/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #FF6B35;
            --primary-dark: #E55A2B;
            --primary-light: #FF8A5C;
            --secondary: #1A1A2E;
            --secondary-light: #16213E;
            --accent: #FFD700;
            --accent-dark: #E6C200;
            --bg-light: #F8F9FA;
            --bg-dark: #0F0F1A;
            --bg-card: #FFFFFF;
            --text-dark: #2D3436;
            --text-mid: #555B6E;
            --text-light: #8892A4;
            --text-white: #FFFFFF;
            --border: #E8E8E8;
            --border-light: #F0F0F0;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --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 12px 40px rgba(0,0,0,0.12);
            --shadow-hover: 0 16px 48px rgba(255,107,53,0.15);
            --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --container-w: 1200px;
            --nav-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            color: var(--text-dark);
            background: var(--bg-light);
            line-height: 1.6;
            font-size: 16px;
        }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        a:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 2px; }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--text-dark); }
        p { margin-bottom: 0; }

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

        /* ===== Typography ===== */
        .section-title { font-size: 2.2rem; text-align: center; margin-bottom: 12px; letter-spacing: -0.02em; }
        .section-sub { font-size: 1.1rem; color: var(--text-mid); text-align: center; max-width: 680px; margin: 0 auto 48px; line-height: 1.7; }

        /* ===== Buttons ===== */
        .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 36px; border-radius: 50px; font-weight: 600; font-size: 1rem; border: none; cursor: pointer; transition: var(--transition); letter-spacing: 0.01em; }
        .btn-primary { background: var(--primary); color: var(--text-white); box-shadow: 0 4px 16px rgba(255,107,53,0.35); }
        .btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(255,107,53,0.45); }
        .btn-primary:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(255,107,53,0.3); }
        .btn-secondary { background: transparent; color: var(--text-white); border: 2px solid rgba(255,255,255,0.4); }
        .btn-secondary:hover { border-color: var(--text-white); background: rgba(255,255,255,0.08); transform: translateY(-2px); }
        .btn-secondary:active { transform: translateY(0); }
        .btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
        .btn-outline:hover { background: var(--primary); color: var(--text-white); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,107,53,0.3); }
        .btn-outline:active { transform: translateY(0); }
        .btn-lg { padding: 18px 48px; font-size: 1.1rem; }
        .btn-sm { padding: 10px 24px; font-size: 0.9rem; }

        /* ===== Badge / Tag ===== */
        .badge { display: inline-block; padding: 4px 14px; border-radius: 50px; font-size: 0.8rem; font-weight: 600; background: rgba(255,107,53,0.12); color: var(--primary); letter-spacing: 0.02em; }
        .badge-accent { background: rgba(255,215,0,0.15); color: #B89400; }
        .badge-light { background: rgba(255,255,255,0.15); color: var(--text-white); }

        /* ===== Card ===== */
        .card { background: var(--bg-card); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); }
        .card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .card-img { width: 100%; height: 200px; object-fit: cover; }
        .card-body { padding: 24px; }
        .card-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
        .card-text { color: var(--text-mid); font-size: 0.95rem; line-height: 1.6; }
        .card-meta { display: flex; align-items: center; gap: 16px; margin-top: 16px; font-size: 0.85rem; color: var(--text-light); }

        /* ===== Section Spacing ===== */
        .section { padding: 80px 0; }
        .section-dark { background: var(--bg-dark); color: var(--text-white); }
        .section-dark .section-title { color: var(--text-white); }
        .section-dark .section-sub { color: rgba(255,255,255,0.7); }
        .section-accent { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: var(--text-white); }
        .section-accent .section-title { color: var(--text-white); }
        .section-accent .section-sub { color: rgba(255,255,255,0.85); }

        /* ===== Header / Nav ===== */
        .site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; height: var(--nav-height); background: rgba(15,15,26,0.92); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid rgba(255,255,255,0.06); 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-white); letter-spacing: -0.02em; display: flex; align-items: center; gap: 10px; }
        .site-logo i { color: var(--primary); font-size: 1.6rem; }
        .site-logo:hover { color: var(--primary); }
        .nav-list { display: flex; align-items: center; gap: 8px; }
        .nav-list a { display: flex; align-items: center; gap: 6px; padding: 10px 20px; border-radius: 50px; font-weight: 500; font-size: 0.95rem; color: rgba(255,255,255,0.75); transition: var(--transition); }
        .nav-list a:hover { color: var(--text-white); background: rgba(255,255,255,0.06); }
        .nav-list a.active { color: var(--text-white); background: var(--primary); box-shadow: 0 4px 14px rgba(255,107,53,0.3); }
        .nav-list a.active:hover { background: var(--primary-dark); }
        .nav-toggle { display: none; background: none; border: none; color: var(--text-white); font-size: 1.6rem; cursor: pointer; padding: 8px; border-radius: var(--radius-sm); }
        .nav-toggle:focus-visible { outline: 2px solid var(--primary); }

