* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
     
    body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.8;
      background: #f5f5f5;
      padding: 20px;
      color: #333;
    }
     
    .container {
      max-width: 1000px;
      margin: 0 auto;
      background: white;
      padding: 50px;
      border-radius: 10px;
      box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    }
     
    h1 {
      color: #2c3e50;
      font-size: 2.2em;
      margin-bottom: 15px;
      border-bottom: 3px solid #e67e22;
      padding-bottom: 15px;
    }
     
    h2 {
      color: #34495e;
      font-size: 1.8em;
      margin: 35px 0 20px 0;
      border-bottom: 2px solid #3498db;
      padding-bottom: 10px;
    }
     
    h3 {
      color: #e67e22;
      font-size: 1.4em;
      margin: 25px 0 15px 0;
    }
     
    h4 {
      color: #2980b9;
      font-size: 1.2em;
      margin: 20px 0 10px 0;
    }
     
    p {
      margin-bottom: 15px;
      line-height: 1.8;
      text-align: justify;
    }
     
    strong {
      color: #2c3e50;
      font-weight: 600;
    }
     
    ul {
      margin: 15px 0 15px 30px;
    }
     
    ul li {
      margin-bottom: 12px;
      line-height: 1.7;
    }
     
    .specs-list {
      background: #ecf0f1;
      padding: 25px;
      border-radius: 8px;
      margin: 20px 0;
      border-right: 5px solid #3498db;
    }
     
    .specs-list p {
      margin-bottom: 10px;
      font-size: 1.05em;
    }
     
    .benefits-list {
      background: #d4edda;
      padding: 25px;
      border-radius: 8px;
      margin: 20px 0;
      border-right: 5px solid #28a745;
    }
     
    .benefits-list p {
      margin-bottom: 15px;
      line-height: 1.8;
    }
     
    .benefits-list strong {
      color: #155724;
    }
     
    .recommendations {
      background: #fff3cd;
      padding: 25px;
      border-radius: 8px;
      margin: 20px 0;
      border-right: 5px solid #ffc107;
    }
     
    .faq {
      background: #d1ecf1;
      padding: 25px;
      border-radius: 8px;
      margin: 20px 0;
      border-right: 5px solid #17a2b8;
    }
     
    .faq strong {
      color: #0c5460;
      display: block;
      margin-top: 15px;
      margin-bottom: 8px;
      font-size: 1.1em;
    }
     
    .shipping {
      background: #f8d7da;
      padding: 25px;
      border-radius: 8px;
      margin: 20px 0;
      border-right: 5px solid #dc3545;
    }
     
    .cta {
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      color: white;
      padding: 40px;
      border-radius: 10px;
      text-align: center;
      margin: 30px 0;
    }
     
    .cta h2 {
      color: white;
      border: none;
      margin-bottom: 20px;
    }
     
    .cta p {
      font-size: 1.2em;
      margin: 10px 0;
      text-align: center;
    }
     
    .highlight {
      background: #fff9c4;
      padding: 2px 6px;
      border-radius: 3px;
    }
     
    @media (max-width: 768px) {
      .container {
        padding: 25px;
      }
       
      h1 {
        font-size: 1.6em;
      }
       
      h2 {
        font-size: 1.4em;
      }
    }