/* roulang page: index */
/* ===== Design Variables ===== */
    :root {
        --primary: #D9381E;
        --primary-dark: #B71C1C;
        --primary-light: #FF6B35;
        --primary-gradient: linear-gradient(135deg, #D9381E 0%, #FF6B35 100%);
        --secondary: #FFD700;
        --secondary-light: #FFED4A;
        --dark: #0F0F1A;
        --dark-light: #1E1E32;
        --dark-card: #16162A;
        --bg: #F4F5F7;
        --bg-card: #FFFFFF;
        --text: #1F2937;
        --text-light: #6B7280;
        --text-on-dark: #F9FAFB;
        --text-muted: #9CA3AF;
        --border: #E5E7EB;
        --border-dark: #2D2D44;
        --radius: 14px;
        --radius-sm: 8px;
        --radius-xl: 20px;
        --shadow: 0 4px 24px rgba(0,0,0,0.07);
        --shadow-lg: 0 12px 48px rgba(0,0,0,0.12);
        --shadow-glow: 0 0 30px rgba(217,56,30,0.25);
        --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
        --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    /* ===== Reset & Base ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
    body {
        font-family: var(--font);
        font-size: 16px;
        line-height: 1.7;
        color: var(--text);
        background: var(--bg);
        overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--primary); }
    button, input, select, textarea { font-family: inherit; font-size: inherit; }
    button { cursor: pointer; border: none; background: none; }
    ul, ol { list-style: none; }
    h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text); }

    /* ===== Container ===== */
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 24px;
    }
    .container-narrow {
        max-width: 900px;
        margin: 0 auto;
        padding: 0 24px;
    }

    /* ===== Header / Nav ===== */
    .site-header {
        background: var(--dark);
        border-bottom: 1px solid var(--border-dark);
        position: sticky;
        top: 0;
        z-index: 1000;
        padding: 0 24px;
        box-shadow: 0 2px 20px rgba(0,0,0,0.3);
    }
    .header-inner {
        max-width: 1200px;
        margin: 0 auto;
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 72px;
    }
    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.5rem;
        font-weight: 800;
        color: #fff;
        letter-spacing: 0.5px;
    }
    .logo-icon {
        width: 40px;
        height: 40px;
        background: var(--primary-gradient);
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 1.2rem;
        font-weight: 900;
        box-shadow: 0 0 20px rgba(217,56,30,0.4);
    }
    .logo span { color: var(--secondary); }
    .logo small { font-size: 0.7rem; font-weight: 400; color: var(--text-muted); margin-left: 4px; }

    .nav-list {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .nav-list a {
        padding: 8px 18px;
        border-radius: var(--radius-sm);
        color: var(--text-on-dark);
        font-size: 0.95rem;
        font-weight: 500;
        transition: var(--transition);
        position: relative;
    }
    .nav-list a:hover {
        background: rgba(255,255,255,0.08);
        color: var(--secondary);
    }
    .nav-list a.active {
        background: var(--primary-gradient);
        color: #fff;
        box-shadow: 0 4px 15px rgba(217,56,30,0.35);
    }
    .nav-cta {
        padding: 10px 28px !important;
        background: var(--primary-gradient) !important;
        color: #fff !important;
        border-radius: var(--radius-sm) !important;
        font-weight: 700 !important;
        box-shadow: 0 4px 20px rgba(217,56,30,0.35);
        transition: var(--transition);
    }
    .nav-cta:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 30px rgba(217,56,30,0.5) !important;
    }
    .nav-cta i { margin-right: 6px; }

    .nav-toggle {
        display: none;
        background: none;
        border: none;
        color: #fff;
        font-size: 1.5rem;
        padding: 8px;
        cursor: pointer;
    }