        /* ===== Hero ===== */
        .hero { position: relative; min-height: 100vh; display: flex; align-items: center; background: var(--bg-dark); overflow: hidden; padding-top: var(--nav-height); }
        .hero-bg { position: absolute; inset: 0; z-index: 0; }
        .hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.3; }
        .hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,15,26,0.92) 0%, rgba(22,33,62,0.7) 50%, rgba(15,15,26,0.9) 100%); z-index: 1; }
        .hero-content { position: relative; z-index: 2; text-align: center; max-width: 820px; margin: 0 auto; padding: 60px 24px; }
        .hero-badge { display: inline-block; padding: 6px 20px; border-radius: 50px; background: rgba(255,107,53,0.18); color: var(--primary-light); font-size: 0.9rem; font-weight: 600; letter-spacing: 0.04em; margin-bottom: 24px; border: 1px solid rgba(255,107,53,0.2); }
        .hero-title { font-size: 3.6rem; font-weight: 900; color: var(--text-white); line-height: 1.15; letter-spacing: -0.03em; margin-bottom: 20px; }
        .hero-title span { color: var(--primary); }
        .hero-sub { font-size: 1.2rem; color: rgba(255,255,255,0.7); line-height: 1.7; max-width: 640px; margin: 0 auto 36px; }
        .hero-actions { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }
        .hero-stats { display: flex; justify-content: center; gap: 40px; margin-top: 50px; flex-wrap: wrap; }
        .hero-stat-item { text-align: center; }
        .hero-stat-num { font-size: 2rem; font-weight: 800; color: var(--text-white); }
        .hero-stat-label { font-size: 0.9rem; color: rgba(255,255,255,0.55); margin-top: 4px; }

        /* ===== Features ===== */
        .features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .feature-card { background: var(--bg-card); border-radius: var(--radius-md); padding: 36px 28px; text-align: center; box-shadow: var(--shadow-sm); transition: var(--transition); border: 1px solid var(--border-light); }
        .feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--primary); }
        .feature-icon { width: 64px; height: 64px; border-radius: 16px; background: rgba(255,107,53,0.1); display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; font-size: 1.8rem; color: var(--primary); transition: var(--transition); }
        .feature-card:hover .feature-icon { background: var(--primary); color: var(--text-white); }
        .feature-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }
        .feature-desc { color: var(--text-mid); font-size: 0.95rem; line-height: 1.6; }

        /* ===== Events / Cards Grid ===== */
        .events-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .event-card { background: var(--bg-card); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); border: 1px solid var(--border-light); }
        .event-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(255,107,53,0.2); }
        .event-img-wrap { position: relative; height: 200px; overflow: hidden; }
        .event-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
        .event-card:hover .event-img-wrap img { transform: scale(1.05); }
        .event-badge { position: absolute; top: 16px; left: 16px; padding: 4px 14px; border-radius: 50px; background: var(--primary); color: var(--text-white); font-size: 0.8rem; font-weight: 600; }
        .event-info { padding: 24px; }
        .event-cat { font-size: 0.8rem; color: var(--primary); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 6px; }
        .event-name { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
        .event-meta { display: flex; align-items: center; gap: 16px; color: var(--text-light); font-size: 0.85rem; margin-top: 12px; }
        .event-meta i { margin-right: 4px; }

        /* ===== CMS List ===== */
        .cms-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
        .cms-item { display: flex; gap: 20px; background: var(--bg-card); border-radius: var(--radius-md); padding: 20px; box-shadow: var(--shadow-sm); transition: var(--transition); border: 1px solid var(--border-light); }
        .cms-item:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
        .cms-item .cms-thumb { width: 120px; height: 90px; border-radius: var(--radius-sm); object-fit: cover; flex-shrink: 0; }
        .cms-item .cms-body { flex: 1; min-width: 0; }
        .cms-item .cms-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .cms-item .cms-title a { color: var(--text-dark); }
        .cms-item .cms-title a:hover { color: var(--primary); }
        .cms-item .cms-excerpt { color: var(--text-mid); font-size: 0.9rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 8px; }
        .cms-item .cms-foot { display: flex; align-items: center; gap: 16px; font-size: 0.8rem; color: var(--text-light); }
        .cms-item .cms-foot .cms-cat { padding: 2px 10px; border-radius: 50px; background: rgba(255,107,53,0.1); color: var(--primary); font-weight: 600; }
        .cms-empty { grid-column: 1 / -1; text-align: center; padding: 40px; color: var(--text-light); font-size: 1rem; background: var(--bg-card); border-radius: var(--radius-md); }

