:root {
    --primary-color: #2c3e50;
    --accent-color: #3498db;
    --text-color: #333;
    --bg-color: #f9f9f9;
  }
  
  body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--bg-color);
    margin: 0;
    padding: 20px;
  }
  
  .container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  }
  
  h1 {
    color: var(--primary-color);
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 1rem;
  }
  
  .section {
    margin-bottom: 2rem;
  }
  
  h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
  }
  
  .feature-list {
    list-style: none;
    padding: 0;
  }
  
  .feature-list li {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
  }
  
  .feature-list li::before {
    content: "→";
    color: var(--accent-color);
    position: absolute;
    left: 0;
  }
  
  code {
    background: #f0f0f0;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Consolas', monospace;
  }
  
  .usage-example {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 4px;
    border-left: 4px solid var(--accent-color);
    margin: 1rem 0;
  }
  
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }
  
  .container {
    animation: fadeIn 0.8s ease-out;
  }