/* roulang page: index */
:root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #2b4d7a;
            --accent: #ffcb05;
            --bg-light: #f8f9fa;
            --bg-dark: #0d1b2a;
            --text-dark: #1a1a2e;
            --text-light: #f1faee;
            --text-muted: #6c757d;
            --border-color: #e9ecef;
            --border-radius: 16px;
            --border-radius-sm: 8px;
            --border-radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow: 0 8px 30px rgba(0,0,0,0.10);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1200px;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body { font-family: var(--font-sans); color: var(--text-dark); background: #ffffff; line-height: 1.7; overflow-x: hidden; }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; height: auto; display: block; }
        .container { max-width: var(--container-max); padding: 0 20px; margin: 0 auto; }
        .container-fluid { padding: 0 20px; }
        .section-padding { padding: 80px 0; }
        .section-padding-sm { padding: 48px 0; }
        .section-title { font-size: clamp(1.6rem, 4vw, 2.6rem); font-weight: 800; color: var(--text-dark); margin-bottom: 16px; letter-spacing: -0.02em; }
        .section-subtitle { font-size: clamp(0.95rem, 1.5vw, 1.1rem); color: var(--text-muted); max-width: 640px; margin: 0 auto 40px; line-height: 1.8; }
        .text-primary { color: var(--primary) !important; }
        .bg-primary { background-color: var(--primary) !important; }
        .text-secondary { color: var(--secondary) !important; }
        .bg-secondary { background-color: var(--secondary) !important; }

        /* Header & Nav */
        .header-top { background: var(--bg-dark); color: var(--text-light); padding: 8px 0; font-size: 0.85rem; }
        .header-top a { color: rgba(255,255,255,0.8); margin: 0 12px 0 0; font-size: 0.8rem; }
        .header-top a:hover { color: #fff; }
        .header-top .social-icons i { margin-left: 12px; color: rgba(255,255,255,0.7); transition: var(--transition); cursor: pointer; }
        .header-top .social-icons i:hover { color: var(--accent); }
        .navbar-main { background: #ffffff; box-shadow: 0 2px 20px rgba(0,0,0,0.06); padding: 0; transition: var(--transition); }
        .navbar-main .navbar-brand { font-size: 1.5rem; font-weight: 800; color: var(--primary); letter-spacing: -0.03em; padding: 14px 0; }
        .navbar-main .navbar-brand span { color: var(--text-dark); }
        .navbar-main .nav-link { color: var(--text-dark); font-weight: 600; font-size: 0.95rem; padding: 18px 16px !important; transition: var(--transition); position: relative; }
        .navbar-main .nav-link:hover, .navbar-main .nav-link.active { color: var(--primary); }
        .navbar-main .nav-link.active::after { content: ''; position: absolute; bottom: 0; left: 16px; right: 16px; height: 3px; background: var(--primary); border-radius: 3px 3px 0 0; }
        .navbar-main .nav-cta { background: var(--primary); color: #fff !important; border-radius: 50px; padding: 10px 24px !important; margin: 10px 0 10px 16px; font-weight: 700; font-size: 0.9rem; }
        .navbar-main .nav-cta:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(230,57,70,0.35); }
        .navbar-main .search-icon { color: var(--text-muted); font-size: 1.1rem; padding: 18px 8px; cursor: pointer; transition: var(--transition); }
        .navbar-main .search-icon:hover { color: var(--primary); }
        .navbar-toggler { border: none; padding: 10px 0; }
        .navbar-toggler:focus { box-shadow: none; }
        .navbar-toggler .navbar-toggler-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(26,26,46,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e"); }
        .search-bar-mobile { display: none; padding: 12px 20px; background: #f8f9fa; border-top: 1px solid var(--border-color); }
        .search-bar-mobile.show { display: block; }
        .search-bar-mobile .form-control { border-radius: 50px; border: 1px solid var(--border-color); padding: 10px 20px; font-size: 0.9rem; }

        /* Hero */
        .hero-section { position: relative; min-height: 85vh; display: flex; align-items: center; background: var(--bg-dark); overflow: hidden; }
        .hero-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat; opacity: 0.35; transform: scale(1.05); animation: heroZoom 20s ease infinite alternate; }
        @keyframes heroZoom { 0% { transform: scale(1.05); } 100% { transform: scale(1.0); } }
        .hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(13,27,42,0.85) 0%, rgba(13,27,42,0.4) 100%); z-index: 1; }
        .hero-content { position: relative; z-index: 2; padding: 60px 0; }
        .hero-badge { display: inline-block; background: rgba(255,203,5,0.2); color: var(--accent); font-weight: 700; font-size: 0.85rem; padding: 6px 18px; border-radius: 50px; margin-bottom: 20px; border: 1px solid rgba(255,203,5,0.3); backdrop-filter: blur(4px); }
        .hero-title { font-size: clamp(2.2rem, 6vw, 4rem); font-weight: 900; color: #ffffff; line-height: 1.1; margin-bottom: 20px; letter-spacing: -0.03em; }
        .hero-title span { color: var(--accent); }
        .hero-desc { font-size: clamp(1rem, 1.8vw, 1.2rem); color: rgba(255,255,255,0.8); max-width: 540px; margin-bottom: 32px; line-height: 1.8; }
        .hero-buttons .btn { border-radius: 50px; padding: 14px 36px; font-weight: 700; font-size: 1rem; transition: var(--transition); margin-right: 12px; margin-bottom: 12px; }
        .hero-buttons .btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
        .hero-buttons .btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 12px 30px rgba(230,57,70,0.4); }
        .hero-buttons .btn-outline-light { border: 2px solid rgba(255,255,255,0.6); color: #fff; background: transparent; }
        .hero-buttons .btn-outline-light:hover { background: rgba(255,255,255,0.15); border-color: #fff; transform: translateY(-2px); }
        .hero-stats { margin-top: 48px; display: flex; gap: 40px; flex-wrap: wrap; }
        .hero-stat-item { color: #fff; }
        .hero-stat-item .num { font-size: 2rem; font-weight: 800; color: var(--accent); line-height: 1.2; }
        .hero-stat-item .label { font-size: 0.85rem; color: rgba(255,255,255,0.7); margin-top: 4px; }

