/* roulang page: index */
:root {
            --primary: #e83e8c;
            --primary-dark: #c2185b;
            --accent: #6c5ce7;
            --accent-dark: #5e35b1;
            --bg-dark: #1a1a2e;
            --bg-darker: #0f0f1a;
            --bg-card: #16213e;
            --bg-surface: #1c1c3a;
            --text-main: #f1f3f4;
            --text-muted: #a0a4b8;
            --border-color: rgba(232, 62, 140, 0.15);
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow-card: 0 8px 32px rgba(0,0,0,0.3), 0 2px 8px rgba(232,62,140,0.08);
            --shadow-hover: 0 16px 48px rgba(0,0,0,0.4), 0 4px 16px rgba(232,62,140,0.15);
            --transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            background: var(--bg-darker);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button, input, textarea { font-family: inherit; outline: none; transition: var(--transition); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        @media (max-width: 768px) { .container { padding: 0 16px; } }

        /* scrollbar */
        ::-webkit-scrollbar { width: 8px; }
        ::-webkit-scrollbar-track { background: var(--bg-darker); }
        ::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 4px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--primary-dark); }

        /* header / nav */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            background: rgba(15, 15, 26, 0.92);
            backdrop-filter: blur(20px) saturate(180%);
            -webkit-backdrop-filter: blur(20px) saturate(180%);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .site-header.scrolled { background: rgba(15, 15, 26, 0.98); box-shadow: 0 4px 30px rgba(0,0,0,0.5); }
        .nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
        .nav-logo { display: flex; align-items: center; gap: 10px; font-size: 1.5rem; font-weight: 800; color: #fff; }
        .nav-logo .logo-icon { width: 38px; height: 38px; background: linear-gradient(135deg, var(--primary), var(--accent)); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; color: #fff; box-shadow: 0 4px 16px rgba(232,62,140,0.3); }
        .nav-logo span { background: linear-gradient(135deg, #fff 30%, var(--primary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .nav-links { display: flex; align-items: center; gap: 6px; }
        .nav-links a {
            padding: 8px 18px; border-radius: 50px; font-size: 0.95rem; font-weight: 500;
            color: var(--text-muted); transition: var(--transition); position: relative;
        }
        .nav-links a:hover { color: #fff; background: rgba(232,62,140,0.1); }
        .nav-links a.active { color: #fff; background: linear-gradient(135deg, rgba(232,62,140,0.2), rgba(108,92,231,0.2)); box-shadow: inset 0 1px 0 rgba(232,62,140,0.2); }
        .nav-links a.active::after { content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%); width: 20px; height: 3px; background: var(--primary); border-radius: 2px; }
        .nav-actions { display: flex; align-items: center; gap: 12px; }
        .nav-search { display: flex; align-items: center; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.08); border-radius: 50px; padding: 0 16px; height: 40px; transition: var(--transition); }
        .nav-search:focus-within { background: rgba(255,255,255,0.1); border-color: var(--primary); box-shadow: 0 0 0 3px rgba(232,62,140,0.15); }
        .nav-search input { background: none; border: none; color: #fff; font-size: 0.9rem; width: 140px; padding: 8px 0; }
        .nav-search input::placeholder { color: var(--text-muted); }
        .nav-search i { color: var(--text-muted); font-size: 0.9rem; cursor: pointer; }
        .nav-search i:hover { color: var(--primary); }
        .btn-login { padding: 8px 20px; border-radius: 50px; font-size: 0.9rem; font-weight: 600; color: #fff; background: transparent; border: 1.5px solid rgba(255,255,255,0.15); cursor: pointer; transition: var(--transition); }
        .btn-login:hover { border-color: var(--primary); background: rgba(232,62,140,0.08); }
        .btn-cta { padding: 8px 24px; border-radius: 50px; font-size: 0.9rem; font-weight: 700; color: #fff; background: linear-gradient(135deg, var(--primary), var(--accent)); border: none; cursor: pointer; transition: var(--transition); box-shadow: 0 4px 20px rgba(232,62,140,0.25); }
        .btn-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(232,62,140,0.35); }
        .nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; padding: 4px; }

        @media (max-width: 1024px) {
            .nav-search input { width: 100px; }
            .nav-links a { padding: 6px 14px; font-size: 0.85rem; }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; position: absolute; top: 72px; left: 0; right: 0; background: rgba(15,15,26,0.98); backdrop-filter: blur(20px); flex-direction: column; padding: 16px 24px; border-bottom: 1px solid var(--border-color); gap: 4px; }
            .nav-links.open { display: flex; }
            .nav-links a { width: 100%; padding: 12px 16px; border-radius: 10px; }
            .nav-links a.active::after { display: none; }
            .nav-links a.active { background: linear-gradient(135deg, rgba(232,62,140,0.15), rgba(108,92,231,0.15)); }
            .nav-actions .btn-login, .nav-actions .btn-cta { display: none; }
            .nav-toggle { display: block; }
            .nav-search { flex: 1; max-width: 200px; }
            .nav-search input { width: 100%; }
        }
        @media (max-width: 520px) {
            .nav-wrap { height: 64px; }
            .nav-logo { font-size: 1.2rem; }
            .nav-logo .logo-icon { width: 32px; height: 32px; font-size: 1rem; }
            .nav-search { padding: 0 12px; height: 36px; }
            .nav-search input { font-size: 0.8rem; }
        }