    /* ===== Hero ===== */
    .hero {
        position: relative;
        min-height: 75vh;
        display: flex;
        align-items: center;
        background: var(--dark);
        overflow: hidden;
    }
    .hero-bg {
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
        opacity: 0.35;
        z-index: 0;
    }
    .hero-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(15,15,26,0.88) 0%, rgba(15,15,26,0.6) 50%, rgba(217,56,30,0.25) 100%);
        z-index: 1;
    }
    .hero .container {
        position: relative;
        z-index: 2;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 60px;
        align-items: center;
        padding-top: 40px;
        padding-bottom: 40px;
    }
    .hero-content { max-width: 600px; }
    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(255,215,0,0.15);
        border: 1px solid rgba(255,215,0,0.3);
        color: var(--secondary);
        padding: 6px 18px;
        border-radius: 50px;
        font-size: 0.85rem;
        font-weight: 600;
        margin-bottom: 20px;
        letter-spacing: 0.5px;
    }
    .hero-badge i { font-size: 0.75rem; }
    .hero h1 {
        font-size: 3.2rem;
        font-weight: 900;
        color: #fff;
        line-height: 1.15;
        margin-bottom: 20px;
        letter-spacing: -0.5px;
    }
    .hero h1 span {
        background: var(--primary-gradient);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    .hero p {
        font-size: 1.15rem;
        color: rgba(255,255,255,0.7);
        margin-bottom: 32px;
        max-width: 500px;
        line-height: 1.8;
    }
    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        align-items: center;
    }
    .btn {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 14px 34px;
        border-radius: var(--radius-sm);
        font-weight: 700;
        font-size: 1rem;
        transition: var(--transition);
        border: none;
        cursor: pointer;
    }
    .btn-primary {
        background: var(--primary-gradient);
        color: #fff;
        box-shadow: 0 4px 20px rgba(217,56,30,0.35);
    }
    .btn-primary:hover {
        transform: translateY(-3px);
        box-shadow: 0 10px 40px rgba(217,56,30,0.5);
        color: #fff;
    }
    .btn-secondary {
        background: rgba(255,255,255,0.1);
        color: #fff;
        border: 1px solid rgba(255,255,255,0.2);
        backdrop-filter: blur(10px);
    }
    .btn-secondary:hover {
        background: rgba(255,255,255,0.2);
        transform: translateY(-3px);
        color: #fff;
    }
    .btn-lg { padding: 16px 42px; font-size: 1.1rem; }
    .btn-outline {
        background: transparent;
        color: var(--primary);
        border: 2px solid var(--primary);
    }
    .btn-outline:hover {
        background: var(--primary);
        color: #fff;
        transform: translateY(-2px);
    }
    .hero-stats {
        display: flex;
        gap: 40px;
        margin-top: 36px;
        padding-top: 28px;
        border-top: 1px solid rgba(255,255,255,0.1);
    }
    .hero-stat h3 {
        font-size: 1.8rem;
        font-weight: 800;
        color: var(--secondary);
        line-height: 1.2;
    }
    .hero-stat p {
        font-size: 0.85rem;
        color: rgba(255,255,255,0.5);
        margin-bottom: 0;
    }
    .hero-visual {
        display: flex;
        justify-content: center;
        align-items: center;
        position: relative;
    }
    .hero-card {
        background: rgba(255,255,255,0.05);
        backdrop-filter: blur(20px);
        border: 1px solid rgba(255,255,255,0.1);
        border-radius: var(--radius-xl);
        padding: 32px;
        width: 100%;
        max-width: 440px;
        box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    }
    .hero-card h4 {
        color: #fff;
        font-size: 1.1rem;
        margin-bottom: 16px;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .hero-card h4 i { color: var(--secondary); }
    .hero-card-item {
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 12px 0;
        border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .hero-card-item:last-child { border-bottom: none; }
    .hero-card-item .tag {
        background: var(--primary-gradient);
        color: #fff;
        padding: 2px 12px;
        border-radius: 50px;
        font-size: 0.75rem;
        font-weight: 600;
        flex-shrink: 0;
    }
    .hero-card-item .tag.gold { background: linear-gradient(135deg, #FFD700, #FFAA00); color: #1A1A2E; }
    .hero-card-item span {
        color: rgba(255,255,255,0.8);
        font-size: 0.9rem;
        flex: 1;
    }
    .hero-card-item i { color: rgba(255,255,255,0.3); font-size: 0.8rem; }

    /* ===== Section Shared ===== */
    section { padding: 80px 0; }
    .section-title {
        text-align: center;
        margin-bottom: 56px;
    }
    .section-title h2 {
        font-size: 2.4rem;
        font-weight: 800;
        margin-bottom: 12px;
        letter-spacing: -0.3px;
    }
    .section-title h2 span { color: var(--primary); }
    .section-title p {
        color: var(--text-light);
        font-size: 1.1rem;
        max-width: 600px;
        margin: 0 auto;
    }
    .section-label {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: rgba(217,56,30,0.1);
        color: var(--primary);
        padding: 4px 16px;
        border-radius: 50px;
        font-size: 0.8rem;
        font-weight: 600;
        margin-bottom: 12px;
        letter-spacing: 0.5px;
    }
    .bg-dark {
        background: var(--dark);
        color: var(--text-on-dark);
    }
    .bg-dark .section-title h2 { color: #fff; }
    .bg-dark .section-title p { color: var(--text-muted); }
    .bg-alt { background: var(--bg); }
    .bg-card-dark { background: var(--dark-card); }

    /* ===== Feature / Intro ===== */
    .intro-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
        gap: 28px;
    }
    .intro-card {
        background: var(--bg-card);
        border-radius: var(--radius);
        padding: 36px 28px;
        box-shadow: var(--shadow);
        text-align: center;
        transition: var(--transition);
        border: 1px solid var(--border);
    }
    .intro-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-lg);
    }
    .intro-card .icon-wrap {
        width: 64px;
        height: 64px;
        background: var(--primary-gradient);
        border-radius: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 20px;
        font-size: 1.6rem;
        color: #fff;
        box-shadow: 0 8px 24px rgba(217,56,30,0.25);
    }
    .intro-card h3 { font-size: 1.2rem; margin-bottom: 10px; }
    .intro-card p { color: var(--text-light); font-size: 0.95rem; line-height: 1.7; }

    /* ===== Category Entry ===== */
    .category-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 28px;
    }
    .category-card {
        position: relative;
        border-radius: var(--radius);
        overflow: hidden;
        background: var(--bg-card);
        box-shadow: var(--shadow);
        transition: var(--transition);
        border: 1px solid var(--border);
    }
    .category-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-lg);
    }
    .category-card img {
        width: 100%;
        height: 200px;
        object-fit: cover;
        transition: var(--transition);
    }
    .category-card:hover img { transform: scale(1.05); }
    .category-card-body {
        padding: 24px;
    }
    .category-card-body h3 { font-size: 1.15rem; margin-bottom: 8px; }
    .category-card-body p { color: var(--text-light); font-size: 0.9rem; margin-bottom: 16px; }
    .category-card .btn-outline { font-size: 0.85rem; padding: 8px 20px; }