        /* ===== Stats / Numbers ===== */
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
        .stat-item { padding: 36px 20px; background: rgba(255,255,255,0.06); border-radius: var(--radius-md); border: 1px solid rgba(255,255,255,0.08); transition: var(--transition); }
        .stat-item:hover { background: rgba(255,255,255,0.1); transform: translateY(-4px); }
        .stat-num { font-size: 2.8rem; font-weight: 900; color: var(--accent); line-height: 1.2; }
        .stat-label { font-size: 1rem; color: rgba(255,255,255,0.7); margin-top: 8px; }

        /* ===== Testimonials ===== */
        .testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .testimonial-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); }
        .testimonial-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
        .testimonial-stars { color: var(--accent); font-size: 1rem; margin-bottom: 16px; letter-spacing: 2px; }
        .testimonial-text { color: var(--text-mid); font-size: 0.95rem; line-height: 1.7; font-style: italic; margin-bottom: 20px; }
        .testimonial-author { display: flex; align-items: center; gap: 12px; }
        .testimonial-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--primary); display: flex; align-items: center; justify-content: center; color: var(--text-white); font-weight: 700; font-size: 1.1rem; }
        .testimonial-name { font-weight: 700; font-size: 0.95rem; }
        .testimonial-role { font-size: 0.8rem; color: var(--text-light); }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item { background: var(--bg-card); border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border-light); transition: var(--transition); }
        .faq-item:hover { border-color: rgba(255,107,53,0.2); }
        .faq-q { padding: 20px 28px; font-weight: 600; font-size: 1.05rem; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 16px; user-select: none; transition: var(--transition); }
        .faq-q:hover { color: var(--primary); }
        .faq-q i { font-size: 1.2rem; color: var(--primary); transition: var(--transition); flex-shrink: 0; }
        .faq-item.active .faq-q i { transform: rotate(180deg); }
        .faq-a { padding: 0 28px 20px; color: var(--text-mid); line-height: 1.7; font-size: 0.95rem; display: none; }
        .faq-item.active .faq-a { display: block; }

        /* ===== CTA ===== */
        .cta-wrap { text-align: center; padding: 60px 24px; background: rgba(255,255,255,0.06); border-radius: var(--radius-lg); border: 1px solid rgba(255,255,255,0.08); }
        .cta-title { font-size: 2.2rem; font-weight: 800; margin-bottom: 16px; }
        .cta-sub { font-size: 1.1rem; color: rgba(255,255,255,0.75); max-width: 560px; margin: 0 auto 32px; line-height: 1.7; }

        /* ===== Footer ===== */
        .site-footer { background: var(--bg-dark); color: rgba(255,255,255,0.7); padding: 60px 0 32px; border-top: 1px solid rgba(255,255,255,0.06); }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand .site-logo { margin-bottom: 16px; }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; max-width: 360px; }
        .footer-col h4 { color: var(--text-white); font-size: 1rem; font-weight: 700; margin-bottom: 16px; }
        .footer-col a { display: block; padding: 6px 0; font-size: 0.9rem; color: rgba(255,255,255,0.55); transition: var(--transition); }
        .footer-col a:hover { color: var(--primary); padding-left: 4px; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 24px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 0.85rem; color: rgba(255,255,255,0.4); }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--primary); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .events-grid { grid-template-columns: repeat(2, 1fr); }
            .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .hero-title { font-size: 2.8rem; }
        }

        @media (max-width: 768px) {
            .nav-list { display: none; position: absolute; top: var(--nav-height); left: 0; right: 0; background: rgba(15,15,26,0.98); flex-direction: column; padding: 20px 24px; gap: 6px; border-bottom: 1px solid rgba(255,255,255,0.06); backdrop-filter: blur(20px); }
            .nav-list.open { display: flex; }
            .nav-list a { width: 100%; justify-content: center; padding: 14px 20px; }
            .nav-toggle { display: block; }
            .hero-title { font-size: 2.2rem; }
            .hero-sub { font-size: 1rem; }
            .hero-stats { gap: 24px; }
            .hero-stat-num { font-size: 1.6rem; }
            .section { padding: 56px 0; }
            .section-title { font-size: 1.8rem; }
            .section-sub { font-size: 1rem; margin-bottom: 32px; }
            .features-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .events-grid { grid-template-columns: 1fr; gap: 20px; }
            .cms-list { grid-template-columns: 1fr; }
            .cms-item { flex-direction: column; }
            .cms-item .cms-thumb { width: 100%; height: 180px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .stat-num { font-size: 2rem; }
            .testimonials-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-title { font-size: 1.6rem; }
            .hero-actions .btn { width: 100%; max-width: 280px; }
        }

