* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: #1a1a1a;
  background-color: #f5f5f5;
  padding: 1rem;
}
.container {
  max-width: 800px;
  margin: 0 auto;
  background-color: #ffffff;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
h1 {
  margin-bottom: 0.5rem;
  font-size: 2rem;
}
h2 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}
p {
  margin-bottom: 1rem;
  color: #4a4a4a;
}
strong {
  color: #1a1a1a;
}
ul,
ol {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}
li {
  margin-bottom: 0.5rem;
  color: #4a4a4a;
}
.last-updated {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 2rem;
}
@media (max-width: 640px) {
  .container {
    padding: 1.5rem;
  }
  h1 {
    font-size: 1.5rem;
  }
  h2 {
    font-size: 1.25rem;
  }
}