* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

html,
body {
  max-width: 100vw;
  overflow-x: hidden;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: #333;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: #2563eb;
}

h2 {
  font-size: 1.5rem;
  margin: 2rem 0 1rem 0;
  color: #1f2937;
}

p {
  margin-bottom: 1rem;
}

a {
  color: #2563eb;
  text-decoration: underline;
}

a:hover {
  text-decoration: none;
}

code {
  background: #f3f4f6;
  padding: 0.2rem 0.4rem;
  border-radius: 0.25rem;
  font-family: 'SF Mono', Consolas, monospace;
  font-size: 0.875rem;
}

section {
  margin: 2rem 0;
}

ul {
  padding-left: 2rem;
}

li {
  margin: 0.5rem 0;
}

footer {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid #e5e7eb;
  color: #6b7280;
}