head.wxss

.head{
	position: fixed;
	width: 750rpx;
	z-index: 888;
	align-items: center;
}
.title{
	position: fixed;
	width: 750rpx;
	text-align: center;
	line-height: 32px;
	height: 32px;
}
.back{
	position: fixed;
	width: 81rpx;
	text-align: center;
	line-height: 32px;
	height: 32px;
	font-size: 32rpx;
	font-weight: 900;
	z-index: 9;
	align-items: center;
}