.img{
  display: block;
  width: 100%;
  max-height: 100%;
}
.btn{
  position: fixed;
  left: 32rpx;
  right: 32rpx;
  bottom: 72rpx;
  line-height: 88rpx;
  color: #fff;
  font-size: 18px;
  border-radius: 20rpx;
  text-align: center;
  background-color: rgb(1,199,198);
}