@media (max-width: 400px) {
	section{
		margin-top:15px!important;;
	}
	
	/* 滑动daohang */
	.app_app{
		display: block!important;;
	}
	
	.nav_open_ico{
		width:40px!important;
		height: 40px!important;
	}
	
	.colse img{
		width: 20px!important;
	}
	
	.nav_box_content,.nav_box_content ul {
	    margin: 20px auto 0!important;
	}
	
	.nav_box_content>img{
		width:100px!important;
	}
	
	.nav_box_content ul li{
		height:45px!important;
		line-height: 45px!important;
		font-size:12px;
	}
	
	.icon-box li{
		font-size:12px!important;
	}
	
	/* 尾部 */
	footer {
		padding: 30px 0 30px!important;
		margin: 40px auto 0px!important;
	}
	
	.footer_img img {
		width: 100px!important;
	}
	
	.footer_left p {
		width: 100%!important;
		font-size: 12px!important;
	}
	
	.footer_left,.footer_right {
		width: 100%!important;
	}
	
	.footer_about, .footer_guanzhu {
		width: 100%!important;
		margin-top: 30px!important;
	}
	
	.footer_about h1, .footer_guanzhu h1 {
	    font-size: 17px!important;
	}
	
	.footer_about ul{
	    margin-top: 14px!important;
	}
	
	.footer_guanzhu .about_ma{
		width: 100%;
		margin-top:18px; 	
		display: flex!important;
		justify-content: space-between;
	}
	
	.about_ma li{
		width: 45%;
	}
	
	.about_ma li img{
		width: 100%;
	}
	
	.footer_about ul li {
		width: 20%!important;
		font-size: 12px!important;
		float: left!important;
	}
	
	.address {
	    margin-top: 25px!important;
	}
	
	.address p {
		font-size: 12px!important;
	}
}

@media (min-width: 401px) and (max-width: 767px) {
	section{
		margin-top:20px!important;;
	}
	
	/* 滑动daohang */
	.app_app{
		display: block!important;;
	}
	
	.nav_open_ico{
		width:40px!important;
		height: 40px!important;
	}
	
	.colse img{
		width: 20px!important;
	}
	
	.nav_box_content>img{
		width:100px!important;
	}
	
	.nav_box_content ul li{
		height:50px!important;
		line-height: 50px!important;
		font-size:13px;
	}
	
	.icon-box li{
		font-size:13px!important;
	}
	
	/* 尾部 */
	footer {
	    padding: 30px 0 30px!important;
		margin: 40px auto 0px!important;
	}
	
	.footer_img img {
	    width: 100px!important;
	}
	
	.footer_left p {
	    width: 100%!important;
	    font-size: 13px!important;
	}
	
	.footer_left,.footer_right {
	    width: 100%!important;
	}
	
	.footer_about, .footer_guanzhu {
		width: 100%!important;
	    margin-top: 30px!important;
	}
	
	.footer_about ul li {
	    width: 20%!important;
	    font-size: 12px!important;
	    float: left!important;
	}
	
	.address p {
	    font-size: 12px!important;
	}
	
	.footer_guanzhu .about_ma{
		width: 100%;
		margin-top:25px; 	
		display: flex!important;
		justify-content: space-between;
	}
	
	.about_ma li{
		width: 45%;
	}
	
	.about_ma li img{
		width: 100%;
	}
	
}

@media (min-width: 768px) and (max-width: 991px) {
	section{
		margin-top:25px!important;;
	}
	
	/* 滑动导航 */
	.app_app{
		display: block!important;;
	}
	
	.nav_top_left {
	    width: 58%!important;
	}
	
	.logo-img img{
		width: 156px !important;
		margin-top:20px;
	}
	
	.nav-list{
		width: 78%!important;
	}
	
	.nav-list li{
		font-size: 15px!important;
	}
	
	/* 尾部 */
	.footer_left p {
	    width: 100%!important;
	    font-size: 13px!important;
	}
}

@media (min-width: 992px) and (max-width: 1199px){
	
	.logo-img img{
		margin-top:20px;
	}
	
	.nav-list{
		width: 76%!important;
	}
	
	.nav-list li{
		font-size: 15px!important;
	}
	
	.nav-list>li>ul li{
		font-size:12px!important;
	}
	
	/* 尾部 */
	
}

@media (min-width: 1200px) and (max-width: 1600px){
	
	
	
}

@media (min-width:1601px) {
	
}

.content-box section:nth-child(1),.central_box{
	margin-top:20px;
}

section{
	margin-top:45px;
}

/* 滑动导航 */
.app_app{
	display: none;
}

.nav_open_ico{
	position: fixed;
	right: 5%;
	top:3%;
	width:50px;
	height: 50px;
	border-radius: 50%;
	-webkit-border-radius:50%;
	-moz-border-radius: 50%;
	text-align: center;
	z-index:99;
	background: #000;
	opacity: .8;
	filter: alpha(opacity=80);
	opacity: .8;
	filter: alpha(opacity=80);
}

