:root{--bg:#f6f8fb;--panel:#fff;--line:#e3e8ef;--text:#1f2937;--muted:#6b7280;--brand:#2563eb;--brand-soft:#eff4ff;--good:#15803d;--warn:#b45309;--bad:#b91c1c;--code:#f3f5f9;--top:52px;--side:270px}
*{box-sizing:border-box}
html{scroll-padding-top:calc(var(--top) + 16px)}
body{margin:0;font:15px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg)}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em;background:var(--code);padding:.1em .35em;border-radius:4px}
.muted{color:var(--muted)}.pad{padding:12px 16px}.nowrap{white-space:nowrap}.spacer{flex:1}
.top{position:fixed;inset:0 0 auto 0;height:var(--top);display:flex;align-items:center;gap:14px;padding:0 18px;background:var(--panel);border-bottom:1px solid var(--line);z-index:20}
.brand{font-weight:700;font-size:16px;color:var(--text)}.brand:hover{text-decoration:none}
.who{color:var(--muted);font-size:13px;max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.top-link{font-size:14px}.top form{margin:0}
.link-btn{border:0;background:none;color:var(--brand);cursor:pointer;font:inherit;font-size:14px;padding:0}
.menu-btn{display:none;border:0;background:none;font-size:20px;cursor:pointer}
.shell{display:flex;padding-top:var(--top);min-height:100vh}
.side{width:var(--side);flex:none;position:sticky;top:var(--top);height:calc(100vh - var(--top));overflow:auto;background:var(--panel);border-right:1px solid var(--line);padding:14px 0}
.side-group{margin-bottom:10px}
.side-product{display:block;padding:6px 18px;font-weight:600;color:var(--text)}
.side-doc{display:block;padding:5px 18px 5px 30px;font-size:14px;color:#4b5563;border-left:3px solid transparent}
.side-product.on{color:var(--brand)}.side-doc.on{color:var(--brand);background:var(--brand-soft);border-left-color:var(--brand)}
.side a:hover{text-decoration:none;background:#f3f6fb}
.main{flex:1;min-width:0}
.wrap{max-width:980px;margin:0 auto;padding:28px 32px 60px}.wrap.wide{max-width:1200px}
.page-title{font-size:24px;margin:8px 0 10px}.page-title small{font-size:13px;font-weight:400}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px;margin-top:18px}.cards.one{grid-template-columns:1fr}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:18px 20px;margin-bottom:16px}
.cards .card{margin:0}
.card h2{font-size:17px;margin:0 0 8px}.card h2 code{font-weight:400;font-size:12px}
.doc-list{margin:8px 0 0;padding-left:18px}.doc-list li{margin:4px 0}
.meta{font-size:13px;color:var(--muted);margin:8px 0 0}
.tag{display:inline-block;margin-left:6px;padding:1px 8px;border-radius:999px;font-size:12px;font-weight:500;background:var(--brand-soft);color:var(--brand);vertical-align:middle;white-space:nowrap}
.tag.soft{background:#f1f5f9;color:#475569}.tag.good{background:#ecfdf3;color:var(--good);margin-left:0}.tag.warn{background:#fff7e6;color:var(--warn)}.tag.bad{background:#fef2f2;color:var(--bad);margin-left:0}
.btn{display:inline-block;padding:7px 16px;border:1px solid var(--line);border-radius:7px;background:var(--panel);color:var(--text);font:inherit;font-size:14px;cursor:pointer;line-height:1.4}
.btn:hover{border-color:var(--brand);color:var(--brand);text-decoration:none}
.btn.small{padding:3px 11px;font-size:13px}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn.primary:hover{filter:brightness(1.08);color:#fff}
.btn.danger{color:var(--bad)}.btn.danger:hover{border-color:var(--bad);color:var(--bad)}
.alert{padding:9px 14px;border-radius:8px;background:#fff7e6;border:1px solid #fde3b0;font-size:14px;margin:10px 0}
.alert.err{background:#fef2f2;border-color:#fecaca;color:var(--bad)}.alert.ok{background:#ecfdf3;border-color:#bbf7d0;color:var(--good)}.alert.soft{background:var(--brand-soft);border-color:#d6e4ff}
.empty{max-width:520px;margin:12vh auto;text-align:center;padding:0 20px}
/* 登录 */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(160deg,#eef4ff,#f6f8fb 60%)}
.login-card{width:min(420px,92vw);background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:30px 30px 24px;box-shadow:0 12px 40px rgba(30,60,120,.08)}
.login-card h1{font-size:22px;margin:0 0 4px}
.tabs{display:flex;gap:4px;background:#f1f5f9;border-radius:8px;padding:4px;margin:18px 0 14px}
.tab{flex:1;border:0;background:none;padding:7px;border-radius:6px;font:inherit;font-size:14px;cursor:pointer;color:var(--muted)}
.tab.on{background:var(--panel);color:var(--text);font-weight:600;box-shadow:0 1px 3px rgba(0,0,0,.08)}
label{display:block;font-size:13px;color:var(--muted);margin-bottom:12px}
input,select{display:block;width:100%;margin-top:4px;padding:8px 10px;border:1px solid var(--line);border-radius:7px;font:inherit;font-size:14px;color:var(--text);background:#fff}
input:focus,select:focus{outline:2px solid #bcd0ff;border-color:var(--brand)}
input:disabled{background:#f3f4f6;color:var(--muted)}