        /* hero */
        .hero {
            min-height: 100vh;
            display: flex; align-items: center; justify-content: center;
            background: linear-gradient(135deg, rgba(15,15,26,0.85), rgba(22,33,62,0.75)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 120px 24px 80px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
            background: radial-gradient(circle at 30% 40%, rgba(232,62,140,0.08) 0%, transparent 60%),
                        radial-gradient(circle at 70% 60%, rgba(108,92,231,0.06) 0%, transparent 50%);
            animation: heroGlow 12s ease-in-out infinite alternate;
        }
        @keyframes heroGlow { 0% { transform: translate(0,0) scale(1); } 100% { transform: translate(-5%,-5%) scale(1.05); } }
        .hero-content { position: relative; z-index: 2; max-width: 800px; }
        .hero-badge {
            display: inline-flex; align-items: center; gap: 8px;
            background: rgba(232,62,140,0.12); border: 1px solid rgba(232,62,140,0.2);
            padding: 6px 20px; border-radius: 50px; font-size: 0.85rem; color: var(--primary);
            margin-bottom: 24px; backdrop-filter: blur(4px);
        }
        .hero-badge i { font-size: 0.75rem; }
        .hero h1 { font-size: 3.8rem; font-weight: 900; line-height: 1.15; margin-bottom: 24px; }
        .hero h1 span { background: linear-gradient(135deg, #fff 20%, var(--primary) 50%, var(--accent) 80%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .hero p { font-size: 1.2rem; color: var(--text-muted); max-width: 600px; margin: 0 auto 36px; line-height: 1.8; }
        .hero-actions { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }
        .hero-actions .btn-primary {
            padding: 14px 40px; border-radius: 50px; font-size: 1.05rem; font-weight: 700;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff; border: none; cursor: pointer; transition: var(--transition);
            box-shadow: 0 8px 32px rgba(232,62,140,0.3);
        }
        .hero-actions .btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 48px rgba(232,62,140,0.45); }
        .hero-actions .btn-secondary {
            padding: 14px 36px; border-radius: 50px; font-size: 1.05rem; font-weight: 600;
            background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.2); cursor: pointer; transition: var(--transition);
        }
        .hero-actions .btn-secondary:hover { border-color: var(--primary); background: rgba(232,62,140,0.06); }
        .hero-stats { display: flex; justify-content: center; gap: 48px; margin-top: 56px; flex-wrap: wrap; }
        .hero-stat { text-align: center; }
        .hero-stat .num { font-size: 2.4rem; font-weight: 900; background: linear-gradient(135deg, #fff, var(--primary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .hero-stat .label { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }

        @media (max-width: 768px) {
            .hero h1 { font-size: 2.4rem; }
            .hero p { font-size: 1rem; }
            .hero-stats { gap: 28px; }
            .hero-stat .num { font-size: 1.8rem; }
        }
        @media (max-width: 520px) {
            .hero h1 { font-size: 1.8rem; }
            .hero-actions .btn-primary, .hero-actions .btn-secondary { width: 100%; text-align: center; }
        }

        /* sections */
        .section { padding: 80px 0; }
        .section-title { text-align: center; margin-bottom: 48px; }
        .section-title h2 { font-size: 2.4rem; font-weight: 800; margin-bottom: 12px; }
        .section-title h2 span { background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .section-title p { color: var(--text-muted); font-size: 1.05rem; max-width: 520px; margin: 0 auto; }
        @media (max-width: 768px) { .section-title h2 { font-size: 1.8rem; } .section { padding: 56px 0; } }
        @media (max-width: 520px) { .section-title h2 { font-size: 1.5rem; } .section { padding: 40px 0; } }

        /* features */
        .features-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
        .feature-card {
            background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius);
            padding: 36px 28px; transition: var(--transition); text-align: center;
        }
        .feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(232,62,140,0.25); }
        .feature-card .icon { width: 64px; height: 64px; margin: 0 auto 20px; background: linear-gradient(135deg, rgba(232,62,140,0.12), rgba(108,92,231,0.12)); border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; color: var(--primary); transition: var(--transition); }
        .feature-card:hover .icon { background: linear-gradient(135deg, rgba(232,62,140,0.2), rgba(108,92,231,0.2)); transform: scale(1.05); }
        .feature-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }
        .feature-card p { font-size: 0.92rem; color: var(--text-muted); line-height: 1.7; }
        @media (max-width: 1024px) { .features-grid { grid-template-columns: repeat(2,1fr); } }
        @media (max-width: 640px) { .features-grid { grid-template-columns: 1fr; } }

        /* games / categories */
        .games-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
        .game-card {
            background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius);
            overflow: hidden; transition: var(--transition); cursor: pointer;
        }
        .game-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(232,62,140,0.2); }
        .game-card .thumb { height: 180px; background: var(--bg-surface); position: relative; overflow: hidden; }
        .game-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
        .game-card:hover .thumb img { transform: scale(1.05); }
        .game-card .thumb .tag { position: absolute; top: 12px; left: 12px; background: rgba(232,62,140,0.85); padding: 4px 14px; border-radius: 50px; font-size: 0.75rem; font-weight: 600; color: #fff; backdrop-filter: blur(4px); }
        .game-card .info { padding: 18px 20px 22px; }
        .game-card .info h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
        .game-card .info p { font-size: 0.85rem; color: var(--text-muted); }
        .game-card .info .meta { display: flex; align-items: center; justify-content: space-between; margin-top: 12px; font-size: 0.8rem; color: var(--text-muted); }
        .game-card .info .meta .rating { color: #fbbf24; }
        @media (max-width: 1024px) { .games-grid { grid-template-columns: repeat(3,1fr); } }
        @media (max-width: 768px) { .games-grid { grid-template-columns: repeat(2,1fr); } }
        @media (max-width: 520px) { .games-grid { grid-template-columns: 1fr; } }

