav-cta {
                display: none;
            }

            .article-hero h1 {
                font-size: 1.55rem;
            }

            .article-hero-meta {
                gap: 12px;
                font-size: 0.82rem;
                flex-direction: column;
                align-items: flex-start;
            }

            .card-simple {
                padding: 24px 20px;
            }

            .article-body {
                padding: 40px 0;
            }

            .article-content h2 {
                font-size: 1.25rem;
            }

            .article-content h3 {
                font-size: 1.08rem;
            }

            .article-tags {
                padding: 16px 4px;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                margin-bottom: 28px;
            }

            .section-head h2 {
                font-size: 1.4rem;
            }

            .related-section {
                padding: 50px 0 40px;
            }

            .cta-section {
                padding-bottom: 50px;
            }

            .cta-box {
                padding: 36px 20px;
            }

            .cta-box h3 {
                font-size: 1.3rem;
            }

            .site-footer {
                padding-top: 48px;
            }

            .not-found-section {
                padding: 80px 0;
            }

            .not-found-box {
                padding: 40px 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .brand-tagline {
                display: none;
            }

            .article-hero {
                padding: 48px 0 40px;
            }

            .article-hero h1 {
                font-size: 1.35rem;
            }

            .breadcrumb {
                font-size: 0.78rem;
                margin-bottom: 20px;
            }

            .article-cat-badge {
                font-size: 0.78rem;
                padding: 4px 12px;
            }

            .card-simple {
                padding: 20px 16px;
                border-radius: 12px;
            }

            .cover-card-body {
                padding: 16px 16px 18px;
            }

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

/* roulang page: category3 */
:root {
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --navy-900: #0f172a;
            --navy-800: #16213a;
            --navy-700: #1e293b;
            --gold-400: #d4af37;
            --gold-300: #e6c95a;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --radius: 18px;
            --shadow-sm: 0 2px 12px rgba(0, 0, 0, .04);
            --shadow-md: 0 8px 30px rgba(15, 23, 42, .08);
            --shadow-lg: 0 20px 40px rgba(15, 23, 42, .12);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: #f8fafc;
            color: #1e293b;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        ul {
            list-style: none;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--navy-900);
            box-shadow: 0 4px 24px rgba(2, 6, 23, .08);
        }
        .brand-bar {
            background: linear-gradient(135deg, #0f172a, #1e293b);
            border-bottom: 1px solid rgba(255, 255, 255, .06);
            padding: 12px 0;
        }
        .brand-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }
        .logo {
            font-size: 24px;
            font-weight: 900;
            letter-spacing: 1px;
            line-height: 1.2;
            background: linear-gradient(120deg, #e6c95a, #d4af37 40%, #b8952c);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .brand-tagline {
            display: inline-flex;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .55);
            letter-spacing: .05em;
        }
        .channel-nav {
            background: rgba(15, 23, 42, .96);
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }
        .channel-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .nav-list {
            display: flex;
            align-items: stretch;
            gap: 2px;
            flex-wrap: wrap;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 14px 20px;
            font-size: 15px;
            font-weight: 600;
            color: rgba(255, 255, 255, .7);
            border-bottom: 3px solid transparent;
            transition: all .22s ease;
            letter-spacing: .02em;
        }
        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, .05);
        }
        .nav-link.active {
            color: var(--gold-300);
            border-bottom-color: var(--gold-400);
            background: rgba(212, 175, 55, .08);
        }
        .nav-cta {
            margin-left: auto;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border: 1px solid rgba(212, 175, 55, .35);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            color: var(--gold-300);
            transition: all .25s ease;
        }
        .btn-outline:hover {
            background: rgba(212, 175, 55, .12);
            border-color: var(--gold-400);
            transform: translateY(-1px);
        }

        /* Hero */
        .category-hero {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 100px 0 88px;
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(15, 23, 42, .94) 0%, rgba(15, 23, 42, .76) 45%, rgba(15, 23, 42, .45) 100%);
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(212, 175, 55, .15);
            border: 1px solid rgba(212, 175, 55, .3);
            color: var(--gold-300);
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }
        .category-hero h1 {
            font-size: 52px;
            font-weight: 900;
            color: #fff;
            line-height: 1.1;
            letter-spacing: 1px;
            margin-bottom: 20px;
        }
        .category-hero p {
            max-width: 640px;
            color: rgba(255, 255, 255, .8);
            font-size: 17px;
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 30px;
            background: linear-gradient(135deg, #e6c95a, #d4af37 50%, #b8952c);
            color: #0f172a;
            font-weight: 700;
            font-size: 15px;
            border-radius: 999px;
            box-shadow: 0 6px 20px rgba(212, 175, 55, .35);
            transition: all .25s ease;
            cursor: pointer;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(212, 175, 55, .45);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            border: 1.5px solid rgba(255, 255, 255, .35);
            border-radius: 999px;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            transition: all .25s ease;
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, .1);
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* Section */
        .section {
            padding: 88px 0;
        }
        .section-alt {
            background: #ffffff;
        }
        .section-dark {
            background: var(--navy-900);
            color: #fff;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--gold-400);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .08em;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 34px;
            font-weight: 800;
            color: var(--navy-900);
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .section-title.light {
            color: #fff;
        }
        .section-desc {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 600px;
            line-height: 1.7;
        }
        .section-desc.light {
            color: rgba(255, 255, 255, .7);
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 48px;
            flex-wrap: wrap;
        }

