@media screen and (max-width: 1400px) {
	.hertre_cen{
		width: 93.75%;
	}
}

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

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

/*手机*/
@media screen and (max-width: 798px) {
	.an{
		display: block;
	}
	.hei{
		height: 70px;
		background: #fff;
	}
	.nav{
		width: 100%;
		top: 70px;
		position: absolute;
		background: #fff;
		display: none;
		left: 0;
		transform: translate(0%,0%);
	}

	.nav ul li.nav_ce>a:after{
		width: 100px;
	}
	.nav ul li:hover a:after{
		width: 100px;
	}
	.nav ul li{
		width: 100%;
		float: none;
		display: block;
		text-align: center;
		margin-left: 0;
	    border-bottom: 1px rgb(0,0,0,0.6) solid;
	    line-height: 70px;
	}

	.nav_ul{
		position: static;
		width: 100%;
		left: 0%;
		padding-bottom: 20px;
	}
	.nav_ul a{
		width: 100%;
		background: none;
	}
	.nav_logo{
		width: 100px;
		left: 3.5%;
	}
	.banner1,.banner{
		margin-top: 70px;
	}
	
}
@media screen and (max-width: 640px) {
	
}
@media screen and (max-width: 414px) {
	
}