        /* Feature Cards */
        .feature-card { background: #ffffff; border-radius: var(--border-radius); padding: 32px 24px; box-shadow: var(--shadow-sm); border: 1px solid var(--border-color); transition: var(--transition); height: 100%; }
        .feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
        .feature-card .icon { width: 56px; height: 56px; border-radius: 16px; background: rgba(230,57,70,0.08); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 1.6rem; margin-bottom: 20px; transition: var(--transition); }
        .feature-card:hover .icon { background: var(--primary); color: #fff; }
        .feature-card h5 { font-weight: 700; font-size: 1.15rem; margin-bottom: 10px; }
        .feature-card p { color: var(--text-muted); font-size: 0.92rem; margin: 0; line-height: 1.7; }

        /* Category Cards */
        .category-card { position: relative; border-radius: var(--border-radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); height: 100%; cursor: pointer; background: #fff; border: 1px solid var(--border-color); }
        .category-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
        .category-card .cat-img { height: 200px; background-size: cover; background-position: center; position: relative; }
        .category-card .cat-img .cat-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 60%); }
        .category-card .cat-label { position: absolute; top: 16px; left: 16px; background: var(--primary); color: #fff; font-size: 0.75rem; font-weight: 700; padding: 4px 14px; border-radius: 50px; text-transform: uppercase; letter-spacing: 0.5px; }
        .category-card .cat-body { padding: 20px; }
        .category-card .cat-body h5 { font-weight: 700; font-size: 1.05rem; margin-bottom: 6px; }
        .category-card .cat-body p { color: var(--text-muted); font-size: 0.85rem; margin: 0; }

        /* Info List (CMS) */
        .info-card { display: flex; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--border-color); transition: var(--transition); }
        .info-card:last-child { border-bottom: none; }
        .info-card:hover { padding-left: 8px; }
        .info-card .info-date { min-width: 70px; font-size: 0.85rem; color: var(--text-muted); font-weight: 500; }
        .info-card .info-cat { display: inline-block; background: rgba(230,57,70,0.08); color: var(--primary); font-size: 0.7rem; font-weight: 700; padding: 2px 10px; border-radius: 50px; margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.3px; }
        .info-card .info-title { font-weight: 700; font-size: 1rem; color: var(--text-dark); transition: var(--transition); }
        .info-card:hover .info-title { color: var(--primary); }
        .info-card .info-desc { font-size: 0.88rem; color: var(--text-muted); margin: 4px 0 0; }

        /* Stats / Data */
        .stats-section { background: var(--bg-dark); position: relative; overflow: hidden; }
        .stats-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat; opacity: 0.12; }
        .stat-item { text-align: center; padding: 20px; position: relative; z-index: 1; }
        .stat-item .stat-num { font-size: 2.8rem; font-weight: 900; color: var(--accent); line-height: 1.2; }
        .stat-item .stat-label { color: rgba(255,255,255,0.75); font-size: 0.95rem; margin-top: 6px; font-weight: 500; }
        .stat-item .stat-icon { font-size: 2rem; color: rgba(255,203,5,0.3); margin-bottom: 12px; }

        /* Process / Steps */
        .step-card { text-align: center; padding: 32px 20px; position: relative; }
        .step-card .step-num { width: 48px; height: 48px; border-radius: 50%; background: var(--primary); color: #fff; font-weight: 800; font-size: 1.2rem; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; box-shadow: 0 6px 20px rgba(230,57,70,0.3); }
        .step-card h5 { font-weight: 700; font-size: 1.05rem; margin-bottom: 8px; }
        .step-card p { color: var(--text-muted); font-size: 0.88rem; margin: 0; }
        .step-connector { display: none; }
        @media (min-width: 768px) {
            .step-connector { display: block; position: absolute; top: 40px; right: -30px; width: 60px; height: 2px; background: var(--border-color); }
            .step-connector i { position: absolute; right: -6px; top: -6px; color: var(--primary); font-size: 0.8rem; }
        }

        /* FAQ */
        .faq-section { background: var(--bg-light); }
        .accordion-item { border: 1px solid var(--border-color); border-radius: var(--border-radius-sm) !important; margin-bottom: 12px; overflow: hidden; background: #fff; box-shadow: var(--shadow-sm); }
        .accordion-item:first-of-type { border-radius: var(--border-radius-sm) !important; }
        .accordion-button { font-weight: 700; font-size: 1rem; color: var(--text-dark); padding: 18px 24px; background: #fff; box-shadow: none !important; }
        .accordion-button:not(.collapsed) { color: var(--primary); background: #fff; }
        .accordion-button::after { background-size: 1rem; }
        .accordion-body { padding: 0 24px 20px; color: var(--text-muted); font-size: 0.92rem; line-height: 1.8; }

