:root {
  color-scheme: light dark;
  --bg: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --muted: #52514e;
  --border: rgba(11, 11, 11, 0.12);
  --accent: #2a78d6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0d0d;
    --surface: #1a1a19;
    --ink: #ffffff;
    --muted: #c3c2b7;
    --border: rgba(255, 255, 255, 0.14);
    --accent: #3987e5;
  }
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  line-height: 1.6;
  font-size: 15px;
}
.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 20px 80px;
}
.back {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--accent);
  text-decoration: none;
  font-size: 14px;
}
.back:hover {
  text-decoration: underline;
}
h1 {
  font-size: 26px;
  letter-spacing: -0.01em;
  margin: 0 0 4px;
}
.updated {
  color: var(--muted);
  font-size: 13px;
  margin: 0 0 28px;
}
h2 {
  font-size: 17px;
  margin: 28px 0 8px;
}
p,
li {
  color: var(--ink);
}
a {
  color: var(--accent);
}
.muted,
.muted * {
  color: var(--muted);
  font-size: 13px;
}
ul {
  padding-left: 20px;
}
li {
  margin: 4px 0;
}
hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}