        /* news / cms list */
        .news-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
        .news-card {
            background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius);
            overflow: hidden; transition: var(--transition);
        }
        .news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(232,62,140,0.2); }
        .news-card .thumb { height: 180px; background: var(--bg-surface); overflow: hidden; }
        .news-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
        .news-card:hover .thumb img { transform: scale(1.05); }
        .news-card .body { padding: 20px 22px 24px; }
        .news-card .body .cat { display: inline-block; padding: 2px 12px; border-radius: 50px; font-size: 0.75rem; font-weight: 600; background: rgba(232,62,140,0.1); color: var(--primary); margin-bottom: 10px; }
        .news-card .body h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .news-card .body p { font-size: 0.88rem; color: var(--text-muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 12px; }
        .news-card .body .foot { display: flex; align-items: center; justify-content: space-between; font-size: 0.8rem; color: var(--text-muted); border-top: 1px solid rgba(255,255,255,0.04); padding-top: 12px; }
        .news-empty { grid-column: 1 / -1; text-align: center; padding: 40px 20px; color: var(--text-muted); background: var(--bg-card); border-radius: var(--radius); border: 1px dashed var(--border-color); }
        .news-empty i { font-size: 2rem; margin-bottom: 12px; color: var(--primary); opacity: 0.5; }
        @media (max-width: 1024px) { .news-grid { grid-template-columns: repeat(2,1fr); } }
        @media (max-width: 640px) { .news-grid { grid-template-columns: 1fr; } }

        /* stats counter */
        .stats-section {
            background: linear-gradient(135deg, rgba(232,62,140,0.04), rgba(108,92,231,0.04)), url('/assets/images/backpic/back-2.png') center center / cover fixed;
            border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color);
        }
        .stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; text-align: center; }
        .stat-item { padding: 32px 16px; background: rgba(22,33,62,0.6); backdrop-filter: blur(8px); border-radius: var(--radius); border: 1px solid var(--border-color); transition: var(--transition); }
        .stat-item:hover { border-color: rgba(232,62,140,0.2); transform: translateY(-4px); }
        .stat-item .num { font-size: 2.8rem; font-weight: 900; background: linear-gradient(135deg, #fff, var(--primary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .stat-item .label { font-size: 0.9rem; color: var(--text-muted); margin-top: 4px; }
        .stat-item .sub { font-size: 0.78rem; color: rgba(160,164,184,0.6); margin-top: 2px; }
        @media (max-width: 768px) { .stats-grid { grid-template-columns: repeat(2,1fr); } .stat-item .num { font-size: 2rem; } }
        @media (max-width: 520px) { .stats-grid { grid-template-columns: 1fr 1fr; } }

        /* process / steps */
        .steps-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; position: relative; }
        .steps-grid::before { content: ''; position: absolute; top: 40px; left: 12%; right: 12%; height: 2px; background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary)); opacity: 0.2; }
        .step-card { text-align: center; position: relative; z-index: 2; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius); padding: 32px 20px; transition: var(--transition); }
        .step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
        .step-card .step-num { width: 48px; height: 48px; margin: 0 auto 18px; background: linear-gradient(135deg, var(--primary), var(--accent)); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; font-weight: 800; color: #fff; box-shadow: 0 4px 20px rgba(232,62,140,0.25); }
        .step-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
        .step-card p { font-size: 0.88rem; color: var(--text-muted); }
        @media (max-width: 1024px) { .steps-grid { grid-template-columns: repeat(2,1fr); } .steps-grid::before { display: none; } }
        @media (max-width: 520px) { .steps-grid { grid-template-columns: 1fr; } }

        /* faq */
        .faq-grid { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-sm); overflow: hidden; transition: var(--transition); }
        .faq-item:hover { border-color: rgba(232,62,140,0.15); }
        .faq-item summary { padding: 18px 24px; cursor: pointer; font-weight: 600; font-size: 1rem; display: flex; align-items: center; justify-content: space-between; list-style: none; transition: var(--transition); }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary::after { content: '\f107'; font-family: 'Font Awesome 6 Free'; font-weight: 900; transition: var(--transition); color: var(--primary); font-size: 1.1rem; }
        .faq-item[open] summary::after { transform: rotate(180deg); }
        .faq-item[open] summary { background: rgba(232,62,140,0.04); }
        .faq-item .answer { padding: 0 24px 20px; font-size: 0.92rem; color: var(--text-muted); line-height: 1.8; }

        /* cta */
        .cta-section {
            background: linear-gradient(135deg, rgba(232,62,140,0.06), rgba(108,92,231,0.06)), url('/assets/images/backpic/back-3.png') center center / cover;
            border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color);
        }
        .cta-box { text-align: center; padding: 64px 24px; background: rgba(22,33,62,0.5); backdrop-filter: blur(12px); border-radius: var(--radius-lg); border: 1px solid var(--border-color); }
        .cta-box h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 12px; }
        .cta-box h2 span { background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .cta-box p { color: var(--text-muted); font-size: 1.05rem; max-width: 500px; margin: 0 auto 28px; }
        .cta-box .btn-big { padding: 16px 48px; border-radius: 50px; font-size: 1.1rem; font-weight: 700; background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; border: none; cursor: pointer; transition: var(--transition); box-shadow: 0 8px 32px rgba(232,62,140,0.3); }
        .cta-box .btn-big:hover { transform: translateY(-3px); box-shadow: 0 16px 48px rgba(232,62,140,0.45); }
        @media (max-width: 768px) { .cta-box h2 { font-size: 1.6rem; } .cta-box { padding: 40px 20px; } }