        /* CTA */
        .cta-section { background: linear-gradient(135deg, var(--secondary) 0%, var(--bg-dark) 100%); 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; }
        .cta-content { position: relative; z-index: 1; text-align: center; }
        .cta-content h2 { color: #fff; font-weight: 800; font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 16px; }
        .cta-content p { color: rgba(255,255,255,0.8); max-width: 560px; margin: 0 auto 28px; font-size: 1.05rem; }
        .cta-content .btn { border-radius: 50px; padding: 16px 44px; font-weight: 700; font-size: 1.05rem; background: var(--accent); color: var(--text-dark); border: none; transition: var(--transition); }
        .cta-content .btn:hover { background: #ffd633; transform: translateY(-2px); box-shadow: 0 12px 30px rgba(255,203,5,0.4); }

        /* Footer */
        .footer { background: var(--bg-dark); color: rgba(255,255,255,0.7); padding: 60px 0 0; }
        .footer h5 { color: #fff; font-weight: 700; font-size: 1.1rem; margin-bottom: 20px; }
        .footer a { color: rgba(255,255,255,0.6); transition: var(--transition); }
        .footer a:hover { color: var(--accent); }
        .footer .footer-links { list-style: none; padding: 0; margin: 0; }
        .footer .footer-links li { margin-bottom: 10px; }
        .footer .footer-links li a { font-size: 0.9rem; }
        .footer .footer-brand { font-size: 1.6rem; font-weight: 800; color: var(--primary); margin-bottom: 12px; }
        .footer .footer-brand span { color: #fff; }
        .footer .footer-desc { font-size: 0.9rem; max-width: 320px; margin-bottom: 20px; line-height: 1.8; }
        .footer .social-links a { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.7); margin-right: 10px; font-size: 0.95rem; transition: var(--transition); }
        .footer .social-links a:hover { background: var(--primary); color: #fff; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; margin-top: 40px; font-size: 0.85rem; text-align: center; color: rgba(255,255,255,0.5); }

        /* Back to top */
        .back-to-top { position: fixed; bottom: 30px; right: 30px; width: 44px; height: 44px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; box-shadow: 0 4px 16px rgba(230,57,70,0.35); z-index: 999; transition: var(--transition); opacity: 0; visibility: hidden; cursor: pointer; border: none; }
        .back-to-top.show { opacity: 1; visibility: visible; }
        .back-to-top:hover { background: var(--primary-dark); transform: translateY(-3px); }

        /* Empty state */
        .empty-state { text-align: center; padding: 40px 20px; color: var(--text-muted); }
        .empty-state i { font-size: 3rem; margin-bottom: 16px; color: var(--border-color); }

        /* Responsive */
        @media (max-width: 991.98px) {
            .navbar-main .navbar-nav { padding: 12px 0; }
            .navbar-main .nav-link { padding: 12px 0 !important; }
            .navbar-main .nav-link.active::after { display: none; }
            .navbar-main .nav-cta { margin: 8px 0; text-align: center; }
            .hero-section { min-height: 70vh; }
            .hero-stats { gap: 24px; }
            .hero-stat-item .num { font-size: 1.6rem; }
            .section-padding { padding: 56px 0; }
            .stats-section .stat-item { padding: 16px; }
            .footer .footer-brand { margin-top: 24px; }
        }
        @media (max-width: 767.98px) {
            .header-top .social-icons { display: none; }
            .hero-section { min-height: 60vh; }
            .hero-buttons .btn { padding: 12px 24px; font-size: 0.9rem; }
            .hero-stats { gap: 16px; }
            .hero-stat-item .num { font-size: 1.4rem; }
            .section-title { font-size: 1.4rem; }
            .info-card { flex-direction: column; gap: 6px; padding: 16px 0; }
            .info-card .info-date { min-width: auto; }
            .category-card .cat-img { height: 160px; }
            .footer { padding: 40px 0 0; }
            .back-to-top { width: 38px; height: 38px; bottom: 20px; right: 20px; font-size: 0.9rem; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 12px; }
            .hero-title { font-size: 1.8rem; }
            .hero-desc { font-size: 0.92rem; }
            .hero-buttons .btn { display: block; width: 100%; margin-right: 0; }
            .stat-item .stat-num { font-size: 2rem; }
            .step-card { padding: 20px 12px; }
        }

        /* Accessibility */
        a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; }
        .btn:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; }

        /* Skeleton / placeholder */
        .skeleton { background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: 4px; }
        @keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --bg-dark: #0d1b2a;
            --bg-darker: #1b2838;
            --bg-card: #ffffff;
            --bg-light: #f8f9fa;
            --bg-section-alt: #f1f3f5;
            --text-dark: #1a1a2e;
            --text-body: #2d3436;
            --text-muted: #636e72;
            --text-light: #dfe6e9;
            --border-light: #e9ecef;
            --border-card: #dee2e6;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.10);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --spacing-section: 5rem;
            --spacing-block: 3rem;
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        /* ===== 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-family);
            color: var(--text-body);
            background: var(--bg-light);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a { color: var(--secondary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary); }
        img { max-width: 100%; height: auto; display: block; }
        .container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }

        /* ===== Buttons ===== */
        .btn {
            border-radius: var(--radius-sm);
            font-weight: 600;
            padding: 0.6rem 1.8rem;
            transition: var(--transition);
            border: none;
            font-size: 0.95rem;
            letter-spacing: 0.01em;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(230,57,70,0.35);
        }
        .btn-primary:hover, .btn-primary:focus {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 6px 24px rgba(230,57,70,0.45);
            transform: translateY(-2px);
        }
        .btn-outline-primary {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline-primary:hover, .btn-outline-primary:focus {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(230,57,70,0.30);
        }
        .btn-ghost {
            background: rgba(255,255,255,0.15);
            color: #fff;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255,255,255,0.25);
        }
        .btn-ghost:hover { background: rgba(255,255,255,0.30); color: #fff; transform: translateY(-2px); }
        .btn-lg { padding: 0.8rem 2.4rem; font-size: 1.05rem; border-radius: var(--radius-md); }
        .btn-sm { padding: 0.35rem 1.1rem; font-size: 0.85rem; }

        /* ===== Badge / Tag ===== */
        .badge {
            font-weight: 500;
            border-radius: 100px;
            padding: 0.35em 1em;
            font-size: 0.8rem;
            letter-spacing: 0.02em;
        }
        .badge-primary { background: var(--primary); color: #fff; }
        .badge-secondary { background: var(--secondary); color: #fff; }
        .badge-accent { background: var(--accent); color: #1a1a2e; }
        .badge-soft { background: rgba(230,57,70,0.12); color: var(--primary); }

        /* ===== Navigation ===== */
        .navbar-main {
            background: rgba(13,27,42,0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255,255,255,0.06);
            padding-top: 0;
            padding-bottom: 0;
            min-height: 68px;
            transition: var(--transition);
        }
        .navbar-main .navbar-brand {
            font-size: 1.55rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            padding: 0.4rem 0;
        }
        .navbar-main .navbar-brand span { color: var(--primary); }
        .navbar-main .navbar-nav .nav-link {
            color: rgba(255,255,255,0.75);
            font-weight: 500;
            font-size: 0.92rem;
            padding: 0.6rem 1rem;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .navbar-main .navbar-nav .nav-link:hover,
        .navbar-main .navbar-nav .nav-link:focus { color: #fff; background: rgba(255,255,255,0.08); }
        .navbar-main .navbar-nav .nav-link.active { color: #fff; background: rgba(230,57,70,0.20); }
        .navbar-main .navbar-nav .nav-cta {
            background: var(--primary);
            color: #fff !important;
            padding: 0.5rem 1.5rem;
            border-radius: 50px;
            font-weight: 600;
        }
        .navbar-main .navbar-nav .nav-cta:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(230,57,70,0.40); }
        .search-icon { color: rgba(255,255,255,0.7); font-size: 1.1rem; cursor: pointer; transition: var(--transition); }
        .search-icon:hover { color: #fff; transform: scale(1.08); }
        .search-bar-mobile { background: var(--bg-darker); border-top: 1px solid rgba(255,255,255,0.06); padding: 1rem 0; }
        .search-bar-mobile .form-control {
            background: rgba(255,255,255,0.10);
            border: 1px solid rgba(255,255,255,0.15);
            color: #fff;
            border-radius: 50px;
            padding: 0.6rem 1.2rem;
        }
        .search-bar-mobile .form-control::placeholder { color: rgba(255,255,255,0.45); }
        .search-bar-mobile .btn-primary { border-radius: 50px; padding: 0.6rem 1.5rem; }
        .navbar-toggler { border: none; padding: 0; }
        .navbar-toggler-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e"); }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 8rem 0 5rem;
            background: var(--bg-dark);
            overflow: hidden;
            min-height: 380px;
            display: flex;
            align-items: center;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.30;
            filter: brightness(0.6) saturate(0.8);
        }
        .article-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13,27,42,0.92) 0%, rgba(29,53,87,0.70) 60%, rgba(13,27,42,0.88) 100%);
        }
        .article-hero .container { position: relative; z-index: 2; }
        .article-hero .hero-category {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 0.3rem 1.2rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 1.2rem;
        }
        .article-hero h1 {
            color: #fff;
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            max-width: 880px;
            text-shadow: 0 2px 12px rgba(0,0,0,0.25);
            margin-bottom: 1.2rem;
        }
        .article-hero .hero-meta {
            color: rgba(255,255,255,0.75);
            font-size: 0.95rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1.8rem;
            align-items: center;
        }
        .article-hero .hero-meta i { margin-right: 0.4rem; color: var(--primary-light); }

        /* ===== Breadcrumb ===== */
        .breadcrumb-wrap {
            background: transparent;
            padding: 1.2rem 0 0.4rem;
        }
        .breadcrumb-wrap .breadcrumb {
            background: transparent;
            margin: 0;
            padding: 0;
        }
        .breadcrumb-wrap .breadcrumb-item { font-size: 0.9rem; }
        .breadcrumb-wrap .breadcrumb-item a { color: var(--secondary-light); }
        .breadcrumb-wrap .breadcrumb-item a:hover { color: var(--primary); }
        .breadcrumb-wrap .breadcrumb-item.active { color: var(--text-muted); }
        .breadcrumb-wrap .breadcrumb-item + .breadcrumb-item::before { color: var(--text-muted); content: '/'; }

