:root{--bg:#11131a;--bg2:#171a24;--panel:#1d2130;--panel2:#222740;--line:#2c3142;--ink:#e6e9f2;--muted:#8b93a7;--gold:#e8a13b;--gold-soft:rgba(232,161,59,0.16);--navy:#4a78c8;--green:#4caf72;--pink:#e85aa0;--blue:#5aa0ff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(1200px 600px at 50% -10%,#1b2030 0,rgba(27,32,48,0) 60%),var(--bg);color:var(--ink);font-family:-apple-system,Hiragino Sans,Helvetica Neue,system-ui,sans-serif;-webkit-font-smoothing:antialiased;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}img,video{display:block;max-width:100%}.wrap{width:100%;max-width:1080px;margin:0 auto;padding:0 24px}.nav{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:rgba(17,19,26,.78);-webkit-backdrop-filter:saturate(140%) blur(10px);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line)}.nav-inner{gap:14px;height:60px}.brand,.nav-inner{display:flex;align-items:center}.brand{gap:10px;font-family:ui-monospace,SF Mono,Menlo,monospace;font-weight:700;letter-spacing:2px;font-size:14px}.brand img{width:28px;height:28px;border-radius:7px}.nav-spacer{margin-left:auto}.nav-links{display:flex;align-items:center;gap:10px}.lang-toggle{display:inline-flex;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:9px;padding:2px;gap:2px}.lang-toggle button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;color:var(--muted);font:inherit;font-size:12.5px;font-weight:700;padding:5px 10px;border-radius:7px;cursor:pointer;transition:background .15s,color .15s;white-space:nowrap}.lang-toggle button:hover{color:var(--ink)}.lang-toggle button.on{background:var(--gold-soft);color:var(--gold)}.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:14px;padding:11px 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h2{font-size:clamp(24px,4vw,34px);margin:0;letter-spacing:-.3px}.section-head p{color:var(--muted);margin:12px auto 0;max-width:560px}.features{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:16px;gap:16px}.feature{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px 20px;transition:transform .14s ease,border-color .18s}.feature:hover{transform:translateY(-3px);border-color:#3d4564}.feature .ico{font-size:26px;line-height:1}.feature h3{margin:14px 0 6px;font-size:16px}.feature p{margin:0;color:var(--muted);font-size:13.5px}.states{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:14px;gap:14px;margin-top:8px}.state{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px}.chip{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;padding:3px 10px;border-radius:999px;border:1px solid var(--line)}.chip:before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor;box-shadow:0 0 8px currentColor}.chip.working{color:var(--green)}.chip.thinking{color:var(--blue)}.chip.waiting{color:var(--gold)}.chip.idle,.state p{color:var(--muted)}.state p{margin:12px 0 0;font-size:13px}.how{display:grid;grid-template-columns:1fr 1fr;grid-gap:28px;gap:28px;align-items:center}.how-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:26px}.how-card h3{margin:0 0 10px;font-size:18px}.how-card p{margin:0 0 14px}.how ul,.how-card p{color:var(--muted);font-size:14px}.how ul{margin:0;padding-left:18px}.how ul li{margin:8px 0}.how ul li b{color:var(--ink);font-weight:700}.code{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:12.5px;color:#b9c2d8;background:#0e1018;border:1px solid var(--line);border-radius:12px;padding:18px;overflow-x:auto;line-height:1.8}.code .c{color:var(--muted)}.code 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(max-width:860px){.features,.states{grid-template-columns:repeat(2,1fr)}.how{grid-template-columns:1fr}.nav .nav-links .hide-sm{display:none}}@media (max-width:520px){.features{grid-template-columns:1fr}.nav .brand span{display:none}.nav-inner{gap:10px}.nav-links{gap:8px}.nav-links .btn-sm{padding:7px 11px}}