/* roulang page: index */
/* ===== CSS Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --accent-light: #f8c291;
            --bg-light: #f8f9fa;
            --bg-dark: #1a1a2e;
            --bg-card: #ffffff;
            --text-dark: #2b2d42;
            --text-body: #4a4e69;
            --text-light: #8d99ae;
            --text-white: #ffffff;
            --border: #e0e0e0;
            --border-light: #f0f0f0;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.1);
            --shadow-lg: 0 8px 40px rgba(0,0,0,0.15);
            --shadow-hover: 0 12px 40px rgba(0,0,0,0.18);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --header-height: 76px;
            --space-section: 80px;
            --space-block: 48px;
        }

        /* ===== 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-body);
            background: var(--bg-light);
            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; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; outline: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { color: var(--text-dark); line-height: 1.25; font-weight: 700; }
        h1 { font-size: 2.8rem; }
        h2 { font-size: 2.2rem; margin-bottom: 1rem; }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.2rem; }
        p { margin-bottom: 1rem; }

        /* ===== Container ===== */
        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; width: 100%; }
        .container-narrow { max-width: 880px; }

        /* ===== Grid Utilities ===== */
        .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
        .grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 28px; }
        .grid-4 { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 24px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .flex-between { display: flex; align-items: center; justify-content: space-between; }
        .flex-wrap { display: flex; flex-wrap: wrap; gap: 16px; }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 12px 32px; border-radius: 50px; font-weight: 600;
            font-size: 1rem; line-height: 1.4; border: 2px solid transparent;
            cursor: pointer; transition: var(--transition); text-align: center;
            white-space: nowrap;
        }
        .btn-primary { background: var(--primary); color: var(--text-white); border-color: var(--primary); }
        .btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: var(--text-white); transform: translateY(-2px); box-shadow: var(--shadow-md); }
        .btn-secondary { background: var(--secondary); color: var(--text-white); border-color: var(--secondary); }
        .btn-secondary:hover { background: #15263a; border-color: #15263a; color: var(--text-white); transform: translateY(-2px); }
        .btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
        .btn-outline:hover { background: var(--primary); color: var(--text-white); transform: translateY(-2px); }
        .btn-light { background: var(--text-white); color: var(--primary); border-color: var(--text-white); }
        .btn-light:hover { background: #f0f0f0; color: var(--primary-dark); transform: translateY(-2px); }
        .btn-lg { padding: 16px 48px; font-size: 1.1rem; }
        .btn-sm { padding: 8px 20px; font-size: 0.85rem; }
        .btn:focus-visible { outline: 3px solid var(--primary-light); outline-offset: 2px; }

        /* ===== Badges / Tags ===== */
        .badge {
            display: inline-block; padding: 4px 14px; border-radius: 50px;
            font-size: 0.75rem; font-weight: 600; letter-spacing: 0.3px;
            text-transform: uppercase;
        }
        .badge-primary { background: rgba(230, 57, 70, 0.12); color: var(--primary); }
        .badge-secondary { background: rgba(29, 53, 87, 0.1); color: var(--secondary); }
        .badge-accent { background: rgba(244, 162, 97, 0.15); color: #c17a3a; }
        .badge-hot { background: rgba(230, 57, 70, 0.15); color: var(--primary); }
        .badge-new { background: rgba(69, 123, 157, 0.12); color: var(--secondary-light); }

        /* ===== Section Spacing ===== */
        .section { padding: var(--space-section) 0; }
        .section-dark { background: var(--bg-dark); color: var(--text-white); }
        .section-dark h2, .section-dark h3, .section-dark h4 { color: var(--text-white); }
        .section-light { background: var(--bg-light); }
        .section-white { background: var(--bg-card); }
        .section-title { text-align: center; margin-bottom: var(--space-block); }
        .section-title h2 { margin-bottom: 12px; }
        .section-title p { color: var(--text-light); max-width: 600px; margin: 0 auto; font-size: 1.1rem; }
        .section-subtitle { display: block; font-size: 0.85rem; font-weight: 600; color: var(--primary); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 8px; }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            background: rgba(26, 26, 46, 0.95); backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255,255,255,0.06);
            height: var(--header-height); transition: var(--transition);
        }
        .site-header.scrolled { background: rgba(26, 26, 46, 0.98); box-shadow: 0 4px 30px rgba(0,0,0,0.3); }
        .header-inner { display: flex; align-items: center; height: var(--header-height); gap: 24px; }
        .site-logo { font-size: 1.5rem; font-weight: 800; color: var(--text-white); letter-spacing: -0.5px; flex-shrink: 0; }
        .site-logo span { color: var(--primary); }
        .site-logo:hover { color: var(--text-white); opacity: 0.9; }
        .nav-main { display: flex; align-items: center; gap: 8px; flex: 1; justify-content: center; }
        .nav-main a {
            padding: 8px 18px; border-radius: 50px; color: rgba(255,255,255,0.75);
            font-weight: 500; font-size: 0.95rem; transition: var(--transition);
            position: relative;
        }
        .nav-main a:hover { color: var(--text-white); background: rgba(255,255,255,0.08); }
        .nav-main a.active { color: var(--text-white); background: var(--primary); }
        .nav-main a.active:hover { background: var(--primary-dark); }
        .header-search {
            display: flex; align-items: center; background: rgba(255,255,255,0.1);
            border-radius: 50px; padding: 0 8px 0 18px; border: 1px solid rgba(255,255,255,0.08);
            transition: var(--transition); flex-shrink: 0; max-width: 280px; width: 100%;
        }
        .header-search:focus-within { background: rgba(255,255,255,0.15); border-color: var(--primary); }
        .header-search input {
            background: transparent; border: none; color: var(--text-white);
            padding: 10px 8px; width: 100%; font-size: 0.9rem;
        }
        .header-search input::placeholder { color: rgba(255,255,255,0.4); }
        .header-search button {
            background: var(--primary); border: none; color: var(--text-white);
            width: 34px; height: 34px; border-radius: 50%; cursor: pointer;
            transition: var(--transition); display: flex; align-items: center; justify-content: center;
        }
        .header-search button:hover { background: var(--primary-dark); }
        .hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; background: none; border: none; }
        .hamburger span { display: block; width: 24px; height: 2px; background: var(--text-white); border-radius: 2px; transition: var(--transition); }
        .hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
        .hamburger.active span:nth-child(2) { opacity: 0; }
        .hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

        /* ===== Hero Section ===== */
        .hero {
            min-height: 85vh; display: flex; align-items: center; position: relative;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            padding-top: var(--header-height); overflow: hidden;
        }
        .hero-bg {
            position: absolute; inset: 0; background-size: cover; background-position: center;
            opacity: 0.2; mix-blend-mode: overlay;
        }
        .hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(26,26,46,0.92) 0%, rgba(15,52,96,0.85) 100%); }
        .hero-content { position: relative; z-index: 2; padding: 60px 0; text-align: center; }
        .hero-badge { display: inline-block; background: rgba(230,57,70,0.2); color: var(--primary-light); padding: 6px 20px; border-radius: 50px; font-size: 0.85rem; font-weight: 600; margin-bottom: 20px; border: 1px solid rgba(230,57,70,0.3); }
        .hero h1 { color: var(--text-white); font-size: 3.2rem; font-weight: 800; margin-bottom: 16px; letter-spacing: -1px; }
        .hero h1 span { color: var(--primary); }
        .hero p { color: rgba(255,255,255,0.7); font-size: 1.2rem; max-width: 700px; margin: 0 auto 32px; line-height: 1.7; }
        .hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .hero-stats { display: flex; gap: 48px; justify-content: center; margin-top: 48px; flex-wrap: wrap; }
        .hero-stat { text-align: center; }
        .hero-stat .num { font-size: 2.2rem; font-weight: 800; color: var(--text-white); line-height: 1.2; }
        .hero-stat .num span { color: var(--accent); }
        .hero-stat .label { font-size: 0.85rem; color: rgba(255,255,255,0.5); margin-top: 4px; }

