:root{color-scheme:light dark;--bg:#fff;--ink:#20231f;--soft:#4c544d;--faint:#747d75;--line:#e6eae5;--panel:#f6f8f5;--accent:#10803f;--tint:#edf7ef;--header:rgba(255,255,255,.94);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button,input{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.skip{position:fixed;top:-80px;left:16px;z-index:99;padding:12px;background:var(--bg)}.skip:focus{top:8px}header{height:72px;position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:18px;padding:0 38px;border-bottom:1px solid var(--line);background:var(--header);backdrop-filter:blur(16px)}.brand{display:flex;align-items:center;gap:20px;font-family:ui-monospace,SFMono-Regular,monospace;font-weight:700;font-size:25px;letter-spacing:-1.5px;color:var(--ink)}.brand:hover{text-decoration:none}.brand span{font-family:inherit;font-size:13px;letter-spacing:0;font-weight:400;color:var(--soft);border-left:1px solid var(--line);padding-left:20px}.version{font-family:ui-monospace,monospace;color:var(--faint);font-size:11px}.header-actions{margin-left:auto;display:flex;align-items:center;gap:24px;font-size:13px}.header-actions>a{color:var(--soft)}#search-open{border:1px solid var(--line);background:var(--panel);color:var(--soft);padding:8px 12px;border-radius:6px;min-width:190px;display:flex;justify-content:space-between;align-items:center;gap:25px}kbd{font-family:inherit;font-size:10px;color:var(--faint);border:1px solid var(--line);border-radius:3px;padding:2px 4px}#menu{display:none}.layout{display:grid;grid-template-columns:238px minmax(0,810px) 226px;max-width:1440px;margin:0 auto;gap:36px;padding:0 32px}#sidebar{position:sticky;top:72px;height:calc(100dvh - 72px);overflow-y:auto;padding:34px 14px 20px 0;border-right:1px solid var(--line);scrollbar-width:thin}.nav-label{font-size:11px;letter-spacing:1px;color:var(--faint);margin:0 12px 12px;font-weight:500}nav .nav-label{margin-top:26px}#sidebar nav{display:flex;flex-direction:column;gap:3px}#sidebar nav>a{color:var(--soft);display:block;padding:8px 12px;font-size:13px;line-height:1.5;border-radius:4px}#sidebar nav>a:hover{background:var(--panel);text-decoration:none;color:var(--ink)}#sidebar nav>a.current{background:var(--tint);color:var(--accent);font-weight:600}.sidebar-footer{margin:32px 12px 12px;border-top:1px solid var(--line);padding-top:20px;font-size:11px;color:var(--faint);line-height:2.2}.sidebar-footer a{color:var(--soft)}main{min-width:0;padding:45px 0 0}.eyebrow{font-size:11px;color:var(--faint);letter-spacing:1px;margin-bottom:19px}article{line-height:1.95;font-size:15px;overflow-wrap:break-word}article h1{font-size:36px;letter-spacing:-1px;line-height:1.4;margin:0 0 25px;font-weight:650}article h2{font-size:24px;letter-spacing:-.4px;line-height:1.5;margin:52px 0 18px;border-top:1px solid var(--line);padding-top:28px;font-weight:600}article h3{font-size:18px;line-height:1.5;margin:32px 0 15px;font-weight:600}article h1,article h2,article h3{scroll-margin-top:100px}article p{margin:15px 0 19px;color:var(--soft)}article li{margin:7px 0;color:var(--soft)}article ul,article ol{padding-left:25px;margin:18px 0 24px}article strong{font-weight:600;color:var(--ink)}article a{text-decoration:underline;text-underline-offset:3px;text-decoration-color:color-mix(in srgb,var(--accent) 35%,transparent)}article a:hover{text-decoration-color:var(--accent)}.heading-link{opacity:0;font-size:.75em;margin-left:9px;color:var(--faint);text-decoration:none!important}h2:hover .heading-link,h3:hover .heading-link,.heading-link:focus{opacity:1}article h3 a{color:var(--ink)}code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.85em}article :not(pre)>code{color:var(--ink);background:var(--panel);padding:2px 5px;border:1px solid var(--line);border-radius:3px;overflow-wrap:anywhere}.code-block{border:1px solid var(--line);border-radius:6px;overflow:hidden;margin:20px 0 26px;background:var(--panel);max-width:100%}.code-toolbar{padding:7px 13px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);color:var(--faint);font-family:ui-monospace,monospace;font-size:11px;background:var(--panel)}.copy-code{border:0;background:transparent;color:var(--soft);font-size:11px;padding:4px 