:root{--ink:#202225;--muted:#6f747b;--paper:#f7f7f4;--panel:#fff;--line:#e3e4df;--accent:#d97745;--accent-soft:#fff0e7;--code:#1f2529;--shadow:0 18px 48px rgba(32,34,37,.08);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);line-height:1.75}.top{height:68px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.86);display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,5vw,80px);position:sticky;top:0;z-index:2;backdrop-filter:blur(14px)}.brand{color:var(--ink);text-decoration:none;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:700;letter-spacing:-.04em}.brand span{color:var(--accent);padding:0 2px}.upstream{color:var(--muted);font-size:.86rem;text-decoration:none}.shell{max-width:1440px;margin:0 auto;display:grid;grid-template-columns:280px minmax(0,820px);gap:64px;padding:52px clamp(20px,5vw,80px)}aside{position:sticky;top:108px;align-self:start}aside .eyebrow,.crumb{font:600 .7rem/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.12em;color:var(--accent);text-transform:uppercase}aside h2{font-size:1.1rem;margin:16px 0 18px}nav{display:grid;gap:2px}nav a{display:flex;gap:10px;color:var(--muted);text-decoration:none;padding:7px 8px;border-radius:7px;font-size:.89rem;line-height:1.35}nav a span{font:600 .72rem/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;color:#a5a8a7}nav a:hover,nav a[aria-current=page]{color:var(--ink);background:var(--accent-soft)}nav a[aria-current=page] span{color:var(--accent)}.download{display:inline-block;margin-top:28px;color:var(--accent);font-size:.85rem;text-decoration:none;border-bottom:1px solid #efc5ac}main{min-width:0}.crumb{margin-bottom:22px;color:var(--muted)}h1{font-size:clamp(2.2rem,4vw,4.2rem);line-height:1.08;letter-spacing:-.065em;margin:0 0 32px;max-width:760px}h2{margin-top:54px;font-size:1.55rem;line-height:1.25;letter-spacing:-.03em}h3{margin-top:34px;font-size:1.1rem}p,li{font-size:1rem}a{color:#a8502c}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#ecece7;padding:.12em .34em;border-radius:4px;font-size:.88em}pre{background:var(--code);color:#eaf1ed;padding:20px;overflow:auto;border-radius:10px;box-shadow:var(--shadow);font:13px/1.65 ui-monospace,SFMono-Regular,Menlo,monospace}pre code{background:none;padding:0;color:inherit}.mermaid{background:#fff;border:1px solid var(--line);color:var(--ink);text-align:center;box-shadow:none}blockquote{border-left:3px solid var(--accent);margin:28px 0;padding:12px 20px;background:var(--accent-soft);color:#6e3e2b}ul,ol{padding-left:1.5rem}li{margin:.45rem 0}table{border-collapse:collapse;width:100%;margin:24px 0;background:var(--panel);font-size:.92rem}td{border:1px solid var(--line);padding:9px 12px;vertical-align:top}tr:first-child td{font-weight:650;background:#f0f1ed}hr{border:0;border-top:1px solid var(--line);margin:46px 0}footer{border-top:1px solid var(--line);margin-top:72px;padding:24px 0;display:flex;justify-content:space-between;font-size:.9rem}footer a{text-decoration:none}@media(max-width:900px){.shell{display:block;padding-top:30px}aside{position:static;margin-bottom:36px}nav{display:flex;flex-wrap:wrap}nav a{font-size:.8rem}.download{margin-top:14px}h1{font-size:2.5rem}}@media(prefers-color-scheme:dark){:root{--ink:#f1f1ec;--muted:#a8aaa5;--paper:#161817;--panel:#202321;--line:#343735;--accent:#f09a68;--accent-soft:#35251d;--code:#0c0e0d}table{background:var(--panel)}tr:first-child td{background:#2a2d2a}.top{background:rgba(23,25,24,.86)}.mermaid{background:#232624;color:#202225}}