        /* ===== Feature Cards ===== */
        .feature-card {
            background: var(--bg-card); border-radius: var(--radius-md);
            padding: 32px 28px; box-shadow: var(--shadow-sm); border: 1px solid var(--border-light);
            transition: var(--transition); text-align: center;
        }
        .feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
        .feature-card .icon {
            width: 64px; height: 64px; border-radius: var(--radius-md);
            display: flex; align-items: center; justify-content: center;
            margin: 0 auto 20px; font-size: 1.6rem; color: var(--text-white);
        }
        .feature-card .icon.ic-primary { background: linear-gradient(135deg, var(--primary), var(--primary-light)); }
        .feature-card .icon.ic-secondary { background: linear-gradient(135deg, var(--secondary), var(--secondary-light)); }
        .feature-card .icon.ic-accent { background: linear-gradient(135deg, var(--accent), #e8893a); }
        .feature-card .icon.ic-purple { background: linear-gradient(135deg, #7c3aed, #a855f7); }
        .feature-card h3 { font-size: 1.2rem; margin-bottom: 8px; }
        .feature-card p { color: var(--text-light); font-size: 0.95rem; margin-bottom: 0; }

        /* ===== Category Cards ===== */
        .category-card {
            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); display: flex; flex-direction: column;
        }
        .category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
        .category-card .card-img { height: 200px; background-size: cover; background-position: center; position: relative; }
        .category-card .card-img .overlay {
            position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
        }
        .category-card .card-img .card-tag {
            position: absolute; top: 16px; left: 16px;
        }
        .category-card .card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
        .category-card .card-body h3 { font-size: 1.15rem; margin-bottom: 8px; }
        .category-card .card-body p { color: var(--text-light); font-size: 0.9rem; flex: 1; margin-bottom: 16px; }
        .category-card .card-footer { padding: 0 24px 20px; display: flex; align-items: center; justify-content: space-between; }
        .category-card .card-footer .count { font-size: 0.8rem; color: var(--text-light); }

        /* ===== Content / News Cards ===== */
        .content-card {
            display: flex; gap: 20px; background: var(--bg-card); border-radius: var(--radius-md);
            padding: 20px; box-shadow: var(--shadow-sm); border: 1px solid var(--border-light);
            transition: var(--transition); align-items: flex-start;
        }
        .content-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
        .content-card .card-thumb {
            width: 180px; min-height: 120px; border-radius: var(--radius-sm);
            background-size: cover; background-position: center; flex-shrink: 0;
        }
        .content-card .card-info { flex: 1; }
        .content-card .card-info h3 { font-size: 1.1rem; margin-bottom: 6px; }
        .content-card .card-info h3 a { color: var(--text-dark); }
        .content-card .card-info h3 a:hover { color: var(--primary); }
        .content-card .card-info .meta { font-size: 0.8rem; color: var(--text-light); display: flex; gap: 16px; align-items: center; margin-bottom: 8px; }
        .content-card .card-info .meta .cat { color: var(--primary); font-weight: 600; }
        .content-card .card-info .excerpt { font-size: 0.9rem; color: var(--text-light); margin-bottom: 0; }
        .content-card .card-info .excerpt a { color: var(--primary); font-weight: 500; }

        /* ===== Ticket / Event Style Cards ===== */
        .event-card {
            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); display: flex; flex-direction: column;
        }
        .event-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
        .event-card .event-date {
            background: var(--primary); color: var(--text-white); padding: 16px; text-align: center;
        }
        .event-card .event-date .day { font-size: 2rem; font-weight: 800; line-height: 1.1; }
        .event-card .event-date .month { font-size: 0.8rem; text-transform: uppercase; opacity: 0.8; }
        .event-card .event-body { padding: 20px 24px; flex: 1; display: flex; flex-direction: column; }
        .event-card .event-body h3 { font-size: 1.1rem; margin-bottom: 6px; }
        .event-card .event-body .event-meta { font-size: 0.85rem; color: var(--text-light); margin-bottom: 12px; display: flex; gap: 16px; }
        .event-card .event-body .event-meta i { width: 16px; }
        .event-card .event-body p { font-size: 0.9rem; color: var(--text-light); flex: 1; margin-bottom: 16px; }
        .event-card .event-footer { padding: 0 24px 20px; display: flex; align-items: center; justify-content: space-between; }

        /* ===== Timeline ===== */
        .timeline { position: relative; padding-left: 40px; }
        .timeline::before { content: ''; position: absolute; left: 14px; top: 4px; bottom: 4px; width: 2px; background: linear-gradient(to bottom, var(--primary), var(--secondary-light)); }
        .timeline-item { position: relative; margin-bottom: 32px; padding-left: 24px; }
        .timeline-item::before { content: ''; position: absolute; left: -30px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--primary); border: 3px solid var(--bg-light); }
        .timeline-item .time { font-size: 0.8rem; color: var(--primary); font-weight: 600; display: block; margin-bottom: 4px; }
        .timeline-item h4 { margin-bottom: 4px; }
        .timeline-item p { color: var(--text-light); font-size: 0.9rem; margin-bottom: 0; }

        /* ===== Countdown ===== */
        .countdown-wrap { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .countdown-block { text-align: center; background: rgba(255,255,255,0.08); border-radius: var(--radius-md); padding: 16px 24px; min-width: 80px; border: 1px solid rgba(255,255,255,0.1); }
        .countdown-block .num { font-size: 2.4rem; font-weight: 800; color: var(--text-white); line-height: 1.2; }
        .countdown-block .label { font-size: 0.7rem; color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 1px; }

        /* ===== FAQ ===== */
        .faq-item { border-bottom: 1px solid var(--border-light); padding: 16px 0; }
        .faq-item:first-child { padding-top: 0; }
        .faq-question {
            display: flex; align-items: center; justify-content: space-between;
            cursor: pointer; font-weight: 600; color: var(--text-dark); font-size: 1.05rem;
            padding: 8px 0; background: none; border: none; width: 100%; text-align: left;
        }
        .faq-question i { color: var(--primary); transition: var(--transition); font-size: 0.8rem; }
        .faq-question.open i { transform: rotate(180deg); }
        .faq-answer { padding: 0 0 8px; color: var(--text-light); font-size: 0.95rem; display: none; }
        .faq-answer.open { display: block; }
        .faq-item:first-child .faq-answer { display: block; }
        .faq-item:first-child .faq-question i { transform: rotate(180deg); }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #0f3460 100%);
            padding: 72px 0; text-align: center; position: relative; overflow: hidden;
        }
        .cta-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center/cover; opacity: 0.06; }
        .cta-section h2 { color: var(--text-white); font-size: 2.4rem; margin-bottom: 12px; position: relative; }
        .cta-section p { color: rgba(255,255,255,0.7); max-width: 600px; margin: 0 auto 32px; position: relative; }
        .cta-section .btn { position: relative; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark); color: rgba(255,255,255,0.6); padding: 48px 0 24px;
            border-top: 1px solid rgba(255,255,255,0.05);
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 32px; }
        .footer-brand .site-logo { margin-bottom: 12px; display: inline-block; }
        .footer-brand p { font-size: 0.9rem; max-width: 320px; }
        .footer-col h4 { color: var(--text-white); font-size: 1rem; margin-bottom: 16px; }
        .footer-col a { display: block; color: rgba(255,255,255,0.5); font-size: 0.9rem; padding: 4px 0; }
        .footer-col a:hover { color: var(--primary-light); }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 20px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 0.85rem; }

