:root {
  --bg: #fbfaf7;
  --text: #1f2328;
  --muted: #6b7280;
  --line: #e5e2da;
  --accent: #0f5c8a;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171a;
    --text: #e6e4df;
    --muted: #9aa0a6;
    --line: #2b2f36;
    --accent: #7cc0ea;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.65 Georgia, "Times New Roman", serif;
}
.wrap { max-width: 680px; margin: 0 auto; padding: 0 16px 64px; }
header { padding: 40px 0 24px; border-bottom: 1px solid var(--line); margin-bottom: 32px; }
header a { color: var(--text); text-decoration: none; font: 600 20px/1.2 system-ui, sans-serif; }
header p { margin: 6px 0 0; color: var(--muted); font: 15px/1.4 system-ui, sans-serif; }
h1 { font: 700 30px/1.25 system-ui, sans-serif; margin: 0 0 8px; }
h2 { font: 600 20px/1.3 system-ui, sans-serif; margin: 32px 0 8px; }
a { color: var(--accent); }
.date { color: var(--muted); font: 14px/1.4 system-ui, sans-serif; margin: 0 0 24px; }
.list { list-style: none; padding: 0; margin: 0; }
.list li { padding: 18px 0; border-bottom: 1px solid var(--line); }
.list a { font: 600 19px/1.3 system-ui, sans-serif; text-decoration: none; }
.list p { margin: 6px 0 0; color: var(--muted); font-size: 16px; }
table { border-collapse: collapse; margin: 16px 0; font: 15px/1.4 system-ui, sans-serif; }
td, th { border: 1px solid var(--line); padding: 6px 12px; text-align: right; }
th { text-align: center; }
code { font: 15px/1.4 Consolas, "Courier New", monospace; background: rgba(127, 127, 127, .14); padding: 1px 5px; border-radius: 3px; }
footer { margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font: 14px/1.4 system-ui, sans-serif; }