        /* footer */
        .site-footer { background: var(--bg-darker); border-top: 1px solid var(--border-color); padding: 56px 0 32px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand .logo { font-size: 1.4rem; font-weight: 800; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
        .footer-brand .logo i { color: var(--primary); }
        .footer-brand p { font-size: 0.88rem; color: var(--text-muted); max-width: 320px; line-height: 1.8; }
        .footer-col h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 16px; color: #fff; }
        .footer-col a { display: block; font-size: 0.88rem; color: var(--text-muted); padding: 4px 0; transition: var(--transition); }
        .footer-col a:hover { color: var(--primary); padding-left: 6px; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.04); padding-top: 24px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 0.82rem; color: var(--text-muted); }
        .footer-bottom a { color: var(--text-muted); }
        .footer-bottom a:hover { color: var(--primary); }
        @media (max-width: 1024px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
        @media (max-width: 640px) { .footer-grid { grid-template-columns: 1fr; gap: 24px; } .footer-bottom { flex-direction: column; text-align: center; } }

        /* back to top */
        .back-top { position: fixed; bottom: 32px; right: 32px; width: 48px; height: 48px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; border: none; cursor: pointer; font-size: 1.2rem; box-shadow: 0 4px 20px rgba(232,62,140,0.3); transition: var(--transition); opacity: 0; visibility: hidden; z-index: 999; }
        .back-top.visible { opacity: 1; visibility: visible; }
        .back-top:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(232,62,140,0.4); }
        @media (max-width: 520px) { .back-top { width: 40px; height: 40px; font-size: 1rem; bottom: 20px; right: 20px; } }

        /* utility */
        .text-gradient { background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .glass { background: rgba(22,33,62,0.6); backdrop-filter: blur(8px); border: 1px solid var(--border-color); }
        .rounded-card { border-radius: var(--radius); }
        .shadow-card { box-shadow: var(--shadow-card); }

