/* roulang page: index */
:root {
            --bg-base: #0A0E0C;
            --bg-panel: #10161C;
            --bg-panel-2: #0D1318;
            --border-color: #26313A;
            --primary: #A3E635;
            --primary-dim: #84cc16;
            --secondary: #F43F5E;
            --accent: #FFB800;
            --purple: #8B5CF6;
            --text-main: #F2F5F3;
            --text-muted: #9AA7A0;
            --text-dim: #6E7B74;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 20px rgba(163, 230, 53, 0.15);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Source Han Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', 'Menlo', 'Consolas', monospace;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            background-color: var(--bg-base);
            color: var(--text-main);
            font-family: var(--font-sans);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img { max-width: 100%; display: block; }
        a { color: inherit; text-decoration: none; transition: color 0.25s ease, opacity 0.25s ease; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }
        button { cursor: pointer; }
        :focus { outline: none; }
        :focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 4px; }
        ::selection { background: rgba(163, 230, 53, 0.25); color: #F2F5F3; }
        ::-webkit-scrollbar { width: 8px; height: 8px; }
        ::-webkit-scrollbar-track { background: var(--bg-base); }
        ::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 4px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--primary-dim); }

        .container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
        @media (max-width: 640px) { .container { padding: 0 16px; } }

        /* Header / Nav */
        .promo-bar { background: #0D1216; border-bottom: 1px solid var(--border-color); padding: 8px 0; position: relative; z-index: 50; }
        .promo-bar-inner { display: flex; align-items: center; justify-content: center; gap: 12px; font-size: 0.82rem; color: var(--text-muted); text-align: center; }
        .promo-tag { background: var(--secondary); color: #fff; font-size: 0.68rem; font-weight: 700; padding: 2px 8px; border-radius: 3px; letter-spacing: 0.03em; }
        .promo-highlight { color: var(--primary); font-weight: 600; }
        .main-nav { background: rgba(10, 14, 12, 0.92); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 60; }
        .nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 16px; }
        .logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.5rem; letter-spacing: -0.02em; color: var(--primary); white-space: nowrap; }
        .logo-icon { width: 36px; height: 36px; background: var(--primary); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-weight: 900; font-size: 0.9rem; color: #0A0E0C; flex-shrink: 0; }
        .nav-links { display: flex; align-items: center; gap: 4px; }
        .nav-link { padding: 8px 14px; border-radius: 6px; font-size: 0.9rem; font-weight: 500; color: var(--text-muted); transition: all 0.2s ease; white-space: nowrap; }
        .nav-link:hover { color: var(--primary); background: rgba(163, 230, 53, 0.06); }
        .nav-link.active { color: var(--primary); }
        .nav-link.active::after { content: ''; display: block; width: 20px; height: 2px; background: var(--primary); margin: 2px auto 0; border-radius: 1px; }
        .nav-right { display: flex; align-items: center; gap: 10px; }
        .nav-icon-btn { width: 40px; height: 40px; border-radius: 8px; background: var(--bg-panel); border: 1px solid var(--border-color); display: flex; align-items: center; justify-content: center; color: var(--text-muted); transition: all 0.2s ease; }
        .nav-icon-btn:hover { border-color: var(--primary); color: var(--primary); }
        .nav-cta { background: var(--primary); color: #0A0E0C; font-weight: 700; padding: 10px 20px; border-radius: 8px; font-size: 0.88rem; transition: all 0.25s ease; white-space: nowrap; }
        .nav-cta:hover { background: #B8F04E; transform: translateY(-1px); box-shadow: 0 6px 18px rgba(163, 230, 53, 0.3); }
        .mobile-toggle { display: none; background: var(--bg-panel); border: 1px solid var(--border-color); color: var(--text-main); width: 44px; height: 44px; border-radius: 8px; font-size: 1.2rem; align-items: center; justify-content: center; }
        .drawer { display: none; position: fixed; top: 0; right: 0; bottom: 0; width: 320px; max-width: 85vw; background: var(--bg-panel); border-left: 1px solid var(--border-color); z-index: 80; padding: 24px 20px; flex-direction: column; gap: 12px; overflow-y: auto; }
        .drawer.open { display: flex; }
        .drawer-close { position: absolute; top: 16px; right: 16px; background: var(--bg-base); border: 1px solid var(--border-color); width: 40px; height: 40px; border-radius: 8px; color: var(--text-main); display: flex; align-items: center; justify-content: center; }
        .drawer-links { display: flex; flex-direction: column; gap: 8px; margin-top: 56px; }
        .drawer-link { padding: 12px 16px; border-radius: 8px; font-weight: 500; color: var(--text-muted); border: 1px solid transparent; }
        .drawer-link:hover, .drawer-link.active { border-color: var(--border-color); color: var(--primary); background: rgba(163, 230, 53, 0.05); }
        .drawer-overlay { display: none; position: fixed; inset: 0; background: rgba(0, 0, 0, 0.6); z-index: 70; }
        .drawer-overlay.open { display: block; }

        @media (max-width: 1023px) {
            .nav-links { display: none; }
            .mobile-toggle { display: flex; }
            .nav-right .nav-icon-btn:first-child { display: none; }
        }
        @media (max-width: 640px) {
            .nav-inner { height: 60px; }
            .logo { font-size: 1.25rem; }
            .logo-icon { width: 32px; height: 32px; font-size: 0.8rem; }
            .nav-cta { padding: 8px 16px; font-size: 0.8rem; }
            .promo-bar-inner { font-size: 0.72rem; }
        }

        /* Hero */
        .hero { position: relative; min-height: 88vh; display: flex; align-items: center; background: #0A0E0C; overflow: hidden; padding: 80px 0 60px; }
        .hero-bg-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.35; z-index: 1; }
        .hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(10, 14, 12, 0.88) 0%, rgba(10, 14, 12, 0.55) 55%, rgba(10, 14, 12, 0.85) 100%); z-index: 2; }
        .hero-scanline { position: absolute; inset: 0; background: repeating-linear-gradient(0deg, transparent, transparent 3px, rgba(163, 230, 53, 0.02) 3px, rgba(163, 230, 53, 0.02) 4px); z-index: 3; pointer-events: none; }
        .hero-inner { position: relative; z-index: 5; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
        .hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(163, 230, 53, 0.1); border: 1px solid rgba(163, 230, 53, 0.3); padding: 6px 14px; border-radius: 6px; font-size: 0.78rem; font-weight: 600; color: var(--primary); letter-spacing: 0.02em; margin-bottom: 20px; }
        .hero-badge-dot { width: 8px; height: 8px; background: var(--primary); border-radius: 50%; animation: pulse-dot 1.6s ease-in-out infinite; }
        @keyframes pulse-dot { 0%, 100% { box-shadow: 0 0 0 0 rgba(163, 230, 53, 0.5); } 50% { box-shadow: 0 0 0 6px rgba(163, 230, 53, 0); } }
        .hero h1 { font-size: 3rem; font-weight: 900; line-height: 1.2; letter-spacing: -0.02em; margin-bottom: 20px; }
        .hero h1 .hero-keyword { color: var(--primary); }
        .hero-desc { font-size: 1.08rem; color: var(--text-muted); line-height: 1.9; margin-bottom: 32px; max-width: 520px; }
        .hero-cta-group { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 24px; }
        .hero-btn-primary { background: var(--primary); color: #0A0E0C; font-weight: 700; padding: 14px 28px; border-radius: 10px; font-size: 0.95rem; transition: all 0.25s ease; border: none; }
        .hero-btn-primary:hover { background: #B8F04E; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(163, 230, 53, 0.35); }
        .hero-btn-secondary { background: transparent; border: 1px solid var(--border-color); color: var(--text-main); padding: 14px 28px; border-radius: 10px; font-weight: 600; font-size: 0.95rem; transition: all 0.25s ease; }
        .hero-btn-secondary:hover { border-color: var(--primary); color: var(--primary); }
        .hero-stats { display: flex; gap: 28px; flex-wrap: wrap; }
        .hero-stat { text-align: left; }
        .hero-stat-value { font-family: var(--font-mono); font-size: 1.6rem; font-weight: 700; color: var(--primary); }
        .hero-stat-label { font-size: 0.78rem; color: var(--text-dim); margin-top: 2px; }
        .hero-visual { position: relative; z-index: 5; display: flex; flex-direction: column; gap: 16px; }
        .hero-panel { background: var(--bg-panel); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 20px; box-shadow: var(--shadow-card); }
        .hero-panel-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
        .hero-panel-title { font-size: 0.82rem; font-weight: 600; color: var(--text-muted); }
        .hero-panel-status { font-size: 0.72rem; color: var(--primary); font-weight: 600; }
        .hero-panel-row { display: flex; align-items: center; justify-content: space-between; padding: 10px 0; border-top: 1px solid #1A232B; }
        .hero-panel-row span { font-size: 0.85rem; color: var(--text-muted); }
        .hero-panel-row strong { font-family: var(--font-mono); font-size: 0.9rem; color: var(--text-main); }
        .hero-panel-row .trend-up { color: var(--primary); font-size: 0.78rem; font-weight: 600; }
        .hero-panel-row .trend-down { color: var(--secondary); font-size: 0.78rem; font-weight: 600; }
        .hero-mini-card { display: flex; align-items: center; gap: 12px; background: var(--bg-panel); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 14px 16px; }
        .hero-mini-card img { width: 48px; height: 48px; border-radius: 8px; object-fit: cover; flex-shrink: 0; }
        .hero-mini-info h4 { font-size: 0.88rem; font-weight: 600; color: var(--text-main); }
        .hero-mini-info p { font-size: 0.75rem; color: var(--text-dim); }

