body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: #111;
  background: #fff;
  margin: 0;
}

main {
  max-width: 860px;
  margin: 0 auto;
  padding: 24px;
}

.topnav {
  display: flex;
  gap: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}

.topnav a {
  text-decoration: none;
  color: #0056d6;
}

.breadcrumbs {
  font-size: 0.85rem;
  color: #666;
  margin-bottom: 16px;
}

h1 {
  font-size: 2.1rem;
  margin-bottom: 8px;
}

h2 {
  margin-top: 36px;
}

h3 {
  margin-top: 16px;
}

.lede {
  font-size: 1.05rem;
  color: #333;
}

ul {
  margin-top: 6px;
}

a {
  color: #0056d6;
}

.hero {
  max-width: 100%;
  margin: 16px 0;
  border-radius: 6px;
}