:root{--bg: #f7f7f4;--bg-soft: #eeeeea;--card: #ffffff;--ink: #17191c;--muted: #585d64;--line: #e0e0d9;--line-strong: #cfcfc7;--accent: #1f7a4d;--accent-deep: #16603b;--accent-wash: #edf3ef;--warn: #a86a1e;--warn-wash: #f7efe2;--radius: 10px;--radius-sm: 6px;--shadow: 0 1px 1px rgba(23, 25, 28, .04);--shadow-lift: 0 1px 2px rgba(23, 25, 28, .05), 0 6px 18px rgba(23, 25, 28, .05);--wrap: 1040px;--font: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Menlo, Consolas, monospace}@media(prefers-color-scheme:dark){:root{--bg: #121316;--bg-soft: #191b1f;--card: #1a1c20;--ink: #eceef1;--muted: #9aa0a8;--line: #2a2d33;--line-strong: #3a3e45;--accent: #4fae7d;--accent-deep: #6cc494;--accent-wash: #17251d;--warn: #d69a4e;--warn-wash: #2a2114;--shadow: 0 1px 1px rgba(0, 0, 0, .3);--shadow-lift: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 22px rgba(0, 0, 0, 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li{margin:.35rem 0}.prose li::marker{color:var(--accent)}.prose strong{font-weight:700}.prose a{text-decoration:underline;text-underline-offset:2px}.prose code{font-family:var(--mono);font-size:.88em;background:var(--bg-soft);border:1px solid var(--line);padding:.1em .38em;border-radius:5px}.prose pre{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px;overflow-x:auto}.prose pre code{background:none;border:none;padding:0}.prose blockquote{margin:1.2rem 0;padding:.3rem 0 .3rem 18px;border-left:3px solid var(--accent);color:var(--muted)}.prose img{max-width:100%;height:auto;border-radius:var(--radius-sm);border:1px solid var(--line)}.prose hr{border:none;border-top:1px solid var(--line);margin:2.4rem 0}.prose table{width:100%;border-collapse:collapse;margin:1.2rem 0;font-size:.95rem;display:block;overflow-x:auto}.prose th,.prose td{text-align:left;padding:8px 12px;border-bottom:1px solid var(--line)}.prose th{font-weight:700}.prose .katex-display{overflow-x:auto;overflow-y:hidden;padding:.4rem 0}.doc{display:grid;grid-template-columns:232px 1fr;gap:44px;align-items:start;padding:clamp(28px,5vw,48px) 0}.doc-side{position:sticky;top:80px;align-self:start}.doc-side h4{font-size:.74rem;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);margin:0 0 12px}.doc-side ul{list-style:none;margin:0 0 24px;padding:0;display:flex;flex-direction:column;gap:2px}.doc-side a{display:block;padding:6px 10px;border-radius:var(--radius-sm);color:var(--muted);font-weight:550;font-size:.92rem}.doc-side a:hover{color:var(--ink);background:var(--bg-soft);text-decoration:none}.doc-side a.active{color:var(--accent-deep);background:var(--accent-wash);font-weight:650}.doc-lang{display:inline-flex;margin-bottom:18px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);overflow:hidden}.doc-lang a{padding:4px 12px;font-size:.8rem;font-weight:600;color:var(--muted);letter-spacing:.02em}.doc-lang a+a{border-left:1px solid 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