    /* ===== News / List ===== */
    .news-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: 28px;
    }
    .news-card {
        background: var(--bg-card);
        border-radius: var(--radius);
        overflow: hidden;
        box-shadow: var(--shadow);
        transition: var(--transition);
        border: 1px solid var(--border);
        display: flex;
        flex-direction: column;
    }
    .news-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
    }
    .news-card img {
        width: 100%;
        height: 190px;
        object-fit: cover;
    }
    .news-card-body {
        padding: 24px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .news-card .meta {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 0.8rem;
        color: var(--text-light);
        margin-bottom: 10px;
    }
    .news-card .meta .cat {
        background: rgba(217,56,30,0.1);
        color: var(--primary);
        padding: 2px 12px;
        border-radius: 50px;
        font-weight: 600;
    }
    .news-card h3 {
        font-size: 1.1rem;
        margin-bottom: 8px;
        line-height: 1.4;
        flex: 1;
    }
    .news-card h3 a { color: var(--text); }
    .news-card h3 a:hover { color: var(--primary); }
    .news-card p {
        color: var(--text-light);
        font-size: 0.9rem;
        margin-bottom: 14px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .news-card .read-more {
        color: var(--primary);
        font-weight: 600;
        font-size: 0.9rem;
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .news-card .read-more:hover { gap: 10px; }
    .empty-news {
        grid-column: 1 / -1;
        text-align: center;
        padding: 60px 20px;
        color: var(--text-light);
        background: var(--bg-card);
        border-radius: var(--radius);
        border: 1px dashed var(--border);
    }
    .empty-news i { font-size: 2rem; margin-bottom: 12px; color: var(--text-muted); }

    /* ===== Stats Section ===== */
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 28px;
        text-align: center;
    }
    .stat-item {
        padding: 32px 20px;
        background: rgba(255,255,255,0.04);
        border-radius: var(--radius);
        border: 1px solid rgba(255,255,255,0.06);
        transition: var(--transition);
    }
    .stat-item:hover {
        background: rgba(255,255,255,0.08);
        transform: translateY(-4px);
    }
    .stat-item .num {
        font-size: 2.8rem;
        font-weight: 900;
        color: var(--secondary);
        line-height: 1.2;
    }
    .stat-item .num span { font-size: 1.6rem; }
    .stat-item .label {
        color: var(--text-muted);
        font-size: 0.95rem;
        margin-top: 6px;
    }

    /* ===== Flow / Steps ===== */
    .flow-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 28px;
        counter-reset: step;
    }
    .flow-step {
        background: var(--bg-card);
        border-radius: var(--radius);
        padding: 32px 24px;
        text-align: center;
        box-shadow: var(--shadow);
        border: 1px solid var(--border);
        position: relative;
        transition: var(--transition);
    }
    .flow-step:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
    }
    .flow-step .step-num {
        width: 48px;
        height: 48px;
        background: var(--primary-gradient);
        color: #fff;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.3rem;
        font-weight: 800;
        margin: 0 auto 18px;
        box-shadow: 0 6px 20px rgba(217,56,30,0.3);
    }
    .flow-step h3 { font-size: 1.1rem; margin-bottom: 8px; }
    .flow-step p { color: var(--text-light); font-size: 0.9rem; }

    /* ===== FAQ ===== */
    .faq-list {
        max-width: 800px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .faq-item {
        background: var(--bg-card);
        border-radius: var(--radius);
        border: 1px solid var(--border);
        overflow: hidden;
        transition: var(--transition);
    }
    .faq-item:hover { border-color: var(--primary-light); }
    .faq-question {
        padding: 20px 24px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-weight: 600;
        font-size: 1rem;
        cursor: pointer;
        gap: 12px;
        background: none;
        width: 100%;
        text-align: left;
        color: var(--text);
        transition: var(--transition);
    }
    .faq-question:hover { color: var(--primary); }
    .faq-question i { color: var(--primary); transition: var(--transition); }
    .faq-answer {
        padding: 0 24px 20px;
        color: var(--text-light);
        font-size: 0.95rem;
        line-height: 1.8;
        display: none;
    }
    .faq-item.open .faq-answer { display: block; }
    .faq-item.open .faq-question i { transform: rotate(180deg); }

    /* ===== CTA ===== */
    .cta-section {
        background: var(--dark);
        position: relative;
        overflow: hidden;
    }
    .cta-bg {
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
        opacity: 0.15;
        z-index: 0;
    }
    .cta-section .container {
        position: relative;
        z-index: 1;
        text-align: center;
        padding: 80px 24px;
    }
    .cta-section h2 {
        font-size: 2.4rem;
        font-weight: 800;
        color: #fff;
        margin-bottom: 16px;
    }
    .cta-section h2 span { color: var(--secondary); }
    .cta-section p {
        color: var(--text-muted);
        font-size: 1.1rem;
        max-width: 560px;
        margin: 0 auto 32px;
    }
    .cta-actions {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }

    /* ===== Footer ===== */
    .site-footer {
        background: var(--dark);
        border-top: 1px solid var(--border-dark);
        padding: 48px 0 32px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 40px;
    }
    .footer-brand .logo { margin-bottom: 14px; }
    .footer-brand p {
        color: var(--text-muted);
        font-size: 0.9rem;
        max-width: 320px;
        line-height: 1.8;
    }
    .footer-col h4 {
        color: #fff;
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: 16px;
    }
    .footer-col a {
        display: block;
        color: var(--text-muted);
        font-size: 0.9rem;
        padding: 4px 0;
        transition: var(--transition);
    }
    .footer-col a:hover { color: var(--secondary); }
    .footer-bottom {
        border-top: 1px solid var(--border-dark);
        padding-top: 24px;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
        gap: 12px;
        font-size: 0.85rem;
        color: var(--text-muted);
    }
    .footer-bottom a { color: var(--text-muted); }
    .footer-bottom a:hover { color: var(--secondary); }

    /* ===== Breadcrumb ===== */
    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 18px 0;
        font-size: 0.9rem;
        color: var(--text-light);
        flex-wrap: wrap;
    }
    .breadcrumb a { color: var(--text-light); }
    .breadcrumb a:hover { color: var(--primary); }
    .breadcrumb .current { color: var(--text); font-weight: 600; }
    .breadcrumb i { font-size: 0.7rem; color: var(--text-muted); }

