.article-content {
    max-width: 800px;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
  }
  
  .code-example {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    padding: 20px;
    margin: 20px 0;
  }
  
  .code-example pre {
    margin: 0;
    background: none;
    padding: 0;
  }
  
  .code-example code {
    background: none;
    padding: 0;
    color: #2d3748;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 14px;
  }
  
  .demo-container {
    margin: 25px 0;
  }
  
  .demo-container p em {
    color: #666;
    font-size: 14px;
  }
  
  h2 {
    color: #2d3748;
    margin-top: 40px;
    margin-bottom: 20px;
    font-size: 28px;
  }
  
  h3 {
    color: #4a5568;
    margin-top: 30px;
    margin-bottom: 15px;
    font-size: 22px;
  }
  
  h4 {
    color: #718096;
    margin-top: 25px;
    margin-bottom: 12px;
    font-size: 18px;
  }
  
  code {
    background: #f1f5f9;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 14px;
    color: #e53e3e;
  }

  ul {
    padding-left: 20px;
  }
  
  li {
    margin-bottom: 8px;
  }