body {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: #1c1c1c;
  background: #fafafa;
}
h1 {
  font-size: 1.75rem;
  margin-bottom: 0.25rem;
}
.effective-date {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 2rem;
}
h2 {
  font-size: 1.15rem;
  margin-top: 2rem;
  border-bottom: 1px solid #e2e2e2;
  padding-bottom: 0.35rem;
}
a {
  color: #4a6bff;
}
nav {
  margin-bottom: 2rem;
  font-size: 0.9rem;
}
nav a {
  margin-right: 1rem;
}
footer {
  margin-top: 3rem;
  font-size: 0.85rem;
  color: #888;
}