        /* ===== Article Content ===== */
        .article-section { padding: 3rem 0 4rem; }
        .article-main {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 2.5rem 3rem;
            border: 1px solid var(--border-light);
        }
        .article-meta-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem 2.5rem;
            padding-bottom: 1.8rem;
            margin-bottom: 2rem;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-muted);
            font-size: 0.92rem;
        }
        .article-meta-bar i { margin-right: 0.45rem; color: var(--primary); }
        .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-body);
        }
        .article-body h2, .article-body h3, .article-body h4 {
            margin-top: 2rem;
            margin-bottom: 1rem;
            font-weight: 700;
            color: var(--text-dark);
        }
        .article-body h2 { font-size: 1.6rem; }
        .article-body h3 { font-size: 1.3rem; }
        .article-body p { margin-bottom: 1.4rem; }
        .article-body ul, .article-body ol { margin-bottom: 1.4rem; padding-left: 1.8rem; }
        .article-body li { margin-bottom: 0.5rem; }
        .article-body a { color: var(--primary); text-decoration: underline; }
        .article-body a:hover { color: var(--primary-dark); }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: var(--bg-light);
            padding: 1.2rem 1.8rem;
            margin: 1.8rem 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-muted);
        }
        .article-body img { border-radius: var(--radius-md); margin: 1.5rem 0; box-shadow: var(--shadow-sm); }
        .article-body pre {
            background: var(--bg-darker);
            color: var(--text-light);
            padding: 1.2rem 1.6rem;
            border-radius: var(--radius-sm);
            overflow-x: auto;
            font-size: 0.9rem;
            margin: 1.5rem 0;
        }
        .article-body code { background: var(--bg-light); padding: 0.2rem 0.5rem; border-radius: 4px; font-size: 0.9rem; }
        .article-body table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; }
        .article-body th, .article-body td { padding: 0.8rem 1rem; border: 1px solid var(--border-light); text-align: left; }
        .article-body th { background: var(--bg-light); font-weight: 600; }

        /* ===== Tags ===== */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid var(--border-light);
        }
        .article-tags .tag {
            display: inline-block;
            background: var(--bg-light);
            color: var(--text-muted);
            padding: 0.3rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            border: 1px solid var(--border-card);
            transition: var(--transition);
        }
        .article-tags .tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

        /* ===== Prev / Next ===== */
        .post-nav {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 1.5rem 2rem;
            margin-top: 2.5rem;
            border: 1px solid var(--border-light);
        }
        .post-nav .nav-link-item {
            display: flex;
            flex-direction: column;
            padding: 0.5rem 0;
            color: var(--text-body);
            transition: var(--transition);
            border-radius: var(--radius-sm);
        }
        .post-nav .nav-link-item:hover { color: var(--primary); background: rgba(230,57,70,0.04); padding-left: 0.5rem; }
        .post-nav .nav-label { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; }
        .post-nav .nav-title { font-weight: 600; font-size: 1rem; }

        /* ===== Related Posts ===== */
        .related-section { padding: 4rem 0; background: var(--bg-section-alt); }
        .related-section .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 2.5rem;
            position: relative;
            display: inline-block;
        }
        .related-section .section-title::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
        }
        .card-related {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-related:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
        .card-related .card-img-wrap {
            position: relative;
            overflow: hidden;
            height: 200px;
        }
        .card-related .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .card-related:hover .card-img-wrap img { transform: scale(1.06); }
        .card-related .card-img-wrap .card-cat {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #fff;
            padding: 0.2rem 0.9rem;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        .card-related .card-body { padding: 1.2rem 1.4rem 1.4rem; flex: 1; display: flex; flex-direction: column; }
        .card-related .card-body h5 { font-size: 1.05rem; font-weight: 700; color: var(--text-dark); margin-bottom: 0.5rem; transition: var(--transition); }
        .card-related:hover .card-body h5 { color: var(--primary); }
        .card-related .card-body p { font-size: 0.9rem; color: var(--text-muted); flex: 1; margin-bottom: 0.8rem; }
        .card-related .card-body .card-meta { font-size: 0.8rem; color: var(--text-muted); }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
            padding: 4.5rem 0;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.12;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 { color: #fff; font-size: 2rem; font-weight: 800; margin-bottom: 1rem; }
        .cta-section p { color: rgba(255,255,255,0.7); font-size: 1.1rem; max-width: 640px; margin: 0 auto 2rem; }
        .cta-section .btn-cta {
            background: var(--primary);
            color: #fff;
            padding: 0.9rem 3rem;
            font-size: 1.1rem;
            border-radius: 50px;
            font-weight: 700;
            box-shadow: 0 8px 30px rgba(230,57,70,0.40);
            transition: var(--transition);
            border: none;
        }
        .cta-section .btn-cta:hover { background: var(--primary-dark); transform: translateY(-3px); box-shadow: 0 12px 40px rgba(230,57,70,0.50); }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-darker);
            color: rgba(255,255,255,0.75);
            padding: 4rem 0 2rem;
            border-top: 1px solid rgba(255,255,255,0.06);
        }
        .footer .footer-brand { font-size: 1.6rem; font-weight: 800; color: #fff; margin-bottom: 1rem; }
        .footer .footer-brand span { color: var(--primary); }
        .footer .footer-desc { font-size: 0.92rem; color: rgba(255,255,255,0.55); max-width: 360px; margin-bottom: 1.5rem; line-height: 1.7; }
        .footer .social-links { display: flex; gap: 1rem; }
        .footer .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            color: rgba(255,255,255,0.7);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .footer .social-links a:hover { background: var(--primary); color: #fff; transform: translateY(-3px); }
        .footer h5 { color: #fff; font-weight: 600; font-size: 1rem; margin-bottom: 1.2rem; }
        .footer .footer-links { list-style: none; padding: 0; margin: 0; }
        .footer .footer-links li { margin-bottom: 0.5rem; }
        .footer .footer-links a { color: rgba(255,255,255,0.55); font-size: 0.9rem; transition: var(--transition); }
        .footer .footer-links a:hover { color: var(--primary); padding-left: 4px; }
        .footer .footer-bottom {
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.06);
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
        }
        .footer .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer .footer-bottom a:hover { color: var(--primary); }

