:root {
  --bg: #ffffff;
  --text: #1c1c1e;
  --muted: #5f6368;
  --rule: #e3e3e6;
  --accent: #00727a;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111214;
    --text: #ececee;
    --muted: #a1a1a8;
    --rule: #2c2d31;
    --accent: #4fc3c9;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}
main { max-width: 680px; margin: 0 auto; padding: 40px 16px 64px; }
header { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; }
header img { width: 56px; height: 56px; border-radius: 13px; }
header .app { font-weight: 600; font-size: 19px; line-height: 1.2; }
header .app span { display: block; font-weight: 400; font-size: 15px; color: var(--muted); }
h1 { font-size: 30px; line-height: 1.2; margin: 0 0 6px; }
h2 { font-size: 20px; margin: 34px 0 8px; }
p, li { margin: 0 0 10px; }
ul { padding-left: 22px; }
a { color: var(--accent); }
.updated { color: var(--muted); margin-bottom: 24px; }
address { font-style: normal; }
footer { margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--rule); color: var(--muted); font-size: 15px; }
footer a { margin-right: 16px; }