@media (min-width:540px){
	.nav-img{
		
		margin-top: 5%;
	}
}

@media (min-width: 768px) {
	.nasd{

		position: absolute;
		bottom: -1px;
		left: 0;

	}
	.header_a_t1_ul{
		float: right;
		width: 80%;
		margin-top: 3%;
		position: inherit;
		display: block !important;
	}
	.header_a_t1 > a img{
		width: 15%;
	}
	.header_a_t1_ul > li{
		display: inline-block;
		width: 16%;
		text-align: center;
		position: relative;
	}
	
	.header_a_t1_ul > li > a{
		padding-bottom: 23%;
		padding-left:4px;
		padding-right:4px;
	}
	.header_a_t1_ul > li >a.on{
		color: #0d3491;
		border-bottom: 3px solid #0d3491;
	}
	.header_a_t1_ul > li:hover >a{
		color: #0d3491;
		border-bottom: 3px solid #0d3491;
	}
	.nav-img{
		display: none;
	}
	.header_a_t1_ul > li > ul{
		position: absolute;
		top: 100%;
		margin:0;
		/*padding: 7px 0;*/
		font-size: 14px;
		display: none;
		width: 100%;
		background: white;
	}
	.header_a_t1_ul > li > ul > li.nli{
		padding:8px 0 ;
		position: relative;
	}
	.header_a_t1_ul > li > ul > li.nli:hover{
		background: #EEEEEE;
	}
	
	.header_a_t1_ul > li > ul > li.nli > a{
		display: inline-block;
		width: 80%;
	}
	.header_a_t1_ul > li > ul > li.nli:hover a.ak{
		background: url(../images/jjj.png) no-repeat right center;
		background-size:auto 60%;
	}
	.header_a_t1_ul > li > ul > li.nli > ol{
		position: absolute;
		right:-121%;
		top:0;
		width: 120%;
		z-index: 999999999;
		margin: 0;
		display: none;

	}
	.header_a_t1_ul > li > ul > li.nli > ol > li{
		padding:8px 0 ;
		position: relative;
		background: white;
	}
	.header_a_t1_ul > li > ul > li.nli > ol > li:hover{
		background: #EEEEEE;
	}

	.banner1{
		display: block;
	}
	.banner{
		display: none;
	}
	.news_ul li{
		float: left;
		width: 47%;
		
	}
	.news_ul li:nth-child(2),.news_ul li:nth-child(4){
		margin-left: 6%;
		display: block;
		
	}
	.news_p2{
		max-height: 84px;
	
	}
	.contact_ul li{
		float: left;
		width: 50%;
	}
	.contact_ul li > h6{
		font-size: 25px;
	}
	.con_li{
			display: block;
		}
	.contact_ul li form label div,.contact_ul li form label input,.contact_ul li form input[type=submit]{
		width: 150px;
		height: 45px;
	}
	.contact_ul li form div span{
		height: 45px;
		line-height: 45px;
	}
	.contact_ul li form div input{
		height: 45px;
	}
	.contact_ul li form div textarea{
		height: 105px;
		padding-top:12px;
	}
	.product_info_ul li a p{
		font-size: 16px;
	}
	.ban_img2{
		display: block;
	}
	.ban_img1{
		display: none;
	}
	
}
@media (min-width: 860px) {
		.header_a_t1 ul{
			width: 63%;
		}
		
		.header_a_t1 > p{
			display: block;
			float: right;
			font-size: 16px;
			color: #de1e28;
			margin-top: 3%;
			background: url(../images/zuoji.png) no-repeat left center;
			padding-left:35px ;
			margin-left: 35px;
		}
		.about h3,.product h3,.news > h3,.contact > h3{
		font-size: 32px;
		}
		.about > p,.product > p,.news > p,.contact > p{
		font-size: 20px;
		}
		.about_ul li{
			width: 25%;
		}
		.about_p1{
			font-size: 20px;
			font-weight: bold;
		}
		.about_p2{
			font-size: 14px;
			max-height: 105px;
			
		}
		.pro_ul li{
			width: 23%;
			margin-left: 2.66%;
		}
		.pro_ul li:nth-child(1){
			margin-left: 0;
		}
		.por_p1{
			font-size: 20px;
		}
		.por_p2{
			font-size: 14px;
			max-height: 70px;
		}
		.nasd_ul > li{
			width: 134px;
		}
		.about_info h2{
			font-size: 28px;
		}
		.message_a_d1{
			float: left;
			width: 35%;
		}
		.message_a_d2{
			float: right;
			width: 62%;
		}
		.erwei{
			width: 10%;
		}
		.tekd2{
			float: right;
			text-align: center;
			clear: none;
			margin: 0;
			padding-top: 0;
		}
		.tekd2 p{
			
			font-size: 24px;
		}
		.tekd2 span{
			font-size: 16px;
			display: block;
		}
		.tekd2 b{
			padding: 3px 15px;
			background: #056cdb;
			border-radius:20px ;
			color: white;
			margin-top: 20px;
			display: block;
		}
		.product_list_ul li img{
			width: 17%;
		}
		.zhaoxian h2{
			font-size: 28px;
		}
		.zhaoxian div h6{
			font-size: 24px;
			width: 80%;
		}
		.zhaoxian div p{
			width: 80%;
		}
		.header_b ul li{
			width: 16%;
		}
}
	
@media (min-width: 992px) {
	
	.geng{
		font-size: 22px;
		padding: 7px 30px;
		margin-top: 6%;
	}
}
@media (min-width: 1050px) {
	.footer{
			font-size: 16px;
		}
		.footer_a p{
			text-align: left;
			width: 70%;
			display: inline-block;
			
		}
		.bshare-custom{
			display: inline-block;
			float: right;
			margin: 0;
		}
	
	
}
@media (min-width: 1200px) {
 	
	.header_a_t1,.about,.product,.news,.contact,.link,.footer_a,.nasd_ul,.about_info,.message,.product_info,.zhaoxian,.header_b ul{
		width: 1200px;
	}
	.about h3,.product h3,.news > h3,.contact > h3{
		font-size: 43px;
	}
	.about > p,.product > p,.news > p,.contact > p{
		font-size: 26px;
	}
}
@media (min-width: 1440px) {
 	.header_a_t1 ul{
			width: 65%;
		}
}
@media (min-width: 1540px) {
 	
 	
}

@media (min-width: 1680px) {
	
}