input[type=checkbox]{display:inline;width:auto;margin:0 5px 0 0}
.login-card .btn{width:100%;padding:10px;margin-top:4px}
.hint{font-size:12px;color:var(--muted);margin:10px 0 0}
/* 文档页 */
.doc-layout{display:flex;gap:28px;max-width:1280px;margin:0 auto;padding:22px 32px 80px}
.doc{flex:1;min-width:0;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:20px 36px 48px}
.doc-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:8px;font-size:14px}
.doc-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px}
select.ver{width:auto;margin:0;padding:3px 8px;font-size:13px}
.toc{width:230px;flex:none;position:sticky;top:calc(var(--top) + 22px);align-self:flex-start;max-height:calc(100vh - var(--top) - 44px);overflow:auto;font-size:13px}
.toc-title{font-weight:600;margin-bottom:6px}
.toc a{display:block;padding:3px 0 3px 10px;color:#4b5563;border-left:2px solid var(--line)}
.toc a.l3{padding-left:22px}.toc a.on{color:var(--brand);border-left-color:var(--brand)}
.md{overflow-wrap:anywhere}
.md h1{font-size:27px;margin:18px 0 14px}.md h2{font-size:21px;margin:38px 0 12px;padding-bottom:6px;border-bottom:1px solid var(--line)}
.md h3{font-size:17px;margin:28px 0 8px}.md h4{font-size:15px;margin:22px 0 6px}
.md .anchor{margin-left:8px;color:#c3cad5;font-weight:400;opacity:0}.md h1:hover .anchor,.md h2:hover .anchor,.md h3:hover .anchor,.md h4:hover .anchor{opacity:1}
.md table{border-collapse:collapse;margin:14px 0;display:block;overflow-x:auto;max-width:100%;font-size:14px}
.md th,.md td{border:1px solid var(--line);padding:7px 12px;text-align:left;vertical-align:top}.md th{background:#f8fafc;white-space:nowrap}
.md blockquote{margin:14px 0;padding:8px 16px;border-left:4px solid #c7d7fe;background:var(--brand-soft);border-radius:0 6px 6px 0;color:#374151}
.md blockquote p{margin:6px 0}
.md img{max-width:100%}.md hr{border:0;border-top:1px solid var(--line);margin:28px 0}
.md .codehilite{position:relative;background:#f6f8fa;border:1px solid var(--line);border-radius:8px;margin:14px 0}
.md .codehilite pre{margin:0;padding:14px 16px;overflow-x:auto;font:13px/1.6 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;overflow-wrap:normal}
.md pre code{background:none;padding:0;font-size:inherit}
.copy-btn{position:absolute;top:8px;right:8px;padding:2px 10px;font-size:12px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--muted);cursor:pointer;opacity:0;transition:opacity .15s}
.codehilite:hover .copy-btn,.copy-btn:focus{opacity:1}.copy-btn.done{color:var(--good);border-color:var(--good);opacity:1}
.deadlink{border-bottom:1px dashed #c3cad5;cursor:help}
/* 后台 */
.admin-tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:18px}
.admin-tabs a{padding:8px 16px;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px}
.admin-tabs a.on{color:var(--brand);border-bottom-color:var(--brand);font-weight:600}.admin-tabs a:hover{text-decoration:none}
.row-between{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.tbl{width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;background:var(--panel)}
.tbl th,.tbl td{border-bottom:1px solid var(--line);padding:9px 10px;text-align:left;vertical-align:top}
.tbl th{font-size:12px;color:var(--muted);font-weight:600;background:#fafbfd}
.tbl.compact td{padding:5px 10px;font-size:13px}
.edit-row>td{background:#fafbfd;padding:16px 18px}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 18px;margin-top:12px}
.grid .span{grid-column:1/-1}.grid .actions{display:flex;gap:10px;align-items:center}
.checks{font-size:13px;color:var(--muted);margin-bottom:10px}.check{display:inline-block;margin:0 14px 4px 0;color:var(--text)}
details>summary{cursor:pointer;color:var(--brand);font-size:14px;margin:6px 0}
details.inline{display:inline-block;position:relative}details.inline>summary{list-style:none;color:var(--text);margin:0}
.pop{position:absolute;right:0;top:34px;width:320px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px;box-shadow:0 10px 30px rgba(0,0,0,.1);z-index:5}
.versions{margin-top:14px;padding-top:10px;border-top:1px dashed var(--line)}.versions h4{margin:0 0 8px}
.ver-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:13px;margin:4px 0}
.diff{font-size:12px;white-space:pre-wrap;word-break:break-all;background:var(--code);padding:8px;border-radius:6px;max-width:560px}
@media (max-width:1100px){.toc{display:none}}
@media (max-width:820px){
  .menu-btn{display:block}.who{display:none}
  .side{position:fixed;left:0;top:var(--top);z-index:15;transform:translateX(-100%);transition:transform .2s;box-shadow:4px 0 20px rgba(0,0,0,.1)}
  .side.open{transform:none}
  .doc-layout{padding:10px}.doc{padding:14px 16px 40px}.wrap{padding:18px 14px 40px}.grid{grid-template-columns:1fr}
}
@media print{.top,.side,.toc,.doc-actions,.copy-btn{display:none}.shell{padding:0}.doc{border:0}}