.btn{
width: 310rpx;
height: 98rpx;
line-height: 98rpx;
color: #FFFFFF;
background-color: #8c8c9b;
border-radius: 30rpx;
text-align: center;
font-size: 36rpx;
}
.buy-btn{
background: linear-gradient(to right, #ff3772 0%,#fd5548 100%);