@media only screen and (max-width: 1680px){
	

}
@media only screen and (max-width: 1600px){
	

}
@media only screen and (max-width: 1440px){
	body{zoom: 0.8;}
	.jianjie{padding: 70px 0 50px;}
	.jianjie .cont h4:after{height: 4px;margin: 18px 0 24px;}
	.jianjie .cont h4{font-size: 26px;}
	.jianjie .cont a{margin-top: 24px;}
	.contact .online .zuo{
		width: 55%
	}
	.contact .online .you{
		width: 41%
	}
}
@media only screen and (max-width: 1366px){
	

}
@media only screen and (max-width: 1280px){
	
}

@media only screen and (max-width: 1152px){
	
}
@media only screen and (max-width: 1024px){
	.news .xw_list .cont .qt{margin-top: 30px;}

}
@media only screen and (max-width: 768px){
	.tel{display: none;}
	body{zoom: 1;}
	.header .logo img{width: 104px;}
	.header{position: fixed;width: 100%;left: 0;background: #ffffff;z-index: 999;}
	.gao{height: 70px;}
	.header .centerBox .up{display: flex;align-items: center;justify-content: space-between;height: 70px;}
	.cai{
		display: block;
	}
	.cai:before {content: '';display: block;width: 34px;height: 3px;background: #0867aa;}
	.cai span {display: block;width: 34px;height: 3px;background: #0867aa;margin: 8px 0;}
	.cai:after {content: '';display: block;width: 34px;height: 3px;background: #0867aa;}
	.header .menu .nav {position: fixed;width: 100%;background: #ffffff;right: 0;color: #333333;top: 70px;overflow-y: auto !important;display: none;z-index: 999;height: 100vh;}
	.header .menu .nav li {line-height: 50px;font-size: 18px;padding: 0 20px;box-sizing: border-box;width: 100%;margin-left: 0;font-weight: normal;text-align: left;color: #333333;}
	.header .menu .nav li:hover .erji{display: none;}
	.header .menu .nav li .erji{position: unset;width: 100%;padding-top: 0;border-top: none;padding: 0 0 10px;background: none;}
	.header .menu .nav li .erji a{background: none;color: #ffffff;padding: 0;text-align: left;line-height: 30px;}
	.header .menu .cai {float: right;}
	.logo .desc{display: none;}
	.header .logo a:after{display: none;}
	.jianjie .cont{float: none;width: 100%;margin-top: 20px;}
	.jianjie .cont h4{font-size: 22px;}
	.jianjie .cont .desc{font-size: 16px;}
	.jianjie .tu{display: block;}
	.jianjie .tu img{width: 100%;}
	.jianjie{background: #f6f6f6 !important;}
	.jy_list li{width: 48%;margin-right: 4%;}
	.jy_list li:nth-child(even){margin-right: 0;}
	.two h4{font-size: 22px;}
	.two .cont{font-size: 16px;}
	.three{padding: 50px 0 60px;}
	.tong h4{font-size: 26px;}
	.tong h3{font-size: 20px;}
	.zong .ul ul{padding: 10px 10px 0;}
	.four{padding: 40px 0 50px;}
	.footer .up{display: none;}
	.four .zong .ul .tu p{font-size: 20px;}
	.four .zong .ul{width: 100%;display: block;margin-right: 0;}
	.index .video{padding-bottom: 40px;}
	.jianjie{padding: 40px 0 30px;}
	.hang li{width: 160px;font-size: 16px;line-height: 44px;}
	.one{padding: 50px 0 30px;}
	.page .cont .desc{margin-top: 8px;font-size: 14px;line-height: 30px;}
	.page .cont{margin-top: 40px;}
	.page, .jianyan, .zizhi, .gongshi, .news, .contact{padding: 30px 0 50px;}
	.zizhi .zz_list li{width: 48%;margin-right: 4%;margin-top: 30px;}
	.zizhi .zz_list li:nth-child(even){margin-right: 0;}
	.zizhi .zz_list li p{font-size: 14px;margin-top: 16px;}
	.zizhi .zz_list{margin-top: 0;}
	.jianyan .jy_list{padding-bottom: 30px;}
	.show{padding: 40px 0 50px;}
	.show .title{font-size: 24px;}
	.news .xw_list li{padding: 20px 0;}
	.gongshi ul li{padding: 0 20px;}
	.contact .zong .ditu{float: none;width: 100%;}
	.contact .zong{display: block;}
	#allmap{height: 300px !important;}
	.contact .zong .cont{float: none;width: 100%;margin-top: 20px; }  
	.contact .online .zuo{
		width: 100%
	} 
	.contact .online .you{
		width: 100%;
		margin-top: 20px
	}                                                                                         

}
@media only screen and (max-width: 640px){
	.jianjie .cont .desc{font-size: 14px;line-height: 30px;}
	.jianjie .cont h4{font-size: 18px;}
	.jy_list li{margin-top: 30px;}
	.two h4{font-size: 18px;}
	.two{padding: 40px 0;}
	.two .cont{font-size: 14px;margin-top: 20px;}
	.page .cont .tu{float: none;width: 100%;}
	.page .cont .desc{float: none;width: 100%;margin-top: 20px;}
	.show .title{font-size: 20px;}
	.news .xw_list .cont{width: 59.5%;}
	.news .xw_list .tu{width: 37%;}
	.news .xw_list .cont .zy{font-size: 12px;margin-top: 10px;}
	.news .xw_list .cont .qt{font-size: 12px;margin-top: 10px;}
	.news .xw_list .cont .bt{font-size: 16px;}
	.news .xw_list .cont .qt p{margin-right: 8px;}
	.news .xw_list .tu{float: none;width: 100%;}
	.news .xw_list .cont{float: none;width: 100%;margin-top: 20px;}
	.gongshi ul{padding-bottom: 30px;}
	.contact .online{
		margin-top: 40px;
	}

	.contact .online .zuo h4{
		font-size: 18px
	}
	
}
@media only screen and (max-width: 500px){
	.tong h4{font-size: 24px;}
	.tong h3{font-size: 18px;}
	.jy_list li p{font-size: 14px;line-height: 44px;}
	.jianjie .cont a{font-size: 14px;width: 100px;line-height: 36px;}
	.header .centerBox .up{height: 60px;}
	.gao{height: 60px;}
	.header .menu .nav{top: 60px;}
	.header .logo img{width: 90px;}
	.cai:before{width: 32px;}
	.cai:after{width: 32px;}
	.cai span{width: 32px;margin: 7px 0;}
	.hang li{font-size: 14px;width: 130px;margin: 0 5px;}
	.header .menu .nav li{font-size: 16px;}
	.show .title{font-size: 18px;}
	.show .other>span{margin: 0 5px;}
	.show .other{margin-top: 18px;padding-bottom: 20px;}
	.show .cont{margin-top: 20px;font-size: 14px;line-height: 30px;}
	.contact .zong .cont{
		padding: 10px 2%
	}

}
@media only screen and (max-width: 375px){

}
@media only screen and (max-width: 325px){
}