/* Botão flutuante único sem mensagem */
  .floating-btn {
    position: fixed;
    right: 15px;
    bottom: 15px;
    z-index: 1001;
    margin: 0 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    background: white;
    color: black;
    font-size: 40px;
    text-decoration: none;
    border-radius: 200px !important;
    box-shadow: 1px 1px 4px rgba(60, 60, 60, 0.4);
    transition: box-shadow 0.2s, bottom 0.2s;
  }
  
  .floating-btn:hover {
    bottom: 17px;
  }
  
  .floating-btn:active {
    box-shadow: none;
  }
  
  .floating-btn p {
    font-family: Arial, sans-serif;
    font-weight: 900;
    text-transform: uppercase;
    color: #fff;
  }
  
  .floating-btn img {
    width: 100%;
    height: 100%;
  }