        @media (max-width: 520px) {
            .hero-title { font-size: 1.8rem; }
            .hero { min-height: 90vh; }
            .features-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr 1fr; }
            .feature-card { padding: 24px 20px; }
            .container { padding: 0 16px; }
            .section-title { font-size: 1.5rem; }
            .btn-lg { padding: 14px 32px; font-size: 1rem; }
            .event-img-wrap { height: 160px; }
            .hero-stats { gap: 16px; }
            .hero-stat-item { min-width: 80px; }
        }

        /* ===== Utility ===== */
        .text-center { text-align: center; }
        .mt-8 { margin-top: 8px; }
        .mt-16 { margin-top: 16px; }
        .mt-24 { margin-top: 24px; }
        .mt-32 { margin-top: 32px; }
        .mb-16 { margin-bottom: 16px; }
        .mb-24 { margin-bottom: 24px; }
        .mb-32 { margin-bottom: 32px; }
        .gap-8 { gap: 8px; }
        .gap-16 { gap: 16px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .flex-wrap { flex-wrap: wrap; }

        /* ===== Smooth reveal (optional) ===== */
        .reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
        .reveal.visible { opacity: 1; transform: translateY(0); }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a3a5c;
            --primary-dark: #0f2440;
            --primary-light: #2a5a8c;
            --accent: #e8942a;
            --accent-light: #f0b050;
            --accent-dark: #c47a1e;
            --bg-body: #f5f7fa;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-dark: #162a40;
            --text-primary: #1a1a2e;
            --text-secondary: #4a5568;
            --text-muted: #8a94a6;
            --text-white: #ffffff;
            --border-light: #e8ecf1;
            --border-card: #eef2f7;
            --shadow-sm: 0 2px 8px rgba(26, 58, 92, 0.06);
            --shadow-md: 0 6px 24px rgba(26, 58, 92, 0.10);
            --shadow-lg: 0 16px 48px rgba(26, 58, 92, 0.14);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --transition: all 0.30s cubic-bezier(0.22, 1, 0.36, 1);
            --max-width: 1200px;
        }

        /* ===== 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);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 1rem;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover, a:focus {
            color: var(--accent);
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        ul, ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        button, input, textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin: 0 0 0.5em 0;
        }
        p {
            margin: 0 0 1em 0;
            color: var(--text-secondary);
        }
        :focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Site Header / Navigation ===== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(12px);
            background: rgba(255,255,255,0.94);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            transition: var(--transition);
        }
        .site-logo i {
            color: var(--accent);
            font-size: 1.6rem;
        }
        .site-logo:hover {
            color: var(--accent);
            transform: scale(1.02);
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list a {
            padding: 8px 20px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list a i {
            font-size: 0.9rem;
            opacity: 0.7;
        }
        .nav-list a:hover {
            background: var(--bg-body);
            color: var(--primary);
        }
        .nav-list a.active {
            background: var(--primary);
            color: var(--text-white);
            box-shadow: 0 4px 14px rgba(26,58,92,0.25);
        }
        .nav-list a.active i {
            opacity: 1;
        }
        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--primary);
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--bg-body);
        }
        @media (max-width: 768px) {
            .nav-list {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: var(--bg-white);
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
                padding: 16px 20px;
                gap: 4px;
                border-radius: 0 0 var(--radius-md) var(--radius-md);
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list a {
                padding: 12px 18px;
                border-radius: var(--radius-sm);
                width: 100%;
            }
            .nav-toggle {
                display: block;
            }
        }

        /* ===== Article Banner ===== */
        .article-banner {
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,58,92,0.88) 0%, rgba(15,36,64,0.78) 100%);
            z-index: 1;
        }
        .article-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
            padding: 60px 24px;
        }
        .article-banner .banner-tag {
            display: inline-block;
            background: var(--accent);
            color: var(--text-white);
            font-size: 0.80rem;
            font-weight: 700;
            padding: 5px 18px;
            border-radius: 30px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 18px;
            box-shadow: 0 4px 16px rgba(232,148,42,0.35);
        }
        .article-banner h1 {
            font-size: 2.4rem;
            color: var(--text-white);
            margin-bottom: 14px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.25);
            font-weight: 800;
            letter-spacing: -0.3px;
        }
        .article-banner .banner-meta {
            font-size: 0.95rem;
            color: rgba(255,255,255,0.78);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
        }
        .article-banner .banner-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-banner .banner-meta i {
            color: var(--accent-light);
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .article-banner {
                min-height: 240px;
            }
            .article-banner h1 {
                font-size: 1.7rem;
            }
            .article-banner .banner-meta {
                font-size: 0.85rem;
                gap: 14px;
            }
        }
        @media (max-width: 520px) {
            .article-banner h1 {
                font-size: 1.4rem;
            }
            .article-banner .banner-content {
                padding: 40px 16px;
            }
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-area {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
        }
        .breadcrumb-area .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            color: var(--text-muted);
        }
        .breadcrumb-area .breadcrumb a {
            color: var(--text-muted);
            font-weight: 500;
        }
        .breadcrumb-area .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb-area .breadcrumb .sep {
            color: var(--border-light);
            font-weight: 300;
        }
        .breadcrumb-area .breadcrumb .current {
            color: var(--text-secondary);
            font-weight: 600;
        }