        /* ===== Crumbs ===== */
        .crumbs { padding: 16px 0; font-size: 0.85rem; background: var(--bg-light); border-bottom: 1px solid var(--border-light); }
        .crumbs a { color: var(--text-light); }
        .crumbs a:hover { color: var(--primary); }
        .crumbs span { color: var(--text-body); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root { --space-section: 60px; }
            .grid-4 { grid-template-columns: 1fr 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .hero h1 { font-size: 2.6rem; }
        }
        @media (max-width: 768px) {
            :root { --space-section: 48px; --header-height: 64px; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .grid-2, .grid-3 { grid-template-columns: 1fr; }
            .grid-4 { grid-template-columns: 1fr 1fr; gap: 16px; }
            .nav-main { display: none; position: absolute; top: var(--header-height); left: 0; right: 0; background: rgba(26,26,46,0.98); flex-direction: column; padding: 16px 24px; border-bottom: 1px solid rgba(255,255,255,0.06); }
            .nav-main.open { display: flex; }
            .nav-main a { width: 100%; text-align: center; }
            .hamburger { display: flex; }
            .header-search { max-width: 200px; }
            .hero h1 { font-size: 2rem; }
            .hero p { font-size: 1rem; }
            .hero-stats { gap: 24px; }
            .hero-stat .num { font-size: 1.6rem; }
            .content-card { flex-direction: column; }
            .content-card .card-thumb { width: 100%; height: 160px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-section h2 { font-size: 1.8rem; }
            .event-card .event-date { padding: 12px; }
            .event-card .event-date .day { font-size: 1.4rem; }
            .countdown-block { padding: 12px 16px; min-width: 60px; }
            .countdown-block .num { font-size: 1.6rem; }
        }
        @media (max-width: 520px) {
            .grid-4 { grid-template-columns: 1fr; }
            .hero h1 { font-size: 1.6rem; }
            .hero-actions .btn { padding: 10px 24px; font-size: 0.9rem; }
            .section-title p { font-size: 0.95rem; }
            .feature-card { padding: 24px 20px; }
            .category-card .card-img { height: 160px; }
        }

        /* ===== Utility ===== */
        .text-center { text-align: center; }
        .mt-1 { margin-top: 16px; }
        .mt-2 { margin-top: 32px; }
        .mb-1 { margin-bottom: 16px; }
        .mb-2 { margin-bottom: 32px; }
        .gap-sm { gap: 16px; }
        .gap-md { gap: 24px; }
        .text-primary { color: var(--primary); }
        .text-light { color: var(--text-light); }
        .bg-primary-soft { background: rgba(230,57,70,0.06); }
        .rounded-full { border-radius: 50px; }

        /* ===== Animation ===== */
        @keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
        .animate-fade-up { animation: fadeUp 0.6s ease-out forwards; }
        .delay-1 { animation-delay: 0.1s; }
        .delay-2 { animation-delay: 0.2s; }
        .delay-3 { animation-delay: 0.3s; }
        .delay-4 { animation-delay: 0.4s; }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --bg-light: #f8f9fa;
            --bg-white: #ffffff;
            --bg-dark: #0d1b2a;
            --text-dark: #1a1a2e;
            --text-main: #2d3748;
            --text-muted: #6c757d;
            --text-light: #e9ecef;
            --border: #dee2e6;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 20px rgba(0,0,0,0.08);
            --shadow-hover: 0 12px 40px rgba(0,0,0,0.15);
            --shadow-card: 0 2px 12px rgba(0,0,0,0.06);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: var(--font-sans);
            color: var(--text-main);
            background: var(--bg-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        a:focus-visible { outline: 3px solid var(--primary-light); outline-offset: 2px; }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { color: var(--text-dark); font-weight: 700; line-height: 1.3; }
        h1 { font-size: 2.2rem; }
        h2 { font-size: 1.8rem; }
        h3 { font-size: 1.4rem; }
        h4 { font-size: 1.15rem; }
        p { margin-bottom: 1rem; color: var(--text-main); }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* ===== Foundation Overrides ===== */
        .grid-container { max-width: var(--container-max); padding: 0 24px; }
        .grid-x { margin: 0 -12px; }
        .cell { padding: 0 12px; }
        .button {
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: var(--transition);
            padding: 12px 28px;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .button.primary { background: var(--primary); color: #fff; }
        .button.primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(230,57,70,0.35); }
        .button.secondary { background: var(--secondary); color: #fff; }
        .button.secondary:hover { background: #15263b; transform: translateY(-2px); }
        .button.hollow { border: 2px solid var(--primary); color: var(--primary); background: transparent; }
        .button.hollow:hover { background: var(--primary); color: #fff; }

        /* ===== Header & Navigation ===== */
        .site-header {
            background: var(--bg-white);
            box-shadow: 0 2px 20px rgba(0,0,0,0.06);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            backdrop-filter: blur(12px);
            background: rgba(255,255,255,0.95);
            border-bottom: 1px solid rgba(0,0,0,0.04);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .site-logo span { color: var(--primary); }
        .site-logo:hover { color: var(--text-dark); transform: scale(1.02); }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-main a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            color: var(--text-main);
            font-weight: 500;
            font-size: 0.92rem;
            position: relative;
            transition: var(--transition);
        }
        .nav-main a:hover { color: var(--primary); background: rgba(230,57,70,0.06); }
        .nav-main a.active { color: var(--primary); background: rgba(230,57,70,0.1); font-weight: 600; }
        .nav-main a.active::after { display: none; }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border-radius: 50px;
            padding: 0 16px;
            border: 1px solid var(--border);
            transition: var(--transition);
            max-width: 240px;
            width: 100%;
        }
        .nav-search:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(230,57,70,0.12); }
        .nav-search i { color: var(--text-muted); font-size: 0.9rem; }
        .nav-search input {
            border: none;
            background: transparent;
            padding: 8px 10px;
            font-size: 0.88rem;
            width: 100%;
            outline: none;
            color: var(--text-main);
        }
        .nav-search input::placeholder { color: var(--text-muted); }
        .menu-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--text-dark); cursor: pointer; padding: 8px; }

        /* ===== Article Hero ===== */
        .article-hero {
            background: var(--bg-dark);
            background-image: linear-gradient(135deg, rgba(13,27,42,0.92), rgba(29,53,87,0.88)), url(/assets/images/backpic/back-2.png);
            background-size: cover;
            background-position: center;
            padding: 80px 0 60px;
            text-align: center;
            position: relative;
        }
        .article-hero h1 {
            color: #fff;
            font-size: 2.4rem;
            max-width: 800px;
            margin: 0 auto 16px;
            line-height: 1.35;
        }
        .article-meta {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            color: rgba(255,255,255,0.75);
            font-size: 0.92rem;
        }
        .article-meta .badge {
            background: var(--primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 600;
        }
        .article-meta i { margin-right: 6px; }

        /* ===== Article Content ===== */
        .article-section { padding: 60px 0; }
        .article-body {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            padding: 48px;
            max-width: 860px;
            margin: 0 auto;
        }
        .article-body .content p { margin-bottom: 1.2rem; font-size: 1.05rem; line-height: 1.85; }
        .article-body .content h2, .article-body .content h3 { margin-top: 2rem; margin-bottom: 0.8rem; }
        .article-body .content ul, .article-body .content ol { margin-bottom: 1.2rem; padding-left: 1.5rem; list-style: disc; }
        .article-body .content ul li, .article-body .content ol li { margin-bottom: 0.4rem; color: var(--text-main); }
        .article-body .content img { border-radius: var(--radius-sm); margin: 1.5rem 0; box-shadow: var(--shadow); }
        .article-body .content blockquote {
            border-left: 4px solid var(--primary);
            background: var(--bg-light);
            padding: 16px 24px;
            margin: 1.5rem 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-muted);
            font-style: italic;
        }
        .article-body .content a { color: var(--primary); text-decoration: underline; }
        .article-body .content a:hover { color: var(--primary-dark); }
        .article-not-found {
            text-align: center;
            padding: 80px 20px;
        }
        .article-not-found i { font-size: 4rem; color: var(--text-muted); margin-bottom: 20px; }
        .article-not-found h2 { font-size: 1.8rem; margin-bottom: 12px; }
        .article-not-found p { color: var(--text-muted); margin-bottom: 24px; }

        /* ===== Article Footer Nav ===== */
        .article-nav-links {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            margin-top: 40px;
            padding-top: 32px;
            border-top: 1px solid var(--border);
            flex-wrap: wrap;
        }
        .article-nav-links a { display: flex; align-items: center; gap: 8px; font-weight: 500; color: var(--secondary); }
        .article-nav-links a:hover { color: var(--primary); }