/* roulang page: article */
:root {
            --primary: #4f46e5;
            --primary-light: #818cf8;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --bg-body: #f8fafc;
            --bg-card: #ffffff;
            --text-main: #0f172a;
            --text-soft: #475569;
            --text-muted: #94a3b8;
            --border-light: #e2e8f0;
            --radius: 0.75rem;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 40px rgba(79, 70, 229, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Inter', 'Noto Sans SC', system-ui, sans-serif;
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .site-header {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.7);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.06);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 1.5rem;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
        }
        .nav-logo span:last-child {
            background: linear-gradient(135deg, var(--primary), #7c3aed);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        .nav-links a {
            padding: 0.5rem 1.1rem;
            border-radius: 8px;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--text-soft);
            transition: var(--transition);
            position: relative;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: rgba(79, 70, 229, 0.06);
        }
        .nav-links a.active {
            color: var(--primary);
            background: rgba(79, 70, 229, 0.1);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }
        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }
        .nav-search input {
            width: 180px;
            padding: 0.45rem 1rem 0.45rem 2.4rem;
            border: 1px solid var(--border-light);
            border-radius: 999px;
            font-size: 0.85rem;
            background: #f1f5f9;
            transition: var(--transition);
            outline: none;
        }
        .nav-search input:focus {
            border-color: var(--primary-light);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
            width: 220px;
        }
        .nav-search i {
            position: absolute;
            left: 0.85rem;
            color: var(--text-muted);
            font-size: 0.85rem;
            pointer-events: none;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--border-light);
            padding: 0.45rem 1.2rem;
            border-radius: 8px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-soft);
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }
        .btn-login:hover {
            border-color: var(--primary-light);
            color: var(--primary);
            background: rgba(79, 70, 229, 0.04);
        }
        .btn-cta {
            background: linear-gradient(135deg, var(--primary), #7c3aed);
            color: #fff;
            border: none;
            padding: 0.5rem 1.5rem;
            border-radius: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
        }
        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(79, 70, 229, 0.35);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--text-main);
            cursor: pointer;
            padding: 0.25rem;
        }
        @media (max-width: 1024px) {
            .nav-search input {
                width: 140px;
            }
            .nav-search input:focus {
                width: 160px;
            }
            .nav-links a {
                padding: 0.45rem 0.8rem;
                font-size: 0.85rem;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 1rem;
                border-bottom: 1px solid var(--border-light);
                box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
                gap: 0.15rem;
                z-index: 99;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 0.75rem 1rem;
                width: 100%;
                border-radius: 8px;
            }
            .nav-search input {
                width: 120px;
            }
            .nav-search input:focus {
                width: 140px;
            }
            .btn-login span,
            .btn-cta {
                display: none;
            }
            .btn-login {
                padding: 0.45rem 0.7rem;
            }
            .nav-toggle {
                display: block;
            }
            .nav-actions .btn-cta {
                display: none;
            }
            .nav-actions .btn-login {
                display: flex;
            }
        }
        @media (max-width: 520px) {
            .nav-wrap {
                height: 60px;
                gap: 0.75rem;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .nav-search input {
                width: 90px;
                padding: 0.35rem 0.8rem 0.35rem 2rem;
                font-size: 0.8rem;
            }
            .nav-search input:focus {
                width: 110px;
            }
            .nav-search i {
                left: 0.6rem;
                font-size: 0.75rem;
            }
            .btn-login {
                padding: 0.35rem 0.6rem;
                font-size: 0.8rem;
            }
            .btn-login i {
                font-size: 0.9rem;
            }
        }
        .article-hero {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 60%, #312e81 100%);
            position: relative;
            padding: 3rem 0 2.5rem;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
        }
        .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: #1e293b;
        }
        .article-body h2,
        .article-body h3 {
            margin-top: 2rem;
            margin-bottom: 0.75rem;
            font-weight: 700;
            color: #0f172a;
        }
        .article-body h2 {
            font-size: 1.5rem;
            border-bottom: 2px solid #e2e8f0;
            padding-bottom: 0.5rem;
        }
        .article-body h3 {
            font-size: 1.2rem;
        }
        .article-body p {
            margin-bottom: 1.25rem;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 1.25rem;
            padding-left: 1.5rem;
        }
        .article-body li {
            margin-bottom: 0.35rem;
        }
        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body a:hover {
            color: #7c3aed;
        }
        .article-body blockquote {
            border-left: 4px solid var(--primary-light);
            background: #f1f5f9;
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 0.5rem 0.5rem 0;
            color: #334155;
        }
        .article-body img {
            border-radius: 0.75rem;
            margin: 1.5rem auto;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .article-body code {
            background: #f1f5f9;
            padding: 0.15rem 0.5rem;
            border-radius: 4px;
            font-size: 0.9em;
            color: #7c3aed;
        }
        .article-body pre {
            background: #0f172a;
            color: #e2e8f0;
            padding: 1.25rem;
            border-radius: 0.75rem;
            overflow-x: auto;
            margin: 1.5rem 0;
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .tag-badge {
            display: inline-block;
            padding: 0.25rem 0.9rem;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 500;
            background: rgba(79, 70, 229, 0.08);
            color: var(--primary);
            transition: var(--transition);
        }
        .tag-badge:hover {
            background: var(--primary);
            color: #fff;
        }
        .card-related {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            border: 1px solid rgba(226, 232, 240, 0.5);
        }
        .card-related:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .card-related img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: var(--transition);
        }
        .card-related:hover img {
            transform: scale(1.03);
        }
        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 1.25rem 0;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            font-weight: 600;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #0f172a;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            transition: var(--transition);
            color: var(--text-muted);
        }
        .faq-question.open i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--text-soft);
            padding-top: 0;
        }
        .faq-answer.open {
            max-height: 300px;
            padding-top: 0.75rem;
        }
        .cta-section {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #312e81 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.1;
            mix-blend-mode: overlay;
        }
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 3rem 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-brand .logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }
        .footer-brand .logo i {
            color: var(--primary-light);
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #94a3b8;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }
        .footer-col a {
            display: block;
            color: #94a3b8;
            font-size: 0.9rem;
            padding: 0.3rem 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(226, 232, 240, 0.1);
            padding: 1.5rem 0;
            margin-top: 2.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.75rem;
            font-size: 0.85rem;
            color: #64748b;
        }
        .footer-bottom a {
            color: #94a3b8;
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.85rem;
            color: #94a3b8;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: #94a3b8;
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary-light);
        }
        .breadcrumb span {
            color: #cbd5e1;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
            font-size: 0.9rem;
            color: #94a3b8;
        }
        .article-meta i {
            margin-right: 0.3rem;
        }
        .not-found-box {
            text-align: center;
            padding: 4rem 2rem;
        }
        .not-found-box i {
            font-size: 3.5rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
        }
        @media (max-width: 640px) {
            .article-hero {
                padding: 2rem 0 1.5rem;
            }
            .article-body {
                font-size: 0.95rem;
            }
            .article-body h2 {
                font-size: 1.25rem;
            }
            .article-body h3 {
                font-size: 1.05rem;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a1a2e;
            --primary-light: #16213e;
            --primary-dark: #0f0f1a;
            --accent: #e94560;
            --accent-light: #ff6b81;
            --accent-dark: #c2304a;
            --gold: #f5a623;
            --gold-light: #ffc44d;
            --gold-dark: #d4891a;
            --surface: #f8f9fa;
            --surface-dark: #1e1e2f;
            --text: #1a1a2e;
            --text-light: #6b7280;
            --text-white: #ffffff;
            --border: #e5e7eb;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --radius: 1rem;
            --radius-lg: 1.5rem;
            --radius-sm: 0.5rem;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== 基础 Reset ===== */
        *,
        *::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: 'Inter', 'Noto Sans SC', system-ui, sans-serif;
            line-height: 1.6;
            color: var(--text);
            background: var(--surface);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

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

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

        button {
            cursor: pointer;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
            width: 100%;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(26, 26, 46, 0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
            height: 68px;
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 1rem;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 800;
            font-size: 1.3rem;
            color: #fff;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent), var(--gold));
            border-radius: 10px;
            font-size: 1.1rem;
            color: #fff;
            box-shadow: 0 4px 12px rgba(233, 69, 96, 0.4);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex: 1;
            justify-content: center;
        }

        .nav-links a {
            padding: 0.5rem 1.1rem;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-links a.active {
            color: #fff;
            background: rgba(233, 69, 96, 0.2);
        }

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 24px;
            padding: 0.35rem 1rem;
            gap: 0.5rem;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
            width: 180px;
        }

        .nav-search:focus-within {
            background: rgba(255, 255, 255, 0.16);
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.15);
        }

        .nav-search input {
            background: transparent;
            border: none;
            color: #fff;
            width: 100%;
            font-size: 0.85rem;
            padding: 0.2rem 0;
        }

        .nav-search input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .nav-search i {
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.9rem;
        }

        .btn-login {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            background: transparent;
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
            font-size: 0.9rem;
            padding: 0.5rem 1rem;
            border-radius: 24px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: var(--transition);
        }

        .btn-login:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.3);
        }

        .btn-cta {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0.55rem 1.4rem;
            border-radius: 24px;
            box-shadow: 0 4px 16px rgba(233, 69, 96, 0.35);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(233, 69, 96, 0.45);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            color: #fff;
            font-size: 1.4rem;
            padding: 0.3rem 0.5rem;
            border-radius: var(--radius-sm);
        }