        @media (max-width: 1024px) {
            .hero-inner { grid-template-columns: 1fr; gap: 32px; }
            .hero h1 { font-size: 2.4rem; }
            .hero { min-height: auto; padding: 60px 0; }
            .hero-visual { max-width: 600px; }
        }
        @media (max-width: 640px) {
            .hero h1 { font-size: 1.9rem; }
            .hero-desc { font-size: 0.95rem; }
            .hero-btn-primary, .hero-btn-secondary { padding: 12px 20px; font-size: 0.85rem; }
            .hero-stats { gap: 16px; }
            .hero-stat-value { font-size: 1.3rem; }
        }

        /* Sections */
        section { padding: 72px 0; }
        @media (max-width: 640px) { section { padding: 48px 0; } }
        .section-label { display: inline-block; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.06em; color: var(--primary); text-transform: uppercase; margin-bottom: 12px; }
        .section-title { font-size: 2rem; font-weight: 800; letter-spacing: -0.01em; line-height: 1.3; margin-bottom: 16px; }
        .section-desc { font-size: 1rem; color: var(--text-muted); line-height: 1.85; max-width: 680px; margin-bottom: 40px; }
        .section-divider { border: none; border-top: 1px solid var(--border-color); margin: 0; }
        .bg-alt { background: #0D1216; }

        /* Cards */
        .card { background: var(--bg-panel); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 24px; transition: all 0.3s ease; }
        .card:hover { border-color: rgba(163, 230, 53, 0.4); box-shadow: var(--shadow-glow); transform: translateY(-2px); }
        .card-cover { width: 100%; height: 180px; object-fit: cover; border-radius: 8px; margin-bottom: 16px; }
        .card-tag { display: inline-block; font-size: 0.72rem; font-weight: 600; padding: 3px 10px; border-radius: 4px; background: rgba(163, 230, 53, 0.1); color: var(--primary); margin-bottom: 12px; }
        .card-tag.hot { background: rgba(244, 63, 94, 0.1); color: var(--secondary); }
        .card-tag.info { background: rgba(139, 92, 246, 0.1); color: var(--purple); }
        .card-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
        .card-desc { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 12px; }
        .card-meta { display: flex; align-items: center; gap: 12px; font-size: 0.75rem; color: var(--text-dim); }

        /* Buttons */
        .btn-outline { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--border-color); color: var(--text-main); padding: 10px 20px; border-radius: 8px; font-weight: 600; font-size: 0.88rem; transition: all 0.25s ease; }
        .btn-outline:hover { border-color: var(--primary); color: var(--primary); }
        .btn-solid { display: inline-flex; align-items: center; gap: 8px; background: var(--primary); color: #0A0E0C; padding: 10px 20px; border-radius: 8px; font-weight: 700; font-size: 0.88rem; transition: all 0.25s ease; }
        .btn-solid:hover { background: #B8F04E; transform: translateY(-1px); box-shadow: 0 6px 18px rgba(163, 230, 53, 0.3); }

        /* Grids */
        .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
        @media (max-width: 1023px) {
            .grid-3 { grid-template-columns: repeat(2, 1fr); }
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 640px) {
            .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; gap: 16px; }
        }

        /* Timeline */
        .timeline { position: relative; padding-left: 28px; }
        .timeline::before { content: ''; position: absolute; left: 10px; top: 4px; bottom: 4px; width: 2px; background: var(--border-color); }
        .timeline-item { position: relative; padding-bottom: 28px; }
        .timeline-item:last-child { padding-bottom: 0; }
        .timeline-item::before { content: ''; position: absolute; left: -22px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--primary); border: 2px solid var(--bg-base); box-shadow: 0 0 8px rgba(163, 230, 53, 0.4); }
        .timeline-date { font-family: var(--font-mono); font-size: 0.75rem; color: var(--primary); font-weight: 600; }
        .timeline-title { font-size: 0.95rem; font-weight: 700; margin: 4px 0; }
        .timeline-text { font-size: 0.85rem; color: var(--text-muted); }

        /* FAQ */
        .faq-item { border: 1px solid var(--border-color); border-radius: var(--radius-md); margin-bottom: 12px; overflow: hidden; background: var(--bg-panel); }
        .faq-question { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; cursor: pointer; user-select: none; font-weight: 600; font-size: 0.95rem; }
        .faq-question:hover { color: var(--primary); }
        .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease; padding: 0 20px; }
        .faq-item.open .faq-answer { max-height: 300px; padding: 0 20px 16px; }
        .faq-answer p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.8; }
        .faq-icon { font-size: 0.8rem; transition: transform 0.3s ease; color: var(--primary); }
        .faq-item.open .faq-icon { transform: rotate(180deg); }

        /* Tables */
        .compare-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
        .compare-table th, .compare-table td { padding: 14px 16px; text-align: left; border-bottom: 1px solid #1A232B; }
        .compare-table th { color: var(--text-main); font-weight: 700; background: #0D1318; font-size: 0.8rem; }
        .compare-table td { color: var(--text-muted); }
        .compare-table tr:hover td { background: rgba(163, 230, 53, 0.03); }
        .compare-highlight { color: var(--primary); font-weight: 600; }

        /* Footer */
        footer { background: #0D1216; border-top: 1px solid var(--border-color); padding: 56px 0 24px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 40px; }
        .footer-brand h3 { font-size: 1.3rem; font-weight: 800; color: var(--primary); margin-bottom: 12px; }
        .footer-brand p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.7; }
        .footer-col h4 { font-size: 0.82rem; font-weight: 700; color: var(--text-main); margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.03em; }
        .footer-col a { display: block; font-size: 0.85rem; color: var(--text-muted); padding: 4px 0; transition: all 0.2s ease; }
        .footer-col a:hover { color: var(--primary); }
        .footer-bottom { border-top: 1px solid var(--border-color); padding-top: 20px; display: flex; flex-direction: column; gap: 8px; }
        .footer-bottom p { font-size: 0.78rem; color: var(--text-dim); }
        .footer-bottom-links { display: flex; gap: 16px; flex-wrap: wrap; }
        .footer-bottom-links a { font-size: 0.78rem; color: var(--text-dim); }
        .footer-bottom-links a:hover { color: var(--primary); }
        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 640px) {
            .footer-grid { grid-template-columns: 1fr; gap: 20px; }
        }

        /* Bottom fixed CTA */
        .bottom-cta { position: fixed; bottom: 16px; right: 16px; z-index: 55; background: var(--bg-panel); border: 1px solid rgba(163, 230, 53, 0.4); border-radius: 12px; padding: 14px 18px; display: flex; align-items: center; gap: 12px; box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5); max-width: 340px; }
        .bottom-cta-text { font-size: 0.82rem; color: var(--text-muted); line-height: 1.4; }
        .bottom-cta-text strong { color: var(--primary); }
        .bottom-cta-btn { background: var(--primary); color: #0A0E0C; font-weight: 700; padding: 8px 16px; border-radius: 6px; font-size: 0.8rem; white-space: nowrap; transition: all 0.25s ease; }
        .bottom-cta-btn:hover { background: #B8F04E; }
        .bottom-cta-close { background: transparent; border: none; color: var(--text-dim); font-size: 1rem; width: 28px; height: 28px; border-radius: 4px; display: flex; align-items: center; justify-content: center; transition: all 0.2s ease; }
        .bottom-cta-close:hover { color: var(--text-main); background: var(--bg-base); }
        @media (max-width: 640px) {
            .bottom-cta { bottom: 0; right: 0; left: 0; max-width: 100%; border-radius: 12px 12px 0 0; border-left: none; border-right: none; border-bottom: none; }
        }

        /* Marquee */
        .marquee-track { display: flex; gap: 24px; animation: marquee 30s linear infinite; }
        @keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
        .marquee-item { white-space: nowrap; font-size: 0.85rem; color: var(--text-muted); padding: 10px 18px; background: var(--bg-panel); border: 1px solid var(--border-color); border-radius: 20px; }

        /* HUD corner decoration */
        .hud-corner { position: absolute; width: 20px; height: 20px; border-color: var(--primary); border-style: solid; opacity: 0.3; }
        .hud-tl { top: 8px; left: 8px; border-width: 2px 0 0 2px; }
        .hud-tr { top: 8px; right: 8px; border-width: 2px 2px 0 0; }
        .hud-bl { bottom: 8px; left: 8px; border-width: 0 0 2px 2px; }
        .hud-br { bottom: 8px; right: 8px; border-width: 0 2px 2px 0; }

        /* Form */
        .form-input { background: var(--bg-base); border: 1px solid var(--border-color); border-radius: 8px; padding: 12px 16px; color: var(--text-main); font-size: 0.9rem; width: 100%; transition: border-color 0.25s ease; }
        .form-input:focus { border-color: var(--primary); }
        .form-input::placeholder { color: var(--text-dim); }

