:root{
  --bg:#0b0f17; --bg2:#0e1420; --card:#121826; --card-border:#1f2937;
  --accent:#22d3ee; --accent2:#34d399; --flame1:#fb923c; --flame2:#ef4444;
  --text:#e5e7eb; --text-dim:#9ca3af; --text-dim2:#6b7280;
}
*{box-sizing:border-box; margin:0; padding:0;}
body{
  background:var(--bg); color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  line-height:1.6;
}
.wrap{max-width:760px; margin:0 auto; padding:0 20px;}
a{color:var(--accent);}
header{
  position:sticky; top:0; z-index:50;
  background:rgba(11,15,23,0.85); backdrop-filter:blur(10px);
  border-bottom:1px solid var(--card-border);
}
.nav{display:flex; align-items:center; justify-content:space-between; padding:14px 0;}
.brand{display:flex; align-items:center; gap:10px; font-weight:800; font-size:19px;}
.brand svg{width:30px; height:30px;}
.brand a{color:var(--text); text-decoration:none; display:flex; align-items:center; gap:10px;}
.btn{
  display:inline-flex; align-items:center; gap:8px; padding:10px 18px; border-radius:10px;
  font-weight:700; font-size:13.5px; background:linear-gradient(135deg,var(--flame1),var(--flame2));
  color:#170a04; text-decoration:none;
}
main{padding:48px 0 70px;}
.doc-header{margin-bottom:36px;}
.doc-header .tag{color:var(--accent); font-weight:700; font-size:12.5px; text-transform:uppercase; letter-spacing:.06em;}
.doc-header h1{font-size:30px; font-weight:800; margin:10px 0 8px; letter-spacing:-0.01em;}
.doc-header .updated{color:var(--text-dim2); font-size:13px;}
section.block{margin-bottom:30px;}
section.block h2{font-size:17px; font-weight:700; margin-bottom:10px; color:var(--text);}
section.block p, section.block li{color:var(--text-dim); font-size:14.5px; margin-bottom:8px;}
section.block ul{padding-left:20px;}
.notice{
  background:rgba(34,211,238,0.08); border:1px solid rgba(34,211,238,0.25); border-radius:12px;
  padding:14px 16px; font-size:13.5px; color:var(--text-dim); margin-bottom:32px;
}
footer{padding:30px 0; border-top:1px solid var(--card-border);}
.footer-links{display:flex; gap:20px; font-size:13px; color:var(--text-dim); flex-wrap:wrap;}
.footer-links a{color:var(--text-dim); text-decoration:none;}
.footer-links a:hover{color:var(--text);}
.footer-copy{font-size:12px; color:var(--text-dim2); margin-top:16px;}