        /* ===== Article Main Content ===== */
        .article-main {
            padding: 48px 0 60px;
        }
        .article-content-wrap {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-card);
            padding: 48px 52px;
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-primary);
        }
        .article-content-wrap h2,
        .article-content-wrap h3,
        .article-content-wrap h4 {
            margin-top: 1.8em;
            margin-bottom: 0.6em;
            color: var(--primary);
        }
        .article-content-wrap p {
            margin-bottom: 1.2em;
            color: var(--text-secondary);
        }
        .article-content-wrap ul,
        .article-content-wrap ol {
            list-style: disc;
            padding-left: 1.6em;
            margin-bottom: 1.2em;
            color: var(--text-secondary);
        }
        .article-content-wrap ol {
            list-style: decimal;
        }
        .article-content-wrap li {
            margin-bottom: 0.4em;
        }
        .article-content-wrap a {
            color: var(--accent-dark);
            font-weight: 600;
            border-bottom: 1px solid transparent;
        }
        .article-content-wrap a:hover {
            border-bottom-color: var(--accent);
        }
        .article-content-wrap img {
            border-radius: var(--radius-md);
            margin: 28px auto;
            box-shadow: var(--shadow-md);
        }
        .article-content-wrap blockquote {
            border-left: 5px solid var(--accent);
            background: var(--bg-body);
            padding: 20px 28px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-content-wrap .post-meta-bottom {
            margin-top: 40px;
            padding-top: 28px;
            border-top: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.90rem;
            color: var(--text-muted);
        }
        .article-content-wrap .post-meta-bottom i {
            margin-right: 4px;
            color: var(--accent);
        }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 24px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-card);
        }
        .not-found-box i {
            font-size: 3.6rem;
            color: var(--border-light);
            margin-bottom: 18px;
        }
        .not-found-box h2 {
            font-size: 1.6rem;
            color: var(--text-secondary);
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .not-found-box .btn-home {
            display: inline-block;
            padding: 12px 36px;
            background: var(--primary);
            color: var(--text-white);
            border-radius: 40px;
            font-weight: 700;
            transition: var(--transition);
        }
        .not-found-box .btn-home:hover {
            background: var(--accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 60px 0 70px;
            background: var(--bg-body);
        }
        .related-section .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        .related-section .section-title h2 {
            font-size: 1.8rem;
            color: var(--primary);
            font-weight: 800;
        }
        .related-section .section-title p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 6px auto 0;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .related-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent-light);
        }
        .related-card .card-img {
            height: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .related-card .card-img .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: var(--text-white);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 20px;
        }
        .related-card .card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .related-card .card-body p {
            font-size: 0.92rem;
            color: var(--text-muted);
            flex: 1;
            margin-bottom: 16px;
        }
        .related-card .card-body .card-link {
            font-weight: 700;
            color: var(--primary-light);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.90rem;
            transition: var(--transition);
        }
        .related-card .card-body .card-link:hover {
            color: var(--accent);
            gap: 10px;
        }
        @media (max-width: 900px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
            .related-card .card-img {
                height: 180px;
            }
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 70px 0 80px;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,58,92,0.92) 0%, rgba(15,36,64,0.85) 100%);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2.0rem;
            color: var(--text-white);
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-section p {
            font-size: 1.10rem;
            color: rgba(255,255,255,0.78);
            max-width: 620px;
            margin: 0 auto 30px;
        }
        .cta-section .btn-cta {
            display: inline-block;
            padding: 16px 48px;
            background: var(--accent);
            color: var(--text-white);
            font-weight: 800;
            font-size: 1.05rem;
            border-radius: 50px;
            box-shadow: 0 8px 32px rgba(232,148,42,0.40);
            transition: var(--transition);
            border: 2px solid transparent;
        }
        .cta-section .btn-cta:hover {
            background: var(--accent-light);
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 12px 40px rgba(232,148,42,0.50);
            color: var(--text-white);
        }
        .cta-section .btn-cta:active {
            transform: translateY(0) scale(0.98);
        }
        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .cta-section .btn-cta {
                padding: 14px 36px;
                font-size: 0.95rem;
            }
        }

