:root {
            --bg-deep: #060d17;
            --bg-card: rgba(14, 22, 36, 0.75);
            --bg-card-hover: rgba(22, 32, 50, 0.9);
            --border-soft: #1e2d40;
            --border-glow: rgba(12, 230, 181, 0.22);
            --text-primary: #edf2f9;
            --text-secondary: #8899b4;
            --accent-teal: #0ce6b5;
            --accent-amber: #f0a500;
            --accent-purple: #8b5cf6;
            --accent-red: #f87171;
            --gradient-hero: linear-gradient(135deg, #0ce6b5 0%, #6dd5ed 50%, #8b5cf6 100%);
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-glow-teal: 0 0 24px rgba(12, 230, 181, 0.25);
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.55;
            -webkit-font-smoothing: antialiased;
        }

        .container { max-width: 1240px; margin: 0 auto; padding: 0 28px; }
        a { text-decoration: none; color: inherit; transition: color 0.2s; }

        /* 导航栏 */
        header {
            background: rgba(6, 13, 23, 0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-glow);
            position: sticky; top: 0; z-index: 100;
        }
        .nav-bar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; padding: 14px 0; }
        .brand { display: flex; flex-direction: column; }
        .brand-name { font-size: 1.7rem; font-weight: 800; background: var(--gradient-hero); -webkit-background-clip: text; background-clip: text; color: transparent; letter-spacing: -0.5px; line-height: 1.2; }
        .brand-accent { color: var(--accent-teal); -webkit-text-fill-color: var(--accent-teal); }
        .brand-tagline { font-size: 0.68rem; color: var(--text-secondary); letter-spacing: 0.3px; margin-top: 1px; }
        .nav-menu { display: flex; gap: 1.8rem; align-items: center; flex-wrap: wrap; }
        .nav-link { font-size: 0.9rem; font-weight: 500; color: #b0c0d4; position: relative; padding: 4px 0; transition: color 0.25s; }
        .nav-link::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px; background: var(--accent-teal); transition: width 0.28s; box-shadow: var(--shadow-glow-teal); }
        .nav-link:hover, .nav-link.active { color: var(--accent-teal); }
        .nav-link:hover::after, .nav-link.active::after { width: 100%; }
        .menu-toggle { display: none; flex-direction: column; justify-content: space-between; width: 26px; height: 18px; background: transparent; border: none; cursor: pointer; padding: 0; }
        .menu-toggle span { width: 100%; height: 2px; background: #b0c0d4; border-radius: 2px; transition: all 0.3s; }
        .menu-toggle--active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
        .menu-toggle--active span:nth-child(2) { opacity: 0; }
        .menu-toggle--active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

        /* 页面 Hero */
        .compare-hero { text-align: center; padding: 50px 0 30px; }
        .compare-hero h1 { font-size: 2.8rem; font-weight: 800; background: linear-gradient(to right, #f0f6ff, #8899b4); -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: 12px; letter-spacing: -0.5px; }
        .compare-hero p { color: var(--text-secondary); font-size: 1.1rem; max-width: 680px; margin: 0 auto; }

        /* 快速结论卡片 */
        .verdict-section { margin: 30px 0 50px; }
        .verdict-card { background: var(--bg-card); border: 1px solid var(--border-soft); border-radius: var(--radius-xl); padding: 38px 32px; display: flex; flex-wrap: wrap; gap: 32px; align-items: center; backdrop-filter: blur(8px); }
        .verdict-icon { font-size: 3.5rem; flex: 0 0 auto; }
        .verdict-content { flex: 1; }
        .verdict-content h2 { font-size: 1.8rem; font-weight: 700; color: #f0f6ff; margin-bottom: 10px; }
        .verdict-content .highlight-win { color: var(--accent-teal); font-weight: 700; }
        .verdict-content p { color: var(--text-secondary); font-size: 1rem; line-height: 1.65; margin-bottom: 12px; }
        .verdict-tags { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 16px; }
        .verdict-tag { padding: 8px 20px; border-radius: 30px; font-weight: 700; font-size: 0.9rem; }
        .tag-recommend { background: rgba(12,230,181,0.15); color: var(--accent-teal); border: 1px solid var(--accent-teal); }
        .tag-caution { background: rgba(240,165,0,0.12); color: var(--accent-amber); border: 1px solid var(--accent-amber); }

        /* 深度对比卡片网格 */
        .compare-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; margin: 40px 0; }
        .compare-module { background: var(--bg-card); border: 1px solid var(--border-soft); border-radius: var(--radius-lg); padding: 28px 24px; transition: all 0.3s; backdrop-filter: blur(6px); }
        .compare-module:hover { border-color: var(--accent-teal); transform: translateY(-4px); box-shadow: 0 12px 28px rgba(0,0,0,0.5); }
        .module-icon { font-size: 2rem; margin-bottom: 12px; }
        .compare-module h3 { font-size: 1.3rem; font-weight: 700; color: #f0f6ff; margin-bottom: 14px; }
        .compare-bars { margin: 16px 0; }
        .bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; font-size: 0.85rem; }
        .bar-label { width: 60px; font-weight: 600; color: #c0d0e0; }
        .bar-track { flex: 1; height: 10px; background: #1a2535; border-radius: 10px; overflow: hidden; }
        .bar-fill { height: 100%; border-radius: 10px; background: var(--gradient-hero); }
        .bar-fill.cfw { background: linear-gradient(90deg, #f0a500, #f87171); }
        .judgment { font-size: 0.9rem; font-weight: 600; margin-top: 8px; }
        .judgment.win { color: var(--accent-teal); }
        .judgment.lose { color: var(--accent-amber); }