/* roulang page: category1 */
:root {
            --bg-base: #0A0E0C;
            --bg-panel: #10161C;
            --bg-panel-2: #0D1318;
            --border-color: #26313A;
            --primary: #A3E635;
            --primary-dim: #84cc16;
            --secondary: #F43F5E;
            --accent: #FFB800;
            --purple: #8B5CF6;
            --text-main: #F2F5F3;
            --text-muted: #9AA7A0;
            --text-dim: #6E7B74;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 20px rgba(163, 230, 53, 0.15);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Source Han Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', 'Menlo', 'Consolas', monospace;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            background-color: var(--bg-base);
            color: var(--text-main);
            font-family: var(--font-sans);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, opacity 0.25s ease;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
        }

        /* Promotion Bar */
        .promo-bar {
            background: #0D1216;
            border-bottom: 1px solid var(--border-color);
            padding: 8px 0;
            position: relative;
            z-index: 50;
        }
        .promo-tag {
            background: var(--secondary);
            color: #fff;
            font-size: 0.68rem;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 3px;
            letter-spacing: 0.03em;
        }

        /* Main Nav */
        .main-nav {
            background: rgba(10, 14, 12, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 60;
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.5rem;
            letter-spacing: -0.02em;
            color: var(--primary);
            white-space: nowrap;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 0.9rem;
            color: #0A0E0C;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-link {
            padding: 8px 14px;
            border-radius: 6px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(163, 230, 53, 0.06);
        }
        .nav-link.active {
            color: var(--primary);
        }
        .nav-link.active::after {
            content: '';
            display: block;
            width: 20px;
            height: 2px;
            background: var(--primary);
            margin: 2px auto 0;
            border-radius: 1px;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-icon-btn {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            transition: all 0.2s ease;
        }
        .nav-icon-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .nav-cta {
            background: var(--primary);
            color: #0A0E0C;
            font-weight: 700;
            padding: 10px 20px;
            border-radius: 8px;
            font-size: 0.88rem;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: #B8F04E;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(163, 230, 53, 0.3);
        }
        .mobile-toggle {
            display: none;
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            color: var(--text-main);
            width: 44px;
            height: 44px;
            border-radius: 8px;
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
        }
        .drawer {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 320px;
            max-width: 85vw;
            background: var(--bg-panel);
            border-left: 1px solid var(--border-color);
            z-index: 80;
            padding: 24px 20px;
            flex-direction: column;
            gap: 12px;
            overflow-y: auto;
        }
        .drawer.open {
            display: flex;
        }
        .drawer-close {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--bg-base);
            border: 1px solid var(--border-color);
            width: 40px;
            height: 40px;
            border-radius: 8px;
            color: var(--text-main);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .drawer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-top: 56px;
        }
        .drawer-link {
            padding: 12px 16px;
            border-radius: 8px;
            font-weight: 500;
            color: var(--text-muted);
            border: 1px solid transparent;
        }
        .drawer-link:hover, .drawer-link.active {
            border-color: var(--border-color);
            color: var(--primary);
            background: rgba(163, 230, 53, 0.05);
        }
        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 70;
        }
        .drawer-overlay.open {
            display: block;
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .nav-right .nav-icon-btn:first-child {
                display: none;
            }
            .nav-inner {
                height: 60px;
            }
            .logo {
                font-size: 1.25rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.8rem;
            }
            .nav-cta {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
        }

        /* Category Header */
        .category-header {
            position: relative;
            min-height: 240px;
            display: flex;
            align-items: center;
            padding: 60px 0 40px;
            overflow: hidden;
            background: #0A0E0C;
        }
        .category-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.25;
        }
        .category-header-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10,14,12,0.9) 0%, rgba(10,14,12,0.6) 55%, rgba(10,14,12,0.85) 100%);
        }
        .category-header-content {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb-sep {
            font-size: 0.7rem;
            color: var(--text-dim);
        }
        .category-title {
            font-size: 2.25rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.3;
            margin-bottom: 8px;
        }
        .category-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 720px;
            margin-bottom: 16px;
        }
        .category-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-dim);
        }
        .category-stats span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .category-stats i {
            color: var(--primary);
        }

        /* Filter Toolbar */
        .filter-toolbar {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .filter-tag {
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            font-size: 0.82rem;
            color: var(--text-muted);
            background: transparent;
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(163, 230, 53, 0.06);
        }
        .filter-tag.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #0A0E0C;
            font-weight: 600;
        }
        .filter-sort {
            display: flex;
            gap: 6px;
            align-items: center;
        }
        .sort-btn {
            padding: 6px 12px;
            border-radius: 6px;
            border: 1px solid var(--border-color);
            font-size: 0.82rem;
            color: var(--text-muted);
            background: var(--bg-base);
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .sort-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .sort-btn.active {
            background: var(--bg-panel-2);
            border-color: var(--primary);
            color: var(--primary);
            font-weight: 500;
        }

        /* Guide Cards */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 24px;
            margin-bottom: 32px;
        }
        .guide-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-card);
        }
        .guide-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-glow), var(--shadow-card);
            transform: translateY(-3px);
        }
        .guide-card-img {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--bg-panel-2);
        }
        .guide-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .guide-card:hover .guide-card-img img {
            transform: scale(1.05);
        }
        .guide-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(10, 14, 12, 0.85);
            border: 1px solid rgba(163, 230, 53, 0.4);
            color: var(--primary);
            font-size: 0.72rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 4px;
            letter-spacing: 0.02em;
            backdrop-filter: blur(8px);
        }
        .guide-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .guide-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 8px;
            color: var(--text-main);
            transition: color 0.25s ease;
        }
        .guide-card:hover .guide-card-title {
            color: var(--primary);
        }
        .guide-card-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }
        .guide-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: var(--text-dim);
            border-top: 1px solid var(--border-color);
            padding-top: 12px;
        }
        .guide-card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .guide-card-meta i {
            color: var(--primary);
            font-size: 0.7rem;
        }

        /* View More */
        .view-more-section {
            text-align: center;
            margin: 24px 0 48px;
        }
        .view-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            color: var(--text-main);
            font-weight: 600;
            padding: 14px 36px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            transition: all 0.3s ease;
        }
        .view-more-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(163, 230, 53, 0.05);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }

        /* Hot Ranking */
        .ranking-section {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            margin-bottom: 48px;
        }
        .ranking-title {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ranking-title i {
            color: var(--accent);
        }
        .ranking-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 12px;
        }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            background: var(--bg-panel-2);
            border: 1px solid transparent;
            transition: all 0.25s ease;
        }
        .ranking-item:hover {
            border-color: var(--border-color);
            background: var(--bg-base);
        }
        .ranking-num {
            font-family: var(--font-mono);
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary);
            width: 36px;
            text-align: center;
            flex-shrink: 0;
        }
        .ranking-item:nth-child(1) .ranking-num,
        .ranking-item:nth-child(2) .ranking-num,
        .ranking-item:nth-child(3) .ranking-num {
            color: var(--accent);
        }
        .ranking-info {
            flex: 1;
            min-width: 0;
        }
        .ranking-name {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-main);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .ranking-meta {
            font-size: 0.75rem;
            color: var(--text-dim);
            display: flex;
            gap: 12px;
            align-items: center;
        }

        /* Subscribe CTA */
        .subscribe-cta {
            background: var(--bg-panel);
            border: 1px solid rgba(163, 230, 53, 0.35);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            margin-bottom: 48px;
            position: relative;
            overflow: hidden;
        }
        .subscribe-cta::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent), var(--primary));
            background-size: 200% 100%;
            animation: gradientShift 3s ease infinite;
        }
        @keyframes gradientShift {
            0%, 100% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
        }
        .subscribe-cta h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .subscribe-cta p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .subscribe-input {
            flex: 1;
            min-width: 240px;
            background: var(--bg-base);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            color: var(--text-main);
            font-size: 0.95rem;
            transition: all 0.25s ease;
        }
        .subscribe-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(163, 230, 53, 0.12);
        }
        .subscribe-input::placeholder {
            color: var(--text-dim);
        }
        .subscribe-btn {
            background: var(--primary);
            color: #0A0E0C;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .subscribe-btn:hover {
            background: #B8F04E;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(163, 230, 53, 0.3);
        }
        .subscribe-btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* FAQ */
        .faq-section {
            margin-bottom: 48px;
        }
        .faq-title {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-title i {
            color: var(--purple);
        }
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-panel);
            transition: border-color 0.25s ease;
        }
        .faq-item:hover {
            border-color: rgba(163, 230, 53, 0.4);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-main);
            transition: color 0.25s ease;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            border-left: 3px solid transparent;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-item.open .faq-question {
            border-left-color: var(--primary);
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: var(--bg-base);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--text-muted);
            transition: all 0.25s ease;
        }
        .faq-item.open .faq-icon {
            color: var(--primary);
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }

