:root{--ink: #111214;--ink-soft: #4b4f57;--ink-faint: #8b8f98;--line: #e4e5e8;--line-soft: #eef0f2;--bg: #ffffff;--bg-soft: #f7f7f8;--accent: #1f5fd0;--radius: 10px;--mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font-size:15.5px;line-height:1.8;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Source Han Sans SC,sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:3px}.topbar{position:sticky;top:0;z-index:30;background:#ffffffeb;-webkit-backdrop-filter:saturate(180%) blur(8px);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--line)}.topbar .inner{max-width:1180px;margin:0 auto;padding:0 28px;height:58px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-size:15px;font-weight:700;letter-spacing:.05em;color:var(--ink)}.brand:hover{text-decoration:none}.brand span{color:var(--accent)}.nav{display:flex;align-items:center;gap:22px;font-size:14px}.nav a{color:var(--ink-soft)}.nav a:hover{color:var(--ink);text-decoration:none}.nav a.on{color:var(--ink);font-weight:600}.nav .gh{padding-left:22px;border-left:1px solid var(--line);color:var(--ink-faint)}.wrap{max-width:1080px;margin:0 auto;padding:0 28px}.hero{padding:88px 0 64px;border-bottom:1px solid var(--line)}.eyebrow{margin:0 0 18px;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-faint)}.hero h1,.head h1{margin:0 0 20px;font-size:clamp(28px,4.4vw,42px);line-height:1.28;letter-spacing:-.01em;font-weight:700}.lead{margin:0;max-width:660px;font-size:16.5px;color:var(--ink-soft)}.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:30px}.chips span{padding:5px 12px;border:1px solid var(--line);border-radius:999px;font-size:13px;color:var(--ink-soft)}section.block{padding:62px 0;border-bottom:1px solid var(--line)}section.block:last-of-type{border-bottom:0}.section-title{display:flex;align-items:baseline;gap:14px;margin:0 0 28px;font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-faint);font-weight:600}.section-title:after{content:"";flex:1;height:1px;background:var(--line)}.block .prose p{margin:0 0 16px;max-width:700px;color:var(--ink-soft)}.block .prose p:last-child{margin-bottom:0}.prose strong{color:var(--ink);font-weight:600}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px}.card{display:flex;flex-direction:column;padding:24px;border:1px solid var(--line);border-radius:var(--radius);color:var(--ink);transition:border-color .16s ease,box-shadow .16s ease}.card:hover{text-decoration:none;border-color:#d3d6db;box-shadow:0 12px 28px -22px #1112148c}.card h3{margin:0 0 6px;font-size:17px;font-weight:650;line-height:1.5;color:var(--ink)}.card .role{margin:0 0 14px;font-size:12px;letter-spacing:.06em;color:var(--ink-faint)}.card .desc{margin:0 0 18px;font-size:14px;color:var(--ink-soft)}.card .meta{display:flex;align-items:center;justify-content:space-between;margin:auto 0 0;padding-top:14px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--ink-faint)}.card .go{color:var(--accent)}.stack{display:flex;flex-wrap:wrap;gap:8px}.stack span{padding:7px 13px;border:1px solid var(--line);border-radius:7px;font-size:13.5px;color:var(--ink-soft)}.contact-list{list-style:none;margin:0;padding:0;max-width:540px}.contact-list li{display:flex;gap:18px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:14.5px}.contact-list li:last-child{border-bottom:0}.contact-list .k{width:80px;flex:none;color:var(--ink-faint)}.top-crumb{margin-top:34px}.head{padding:26px 0 44px;border-bottom:1px solid var(--line);margin-bottom:34px}.wiki{display:grid;grid-template-columns:226px minmax(0,1fr);gap:52px;max-width:1180px;margin:0 auto;padding:34px 28px 72px}.side{position:sticky;top:82px;align-self:start;max-height:calc(100vh - 110px);overflow:auto;font-size:13.5px}.side-all{display:block;margin-bottom:20px;color:var(--ink-faint);font-size:12.5px}.side-group{margin-bottom:20px}.side-title{margin:0 0 6px;font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint)}.side-group a{display:block;padding:4px 10px;margin-left:-10px;border-radius:6px;color:var(--ink-soft);line-height:1.55}.side-group a:hover{background:var(--bg-soft);color:var(--ink);text-decoration:none}.side-group a.on{background:var(--bg-soft);color:var(--ink);font-weight:600}.side-src{display:block;padding-top:14px;border-top:1px solid var(--line-soft);font-size:12.5px;color:var(--ink-faint)}.doc{min-width:0;max-width:800px}.