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

        /* ===== 按钮通用 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 0.75rem 2rem;
            border-radius: 30px;
            box-shadow: 0 4px 16px rgba(233, 69, 96, 0.3);
            transition: var(--transition);
            border: none;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(233, 69, 96, 0.45);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-primary:focus-visible {
            outline: 3px solid var(--accent-light);
            outline-offset: 3px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 0.7rem 1.8rem;
            border-radius: 30px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            transition: var(--transition);
        }

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }

        .btn-outline:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.5);
            outline-offset: 3px;
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
            color: #1a1a2e;
            font-weight: 700;
            font-size: 1rem;
            padding: 0.75rem 2rem;
            border-radius: 30px;
            box-shadow: 0 4px 16px rgba(245, 166, 35, 0.35);
            transition: var(--transition);
        }

        .btn-gold:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(245, 166, 35, 0.5);
            color: #1a1a2e;
        }

        /* ===== Hero ===== */
        .hero-category {
            padding: 140px 0 80px;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-light), var(--primary));
            position: relative;
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }

        .hero-category::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(233, 69, 96, 0.15) 0%, transparent 70%),
                radial-gradient(ellipse at 70% 50%, rgba(245, 166, 35, 0.1) 0%, transparent 60%);
            z-index: 1;
        }

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

        .hero-category h1 {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 900;
            color: #fff;
            line-height: 1.15;
            margin-bottom: 1rem;
        }

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

        .hero-category p {
            font-size: clamp(1rem, 2vw, 1.2rem);
            color: rgba(255, 255, 255, 0.75);
            max-width: 620px;
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin-bottom: 1.5rem;
        }

        .hero-tags span {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 0.3rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 4.5rem 0;
        }

        .section-dark {
            background: var(--primary);
            color: #fff;
        }

        .section-glow {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
            color: #fff;
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            text-align: center;
            margin-bottom: 0.75rem;
            color: var(--text);
        }

        .section-dark .section-title,
        .section-glow .section-title {
            color: #fff;
        }

        .section-sub {
            text-align: center;
            color: var(--text-light);
            max-width: 640px;
            margin: 0 auto 3rem;
            font-size: 1.05rem;
            line-height: 1.7;
        }

        .section-dark .section-sub,
        .section-glow .section-sub {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ===== 游戏卡片 ===== */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 1.5rem;
        }

        .game-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
        }

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

        .game-card .card-img {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--primary-light);
        }

        .game-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .game-card .card-img .badge {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: var(--accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            box-shadow: 0 2px 8px rgba(233, 69, 96, 0.3);
        }

        .game-card .card-img .rating {
            position: absolute;
            top: 0.75rem;
            right: 0.75rem;
            background: rgba(0, 0, 0, 0.65);
            backdrop-filter: blur(4px);
            color: var(--gold);
            font-size: 0.85rem;
            font-weight: 700;
            padding: 0.2rem 0.7rem;
            border-radius: 20px;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        .game-card .card-body {
            padding: 1.25rem 1.25rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .game-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
            color: var(--text);
        }

        .game-card .card-body .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            margin-bottom: 0.7rem;
        }

        .game-card .card-body .tags span {
            background: var(--surface);
            color: var(--text-light);
            font-size: 0.75rem;
            padding: 0.15rem 0.7rem;
            border-radius: 12px;
            font-weight: 500;
        }

        .game-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
        }

        .game-card .card-body .btn-sm {
            align-self: flex-start;
            margin-top: 1rem;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.85rem;
            padding: 0.45rem 1.2rem;
            border-radius: 20px;
            transition: var(--transition);
        }

        .game-card .card-body .btn-sm:hover {
            background: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(233, 69, 96, 0.3);
        }

        /* ===== 分类标签 ===== */
        .filter-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            justify-content: center;
            margin-bottom: 2.5rem;
        }

        .filter-tabs button {
            background: #fff;
            border: 1px solid var(--border);
            color: var(--text-light);
            font-weight: 500;
            font-size: 0.9rem;
            padding: 0.5rem 1.3rem;
            border-radius: 24px;
            transition: var(--transition);
        }

        .filter-tabs button:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .filter-tabs button.active {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            box-shadow: 0 4px 12px rgba(233, 69, 96, 0.3);
        }

        .filter-tabs button:focus-visible {
            outline: 3px solid var(--accent-light);
            outline-offset: 2px;
        }

        /* ===== 特色图标块 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 2rem;
        }

        .feature-item {
            text-align: center;
            padding: 2rem 1.5rem;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }

        .feature-item:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-4px);
        }

        .feature-item .icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 1.2rem;
            background: linear-gradient(135deg, var(--accent), var(--gold));
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #fff;
            box-shadow: 0 8px 24px rgba(233, 69, 96, 0.25);
        }

        .feature-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
        }

        .feature-item p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 1.5rem;
            text-align: center;
        }

        .stat-item {
            padding: 1.5rem 1rem;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .stat-item .num {
            font-size: 2.5rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--gold-light), var(--gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        .stat-item .label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.65);
            font-weight: 500;
            margin-top: 0.3rem;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

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

        .faq-item:hover {
            border-color: rgba(233, 69, 96, 0.2);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.1rem 1.5rem;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            cursor: pointer;
            background: transparent;
            width: 100%;
            text-align: left;
            border: none;
            gap: 1rem;
        }

        .faq-question i {
            color: var(--accent);
            font-size: 1.1rem;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-question.open i {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 1.5rem 1.1rem;
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
            display: none;
        }

        .faq-answer.open {
            display: block;
        }

        .section-dark .faq-item {
            background: rgba(255, 255, 255, 0.04);
            border-color: rgba(255, 255, 255, 0.08);
        }

