:root{
            --brand-primary:#2563EB;
            --brand-primary-hover:#1D4ED8;
            --brand-cyan:#06B6D4;
            --brand-violet:#7C3AED;
            --brand-deep:#0B1220;
            --brand-navy:#0F2A4A;
            --bg-page:#F8FAFC;
            --bg-card:#FFFFFF;
            --bg-muted:#F1F5F9;
            --border:#E2E8F0;
            --text-primary:#0F172A;
            --text-secondary:#475569;
            --text-muted:#64748B;
            --success:#10B981;
            --warning:#F59E0B;
            --danger:#EF4444;
            --info:#0EA5E9;
            --radius-btn:12px;
            --radius-card:16px;
            --radius-section:24px;
            --shadow-card:0 8px 24px rgba(15,23,42,.08);
            --shadow-hover:0 16px 40px rgba(15,23,42,.14);
            --container:1200px;
            --header-h:72px;
        }

        *,*::before,*::after{box-sizing:border-box}
        html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:96px}
        body{
            margin:0;
            font-family:"Inter","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
            font-size:16px;
            line-height:1.75;
            color:var(--text-primary);
            background:var(--bg-page);
            -webkit-font-smoothing:antialiased;
        }
        h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em}
        p{margin:0}
        ul,ol{margin:0;padding:0;list-style:none}
        img{max-width:100%;display:block}
        a{color:var(--brand-primary);text-decoration:none;transition:color .2s}
        a:hover{color:var(--brand-primary-hover)}
        button{font-family:inherit}
        :focus-visible{outline:2px solid var(--brand-primary);outline-offset:3px;border-radius:6px}

        .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
        
        .btn{
            display:inline-flex;align-items:center;justify-content:center;gap:10px;
            height:52px;padding:0 28px;border:1px solid transparent;border-radius:var(--radius-btn);
            font-size:16px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;
            transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
        }
        .btn i{font-size:15px}
        .btn-primary{background:var(--brand-primary);color:#fff;box-shadow:0 6px 18px rgba(37,99,235,.24)}
        .btn-primary:hover{background:var(--brand-primary-hover);color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(37,99,235,.32)}
        .btn-sm{height:44px;padding:0 20px;font-size:14px}

        .site-header{
            position:fixed;inset:0 0 auto 0;z-index:100;height:var(--header-h);
            transition:background .28s ease,box-shadow .28s ease,border-color .28s ease;
            border-bottom:1px solid transparent;
        }
        .header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;gap:24px}
        .brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:#fff;letter-spacing:.01em}
        .brand:hover{color:#fff}
        .brand-mark{
            width:34px;height:34px;border-radius:8px;object-fit:contain;
            background:rgba(255,255,255,.12);
            box-shadow:0 6px 16px rgba(6,182,212,.28);
        }
        .nav{display:flex;align-items:center;gap:4px}
        .nav a{
            display:inline-block;padding:8px 14px;border-radius:10px;
            color:rgba(255,255,255,.82);font-size:15px;font-weight:500;transition:.2s;
        }
        .nav a:hover{color:#fff;background:rgba(255,255,255,.1)}
        .header-actions{display:flex;align-items:center;gap:12px}
        .header-actions .btn-sm{box-shadow:0 6px 16px rgba(37,99,235,.35)}
        .nav-toggle{
            display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.24);
            background:rgba(255,255,255,.08);color:#fff;font-size:18px;cursor:pointer;
        }
        .site-header.scrolled{
            background:rgba(255,255,255,.94);backdrop-filter:saturate(180%) blur(12px);
            border-bottom-color:var(--border);box-shadow:0 4px 20px rgba(15,23,42,.06);
        }
        .site-header.scrolled .brand{color:var(--text-primary)}
        .site-header.scrolled .nav a{color:var(--text-secondary)}
        .site-header.scrolled .nav a:hover{color:var(--brand-primary);background:#EFF6FF}
        .site-header.scrolled .nav-toggle{color:var(--text-primary);border-color:var(--border);background:#fff}
        .site-header.scrolled .brand-mark{background:rgba(37,99,235,.08)}

        .support-fab{
            position:fixed;right:24px;bottom:24px;z-index:90;
            display:inline-flex;align-items:center;gap:10px;height:54px;padding:0 20px;
            border-radius:999px;background:var(--brand-deep);color:#fff;font-size:15px;font-weight:600;
            box-shadow:0 12px 32px rgba(11,18,32,.32);transition:.2s;
        }
        .support-fab:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 40px rgba(11,18,32,.4)}
        .support-fab .dot{width:9px;height:9px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px rgba(16,185,129,.22)}

        .site-footer{background:var(--brand-deep);color:rgba(255,255,255,.68);padding:72px 0 32px;font-size:14px}
        .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:48px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.1)}
        .footer-brand .brand{color:#fff;margin-bottom:16px}
        .footer-brand p{max-width:320px;color:rgba(255,255,255,.6);line-height:1.9}
        .footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.04em}
        .footer-col li{margin-bottom:11px}
        .footer-col a{color:rgba(255,255,255,.66)}
        .footer-col a:hover{color:#fff}
        .footer-bottom{padding-top:28px;display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;color:rgba(255,255,255,.45);font-size:13px}
        .footer-bottom p{max-width:720px}

