.wjs_banner .pc_imgBox{
	display: block;
	width: 100%;
	height: 400px;
	background-repeat: no-repeat;
	background-position: center center;
	background-size: cover;
}
.wjs_banner .mb_imgBox{
	display: block;
	width: 100%;
}
.wjs_banner .mb_imgBox > img{
	display: block;
	width: 100%;
}