body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  color: #333;
  background-color: #fff;
}

h1 {
  color: #1a1a1a;
  border-bottom: 2px solid #0a7ea4;
  padding-bottom: 10px;
}

h2 {
  color: #2a2a2a;
  margin-top: 30px;
}

h3 {
  color: #3a3a3a;
}

a {
  color: #0a7ea4;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

th, td {
  border: 1px solid #ddd;
  padding: 12px;
  text-align: left;
}

th {
  background-color: #f5f5f5;
}

code {
  background-color: #f5f5f5;
  padding: 2px 6px;
  border-radius: 4px;
}

blockquote {
  border-left: 4px solid #0a7ea4;
  margin: 20px 0;
  padding-left: 20px;
  color: #666;
}

hr {
  border: none;
  border-top: 1px solid #ddd;
  margin: 30px 0;
}

@media (max-width: 600px) {
  body {
    padding: 15px;
  }
}