ntro {
      background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
      border-left: 6px solid #2563eb;
      padding: 32px;
      margin-bottom: 48px;
      border-radius: 16px;
      box-shadow: 0 4px 16px rgba(37, 99, 235, 0.1);
      position: relative;
    }
    
    .intro::before {
      content: 'ü§ñ';
      position: absolute;
      top: 20px;
      right: 20px;
      font-size: 2rem;
      opacity: 0.4;
    }
    
    .intro p {
      color: #1e40af;
      font-weight: 600;
      f