        /* ===== Related Section ===== */
        .related-section { background: var(--bg-light); padding: 60px 0; }
        .related-section h2 { text-align: center; margin-bottom: 40px; font-size: 1.6rem; }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
        }
        .related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
        .related-card img { width: 100%; height: 180px; object-fit: cover; border-radius: 0; }
        .related-card .card-body { padding: 20px; }
        .related-card .card-body h3 { font-size: 1.05rem; margin-bottom: 8px; }
        .related-card .card-body h3 a { color: var(--text-dark); }
        .related-card .card-body h3 a:hover { color: var(--primary); }
        .related-card .card-body p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0; }
        .related-card .card-meta { font-size: 0.82rem; color: var(--text-muted); margin-top: 10px; display: flex; gap: 12px; }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-dark);
            background-image: linear-gradient(135deg, rgba(13,27,42,0.92), rgba(29,53,87,0.88)), url(/assets/images/backpic/back-3.png);
            background-size: cover;
            background-position: center;
            padding: 80px 0;
            text-align: center;
            color: #fff;
        }
        .cta-section h2 { color: #fff; font-size: 2rem; margin-bottom: 16px; }
        .cta-section p { color: rgba(255,255,255,0.8); max-width: 600px; margin: 0 auto 28px; font-size: 1.05rem; }
        .cta-section .button { font-size: 1.05rem; padding: 14px 36px; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.8);
            padding: 60px 0 30px;
        }
        .site-footer .site-logo { color: #fff; margin-bottom: 16px; }
        .site-footer .site-logo span { color: var(--primary-light); }
        .site-footer p { color: rgba(255,255,255,0.65); font-size: 0.9rem; max-width: 360px; line-height: 1.6; }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 18px; font-weight: 600; }
        .footer-col a {
            display: block;
            color: rgba(255,255,255,0.65);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--primary-light); padding-left: 4px; }
        .footer-col a i { width: 22px; text-align: center; margin-right: 6px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
        }
        .footer-bottom span { display: inline-block; }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .article-body { padding: 32px; }
            .article-hero h1 { font-size: 2rem; }
        }
        @media (max-width: 768px) {
            :root { --nav-height: 64px; }
            .menu-toggle { display: block; }
            .nav-main {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                padding: 20px 24px;
                box-shadow: 0 20px 40px rgba(0,0,0,0.12);
                border-radius: 0 0 var(--radius) var(--radius);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                gap: 4px;
            }
            .nav-main.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
            .nav-main a { width: 100%; padding: 12px 16px; font-size: 1rem; }
            .nav-search { max-width: 180px; }
            .article-hero { padding: 60px 0 40px; }
            .article-hero h1 { font-size: 1.6rem; }
            .article-body { padding: 24px; }
            .article-meta { gap: 12px; font-size: 0.85rem; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .article-nav-links { flex-direction: column; align-items: center; text-align: center; }
            .cta-section h2 { font-size: 1.6rem; }
            .cta-section .button { width: 100%; max-width: 320px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .article-hero h1 { font-size: 1.3rem; }
            .article-body { padding: 16px; }
            .article-body .content p { font-size: 0.98rem; }
            .related-card img { height: 140px; }
            .site-logo { font-size: 1.2rem; }
            .nav-search { max-width: 140px; }
            .nav-search input { font-size: 0.82rem; }
        }

        /* ===== Accessibility & Print ===== */
        @media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; } }
        @media print { .site-header, .site-footer, .cta-section, .related-section { display: none; } .article-body { box-shadow: none; padding: 0; } }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --bg-light: #f8f9fa;
            --bg-white: #ffffff;
            --bg-dark: #1a1a2e;
            --text-dark: #1a1a2e;
            --text-body: #3d3d4a;
            --text-muted: #6c757d;
            --text-light: #f8f9fa;
            --border: #e0e0e0;
            --border-light: #f0f0f0;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow: 0 4px 20px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-body: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--header-height);
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover, a:focus { color: var(--primary-dark); }
        a:focus-visible { outline: 3px solid var(--primary-light); outline-offset: 2px; }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button, input, textarea, select { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; color: var(--text-dark); font-weight: 700; }
        h1 { font-size: 2.8rem; }
        h2 { font-size: 2.2rem; margin-bottom: 1rem; }
        h3 { font-size: 1.4rem; margin-bottom: 0.6rem; }
        h4 { font-size: 1.15rem; margin-bottom: 0.4rem; }
        p { margin-bottom: 1rem; }
        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
        .section { padding: 80px 0; }
        .section-title { text-align: center; margin-bottom: 3rem; }
        .section-title h2 { position: relative; display: inline-block; }
        .section-title h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin: 12px auto 0;
        }
        .section-title p { color: var(--text-muted); max-width: 600px; margin: 0.8rem auto 0; font-size: 1.05rem; }
        .text-center { text-align: center; }
        .text-muted { color: var(--text-muted); }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-height);
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0,0,0,0.04);
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 2px;
        }
        .site-logo span { color: var(--primary); }
        .site-logo:hover { color: var(--text-dark); opacity: 0.9; }

        .nav-main { display: flex; align-items: center; gap: 8px; }
        .nav-main a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-body);
            transition: var(--transition);
            position: relative;
        }
        .nav-main a:hover { color: var(--primary); background: rgba(230, 57, 70, 0.06); }
        .nav-main a.active {
            color: var(--bg-white);
            background: var(--primary);
        }
        .nav-main a.active:hover { background: var(--primary-dark); }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border-radius: 50px;
            padding: 0 16px;
            border: 1.5px solid transparent;
            transition: var(--transition);
            margin-left: 16px;
        }
        .search-box:focus-within { border-color: var(--primary); background: var(--bg-white); box-shadow: 0 0 0 4px rgba(230,57,70,0.08); }
        .search-box i { color: var(--text-muted); font-size: 1rem; }
        .search-box input {
            border: none;
            background: transparent;
            padding: 10px 12px;
            font-size: 0.92rem;
            color: var(--text-dark);
            width: 200px;
            outline: none;
        }
        .search-box input::placeholder { color: var(--text-muted); }

        .menu-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--text-dark); cursor: pointer; padding: 4px 8px; }

        /* ===== Mobile Nav ===== */
        @media (max-width: 1024px) {
            .search-box input { width: 140px; }
        }
        @media (max-width: 768px) {
            body { padding-top: 64px; }
            .site-header { height: 64px; }
            .site-logo { font-size: 1.3rem; }
            .nav-main {
                position: fixed;
                top: 64px;
                left: 0;
                width: 100%;
                background: var(--bg-white);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                box-shadow: 0 12px 30px rgba(0,0,0,0.1);
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                border-bottom: 2px solid var(--border-light);
                z-index: 999;
            }
            .nav-main.open { transform: translateY(0); opacity: 1; }
            .nav-main a { width: 100%; padding: 12px 16px; font-size: 1rem; }
            .search-box { width: 100%; margin-left: 0; margin-top: 8px; }
            .search-box input { width: 100%; }
            .menu-toggle { display: block; }
        }

        /* ===== Banner / Hero ===== */
        .page-banner {
            position: relative;
            padding: 100px 0 80px;
            background: var(--bg-dark);
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            text-align: center;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,26,46,0.85) 0%, rgba(230,57,70,0.55) 100%);
            z-index: 1;
        }
        .page-banner .container { position: relative; z-index: 2; }
        .page-banner h1 {
            color: var(--text-light);
            font-size: 3.2rem;
            font-weight: 800;
            margin-bottom: 1rem;
            text-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }
        .page-banner p {
            color: rgba(255,255,255,0.85);
            font-size: 1.15rem;
            max-width: 680px;
            margin: 0 auto 1.6rem;
            line-height: 1.7;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(255,255,255,0.15);
            backdrop-filter: blur(8px);
            padding: 6px 24px;
            border-radius: 50px;
            color: var(--text-light);
            font-size: 0.9rem;
            font-weight: 500;
            margin-bottom: 1.2rem;
            border: 1px solid rgba(255,255,255,0.2);
        }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); }
        .card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
        .card-body { padding: 20px 24px 24px; flex: 1; display: flex; flex-direction: column; }
        .card-body h3 { font-size: 1.15rem; margin-bottom: 0.4rem; }
        .card-body h3 a { color: var(--text-dark); }
        .card-body h3 a:hover { color: var(--primary); }
        .card-body p { color: var(--text-muted); font-size: 0.92rem; line-height: 1.6; flex: 1; margin-bottom: 0.8rem; }
        .card-meta { display: flex; align-items: center; gap: 16px; font-size: 0.85rem; color: var(--text-muted); margin-top: auto; padding-top: 12px; border-top: 1px solid var(--border-light); }
        .card-meta i { margin-right: 4px; }
        .card .tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            background: rgba(230,57,70,0.08);
            color: var(--primary);
            margin-bottom: 8px;
            align-self: flex-start;
        }