        /* ===== Not Found ===== */
        .not-found-wrap {
            text-align: center;
            padding: 4rem 2rem;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .not-found-wrap i { font-size: 3.5rem; color: var(--primary); margin-bottom: 1.5rem; }
        .not-found-wrap h3 { font-size: 1.6rem; font-weight: 700; color: var(--text-dark); margin-bottom: 1rem; }
        .not-found-wrap p { color: var(--text-muted); margin-bottom: 1.8rem; }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-hero h1 { font-size: 2.2rem; }
            .article-main { padding: 2rem 1.8rem; }
        }
        @media (max-width: 768px) {
            :root { --spacing-section: 3rem; --spacing-block: 2rem; }
            .article-hero { padding: 6rem 0 3.5rem; min-height: 300px; }
            .article-hero h1 { font-size: 1.6rem; }
            .article-hero .hero-meta { gap: 1rem; font-size: 0.85rem; flex-wrap: wrap; }
            .article-main { padding: 1.5rem 1.2rem; border-radius: var(--radius-md); }
            .article-meta-bar { gap: 0.8rem 1.5rem; font-size: 0.85rem; }
            .article-body { font-size: 1rem; }
            .article-body h2 { font-size: 1.35rem; }
            .article-body h3 { font-size: 1.15rem; }
            .related-section .section-title { font-size: 1.4rem; }
            .card-related .card-img-wrap { height: 160px; }
            .cta-section h2 { font-size: 1.5rem; }
            .cta-section p { font-size: 0.95rem; }
            .post-nav { padding: 1rem 1.2rem; }
            .post-nav .nav-title { font-size: 0.9rem; }
            .footer { padding: 3rem 0 1.5rem; }
            .navbar-main .navbar-brand { font-size: 1.3rem; }
        }
        @media (max-width: 520px) {
            .article-hero { padding: 5rem 0 2.5rem; min-height: 240px; }
            .article-hero h1 { font-size: 1.3rem; }
            .article-hero .hero-meta { gap: 0.6rem; font-size: 0.8rem; }
            .article-main { padding: 1rem 0.8rem; border-radius: var(--radius-sm); }
            .article-body { font-size: 0.95rem; line-height: 1.8; }
            .article-meta-bar { flex-direction: column; gap: 0.4rem; }
            .card-related .card-img-wrap { height: 140px; }
            .cta-section h2 { font-size: 1.2rem; }
            .cta-section .btn-cta { padding: 0.7rem 2rem; font-size: 0.95rem; }
            .post-nav .nav-link-item { padding: 0.4rem 0; }
            .not-found-wrap { padding: 2.5rem 1rem; }
            .not-found-wrap i { font-size: 2.5rem; }
        }

