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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #f9f9f9;
  color: #1a1a1a;
  line-height: 1.6;
}

.container {
  max-width: 800px;
  margin: 40px auto;
  padding: 20px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

header h1 {
  color: #333;
  margin-bottom: 8px;
}

header p {
  color: #666;
  font-size: 16px;
}

section {
  margin: 30px 0;
}

h2 {
  color: #2c5282;
  border-bottom: 2px solid #e2e8f0;
  padding-bottom: 8px;
  margin-bottom: 16px;
}

ul {
  margin: 16px 0 16px 20px;
}

li {
  margin: 8px 0;
}

pre {
  background: #f1f1f1;
  padding: 12px;
  border-radius: 6px;
  overflow-x: auto;
  font-family: 'Courier New', monospace;
  font-size: 14px;
}

footer {
  margin-top: 40px;
  color: #777;
  font-size: 14px;
  text-align: center;
}

a {
  color: #3182ce;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}