        /* ===== Grids ===== */
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }

        @media (max-width: 1024px) {
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; gap: 20px; }
            .section { padding: 56px 0; }
            .page-banner { padding: 72px 0 56px; }
            .page-banner h1 { font-size: 2rem; }
            .page-banner p { font-size: 1rem; }
            h2 { font-size: 1.7rem; }
        }

        /* ===== Timeline ===== */
        .timeline { position: relative; padding: 0; max-width: 800px; margin: 0 auto; }
        .timeline::before {
            content: '';
            position: absolute;
            left: 24px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(to bottom, var(--primary), var(--secondary));
            border-radius: 4px;
        }
        .timeline-item { position: relative; padding-left: 64px; margin-bottom: 36px; }
        .timeline-item:last-child { margin-bottom: 0; }
        .timeline-dot {
            position: absolute;
            left: 14px;
            top: 4px;
            width: 22px;
            height: 22px;
            background: var(--primary);
            border: 4px solid var(--bg-white);
            border-radius: 50%;
            box-shadow: 0 0 0 3px var(--primary-light), var(--shadow-sm);
            z-index: 1;
        }
        .timeline-content {
            background: var(--bg-white);
            padding: 20px 24px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .timeline-content:hover { box-shadow: var(--shadow); }
        .timeline-content .time { font-size: 0.85rem; color: var(--primary); font-weight: 600; display: block; margin-bottom: 4px; }
        .timeline-content h4 { font-size: 1.05rem; margin-bottom: 0.2rem; }
        .timeline-content p { font-size: 0.92rem; color: var(--text-muted); margin-bottom: 0; }

        @media (max-width: 600px) {
            .timeline::before { left: 16px; }
            .timeline-item { padding-left: 48px; }
            .timeline-dot { left: 8px; width: 18px; height: 18px; }
            .timeline-content { padding: 14px 18px; }
        }

        /* ===== Stats ===== */
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .stat-card {
            text-align: center;
            background: var(--bg-white);
            padding: 36px 20px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .stat-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
        .stat-number { font-size: 2.8rem; font-weight: 800; color: var(--primary); line-height: 1.2; margin-bottom: 4px; }
        .stat-label { font-size: 0.95rem; color: var(--text-muted); font-weight: 500; }

        @media (max-width: 768px) {
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .stat-number { font-size: 2rem; }
        }
        @media (max-width: 480px) {
            .stats-grid { grid-template-columns: 1fr 1fr; }
        }

        /* ===== Category Tags ===== */
        .category-tags { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 2.5rem; }
        .category-tag {
            padding: 8px 24px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--bg-white);
            color: var(--text-body);
            border: 1.5px solid var(--border);
            transition: var(--transition);
            cursor: pointer;
        }
        .category-tag:hover, .category-tag.active { background: var(--primary); color: var(--bg-white); border-color: var(--primary); box-shadow: 0 4px 14px rgba(230,57,70,0.25); }

        /* ===== FAQ ===== */
        .faq-list { max-width: 780px; margin: 0 auto; }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow); }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1.02rem;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover { color: var(--primary); }
        .faq-question i { transition: transform 0.3s; color: var(--primary); font-size: 1.2rem; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-dark);
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            padding: 80px 0;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,26,46,0.88) 0%, rgba(230,57,70,0.6) 100%);
            z-index: 1;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 { color: var(--text-light); font-size: 2.4rem; margin-bottom: 0.8rem; }
        .cta-section p { color: rgba(255,255,255,0.8); font-size: 1.1rem; max-width: 560px; margin: 0 auto 2rem; }
        .btn {
            display: inline-block;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            text-align: center;
        }
        .btn-primary { background: var(--primary); color: var(--bg-white); box-shadow: 0 4px 16px rgba(230,57,70,0.3); }
        .btn-primary:hover { background: var(--primary-dark); color: var(--bg-white); box-shadow: 0 6px 24px rgba(230,57,70,0.4); transform: translateY(-2px); }
        .btn-outline-light { background: transparent; color: var(--text-light); border: 2px solid rgba(255,255,255,0.4); }
        .btn-outline-light:hover { background: rgba(255,255,255,0.1); border-color: var(--text-light); color: var(--text-light); transform: translateY(-2px); }
        .btn-lg { padding: 16px 48px; font-size: 1.1rem; }
        .btn-group { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

        /* ===== Featured Post ===== */
        .featured { background: var(--bg-white); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: row; }
        .featured-img { flex: 0 0 48%; min-height: 320px; object-fit: cover; }
        .featured-body { flex: 1; padding: 36px 40px; display: flex; flex-direction: column; justify-content: center; }
        .featured-body .tag { margin-bottom: 10px; }
        .featured-body h2 { font-size: 1.8rem; margin-bottom: 0.6rem; }
        .featured-body p { color: var(--text-muted); font-size: 1.02rem; margin-bottom: 1.2rem; }
        .featured-body .btn { align-self: flex-start; }

        @media (max-width: 768px) {
            .featured { flex-direction: column; }
            .featured-img { flex: 0 0 auto; width: 100%; min-height: 220px; }
            .featured-body { padding: 24px 20px; }
            .featured-body h2 { font-size: 1.4rem; }
            .cta-section h2 { font-size: 1.6rem; }
            .btn-lg { padding: 14px 32px; font-size: 1rem; }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 0;
        }
        .footer-grid { display: grid; grid-template-columns: 1.8fr 1fr 1fr 1.4fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand .site-logo { color: var(--text-light); font-size: 1.4rem; margin-bottom: 0.8rem; display: inline-block; }
        .footer-brand p { font-size: 0.92rem; line-height: 1.7; margin-top: 0.6rem; max-width: 320px; }
        .footer-col h4 { color: var(--text-light); font-size: 1.05rem; margin-bottom: 1.2rem; font-weight: 700; }
        .footer-col a { display: block; color: rgba(255,255,255,0.6); font-size: 0.92rem; padding: 4px 0; transition: var(--transition); }
        .footer-col a:hover { color: var(--primary-light); transform: translateX(4px); }
        .footer-col a i { margin-right: 8px; width: 18px; text-align: center; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.88rem;
            color: rgba(255,255,255,0.4);
        }

        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }
        @media (max-width: 600px) {
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* ===== Utility ===== */
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .gap-1 { gap: 1rem; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .bg-white { background: var(--bg-white); }
        .bg-light { background: var(--bg-light); }
        .rounded { border-radius: var(--radius); }
        .shadow { box-shadow: var(--shadow); }

        /* ===== Featured Mini Card ===== */
        .mini-card {
            display: flex;
            gap: 16px;
            background: var(--bg-white);
            padding: 16px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            align-items: center;
        }
        .mini-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
        .mini-card img { width: 100px; height: 70px; object-fit: cover; border-radius: var(--radius-sm); flex-shrink: 0; }
        .mini-card .info h4 { font-size: 0.98rem; margin-bottom: 2px; }
        .mini-card .info h4 a { color: var(--text-dark); }
        .mini-card .info h4 a:hover { color: var(--primary); }
        .mini-card .info .meta { font-size: 0.82rem; color: var(--text-muted); }

        @media (max-width: 600px) {
            .mini-card { flex-direction: column; align-items: flex-start; }
            .mini-card img { width: 100%; height: 140px; }
        }

/* roulang page: category2 */
/* ===== :root 设计变量 ===== */
        :root {
            --primary: #0a7e8c;
            --primary-dark: #065a65;
            --primary-light: #e0f2f5;
            --accent: #f5a623;
            --accent-dark: #d4891a;
            --bg-body: #f4f6f8;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-dark: #1a1a2e;
            --text-dark: #1a1a2e;
            --text-mid: #4a4a5a;
            --text-light: #7a7a8a;
            --text-white: #ffffff;
            --border-light: #e6eaef;
            --border-mid: #c8ced6;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.10);
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 2rem;
            --space-lg: 4rem;
            --space-xl: 6rem;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --transition: 0.25s ease;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-body);
            color: var(--text-dark);
            line-height: 1.7;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-dark);
        }
        h1 {
            font-size: clamp(2rem, 5vw, 3.2rem);
        }
        h2 {
            font-size: clamp(1.5rem, 3.5vw, 2.2rem);
        }
        h3 {
            font-size: clamp(1.2rem, 2.5vw, 1.5rem);
        }
        p {
            color: var(--text-mid);
            margin-bottom: 0.8rem;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-sm);
        }
        .container-narrow {
            max-width: 900px;
        }
        .container-wide {
            max-width: 1400px;
        }