    /* ===== Page Header (inner) ===== */
    .page-header {
        background: var(--dark);
        position: relative;
        padding: 60px 0;
        overflow: hidden;
    }
    .page-header-bg {
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
        opacity: 0.2;
        z-index: 0;
    }
    .page-header .container {
        position: relative;
        z-index: 1;
    }
    .page-header h1 {
        color: #fff;
        font-size: 2.4rem;
        font-weight: 800;
    }
    .page-header p {
        color: var(--text-muted);
        font-size: 1.05rem;
        margin-top: 8px;
        max-width: 600px;
    }

    /* ===== Article Content ===== */
    .article-content {
        padding: 48px 0;
    }
    .article-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        align-items: center;
        color: var(--text-light);
        font-size: 0.9rem;
        margin-bottom: 28px;
        padding-bottom: 20px;
        border-bottom: 1px solid var(--border);
    }
    .article-meta .cat {
        background: rgba(217,56,30,0.1);
        color: var(--primary);
        padding: 4px 16px;
        border-radius: 50px;
        font-weight: 600;
        font-size: 0.8rem;
    }
    .article-body {
        background: var(--bg-card);
        border-radius: var(--radius);
        padding: 40px;
        box-shadow: var(--shadow);
        border: 1px solid var(--border);
        line-height: 2;
        font-size: 1.05rem;
        color: var(--text);
    }
    .article-body p { margin-bottom: 20px; }
    .article-body h2, .article-body h3 { margin-top: 32px; margin-bottom: 16px; }
    .article-body img { border-radius: var(--radius-sm); margin: 24px 0; }
    .article-not-found {
        text-align: center;
        padding: 80px 20px;
        color: var(--text-light);
    }
    .article-not-found i { font-size: 3rem; color: var(--text-muted); margin-bottom: 16px; }
    .article-not-found h2 { font-size: 1.5rem; margin-bottom: 12px; }
    .article-not-found a { color: var(--primary); font-weight: 600; }

    /* ===== Category Page ===== */
    .category-intro {
        background: var(--bg-card);
        border-radius: var(--radius);
        padding: 40px;
        box-shadow: var(--shadow);
        border: 1px solid var(--border);
        margin-bottom: 40px;
    }
    .category-intro h2 { font-size: 1.5rem; margin-bottom: 12px; }
    .category-intro p { color: var(--text-light); line-height: 1.8; }
    .category-list {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 28px;
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .hero .container { grid-template-columns: 1fr; gap: 40px; }
        .hero-content { max-width: 100%; }
        .hero h1 { font-size: 2.6rem; }
        .hero-visual { display: none; }
        .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    }
    @media (max-width: 768px) {
        .header-inner { height: 64px; }
        .nav-list { display: none; }
        .nav-toggle { display: block; }
        .nav-list.open {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 64px;
            left: 0;
            right: 0;
            background: var(--dark);
            padding: 16px 24px;
            gap: 4px;
            border-bottom: 1px solid var(--border-dark);
            box-shadow: 0 20px 40px rgba(0,0,0,0.4);
        }
        .nav-list.open a { padding: 12px 18px; }
        .hero { min-height: 60vh; }
        .hero h1 { font-size: 2rem; }
        .hero p { font-size: 1rem; }
        .hero-stats { gap: 24px; flex-wrap: wrap; }
        .hero-stat h3 { font-size: 1.4rem; }
        .section-title h2 { font-size: 1.8rem; }
        section { padding: 56px 0; }
        .intro-grid, .category-grid, .news-grid, .flow-grid { grid-template-columns: 1fr; }
        .stats-grid { grid-template-columns: 1fr 1fr; }
        .footer-grid { grid-template-columns: 1fr; gap: 24px; }
        .cta-section h2 { font-size: 1.8rem; }
        .article-body { padding: 24px; }
        .category-intro { padding: 24px; }
        .page-header h1 { font-size: 1.8rem; }
    }
    @media (max-width: 520px) {
        .container { padding: 0 16px; }
        .hero h1 { font-size: 1.6rem; }
        .hero-actions { flex-direction: column; width: 100%; }
        .hero-actions .btn { width: 100%; justify-content: center; }
        .stats-grid { grid-template-columns: 1fr; }
        .logo { font-size: 1.2rem; }
        .logo-icon { width: 32px; height: 32px; font-size: 0.9rem; }
        .btn-lg { padding: 14px 28px; font-size: 1rem; }
        .footer-bottom { flex-direction: column; text-align: center; }
    }

/* roulang page: article */
/* ===== Design Variables ===== */
    :root {
        --primary: #e8313a;
        --primary-dark: #c41c24;
        --primary-light: #ff5a62;
        --secondary: #1a1a2e;
        --secondary-light: #2d2d4a;
        --accent: #f7c948;
        --accent-dark: #e0b030;
        --bg-body: #f8f9fc;
        --bg-card: #ffffff;
        --bg-dark: #0f0f1a;
        --bg-section-alt: #f0f2f8;
        --text-primary: #1a1a2e;
        --text-secondary: #4a4a6a;
        --text-light: #8888a8;
        --text-white: #ffffff;
        --border-color: #e8e8f0;
        --border-light: #f0f0f5;
        --radius-sm: 8px;
        --radius-md: 14px;
        --radius-lg: 20px;
        --radius-xl: 28px;
        --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
        --shadow-md: 0 8px 28px rgba(0,0,0,0.07);
        --shadow-lg: 0 16px 48px rgba(0,0,0,0.10);
        --shadow-card: 0 4px 20px rgba(232,49,58,0.08);
        --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
        --container: 1200px;
        --header-height: 72px;
    }

    /* ===== Reset & Base ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.7;
        color: var(--text-primary);
        background: var(--bg-body);
        overflow-x: hidden;
        padding-top: var(--header-height);
    }
    a { color: var(--primary); text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--primary-dark); }
    img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
    ul, ol { list-style: none; }
    button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
    button { cursor: pointer; background: none; }
    .container {
        width: 100%;
        max-width: var(--container);
        margin: 0 auto;
        padding: 0 20px;
    }

