#popup-envios-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.8);
  z-index: 999999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 15px;
  cursor: pointer; /* Indica que se puede hacer clic para salir */
}
#popup-envios {
  position: relative;
  max-width: 100%;
}
#popup-envios img {
  display: block;
  max-width: 90vw;
  max-height: 85vh;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.5);
}
#popup-envios-close {
  position: absolute;
  top: -20px;
  right: -20px;
  background: #000;
  color: #fff;
  font-size: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  text-align: center;
  line-height: 44px;
  cursor: pointer;
  border: 2px solid #fff;
  z-index: 1000000;
}
@media (max-width: 600px) {
  #popup-envios-close {
    top: -10px;
    right: -10px;
    width: 40px;
    height: 40px;
    line-height: 36px;
    font-size: 26px;
  }
}