适配iphoneX

@media only screen and (device-width: 375px) and (device-height: 812px) and (-webkit-device-pixel-ratio: 3){
  .buyBtn{
    height: 70px;
  }
  .go-pay{
    height: 363px;
  }
  /* .go-pay{
    height: 304px;
  } */
  .go-pay .total{
    height: 70px;
  }
  .total .payment{
    height: 70px;
  }
}