        /* ===== 导航 ===== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.6rem 0;
            flex-wrap: nowrap;
        }
        .site-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .site-logo span {
            color: var(--primary);
        }
        .site-logo:hover {
            color: var(--primary);
        }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .nav-main::-webkit-scrollbar {
            display: none;
        }
        .nav-main a {
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            color: var(--text-mid);
            font-weight: 500;
            font-size: 0.95rem;
            white-space: nowrap;
            transition: background var(--transition), color var(--transition);
        }
        .nav-main a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .nav-main a.active {
            background: var(--primary);
            color: var(--text-white);
        }
        .nav-main a.active:hover {
            background: var(--primary-dark);
        }
        .header-search {
            display: flex;
            align-items: center;
            background: var(--bg-body);
            border-radius: 30px;
            padding: 0.3rem 0.3rem 0.3rem 1rem;
            border: 1px solid var(--border-light);
            transition: border var(--transition), box-shadow var(--transition);
            flex-shrink: 0;
            min-width: 180px;
            max-width: 260px;
            margin-left: 0.5rem;
        }
        .header-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(10, 126, 140, 0.15);
        }
        .header-search input {
            background: transparent;
            border: none;
            padding: 0.4rem 0;
            font-size: 0.9rem;
            color: var(--text-dark);
            width: 100%;
            min-width: 80px;
        }
        .header-search input::placeholder {
            color: var(--text-light);
        }
        .header-search button {
            background: var(--primary);
            color: #fff;
            border-radius: 30px;
            padding: 0.4rem 1rem;
            font-size: 0.85rem;
            font-weight: 600;
            transition: background var(--transition);
            white-space: nowrap;
        }
        .header-search button:hover {
            background: var(--primary-dark);
        }
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text-dark);
            padding: 0.25rem 0.5rem;
            cursor: pointer;
            background: none;
            border: none;
        }

        /* ===== Hero ===== */
        .hero-guide {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            min-height: 340px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: var(--space-lg) var(--space-sm);
        }
        .hero-guide::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 126, 140, 0.82) 0%, rgba(26, 26, 46, 0.72) 100%);
            z-index: 1;
        }
        .hero-guide .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .hero-guide h1 {
            color: var(--text-white);
            font-size: clamp(2.2rem, 5.5vw, 3.4rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 0.6rem;
        }
        .hero-guide p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.1rem;
            max-width: 580px;
            margin: 0 auto 1.5rem;
        }
        .hero-search-box {
            display: flex;
            max-width: 520px;
            margin: 0 auto;
            background: var(--bg-white);
            border-radius: 50px;
            padding: 0.3rem;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
        }
        .hero-search-box input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 0.7rem 1.2rem;
            font-size: 1rem;
            color: var(--text-dark);
            min-width: 0;
        }
        .hero-search-box input::placeholder {
            color: var(--text-light);
        }
        .hero-search-box button {
            background: var(--accent);
            color: #fff;
            border-radius: 50px;
            padding: 0.7rem 1.8rem;
            font-weight: 700;
            font-size: 0.95rem;
            transition: background var(--transition), transform var(--transition);
            white-space: nowrap;
        }
        .hero-search-box button:hover {
            background: var(--accent-dark);
            transform: scale(1.02);
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: var(--space-lg) 0;
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-dark h2,
        .section-dark h3,
        .section-dark p {
            color: var(--text-white);
        }
        .section-light {
            background: var(--bg-white);
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--space-md);
        }
        .section-header h2 {
            margin-bottom: 0.5rem;
        }
        .section-header p {
            max-width: 560px;
            margin: 0 auto;
            color: var(--text-light);
        }
        .section-header .subtitle {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            padding: 0.2rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 0.8rem;
        }

        /* ===== 标签导航 ===== */
        .tag-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            justify-content: center;
            margin-bottom: var(--space-md);
        }
        .tag-nav a {
            display: inline-block;
            padding: 0.5rem 1.4rem;
            border-radius: 30px;
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            color: var(--text-mid);
            font-weight: 500;
            font-size: 0.9rem;
            transition: all var(--transition);
        }
        .tag-nav a:hover,
        .tag-nav a.active-tag {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
        }

        /* ===== 卡片 ===== */
        .card-guide {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .card-guide:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .card-guide .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .card-guide .card-body {
            padding: 1.2rem 1.2rem 1.4rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-guide .card-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.15rem 0.7rem;
            border-radius: 20px;
            margin-bottom: 0.5rem;
            align-self: flex-start;
        }
        .card-guide h3 {
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }
        .card-guide h3 a {
            color: var(--text-dark);
        }
        .card-guide h3 a:hover {
            color: var(--primary);
        }
        .card-guide p {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 0.8rem;
            flex: 1;
        }
        .card-guide .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--text-light);
            border-top: 1px solid var(--border-light);
            padding-top: 0.8rem;
            margin-top: auto;
        }
        .card-guide .card-meta i {
            margin-right: 0.3rem;
        }
        .card-guide .card-meta .views {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        /* ===== 卡片网格 ===== */
        .grid-guide {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 1.5rem;
        }
        .grid-3 {
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        }
        .grid-2 {
            grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
        }

        /* ===== 精品推荐 ===== */
        .featured-list .featured-item {
            display: flex;
            gap: 1.2rem;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 1rem;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
            margin-bottom: 1rem;
            align-items: flex-start;
        }
        .featured-list .featured-item:hover {
            transform: translateX(4px);
            box-shadow: var(--shadow-md);
        }
        .featured-list .featured-img {
            width: 140px;
            min-height: 90px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            aspect-ratio: 16 / 10;
        }
        .featured-list .featured-info {
            flex: 1;
            min-width: 0;
        }
        .featured-list .featured-info h4 {
            font-size: 1.05rem;
            margin-bottom: 0.3rem;
        }
        .featured-list .featured-info h4 a {
            color: var(--text-dark);
        }
        .featured-list .featured-info h4 a:hover {
            color: var(--primary);
        }
        .featured-list .featured-info p {
            font-size: 0.88rem;
            color: var(--text-light);
            margin-bottom: 0.3rem;
        }
        .featured-list .featured-info .meta {
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .featured-list .featured-info .meta i {
            margin-right: 0.2rem;
        }