        @media (max-width:1024px){
            .nav{display:none}
            .nav-toggle{display:grid;place-items:center}
            .header-actions .btn-sm{display:none}
            .nav.open{
                display:flex;flex-direction:column;align-items:stretch;gap:4px;
                position:absolute;top:var(--header-h);left:16px;right:16px;
                background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
                padding:12px;box-shadow:var(--shadow-hover);
            }
            .nav.open a{color:var(--text-secondary);padding:12px 16px}
            .nav.open a:hover{background:#EFF6FF;color:var(--brand-primary)}
        }
        @media (max-width:768px){
            .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
            .footer-brand{grid-column:1/-1}
            .support-fab{right:16px;bottom:16px;height:48px;padding:0 16px;font-size:14px}
        }
        @media (max-width:480px){
            .footer-grid{grid-template-columns:1fr}
        }
        @media (prefers-reduced-motion:reduce){
            *{animation:none !important;transition:none !important}
            html{scroll-behavior:auto}
        }

.page-legal .legal-hero{
            position:relative;overflow:hidden;
            padding: calc(var(--header-h) + 64px) 0 48px;
            background:
                radial-gradient(900px 520px at 82% 8%,rgba(6,182,212,.24),transparent 62%),
                linear-gradient(135deg,#0B1220 0%,#0F2A4A 60%,#1E3A8A 100%);
            color:#fff;
            text-align: center;
            border-bottom: 1px solid var(--border);
        }
        .page-legal .legal-hero::after{
            content:"";position:absolute;inset:0;pointer-events:none;
            background-image:radial-gradient(rgba(255,255,255,.1) 1px,transparent 1px);
            background-size:32px 32px;opacity:.4;
        }
        .page-legal .legal-hero .container{ position: relative; z-index: 1; max-width: 900px; }
        .page-legal .legal-hero h1{ font-size: clamp(32px, 4vw, 42px); margin-bottom: 16px; color: #fff; }
        .page-legal .legal-hero p{ font-size: 15px; color: rgba(255,255,255,.7); }

        .page-legal .legal-body{
            display: grid; grid-template-columns: 240px 1fr; gap: 64px;
            padding: 64px 0; align-items: start;
        }

        .page-legal .toc-sidebar{
            position: sticky; top: 96px; background: var(--bg-card);
            border: 1px solid var(--border); border-radius: var(--radius-card);
            padding: 24px; font-size: 14px;
        }
        .page-legal .toc-sidebar h3{ font-size: 15px; margin-bottom: 16px; color: var(--text-primary); padding-bottom: 12px; border-bottom: 1px solid var(--border); }
        .page-legal .toc-list li{ margin-bottom: 10px; }
        .page-legal .toc-list a{ color: var(--text-secondary); display: block; line-height: 1.5; transition: 0.2s; border-left: 2px solid transparent; padding-left: 12px; margin-left: -12px; }
        .page-legal .toc-list a:hover, .page-legal .toc-list a.active{ color: var(--brand-primary); border-left-color: var(--brand-primary); font-weight: 500; }

        .page-legal .main-content{
            max-width: 900px; background: var(--bg-card); padding: 48px;
            border-radius: var(--radius-section); border: 1px solid var(--border);
            box-shadow: var(--shadow-card); font-size: 15.5px; line-height: 1.85; color: var(--text-secondary);
        }
        
        .page-legal .main-content h2{ font-size: 22px; color: var(--text-primary); margin: 40px 0 16px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
        .page-legal .main-content h2:first-child{ margin-top: 0; }
        .page-legal .main-content p{ margin-bottom: 16px; }
        .page-legal .main-content strong{ color: var(--text-primary); font-weight: 600; }
        .page-legal .main-content a{ text-decoration: underline; }
        
        .page-legal .main-content ul{ margin-bottom: 16px; padding-left: 20px; list-style-type: disc; }
        .page-legal .main-content ul li{ margin-bottom: 8px; }
        .page-legal .main-content ul li::marker{ color: var(--brand-primary); }

        .page-legal .main-content blockquote{
            background: var(--bg-muted); border-left: 4px solid var(--brand-primary);
            padding: 16px 24px; margin: 0 0 32px 0; font-size: 15px; color: var(--text-primary);
            border-radius: 0 8px 8px 0;
        }

        .page-legal .main-content table{
            width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14px;
        }
        .page-legal .main-content table th, 
        .page-legal .main-content table td{
            padding: 12px 16px; border: 1px solid var(--border); text-align: left;
        }
        .page-legal .main-content table th{ background: var(--bg-muted); font-weight: 600; color: var(--text-primary); }

        @media (max-width: 1024px) {
            .page-legal .legal-body { grid-template-columns: 1fr; gap: 32px; }
            .page-legal .toc-sidebar { position: static; display: none; }
            .page-legal .main-content { padding: 32px; font-size: 15px; }
        }
        @media (max-width: 600px) {
            .page-legal .main-content { padding: 24px 20px; }
            .page-legal .main-content table { display: block; overflow-x: auto; white-space: nowrap; }
            .page-legal .legal-hero h1 { font-size: 28px; }
        }