:root{--bg:#071016;--panel:#0d1822;--panel2:#122433;--text:#e7f3f5;--muted:#93a8b7;--line:#203846;--accent:#24d6c8;--accent2:#6aa7ff;--warn:#f4bf5f;--danger:#ff6b7a;--ok:#77e37b;--code:#050a10;--shadow:0 18px 48px rgba(0,0,0,.34);color-scheme:dark}
*{box-sizing:border-box}html{max-width:100%;overflow-x:hidden;scroll-behavior:smooth}body{margin:0;max-width:100%;overflow-x:hidden;background:linear-gradient(rgba(36,214,200,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(106,167,255,.035) 1px,transparent 1px),var(--bg);background-size:32px 32px;color:var(--text);font:15px/1.65 ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans SC","Microsoft YaHei",sans-serif}a{color:var(--accent2);text-decoration:none}a:hover{text-decoration:underline}
.topbar{height:58px;display:flex;align-items:center;gap:20px;padding:0 24px;background:rgba(7,16,22,.92);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:2;backdrop-filter:blur(12px)}.brand{font-weight:800;color:var(--text)}#search{margin-left:auto;width:min(360px,40vw);padding:9px 12px;border:1px solid var(--line);border-radius:8px;background:#0b1722;color:var(--text)}
.shell{display:grid;grid-template-columns:270px minmax(0,1fr);gap:0;max-width:1480px;margin:0 auto}.sidebar{padding:22px 18px;border-right:1px solid var(--line);min-height:calc(100vh - 58px);position:sticky;top:58px;align-self:start;background:rgba(8,19,29,.72)}.nav-block{display:grid;gap:4px;margin-bottom:22px}.nav-block p{margin:8px 8px;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.08em}.nav-block a{display:flex;justify-content:space-between;gap:8px;padding:7px 9px;border-radius:7px;color:#b7c8d3}.nav-block a.active,.nav-block a:hover{background:rgba(36,214,200,.14);color:var(--text);text-decoration:none}
main{min-width:0;padding:30px 42px 70px}.hero{padding:34px 0 26px;border-bottom:1px solid var(--line);margin-bottom:26px}.hero.small{padding-top:10px}.hero h1{font-size:38px;line-height:1.12;margin:0 0 12px}.hero p{max-width:900px;color:var(--muted);font-size:17px}.eyebrow{color:var(--accent);font-weight:800;letter-spacing:.04em;text-transform:uppercase}.badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.badges span{padding:4px 9px;border:1px solid var(--line);border-radius:999px;background:#0b1722;color:#b7c8d3;font-size:13px}
section{margin:0 0 32px}h2{font-size:24px;margin:0 0 12px}h3{font-size:18px;margin:24px 0 10px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}.card{display:grid;gap:8px;padding:18px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--text)}.card span{color:var(--muted)}.card em{font-style:normal;color:var(--accent)}
table{display:block;width:100%;max-width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--line);overflow-x:auto}th,td{border-bottom:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top;word-break:break-word}th{background:#101f2c}code{border-radius:5px;background:rgba(106,167,255,.12);color:#dceff2;padding:1px 5px}.code{margin:12px 0;border:1px solid var(--line);border-radius:8px;background:var(--code);color:#e5eefb;overflow:hidden;box-shadow:var(--shadow)}.code figcaption{padding:9px 12px;background:#101f2c;color:#cbd5e1;font-size:13px}.code pre{margin:0;padding:16px;overflow:auto}.code code{display:block;min-width:max-content;background:transparent;padding:0;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px}
.io-grid,.print-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px}.terminal{margin:10px 0;border:1px solid var(--line);border-radius:8px;background:#050a10;color:#e8eef7;overflow:hidden}.terminal figcaption{padding:9px 12px;background:#101f2c;color:#cbd5e1;font-size:13px}.terminal pre{margin:0;padding:14px;overflow:auto;white-space:pre;font:13px/1.45 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.muted{color:var(--muted);margin-top:-4px}.code-details{border:1px solid var(--line);border-radius:8px;background:var(--panel);padding:12px}.code-details summary{cursor:pointer;font-weight:700}.code-details .code{margin-top:12px}.note{padding:12px 14px;border-radius:8px;background:rgba(36,214,200,.12);border:1px solid rgba(36,214,200,.36)}.note.warn{background:rgba(244,191,95,.12);border-color:rgba(244,191,95,.4);color:#f6d48f}.note.ok{background:rgba(106,167,255,.12);border-color:rgba(106,167,255,.38)}.op-list{list-style:none;padding:0;margin:0;display:grid;gap:8px}.op-list li{display:grid;grid-template-columns:220px 1fr;gap:14px;padding:12px;border:1px solid var(--line);border-radius:8px;background:var(--panel)}.op-list span{color:var(--muted)}
details{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:12px}details pre{white-space:pre-wrap;overflow:auto}.hero.quant-hero{position:relative;margin-bottom:30px;padding:34px;border:1px solid rgba(36,214,200,.34);border-radius:8px;background:linear-gradient(135deg,rgba(36,214,200,.14),rgba(106,167,255,.08)),#08131d;box-shadow:var(--shadow)}.hero.quant-hero:after{content:"";position:absolute;inset:auto 0 0;height:2px;background:linear-gradient(90deg,var(--accent),var(--accent2),var(--warn))}.hero.quant-hero h1{font-size:clamp(40px,6vw,68px);max-width:900px}.metric-strip,.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.metric-card{min-width:150px;padding:12px 14px;border:1px solid var(--line);border-radius:8px;background:rgba(13,24,34,.86)}.metric-card strong{display:block;color:var(--accent);font-size:21px;line-height:1.1}.metric-card span{display:block;margin-top:6px;color:var(--muted);font-size:12px}.hero-action{display:inline-flex;align-items:center;min-height:36px;padding:6px 12px;border:1px solid var(--line);border-radius:6px;background:rgba(13,24,34,.86);color:var(--text);font-weight:700}.hero-action.primary{border-color:var(--accent);color:var(--accent);box-shadow:inset 0 0 16px rgba(36,214,200,.14)}.feature-matrix{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.feature-tile,.operator-stage{min-width:0;padding:16px;border:1px solid var(--line);border-radius:8px;background:var(--panel)}.feature-tile h3{margin-top:0;color:var(--accent)}.feature-tile p,.operator-stage p{color:var(--muted)}.figure-frame{margin:20px 0;overflow:hidden;border:1px solid var(--line);border-radius:8px;background:#050a10;box-shadow:var(--shadow)}.figure-frame img{display:block;width:100%;height:auto}.figure-caption{margin:0;padding:10px 14px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}.operator-flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:16px 0}.operator-stage:before{content:attr(data-step);display:inline-grid;place-items:center;width:26px;height:26px;margin-bottom:10px;border:1px solid var(--accent);border-radius:50%;color:var(--accent);font-size:12px;font-weight:800}.operator-stage h3{margin:0 0 8px;font-size:16px}.formula-strip{margin:16px 0;padding:14px 16px;border:1px solid var(--line);border-radius:8px;background:#050a10;color:#dceff2;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;overflow-x:auto}
@media(max-width:1100px){.io-grid,.print-grid,.feature-matrix,.operator-flow{grid-template-columns:1fr 1fr}}@media(max-width:900px){.shell{grid-template-columns:1fr}.sidebar{position:static;min-height:auto;border-right:0;border-bottom:1px solid var(--line)}main{padding:24px 18px}.op-list li,.feature-matrix,.operator-flow{grid-template-columns:1fr}.hero h1{font-size:30px}.hero.quant-hero{padding:24px}#search{width:45vw}}