:root {
  --bg: #f6f5f8;
  --card: #ffffff;
  --text: #1c1b1f;
  --muted: #6b6870;
  --accent: #e8457c;
  --line: #e6e3ea;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121114;
    --card: #1d1c21;
    --text: #f2f0f5;
    --muted: #a7a3ad;
    --accent: #ff6d9c;
    --line: #2d2b32;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  padding: 32px 16px 64px;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
}
main { max-width: 720px; margin: 0 auto; }
header { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
header img { width: 64px; height: 64px; border-radius: 15px; }
h1 { font-size: 28px; line-height: 1.2; margin: 0; }
h2 { font-size: 21px; margin: 32px 0 8px; }
h3 { font-size: 17px; margin: 20px 0 4px; }
p, li { color: var(--text); }
.muted { color: var(--muted); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 20px 22px; margin: 16px 0; }
.lang { display: flex; gap: 12px; font-size: 15px; margin-bottom: 8px; }
a { color: var(--accent); }
hr { border: none; border-top: 1px solid var(--line); margin: 40px 0; }
ul { padding-left: 20px; }