        /* Footer */
        footer {
            background: var(--bg-panel-2);
            border-top: 1px solid var(--border-color);
            padding-top: 48px;
            margin-top: 48px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--border-color);
        }
        .footer-brand h3 {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 14px;
            color: var(--text-main);
        }
        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: var(--text-muted);
            padding: 4px 0;
            transition: color 0.2s ease;
        }
        .footer-col a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            padding: 20px 0 28px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--text-dim);
        }
        .footer-bottom-links {
            display: flex;
            gap: 8px;
            align-items: center;
            flex-wrap: wrap;
        }
        .footer-bottom a {
            color: var(--text-dim);
            transition: color 0.2s ease;
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* Fixed Bottom CTA */
        .fixed-bottom-cta {
            position: fixed;
            bottom: 16px;
            right: 16px;
            z-index: 55;
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 12px 16px;
            display: flex;
            align-items: center;
            gap: 12px;
            box-shadow: var(--shadow-card);
            max-width: 380px;
            transition: all 0.3s ease;
        }
        .fixed-bottom-cta:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-glow), var(--shadow-card);
        }
        .fixed-cta-text {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.4;
        }
        .fixed-cta-btn {
            background: var(--primary);
            color: #0A0E0C;
            font-weight: 700;
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 0.82rem;
            white-space: nowrap;
            transition: all 0.25s ease;
            flex-shrink: 0;
        }
        .fixed-cta-btn:hover {
            background: #B8F04E;
            box-shadow: 0 4px 14px rgba(163, 230, 53, 0.35);
        }
        .fixed-cta-close {
            background: transparent;
            border: none;
            color: var(--text-dim);
            font-size: 1rem;
            cursor: pointer;
            padding: 4px;
            border-radius: 4px;
            transition: color 0.2s ease;
            flex-shrink: 0;
        }
        .fixed-cta-close:hover {
            color: var(--text-main);
        }

        @media (max-width: 768px) {
            .category-title {
                font-size: 1.6rem;
            }
            .category-header {
                min-height: 200px;
                padding: 40px 0 28px;
            }
            .guide-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .filter-toolbar {
                padding: 12px 16px;
                flex-direction: column;
                align-items: flex-start;
            }
            .ranking-list {
                grid-template-columns: 1fr;
            }
            .ranking-section {
                padding: 24px 18px;
            }
            .subscribe-cta {
                padding: 24px 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .fixed-bottom-cta {
                bottom: 12px;
                right: 12px;
                left: 12px;
                max-width: none;
                justify-content: space-between;
            }
        }

        @media (max-width: 480px) {
            .category-title {
                font-size: 1.35rem;
            }
            .filter-tags {
                gap: 6px;
            }
            .filter-tag {
                padding: 5px 10px;
                font-size: 0.75rem;
            }
            .sort-btn {
                padding: 5px 8px;
                font-size: 0.75rem;
            }
            .guide-card-title {
                font-size: 1rem;
            }
        }

/* roulang page: category2 */
:root {
            --bg-base: #0A0E0C;
            --bg-panel: #10161C;
            --bg-panel-2: #0D1318;
            --border-color: #26313A;
            --primary: #A3E635;
            --primary-dim: #84cc16;
            --secondary: #F43F5E;
            --accent: #FFB800;
            --purple: #8B5CF6;
            --text-main: #F2F5F3;
            --text-muted: #9AA7A0;
            --text-dim: #6E7B74;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 20px rgba(163, 230, 53, 0.15);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Source Han Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', 'Menlo', 'Consolas', monospace;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            background-color: var(--bg-base);
            color: var(--text-main);
            font-family: var(--font-sans);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, opacity 0.25s ease;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Nav */
        .promo-bar {
            background: #0D1216;
            border-bottom: 1px solid var(--border-color);
            padding: 8px 0;
            position: relative;
            z-index: 50;
        }
        .promo-tag {
            background: var(--secondary);
            color: #fff;
            font-size: 0.68rem;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 3px;
            letter-spacing: 0.03em;
        }
        .main-nav {
            background: rgba(10, 14, 12, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 60;
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.5rem;
            letter-spacing: -0.02em;
            color: var(--primary);
            white-space: nowrap;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 0.9rem;
            color: #0A0E0C;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-link {
            padding: 8px 14px;
            border-radius: 6px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(163, 230, 53, 0.06);
        }
        .nav-link.active {
            color: var(--primary);
        }
        .nav-link.active::after {
            content: '';
            display: block;
            width: 20px;
            height: 2px;
            background: var(--primary);
            margin: 2px auto 0;
            border-radius: 1px;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-icon-btn {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            transition: all 0.2s ease;
        }
        .nav-icon-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .nav-cta {
            background: var(--primary);
            color: #0A0E0C;
            font-weight: 700;
            padding: 10px 20px;
            border-radius: 8px;
            font-size: 0.88rem;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: #B8F04E;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(163, 230, 53, 0.3);
        }
        .mobile-toggle {
            display: none;
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            color: var(--text-main);
            width: 44px;
            height: 44px;
            border-radius: 8px;
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
        }
        .drawer {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 320px;
            max-width: 85vw;
            background: var(--bg-panel);
            border-left: 1px solid var(--border-color);
            z-index: 80;
            padding: 24px 20px;
            flex-direction: column;
            gap: 12px;
            overflow-y: auto;
        }
        .drawer.open {
            display: flex;
        }
        .drawer-close {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--bg-base);
            border: 1px solid var(--border-color);
            width: 40px;
            height: 40px;
            border-radius: 8px;
            color: var(--text-main);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .drawer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-top: 56px;
        }
        .drawer-link {
            padding: 12px 16px;
            border-radius: 8px;
            font-weight: 500;
            color: var(--text-muted);
            border: 1px solid transparent;
        }
        .drawer-link:hover,
        .drawer-link.active {
            border-color: var(--border-color);
            color: var(--primary);
            background: rgba(163, 230, 53, 0.05);
        }
        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 70;
        }
        .drawer-overlay.open {
            display: block;
        }

        /* Category Header */
        .category-header {
            position: relative;
            min-height: 220px;
            display: flex;
            align-items: center;
            background: #0A0E0C;
            overflow: hidden;
            padding: 40px 0 32px;
            border-bottom: 1px solid var(--border-color);
        }
        .category-header-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.25;
            z-index: 1;
        }
        .category-header-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 14, 12, 0.75) 0%, rgba(10, 14, 12, 0.9) 100%);
            z-index: 2;
        }
        .category-header-content {
            position: relative;
            z-index: 3;
            width: 100%;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.82rem;
            color: var(--text-dim);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb-sep {
            color: var(--border-color);
        }
        .category-header h1 {
            font-size: clamp(1.875rem, 3.5vw, 2.75rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.3;
        }
        .category-header h1 span {
            color: var(--primary);
        }
        .category-header-desc {
            max-width: 720px;
            color: var(--text-muted);
            font-size: 0.98rem;
            line-height: 1.8;
            margin-bottom: 14px;
        }
        .category-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .category-stats i {
            color: var(--primary);
            margin-right: 4px;
        }

        /* Filter Toolbar */
        .filter-toolbar {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-top: -18px;
            position: relative;
            z-index: 5;
            box-shadow: var(--shadow-card);
        }
        .filter-group {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .filter-label {
            font-size: 0.78rem;
            color: var(--text-dim);
            margin-right: 4px;
            white-space: nowrap;
        }
        .filter-tag {
            padding: 6px 14px;
            border-radius: 6px;
            font-size: 0.8rem;
            font-weight: 500;
            background: var(--bg-base);
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--primary-dim);
            color: var(--text-main);
        }
        .filter-tag.active {
            background: var(--primary);
            color: #0A0E0C;
            border-color: var(--primary);
            font-weight: 700;
        }
        .sort-btns {
            display: flex;
            gap: 4px;
            margin-left: auto;
        }
        .sort-btn {
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 0.78rem;
            background: var(--bg-base);
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .sort-btn:hover {
            border-color: var(--primary-dim);
            color: var(--text-main);
        }
        .sort-btn.active {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(163, 230, 53, 0.06);
        }

        /* Version Cards */
        .version-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .version-card {
            display: grid;
            grid-template-columns: 220px 1fr auto;
            gap: 18px;
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s ease;
            position: relative;
        }
        .version-card:hover {
            border-color: var(--primary-dim);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }
        .version-card-img {
            width: 220px;
            height: 100%;
            min-height: 160px;
            object-fit: cover;
        }
        .version-card-body {
            padding: 18px 8px 18px 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 8px;
        }
        .version-card-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 4px;
            letter-spacing: 0.03em;
            width: fit-content;
        }
        .tag-new {
            background: rgba(163, 230, 53, 0.12);
            color: var(--primary);
            border: 1px solid rgba(163, 230, 53, 0.3);
        }
        .tag-balance {
            background: rgba(139, 92, 246, 0.12);
            color: var(--purple);
            border: 1px solid rgba(139, 92, 246, 0.3);
        }
        .tag-fix {
            background: rgba(244, 63, 94, 0.12);
            color: var(--secondary);
            border: 1px solid rgba(244, 63, 94, 0.3);
        }
        .tag-event {
            background: rgba(255, 184, 0, 0.12);
            color: var(--accent);
            border: 1px solid rgba(255, 184, 0, 0.3);
        }
        .version-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            transition: color 0.2s ease;
        }
        .version-card:hover .version-card-title {
            color: var(--primary);
        }
        .version-card-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .version-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.78rem;
            color: var(--text-dim);
        }
        .version-card-meta i {
            margin-right: 3px;
            color: var(--primary-dim);
        }
        .version-card-right {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            justify-content: center;
            gap: 8px;
            padding: 18px;
            min-width: 100px;
            border-left: 1px solid var(--border-color);
        }
        .version-number {
            font-family: var(--font-mono);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .version-date {
            font-size: 0.75rem;
            color: var(--text-dim);
            white-space: nowrap;
        }
        .version-link-btn {
            padding: 6px 16px;
            border-radius: 6px;
            font-size: 0.78rem;
            font-weight: 600;
            background: var(--bg-base);
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .version-link-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(163, 230, 53, 0.05);
        }