/* roulang page: category1 */
/* ===== :root 设计变量 ===== */
        :root {
            --primary: #0d2137;
            --primary-light: #1a3a6b;
            --primary-dark: #081526;
            --accent: #e8a838;
            --accent-hover: #d4942f;
            --accent-light: #fef3d9;
            --bg-body: #f0f4f9;
            --bg-white: #ffffff;
            --bg-section: #f8fafc;
            --bg-dark: #0d2137;
            --text-dark: #1e293b;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --text-white: #ffffff;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --spacer: 80px;
        }
        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-dark);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; }
        .container { max-width: 1240px; padding-left: 20px; padding-right: 20px; }
        /* ===== 导航 Brand 强调色 ===== */
        .navbar-brand span { color: var(--accent); }
        .navbar-brand { font-weight: 800; font-size: 1.5rem; letter-spacing: -0.5px; color: var(--text-white) !important; }
        .navbar-main {
            background: var(--primary) !important;
            box-shadow: 0 2px 20px rgba(13,33,55,0.3);
            padding-top: 0;
            padding-bottom: 0;
            min-height: 64px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .navbar-main .nav-link {
            color: rgba(255,255,255,0.75) !important;
            font-weight: 500;
            padding: 20px 16px !important;
            font-size: 0.92rem;
            letter-spacing: 0.3px;
            position: relative;
            transition: var(--transition);
        }
        .navbar-main .nav-link:hover,
        .navbar-main .nav-link:focus {
            color: var(--text-white) !important;
            background: rgba(255,255,255,0.06);
        }
        .navbar-main .nav-link.active {
            color: var(--accent) !important;
            background: transparent;
        }
        .navbar-main .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px 3px 0 0;
        }
        .navbar-main .nav-cta {
            background: var(--accent) !important;
            color: var(--primary) !important;
            border-radius: var(--radius-sm);
            padding: 10px 20px !important;
            margin: 12px 0 12px 8px;
            font-weight: 700;
            transition: var(--transition);
        }
        .navbar-main .nav-cta:hover {
            background: var(--accent-hover) !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(232,168,56,0.35);
        }
        .search-icon {
            color: rgba(255,255,255,0.6);
            font-size: 1.05rem;
            cursor: pointer;
            padding: 0 10px;
            transition: var(--transition);
        }
        .search-icon:hover { color: var(--accent); }
        .search-bar-mobile {
            background: var(--primary-dark);
            padding: 14px 0;
            border-top: 1px solid rgba(255,255,255,0.05);
        }
        .search-bar-mobile .form-control {
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.15);
            color: var(--text-white);
            border-radius: var(--radius-sm);
        }
        .search-bar-mobile .form-control::placeholder { color: rgba(255,255,255,0.4); }
        .search-bar-mobile .btn-primary {
            background: var(--accent);
            border: none;
            color: var(--primary);
            font-weight: 600;
            border-radius: var(--radius-sm);
        }
        .navbar-toggler { border: none; padding: 4px 6px; }
        .navbar-toggler:focus { box-shadow: none; }
        .navbar-toggler-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e"); }
        /* ===== Hero ===== */
        .hero-category {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: var(--primary-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            overflow: hidden;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13,33,55,0.88) 0%, rgba(13,33,55,0.60) 60%, rgba(13,33,55,0.30) 100%);
            z-index: 1;
        }
        .hero-category .container { position: relative; z-index: 2; }
        .hero-category h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -1px;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .hero-category h1 span { color: var(--accent); }
        .hero-category p {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.8);
            max-width: 640px;
            margin-bottom: 28px;
            line-height: 1.8;
        }
        .hero-category .hero-badge {
            display: inline-block;
            background: rgba(232,168,56,0.18);
            color: var(--accent);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 18px;
            border-radius: 50px;
            border: 1px solid rgba(232,168,56,0.25);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .hero-category .btn-hero {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            border: none;
            font-size: 1.05rem;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(232,168,56,0.3);
        }
        .hero-category .btn-hero:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232,168,56,0.4);
        }
        .hero-category .btn-outline-hero {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            border: 2px solid rgba(255,255,255,0.25);
            font-size: 1.05rem;
            transition: var(--transition);
            margin-left: 12px;
        }
        .hero-category .btn-outline-hero:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(232,168,56,0.08);
        }
        /* ===== 通用板块 ===== */
        .section-padding { padding: var(--spacer) 0; }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.5px;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 640px;
            margin-bottom: 40px;
        }
        .section-divider {
            width: 56px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin-bottom: 20px;
        }
        .bg-section-alt { background: var(--bg-section); }
        .bg-dark-section { background: var(--bg-dark); color: var(--text-white); }
        .bg-dark-section .section-title { color: var(--text-white); }
        .bg-dark-section .section-subtitle { color: rgba(255,255,255,0.6); }
        /* ===== 卡片 ===== */
        .card-league {
            border: none;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            background: var(--bg-white);
            height: 100%;
        }
        .card-league:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .card-league .card-img-top {
            height: 180px;
            object-fit: cover;
            border-bottom: 3px solid var(--accent);
        }
        .card-league .card-body { padding: 24px; }
        .card-league .card-title {
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 8px;
        }
        .card-league .card-text {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.6;
        }
        .card-league .card-tag {
            display: inline-block;
            background: var(--accent-light);
            color: var(--accent-hover);
            font-weight: 600;
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 50px;
            margin-bottom: 12px;
        }
        /* ===== 特色区块 ===== */
        .feature-icon {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            background: var(--accent-light);
            color: var(--accent-hover);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin-bottom: 16px;
            transition: var(--transition);
        }
        .feature-card {
            text-align: center;
            padding: 32px 20px;
            border-radius: var(--radius-md);
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .feature-card:hover .feature-icon {
