:root{--bg: #fbfbfd;--bg-soft: #ffffff;--bg-elevated: #ffffff;--border: #e7e7ef;--text: #16161d;--text-soft: #5b5b6b;--text-faint: #8a8a9a;--brand: #6d5efc;--brand-2: #b14bff;--brand-soft: rgba(109, 94, 252, .1);--accent: #00c2a8;--danger: #ff5470;--code-bg: #f3f3fb;--shadow: 0 1px 2px rgba(20, 20, 40, .04), 0 12px 32px rgba(20, 20, 40, .06);--radius: 16px;--radius-sm: 10px;--maxw: 1080px;color-scheme:light}.dark{--bg: #0c0c12;--bg-soft: #131320;--bg-elevated: #16162a;--border: #26263a;--text: #f2f2f7;--text-soft: #b8b8c8;--text-faint: #7a7a90;--brand: #8b7dff;--brand-2: #c47bff;--brand-soft: rgba(139, 125, 255, .16);--accent: #2ee6c8;--danger: #ff6b85;--code-bg: #1c1c30;--shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 18px 48px rgba(0, 0, 0, .4);color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased;transition:background .3s ease,color .3s ease}code,.mono{font-family:JetBrains Mono,SF Mono,Fira Code,ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}.topbar{position:sticky;top:0;z-index:50;-webkit-backdrop-filter:saturate(180%) blur(14px);backdrop-filter:saturate(180%) blur(14px);background:color-mix(in srgb,var(--bg) 80%,transparent);border-bottom:1px solid var(--border)}.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:64px}.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:-.02em}.logo-mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center;color:#fff;font-size:17px;box-shadow:0 6px 18px var(--brand-soft)}.topbar-actions{display:flex;align-items:center;gap:8px}.btn{border:1px solid var(--border);background:var(--bg-soft);color:var(--text);padding:8px 14px;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;transition:transform .08s ease,border-color .15s ease,background .15s ease;display:inline-flex;align-items:center;gap:7px}.btn:hover{border-color:var(--brand)}.btn:active{transform:translateY(1px)}.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));border:none;color:#fff}.btn-ghost{background:transparent}.icon-btn{width:40px;height:40px;padding:0;justify-content:center;font-size:17px}.hero{position:relative;text-align:center;padding:88px 0 56px;overflow:hidden}.hero:before{content:"";position:absolute;inset:-40% 0 auto 0;height:600px;background:radial-gradient(600px 300px at 50% 0%,var(--brand-soft),transparent 70%);pointer-events:none}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border:1px solid var(--border);border-radius:999px;font-size:13px;color:var(--text-soft);background:var(--bg-soft);margin-bottom:22px}.hero-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 25%,transparent)}.hero h1{font-size:clamp(40px,7vw,68px);line-height:1.05;letter-spacing:-.04em;margin:0 0 18px;font-weight:850}.gradient-text{background:linear-gradient(120deg,var(--brand),var(--brand-2) 70%,var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{font-size:clamp(17px,2.4vw,21px);color:var(--text-soft);max-width:620px;margin:0 auto 30px}.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.install{display:inline-flex;align-items:center;gap:12px;background:var(--code-bg);border:1px solid var(--border);border-radius:12px;padding:10px 16px;font-size:15px}.install .prompt{color:var(--brand)}.copy-pill{font-size:12px;color:var(--text-faint);cursor:pointer;border:none;background:transparent}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:48px 0}.stat{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);padding:22px;text-align:center}.stat-num{font-size:30px;font-weight:800;letter-spacing:-.02em;background:linear-gradient(120deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}.stat-label{color:var(--text-soft);font-size:14px}.section-head{text-align:center;margin:64px 0 32px}.section-head h2{font-size:clamp(28px,4vw,38px);letter-spacing:-.03em;margin:0 0 10px}.section-head p{color:var(--text-soft);margin:0}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px}.card{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px;transition:transform .18s ease,border-color .18s ease}.card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--brand) 45%,var(--border))}.card-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px}.card-title{font-weight:700;font-size:16px}.card-title code{color:var(--brand)}.tag{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--text-faint);background:var(--code-bg);border-radius:6px;padding:3px 8px;white-space:nowrap}.card-desc{font-size:14px;color:var(--text-soft);margin:0}.demo-stage{background:var(--code-bg);border-radius:var(--radius-sm);padding:18px;display:flex;flex-direction:column;gap:12px;min-height:76px;justify-content:center}.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.value-pill{font-family:JetBrains Mono,ui-monospace,monospace;background:var(--bg-elevated);border:1px solid var(--border);border-radius:8px;padding:5px 10px;font-size:13px}.big-value{font-size:28px;font-weight:800;font-variant-numeric:tabular-nums}input.text{flex:1;min-width:120px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:8px;padding:8px 12px;color:var(--text);font-size:14px;outline:none}input.text:focus{border-color:var(--brand)}.muted{color:var(--text-faint);font-size:13px}.kbd{font-family:JetBrains Mono,ui-monospace,monospace;background:var(--bg-elevated);border:1px solid var(--border);border-bottom-width:2px;border-radius:6px;padding:2px 7px;font-size:12px}.dot-status{width:9px;height:9px;border-radius:50%;display:inline-block}.swatch{flex:1;height:26px;border-radius:6px}.footer{border-top:1px solid var(--border);margin-top:80px;padding:40px 0;text-align:center;color:var(--text-faint);font-size:14px}@media (max-width: 720px){.stats{grid-template-columns:repeat(2,1fr)}}.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}.reveal.visible{opacity:1;transform:none}