:root {
  --ink: #1d2340;
  --muted: #5b6380;
  --bg: #fff8f0;
  --card: #ffffff;
  --accent: #f06a28;
  --line: #e7e1d8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f3f1ec;
    --muted: #b6b9c8;
    --bg: #161a2e;
    --card: #1f2440;
    --accent: #ff8a4c;
    --line: #2f355a;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 32px 16px 64px; }
header { display: flex; align-items: center; gap: 14px; margin-bottom: 8px; }
header img { width: 48px; height: 48px; }
h1 { font-size: 30px; line-height: 1.2; margin: 0; }
h2 { font-size: 21px; margin: 32px 0 8px; }
p, li { color: var(--ink); }
.muted { color: var(--muted); font-size: 15px; }
.lang { margin: 16px 0 24px; font-size: 15px; }
.lang a { color: var(--accent); margin-right: 16px; }
a { color: var(--accent); }
section { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 8px 22px 22px; margin-top: 28px; }
ul { padding-left: 22px; }