@media screen and (max-width:768px) {
	.wmdgyl img{
		margin: 20px auto 40px auto;
	}
	.czk_bg{
		background: url(../images/chongzhika/chongzhika.png) no-repeat 50% 0px;
		background-size: 110%;
		height: 360px;
	}
}

@media screen and (min-width:769px) {
	.wmdgyl img{
		margin: 20px auto 60px auto;
	}
	.czk_bg{
		background: url(../images/chongzhika/chongzhika.png) no-repeat 50% 0px;
		background-size: 100%;
		height: 600px;
	}

}
.wmdgyl{
	text-align: center;
}