        /* ===== 排行榜 ===== */
        .rank-list {
            counter-reset: rank;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 0.9rem 0;
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition);
        }
        .rank-item:last-child {
            border-bottom: none;
        }
        .rank-item:hover {
            background: var(--primary-light);
            border-radius: var(--radius-sm);
            padding-left: 0.5rem;
            padding-right: 0.5rem;
        }
        .rank-item::before {
            counter-increment: rank;
            content: counter(rank);
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--border-light);
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--text-mid);
            flex-shrink: 0;
        }
        .rank-item:nth-child(1)::before {
            background: var(--accent);
            color: #fff;
        }
        .rank-item:nth-child(2)::before {
            background: #b0b8c4;
            color: #fff;
        }
        .rank-item:nth-child(3)::before {
            background: #cd7f4b;
            color: #fff;
        }
        .rank-item .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-item .rank-info h5 {
            font-size: 1rem;
            margin-bottom: 0.15rem;
        }
        .rank-item .rank-info .rank-meta {
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .rank-item .rank-score {
            font-weight: 700;
            color: var(--primary);
            font-size: 1.1rem;
            white-space: nowrap;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 1.2rem 1.5rem;
            box-shadow: var(--shadow-sm);
            margin-bottom: 0.8rem;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-item .faq-q {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 0.6rem;
            cursor: pointer;
        }
        .faq-item .faq-q i {
            color: var(--primary);
            font-size: 1.1rem;
        }
        .faq-item .faq-a {
            margin-top: 0.6rem;
            padding-left: 1.8rem;
            color: var(--text-mid);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-lg);
            padding: var(--space-md) var(--space-sm);
            text-align: center;
            color: var(--text-white);
        }
        .cta-block h3 {
            color: var(--text-white);
            font-size: 1.6rem;
            margin-bottom: 0.5rem;
        }
        .cta-block p {
            color: rgba(255, 255, 255, 0.85);
            max-width: 520px;
            margin: 0 auto 1.2rem;
        }
        .cta-block .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            justify-content: center;
        }
        .btn {
            display: inline-block;
            padding: 0.7rem 2rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            text-align: center;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(245, 166, 35, 0.35);
            color: #fff;
        }
        .btn-outline-light {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.8);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            transform: translateY(-2px);
            color: #fff;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: var(--space-lg) 0 0;
        }
        .site-footer a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition);
        }
        .site-footer a:hover {
            color: #fff;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: var(--space-md);
            margin-bottom: var(--space-md);
        }
        .footer-brand .site-logo {
            color: #fff;
            font-size: 1.4rem;
            display: inline-block;
            margin-bottom: 0.8rem;
        }
        .footer-brand .site-logo span {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 0.8rem;
            font-weight: 600;
        }
        .footer-col a {
            display: block;
            padding: 0.25rem 0;
            font-size: 0.9rem;
        }
        .footer-col a i {
            margin-right: 0.4rem;
            width: 1rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 1.2rem 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .grid-2 {
                grid-template-columns: 1fr;
            }
            .featured-list .featured-img {
                width: 110px;
                min-height: 72px;
            }
        }
        @media (max-width: 820px) {
            .header-inner {
                flex-wrap: wrap;
                gap: 0.5rem;
            }
            .mobile-toggle {
                display: block;
                order: 3;
            }
            .nav-main {
                order: 4;
                width: 100%;
                display: none;
                flex-direction: column;
                background: var(--bg-white);
                border-top: 1px solid var(--border-light);
                padding: 0.5rem 0;
                overflow: visible;
                gap: 0.1rem;
            }
            .nav-main.open {
                display: flex;
            }
            .nav-main a {
                padding: 0.7rem 1rem;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .header-search {
                order: 2;
                min-width: 140px;
                max-width: 200px;
                margin-left: auto;
            }
            .hero-guide {
                min-height: 280px;
                padding: var(--space-md) var(--space-sm);
            }
            .hero-guide h1 {
                font-size: 1.8rem;
            }
            .hero-search-box {
                flex-direction: column;
                border-radius: var(--radius-md);
                background: transparent;
                box-shadow: none;
                gap: 0.6rem;
            }
            .hero-search-box input {
                border-radius: 30px;
                background: var(--bg-white);
                padding: 0.7rem 1.2rem;
            }
            .hero-search-box button {
                border-radius: 30px;
                width: 100%;
            }
            .grid-guide {
                grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
                gap: 1rem;
            }
            .grid-3 {
                grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            }
            .featured-list .featured-item {
                flex-direction: column;
            }
            .featured-list .featured-img {
                width: 100%;
                min-height: 140px;
                aspect-ratio: 16 / 8;
            }
            .rank-item .rank-score {
                font-size: 0.95rem;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                flex-wrap: nowrap;
                gap: 0.3rem;
            }
            .site-logo {
                font-size: 1.1rem;
                flex-shrink: 0;
            }
            .header-search {
                min-width: 36px;
                max-width: 36px;
                padding: 0.3rem;
                border-radius: 50%;
                justify-content: center;
                background: var(--bg-body);
                border: 1px solid var(--border-light);
            }
            .header-search input {
                display: none;
            }
            .header-search button {
                padding: 0.3rem 0.6rem;
                font-size: 0.75rem;
                border-radius: 50%;
                background: transparent;
                color: var(--text-mid);
            }
            .header-search button i {
                font-size: 1rem;
            }
            .hero-guide {
                min-height: 220px;
                padding: var(--space-md) var(--space-xs);
            }
            .hero-guide h1 {
                font-size: 1.5rem;
            }
            .hero-guide p {
                font-size: 0.9rem;
            }
            .section {
                padding: var(--space-md) 0;
            }
            .grid-guide {
                grid-template-columns: 1fr;
            }
            .grid-3 {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-sm);
            }
            .footer-bottom {
                flex-direction: column;
                gap: 0.3rem;
                text-align: center;
            }
            .tag-nav {
                gap: 0.4rem;
            }
            .tag-nav a {
                padding: 0.35rem 1rem;
                font-size: 0.82rem;
            }
            .faq-item {
                padding: 1rem 1.2rem;
            }
            .cta-block h3 {
                font-size: 1.2rem;
            }
            .btn {
                padding: 0.6rem 1.4rem;
                font-size: 0.85rem;
            }
            .featured-list .featured-img {
                min-height: 100px;
                aspect-ratio: 16 / 9;
            }
            .rank-item {
                flex-wrap: wrap;
                gap: 0.5rem;
            }
            .rank-item .rank-score {
                font-size: 0.85rem;
            }
        }
        @media (max-width: 380px) {
            .site-logo {
                font-size: 0.95rem;
            }
            .hero-guide h1 {
                font-size: 1.2rem;
            }
            .nav-main a {
                font-size: 0.85rem;
                padding: 0.5rem 0.7rem;
            }
        }

/* roulang page: category3 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #FF6B35;
            --primary-dark: #E55A2B;
            --primary-light: #FF8F66;
            --secondary: #1E3A5F;
            --secondary-light: #2C5282;
            --accent: #FFD700;
            --accent-dark: #E6C200;
            --bg-light: #F5F7FA;
            --bg-white: #FFFFFF;
            --card-bg: #FFFFFF;
            --text-dark: #1A1A2E;
            --text-muted: #6B7280;
            --text-light: #9CA3AF;
            --border: #E8ECF0;
            --border-light: #F0F2F5;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.07);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.12);
            --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.05);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-base: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --spacer-section: 5rem;
            --spacer-block: 2.5rem;
        }

        /* ===== 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-base);
            background: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.7;
            font-size: 1rem;
            padding-top: var(--header-height);
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            color: var(--text-dark);
        }

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

        /* ===== 板块间距 ===== */
        .section {
            padding: var(--spacer-section) 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--spacer-block);
        }
        .section-header h2 {
            font-size: 2.25rem;
            margin-bottom: 0.75rem;
            letter-spacing: -0.01em;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 1.125rem;
            max-width: 640px;
            margin: 0 auto;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .site-logo span {
            color: var(--primary);
        }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        .nav-main a {
            padding: 0.5rem 1.2rem;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            position: relative;
        }
        .nav-main a:hover {
            color: var(--primary);
            background: rgba(255, 107, 53, 0.08);
        }
        .nav-main a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
        }
        .nav-main a.active:hover {
            background: var(--primary-dark);
        }
        /* 搜索框 */
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border-radius: 50px;
            padding: 0 1rem 0 1.2rem;
            border: 1px solid var(--border);
            transition: var(--transition);
            margin-left: 1rem;
            min-width: 200px;
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
        }
        .nav-search input {
            border: none;
            background: transparent;
            padding: 0.55rem 0;
            font-size: 0.9rem;
            color: var(--text-dark);
            width: 100%;
        }
        .nav-search input::placeholder {
            color: var(--text-light);
        }
        .nav-search button {
            background: none;
            border: none;
            color: var(--text-muted);
            cursor: pointer;
            padding: 0.4rem 0 0.4rem 0.6rem;
            font-size: 1rem;
            transition: var(--transition);
        }
        .nav-search button:hover {
            color: var(--primary);
        }
        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-dark);
            cursor: pointer;
            padding: 0.25rem;
        }

        /* ===== Hero ===== */
        .hero-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(135deg, var(--secondary) 0%, #0F2B4A 100%);
            overflow: hidden;
            padding: 4rem 0;
        }
        .hero-banner .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            mix-blend-mode: overlay;
        }
        .hero-banner .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            padding: 0 1.5rem;
        }
        .hero-banner h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .hero-banner h1 span {
            color: var(--accent);
        }
        .hero-banner p {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 2rem;
            line-height: 1.6;
        }
        .hero-banner .hero-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
            padding: 1rem 2.5rem;
            border-radius: 50px;
            background: var(--primary);
            color: #fff;
            font-size: 1.1rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 8px 30px rgba(255, 107, 53, 0.4);
        }
        .hero-banner .hero-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(255, 107, 53, 0.5);
        }
        .hero-banner .hero-cta i {
            font-size: 1.2rem;
        }
        /* 徽章 */
        .hero-badge {
            display: inline-block;
            background: rgba(255, 215, 0, 0.2);
            color: var(--accent);
            padding: 0.35rem 1.2rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 1rem;
            border: 1px solid rgba(255, 215, 0, 0.3);
            backdrop-filter: blur(4px);
        }