        /* 场景评测卡片 */
        .scene-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; margin: 40px 0; }
        .scene-card { background: var(--bg-card); border: 1px solid var(--border-soft); border-radius: 16px; padding: 24px 20px; text-align: center; transition: all 0.3s; }
        .scene-card:hover { border-color: var(--accent-teal); transform: translateY(-3px); }
        .scene-icon { font-size: 2.4rem; margin-bottom: 10px; }
        .scene-card h4 { font-size: 1.1rem; color: #f0f6ff; margin-bottom: 8px; }
        .scene-card p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }
        .scene-verdict { margin-top: 10px; font-weight: 700; font-size: 0.8rem; }
        .scene-verdict.best { color: var(--accent-teal); }
        .scene-verdict.tie { color: var(--accent-amber); }

        /* 推荐路径 */
        .recommend-flow { background: linear-gradient(160deg, #080f1a 0%, #0c1522 100%); border-radius: var(--radius-xl); padding: 48px 32px; margin: 40px 0; text-align: center; }
        .recommend-flow h3 { font-size: 1.8rem; font-weight: 700; color: #f0f6ff; margin-bottom: 28px; }
        .flow-steps { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 20px; }
        .flow-node { background: var(--bg-card); border: 1px solid var(--border-soft); border-radius: 16px; padding: 20px 18px; min-width: 150px; transition: all 0.3s; }
        .flow-node:hover { border-color: var(--accent-teal); }
        .flow-node strong { display: block; font-size: 1.1rem; color: #fff; margin-bottom: 6px; }
        .flow-node span { font-size: 0.8rem; color: var(--text-secondary); }
        .flow-arrow { font-size: 2rem; color: var(--accent-teal); }

        /* CTA */
        .cta-banner { position: relative; background: linear-gradient(135deg, #0a1620 0%, #110d28 100%); border-radius: var(--radius-xl); margin: 50px 0 36px; overflow: hidden; padding: 56px 0; }
        .cta-content { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 26px; position: relative; z-index: 2; padding: 0 32px; }
        .cta-text h2 { font-size: 1.9rem; color: #fff; margin-bottom: 10px; }
        .cta-text p { color: #c0d0e0; max-width: 500px; font-size: 0.95rem; line-height: 1.6; }
        .cta-buttons { display: flex; gap: 14px; flex-wrap: wrap; }
        .btn-glow { background: var(--gradient-hero); border: none; padding: 14px 36px; border-radius: 50px; font-weight: 700; color: #061018; transition: transform 0.2s, box-shadow 0.3s; font-size: 1.05rem; box-shadow: 0 8px 22px rgba(12, 230, 181, 0.3); display: inline-block; text-align: center; }
        .btn-glow:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(12, 230, 181, 0.5); }
        .btn-ghost-light { background: transparent; border: 1px solid rgba(255,255,255,0.3); padding: 14px 36px; border-radius: 50px; font-weight: 600; color: #fff; transition: all 0.3s; font-size: 1rem; display: inline-block; }
        .btn-ghost-light:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.5); }
        .cta-decoration { position: absolute; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; }
        .cta-dot { position: absolute; border-radius: 50%; opacity: 0.15; filter: blur(35px); }
        .cta-dot-1 { width: 180px; height: 180px; top: -40px; right: -30px; background: var(--accent-teal); }
        .cta-dot-2 { width: 140px; height: 140px; bottom: -25px; left: 8%; background: var(--accent-amber); }
        .cta-dot-3 { width: 90px; height: 90px; top: 45%; left: 58%; background: var(--accent-purple); }

        /* 页脚 */
        footer { background: #030a12; border-top: 1px solid #1a2a3a; padding: 50px 0 24px; margin-top: 36px; }
        .footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 36px; }
        .footer-col h4 { color: #f1f5f9; margin-bottom: 16px; font-size: 0.95rem; font-weight: 700; }
        .footer-col p { color: var(--text-secondary); font-size: 0.82rem; line-height: 1.6; }
        .footer-col a { display: block; color: #8899b4; font-size: 0.85rem; margin-bottom: 7px; transition: color 0.2s; }
        .footer-col a:hover { color: var(--accent-teal); }
        .footer-brand { font-size: 1.3rem; font-weight: 800; background: var(--gradient-hero); -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: 6px; }
        .footer-bottom { text-align: center; padding-top: 36px; color: #4a5568; font-size: 0.75rem; border-top: 1px solid #1a2a3a; margin-top: 32px; }

        @media (max-width: 768px) {
            .container { padding: 0 18px; }
            .nav-menu { display: none; flex-direction: column; width: 100%; background: rgba(6,13,23,0.98); backdrop-filter: blur(20px); margin-top: 14px; padding: 14px 0; gap: 10px; border-radius: 14px; }
            .nav-menu--open { display: flex; }
            .menu-toggle { display: flex; }
            .compare-hero h1 { font-size: 2rem; }
            .verdict-card { flex-direction: column; text-align: center; }
            .flow-steps { flex-direction: column; }
            .flow-arrow { transform: rotate(90deg); }
            .cta-content { flex-direction: column; text-align: center; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 26px; }
        }