:root{--bg:#f8f9fb;--surface:#fff;--surface-muted:#f1f3f7;--text:#1a1d23;--text-muted:#5f6571;--border:#e4e7ec;--brand:#4b3fe3;--brand-soft:#f0f0ff;--brand-text:#1a1759;--success:#1dc981;--warning:#efaa17;--danger:#e8463a;--radius:10px;--radius-card:16px;--radius-full:999px;--font-sans:"SF Pro Text","PingFang SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:880px;margin:0 auto;padding:0 20px}.site-header{border-bottom:1px solid var(--border);background:var(--surface);position:-webkit-sticky;position:sticky;top:0;z-index:100}.site-header-inner{justify-content:space-between;height:56px;max-width:880px;margin:0 auto;padding:0 20px}.logo,.site-header-inner{display:flex;align-items:center}.logo{font-size:17px;font-weight:700;color:var(--text);text-decoration:none;gap:8px}.logo-dot{width:10px;height:10px;border-radius:var(--radius-full);background:var(--brand)}.nav-tools{display:flex;gap:6px;align-items:center;overflow-x:auto;scrollbar-width:none}.nav-tools::-webkit-scrollbar{display:none}.nav-link{font-size:13px;color:var(--text-muted);padding:6px 12px;border-radius:var(--radius-full);white-space:nowrap;text-decoration:none;transition:all .15s}.nav-link:hover{background:var(--surface-muted);color:var(--text);text-decoration:none}.nav-link.active{background:var(--brand-soft);color:var(--brand);font-weight:500}.nav-soon{font-size:10px;color:var(--text-muted);background:var(--surface-muted);padding:2px 6px;margin-left:4px}.nav-soon,.privacy-badge{border-radius:var(--radius-full)}.privacy-badge{display:inline-flex;align-items:center;gap:6px;background:#e9f9f0;color:#0a7c4a;font-size:13px;font-weight:500;padding:6px 14px;border:1px solid #c3ecd6}.privacy-badge svg{flex-shrink:0}.site-footer{border-top:1px solid var(--border);background:var(--surface);margin-top:80px;padding:32px 0;text-align:center;font-size:13px}.site-footer,.site-footer a{color:var(--text-muted)}