        /* ===== 数据概览 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .stat-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 1.8rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .stat-card .stat-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 0.75rem;
        }
        .stat-card .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.1;
        }
        .stat-card .stat-number span {
            font-size: 1rem;
            font-weight: 400;
            color: var(--text-muted);
        }
        .stat-card .stat-label {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-top: 0.25rem;
        }

        /* ===== 热门活动卡片 ===== */
        .activity-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.8rem;
        }
        .activity-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .activity-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .activity-card .card-img {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .activity-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .activity-card:hover .card-img img {
            transform: scale(1.05);
        }
        .activity-card .card-img .card-tag {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background: var(--primary);
            color: #fff;
            padding: 0.25rem 1rem;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(255, 107, 53, 0.3);
        }
        .activity-card .card-img .card-tag.hot {
            background: #E53E3E;
        }
        .activity-card .card-img .card-tag.new {
            background: var(--accent);
            color: var(--text-dark);
        }
        .activity-card .card-img .card-countdown {
            position: absolute;
            bottom: 0.75rem;
            right: 0.75rem;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(4px);
            color: #fff;
            padding: 0.3rem 0.9rem;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .activity-card .card-img .card-countdown i {
            color: var(--accent);
        }
        .activity-card .card-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .activity-card .card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .activity-card .card-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 1rem;
            flex: 1;
        }
        .activity-card .card-body .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--text-muted);
            padding-top: 0.75rem;
            border-top: 1px solid var(--border-light);
        }
        .activity-card .card-body .card-meta i {
            margin-right: 0.3rem;
        }
        .activity-card .card-body .card-meta .btn-join {
            padding: 0.35rem 1.2rem;
            border-radius: 50px;
            background: var(--primary);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 500;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .activity-card .card-body .card-meta .btn-join:hover {
            background: var(--primary-dark);
            transform: scale(1.05);
        }
        .activity-card .card-body .card-meta .btn-join.outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }
        .activity-card .card-body .card-meta .btn-join.outline:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ===== 福利分类清单 ===== */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }
        .benefit-item {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .benefit-item:hover {
            transform: translateX(4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-light);
        }
        .benefit-item .benefit-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            flex-shrink: 0;
            color: #fff;
        }
        .benefit-item .benefit-icon.orange {
            background: var(--primary);
        }
        .benefit-item .benefit-icon.blue {
            background: var(--secondary);
        }
        .benefit-item .benefit-icon.gold {
            background: var(--accent);
            color: var(--text-dark);
        }
        .benefit-item .benefit-icon.green {
            background: #38A169;
        }
        .benefit-item .benefit-icon.purple {
            background: #805AD5;
        }
        .benefit-item .benefit-icon.red {
            background: #E53E3E;
        }
        .benefit-item .benefit-info {
            flex: 1;
        }
        .benefit-item .benefit-info h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 0.2rem;
        }
        .benefit-item .benefit-info p {
            color: var(--text-muted);
            font-size: 0.88rem;
        }
        .benefit-item .benefit-action {
            flex-shrink: 0;
        }
        .benefit-item .benefit-action .btn-get {
            padding: 0.5rem 1.4rem;
            border-radius: 50px;
            background: var(--secondary);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 500;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .benefit-item .benefit-action .btn-get:hover {
            background: var(--secondary-light);
            transform: scale(1.05);
        }
        .benefit-item .benefit-action .btn-get.outline {
            background: transparent;
            color: var(--secondary);
            border: 1.5px solid var(--secondary);
        }
        .benefit-item .benefit-action .btn-get.outline:hover {
            background: var(--secondary);
            color: #fff;
        }

        /* ===== 参与流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.8rem;
            counter-reset: step;
        }
        .step-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 2rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .step-card .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 700;
            margin: 0 auto 1rem;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.3);
        }
        .step-card .step-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 0.75rem;
        }
        .step-card h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.4rem;
        }
        .step-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .step-card::after {
            content: '';
            position: absolute;
            top: 3rem;
            right: -1.2rem;
            width: 1.5rem;
            height: 2px;
            background: var(--border);
        }
        .step-card:last-child::after {
            display: none;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius);
            margin-bottom: 1rem;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-item .faq-question {
            padding: 1.2rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
            user-select: none;
        }
        .faq-item .faq-question:hover {
            color: var(--primary);
        }
        .faq-item .faq-question i {
            color: var(--primary);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            padding: 0 1.5rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.2rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #0F2B4A 100%);
            border-radius: var(--radius-lg);
            padding: 4rem 3rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
            mix-blend-mode: overlay;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.1rem;
            margin-bottom: 2rem;
            max-width: 540px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
            padding: 1rem 2.8rem;
            border-radius: 50px;
            background: var(--primary);
            color: #fff;
            font-size: 1.15rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 8px 30px rgba(255, 107, 53, 0.4);
        }
        .cta-section .cta-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(255, 107, 53, 0.5);
        }
        .cta-section .cta-btn i {
            font-size: 1.2rem;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0F1A2E;
            color: rgba(255, 255, 255, 0.7);
            padding: 4rem 0 0;
            margin-top: var(--spacer-section);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .site-logo {
            color: #fff;
            font-size: 1.6rem;
            display: inline-block;
            margin-bottom: 1rem;
        }
        .footer-brand .site-logo span {
            color: var(--primary);
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 360px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1.2rem;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            padding: 0.35rem 0;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-col a i {
            margin-right: 0.5rem;
            width: 1.2rem;
            text-align: center;
            color: var(--primary-light);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 0;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .activity-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid .step-card::after {
                display: none;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            :root {
                --spacer-section: 3.5rem;
            }
            .hero-banner h1 {
                font-size: 2.4rem;
            }
        }
        @media (max-width: 768px) {
            .nav-main {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                flex-direction: column;
                padding: 1rem 1.5rem;
                box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
                border-bottom: 1px solid var(--border);
                gap: 0.25rem;
            }
            .nav-main.open {
                display: flex;
            }
            .nav-main a {
                width: 100%;
                padding: 0.8rem 1rem;
            }
            .nav-search {
                min-width: unset;
                width: 160px;
                margin-left: 0.5rem;
            }
            .menu-toggle {
                display: block;
            }
            .site-header .container {
                gap: 0.5rem;
            }
            .hero-banner {
                min-height: 320px;
                padding: 3rem 0;
            }
            .hero-banner h1 {
                font-size: 1.8rem;
            }
            .hero-banner p {
                font-size: 1rem;
            }
            .hero-banner .hero-cta {
                padding: 0.8rem 1.8rem;
                font-size: 1rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .stat-card {
                padding: 1.2rem 1rem;
            }
            .stat-card .stat-number {
                font-size: 1.6rem;
            }
            .activity-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .benefits-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .benefit-item {
                flex-wrap: wrap;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .cta-section {
                padding: 2.5rem 1.5rem;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 0.5rem;
                text-align: center;
            }
            :root {
                --spacer-section: 2.5rem;
                --spacer-block: 1.8rem;
            }
            .hero-banner .hero-content {
                padding: 0 1rem;
            }
            .activity-card .card-img {
                height: 160px;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.75rem;
            }
            .stat-card .stat-number {
                font-size: 1.3rem;
            }
            .stat-card .stat-icon {
                font-size: 1.6rem;
            }
            .nav-search {
                width: 120px;
            }
            .hero-banner h1 {
                font-size: 1.5rem;
            }
            .site-logo {
                font-size: 1.2rem;
            }
            .container {
                padding: 0 1rem;
            }
            .benefit-item {
                padding: 1rem;
            }
            .benefit-item .benefit-icon {
                width: 44px;
                height: 44px;
                font-size: 1.2rem;
            }
        }