        /* ===== Site Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255,255,255,0.80);
            padding: 56px 0 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .site-footer .footer-brand .site-logo {
            color: var(--text-white);
            font-size: 1.3rem !important;
            margin-bottom: 12px;
        }
        .site-footer .footer-brand .site-logo i {
            color: var(--accent);
        }
        .site-footer .footer-brand p {
            font-size: 0.90rem;
            color: rgba(255,255,255,0.60);
            line-height: 1.7;
            max-width: 340px;
        }
        .site-footer .footer-col h4 {
            color: var(--text-white);
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-col a {
            display: block;
            color: rgba(255,255,255,0.60);
            font-size: 0.90rem;
            padding: 5px 0;
            transition: var(--transition);
        }
        .site-footer .footer-col a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 24px 0;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.45);
        }
        .site-footer .footer-bottom span:last-child {
            color: rgba(255,255,255,0.30);
            font-style: italic;
        }
        @media (max-width: 860px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .site-footer .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-20 { margin-top: 20px; }
        .mb-20 { margin-bottom: 20px; }
        .mb-40 { margin-bottom: 40px; }

        /* ===== Foundation Overrides ===== */
        .grid-container {
            max-width: var(--max-width);
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 768px) {
            .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        /* Force Foundation to not interfere with custom nav */
        .site-header .container,
        .site-footer .container {
            max-width: var(--max-width);
            margin: 0 auto;
        }

        /* ===== Responsive Fine-tune ===== */
        @media (max-width: 768px) {
            .article-content-wrap {
                padding: 28px 20px;
                border-radius: var(--radius-md);
            }
            .article-main {
                padding: 28px 0 40px;
            }
        }
        @media (max-width: 520px) {
            .article-content-wrap {
                padding: 20px 16px;
                font-size: 0.96rem;
            }
            .article-banner h1 {
                font-size: 1.3rem;
            }
            .related-section .section-title h2 {
                font-size: 1.4rem;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0a1628;
            --primary-light: #132240;
            --primary-dark: #060f1a;
            --accent: #d4a843;
            --accent-light: #e8c46a;
            --accent-dark: #b8922e;
            --bg-light: #f5f7fa;
            --bg-card: #ffffff;
            --bg-dark: #0d1b2a;
            --text-main: #1a1a2e;
            --text-light: #555568;
            --text-white: #f0f2f5;
            --text-muted: #8888a0;
            --border-light: #e6e8ed;
            --border-accent: rgba(212, 168, 67, 0.3);
            --shadow-sm: 0 2px 12px rgba(10, 22, 40, 0.06);
            --shadow-md: 0 8px 30px rgba(10, 22, 40, 0.10);
            --shadow-lg: 0 20px 50px rgba(10, 22, 40, 0.14);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-full: 50px;
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans SC', sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== 基础 Reset ===== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-main);
            color: var(--text-main);
            background: var(--bg-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--accent-dark);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover, a:focus {
            color: var(--accent);
            outline: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            transition: var(--transition);
        }
        button:focus-visible, input:focus-visible, textarea:focus-visible, a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        ul, ol {
            list-style: none;
        }
        h1, h2, h3, h4, h5, h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-main);
        }
        h1 { font-size: clamp(2.0rem, 5vw, 3.6rem); }
        h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); }
        h3 { font-size: clamp(1.2rem, 2.2vw, 1.6rem); }
        h4 { font-size: 1.15rem; }
        p { margin-bottom: 1rem; }
        ::selection {
            background: var(--accent);
            color: #fff;
        }

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

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 22, 40, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(212, 168, 67, 0.12);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: 0.5px;
            transition: var(--transition);
        }
        .site-logo i {
            font-size: 1.6rem;
            color: var(--accent-light);
        }
        .site-logo:hover {
            color: var(--accent-light);
            transform: scale(1.02);
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-white);
            transition: var(--transition);
            position: relative;
        }
        .nav-list a i {
            font-size: 1rem;
            opacity: 0.8;
        }
        .nav-list a:hover {
            background: rgba(212, 168, 67, 0.12);
            color: var(--accent-light);
        }
        .nav-list a.active {
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 600;
            box-shadow: 0 4px 20px rgba(212, 168, 67, 0.3);
        }
        .nav-list a.active i {
            opacity: 1;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(212, 168, 67, 0.25);
            color: var(--text-white);
            font-size: 1.4rem;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(212, 168, 67, 0.1);
            border-color: var(--accent);
        }