        /* Cards */
        .card-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all .3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
        }
        .card-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(212, 175, 55, .35);
        }
        .card-media {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }
        .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .card-item:hover .card-media img {
            transform: scale(1.05);
        }
        .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(212, 175, 55, .12);
            color: var(--gold-400);
            font-size: 18px;
            margin-bottom: 14px;
        }
        .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--navy-900);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .card-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
            color: var(--gold-400);
            font-size: 14px;
            font-weight: 600;
            transition: gap .2s ease;
        }
        .card-link:hover {
            gap: 10px;
        }

        /* Tags */
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            background: rgba(212, 175, 55, .1);
            color: var(--gold-400);
            font-size: 12px;
            font-weight: 600;
            border-radius: 999px;
        }

        /* Stats */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            text-align: center;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 20px;
            box-shadow: var(--shadow-sm);
            transition: all .25s ease;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .stat-num {
            font-size: 40px;
            font-weight: 900;
            color: var(--gold-400);
            line-height: 1.2;
        }
        .stat-label {
            color: var(--text-muted);
            font-size: 14px;
            margin-top: 8px;
        }

        /* Feature Split */
        .feature-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .feature-img {
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .feature-img img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
        }
        .feature-content h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--navy-900);
            margin-bottom: 16px;
            line-height: 1.35;
        }
        .feature-content p {
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 8px 0;
            color: #334155;
            font-size: 15px;
        }
        .check-list i {
            color: var(--gold-400);
            margin-top: 4px;
            font-size: 14px;
        }

        /* Cost List */
        .cost-list {
            display: grid;
            gap: 16px;
        }
        .cost-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 18px 22px;
            transition: all .25s ease;
        }
        .cost-item:hover {
            border-color: rgba(212, 175, 55, .35);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .cost-city {
            min-width: 100px;
            font-weight: 700;
            color: var(--navy-900);
        }
        .cost-bar {
            flex: 1;
            height: 8px;
            background: #f1f5f9;
            border-radius: 999px;
            overflow: hidden;
        }
        .cost-bar-fill {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, #e6c95a, #d4af37, #b8952c);
        }
        .cost-value {
            min-width: 130px;
            text-align: right;
            font-size: 14px;
            font-weight: 600;
            color: #334155;
        }

        /* FAQ */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            margin-bottom: 14px;
            transition: all .25s ease;
        }
        .faq-item:hover {
            border-color: rgba(212, 175, 55, .3);
            box-shadow: var(--shadow-sm);
        }
        .faq-q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 16px;
            font-weight: 700;
            color: var(--navy-900);
            text-align: left;
        }
        .faq-q i {
            color: var(--gold-400);
            transition: transform .3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-q i {
            transform: rotate(45deg);
        }
        .faq-a {
            padding: 0 24px 20px;
            color: var(--text-muted);
            line-height: 1.8;
            font-size: 15px;
            display: none;
        }
        .faq-item.open .faq-a {
            display: block;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 60%, #334155 100%);
            position: relative;
            overflow: hidden;
            padding: 90px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(212, 175, 55, .2), transparent 70%);
            top: -100px;
            right: -100px;
            border-radius: 50%;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, .75);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        /* Footer */
        .site-footer {
            background: #0f172a;
            color: rgba(255, 255, 255, .7);
            padding: 64px 0 0;
        }
        .site-footer h4 {
            color: #e2e8f0;
            font-size: 14px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: .08em;
            margin-bottom: 16px;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .6);
            font-size: 14px;
            transition: color .2s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-links a:hover {
            color: var(--gold-300);
        }
        .footer-copyright {
            margin-top: 48px;
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .category-hero h1 {
                font-size: 40px;
            }
            .section-title {
                font-size: 30px;
            }
            .feature-split {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .channel-nav .container {
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
                padding: 12px 16px;
            }
            .nav-list {
                justify-content: center;
                flex-wrap: wrap;
            }
            .nav-cta {
                display: none;
            }
            .category-hero {
                padding: 72px 0 60px;
            }
            .category-hero h1 {
                font-size: 34px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-ghost {
                justify-content: center;
                text-align: center;
            }
            .cost-item {
                flex-wrap: wrap;
            }
            .cost-bar {
                order: 3;
                flex-basis: 100%;
            }
            .cost-value {
                min-width: 80px;
            }
            .section {
                padding: 60px 0;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .logo {
                font-size: 20px;
            }
            .brand-tagline {
                font-size: 12px;
            }
            .nav-link {
                padding: 10px 14px;
                font-size: 14px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .section-title {
                font-size: 26px;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 12px;
            }
            .stat-num {
                font-size: 30px;
            }
            .feature-split {
                gap: 24px;
            }
            .cta-inner h2 {
                font-size: 26px;
            }
        }