@charset "utf-8";
body{
	background: #f4f4f4;
}
.page_number_con{
	margin-top: 75px;
}
/*banner*/
.banner .banner_img{
	opacity: 0.57;
}
.banner_title{
	text-align: center;
	color:#fff;
	font-size: 65px;
}

.cs_inner{
	width: 73%;
	margin: auto;
}
.cs1_box{
	width: 100%;
	margin-bottom: 90px;
	overflow: hidden;
}
.cs1_box .cs1_inner{
	overflow: hidden;
}
.cs1_box .cs1_nav{
	width: calc((100% - 72px) / 3);
	height: 300px;
	background: #fff;
	margin-right: 36px;
	margin-top: 180px;
	position: relative;
	float: left;
	display: block;
	color:#222;
}
.cs1_box .cs1_nav:nth-child(3n){
	margin-right: 0;
}
.cs1_box .cs1_title{
	font-size: 50px;
	margin-top: 76px;
	margin-bottom: 12px;
}
.cs1_box .cs1_content{
	font-size: 20px;
}
.cs1_box .cs1_nav .cs1_nav_inner{
	width: 86%;
	margin: auto;
}
.cs1_box .cs1_nav .cs1_nav_img{
	position: relative;
	width: 100%;
	position: absolute;
	left: 0;
	top: -115px;
	z-index: 10;
	height: 230px;
	overflow: hidden;
}
.cs1_box .cs1_nav .cs1_nav_img .img{
	width: 86%;
	height: 100%;
/*	-webkit-transition: 0.8s all;
	transition: 0.8s all;*/
	margin: auto;
}
/*.cs1_box .cs1_nav:hover .cs1_nav_img .img{
	width: 100%;
}*/
.cs1_box .cs1_nav .cs1_nav_title{
	font-size: 24px;
	padding-top: 140px;
}
.cs1_box .cs1_nav:hover .cs1_nav_title{
	color:#b78f5a;
}
.cs1_box .cs1_nav .cs1_nav_suttitle{
	background: url(../img/case_study_car.png) no-repeat left center;
	background-size: 23px 13px;
	padding-left: 30px;
	font-size: 16px;
	margin-top: 20px;
	margin-bottom: 12px;
}
.cs1_box .cs1_nav .cs1_nav_content{
	font-size: 16px;
	line-height: 20px;
}
/*响应式适配*/

@media screen and (max-width: 1861px) {
	
}
@media screen and (max-width: 1681px) {
	
}
@media screen and (max-width: 1440px) {
	.cs_inner{
		width: 80%;
	}
	.cs1_box .cs1_nav{
		height: 280px;
	}
	.cs1_box .cs1_nav .cs1_nav_img .img {
	    -webkit-transition: 0.5s all;
	    transition: 0.5s all;
	}	
	.cs1_box .cs1_nav .cs1_nav_img {
	    top: -90px;
	    height: 170px;
	}
	.cs1_box .cs1_nav .cs1_nav_title {
	    padding-top: 98px;
	}
	/*.cs1_box .cs1_nav:hover .cs1_nav_img .img{
		-webkit-transform: scale(1.18);
		transform: scale(1.18);
	}*/
	.banner_title{
		font-size: 54px;
	}
	.cs1_box .cs1_title{
		font-size: 42px;
	}
}

@media screen and (max-width: 1335px) {
	.cs_inner{
		width: 80%;
	}
}
@media screen and (max-width: 1200px) {
	
}
@media screen and (max-width: 1100px) {

}
@media screen and (max-width: 1000px) {

}
@media screen and (max-width: 768px) {
	
	
	
}







@media screen and (max-width: 500px) {
	.banner_title {
	    font-size: 36px;
	}
	.cs_inner {
	    width: 90%;
	}
	.cs1_box .cs1_title {
	    font-size: 32px;
	    margin-top: 20px;
	    margin-bottom: 12px;
	}
	.cs1_box .cs1_content {
	    font-size: 16px;
	}
	.cs1_box .cs1_nav {
	    width: 100%;
	    height: 270px;
	    margin-right: 0;
	    margin-top: 110px;
	}
	.cs1_box .cs1_nav .cs1_nav_title{
		padding-top: 100px;
	}
	.cs1_box .cs1_nav .cs1_nav_img {
	    width: 100%;
	    position: absolute;
	    left: 0;
	    top: -80px;
	    z-index: 10;
	    height: 160px;
	    overflow: hidden;
	}
	.page_number_con .page_number {
	    width: 36px;
	    height: 36px;
	    line-height: 36px;
	    margin-right: 5px;
	    font-size: 16px;
	    border-radius: 5px;
	}
	.page_number_con {
	    margin-top: 30px;
	}
	.cs1_box {
	    margin-bottom: 30px;
	}
	.cs1_box .cs1_title .fontScaleX{
		-o-transform: scaleX(1);
		-ms-transform: scaleX(1);
		-moz-transform: scaleX(1);
		-webkit-transform: scaleX(1);
		transform: scaleX(1);
	}
}