:root {
  color-scheme: light dark;
  --ink: #2b2b33;
  --muted: #6b6b76;
  --bg: #faf7f2;
  --card: #ffffff;
  --accent: #ff8a3d;
  --line: #e8e2d8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #ecebf0;
    --muted: #a3a2ad;
    --bg: #1c1c21;
    --card: #26262d;
    --line: #3a3a43;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
header, main, footer { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header { display: flex; align-items: center; gap: 12px; padding-top: 28px; }
header img { width: 48px; height: 48px; border-radius: 11px; }
header .name { font-weight: 600; font-size: 18px; }
header nav { margin-left: auto; font-size: 14px; }
main { background: var(--card); border: 1px solid var(--line); border-radius: 16px; margin-top: 20px; padding: 8px 28px 28px; }
h1 { font-size: 26px; margin: 20px 0 4px; }
h2 { font-size: 19px; margin: 28px 0 8px; }
h3 { font-size: 16px; margin: 20px 0 4px; }
p, li { margin: 6px 0; }
ul { padding-left: 22px; }
a { color: var(--accent); }
.meta { color: var(--muted); font-size: 14px; margin: 0 0 12px; }
table { border-collapse: collapse; width: 100%; font-size: 15px; margin: 8px 0; }
th, td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
th { background: color-mix(in srgb, var(--line) 40%, transparent); }
footer { color: var(--muted); font-size: 13px; padding: 20px; text-align: center; }
footer a { color: inherit; }