        .section-dark .faq-question {
            color: #fff;
        }

        .section-dark .faq-answer {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ===== CTA 区块 ===== */
        .cta-block {
            padding: 4rem 2rem;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            border-radius: var(--radius-lg);
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }

        .cta-block .container {
            position: relative;
            z-index: 1;
        }

        .cta-block h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 0.75rem;
        }

        .cta-block p {
            font-size: 1.05rem;
            opacity: 0.85;
            max-width: 560px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }

        .cta-block .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            background: #fff;
            color: var(--accent-dark);
            font-weight: 700;
            font-size: 1.1rem;
            padding: 0.9rem 2.8rem;
            border-radius: 40px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
            transition: var(--transition);
        }

        .cta-block .btn-cta-large:hover {
            transform: translateY(-4px) scale(1.02);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 3.5rem 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-brand .logo {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }

        .footer-brand .logo i {
            color: var(--accent);
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 360px;
        }

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

        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            padding: 0.3rem 0;
            transition: var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 0;
            gap: 1rem;
            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(--accent-light);
        }

        .footer-bottom .links {
            display: flex;
            gap: 1.5rem;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .nav-search {
                width: 140px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: rgba(26, 26, 46, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 1rem 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                padding: 0.8rem 1.5rem;
                width: 100%;
                text-align: center;
                font-size: 1.05rem;
            }

            .nav-links a.active::after {
                bottom: 4px;
            }

            .nav-toggle {
                display: block;
            }

            .nav-search {
                width: 120px;
            }

            .btn-cta {
                padding: 0.5rem 1rem;
                font-size: 0.8rem;
            }

            .btn-login span {
                display: none;
            }

            .hero-category {
                padding: 120px 0 60px;
                min-height: auto;
            }

            .hero-category h1 {
                font-size: 1.8rem;
            }

            .section {
                padding: 3rem 0;
            }

            .game-grid {
                grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
                gap: 1rem;
            }

            .features-grid {
                grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
                gap: 1rem;
            }

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

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

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

            .cta-block {
                padding: 3rem 1.5rem;
            }

            .filter-tabs {
                gap: 0.4rem;
            }

            .filter-tabs button {
                font-size: 0.8rem;
                padding: 0.4rem 1rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 1rem;
            }

            .nav-logo {
                font-size: 1.1rem;
            }

            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }

            .nav-search {
                width: 90px;
                padding: 0.25rem 0.7rem;
            }

            .nav-search input {
                font-size: 0.75rem;
            }

            .btn-login {
                padding: 0.4rem 0.7rem;
                font-size: 0.8rem;
            }

            .btn-cta {
                padding: 0.4rem 0.8rem;
                font-size: 0.75rem;
            }

            .hero-category h1 {
                font-size: 1.5rem;
            }

            .hero-category p {
                font-size: 0.95rem;
            }

            .hero-tags span {
                font-size: 0.75rem;
                padding: 0.2rem 0.7rem;
            }

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

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

            .stat-item .num {
                font-size: 2rem;
            }

            .section-title {
                font-size: 1.3rem;
            }

            .section-sub {
                font-size: 0.9rem;
                margin-bottom: 2rem;
            }

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

            .faq-answer {
                padding: 0 1.2rem 0.9rem;
                font-size: 0.85rem;
            }

            .cta-block h2 {
                font-size: 1.4rem;
            }

            .cta-block .btn-cta-large {
                font-size: 0.95rem;
                padding: 0.7rem 1.8rem;
            }
        }

        /* ===== 滚动条美化 ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }

        ::-webkit-scrollbar-track {
            background: var(--primary-dark);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--accent);
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--accent-light);
        }

        /* ===== 选中文本 ===== */
        ::selection {
            background: var(--accent);
            color: #fff;
        }

        /* ===== 动画 ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade {
            animation: fadeInUp 0.6s ease 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: category2 */
:root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-light: #60a5fa;
            --accent: #d946ef;
            --bg: #f8fafc;
            --bg-alt: #f1f5f9;
            --text: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --radius: 0.75rem;
            --radius-lg: 1rem;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            transition: var(--transition);
        }
        input {
            font-family: inherit;
            outline: none;
            border: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 12px;
            }
        }

        /* ===== Header & Nav ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 72px;
            display: flex;
            align-items: center;
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }
        .nav-links a {
            padding: 8px 20px;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: rgba(37, 99, 235, 0.06);
        }
        .nav-links a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }
        .nav-search input {
            width: 180px;
            padding: 8px 16px 8px 40px;
            border-radius: 999px;
            background: var(--surface-alt);
            border: 1px solid transparent;
            font-size: 0.9rem;
            color: var(--text);
            transition: var(--transition);
        }
        .nav-search input:focus {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
            width: 220px;
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }
        .nav-search i {
            position: absolute;
            left: 14px;
            color: var(--text-muted);
            font-size: 0.9rem;
            pointer-events: none;
        }
        .btn-login {
            padding: 8px 20px;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary);
            background: rgba(37, 99, 235, 0.08);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(37, 99, 235, 0.16);
            transform: translateY(-1px);
        }
        .btn-cta {
            padding: 8px 24px;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-cta:hover {
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 8px 28px rgba(37, 99, 235, 0.4);
        }
        .nav-toggle {
            display: none;
            font-size: 1.4rem;
            color: var(--text);
            padding: 8px;
            border-radius: 8px;
            background: var(--surface-alt);
        }
        .nav-toggle:hover {
            background: var(--border);
        }

