:root{--ink:#0f172a;--text:#334155;--mut:#64748b;--line:#e2e8f0;--soft:#f8fafc;--acc:#1d4ed8;--acc-soft:#eff6ff;--code:#0f172a;--ok:#047857;--bad:#b91c1c}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;font:15px/1.65 Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--text);background:#fff}
a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}
code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px}
:not(pre)>code{background:var(--soft);border:1px solid var(--line);border-radius:5px;padding:1px 5px;color:var(--ink);white-space:nowrap}
.top{position:sticky;top:0;z-index:5;height:56px;display:flex;align-items:center;gap:16px;padding:0 24px;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(6px)}
.top b{color:var(--ink);font-size:17px}.top span{color:var(--mut);font-size:13px}.top .grow{flex:1}.top a.btn{font-size:13px;border:1px solid var(--line);border-radius:7px;padding:6px 12px;color:var(--ink)}
.menu{display:none;border:1px solid var(--line);background:#fff;border-radius:7px;padding:6px 10px;font:inherit;cursor:pointer}
.wrap{display:grid;grid-template-columns:250px minmax(0,1fr);max-width:1240px;margin:0 auto}
nav.side{position:sticky;top:56px;height:calc(100vh - 56px);overflow:auto;padding:22px 18px 40px;border-right:1px solid var(--line);font-size:14px}
nav.side h4{margin:18px 0 6px;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--mut)}nav.side h4:first-child{margin-top:0}
nav.side a{display:block;padding:4px 8px;border-radius:6px;color:var(--text)}nav.side a:hover{background:var(--soft);text-decoration:none}nav.side a.on{background:var(--acc-soft);color:var(--acc);font-weight:600}
nav.side a .m{display:inline-block;width:38px;font:600 10px ui-monospace,Menlo,monospace;color:var(--mut)}
main{padding:28px 44px 80px;min-width:0}
section{padding:8px 0 26px;border-bottom:1px solid var(--line);margin-bottom:22px}section:last-child{border:0}
h1{font-size:30px;line-height:1.25;color:var(--ink);margin:6px 0 10px;letter-spacing:-.01em}h2{font-size:21px;color:var(--ink);margin:6px 0 10px}h3{font-size:16px;color:var(--ink);margin:22px 0 8px}
p{margin:0 0 12px}.lead{font-size:17px;color:var(--text);max-width:720px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:14px 0}.card{border:1px solid var(--line);border-radius:10px;padding:16px}.card h3{margin-top:0}.card p{margin:0;font-size:14px}
figure{margin:14px 0 18px}figure img{width:100%;height:auto;border:1px solid var(--line);border-radius:12px}figcaption{font-size:13px;color:var(--mut);margin-top:6px}
table{width:100%;border-collapse:collapse;font-size:14px;margin:8px 0 14px}th{text-align:left;font-size:12px;color:var(--mut);font-weight:600;border-bottom:1px solid var(--line);padding:6px 8px}
td{border-bottom:1px solid var(--line);padding:8px;vertical-align:top}td:first-child{white-space:nowrap}td code{white-space:nowrap}
.ep{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:4px 0 10px;font:13px ui-monospace,Menlo,monospace;color:var(--ink)}
.ep .v{font-weight:700;font-size:11px;padding:2px 7px;border-radius:5px;color:#fff;background:#0369a1}.ep .v.post{background:#15803d}
.req{font-size:12px;color:var(--bad);font-weight:600}.opt{font-size:12px;color:var(--mut)}
.code{position:relative;margin:10px 0 16px;border-radius:10px;background:var(--code);overflow:hidden}
.code .tabs{display:flex;gap:2px;padding:6px 6px 0;background:#1e293b}.code .tabs button{border:0;background:none;color:#94a3b8;font:12px Inter,system-ui,sans-serif;padding:6px 12px;border-radius:6px 6px 0 0;cursor:pointer}
.code .tabs button.on{background:var(--code);color:#e2e8f0}
.code pre{margin:0;padding:14px 16px;color:#e2e8f0;overflow:auto;line-height:1.55}.code pre[hidden]{display:none}
.code .copy{position:absolute;right:8px;top:6px;border:1px solid #334155;background:#0f172a;color:#cbd5e1;border-radius:6px;font:12px Inter,system-ui,sans-serif;padding:3px 9px;cursor:pointer}
.note{border-left:3px solid var(--acc);background:var(--acc-soft);padding:10px 14px;border-radius:0 8px 8px 0;margin:12px 0;font-size:14px}
.warn{border-left-color:#d97706;background:#fffbeb}
ol.steps{padding-left:20px}ol.steps li{margin-bottom:8px}
.foot{color:var(--mut);font-size:13px}
@media(max-width:900px){.wrap{grid-template-columns:1fr}nav.side{display:none;position:fixed;top:56px;left:0;right:0;bottom:0;height:auto;background:#fff;z-index:4}nav.side.open{display:block}.menu{display:inline-block}main{padding:20px 18px 60px}.two{grid-template-columns:1fr}td:first-child{white-space:normal}}
.top b,.top a.btn{white-space:nowrap}
@media(max-width:600px){.top{gap:10px;padding:0 12px}.top span{display:none}.top a.btn:last-child{display:none}h1{font-size:25px}}