body {
  margin: 0;
  padding: 48px 24px;
  font-family: system-ui, sans-serif;
  background: #fff;
  color: #000;
  line-height: 1.7;
  overflow-y: scroll;
}

.doc {
  max-width: 720px;
  margin: 0 auto;
}

.doc header {
  border-bottom: 1px solid #000;
  padding-bottom: 24px;
  margin-bottom: 40px;
}

.doc header .brand {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  color: #000;
}

.doc header h1 {
  margin: 12px 0 4px;
  font-size: 32px;
}

.doc header .meta {
  font-size: 13px;
  color: #666;
}

h2 {
  font-size: 18px;
  margin: 36px 0 8px;
}

p {
  margin: 0 0 16px;
}

ul {
  margin: 0 0 16px;
  padding-left: 24px;
}

li {
  margin-bottom: 6px;
}

a {
  color: #0066cc;
}

a:visited {
  color: #551a8b;
}

.doc-nav {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid #eee;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  font-size: 14px;
}

footer {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid #eee;
  font-size: 13px;
  color: #888;
}