    /* ===== Header & Navigation ===== */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: var(--header-height);
        background: rgba(255,255,255,0.97);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--border-light);
        z-index: 1000;
        transition: var(--transition);
    }
    .site-header.scrolled { box-shadow: var(--shadow-md); }
    .header-inner {
        max-width: var(--container);
        margin: 0 auto;
        padding: 0 20px;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
    }
    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 22px;
        font-weight: 800;
        color: var(--text-primary);
        letter-spacing: -0.5px;
        flex-shrink: 0;
    }
    .logo:hover { color: var(--primary); }
    .logo-icon {
        width: 40px;
        height: 40px;
        background: var(--primary);
        color: #fff;
        border-radius: var(--radius-sm);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        font-weight: 700;
        box-shadow: 0 4px 12px rgba(232,49,58,0.3);
    }
    .logo small { font-weight: 400; font-size: 14px; color: var(--text-light); }
    .nav-list {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .nav-list a {
        padding: 8px 18px;
        border-radius: 40px;
        font-size: 15px;
        font-weight: 500;
        color: var(--text-secondary);
        transition: var(--transition);
        position: relative;
    }
    .nav-list a:hover { color: var(--primary); background: rgba(232,49,58,0.06); }
    .nav-list a.active {
        color: #fff;
        background: var(--primary);
        box-shadow: 0 4px 14px rgba(232,49,58,0.25);
    }
    .nav-list a.active:hover { background: var(--primary-dark); }
    .nav-cta {
        background: var(--primary) !important;
        color: #fff !important;
        padding: 8px 22px !important;
        border-radius: 40px !important;
        font-weight: 600 !important;
        display: flex;
        align-items: center;
        gap: 8px;
        box-shadow: 0 4px 16px rgba(232,49,58,0.3);
    }
    .nav-cta:hover { background: var(--primary-dark) !important; transform: translateY(-1px); box-shadow: 0 6px 24px rgba(232,49,58,0.4); }
    .nav-cta i { font-size: 14px; }
    .nav-toggle { display: none; font-size: 24px; color: var(--text-primary); padding: 8px; }

    /* ===== Article Page ===== */
    .article-banner {
        position: relative;
        padding: 60px 0 50px;
        background: linear-gradient(135deg, var(--secondary) 0%, var(--bg-dark) 100%);
        overflow: hidden;
    }
    .article-banner::before {
        content: '';
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
        opacity: 0.15;
        z-index: 0;
    }
    .article-banner .container { position: relative; z-index: 1; }
    .article-breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        color: rgba(255,255,255,0.6);
        margin-bottom: 18px;
    }
    .article-breadcrumb a { color: rgba(255,255,255,0.7); }
    .article-breadcrumb a:hover { color: #fff; }
    .article-breadcrumb .sep { opacity: 0.5; }
    .article-category-badge {
        display: inline-block;
        padding: 4px 16px;
        background: var(--primary);
        color: #fff;
        font-size: 13px;
        font-weight: 600;
        border-radius: 40px;
        margin-bottom: 16px;
    }
    .article-banner h1 {
        font-size: 34px;
        font-weight: 800;
        color: #fff;
        line-height: 1.3;
        max-width: 860px;
        margin-bottom: 16px;
    }
    .article-meta {
        display: flex;
        align-items: center;
        gap: 20px;
        flex-wrap: wrap;
        font-size: 14px;
        color: rgba(255,255,255,0.65);
    }
    .article-meta i { margin-right: 5px; }
    .article-meta span { display: flex; align-items: center; }
    .article-body-wrap {
        padding: 50px 0 60px;
    }
    .article-layout {
        display: grid;
        grid-template-columns: 1fr 320px;
        gap: 40px;
        align-items: start;
    }
    .article-main {
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        padding: 40px 44px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-light);
    }
    .article-main .content {
        font-size: 16.5px;
        line-height: 1.9;
        color: var(--text-primary);
    }
    .article-main .content p { margin-bottom: 1.4em; }
    .article-main .content h2 {
        font-size: 24px;
        font-weight: 700;
        margin: 1.6em 0 0.8em;
        color: var(--secondary);
    }
    .article-main .content h3 {
        font-size: 20px;
        font-weight: 600;
        margin: 1.4em 0 0.6em;
        color: var(--secondary);
    }
    .article-main .content ul, .article-main .content ol {
        margin: 0 0 1.4em 1.6em;
    }
    .article-main .content li { margin-bottom: 0.5em; list-style: disc; }
    .article-main .content blockquote {
        border-left: 4px solid var(--primary);
        background: rgba(232,49,58,0.04);
        padding: 16px 22px;
        margin: 1.4em 0;
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        color: var(--text-secondary);
        font-style: italic;
    }
    .article-main .content img {
        border-radius: var(--radius-md);
        margin: 1.6em 0;
        box-shadow: var(--shadow-sm);
    }
    .article-main .content a { font-weight: 500; text-decoration: underline; text-underline-offset: 2px; }
    .article-main .content a:hover { color: var(--primary-dark); }
    .article-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-top: 36px;
        padding-top: 24px;
        border-top: 1px solid var(--border-color);
    }
    .article-tags .tag {
        padding: 5px 16px;
        background: var(--bg-section-alt);
        border-radius: 40px;
        font-size: 13px;
        color: var(--text-secondary);
        font-weight: 500;
    }
    .article-tags .tag:hover { background: var(--primary); color: #fff; }
    .article-nav-links {
        display: flex;
        justify-content: space-between;
        gap: 16px;
        margin-top: 32px;
        padding-top: 24px;
        border-top: 1px solid var(--border-color);
    }
    .article-nav-links a {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        font-weight: 500;
        color: var(--text-secondary);
        padding: 8px 16px;
        border-radius: 40px;
        background: var(--bg-section-alt);
        transition: var(--transition);
    }
    .article-nav-links a:hover { background: var(--primary); color: #fff; }

