@media (min-width: 860px) {
	.kk,.kk1{
		display: block;
	}
	
	.promo-list .t3 img{
		width: 14.37037037rem;
	}
	.promo-list .t2 img{
		width: 11.38888888rem;
	}
	.gd{
		font-size: 16px;
	}
	.products_ul li,.news_ul li{
		width: 23%;
		float: left;
		margin-left: 2.66%;
		font-size: 18px;
	}
	.about_a h5{
		width: 560px;
		font-size: 32px;
	}
	.about_a p{
		width: 560px;
		font-size: 18px;
	}
	.tit h6{
		font-size: 28px;
	}
	
	.news_ul{
		margin-bottom: 30px;
	}
	.news_ul li h6{
	font-size: 18px;
	overflow: hidden;
	min-height: 0.88888888rem;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-line-clamp:2;
        -webkit-box-orient: vertical;
	}
 	.news_ul li p{
 		font-size: 16px;
 		overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-line-clamp:2;
        -webkit-box-orient: vertical;
 	}
 
 	.news_ul_s li:hover a{
		margin-top: -10px;
	}
	.news_ul_n li:hover a{
		border: 1px solid #DDDDDD;
	}
	.banner1 a{
		padding: 4.07407407rem 0;
	}
	.xnav a{
		font-size: 17px;
	}
	.n_tit h5{
		font-size: 24px;
	}
	.tit p.news_ul li span,.n_tit p,.news_info,.products_d,.con1,.con2,.xt,.news_ul li span,.about_info,.pages{
		font-size: 16px;
	}
	
	.sec_t{
		
		margin:0 auto 120px;
		
	}
	.news_info p{
		margin-top: 30px;
	}
	.xt{
		margin-top: 50px;
	}
	
	.zbc_ul{
	width:10.18518518rem;
	height:7.51851851rem;
	position: absolute;
	left:50%;
	margin-left: -5.09259259rem;
	top:50%;
	margin-top:-3.75925925rem;
	background: white;
}
}

@media (min-width: 1050px) {
	.mt-20{
		margin-top: 20px;
	}
	.mt-30{
		margin-top: 30px;
	}
	.header .logo{
		width: 442px;
	
	}
	.header{
		padding: 0.18518518rem 0.74074074rem;
	}
	.about_a{
		background-size:100% 100% ;
	}
	.tit1{
	padding: 1.11111111rem 0 1.01851851rem 0;
	}
	.footer{
 		display: block;
 	}
 	.bottom_a p{
 		float: left;
 	}
	.bottom_a span{
		float: right;
	}
	.con1{
		float: left;
		width: 50%;
		
	}
	.con2{
		float: right;
		width: 50%;
	}
	.top_tr{
		display: block;
	}
	.kk{
		right:-0.18518518rem;
	}
	.kk1{
		left:-0.18518518rem;
	}
	
}
@media (min-width: 1200px) {
	
	.cai{
		display: none;
	}
 	.nav{
		float: right;
		font-size: 15px;
		margin-top: 15px;
		position: initial;
		width: auto;
		display: block !important;
	}
	.nav li{
		float: left;
		background: transparent;
	}
	.nav li a{
		padding: 25px 6px;
		
	}
	.nav li a:hover{
		font-weight:bold ;
	}
	.scetion{
		max-width: 1600px;
		min-width: 1200px;
		margin: auto;
		
	}
	.about_b{
		padding:1.11111111rem 0.46296296rem 0.74074074rem 0.46296296rem;
		max-width: 1400px;
		min-width: 1200px;
		margin: auto;
		font-size: 16px;
	}
	.news_ul{
		max-width: 1600px;
		min-width: 1200px;
		margin:0 auto 30px;
	}
	.bottom_a{
		max-width: 1500px;
		min-width: 1200px;
		font-size: 0.27777777rem;
	
	}
	.sec_t{
		max-width: 1600px;
		min-width: 1200px;
		
	}
	.info{
		max-width: 1400px;
		min-width: 1200px;
		margin: auto;
	}
	
	
}
@media (min-width: 1400px) {
	.nav{
		float: right;
		font-size: 16px;
		margin-top: 15px;
	}
	
	.nav li a{
		padding: 25px 15px;
	}
	.kk{
		right:-0.37037037rem;
	}
	.kk1{
		left:-0.37037037rem;
	}
	
	
}
@media (min-width: 1600px) {
	.nav{
		float: right;
		font-size: 17px;
		margin-top: 15px;
	}
	
	.nav li a{
		padding: 25px;
	}
	.kk{
		right:-0.92592592rem;
	}
	.kk1{
		left:-0.92592592rem;
	}
		
}
@media (min-width: 1780px) {
	
	.kk{
		right:-1.29629629rem;
	}
	.kk1{
		left:-1.29629629rem;
	}
		
}