.header{
	background: url('/newmoban/_external/demo.mobanwang.com/mb/lo202304/202304048/html/assets/images/header.png');
	background-repeat: no-repeat;
	background-position: center center;
	background-size: cover;
	background-attachment: fixed;
	height: 100vh;
	color: #fff;
	text-transform: uppercase;
}