    /* ===== Sidebar ===== */
    .article-sidebar {
        display: flex;
        flex-direction: column;
        gap: 28px;
    }
    .sidebar-card {
        background: var(--bg-card);
        border-radius: var(--radius-md);
        padding: 28px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-light);
    }
    .sidebar-card h3 {
        font-size: 17px;
        font-weight: 700;
        color: var(--secondary);
        margin-bottom: 16px;
        padding-bottom: 12px;
        border-bottom: 2px solid var(--primary);
        display: inline-block;
    }
    .sidebar-related {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .sidebar-related a {
        display: flex;
        gap: 12px;
        align-items: flex-start;
        padding: 10px 0;
        border-bottom: 1px solid var(--border-light);
        transition: var(--transition);
    }
    .sidebar-related a:last-child { border-bottom: none; }
    .sidebar-related a:hover { padding-left: 6px; }
    .sidebar-related .thumb {
        width: 60px;
        height: 60px;
        border-radius: var(--radius-sm);
        object-fit: cover;
        flex-shrink: 0;
        background: var(--bg-section-alt);
    }
    .sidebar-related .info { flex: 1; min-width: 0; }
    .sidebar-related .info h4 {
        font-size: 14px;
        font-weight: 600;
        color: var(--text-primary);
        line-height: 1.4;
        margin-bottom: 4px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .sidebar-related .info .date {
        font-size: 12px;
        color: var(--text-light);
    }
    .sidebar-cta {
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        color: #fff;
        border-radius: var(--radius-md);
        padding: 30px 24px;
        text-align: center;
    }
    .sidebar-cta h3 { color: #fff; border-bottom-color: rgba(255,255,255,0.3); }
    .sidebar-cta p { font-size: 14px; opacity: 0.9; margin: 12px 0 20px; }
    .sidebar-cta .btn-download {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 12px 28px;
        background: #fff;
        color: var(--primary);
        border-radius: 40px;
        font-weight: 700;
        font-size: 15px;
        box-shadow: 0 6px 20px rgba(0,0,0,0.15);
    }
    .sidebar-cta .btn-download:hover { background: var(--accent); color: var(--secondary); transform: translateY(-2px); }

    /* ===== 404 / Not Found ===== */
    .not-found-wrap {
        text-align: center;
        padding: 80px 20px;
    }
    .not-found-wrap .icon { font-size: 64px; color: var(--text-light); margin-bottom: 16px; }
    .not-found-wrap h2 { font-size: 28px; color: var(--text-primary); margin-bottom: 12px; }
    .not-found-wrap p { color: var(--text-secondary); margin-bottom: 24px; }
    .not-found-wrap .btn-back {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 12px 32px;
        background: var(--primary);
        color: #fff;
        border-radius: 40px;
        font-weight: 600;
    }
    .not-found-wrap .btn-back:hover { background: var(--primary-dark); transform: translateY(-2px); }

    /* ===== Footer (shared) ===== */
    .site-footer {
        background: var(--bg-dark);
        color: rgba(255,255,255,0.8);
        padding: 60px 0 30px;
        margin-top: 20px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 40px;
    }
    .footer-brand .logo { color: #fff; margin-bottom: 16px; }
    .footer-brand .logo small { color: rgba(255,255,255,0.5); }
    .footer-brand p { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,0.6); }
    .footer-col h4 {
        font-size: 16px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 16px;
    }
    .footer-col a {
        display: block;
        padding: 6px 0;
        font-size: 14px;
        color: rgba(255,255,255,0.6);
        transition: var(--transition);
    }
    .footer-col a:hover { color: var(--primary); padding-left: 4px; }
    .footer-col a i { margin-right: 6px; width: 18px; text-align: center; }
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.08);
        padding-top: 24px;
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 13px;
        color: rgba(255,255,255,0.4);
    }
    .footer-bottom a { color: rgba(255,255,255,0.5); }
    .footer-bottom a:hover { color: var(--primary); }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .article-layout { grid-template-columns: 1fr; }
        .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
        .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
        .nav-list { display: none; position: absolute; top: var(--header-height); left: 0; right: 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(16px); flex-direction: column; padding: 16px 20px; border-bottom: 1px solid var(--border-light); box-shadow: var(--shadow-md); gap: 6px; }
        .nav-list.open { display: flex; }
        .nav-list a { width: 100%; text-align: center; padding: 12px; }
        .nav-toggle { display: block; }
        .article-banner h1 { font-size: 26px; }
        .article-main { padding: 28px 20px; }
        .article-main .content { font-size: 15px; }
        .article-sidebar { grid-template-columns: 1fr; }
        .footer-grid { grid-template-columns: 1fr; gap: 28px; }
        .footer-bottom { flex-direction: column; text-align: center; }
    }
    @media (max-width: 520px) {
        .article-banner { padding: 40px 0 32px; }
        .article-banner h1 { font-size: 22px; }
        .article-meta { gap: 12px; font-size: 13px; }
        .article-main { padding: 20px 16px; border-radius: var(--radius-md); }
        .article-nav-links { flex-direction: column; }
        .sidebar-card { padding: 20px; }
        .logo { font-size: 18px; }
        .logo-icon { width: 34px; height: 34px; font-size: 16px; }
    }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #2a4a7f;
            --accent: #f4a261;
            --accent-light: #f8c291;
            --bg-dark: #0a0f1a;
            --bg-mid: #141b2d;
            --bg-card: #1a2335;
            --bg-light: #f8f9fa;
            --text-white: #ffffff;
            --text-light: #e0e0e0;
            --text-muted: #8892a4;
            --text-body: #2d3436;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-light: #e0e0e0;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 3.5rem;
            --spacing-xl: 5rem;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-dark);
            overflow-x: hidden;
        }