        /* ===== Mobile Nav ===== */
        @media (max-width: 1024px) {
            .nav-search input {
                width: 140px;
            }
            .nav-search input:focus {
                width: 160px;
            }
            .nav-links a {
                padding: 6px 14px;
                font-size: 0.85rem;
            }
        }
        @media (max-width: 768px) {
            .site-header {
                height: 64px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 20px;
                gap: 6px;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
                border-bottom: 1px solid var(--border);
                z-index: 99;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: 12px;
            }
            .nav-links a.active {
                background: var(--primary);
                color: #fff;
            }
            .nav-toggle {
                display: block;
            }
            .nav-search input {
                width: 120px;
            }
            .nav-search input:focus {
                width: 140px;
            }
            .btn-login span,
            .btn-cta {
                display: none;
            }
            .btn-login {
                padding: 8px 12px;
                font-size: 1.1rem;
            }
            .nav-logo {
                font-size: 1.25rem;
            }
            .nav-logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .nav-search input {
                width: 100px;
            }
            .nav-search input:focus {
                width: 120px;
            }
            .nav-actions {
                gap: 8px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 60px 0 0;
        }
        .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);
        }
        .footer-brand .logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand .logo i {
            color: var(--primary-light);
        }
        .footer-brand p {
            font-size: 0.95rem;
            line-height: 1.7;
            color: #94a3b8;
            max-width: 400px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            color: #94a3b8;
            font-size: 0.92rem;
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0 32px;
            font-size: 0.85rem;
            color: #64748b;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom a {
            color: #94a3b8;
            margin: 0 8px;
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer {
                padding: 40px 0 0;
            }
        }

        /* ===== Page Specific ===== */
        .page-hero {
            background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 50%, #2563eb 100%);
            padding: 80px 0 64px;
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .page-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -1px;
        }
        .page-hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            line-height: 1.7;
        }
        .page-hero .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 20px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        @media (max-width: 768px) {
            .page-hero {
                padding: 56px 0 40px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero p {
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .page-hero p {
                font-size: 0.92rem;
            }
        }

        /* ===== Section Spacing ===== */
        .section-padding {
            padding: 72px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 48px 0;
            }
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.5px;
            margin-bottom: 8px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ===== Cards ===== */
        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 28px 24px;
            transition: var(--transition);
            border: 1px solid rgba(0, 0, 0, 0.04);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .card-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #fff;
            margin-bottom: 16px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        }
        .card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .card .badge {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(37, 99, 235, 0.1);
            color: var(--primary);
            margin-top: 12px;
        }

        /* ===== Steps ===== */
        .step-card {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(0, 0, 0, 0.04);
            transition: var(--transition);
        }
        .step-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .step-num {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 800;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
        }
        .step-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }
        .step-content p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        @media (max-width: 520px) {
            .step-card {
                flex-direction: column;
                padding: 20px;
            }
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 20px 24px;
            border: 1px solid rgba(0, 0, 0, 0.04);
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-hover);
        }
        .faq-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-item h4 i {
            color: var(--primary);
            font-size: 1rem;
        }
        .faq-item p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            padding-left: 26px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 50%, #2563eb 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-3.png') center/cover no-repeat;
            opacity: 0.1;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .cta-btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-btn-primary {
            padding: 14px 36px;
            border-radius: 999px;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            background: #fff;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-btn-primary:hover {
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.2);
        }
        .cta-btn-outline {
            padding: 14px 36px;
            border-radius: 999px;
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
            background: transparent;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-3px);
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-section h2 {
                font-size: 1.7rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .cta-btn-primary,
            .cta-btn-outline {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
        }

        /* ===== Content List ===== */
        .content-list-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            background: #fff;
            border-radius: var(--radius);
            padding: 20px 24px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(0, 0, 0, 0.04);
            transition: var(--transition);
        }
        .content-list-item:hover {
            transform: translateX(4px);
            box-shadow: var(--shadow-hover);
        }
        .content-list-item .thumb {
            flex-shrink: 0;
            width: 120px;
            height: 80px;
            border-radius: 10px;
            overflow: hidden;
            background: var(--surface-alt);
        }
        .content-list-item .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .content-list-item .info h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }
        .content-list-item .info p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .content-list-item .info .meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 6px;
            display: flex;
            gap: 16px;
        }
        @media (max-width: 520px) {
            .content-list-item {
                flex-direction: column;
                padding: 16px;
            }
            .content-list-item .thumb {
                width: 100%;
                height: 160px;
            }
        }

        /* ===== Tags ===== */
        .tag {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(37, 99, 235, 0.08);
            color: var(--primary);
            transition: var(--transition);
            cursor: default;
        }
        .tag:hover {
            background: rgba(37, 99, 235, 0.16);
        }
        .tag-sm {
            padding: 2px 12px;
            font-size: 0.7rem;
        }

        /* ===== Utility ===== */
        .text-gradient {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .bg-surface-alt {
            background: var(--surface-alt);
        }
        .gap-grid {
            gap: 24px;
        }
        @media (max-width: 520px) {
            .gap-grid {
                gap: 16px;
            }
        }

        /* ===== Alert / Notice ===== */
        .notice-bar {
            background: rgba(37, 99, 235, 0.06);
            border-left: 4px solid var(--primary);
            padding: 16px 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            font-size: 0.92rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .notice-bar i {
            color: var(--primary);
            font-size: 1.2rem;
        }

        /* ===== Platform Icons ===== */
        .platform-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #fff;
            background: var(--surface-alt);
            flex-shrink: 0;
        }
        .platform-icon.wechat {
            background: #07c160;
        }
        .platform-icon.qq {
            background: #12b7f5;
        }
        .platform-icon.apple {
            background: #000;
        }
        .platform-icon.google {
            background: #4285f4;
        }
        .platform-icon.email {
            background: var(--primary);
        }
        .platform-icon.phone {
            background: #f59e0b;
        }