.nav_open_ico img {
    width: 75%;
    position: absolute;
    left: 0;
    right: 0;
    margin: auto;
    transform: translateY(-50%);
    top: 50%;
    display: block;
	
}

.nav_box_list{
	width: 100%;
	height: 100%;
	background: #fff;
	position: fixed;
	top:0px;
	z-index: 8;
}

.colse{
	width: 90%;
	margin:30px auto 0;
	height:30px;
}

.colse img{
	width: 30px;
	float: right;
}

.nav_box_content{
	width: 90%;
	height: auto;
	margin:30px auto 0;
}

.nav_box_content>img{
	width:130px;
	display: block;
	margin: auto;
}

.nav_box_content ul{
	width: 90%;
	height: auto;
	margin:30px auto 0;
}

.nav_box_content ul li{
	width: 100%;
	height:60px;
	line-height: 60px;
	text-align: center;
	border-bottom:1px solid #f3f3f3;
}

.nav_box_content ul li a{
	color: #7d7a7a;
}

header{
	width: 100%;
	height: auto;
	z-index: 99;
	background:#fff;
}

.nav_top{
	width: 100%;
	height: 30px;
	background:#8c0011;
}

.nav_top .col-xs-12{
	display: flex;
	justify-content: space-between;
}

.nav_top ul li{
	float: left;
	line-height: 30px;
	font-size:13px;
}

.nav_top ul li a{
	color: #fff;
}

.nav_top ul li a:hover{
	text-decoration: none;
}

.nav_top_left {
	width: 40%;
}

.nav_top_left li{
	padding:0 8px;
}

.nav_top_sign{
	/* width: 65px; */
}

.nav_top_sign li:last-child{
	float: right;
}

.nav_top_sign li{
	margin-left: 5px;
}

.nav_top_sign li a{
	color: #fff;
}

.nav_bottom{
	width: 100%;
	right: 0;
	left: 0;
	bottom:0px;
	z-index: 99;
	height: 90px;
	background:#fff;
}

.nav_bottom .col-xs-12{
	height: 90px;
}

.logo-img img{
	width: 145px;
	margin-top:20px;
	float: left;
}

.nav-list{
	width: 70%;
	float: right;
	display: flex;
	z-index: 9;
	justify-content: space-between;
}

.nav-list>li{
	float: left;
	line-height: 90px;
	font-size:17px;
}

.nav-list>li>ul{
	width:100%;
	margin-top:-20px;
	position: relative;
	z-index: 9;
	display: none;
}

.nav-list>li>ul img{
	position: absolute;
	top: -14px;
	left: 0;
	right: 0;
	margin: auto;
}

.nav-list>li>ul li{
	width: 100%;
	z-index: 9;
	text-align: center;
	font-size:13px;
	height: 30px;
	line-height: 30px;
	background: #c7000b;
}

.nav-list>li>ul li:hover{
	background:#a20b13;
}

.nav-list>li>ul li a{
	color: #fff;
}

.nav-list>li>ul li a:hover{
	text-decoration: none;
}

.nav-list>li a img{
	width: 20px;
	margin-top:35px;
}

.nav-list>li a {
	display: block;
}

.icon-box{
	width: 100%;
	display: flex;
	justify-content: space-between;
	flex-wrap: wrap;
	height: auto;
	margin:16px auto 0;
}

.icon-box li{
	width: 23%;
	font-size:15px;
	text-align: center;
	margin-bottom:10px;
}

.icon-box li a{
	display: block;
	width: 100%;
}

.icon-box li img{
	width: 28%;
	display: block;
	margin: 4px auto 8px;
}


/* 尾部 */
footer{
	width: 100%;
	height: auto;
	background: #383637;
	margin:60px auto 0px;
	padding:50px 0 30px;
}

.address{
	margin-top:35px;
}

.address p{
	width: 100%;
	text-align: center;
	font-size:13px;
	color: #fff;
	line-height: 25px;
}

.footer_left{
	width: 58%;
	float: left;
}

.footer_img{
	width: 100%;
	height: auto;
}

.footer_img img{
	width:136px;
}

.footer_left p{
	width: 100%;
	margin-top:23px;
	line-height: 24px;
	color: #fff;
	text-align:justify
}

.footer_right{
	width: 30%;
	float: right;
}

.footer_right a{
	color: #fff;
}

.footer_about,.footer_guanzhu{
	width:50%;
	float: left;
	margin-top:70px;
}

.footer_about h1,.footer_guanzhu h1{
	font-size:18px;
	color: #fff;
}

.footer_about ul,.footer_guanzhu ul{
	margin-top:20px;
}

.footer_about ul li{
	width: 100%;
	line-height: 27px;
	font-size:13px;
}

.footer_guanzhu ul li:nth-child(2){
	margin-top:5px;
}

.a1,.a2{
	position: relative;
}

.img1,.img2{
	width: 64px;
}

.weixin,.weibo{
	position: absolute;
	display: none;
	width: 150px;
}

.weixin {
	top: -161px;
	left: -40px;
}

.weibo {
	top: -158px;
	left: -36px;
}