.banner_box {
	width: 100%;
	margin-top: 70px;
	height: auto;
	background: url(../img/gczl_banner.png) no-repeat center;
	background-size: cover;
	
}
.bzfw_part1{
	background:#fff;
}
.bzfw_part1:nth-child(odd) { 
	background: #fafafa;

}
.dxal_ul li { width: 276px; }

.yhal1 { background: url(../img/yhal1.png) no-repeat; background-size: 100% 100%; }
.yhal2 { background: url(../img/yhal2.png) no-repeat; background-size: 100% 100%; }
.yhal3 { background: url(../img/yhal3.png) no-repeat; background-size: 100% 100%; }
.yhal4 { background: url(../img/yhal4.png) no-repeat; background-size: 100% 100%; }


 

@media screen and (min-width: 970px) and (max-width: 1200px){

	.dxal_ul li {  width: 40%; }
}