        /* ===== Hero 首屏 ===== */
        .hero-section {
            position: relative;
            min-height: 80vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 120px 0 80px;
            background: var(--primary-dark);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.35;
            transform: scale(1.05);
            transition: transform 6s ease;
        }
        .hero-section:hover .hero-bg {
            transform: scale(1.0);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10,22,40,0.88) 0%, rgba(10,22,40,0.60) 50%, rgba(10,22,40,0.85) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 820px;
            padding: 0 20px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(212, 168, 67, 0.18);
            border: 1px solid rgba(212, 168, 67, 0.25);
            padding: 8px 24px;
            border-radius: var(--radius-full);
            color: var(--accent-light);
            font-size: 0.9rem;
            font-weight: 500;
            margin-bottom: 28px;
            backdrop-filter: blur(4px);
        }
        .hero-badge i {
            font-size: 0.8rem;
        }
        .hero-content h1 {
            color: var(--text-white);
            margin-bottom: 20px;
            text-shadow: 0 4px 30px rgba(0,0,0,0.3);
        }
        .hero-content h1 span {
            color: var(--accent);
        }
        .hero-content .subtitle {
            font-size: clamp(1.05rem, 1.8vw, 1.3rem);
            color: rgba(240, 242, 245, 0.8);
            max-width: 680px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary-dark);
            box-shadow: 0 8px 30px rgba(212, 168, 67, 0.3);
        }
        .btn-primary:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(212, 168, 67, 0.4);
            color: var(--primary-dark);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 20px rgba(212, 168, 67, 0.3);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-white);
            border: 2px solid rgba(255,255,255,0.25);
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent-light);
            background: rgba(212, 168, 67, 0.08);
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
            margin-top: 60px;
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.08);
        }
        .hero-stat-item {
            text-align: center;
        }
        .hero-stat-item .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent);
            display: block;
        }
        .hero-stat-item .label {
            font-size: 0.9rem;
            color: rgba(240,242,245,0.6);
            margin-top: 4px;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 90px 0;
        }
        .section-alt {
            background: var(--bg-card);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-dark h2,
        .section-dark h3,
        .section-dark .section-subtitle {
            color: var(--text-white);
        }
        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 55px;
        }
        .section-header h2 {
            margin-bottom: 16px;
        }
        .section-header .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-light);
            line-height: 1.7;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(212, 168, 67, 0.1);
            color: var(--accent-dark);
            padding: 6px 18px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        /* ===== 赛事分类卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 28px;
        }
        .card-grid-3 {
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        }
        .sport-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 26px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            text-align: center;
        }
        .sport-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-accent);
        }
        .sport-card .icon-box {
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, rgba(212,168,67,0.12), rgba(212,168,67,0.04));
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.8rem;
            color: var(--accent-dark);
            transition: var(--transition);
        }
        .sport-card:hover .icon-box {
            background: linear-gradient(135deg, rgba(212,168,67,0.20), rgba(212,168,67,0.08));
            transform: scale(1.05);
        }
        .sport-card h3 {
            margin-bottom: 10px;
            font-size: 1.2rem;
        }
        .sport-card p {
            color: var(--text-light);
            font-size: 0.95rem;
            margin-bottom: 0;
        }
        .sport-card .badge {
            display: inline-block;
            background: rgba(212,168,67,0.10);
            color: var(--accent-dark);
            padding: 4px 14px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 600;
            margin-top: 14px;
        }

        /* ===== 热门赛事推荐 ===== */
        .feature-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;
        }
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-accent);
        }
        .feature-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
            transition: var(--transition);
        }
        .feature-card:hover .card-img {
            transform: scale(1.03);
        }
        .feature-card .card-body {
            padding: 22px 24px 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .feature-card .card-body h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
        }
        .feature-card .card-body p {
            color: var(--text-light);
            font-size: 0.92rem;
            margin-bottom: 14px;
            flex: 1;
        }
        .feature-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }
        .feature-card .card-meta i {
            margin-right: 4px;
        }
        .feature-card .card-tag {
            background: rgba(212,168,67,0.10);
            color: var(--accent-dark);
            padding: 2px 12px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 600;
        }

        /* ===== 数据与服务特色 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
        }
        .stat-block {
            text-align: center;
            padding: 30px 20px;
            background: rgba(255,255,255,0.04);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255,255,255,0.06);
            transition: var(--transition);
        }
        .stat-block:hover {
            background: rgba(255,255,255,0.07);
            border-color: rgba(212,168,67,0.15);
        }
        .stat-block .stat-icon {
            font-size: 2.2rem;
            color: var(--accent);
            margin-bottom: 14px;
        }
        .stat-block .stat-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--accent-light);
            display: block;
        }
        .stat-block .stat-label {
            font-size: 0.95rem;
            color: rgba(240,242,245,0.7);
            margin-top: 6px;
        }

