page::after{
  content: '';
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  height:1rpx;
  background: transparent;
  box-shadow:0rpx -2rpx 20rpx 2rpx rgba(165,165,165,0.34);
  z-index: 9999;
}

page::before{
    height: 0rpx;
}