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-faint)}.crumb a{color:var(--ink-faint)}.crumb a:hover{color:var(--ink);text-decoration:none}.crumb .sep{color:#cdd0d5}.crumb .cur{color:var(--ink-soft)}.doc h1{margin:20px 0 14px;font-size:30px;line-height:1.34;letter-spacing:-.01em;font-weight:700}.lede{margin:0 0 32px;padding-bottom:26px;border-bottom:1px solid var(--line);color:var(--ink-soft);font-size:15.5px}.prose p{margin:0 0 16px}.prose h3{margin:40px 0 14px;font-size:17px;font-weight:650;letter-spacing:-.005em;scroll-margin-top:80px}.prose .list{margin:0 0 18px;padding-left:20px;color:var(--ink-soft)}.prose .list li{margin-bottom:7px}.note{margin:20px 0;padding:12px 16px;border-left:2px solid #d3d6db;background:var(--bg-soft);border-radius:0 6px 6px 0;font-size:14px;color:var(--ink-soft)}.tbl-wrap{margin:20px 0 26px;border:1px solid var(--line);border-radius:8px;overflow-x:auto}.tbl{width:100%;border-collapse:collapse;font-size:14px}.tbl th{padding:10px 16px;text-align:left;font-weight:600;font-size:12.5px;letter-spacing:.04em;color:var(--ink-soft);background:#fafafa;border-bottom:1px solid var(--line);white-space:nowrap}.tbl td{padding:11px 16px;color:var(--ink-soft);border-bottom:1px solid var(--line-soft);vertical-align:top}.tbl tr:last-child td{border-bottom:0}.tbl td:first-child{white-space:nowrap;color:var(--ink)}.mermaid{margin:22px 0 28px;padding:18px 12px;border:1px solid var(--line);border-radius:8px;background:#fff;text-align:center;overflow-x:auto}.mermaid svg{max-width:100%;height:auto}.mermaid-error{margin:20px 0;padding:14px 16px;border:1px solid #f0c9c9;border-radius:8px;background:#fdf5f5;font-size:13px;color:#8a2b2b}.mermaid-error pre{overflow-x:auto;font-family:var(--mono);font-size:12px}.pagelist{display:grid;gap:10px;margin:20px 0 8px}.pcard{display:block;padding:13px 16px;border:1px solid var(--line);border-radius:8px;color:var(--ink);transition:border-color .16s ease,background .16s ease}.pcard:hover{text-decoration:none;background:var(--bg-soft);border-color:#d3d6db}.pcard b{display:block;font-size:14.5px;font-weight:600;margin-bottom:3px}.pcard span{display:block;font-size:13px;line-height:1.65;color:var(--ink-faint)}.tail{margin-top:44px;padding-top:26px;border-top:1px solid var(--line)}.tail h2{margin:0 0 14px;font-size:12.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint)}.backrefs{list-style:none;display:flex;flex-wrap:wrap;gap:8px 18px;margin:0;padding:0;font-size:14px}.pager{display:flex;justify-content:space-between;gap:16px;margin-top:46px;padding-top:24px;border-top:1px solid var(--line)}.pager a{flex:1 1 0;max-width:48%;padding:13px 16px;border:1px solid var(--line);border-radius:8px;color:var(--ink);font-size:14px;transition:border-color .16s ease}.pager a:hover{text-decoration:none;border-color:#d3d6db}.pager a span{display:block;font-size:11.5px;letter-spacing:.1em;color:var(--ink-faint);margin-bottom:3px}.pager .next{margin-left:auto;text-align:right}.foot{border-top:1px solid var(--line);background:var(--bg-soft)}.foot .inner{max-width:1180px;margin:0 auto;padding:26px 28px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:12.5px;color:var(--ink-faint)}.foot .dim{color:#a6aab2}@media(max-width:1000px){.wiki{grid-template-columns:minmax(0,1fr);gap:26px;padding-top:24px}.side{position:static;max-height:none;display:flex;flex-wrap:wrap;align-items:center;gap:6px 4px;padding-bottom:18px;border-bottom:1px solid var(--line)}.side-all{margin:0 12px 0 0}.side-group{display:contents}.side-title{display:none}.side-group a{margin:0;padding:3px 9px;border:1px solid var(--line);border-radius:999px;font-size:12.5px}.side-src{display:none}.doc{max-width:none}}@media(max-width:720px){.wrap,.topbar .inner,.wiki,.foot .inner{padding-left:20px;padding-right:20px}.hero{padding:62px 0 48px}section.block{padding:48px 0}.nav{gap:16px;font-size:13px}.nav .gh{padding-left:16px}.doc h1{font-size:25px}.pager{flex-direction:column}.pager a{max-width:none}.pager .next{text-align:left}}
