:root{color-scheme:light;--ink:#192317;--muted:#586451;--line:#dce2d7;--paper:#fafbf7;--green:#365a1b;--lime:#adff35;--ease-out:cubic-bezier(.23,1,.32,1)}
*{box-sizing:border-box}
html{scroll-padding-top:100px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;font-size:16px;line-height:1.85;-webkit-text-size-adjust:100%}
a{color:var(--green);text-underline-offset:4px;overflow-wrap:anywhere}
a:focus-visible,pre:focus-visible,.table-scroll:focus-visible{outline:3px solid #628e35;outline-offset:4px}
a:active:not(:focus-visible){transform:scale(.97)}
.site-header{position:sticky;z-index:2;top:0;background:#10190f;color:#f5f8ef;border-bottom:1px solid #283724}
.header-inner{max-width:1280px;min-height:76px;margin:auto;padding:12px 32px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:750;white-space:nowrap}
.brand small{font-size:13px;font-weight:400;color:#b8c4ad;margin-left:15px}
.site-header a{color:inherit;text-decoration:none;transition:transform 160ms var(--ease-out)}
.header-links{display:flex;gap:24px;align-items:center;font-size:14px}
.header-links a{display:flex;align-items:center;min-height:44px}
.header-links a:last-child{color:var(--lime)}
.layout{max-width:1280px;margin:0 auto;padding:58px 32px 64px;display:grid;grid-template-columns:224px minmax(0,1fr);gap:64px}
.sidebar{position:sticky;top:114px;align-self:start;max-height:calc(100vh - 138px);overflow:auto}
.sidebar-label{font-size:12px;letter-spacing:.09em;font-weight:700;margin:0 0 20px;color:var(--muted)}
.sidebar-label span{margin-left:8px;color:var(--green);letter-spacing:0}
.toc{display:grid;border-left:1px solid var(--line)}
.toc a{display:flex;align-items:center;min-height:44px;padding:9px 16px;color:var(--muted);text-decoration:none;font-size:14px;line-height:1.5;transition:transform 160ms var(--ease-out)}
.sidebar-note{font-size:12px;line-height:1.8;color:var(--muted);margin:28px 0 0 16px}
.sidebar-note a{display:inline-block;min-height:32px}
main{min-width:0;max-width:900px}
h1{font-size:clamp(30px,4vw,44px);line-height:1.25;letter-spacing:-.04em;margin:0 0 20px;font-weight:780}
h2{font-size:26px;line-height:1.4;letter-spacing:-.025em;margin:64px 0 24px;padding-top:24px;border-top:1px solid var(--line);scroll-margin-top:24px}
h3{font-size:19px;line-height:1.6;margin:32px 0 16px;overflow-wrap:anywhere}
p{margin:18px 0;overflow-wrap:anywhere}
h1+p{color:var(--muted);font-size:14px}
strong{font-weight:700}
code{font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;font-size:.88em;line-height:1.7;background:#eaf0e3;padding:2px 5px;border-radius:3px;overflow-wrap:anywhere}
pre{margin:24px 0;padding:24px;overflow-x:auto;border:1px solid #273522;border-radius:6px;background:#142011;color:#e8f2dc;font-size:14px;line-height:1.75;tab-size:2}
pre code{font-size:inherit;padding:0;border-radius:0;background:none;color:inherit;overflow-wrap:normal}
.table-scroll{max-width:100%;overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:4px}
table{border-collapse:collapse;width:100%;font-size:14px;line-height:1.7;text-align:left}
th{background:#eef2e8;font-weight:650}
th,td{padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top;min-width:112px}
tr:last-child td{border-bottom:0}
td code{word-break:normal}
ul,ol{padding-left:24px}
li{margin:12px 0;padding-left:4px}
.doc-footer{display:flex;justify-content:space-between;border-top:1px solid var(--line);margin-top:64px;padding-top:24px;font-size:14px}
.doc-footer a{display:flex;align-items:center;min-height:44px;transition:transform 160ms var(--ease-out)}
.skip-link{position:fixed;z-index:4;top:-90px;left:12px;padding:12px 20px;background:var(--lime);color:#172311}
.skip-link:focus{top:12px}
@media(hover:hover) and (pointer:fine){.toc a:hover{background:#eaf0e3;color:var(--green)}.header-links a:hover{text-decoration:underline}}
@media(max-width:1000px){.layout{gap:36px;grid-template-columns:196px minmax(0,1fr);padding:40px 24px}.header-inner{padding:12px 24px}}
@media(max-width:760px){html{scroll-padding-top:124px}.header-inner{padding:12px 20px;flex-wrap:wrap;gap:4px}.brand{font-size:18px}.brand small{margin-left:10px}.header-links{gap:24px;width:100%;font-size:13px}.header-links a{min-height:36px}.layout{display:block;padding:28px 20px 48px}.sidebar{position:static;max-height:none;margin-bottom:38px}.sidebar-label{margin-bottom:12px}.toc{grid-template-columns:repeat(2,minmax(0,1fr));border-left:none;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:8px 0}.toc a{font-size:13px;padding:8px 10px}.sidebar-note{display:none}h1{font-size:30px}h2{font-size:23px;margin-top:44px}h3{font-size:17px}pre{padding:18px;font-size:12px}th,td{padding:12px;min-width:110px}}
@media(prefers-reduced-motion:reduce){a{transition:none!important;transform:none!important}}
@media print{.site-header,.sidebar,.skip-link,.doc-footer{display:none}.layout{display:block;padding:0}main{max-width:none}body{font-size:11pt}pre{white-space:pre-wrap;background:#f4f4f4;color:#111;border-color:#ddd}table{font-size:10pt}.table-scroll{overflow:visible}h2{break-after:avoid}}