:root{
  --bg:#0a0e13; --bg2:#0e141b; --card:#121a23; --bd:#222e3b;
  --tx:#e8e4da; --dim:#7f8b99; --dim2:#5b6672;
  --gold:#d8b26b; --accent:#7fb2e5;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  background:radial-gradient(1200px 600px at 50% -180px,#16202b 0%,var(--bg) 62%) no-repeat,var(--bg);
  color:var(--tx);font:15px/1.75 "PingFang SC","Microsoft YaHei",-apple-system,sans-serif;
  min-height:100vh;display:flex;flex-direction:column;
}
a{color:inherit;text-decoration:none}
em{font-style:normal}
code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;background:#18212b;
  padding:1px 6px;border-radius:4px;color:#c9d7e4}
pre{background:#0c1219;border:1px solid var(--bd);border-radius:8px;padding:14px 16px;
  overflow:auto;font-size:13px;line-height:1.65;color:#c9d7e4}
pre code{background:none;padding:0}

/* top */
.top{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:28px;
  padding:14px 34px;background:rgba(10,14,19,.86);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--bd)}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:.3px;white-space:nowrap}
.brand .mark{width:26px;height:26px;border-radius:6px;display:grid;place-items:center;
  background:linear-gradient(145deg,#d8b26b,#9c7a3c);color:#1a1305;font-weight:800;font-size:14px}
.brand .bt em{color:var(--dim2);font-size:11px;margin-left:6px;letter-spacing:1px;text-transform:uppercase}
.top nav{display:flex;gap:4px}
.top nav a{padding:6px 12px;border-radius:7px;color:var(--dim);font-size:14px}
.top nav a:hover{color:var(--tx);background:#161f28}
.top nav a.on{color:var(--gold);background:#1b1710}
.q{margin-left:auto}
.q input{width:300px;padding:8px 13px;border-radius:8px;border:1px solid var(--bd);
  background:#0d141b;color:var(--tx);font-size:13.5px;outline:none}
.q input:focus{border-color:#3a4b5e}

main{flex:1;width:min(1080px,100%);margin:0 auto;padding:40px 28px 80px}

/* hero */
.hero{padding:34px 0 10px}
.hero h1{font-size:40px;line-height:1.28;letter-spacing:-.8px;font-weight:650;
  background:linear-gradient(100deg,#fff 20%,#d8b26b 92%);-webkit-background-clip:text;
  background-clip:text;color:transparent}
.lede{color:var(--dim);margin-top:14px;max-width:640px;font-size:15px}
.stat{display:flex;flex-wrap:wrap;gap:34px;margin-top:30px;padding:20px 0;border-top:1px solid var(--bd);
  border-bottom:1px solid var(--bd)}
.stat div{display:flex;flex-direction:column}
.stat b{font-size:26px;font-weight:600;color:var(--gold);font-variant-numeric:tabular-nums}
.stat span{font-size:12px;color:var(--dim2);letter-spacing:.5px}

/* groups */
.grp{margin-top:42px}
.gh{display:flex;align-items:baseline;gap:12px;margin-bottom:16px}
.gh h2{font-size:16px;font-weight:600;letter-spacing:.5px}
.gh span{font-size:12px;color:var(--dim2)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--bd);
  border-radius:11px;padding:18px 18px 14px;transition:.18s;min-height:132px}
.card:hover{border-color:#3d4f64;transform:translateY(-2px);background:#151f29}
.card .ct{font-size:15.5px;font-weight:600}
.card .cs{font-size:12px;color:var(--gold);margin-top:3px}
.card p{font-size:13px;color:var(--dim);margin-top:8px;line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card .cf{margin-top:auto;padding-top:12px;display:flex;justify-content:space-between;
  font-size:12px;color:var(--dim2)}
.card .go{color:var(--accent);opacity:0;transition:.18s}
.card:hover .go{opacity:1}

/* empty */
.empty{margin-top:36px;padding:26px;border:1px dashed #2a3745;border-radius:12px;background:#0d141b}
.empty h2{font-size:17px;margin-bottom:10px}
.empty ol{margin:10px 0 10px 20px;color:var(--dim);font-size:14px}
.empty li{margin:6px 0}
.empty .dim{color:var(--dim2);font-size:13px;margin-top:10px}

/* doc */
.crumb{font-size:12.5px;color:var(--dim2);margin-bottom:18px}
.crumb a:hover{color:var(--gold)}
.head h1,.doc h1{font-size:28px;line-height:1.4;letter-spacing:-.3px;font-weight:640}
.sub{color:var(--gold);font-size:13px;margin-top:6px}
.sum{color:var(--dim);margin-top:10px}
.meta{font-size:12px;color:var(--dim2);margin-top:10px}
.toc{list-style:none;margin-top:26px;border-top:1px solid var(--bd)}
.toc li a{display:flex;align-items:center;gap:14px;padding:13px 6px;border-bottom:1px solid #18212b}
.toc li a:hover{background:#101821}
.toc .n{width:26px;color:var(--dim2);font-family:ui-monospace,monospace;font-size:12px}
.toc .t{flex:1;font-size:14.5px}
.toc .w{font-size:12px;color:var(--dim2)}

