body {
  font-family: system-ui, sans-serif;
  line-height: 1.6;
  padding: 2rem;
  max-width: 800px;
  margin: auto;
  background: #fefefe;
  color: #333;
}

h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

h2 {
  margin-top: 2rem;
  font-size: 1.4rem;
  color: #444;
}

ul {
  padding-left: 1.5rem;
}

code {
  background: #f3f3f3;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
}