        /* Load More */
        .load-more-wrap {
            display: flex;
            justify-content: center;
            padding: 8px 0 4px;
        }
        .load-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            transition: all 0.25s ease;
        }
        .load-more-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(163, 230, 53, 0.05);
            box-shadow: var(--shadow-glow);
        }

        /* Hot Topics */
        .hot-topics {
            background: var(--bg-panel-2);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px;
        }
        .hot-topics-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
            margin-top: 16px;
        }
        .hot-topic-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 16px;
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            transition: all 0.25s ease;
        }
        .hot-topic-item:hover {
            border-color: var(--primary-dim);
            background: rgba(163, 230, 53, 0.03);
        }
        .hot-topic-rank {
            font-family: var(--font-mono);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            min-width: 36px;
            text-align: center;
        }
        .hot-topic-rank.r2 {
            color: var(--accent);
        }
        .hot-topic-rank.r3 {
            color: var(--secondary);
        }
        .hot-topic-info h4 {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 3px;
            line-height: 1.4;
        }
        .hot-topic-info p {
            font-size: 0.78rem;
            color: var(--text-dim);
            line-height: 1.5;
        }

        /* Version Comparison Table */
        .comparison-wrap {
            overflow-x: auto;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            background: var(--bg-panel);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 680px;
            font-size: 0.85rem;
        }
        .comparison-table th {
            background: var(--bg-panel-2);
            color: var(--text-muted);
            font-weight: 600;
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
            white-space: nowrap;
        }
        .comparison-table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border-color);
            color: var(--text-muted);
            line-height: 1.6;
        }
        .comparison-table tr:last-child td {
            border-bottom: none;
        }
        .comparison-table tr:hover td {
            background: rgba(163, 230, 53, 0.03);
        }
        .comparison-table .ver-cell {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
        }
        .comparison-table .highlight-cell {
            color: var(--text-main);
            font-weight: 500;
        }

        /* Subscribe CTA */
        .subscribe-cta {
            background: linear-gradient(135deg, var(--bg-panel) 0%, var(--bg-panel-2) 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: center;
            position: relative;
            overflow: hidden;
        }
        .subscribe-cta::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(163, 230, 53, 0.08) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .subscribe-cta h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            position: relative;
            z-index: 2;
        }
        .subscribe-cta p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            position: relative;
            z-index: 2;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            position: relative;
            z-index: 2;
            flex-wrap: wrap;
        }
        .subscribe-input {
            flex: 1;
            min-width: 200px;
            padding: 11px 16px;
            border-radius: 8px;
            background: var(--bg-base);
            border: 1px solid var(--border-color);
            color: var(--text-main);
            font-size: 0.88rem;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        .subscribe-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(163, 230, 53, 0.1);
        }
        .subscribe-input::placeholder {
            color: var(--text-dim);
        }
        .subscribe-btn {
            padding: 11px 24px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 0.88rem;
            background: var(--primary);
            color: #0A0E0C;
            border: none;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .subscribe-btn:hover {
            background: #B8F04E;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(163, 230, 53, 0.3);
        }
        .subscribe-btn:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* FAQ */
        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: border-color 0.2s ease;
        }
        .faq-item:hover {
            border-color: var(--primary-dim);
        }
        .faq-item.open {
            border-color: var(--primary);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 18px;
            background: none;
            border: none;
            color: var(--text-main);
            font-weight: 600;
            font-size: 0.92rem;
            text-align: left;
            transition: all 0.2s ease;
            line-height: 1.5;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-base);
            border: 1px solid var(--border-color);
            border-radius: 5px;
            font-size: 0.7rem;
            color: var(--text-muted);
            transition: all 0.25s ease;
        }
        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #0A0E0C;
            border-color: var(--primary);
            transform: rotate(45deg);
        }
        .faq-answer {
            display: none;
            padding: 0 18px 16px;
            font-size: 0.86rem;
            color: var(--text-muted);
            line-height: 1.75;
            border-left: 3px solid var(--primary);
            margin-left: 18px;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* Bottom Sticky Bar */
        .bottom-sticky-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 55;
            background: rgba(10, 14, 12, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--border-color);
            padding: 12px 0;
            transform: translateY(0);
            transition: transform 0.3s ease;
        }
        .bottom-sticky-bar.hidden {
            transform: translateY(100%);
        }
        .bottom-sticky-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .bottom-sticky-text {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .bottom-sticky-text strong {
            color: var(--primary);
        }
        .bottom-sticky-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .bottom-sticky-btn {
            padding: 9px 20px;
            border-radius: 7px;
            font-weight: 700;
            font-size: 0.82rem;
            white-space: nowrap;
            transition: all 0.25s ease;
        }
        .bottom-sticky-btn.primary {
            background: var(--primary);
            color: #0A0E0C;
        }
        .bottom-sticky-btn.primary:hover {
            background: #B8F04E;
            box-shadow: 0 4px 14px rgba(163, 230, 53, 0.3);
        }
        .bottom-sticky-btn.secondary {
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            background: transparent;
        }
        .bottom-sticky-btn.secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .bottom-sticky-close {
            width: 36px;
            height: 36px;
            border-radius: 7px;
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s ease;
            font-size: 0.8rem;
        }
        .bottom-sticky-close:hover {
            border-color: var(--secondary);
            color: var(--secondary);
        }

        /* Footer */
        footer {
            background: var(--bg-panel-2);
            border-top: 1px solid var(--border-color);
            padding: 40px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 24px;
            margin-bottom: 28px;
        }
        .footer-brand h3 {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .footer-brand p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .footer-col a {
            display: block;
            font-size: 0.8rem;
            color: var(--text-muted);
            padding: 4px 0;
            transition: color 0.2s ease;
        }
        .footer-col a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.75rem;
            color: var(--text-dim);
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-bottom-links a:hover {
            color: var(--primary);
        }

        /* Section Base */
        section {
            padding: 48px 0;
        }
        .section-header {
            margin-bottom: 24px;
        }
        .section-header h2 {
            font-size: clamp(1.5rem, 2.5vw, 1.8rem);
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--text-main);
            line-height: 1.35;
        }
        .section-header h2 span {
            color: var(--primary);
        }
        .section-header p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 6px;
            line-height: 1.7;
            max-width: 640px;
        }
        .section-divider {
            border: none;
            border-top: 1px solid var(--border-color);
            margin: 8px 0 0;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .version-card {
                grid-template-columns: 180px 1fr;
            }
            .version-card-right {
                grid-column: 1 / -1;
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
                border-left: none;
                border-top: 1px solid var(--border-color);
                padding: 12px 18px;
                min-width: auto;
            }
            .hot-topics-grid {
                grid-template-columns: 1fr;
            }
            .subscribe-cta {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .nav-links {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .nav-right .nav-icon-btn:first-child {
                display: none;
            }
            .nav-inner {
                height: 60px;
            }
            .logo {
                font-size: 1.25rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.8rem;
            }
            .nav-cta {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            section {
                padding: 36px 0;
            }
            .category-header {
                min-height: 180px;
                padding: 28px 0 24px;
            }
            .filter-toolbar {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                margin-top: -12px;
            }
            .sort-btns {
                margin-left: 0;
                width: 100%;
            }
            .sort-btn {
                flex: 1;
                text-align: center;
            }
            .version-card {
                grid-template-columns: 1fr;
            }
            .version-card-img {
                width: 100%;
                height: 160px;
                min-height: auto;
            }
            .version-card-body {
                padding: 16px 18px;
            }
            .version-card-right {
                padding: 10px 18px;
                flex-wrap: wrap;
                gap: 8px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                text-align: left;
            }
            .bottom-sticky-text {
                font-size: 0.75rem;
                max-width: 140px;
            }
            .bottom-sticky-btn {
                padding: 8px 14px;
                font-size: 0.75rem;
            }
        }
        @media (max-width: 520px) {
            .category-header h1 {
                font-size: 1.5rem;
            }
            .category-stats {
                gap: 10px;
                font-size: 0.72rem;
            }
            .filter-tag {
                padding: 5px 10px;
                font-size: 0.72rem;
            }
            .filter-label {
                font-size: 0.7rem;
            }
            .version-card-desc {
                -webkit-line-clamp: 3;
            }
            .hot-topic-rank {
                font-size: 1.2rem;
                min-width: 28px;
            }
            .subscribe-cta {
                padding: 20px 16px;
            }
            .subscribe-input {
                min-width: 100%;
            }
            .subscribe-btn {
                width: 100%;
                text-align: center;
            }
            .bottom-sticky-inner {
                gap: 8px;
            }
            .bottom-sticky-text {
                display: none;
            }
            .bottom-sticky-actions {
                width: 100%;
                justify-content: space-between;
            }
        }

