:root {
  --bg: #ffffff;
  --fg: #16181d;
  --muted: #5b6472;
  --line: #e3e6ea;
  --accent: #1f6feb;
  --card: #f7f8fa;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1116;
    --fg: #e7eaf0;
    --muted: #9aa4b2;
    --line: #232a33;
    --accent: #6ea8fe;
    --card: #161b22;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 48px 24px 80px; }
header.site { display: flex; align-items: center; gap: 12px; margin-bottom: 40px; }
header.site .mark {
  width: 36px; height: 36px; border-radius: 9px;
  background: var(--accent); color: #fff;
  display: grid; place-items: center; font-weight: 700; font-size: 18px;
}
header.site .name { font-weight: 650; font-size: 17px; letter-spacing: -0.01em; }
h1 { font-size: 30px; line-height: 1.25; letter-spacing: -0.02em; margin: 0 0 8px; }
h2 { font-size: 19px; letter-spacing: -0.01em; margin: 36px 0 10px; }
p, li { color: var(--fg); }
.lede { color: var(--muted); font-size: 17px; margin: 0 0 8px; }
.updated { color: var(--muted); font-size: 14px; margin: 0 0 32px; }
ul { padding-left: 22px; }
li { margin: 6px 0; }
a { color: var(--accent); }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; padding: 18px 20px; margin: 20px 0;
}
.card p:first-child { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }
footer.site {
  margin-top: 56px; padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted); font-size: 14px;
  display: flex; gap: 18px; flex-wrap: wrap;
}
.disclaimer { color: var(--muted); font-size: 13px; margin-top: 14px; }
table { border-collapse: collapse; width: 100%; margin: 16px 0; font-size: 15px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }