.modal {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0,0,0,0.7);
}

.modal-conteudo {
  background-color: #fff;
  margin: 10% auto;
  padding: 20px;
  border-radius: 8px;
  width: 90%;
  max-width: 400px;
  box-shadow: 0 0 10px #000;
  animation: aparecer 0.3s ease-in-out;
}

.modal-conteudo h3 {
  margin-top: 0;
  text-align: center;
}

.modal-conteudo ul {
  list-style: none;
  padding: 0;
}

.modal-conteudo ul li {
  margin: 10px 0;
  text-align: center;
}

.modal-conteudo ul li a {
  text-decoration: none;
  color: #007bff;
  font-weight: bold;
}

.modal-conteudo ul li a:hover {
  text-decoration: underline;
}

.fechar {
  float: right;
  font-size: 24px;
  cursor: pointer;
}

@keyframes aparecer {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}