:root {
  --ground: #eef1f3;
  --surface: #ffffff;
  --text: #0e1418;
  --muted: #55636c;
  --line: #d9dfe3;
  --accent: #0a8fb5;
  --accent-ink: #ffffff;
  --sos: #d1352b;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ground: #0d1114;
    --surface: #161c20;
    --text: #e9eef1;
    --muted: #93a1aa;
    --line: #26313a;
    --accent: #22c7ee;
    --accent-ink: #062a35;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--text);
  font-family: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}
a { color: var(--accent); }
.wrap { max-width: 760px; margin: 0 auto; padding: 32px 16px 64px; }
header.site { display: flex; align-items: center; gap: 12px; margin-bottom: 32px; }
header.site img { width: 44px; height: 44px; border-radius: 11px; }
header.site a { color: var(--text); text-decoration: none; font-family: 'Space Grotesk', system-ui, sans-serif; font-weight: 700; letter-spacing: 4px; font-size: 18px; }
h1, h2, h3 { font-family: 'Space Grotesk', system-ui, sans-serif; line-height: 1.2; }
h1 { font-size: clamp(30px, 6vw, 42px); margin: 0 0 12px; }
h2 { font-size: 22px; margin: 36px 0 8px; }
h3 { font-size: 18px; margin: 24px 0 4px; }
.lead { color: var(--muted); font-size: 19px; margin: 0 0 28px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 20px 22px; margin: 16px 0; }
.card h2:first-child, .card h3:first-child { margin-top: 0; }
.features { display: grid; gap: 12px; padding: 0; list-style: none; }
.features li { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 14px 18px; }
.button { display: inline-block; background: var(--accent); color: var(--accent-ink); text-decoration: none; font-weight: 600; padding: 14px 22px; border-radius: 12px; }
.danger { color: var(--sos); }
.meta { color: var(--muted); font-size: 15px; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 10px 8px; border-bottom: 1px solid var(--line); }
th { font-weight: 600; }
.table-scroll { overflow-x: auto; }
footer.site { margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 15px; display: flex; flex-wrap: wrap; gap: 16px; }
footer.site a { color: var(--muted); }
ol li, ul li { margin: 6px 0; }