:root{--bg: #0b1020;--panel: #121a30;--panel-2: #0e1528;--line: #243049;--text: #e6ebf5;--muted: #9aa7c2;--accent: #8b5cf6;--accent-2: #22d3ee;--good: #34d399;--bad: #fb7185;--wait: #fbbf24;--radius: 14px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(1200px 600px at 80% -10%,#1a2342 0%,var(--bg) 60%);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;line-height:1.55}code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.hero{border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(139,92,246,.12),transparent)}.hero-inner{max-width:880px;margin:0 auto;padding:64px 24px 48px;text-align:center}.logo{font-size:44px}.hero h1{font-size:clamp(32px,5vw,52px);margin:8px 0 4px;background:linear-gradient(90deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:-.02em}.sub{color:var(--muted);max-width:640px;margin:0 auto 16px}.lead{max-width:680px;margin:0 auto 24px;font-size:15px}.hero code,.lead code{background:#ffffff14;padding:1px 6px;border-radius:6px;font-size:.9em}.hero-actions{display:flex;gap:12px;justify-content:center}.btn{border:1px solid var(--line);background:var(--panel);color:var(--text);padding:10px 18px;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;text-decoration:none;transition:transform .1s ease,border-color .2s}.btn:hover{border-color:var(--accent);transform:translateY(-1px)}.btn.primary{background:linear-gradient(90deg,var(--accent),var(--accent-2));border:none;color:#0b1020}.layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:32px;max-width:1180px;margin:0 auto;padding:32px 24px 80px}.nav{position:sticky;top:24px;align-self:start;height:fit-content}.nav-title{text-transform:uppercase;font-size:11px;letter-spacing:.12em;color:var(--muted);margin:0 0 10px 12px}.nav ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}.nav a{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:9px;color:var(--muted);text-decoration:none;font-size:14px;border-left:2px solid transparent}.nav a:hover{background:var(--panel);color:var(--text)}.nav a.on{background:var(--panel);color:var(--text);border-left-color:var(--accent)}.nav-num{font-size:11px;color:var(--accent);font-family:ui-monospace,monospace}.main{display:flex;flex-direction:column;gap:28px;min-width:0}.feature{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;scroll-margin-top:20px}.feature-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:20px}.feature h2{margin:0 0 6px;font-size:22px;letter-spacing:-.01em}.num{color:var(--accent);font-family:ui-monospace,monospace;font-size:18px}.tagline{color:var(--muted);margin:0 0 12px;font-size:14px;max-width:70ch}.prop-row{display:flex;flex-wrap:wrap;gap:6px}.pill{font-size:12px;background:#8b5cf626;color:#c4b5fd;border:1px solid rgba(139,92,246,.3);padding:2px 9px;border-radius:999px}.replay{flex:none;border:1px solid var(--line);background:var(--panel-2);color:var(--text);padding:8px 14px;border-radius:9px;font-size:13px;font-weight:600;cursor:pointer}.replay:hover{border-color:var(--accent)}.demo-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:18px}.pane{background:var(--panel-2);border:1px solid var(--line);border-radius:12px;padding:14px;display:flex;flex-direction:column;gap:10px}.pane-before{border-color:#fb718559}.pane-after{border-color:#34d39959}.pane-head{display:flex;align-items:center;gap:8px}.pane-tag{font-size:11px;font-weight:700;padding:2px 8px;border-radius:6px}.pane-before .pane-tag{background:#fb71852e;color:var(--bad)}.pane-after .pane-tag{background:#34d3992e;color:var(--good)}.pane-title{font-size:13px;color:var(--muted)}.pane-body{position:relative}.pane img,.pane-body img,.pane span[role=img],.pane-body>span{border-radius:8px;background:#0a0f1f;max-width:100%}.pane img{display:block;object-fit:cover}.pane-note{font-size:12px;color:var(--muted)}.pane-note strong{color:var(--text)}.status-row{min-height:24px}.badge{display:inline-block;font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;border:1px solid var(--line)}.badge-neutral{color:var(--muted)}.badge-good{color:var(--good);border-color:#34d39966;background:#34d3991a}.badge-bad{color:var(--bad);border-color:#fb718566;background:#fb71851a}.badge-wait{color:var(--wait);border-color:#fbbf2466;background:#fbbf241a}.scrollbox{height:200px;overflow:auto;border:1px dashed var(--line);border-radius:8px;padding:10px;position:relative}.scroll-hint{position:sticky;top:0;font-size:11px;color:var(--wait);text-align:center;padding-bottom:6px}.scroll-spacer{height:360px}.code{background:#060a16;border:1px solid var(--line);border-radius:10px;padding:14px 16px;overflow-x:auto;font-size:13px;margin:0;color:#c5d1ee}.code-sm{font-size:11px;margin-top:8px;white-space:pre-wrap;word-break:break-all;color:var(--accent-2)}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.metrics div{background:#060a16;border:1px solid var(--line);border-radius:8px;padding:8px 10px;text-align:center}.metrics span{display:block;font-size:11px;color:var(--muted)}.metrics strong{font-size:14px;color:var(--accent-2)}.check{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px;cursor:pointer}.btn-row{display:flex;flex-wrap:wrap;gap:6px}.btn-row button{font-size:12px;border:1px solid var(--line);background:var(--panel);color:var(--text);padding:6px 10px;border-radius:8px;cursor:pointer}.btn-row button:hover{border-color:var(--accent)}.cache-msg{font-size:12px;color:var(--accent-2);margin:2px 0 0;min-height:18px}.foot{text-align:center;color:var(--muted);font-size:13px;padding-top:12px}.foot code{background:#ffffff0f;padding:1px 6px;border-radius:5px}@media (max-width: 860px){.layout{grid-template-columns:1fr}.nav{position:static;overflow-x:auto}.nav ul{flex-direction:row;flex-wrap:wrap}.demo-grid{grid-template-columns:1fr}}