7px;border-radius:3px}.copy-code:hover{background:var(--line)}pre{margin:0;overflow:auto;padding:18px 20px;line-height:1.75;font-size:13px}pre code.hljs{padding:0;background:transparent;font-size:inherit}.table-scroll{overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:5px}table{border-collapse:collapse;width:100%;font-size:13px;line-height:1.8}th{text-align:left;color:var(--ink);background:var(--panel);font-weight:600}td,th{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}td{color:var(--soft)}tr:last-child td{border-bottom:0}td:first-child{min-width:160px}table code{white-space:normal}article img{display:block;max-width:100%;height:auto;max-height:760px;margin:28px auto}article blockquote{border-left:3px solid var(--accent);margin:24px 0;padding:1px 20px;background:var(--panel)}.example-file{font-family:ui-monospace,monospace;font-size:13px;color:var(--faint);margin:23px 0 -10px}.toc{position:sticky;top:72px;height:calc(100dvh - 72px);overflow-y:auto;padding:45px 0 20px;scrollbar-width:thin}.toc .nav-label{margin-left:0}.toc>a{display:block;font-size:11px;line-height:1.65;padding:6px 0 6px 12px;margin-left:0;border-left:1px solid var(--line);color:var(--faint)}.toc>a.depth-3{padding-left:22px}.toc>a:hover,.toc>a.active{color:var(--accent);text-decoration:none;border-color:var(--accent)}.pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:48px;border-top:1px solid var(--line);padding:24px 0}.pager a{font-size:14px;line-height:1.8;color:var(--ink)}.pager a:last-child{text-align:right}.pager small{display:block;font-size:11px;color:var(--faint);margin-bottom:5px}footer{border-top:1px solid var(--line);padding:25px 0 36px;font-size:11px;line-height:1.9;color:var(--faint)}dialog{border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);width:min(650px,calc(100vw - 30px));padding:0;margin:12vh auto;box-shadow:0 24px 80px #0003}dialog::backdrop{background:#0006;backdrop-filter:blur(3px)}.search-top{display:flex;align-items:center;padding:18px;border-bottom:1px solid var(--line);gap:15px}#search-input{width:100%;border:0;background:transparent;color:var(--ink);outline:0;font-size:16px}#search-close{border:1px solid var(--line);border-radius:4px;padding:6px 10px;background:var(--panel);color:var(--soft);font-size:11px}#search-results{max-height:55vh;overflow:auto;padding:12px}#search-results p{padding:15px;color:var(--faint)}#search-results a{display:block;padding:14px;border-radius:5px;color:var(--ink)}#search-results a:hover{background:var(--tint);text-decoration:none}#search-results a strong{display:block;font-size:14px}#search-results a span{display:block;font-size:12px;color:var(--soft);margin-top:8px;line-height:1.8}.search-hint{border-top:1px solid var(--line);padding:13px 22px;font-size:11px;color:var(--faint)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
@media(prefers-color-scheme:dark){:root{--bg:#171a17;--ink:#e8eee7;--soft:#c1c9c0;--faint:#8b978b;--line:#30382e;--panel:#20261f;--accent:#69c68a;--tint:#223429;--header:rgba(23,26,23,.95)}}
@media(min-width:1500px){.layout{gap:48px}}
@media(max-width:1200px){.layout{grid-template-columns:215px minmax(0,1fr);gap:32px;max-width:1100px}.toc{display:none}main{padding-right:20px}}
@media(max-width:760px){header{height:60px;padding:0 18px;gap:10px}.brand{font-size:23px;gap:12px}.brand span{font-size:11px;padding-left:12px}.version{display:none}.header-actions{gap:12px}.header-actions>a{display:none}#search-open{min-width:0;border:0;background:none;padding:5px;font-size:12px}#search-open kbd{display:none}#menu{display:block;border:1px solid var(--line);border-radius:4px;background:var(--panel);padding:6px 9px;color:var(--soft);font-size:12px}.layout{display:block;padding:0 22px}#sidebar{display:none;position:fixed;top:60px;left:0;bottom:0;height:calc(100dvh - 60px);width:min(320px,88vw);z-index:19;background:var(--bg);padding:24px 20px;box-shadow:10px 0 40px #0002}body.menu-open #sidebar{display:block}main{padding:30px 0 0}article{font-size:14px}article h1{font-size:29px}article h2{font-size:22px;margin-top:38px}article h3{font-size:17px}pre{font-size:12px;padding:15px}.pager{gap:16px}.heading-link{opacity:.5}}
@media(prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}