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

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

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

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .container-fluid {
            width: 100%;
            padding: 0 1.5rem;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 15, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0.75rem 1.5rem;
            height: 70px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .logo .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 900;
            color: #fff;
            box-shadow: 0 4px 12px rgba(230, 57, 70, 0.4);
        }

        .logo small {
            font-size: 0.65rem;
            font-weight: 500;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            margin-left: 2px;
        }

        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text-white);
            background: none;
            border: none;
            padding: 0.4rem;
            border-radius: var(--radius-sm);
            z-index: 1001;
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .nav-list a {
            padding: 0.6rem 1.2rem;
            color: var(--text-light);
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
        }

        .nav-list a:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-list a.active {
            color: var(--text-white);
            background: rgba(230, 57, 70, 0.2);
        }

        .nav-list a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-list a.nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            padding: 0.6rem 1.5rem;
            border-radius: var(--radius-xl);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.35);
            margin-left: 0.5rem;
        }

        .nav-list a.nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(230, 57, 70, 0.5);
        }

        /* ===== Hero / Banner ===== */
        .page-hero {
            position: relative;
            padding: 160px 0 80px;
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-mid) 100%);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }

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

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-dark), transparent);
            z-index: 1;
        }

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

        .page-hero-content {
            max-width: 780px;
        }

        .page-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 1.5rem;
        }

        .page-hero .breadcrumb a {
            color: var(--text-muted);
        }

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

        .page-hero .breadcrumb .sep {
            color: var(--text-muted);
        }

        .page-hero .breadcrumb .current {
            color: var(--text-white);
        }

        .page-hero h1 {
            font-size: 3rem;
            font-weight: 900;
            color: var(--text-white);
            line-height: 1.2;
            margin-bottom: 1rem;
            letter-spacing: -0.5px;
        }

        .page-hero h1 .highlight {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-hero p {
            font-size: 1.15rem;
            color: var(--text-light);
            max-width: 620px;
            line-height: 1.8;
            margin-bottom: 1.8rem;
        }

        .page-hero .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
        }

        .page-hero .hero-tags .tag {
            padding: 0.4rem 1.2rem;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-xl);
            color: var(--text-light);
            font-size: 0.85rem;
            font-weight: 500;
        }

        .page-hero .hero-tags .tag i {
            margin-right: 0.4rem;
            color: var(--primary-light);
        }

        /* ===== Sections Common ===== */
        section {
            padding: var(--spacing-xl) 0;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 0.8rem;
            letter-spacing: -0.3px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 2.5rem;
            line-height: 1.7;
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 2.5rem;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .section-header .section-title {
            margin-bottom: 0.2rem;
        }

        .section-header .section-subtitle {
            margin-bottom: 0;
        }

        .section-link {
            color: var(--primary-light);
            font-weight: 600;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .section-link:hover {
            color: var(--accent);
            gap: 0.8rem;
        }

        /* ===== Cards Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.8rem;
        }

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

        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(230, 57, 70, 0.3);
        }

        .card .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
            transition: var(--transition);
        }

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

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

        .card .card-tag {
            display: inline-block;
            padding: 0.25rem 0.9rem;
            background: rgba(230, 57, 70, 0.15);
            color: var(--primary-light);
            border-radius: var(--radius-xl);
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 0.7rem;
            letter-spacing: 0.3px;
        }

        .card .card-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }

        .card .card-title a {
            color: inherit;
        }

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

        .card .card-text {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
            margin-bottom: 1rem;
        }

        .card .card-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.82rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
            padding-top: 0.8rem;
            margin-top: 0.5rem;
        }

        .card .card-meta i {
            margin-right: 0.3rem;
            color: var(--primary-light);
        }

        .card .card-badge {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: var(--primary);
            color: #fff;
            padding: 0.25rem 1rem;
            border-radius: var(--radius-xl);
            font-size: 0.75rem;
            font-weight: 700;
            box-shadow: 0 4px 12px rgba(230, 57, 70, 0.4);
        }

        /* ===== Guide Categories (分类楼层) ===== */
        .guide-categories {
            background: var(--bg-mid);
        }

        .cat-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .cat-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 2rem 1.8rem;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

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

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

        .cat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(230, 57, 70, 0.2);
        }

        .cat-card .cat-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 1.2rem;
            background: rgba(230, 57, 70, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--primary-light);
            transition: var(--transition);
        }

        .cat-card:hover .cat-icon {
            background: rgba(230, 57, 70, 0.2);
            transform: scale(1.05);
        }

        .cat-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.5rem;
        }

        .cat-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 1.2rem;
        }

        .cat-card .cat-stats {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            border-top: 1px solid var(--border-color);
            padding-top: 1rem;
        }

        .cat-card .cat-stats span {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .cat-card .cat-stats strong {
            color: var(--text-white);
            font-weight: 700;
        }

        /* ===== Featured List (热门赛事) ===== */
        .featured-list {
            background: var(--bg-dark);
        }

        .list-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.2rem;
        }

        .list-item {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            padding: 1.2rem 1.5rem;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .list-item:hover {
            background: rgba(26, 35, 53, 0.8);
            border-color: rgba(230, 57, 70, 0.3);
            transform: translateX(4px);
        }

        .list-item .list-rank {
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--text-muted);
            min-width: 36px;
            text-align: center;
            font-style: italic;
        }

        .list-item:nth-child(1) .list-rank,
        .list-item:nth-child(2) .list-rank,
        .list-item:nth-child(3) .list-rank {
            color: var(--primary);
        }

