.full_screen{
	position: fixed;left: 0;top: 0;
	z-index: 1000000000000;
	background-color: rgba(0,0,0,0.4);
	width: 100%;
	height: 100%;
	background-position: center;
	background-size: 100% 100%;
	background-repeat: no-repeat;
}
.skip_box{
        float: right;  margin-top: 10rpx;  margin-right: 10rpx;
        background-color: gainsboro;  width: 120rpx;
        height: 48rpx;  font-size: 28rpx;  line-height: 48rpx;
        text-align: center;  border-radius: 20rpx;
 }