<style>
  /* Estilos customizados */
  .custom-help-center {
    background-color: #f5f5f5;
    padding: 40px 20px;
  }
  
  .custom-columns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
  }
  
  .custom-column {
    background: white;
    padding: 20px;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  }
  
  .custom-column h3 {
    color: #2c3e50;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
    margin-bottom: 15px;
  }
  
  .custom-column a {
    color: #3498db;
    text-decoration: underline;
    display: block;
    margin: 10px 0;
    font-size: 14px;
  }
  
  .custom-column a:before {
    content: "📄 ";
    margin-right: 5px;
  }
  
  @media (max-width: 768px) {
    .custom-columns {
      grid-template-columns: 1fr;
    }
  }
</style>