        /* ===== 流程步骤 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 30px;
            counter-reset: step;
        }
        .step-item {
            text-align: center;
            padding: 30px 20px;
            position: relative;
        }
        .step-item .step-num {
            font-size: 3rem;
            font-weight: 800;
            color: rgba(212,168,67,0.15);
            display: block;
            margin-bottom: 10px;
            line-height: 1;
        }
        .step-item .step-icon {
            font-size: 2rem;
            color: var(--accent-dark);
            margin-bottom: 16px;
        }
        .step-item h4 {
            margin-bottom: 8px;
            font-size: 1.1rem;
        }
        .step-item p {
            color: var(--text-light);
            font-size: 0.92rem;
            margin-bottom: 0;
        }
        .step-connector {
            display: none;
        }

        /* ===== 适用场景 ===== */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 24px;
        }
        .scene-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 30px 26px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .scene-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-accent);
        }
        .scene-card .scene-icon {
            font-size: 2.2rem;
            color: var(--accent-dark);
            margin-bottom: 16px;
        }
        .scene-card h4 {
            margin-bottom: 8px;
        }
        .scene-card p {
            color: var(--text-light);
            font-size: 0.92rem;
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-accent);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 26px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.02rem;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            color: var(--text-main);
            transition: var(--transition);
            gap: 12px;
        }
        .faq-question:hover {
            color: var(--accent-dark);
        }
        .faq-question i {
            font-size: 1.1rem;
            color: var(--accent-dark);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 26px 20px;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.8;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }
        .faq-answer p {
            margin-bottom: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            opacity: 0.08;
        }
        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .cta-content h2 {
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .cta-content p {
            color: rgba(240,242,245,0.75);
            font-size: 1.1rem;
            margin-bottom: 32px;
        }
        .cta-content .btn {
            font-size: 1.05rem;
            padding: 16px 44px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(240,242,245,0.7);
            padding: 60px 0 30px;
            border-top: 1px solid rgba(212,168,67,0.08);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .site-logo {
            font-size: 1.3rem;
            margin-bottom: 14px;
            display: inline-flex;
        }
        .footer-brand p {
            font-size: 0.92rem;
            color: rgba(240,242,245,0.55);
            max-width: 340px;
            line-height: 1.8;
        }
        .footer-col h4 {
            color: var(--text-white);
            font-size: 1rem;
            margin-bottom: 18px;
            font-weight: 600;
        }
        .footer-col a {
            display: block;
            color: rgba(240,242,245,0.55);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: rgba(240,242,245,0.4);
        }
        .footer-bottom span {
            margin: 4px 0;
        }

        /* ===== 响应式断点 ===== */
        /* 平板 max-width: 1024px */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .hero-content h1 {
                font-size: clamp(2.0rem, 4vw, 3.0rem);
            }
        }

        /* 平板 max-width: 768px */
        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }
            .nav-list {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(10, 22, 40, 0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                border-bottom: 1px solid rgba(212,168,67,0.1);
                pointer-events: none;
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                box-shadow: var(--shadow-lg);
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .nav-list a {
                padding: 12px 20px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-toggle {
                display: block;
            }
            .hero-section {
                min-height: 70vh;
                padding: 100px 0 60px;
            }
            .hero-stats {
                gap: 24px;
                margin-top: 40px;
                padding-top: 28px;
            }
            .hero-stat-item .num {
                font-size: 1.8rem;
            }
            .section {
                padding: 60px 0;
            }
            .section-header {
                margin-bottom: 38px;
            }
            .card-grid, .card-grid-3 {
                grid-template-columns: 1fr 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }
            .scene-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .faq-question {
                padding: 16px 20px;
                font-size: 0.95rem;
            }
            .faq-answer {
                padding: 0 20px 16px;
            }
        }

        /* 手机 max-width: 520px */
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .site-logo {
                font-size: 1.15rem;
            }
            .site-logo i {
                font-size: 1.3rem;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-content .subtitle {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                justify-content: center;
                padding: 13px 28px;
            }
            .hero-stats {
                flex-direction: column;
                gap: 16px;
                margin-top: 30px;
                padding-top: 20px;
            }
            .card-grid, .card-grid-3 {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .sport-card {
                padding: 24px 18px;
            }
            .feature-card .card-img {
                height: 180px;
            }
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-col {
                text-align: center;
            }
            .footer-col a {
                text-align: center;
            }
            .footer-brand p {
                max-width: 100%;
                text-align: center;
            }
            .footer-brand .site-logo {
                justify-content: center;
                width: 100%;
            }
            .cta-content h2 {
                font-size: 1.5rem;
            }
            .cta-content p {
                font-size: 0.95rem;
            }
            .stat-block .stat-num {
                font-size: 1.8rem;
            }
            .hero-badge {
                font-size: 0.8rem;
                padding: 6px 16px;
            }
        }

        /* ===== 工具类 ===== */
        .text-center { text-align: center; }
        .mt-1 { margin-top: 20px; }
        .mt-2 { margin-top: 40px; }
        .mb-1 { margin-bottom: 20px; }
        .gap-sm { gap: 16px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }