<style>
    /* Botón flotante */
    .whatsapp-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: #25D366;
      color: white;
      border: none;
      border-radius: 50%;
      width: 60px;
      height: 60px;
      font-size: 30px;
      text-align: center;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      cursor: pointer;
      z-index: 1000;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    /* Widget simulado */
    .whatsapp-widget {
      position: fixed;
      bottom: 90px;
      right: 20px;
      width: 300px;
      background-color: white;
      border-radius: 10px;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
      padding: 15px;
      display: none;
      z-index: 1000;
    }

    .whatsapp-widget p {
      margin: 0;
      font-family: sans-serif;
      font-size: 14px;
    }

    .whatsapp-widget .header {
      font-weight: bold;
      margin-bottom: 10px;
    }
  </style>