:root {
  --ink: #0b1220;
  --muted: #5b6475;
  --accent: #2b59c3;
  --navy: #0f2459;
  --line: #dfe2ea;
  --fill: #f4f6fa;
  --bg: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eef1f7;
    --muted: #a3abbb;
    --accent: #8fb0ff;
    --navy: #0f2459;
    --line: #2a3346;
    --fill: #161d2c;
    --bg: #0b1220;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 32px 20px 64px; }
header.site { max-width: 720px; margin: 0 auto; padding: 20px 20px 0; display: flex; align-items: center; gap: 10px; }
header.site a { color: var(--ink); text-decoration: none; font-weight: 700; font-size: 20px; }
header.site img { width: 32px; height: 32px; border-radius: 8px; }
h1 { font-size: 34px; line-height: 1.15; letter-spacing: -0.5px; margin: 24px 0 8px; }
h2 { font-size: 22px; margin: 36px 0 8px; }
h3 { font-size: 18px; margin: 24px 0 4px; }
p, li { color: var(--ink); }
.lead { font-size: 20px; color: var(--muted); }
.muted { color: var(--muted); font-size: 15px; }
a { color: var(--accent); }
ul { padding-left: 22px; }
table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 10px 8px; border-top: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; }
.card { background: var(--fill); border-radius: 18px; padding: 18px 20px; margin: 18px 0; }
.button { display: inline-block; background: var(--accent); color: #fff; text-decoration: none; font-weight: 600; padding: 12px 22px; border-radius: 26px; }
footer { max-width: 720px; margin: 0 auto; padding: 24px 20px 48px; border-top: 1px solid var(--line); font-size: 15px; color: var(--muted); }
footer a { color: var(--muted); margin-right: 16px; }