@media only screen and (max-width:1920px ) {
	.service-list li{
		margin-right: -86px;
	}
	header nav a{
		    padding: 0 30px;
	}
	header .center{
		width: 82%;
	}
	header nav a{
		padding: 0 24px;
	}
}
@media only screen and (max-width:1470px ) {
	header nav a{
		    padding: 0 25px;
	}
}
@media only screen and (max-width:1560px ) {
	.service-list li{
		margin-right: -120px;
	}
	.case-con li section{
			height: 260px;
		}
		.case-con .up{
			height: 260px;
		}
		header .center{
		width: 96%;
	}
	header nav a{
		padding: 0 14px;
	}
}
@media only screen and (max-width:1400px ) {
	header nav a{
		    padding: 0 17px;
	}
	.service{
		height: 400px;
	}
	.service-list {
    margin-top: 0px;
}
	.service-list li{
		margin-right: -128px;
		width: 272px;
	}
	.service-list li strong{
		font-size: 16px;
	}
	.service-list li em{
		font-size: 16px;
	}
	.design p{
		width: 1110px;
	}
	.design .public-title{
		margin-top: 5%;
	}
	.case-con li section{
			height: 230px;
		}
		.case-con .up{
			height: 230px;
		}
}
@media only screen and (max-width:1300px ) {
	.service{
		height: 314px;
	}
	header nav a{
		padding: 0 17px;
	}
	.service-list li strong{
		font-size: 16px;
	}
		.service-list li{
			width: 180px;
			height: 180px;
			margin-right: -30px;
		}
		.service-list li img{
			margin-top: 14px;
		}
		.service-list li em{
			line-height: 20px;
		}
		.service .public-title{
			margin-top: 30px;
			margin-bottom: 30px;
		}
		.case-con li section{
			height: 210px;
		}
		.case-con .up{
			height: 210px;
		}
}

@media only screen and (max-width:1200px ) {
	header nav a{
		padding: 0 5px;
	}
	.bottom{
		height: auto;
	}
.bottom .fr {
    width: 240px;
    margin-top: 67px;
}	.contact-con #dituContent{
		width: 375px !important;
	}
	.histort li:nth-child(4){
		left: 710px;
	}
	.histort li:nth-child(3){
		left: 500px;
	}
	.histort li:nth-child(5){
		left: 880px;
	}
	.banner-border {
	position: absolute;
	bottom: 0;
	left: 0;
	margin-left: 0;
}
	.center{
		width: 98%;
	}
	.news1-con .left{
		width: 400px;
		overflow: hidden;
	}
	.news1-con .right{
		width: 420px;
		
	}
	.news2{
		overflow: auto;
	}
	.sub-center{
		width: 100%;
	}
	.profile-con img{
		width: 100% !important;
	}
	.case-cont li{
		width: 440px;
	}
	#service .sub-center{
		width: 78%;
	}
	.culture-con{
		display: none;
	}
	.about{
		overflow: hidden;
	}
	#case{
		padding: 70px 20px;
	}
	header .center{
		width: 100%;
	}
	.bottom .center{
		width: 98%;
	}
	.design p{
		width: 86%;
	}
	.banner-border{
		width: 100%;
	}
	.service-list li{
		margin-right: -69px;
	}
	.bottom .fl{
		width: 640px;
	}
	.profile-con{
		display: block;
		width: 95%;
		margin: 0 auto;
	}
}