/* roulang page: category3 */
:root {
            --bg-base: #0A0E0C;
            --bg-panel: #10161C;
            --bg-panel-2: #0D1318;
            --border-color: #26313A;
            --primary: #A3E635;
            --primary-dim: #84cc16;
            --secondary: #F43F5E;
            --accent: #FFB800;
            --purple: #8B5CF6;
            --text-main: #F2F5F3;
            --text-muted: #9AA7A0;
            --text-dim: #6E7B74;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 20px rgba(163, 230, 53, 0.15);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Source Han Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', 'Menlo', 'Consolas', monospace;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            background-color: var(--bg-base);
            color: var(--text-main);
            font-family: var(--font-sans);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, opacity 0.25s ease;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Nav */
        .promo-bar {
            background: #0D1216;
            border-bottom: 1px solid var(--border-color);
            padding: 8px 0;
            position: relative;
            z-index: 50;
        }
        .promo-tag {
            background: var(--secondary);
            color: #fff;
            font-size: 0.68rem;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 3px;
            letter-spacing: 0.03em;
        }
        .main-nav {
            background: rgba(10, 14, 12, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 60;
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.5rem;
            letter-spacing: -0.02em;
            color: var(--primary);
            white-space: nowrap;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 0.9rem;
            color: #0A0E0C;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-link {
            padding: 8px 14px;
            border-radius: 6px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(163, 230, 53, 0.06);
        }
        .nav-link.active {
            color: var(--primary);
        }
        .nav-link.active::after {
            content: '';
            display: block;
            width: 20px;
            height: 2px;
            background: var(--primary);
            margin: 2px auto 0;
            border-radius: 1px;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-icon-btn {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            transition: all 0.2s ease;
        }
        .nav-icon-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .nav-cta {
            background: var(--primary);
            color: #0A0E0C;
            font-weight: 700;
            padding: 10px 20px;
            border-radius: 8px;
            font-size: 0.88rem;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: #B8F04E;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(163, 230, 53, 0.3);
        }
        .mobile-toggle {
            display: none;
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            color: var(--text-main);
            width: 44px;
            height: 44px;
            border-radius: 8px;
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
        }
        .drawer {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 320px;
            max-width: 85vw;
            background: var(--bg-panel);
            border-left: 1px solid var(--border-color);
            z-index: 80;
            padding: 24px 20px;
            flex-direction: column;
            gap: 12px;
            overflow-y: auto;
        }
        .drawer.open {
            display: flex;
        }
        .drawer-close {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--bg-base);
            border: 1px solid var(--border-color);
            width: 40px;
            height: 40px;
            border-radius: 8px;
            color: var(--text-main);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .drawer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-top: 56px;
        }
        .drawer-link {
            padding: 12px 16px;
            border-radius: 8px;
            font-weight: 500;
            color: var(--text-muted);
            border: 1px solid transparent;
        }
        .drawer-link:hover, .drawer-link.active {
            border-color: var(--border-color);
            color: var(--primary);
            background: rgba(163, 230, 53, 0.05);
        }
        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 70;
        }
        .drawer-overlay.open {
            display: block;
        }

        /* Category Header */
        .category-header {
            position: relative;
            background: var(--bg-panel-2);
            border-bottom: 1px solid var(--border-color);
            padding: 56px 0 40px;
            overflow: hidden;
        }
        .category-header-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.2;
            z-index: 1;
        }
        .category-header-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10,14,12,0.75) 0%, rgba(10,14,12,0.88) 100%);
            z-index: 2;
        }
        .category-header-content {
            position: relative;
            z-index: 3;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            color: var(--text-dim);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb i {
            font-size: 0.6rem;
            color: var(--text-dim);
        }

        /* Filter Toolbar */
        .filter-toolbar {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .filter-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-tag {
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 500;
            color: var(--text-muted);
            background: var(--bg-base);
            border: 1px solid var(--border-color);
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .filter-tag.active {
            background: var(--primary);
            color: #0A0E0C;
            border-color: var(--primary);
            font-weight: 700;
        }
        .filter-sort {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .sort-btn {
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--text-muted);
            background: var(--bg-base);
            border: 1px solid var(--border-color);
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .sort-btn:hover, .sort-btn.active {
            border-color: var(--primary);
            color: var(--primary);
        }
        .sort-btn.active {
            background: rgba(163, 230, 53, 0.08);
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .data-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .data-card:hover {
            border-color: rgba(163, 230, 53, 0.5);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }
        .data-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: var(--bg-panel-2);
        }
        .data-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .data-card-tags {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }
        .data-card-tag {
            font-size: 0.68rem;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 3px;
            background: rgba(163, 230, 53, 0.1);
            color: var(--primary);
            border: 1px solid rgba(163, 230, 53, 0.3);
        }
        .data-card-title {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.5;
            color: var(--text-main);
        }
        .data-card-title a:hover {
            color: var(--primary);
        }
        .data-card-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 12px;
        }
        .data-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.72rem;
            color: var(--text-dim);
            border-top: 1px solid var(--border-color);
            padding-top: 10px;
        }
        .data-card-meta i {
            margin-right: 4px;
        }

        /* Ranking List */
        .ranking-list {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
            transition: background 0.2s ease;
        }
        .ranking-item:last-child {
            border-bottom: none;
        }
        .ranking-item:hover {
            background: rgba(163, 230, 53, 0.04);
        }
        .ranking-num {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.9rem;
            font-family: var(--font-mono);
            flex-shrink: 0;
        }
        .ranking-num.top1 {
            background: var(--accent);
            color: #0A0E0C;
        }
        .ranking-num.top2 {
            background: #C0C8C4;
            color: #0A0E0C;
        }
        .ranking-num.top3 {
            background: #B97A56;
            color: #0A0E0C;
        }
        .ranking-num.normal {
            background: var(--bg-base);
            color: var(--text-muted);
            border: 1px solid var(--border-color);
        }
        .ranking-info {
            flex: 1;
            min-width: 0;
        }
        .ranking-name {
            font-weight: 700;
            font-size: 0.9rem;
            margin-bottom: 2px;
        }
        .ranking-desc {
            font-size: 0.72rem;
            color: var(--text-dim);
        }
        .ranking-value {
            font-family: var(--font-mono);
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
        }

        /* Stats Panel */
        .stats-panel {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 24px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .stat-item {
            text-align: center;
            padding: 16px 12px;
            border-radius: var(--radius-sm);
            background: var(--bg-base);
            border: 1px solid var(--border-color);
        }
        .stat-value {
            font-family: var(--font-mono);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 4px;
            letter-spacing: -0.02em;
        }
        .stat-label {
            font-size: 0.72rem;
            color: var(--text-muted);
        }

        /* Calendar */
        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            gap: 8px;
        }
        .calendar-day {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 10px 8px;
            text-align: center;
            font-size: 0.75rem;
            color: var(--text-muted);
            transition: all 0.2s ease;
        }
        .calendar-day.has-event {
            border-color: var(--primary);
            background: rgba(163, 230, 53, 0.06);
            color: var(--text-main);
            cursor: pointer;
        }
        .calendar-day.has-event:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }
        .calendar-day .day-num {
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 0.85rem;
            display: block;
            margin-bottom: 2px;
        }
        .calendar-day .day-label {
            font-size: 0.62rem;
            color: var(--text-dim);
        }
        .calendar-day.today {
            border-color: var(--secondary);
            background: rgba(244, 63, 94, 0.08);
        }

        /* Subscribe CTA */
        .subscribe-cta {
            background: linear-gradient(135deg, var(--bg-panel) 0%, var(--bg-panel-2) 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .subscribe-input {
            background: var(--bg-base);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            color: var(--text-main);
            font-size: 0.85rem;
            min-width: 240px;
            outline: none;
            transition: border-color 0.2s ease;
        }
        .subscribe-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(163, 230, 53, 0.1);
        }
        .subscribe-input::placeholder {
            color: var(--text-dim);
        }
        .subscribe-btn {
            background: var(--primary);
            color: #0A0E0C;
            font-weight: 700;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            border: none;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .subscribe-btn:hover {
            background: #B8F04E;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(163, 230, 53, 0.3);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color 0.2s ease;
        }
        .faq-item:hover {
            border-color: rgba(163, 230, 53, 0.4);
        }
        .faq-question {
            width: 100%;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: transparent;
            border: none;
            color: var(--text-main);
            font-weight: 600;
            font-size: 0.9rem;
            text-align: left;
            gap: 12px;
        }
        .faq-question i {
            color: var(--primary);
            font-size: 0.7rem;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 20px 18px;
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.85;
            border-left: 3px solid var(--primary);
            margin-left: 20px;
            padding-left: 16px;
        }

        /* Bottom Fixed CTA */
        .bottom-cta {
            position: fixed;
            bottom: 16px;
            right: 24px;
            z-index: 65;
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 14px 20px;
            display: flex;
            align-items: center;
            gap: 14px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .bottom-cta:hover {
            box-shadow: 0 8px 32px rgba(163, 230, 53, 0.25);
        }
        .bottom-cta-text {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.4;
        }
        .bottom-cta-text strong {
            color: var(--text-main);
            display: block;
            font-size: 0.85rem;
        }
        .bottom-cta-btn {
            background: var(--primary);
            color: #0A0E0C;
            font-weight: 700;
            padding: 8px 18px;
            border-radius: 6px;
            font-size: 0.8rem;
            border: none;
            white-space: nowrap;
            transition: all 0.25s ease;
        }
        .bottom-cta-btn:hover {
            background: #B8F04E;
            transform: translateY(-1px);
        }
        .bottom-cta-close {
            background: transparent;
            border: none;
            color: var(--text-dim);
            font-size: 0.9rem;
            padding: 4px;
            cursor: pointer;
            transition: color 0.2s ease;
        }
        .bottom-cta-close:hover {
            color: var(--text-main);
        }

