:root {
  --bg: #0b1220;
  --panel: #121a2b;
  --line: #243044;
  --text: #e8eef8;
  --muted: #9aa8bd;
  --accent: #3b82f6;
  --accent-2: #22c55e;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}
a { color: #93c5fd; text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 20px; }
.topbar {
  border-bottom: 1px solid var(--line);
  background: rgba(11,18,32,.92);
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(8px);
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 60px; }
.brand { font-weight: 700; color: #fff; letter-spacing: .2px; }
.nav { display: flex; flex-wrap: wrap; gap: 14px; font-size: 14px; }
.nav a { color: var(--muted); }
.nav a:hover, .nav a.active { color: #fff; }
.hero {
  padding: 56px 0 28px;
  border-bottom: 1px solid var(--line);
  background: radial-gradient(800px 280px at 20% 0%, rgba(59,130,246,.18), transparent);
}
.hero h1 { margin: 0 0 12px; font-size: clamp(1.6rem, 3vw, 2.4rem); }
.hero p { color: var(--muted); max-width: 640px; }
.badge {
  display: inline-block; font-size: 12px; padding: 3px 10px; border-radius: 999px;
  background: #1d4ed8; color: #fff; margin-bottom: 12px;
}
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin: 28px 0; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px;
}
.card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.btn {
  display: inline-block; margin-top: 16px; padding: 10px 16px; border-radius: 8px;
  background: var(--accent); color: #fff !important; font-weight: 600; text-decoration: none !important;
}
.btn.secondary { background: transparent; border: 1px solid var(--line); color: var(--text) !important; }
main { padding: 28px 0 64px; }
.prose h2 { margin-top: 1.8em; }
.prose h3 { margin-top: 1.3em; }
.prose p, .prose li { color: #c5d0e0; }
.prose ul { padding-left: 1.2em; }
.meta { color: var(--muted); font-size: 13px; margin-bottom: 18px; }
.breadcrumbs { font-size: 13px; color: var(--muted); margin-bottom: 18px; }
.breadcrumbs a { color: var(--muted); }
.list { list-style: none; padding: 0; margin: 0; }
.list li { border-bottom: 1px solid var(--line); padding: 14px 0; }
.list .title { font-weight: 600; color: #fff; }
.list .desc { color: var(--muted); font-size: 14px; margin-top: 4px; }
.table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14px; }
.table th, .table td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }
.table th { background: #162033; }
footer {
  border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 13px;
}
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 18px; }
.footer-grid h4 { margin: 0 0 8px; color: #dbe7f8; font-size: 13px; }
.footer-grid a { display: block; color: var(--muted); margin: 4px 0; }
.note { font-size: 12px; color: #6b7a90; margin-top: 18px; }