:root {
  --bg: #0b0f14;
  --panel: #121922;
  --text: #e7edf5;
  --muted: #a7b3c2;
  --line: #243244;
  --link: #8ec5ff;
  --accent: #1f8fff;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: linear-gradient(180deg, #0b0f14 0%, #0d1219 100%);
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
.container {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
}
header {
  border-bottom: 1px solid var(--line);
  background: rgba(11, 15, 20, 0.9);
  backdrop-filter: blur(10px);
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 0;
}
.brand {
  font-weight: 700;
  letter-spacing: 0.02em;
}
.nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
main { padding: 32px 0 48px; }
.hero {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  margin-bottom: 24px;
}
.hero h1 { margin: 0 0 8px; font-size: clamp(1.8rem, 3vw, 2.4rem); }
.hero p { margin: 0; color: var(--muted); }
section.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  margin: 0 0 16px;
}
section.card h2 { margin-top: 0; font-size: 1.25rem; }
section.card h3 { margin-top: 1.25rem; font-size: 1rem; }
ul, ol { padding-left: 20px; }
code, .pill {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 2px 8px;
}
.notice {
  border-left: 4px solid var(--accent);
  padding: 12px 14px;
  background: rgba(31, 143, 255, 0.08);
  color: var(--text);
  border-radius: 10px;
}
footer.site-footer {
  border-top: 1px solid var(--line);
  padding: 24px 0 48px;
  color: var(--muted);
}
.footer-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.small { font-size: 0.94rem; color: var(--muted); }
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
}
th, td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}
th { background: rgba(255,255,255,0.04); }
@media (max-width: 700px) {
  .header-inner { align-items: flex-start; flex-direction: column; }
}