        /* Footer */
        footer {
            background: var(--bg-panel-2);
            border-top: 1px solid var(--border-color);
            padding: 56px 0 32px;
            margin-top: 64px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        .footer-brand h3 {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .footer-brand p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .footer-col h4 {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .footer-col a {
            display: block;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            transition: color 0.2s ease;
        }
        .footer-col a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.72rem;
            color: var(--text-dim);
        }
        .footer-bottom a {
            color: var(--text-dim);
            transition: color 0.2s ease;
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* Responsive */
        @media (min-width: 768px) {
            .container {
                padding: 0 24px;
            }
            .nav-links {
                display: flex;
            }
            .mobile-toggle {
                display: none;
            }
        }
        @media (max-width: 1023px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .calendar-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        @media (max-width: 767px) {
            .nav-links {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .nav-right .nav-icon-btn:first-child {
                display: none;
            }
            .nav-inner {
                height: 60px;
            }
            .logo {
                font-size: 1.25rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.8rem;
            }
            .nav-cta {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .category-header {
                padding: 36px 0 28px;
            }
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .filter-toolbar {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-sort {
                justify-content: center;
            }
            .subscribe-cta {
                flex-direction: column;
                text-align: center;
                padding: 24px 20px;
            }
            .subscribe-form {
                flex-direction: column;
                width: 100%;
            }
            .subscribe-input {
                min-width: 100%;
            }
            .bottom-cta {
                bottom: 0;
                right: 0;
                left: 0;
                border-radius: 0;
                border-left: none;
                border-right: none;
                border-bottom: none;
                padding: 10px 16px;
                gap: 10px;
            }
            .calendar-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 12px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-value {
                font-size: 1.2rem;
            }
            .cards-grid {
                gap: 14px;
            }
            .data-card-img {
                height: 140px;
            }
            .ranking-item {
                padding: 12px 14px;
                gap: 10px;
            }
            .bottom-cta-text {
                font-size: 0.7rem;
            }
            .bottom-cta-btn {
                padding: 6px 12px;
                font-size: 0.72rem;
            }
        }

        /* Additional utility */
        .section-title {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .section-subtitle {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 24px;
            line-height: 1.7;
        }
        .section-block {
            margin-bottom: 48px;
        }
        .divider-line {
            height: 1px;
            background: var(--border-color);
            margin: 40px 0;
        }
        .badge-primary {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(163, 230, 53, 0.1);
            color: var(--primary);
            font-size: 0.7rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 20px;
            border: 1px solid rgba(163, 230, 53, 0.3);
        }
        .glow-text {
            text-shadow: 0 0 20px rgba(163, 230, 53, 0.4);
        }

/* roulang page: category4 */
:root {
            --bg-base: #0A0E0C;
            --bg-panel: #10161C;
            --bg-panel-2: #0D1318;
            --border-color: #26313A;
            --primary: #A3E635;
            --primary-dim: #84cc16;
            --secondary: #F43F5E;
            --accent: #FFB800;
            --purple: #8B5CF6;
            --text-main: #F2F5F3;
            --text-muted: #9AA7A0;
            --text-dim: #6E7B74;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 20px rgba(163, 230, 53, 0.15);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Source Han Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', 'Menlo', 'Consolas', monospace;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            background-color: var(--bg-base);
            color: var(--text-main);
            font-family: var(--font-sans);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-bottom: 80px;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, opacity 0.25s ease;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Nav */
        .promo-bar {
            background: #0D1216;
            border-bottom: 1px solid var(--border-color);
            padding: 8px 0;
            position: relative;
            z-index: 50;
        }

        .promo-tag {
            background: var(--secondary);
            color: #fff;
            font-size: 0.68rem;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 3px;
            letter-spacing: 0.03em;
        }

        .main-nav {
            background: rgba(10, 14, 12, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 60;
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.5rem;
            letter-spacing: -0.02em;
            color: var(--primary);
            white-space: nowrap;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 0.9rem;
            color: #0A0E0C;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-link {
            padding: 8px 14px;
            border-radius: 6px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(163, 230, 53, 0.06);
        }

        .nav-link.active {
            color: var(--primary);
        }

        .nav-link.active::after {
            content: '';
            display: block;
            width: 20px;
            height: 2px;
            background: var(--primary);
            margin: 2px auto 0;
            border-radius: 1px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-icon-btn {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            transition: all 0.2s ease;
        }

        .nav-icon-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .nav-cta {
            background: var(--primary);
            color: #0A0E0C;
            font-weight: 700;
            padding: 10px 20px;
            border-radius: 8px;
            font-size: 0.88rem;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: #B8F04E;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(163, 230, 53, 0.3);
        }

        .mobile-toggle {
            display: none;
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            color: var(--text-main);
            width: 44px;
            height: 44px;
            border-radius: 8px;
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
        }

        .drawer {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 320px;
            max-width: 85vw;
            background: var(--bg-panel);
            border-left: 1px solid var(--border-color);
            z-index: 80;
            padding: 24px 20px;
            flex-direction: column;
            gap: 12px;
            overflow-y: auto;
        }

        .drawer.open {
            display: flex;
        }

        .drawer-close {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--bg-base);
            border: 1px solid var(--border-color);
            width: 40px;
            height: 40px;
            border-radius: 8px;
            color: var(--text-main);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .drawer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-top: 56px;
        }

        .drawer-link {
            padding: 12px 16px;
            border-radius: 8px;
            font-weight: 500;
            color: var(--text-muted);
            border: 1px solid transparent;
        }

        .drawer-link:hover,
        .drawer-link.active {
            border-color: var(--border-color);
            color: var(--primary);
            background: rgba(163, 230, 53, 0.05);
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 70;
        }

        .drawer-overlay.open {
            display: block;
        }

        /* Search Panel */
        .search-panel {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: var(--bg-panel);
            border-bottom: 1px solid var(--border-color);
            z-index: 90;
            padding: 20px 24px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
        }

        .search-panel.open {
            display: block;
        }

        .search-input-wrap {
            max-width: 720px;
            margin: 0 auto;
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .search-input-wrap input {
            flex: 1;
            background: var(--bg-base);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 12px 16px;
            color: var(--text-main);
            font-size: 1rem;
            outline: none;
            transition: border-color 0.2s ease;
        }

        .search-input-wrap input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 12px rgba(163, 230, 53, 0.2);
        }

        .search-input-wrap input::placeholder {
            color: var(--text-dim);
        }

        /* Page Header */
        .page-header {
            position: relative;
            min-height: 220px;
            display: flex;
            align-items: center;
            background: var(--bg-base);
            overflow: hidden;
            padding: 48px 0 40px;
        }

        .page-header-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.25;
            z-index: 1;
        }

        .page-header-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 14, 12, 0.93) 0%, rgba(10, 14, 12, 0.65) 50%, rgba(10, 14, 12, 0.88) 100%);
            z-index: 2;
        }

        .page-header-content {
            position: relative;
            z-index: 3;
            width: 100%;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-dim);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: color 0.2s ease;
        }

        .breadcrumb a:hover {
            color: var(--primary);
        }

        .breadcrumb .sep {
            color: var(--border-color);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--primary);
        }

        .page-title {
            font-size: 2.25rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-main);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .page-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.7;
        }

        .page-stats {
            display: flex;
            gap: 24px;
            margin-top: 20px;
            flex-wrap: wrap;
        }

        .page-stat {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-muted);
            font-size: 0.88rem;
        }

        .page-stat .stat-num {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--primary);
            font-size: 1.1rem;
        }

        /* Filter Bar */
        .filter-bar {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .filter-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-tag {
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            background: var(--bg-base);
            color: var(--text-muted);
            font-size: 0.85rem;
            font-weight: 500;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .filter-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .filter-tag.active {
            background: var(--primary);
            color: #0A0E0C;
            border-color: var(--primary);
            font-weight: 700;
        }

        .filter-sort {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sort-btn {
            padding: 6px 12px;
            border-radius: 6px;
            border: 1px solid var(--border-color);
            background: var(--bg-base);
            color: var(--text-muted);
            font-size: 0.82rem;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .sort-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .sort-btn.active {
            background: rgba(163, 230, 53, 0.1);
            border-color: var(--primary);
            color: var(--primary);
        }

        /* Community Layout */
        .community-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 24px;
            margin-bottom: 32px;
        }

        /* Post Card */
        .post-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.25s ease;
            margin-bottom: 16px;
        }

        .post-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }

        .post-card-inner {
            display: flex;
            gap: 16px;
            padding: 16px;
        }

        .post-card-cover {
            width: 120px;
            height: 90px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .post-card-body {
            flex: 1;
            min-width: 0;
        }

        .post-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.5;
            transition: color 0.2s ease;
        }

        .post-card:hover .post-card-title {
            color: var(--primary);
        }

        .post-card-excerpt {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .post-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .post-tag {
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 0.72rem;
            font-weight: 600;
            background: rgba(163, 230, 53, 0.1);
            color: var(--primary);
            letter-spacing: 0.02em;
        }