            background: var(--accent);
            color: var(--text-white);
        }
        .feature-card h5 {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 10px;
        }
        .feature-card p {
            color: var(--text-muted);
            font-size: 0.92rem;
            margin-bottom: 0;
        }
        /* ===== 数据统计 ===== */
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stat-label {
            font-size: 0.95rem;
            color: rgba(255,255,255,0.65);
            font-weight: 500;
        }
        .stat-item {
            text-align: center;
            padding: 20px 12px;
        }
        /* ===== 介绍图文 ===== */
        .intro-img-wrap {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .intro-img-wrap img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            transition: var(--transition);
        }
        .intro-img-wrap:hover img { transform: scale(1.02); }
        .intro-content h3 {
            font-weight: 700;
            font-size: 1.8rem;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .intro-content ul {
            list-style: none;
            padding: 0;
            margin: 20px 0 0;
        }
        .intro-content ul li {
            padding: 8px 0;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text-dark);
            font-size: 0.98rem;
        }
        .intro-content ul li i {
            color: var(--accent);
            font-size: 1.1rem;
            margin-top: 3px;
        }
        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            margin-bottom: 12px;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--accent); }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:focus { outline: 2px solid var(--accent); outline-offset: -2px; border-radius: var(--radius-sm); }
        .faq-question i { color: var(--accent); transition: var(--transition); font-size: 0.9rem; }
        .faq-question[aria-expanded="true"] i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13,33,55,0.85) 0%, rgba(13,33,55,0.60) 100%);
            z-index: 1;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .cta-section p {
            color: rgba(255,255,255,0.7);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .cta-section .btn-cta {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            padding: 16px 44px;
            border-radius: var(--radius-sm);
            border: none;
            font-size: 1.1rem;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(232,168,56,0.3);
        }
        .cta-section .btn-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(232,168,56,0.4);
        }
        /* ===== 面包屑 ===== */
        .breadcrumb-custom {
            background: transparent;
            padding: 16px 0 8px;
            margin: 0;
            font-size: 0.88rem;
        }
        .breadcrumb-custom .breadcrumb-item { color: rgba(255,255,255,0.55); }
        .breadcrumb-custom .breadcrumb-item a { color: rgba(255,255,255,0.7); }
        .breadcrumb-custom .breadcrumb-item a:hover { color: var(--accent); }
        .breadcrumb-custom .breadcrumb-item.active { color: var(--accent); }
        .breadcrumb-custom .breadcrumb-item+.breadcrumb-item::before { color: rgba(255,255,255,0.3); }
        /* ===== 页脚 ===== */
        .footer {
            background: var(--primary-dark);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 0;
        }
        .footer .footer-brand {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .footer .footer-brand span { color: var(--accent); }
        .footer .footer-desc {
            font-size: 0.92rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.5);
            margin-bottom: 20px;
            max-width: 360px;
        }
        .footer h5 {
            color: var(--text-white);
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer .footer-links li { margin-bottom: 10px; }
        .footer .footer-links a {
            color: rgba(255,255,255,0.5);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer .footer-links a:hover { color: var(--accent); padding-left: 4px; }
        .footer .social-links { display: flex; gap: 12px; margin-top: 16px; }
        .footer .social-links a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            color: rgba(255,255,255,0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .footer .social-links a:hover {
            background: var(--accent);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding: 24px 0;
            margin-top: 40px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.35);
        }
        .footer .footer-bottom a { color: rgba(255,255,255,0.4); }
        .footer .footer-bottom a:hover { color: var(--accent); }
        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-category h1 { font-size: 2.6rem; }
            .section-title { font-size: 1.9rem; }
            .stat-number { font-size: 2.2rem; }
        }
        @media (max-width: 768px) {
            :root { --spacer: 50px; }
            .hero-category { min-height: 340px; text-align: center; }
            .hero-category h1 { font-size: 2rem; }
            .hero-category p { font-size: 1rem; max-width: 100%; }
            .hero-category .hero-badge { margin-left: auto; margin-right: auto; }
            .hero-category .btn-hero, .hero-category .btn-outline-hero { display: block; width: 100%; margin: 8px 0; }
            .section-title { font-size: 1.6rem; }
            .section-subtitle { max-width: 100%; }
            .intro-content h3 { font-size: 1.4rem; }
            .intro-img-wrap img { height: 240px; }
            .cta-section h2 { font-size: 1.7rem; }
            .navbar-main .nav-link { padding: 14px 16px !important; }
            .navbar-main .nav-cta { margin: 8px 16px; text-align: center; }
            .stat-number { font-size: 1.8rem; }
            .card-league .card-img-top { height: 150px; }
            .feature-card { padding: 24px 16px; }
        }
        @media (max-width: 520px) {
            .hero-category h1 { font-size: 1.6rem; }
            .hero-category p { font-size: 0.92rem; }
            .section-title { font-size: 1.3rem; }
            .container { padding-left: 16px; padding-right: 16px; }
            .hero-category .btn-hero, .hero-category .btn-outline-hero { font-size: 0.95rem; padding: 12px 20px; }
            .card-league .card-body { padding: 16px; }
            .faq-question { padding: 14px 16px; font-size: 0.92rem; }
            .faq-answer { padding: 0 16px 14px; font-size: 0.88rem; }
            .cta-section h2 { font-size: 1.4rem; }
            .cta-section .btn-cta { padding: 14px 28px; font-size: 0.95rem; }
            .footer { padding: 40px 0 0; }
            .stat-item { padding: 12px 8px; }
            .stat-number { font-size: 1.5rem; }
        }
        /* ===== 辅助 ===== */
        .text-accent { color: var(--accent); }
        .bg-accent-soft { background: var(--accent-light); }
        .rounded-12 { border-radius: var(--radius-sm); }
        .shadow-hover { transition: var(--transition); }
        .shadow-hover:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
        /* 滚动条美化 */
        ::-webkit-scrollbar { width: 6px; }
        ::-webkit-scrollbar-track { background: var(--bg-body); }
        ::-webkit-scrollbar-thumb { background: var(--text-light); border-radius: 6px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }
        /* 焦点轮廓 */
        :focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
        /* 导航 active 在移动端背景 */
        @media (max-width: 991px) {
            .navbar-main .nav-link.active::after { display: none; }
            .navbar-main .nav-link.active { background: rgba(232,168,56,0.12); border-radius: var(--radius-sm); }
        }