:root{
  --bg:#0b1220;
  --panel:#101a2d;
  --text:#e8eefc;
  --muted:#b8c4e6;
  --accent:#7aa2ff;
  --accent2:#9dffca;
  --border:rgba(255,255,255,0.10);
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background: radial-gradient(1200px 700px at 20% 0%, #162447 0%, var(--bg) 55%);
  color:var(--text);
  line-height:1.5;
}
.wrap{max-width:1100px;margin:0 auto;padding:24px}
.hero{padding:44px 0 28px;border-bottom:1px solid var(--border)}
.hero h1{font-size:42px;letter-spacing:-0.03em;margin:0 0 6px}
.sub{color:var(--muted);margin:0 0 24px;font-size:18px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.card{
  text-decoration:none;color:inherit;
  background:linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border:1px solid var(--border);
  border-radius:16px;
  padding:18px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  transition: transform .15s ease, border-color .15s ease;
}
.card:hover{transform:translateY(-2px);border-color:rgba(122,162,255,0.35)}
.tag{
  display:inline-block;padding:4px 10px;border-radius:999px;font-size:12px;
  border:1px solid rgba(122,162,255,0.35);color:var(--accent);margin-bottom:10px;
}
.card h2{margin:6px 0 6px;font-size:18px}
.card p{margin:0 0 14px;color:var(--muted)}
.btn{
  display:inline-block;padding:10px 12px;border-radius:12px;
  background: rgba(122,162,255,0.18);
  border:1px solid rgba(122,162,255,0.35);
  color:var(--text);font-weight:600;
}
.panel{
  background: rgba(16,26,45,0.75);
  border:1px solid var(--border);
  border-radius:16px;
  padding:18px;
  margin:16px 0;
  box-shadow: 0 10px 24px rgba(0,0,0,0.18);
}
.panel h2{margin:0 0 10px}
.panel ol, .panel ul{color:var(--muted)}
code{color:var(--accent2)}
pre{
  background: rgba(0,0,0,0.35);
  border:1px solid rgba(255,255,255,0.10);
  border-radius:14px;
  padding:14px;
  overflow:auto;
}
.note{color:var(--muted);margin-top:8px}
.foot{color:var(--muted);padding:20px 0 40px;border-top:1px solid var(--border);margin-top:22px}