        .post-tag.blue-tag {
            background: rgba(139, 92, 246, 0.1);
            color: var(--purple);
        }

        .post-tag.pink-tag {
            background: rgba(244, 63, 94, 0.1);
            color: var(--secondary);
        }

        .post-tag.orange-tag {
            background: rgba(255, 184, 0, 0.1);
            color: var(--accent);
        }

        .post-date {
            font-size: 0.78rem;
            color: var(--text-dim);
            font-family: var(--font-mono);
        }

        .post-stats {
            display: flex;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--text-dim);
        }

        .post-stats i {
            margin-right: 4px;
            font-size: 0.7rem;
        }

        .post-reply-count {
            color: var(--primary);
            font-weight: 600;
            font-family: var(--font-mono);
        }

        /* Sidebar */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .sidebar-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px;
        }

        .sidebar-card-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card-title i {
            color: var(--primary);
            font-size: 0.85rem;
        }

        .hot-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .hot-item {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding: 8px 0;
            border-bottom: 1px solid rgba(38, 49, 58, 0.5);
            transition: all 0.2s ease;
        }

        .hot-item:last-child {
            border-bottom: none;
        }

        .hot-item:hover {
            padding-left: 4px;
        }

        .hot-rank {
            font-family: var(--font-mono);
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--text-dim);
            width: 28px;
            flex-shrink: 0;
            line-height: 1.2;
        }

        .hot-rank.top1 {
            color: var(--accent);
        }

        .hot-rank.top2 {
            color: #C0C0C0;
        }

        .hot-rank.top3 {
            color: #CD7F32;
        }

        .hot-item-content {
            flex: 1;
            min-width: 0;
        }

        .hot-item-title {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 4px;
            transition: color 0.2s ease;
        }

        .hot-item:hover .hot-item-title {
            color: var(--primary);
        }

        .hot-item-meta {
            font-size: 0.75rem;
            color: var(--text-dim);
            display: flex;
            gap: 10px;
        }

        .hot-item-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* Announcement */
        .announcement-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .announcement-item {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding: 10px 12px;
            border-left: 3px solid var(--primary);
            background: rgba(163, 230, 53, 0.03);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        }

        .announcement-item .ann-icon {
            color: var(--primary);
            font-size: 0.9rem;
            flex-shrink: 0;
            margin-top: 4px;
        }

        .announcement-item .ann-text {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Rules Section */
        .rules-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 16px;
            margin-top: 16px;
        }

        .rule-item {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all 0.25s ease;
        }

        .rule-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-glow);
        }

        .rule-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            margin-bottom: 12px;
        }

        .rule-icon.green {
            background: rgba(163, 230, 53, 0.1);
            color: var(--primary);
        }

        .rule-icon.pink {
            background: rgba(244, 63, 94, 0.1);
            color: var(--secondary);
        }

        .rule-icon.purple {
            background: rgba(139, 92, 246, 0.1);
            color: var(--purple);
        }

        .rule-icon.orange {
            background: rgba(255, 184, 0, 0.1);
            color: var(--accent);
        }

        .rule-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .rule-text {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-panel-2) 0%, var(--bg-panel) 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .cta-section-content {
            flex: 1;
            min-width: 280px;
        }

        .cta-section-title {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .cta-section-text {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .cta-section-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .cta-section-form input {
            background: var(--bg-base);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 12px 16px;
            color: var(--text-main);
            font-size: 0.92rem;
            outline: none;
            min-width: 240px;
            transition: border-color 0.2s ease;
        }

        .cta-section-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 12px rgba(163, 230, 53, 0.2);
        }

        .cta-section-form button {
            background: var(--primary);
            color: #0A0E0C;
            font-weight: 700;
            padding: 12px 24px;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            border: none;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .cta-section-form button:hover {
            background: #B8F04E;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(163, 230, 53, 0.3);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.2s ease;
        }

        .faq-item:hover {
            border-color: rgba(163, 230, 53, 0.4);
        }

        .faq-question {
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-main);
            font-size: 0.95rem;
            transition: color 0.2s ease;
            user-select: none;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question .faq-icon {
            color: var(--primary);
            font-size: 0.8rem;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            border-left: 3px solid var(--primary);
            margin-left: 16px;
        }

        .faq-item.open .faq-answer {
            max-height: 200px;
            padding: 0 20px 16px 16px;
        }

        .faq-answer p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Section Titles */
        .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .section-title {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.01em;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-title .title-badge {
            font-size: 0.75rem;
            font-weight: 700;
            background: var(--primary);
            color: #0A0E0C;
            padding: 3px 10px;
            border-radius: 4px;
            font-family: var(--font-mono);
        }

        .section-more {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 6px;
            border: 1px solid var(--border-color);
            transition: all 0.2s ease;
        }

        .section-more:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        section {
            margin-bottom: 32px;
        }

        /* Offtopic Note */
        .community-note {
            background: rgba(139, 92, 246, 0.05);
            border: 1px solid rgba(139, 92, 246, 0.3);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 16px;
        }

        .community-note i {
            color: var(--purple);
            font-size: 1rem;
            margin-top: 4px;
        }

        .community-note p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Fixed Bottom Bar */
        .fixed-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--bg-panel);
            border-top: 1px solid var(--border-color);
            z-index: 55;
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.4);
        }

        .fixed-bottom-bar .bar-text {
            font-size: 0.88rem;
            color: var(--text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .fixed-bottom-bar .bar-text strong {
            color: var(--primary);
            font-weight: 700;
        }

        .fixed-bottom-bar .bar-actions {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
            align-items: center;
        }

        .bar-btn-primary {
            background: var(--primary);
            color: #0A0E0C;
            font-weight: 700;
            padding: 8px 20px;
            border-radius: 8px;
            font-size: 0.85rem;
            border: none;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .bar-btn-primary:hover {
            background: #B8F04E;
            transform: translateY(-1px);
        }

        .bar-btn-secondary {
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.82rem;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .bar-btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .bar-close {
            width: 32px;
            height: 32px;
            border-radius: 6px;
            border: 1px solid var(--border-color);
            background: var(--bg-base);
            color: var(--text-dim);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            transition: all 0.2s ease;
            flex-shrink: 0;
        }

        .bar-close:hover {
            border-color: var(--secondary);
            color: var(--secondary);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .community-layout {
                grid-template-columns: 1fr;
            }

            .sidebar {
                flex-direction: column;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }

            .nav-links {
                display: none;
            }

            .mobile-toggle {
                display: flex;
            }

            .nav-right .nav-icon-btn:first-child {
                display: none;
            }

            .nav-inner {
                height: 60px;
            }

            .logo {
                font-size: 1.25rem;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.8rem;
            }

            .nav-cta {
                padding: 8px 16px;
                font-size: 0.8rem;
            }

            .page-title {
                font-size: 1.6rem;
            }

            .page-header {
                min-height: 180px;
                padding: 36px 0 28px;
            }

            .post-card-inner {
                flex-direction: column;
            }

            .post-card-cover {
                width: 100%;
                height: 160px;
                border-radius: var(--radius-sm);
            }

            .filter-bar {
                flex-direction: column;
                align-items: stretch;
            }

            .filter-tags {
                overflow-x: auto;
                flex-wrap: nowrap;
                padding-bottom: 4px;
            }

            .filter-tag {
                flex-shrink: 0;
            }

            .filter-sort {
                overflow-x: auto;
                flex-wrap: nowrap;
            }

            .sort-btn {
                flex-shrink: 0;
            }

            .cta-section {
                flex-direction: column;
                text-align: center;
            }

            .cta-section-form {
                width: 100%;
                justify-content: center;
            }

            .cta-section-form input {
                min-width: auto;
                flex: 1;
            }

            .fixed-bottom-bar {
                padding: 8px 12px;
                flex-wrap: wrap;
                gap: 8px;
            }

            .fixed-bottom-bar .bar-text {
                font-size: 0.78rem;
                white-space: normal;
                max-width: 100%;
            }

            .fixed-bottom-bar .bar-actions {
                flex-wrap: wrap;
                gap: 6px;
            }

            .bar-btn-primary,
            .bar-btn-secondary {
                padding: 6px 14px;
                font-size: 0.78rem;
                min-height: 44px;
            }

            body {
                padding-bottom: 120px;
            }

            .section-title {
                font-size: 1.15rem;
            }
        }

        @media (max-width: 520px) {
            .page-title {
                font-size: 1.35rem;
            }

            .page-subtitle {
                font-size: 0.9rem;
            }

            .page-stats {
                gap: 12px;
            }

            .page-stat {
                font-size: 0.75rem;
            }

            .post-card-cover {
                height: 140px;
            }

            .post-card-title {
                font-size: 0.95rem;
            }

            .sidebar-card {
                padding: 16px;
            }

            .hot-item-title {
                font-size: 0.82rem;
            }
        }

footer {
            background: var(--bg-panel-2);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 32px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: var(--text-muted);
            padding: 4px 0;
            transition: color 0.2s ease;
        }

        .footer-col a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--text-dim);
        }

        .footer-bottom p {
            margin: 0;
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-bottom-links a {
            color: var(--text-dim);
            font-size: 0.8rem;
        }

        .footer-bottom-links a:hover {
            color: var(--primary);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-bottom {
                text-align: center;
            }

            .footer-bottom-links {
                justify-content: center;
            }
        }