.doc .body{margin-top:24px;font-size:15px;line-height:1.95;color:#dcd8ce;max-width:760px}
.doc .body h2{font-size:19px;margin:32px 0 10px;color:#fff}
.doc .body h3{font-size:16px;margin:22px 0 8px;color:var(--gold)}
.doc .body p{margin:12px 0}
.doc .body ul,.doc .body ol{margin:12px 0 12px 24px}
.doc .body li{margin:6px 0}
.doc .body blockquote{border-left:3px solid var(--gold);padding:6px 0 6px 14px;color:#c7bfae;margin:14px 0}
.doc .body table{width:100%;border-collapse:collapse;margin:16px 0;font-size:13.5px}
.doc .body th,.doc .body td{border:1px solid var(--bd);padding:8px 11px;text-align:left}
.doc .body th{background:#151f29}
.pager{margin-top:40px;padding-top:18px;border-top:1px solid var(--bd);font-size:13.5px;color:var(--accent)}

.tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}
.tag{font-size:11.5px;padding:3px 9px;border-radius:20px;background:#1b1710;color:var(--gold);border:1px solid #3a2f1a}
.tag.dim{background:#131b24;color:var(--dim);border-color:var(--bd)}
.promptbox{position:relative;margin-top:20px}
.promptbox pre{padding:18px;white-space:pre-wrap;word-break:break-word;font-size:13.5px;line-height:1.8;color:#dcd8ce}
.copy{position:absolute;top:10px;right:10px;padding:4px 11px;border-radius:6px;cursor:pointer;
  background:#1c2833;color:var(--accent);border:1px solid #2e4152;font-size:12px}
.copy:hover{background:#243342}

/* search */
.bigq{display:flex;gap:10px;margin:10px 0 22px}
.bigq input{flex:1;padding:13px 16px;border-radius:9px;border:1px solid var(--bd);
  background:#0d141b;color:var(--tx);font-size:15px;outline:none}
.bigq input:focus{border-color:#3d566f}
.bigq button{padding:0 22px;border-radius:9px;border:1px solid #4a3b20;cursor:pointer;
  background:linear-gradient(145deg,#d8b26b,#a8813f);color:#1a1305;font-weight:600}
.tabs{display:flex;gap:6px;margin-bottom:26px;border-bottom:1px solid var(--bd);padding-bottom:12px}
.tabs a{font-size:13px;padding:5px 13px;border-radius:20px;color:var(--dim);border:1px solid transparent}
.tabs a.on{background:#1b1710;color:var(--gold);border-color:#3a2f1a}
.res{margin-bottom:38px}
.res h2{font-size:13px;color:var(--dim2);letter-spacing:1px;margin-bottom:12px;font-weight:500}
.hit{display:block;padding:14px 16px;border:1px solid var(--bd);border-radius:9px;
  background:var(--card);margin-bottom:9px;transition:.16s}
.hit:hover{border-color:#3d4f64;background:#151f29}
.hit .hl{display:flex;gap:10px;align-items:baseline}
.hit .hl b{font-size:14.5px}
.hit .src{font-size:11.5px;color:var(--gold);white-space:nowrap}
.hit p{font-size:13px;color:var(--dim);margin-top:6px;line-height:1.65}
.agrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.acell{background:var(--card);border:1px solid var(--bd);border-radius:8px;overflow:hidden;
  padding-bottom:9px;display:flex;flex-direction:column}
.acell img{width:100%;aspect-ratio:1;object-fit:cover;background:#0b1016}
.acell b{font-size:12.5px;padding:8px 10px 2px;font-weight:500}
.acell span{font-size:11px;color:var(--dim2);padding:0 10px}

/* panels & forms */
.panel{margin-top:34px;padding:22px;border:1px solid var(--bd);border-radius:12px;background:var(--bg2)}
.panel h2{font-size:15px;margin-bottom:14px;color:var(--gold);font-weight:600}
.panel h2:not(:first-child){margin-top:22px}
.panel p{margin:10px 0;font-size:14px;color:#cfcbc1}
.panel.warn{border-color:#4a3b20;background:#14110a}
.panel .dim,.dim{color:var(--dim2);font-size:13px}
.narrow{max-width:440px;margin:60px auto}
.stack{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.stack label{font-size:12.5px;color:var(--dim)}
input,select{padding:9px 12px;border-radius:8px;border:1px solid var(--bd);background:#0d141b;
  color:var(--tx);font-size:14px;outline:none}
input:focus{border-color:#3d566f}
button{padding:9px 18px;border-radius:8px;border:1px solid #3a2f1a;cursor:pointer;
  background:#1b1710;color:var(--gold);font-size:13.5px;font-weight:500}
button:hover{background:#241d12}
button.mini{padding:3px 10px;font-size:12px}
.inline{display:flex;gap:10px;margin-top:14px}
.tbl{width:100%;border-collapse:collapse;font-size:13.5px;margin-top:6px}
.tbl th,.tbl td{border-bottom:1px solid #1a232d;padding:9px 10px;text-align:left;vertical-align:top}
.tbl th{color:var(--dim2);font-weight:500;font-size:12px}
details{margin-top:16px}
summary{cursor:pointer;color:var(--accent);font-size:13px;padding:6px 0}
.err{color:#e08a7a;font-size:13.5px}

footer{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 34px;border-top:1px solid var(--bd);font-size:12px;color:var(--dim2)}

@media(max-width:760px){
  .top{flex-wrap:wrap;gap:12px;padding:12px 18px}
  .top nav{order:3;width:100%;overflow:auto}
  .q{margin-left:0;width:100%}
  .q input{width:100%}
  main{padding:26px 18px 60px}
  .hero h1{font-size:29px}
  .stat{gap:22px}
  .stat b{font-size:21px}
  .cards{grid-template-columns:1fr}
}