        .list-item .list-info {
            flex: 1;
        }

        .list-item .list-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 0.2rem;
        }

        .list-item .list-info p {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .list-item .list-status {
            padding: 0.3rem 1rem;
            border-radius: var(--radius-xl);
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(46, 204, 113, 0.15);
            color: #2ecc71;
            flex-shrink: 0;
        }

        .list-item .list-status.hot {
            background: rgba(230, 57, 70, 0.15);
            color: var(--primary-light);
        }

        .list-item .list-status.soon {
            background: rgba(244, 162, 97, 0.15);
            color: var(--accent);
        }

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

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

        .steps-grid::before {
            content: '';
            position: absolute;
            top: 48px;
            left: 8%;
            right: 8%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary-light));
            opacity: 0.3;
            z-index: 0;
        }

        .step-card {
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 0 0.5rem;
        }

        .step-card .step-num {
            width: 56px;
            height: 56px;
            margin: 0 auto 1.2rem;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 900;
            color: #fff;
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.4);
            position: relative;
        }

        .step-card .step-num::after {
            content: '';
            position: absolute;
            inset: -4px;
            border-radius: 50%;
            border: 2px dashed rgba(230, 57, 70, 0.3);
            animation: spin 20s linear infinite;
        }

        @keyframes spin {
            to {
                transform: rotate(360deg);
            }
        }

        .step-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.4rem;
        }

        .step-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-dark);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

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

        .faq-item:hover {
            border-color: rgba(230, 57, 70, 0.2);
        }

        .faq-question {
            width: 100%;
            padding: 1.3rem 1.8rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-white);
            font-size: 1.05rem;
            font-weight: 600;
            background: none;
            border: none;
            text-align: left;
            cursor: pointer;
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--primary-light);
        }

        .faq-question .faq-icon {
            font-size: 1.1rem;
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
            margin-left: 1rem;
        }

        .faq-item.active .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--primary-light);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 1.8rem;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 1.8rem 1.3rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-mid), var(--bg-dark));
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }

        .cta-box {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 3rem 2rem;
            background: rgba(26, 35, 53, 0.6);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            backdrop-filter: blur(10px);
        }

        .cta-box h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 0.8rem;
        }

        .cta-box p {
            font-size: 1.1rem;
            color: var(--text-light);
            margin-bottom: 2rem;
            max-width: 540px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-box .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.8rem;
            padding: 1rem 2.8rem;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            border-radius: var(--radius-xl);
            box-shadow: 0 8px 30px rgba(230, 57, 70, 0.4);
            transition: var(--transition);
        }

        .cta-box .cta-btn:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(230, 57, 70, 0.6);
        }

        .cta-box .cta-sub {
            margin-top: 1.2rem;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            padding: 4rem 0 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 3rem;
        }

        .footer-brand .logo {
            margin-bottom: 1rem;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 1.2rem;
        }

        .footer-col a {
            display: block;
            padding: 0.4rem 0;
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }

        .footer-col a i {
            width: 20px;
            margin-right: 0.4rem;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            padding-top: 2rem;
            border-top: 1px solid var(--border-color);
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid::before {
                display: none;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .page-hero h1 {
                font-size: 2.4rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .list-grid {
                grid-template-columns: 1fr;
            }
        }

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

            .nav-list {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: rgba(10, 15, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 100px 2rem 2rem;
                gap: 0.6rem;
                transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
                border-left: 1px solid var(--border-color);
                z-index: 999;
                align-items: stretch;
            }

            .nav-list.open {
                right: 0;
            }

            .nav-list a {
                padding: 0.8rem 1.2rem;
                font-size: 1.05rem;
            }

            .nav-list a.nav-cta {
                margin-left: 0;
                margin-top: 0.5rem;
                justify-content: center;
            }

            .nav-list a.active::after {
                display: none;
            }

            .page-hero {
                padding: 130px 0 60px;
                min-height: 280px;
            }

            .page-hero h1 {
                font-size: 2rem;
            }

            .page-hero p {
                font-size: 1rem;
            }

            .card-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }

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

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .cta-box h2 {
                font-size: 1.6rem;
            }

            .cta-box .cta-btn {
                padding: 0.8rem 2rem;
                font-size: 1rem;
            }

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

            .list-item {
                padding: 1rem 1.2rem;
            }

            .list-item .list-rank {
                font-size: 1.2rem;
                min-width: 28px;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                padding: 0.6rem 1rem;
                height: 60px;
            }

            .logo {
                font-size: 1.2rem;
            }

            .logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1.1rem;
            }

            .page-hero h1 {
                font-size: 1.6rem;
            }

            .page-hero .hero-tags .tag {
                font-size: 0.75rem;
                padding: 0.3rem 0.9rem;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }

            .step-card {
                display: flex;
                align-items: center;
                gap: 1rem;
                text-align: left;
                padding: 0;
            }

            .step-card .step-num {
                margin: 0;
                flex-shrink: 0;
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
            }

            .step-card .step-num::after {
                display: none;
            }

            .cat-card {
                padding: 1.5rem 1.2rem;
            }

            .faq-question {
                padding: 1rem 1.2rem;
                font-size: 0.95rem;
            }

            .faq-answer {
                padding: 0 1.2rem;
                font-size: 0.9rem;
            }

            .faq-item.active .faq-answer {
                padding: 0 1.2rem 1rem;
            }

            .cta-box {
                padding: 2rem 1.2rem;
            }

            .page-hero .breadcrumb {
                font-size: 0.75rem;
                flex-wrap: wrap;
            }

            .section-header {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }

        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }

        /* ===== Overlay for mobile nav ===== */
        .nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 998;
            backdrop-filter: blur(2px);
        }

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

        @media (max-width: 768px) {
            .nav-overlay.show {
                display: block;
            }
        }