:root{--ink:#1a2538;--muted:#71829a;--line:#e5ebf4;--soft:#f6f8fc;--blue:#2f5fe0}
*{box-sizing:border-box}
body{margin:0;background:#fff;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}
a{text-decoration:none;color:inherit}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em;background:#f3f6fb;border:1px solid #e7edf6;border-radius:3px;padding:1px 5px;color:#2b4a87}
pre{margin:14px 0 18px;background:#0f172a;color:#dbe7ff;border-radius:7px;padding:16px 18px;overflow:auto;font:12.5px/1.8 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
pre code{background:none;border:0;padding:0;color:inherit;font-size:inherit}
.doc-header{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line);background:rgba(255,255,255,.96);backdrop-filter:blur(10px)}
.doc-header-inner{max-width:1220px;margin:0 auto;height:60px;display:flex;align-items:center;gap:20px;padding:0 24px}
.brand{display:flex;align-items:center;gap:9px;font-size:16px;font-weight:700}.brand em{font-style:normal;color:#8292a8;font-weight:500;font-size:12px;margin-left:4px}
.brand-mark{width:29px;height:29px;border-radius:7px;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:800}
.doc-links{margin-left:auto;display:flex;gap:20px;font-size:13px;color:#63758e}.doc-links a:hover{color:var(--blue)}
.doc-layout{max-width:1220px;margin:0 auto;display:flex;gap:36px;padding:26px 24px 70px}
.doc-side{width:190px;flex:0 0 190px;position:sticky;top:86px;align-self:flex-start;font-size:13px;border-right:1px solid var(--line);padding-right:18px;height:calc(100vh - 110px);overflow:auto}
.side-title{font-size:11px;letter-spacing:1.2px;color:#91a0b6;text-transform:uppercase;margin:18px 0 6px}
.doc-side a{display:block;padding:4px 0;color:#5b6d86}.doc-side a:hover,.doc-side a.active{color:var(--blue)}
.doc-main{flex:1;min-width:0;max-width:850px}
.doc-hero{padding:4px 0 16px;border-bottom:1px solid var(--line);margin-bottom:10px}.tag{font-size:10.5px;letter-spacing:1.6px;color:#8b9bb2}.doc-hero h1{font-size:32px;letter-spacing:-.8px;margin:7px 0 6px}.doc-hero p{margin:0;color:var(--muted);font-size:14px}
section{padding:24px 0;border-bottom:1px solid #eef2f8}section:last-of-type{border-bottom:0}
h2{font-size:22px;letter-spacing:-.4px;margin:0 0 8px}p{color:#4f6079;font-size:14px;margin:8px 0}
.callout{background:#f7f9fd;border:1px solid #e5edf9;border-left:3px solid var(--blue);border-radius:4px;padding:10px 13px;color:#52657f;font-size:13px;margin:12px 0}
.layui-table{margin:12px 0 4px}.layui-table th,.layui-table td{font-size:13px;padding:9px 12px}
.doc-main ul{padding-left:20px;color:#4f6079;font-size:13.5px}.doc-main li{margin:4px 0}
.doc-foot{margin-top:20px;color:#95a3b7;font-size:12px}.doc-foot a{color:var(--blue)}
@media(max-width:900px){.doc-layout{display:block;padding:18px}.doc-side{position:static;width:auto;height:auto;border-right:0;border-bottom:1px solid var(--line);padding:0 0 10px;margin-bottom:10px;display:flex;flex-wrap:wrap;gap:0 16px}.side-title{width:100%;margin:10px 0 4px}.doc-side a{display:inline-block}.doc-main{max-width:none}.doc-hero h1{font-size:26px}.doc-links{display:none}}