body{
	width:100%;height:auto;
	padding:0;
	margin:0 auto;
	list-style:none;
	font-size:'微软雅黑';
}
.all_box{
	width:100%;
	height:auto;
	margin:0;
	padding:0;
	min-width:873px;
}
.sxd_nav{width:100%;height:80px;position: fixed;top: 0;z-index: 99;background: white;border-bottom: 1px solid #e6e6e6;}
.sxd_nav>div{
	max-width:1208px;min-width:873px;
	height:80px;
	margin:0 auto;
}
.sxd_nav>div div.sxd_logo{
	float: left;display: block;
	width:339px ;height: 48px;
	margin-top: 16px;
	background: url(../img/sxd_logo.png);
	background-repeat: no-repeat;
	background-size: 339px 48px;
}
.sxd_nav>div ul{
	float: right;
	width: auto;
	height: 80px;
	padding: 0;
}
.sxd_nav>div ul li{
	float:left;
	width:90px;height: 80px;line-height: 80px;
	text-align: center;
	list-style: none;
}
.sxd_nav>div ul li a{
	font-size: 14px;color: #424242;cursor: pointer;
}
.sxd_nav>div ul li a.active{
	color:#4fb9c2
}
.sxd_banner{
	width:100%;height:auto;
	margin:80px auto 0px;	
}
.sxd_banner img{display: block;width: 100%;height: auto;}
.sxd_tell{
	width: 100%;height:102px;
	margin:0 auto;
	background: url(../img/sxd_tell.png?1) no-repeat;
	background-size: 100% 100%;
}
.sxd_question{
	width: 100%;height: auto;
	margin: 0 auto;
}
.sxd_question img{
	display: block;height: auto;width: 100%;
}
.sxd_deal{
	width: 100%;height: auto;
	margin: 0 auto;

}
.sxd_deal img{
	display: block;width: 100%;height: auto;
}
.sxd_fun{
	width: 100%;height:auto;
	margin: 0 auto;
}
.sxd_fun img{display: block;width: 100%;height:auto}
.sxd_install{
	width: 100%;height: auto;
	margin: 0 auto;
}
.sxd_install img{
	display: block;width: 100%;height: auto;
}
.sxd_about{width: 100%;height: auto;margin:0 auto}
.sxd_about img{display: block;width: 100%;height: auto;}

.big_x{
	width:100%;
	height:1px;
	background:#e6e6e6;
}
.down{
	max-width:1208px;
	min-width: 873px;
	height:279px;
	padding:74px 0px;
	margin:auto;
}
.down_left{
	width:50%;
	height:auto;
	float:left;
	box-sizing: border-box;
}
.down_left span{
	display:block;
	width:100%;
	height:auto;
	text-align:center;
}
.on_top{
	color:#4c4c4c;
	font-size:20px;
}
.on_bot{
	color:#b2b2b2;
	font-size:16px;
	margin-top:8px;
}
.down_right{
	width:50%;
	height:auto;
	float:right;
	box-sizing: border-box;
}
.sao{
	width:356px;
	height:auto;
	margin:67px auto 0px;
}
.sao_left{
	width:auto;
	height:auto;
	float:left;
	margin-right:40px;
}
.sao_left img{
	display:block;	
	width: 180px;
}
.sao_left img:last-child{
	margin-top:19px;
}
.sao_right{
	float: left;
	margin-top:4px;
}
.down_right span{
	display:block;
	width:100%;
	height:auto;
	text-align:center;
}
.two{
	width: 310px;
    height: 157px;
    margin: 67px auto 0px;
}
.two img{
	display: block;
	float: left;
	width: 110px;height:110px;
}

.two img.img2{
	width:110px;
	height:110px;
	float: right;
}
.sxd_question img.app{
	width:110px;
	height:110px;
	margin-top: 6px;
}
.foot{
	width:100%;
	height:53px;
	background:#333333;
	padding:31px 0px;
}
.foot_top{
	color:#cccccc;
	font-size:16px;
	text-align:center;
}
.foot_bot{
	margin-top:5px;
	font-size:16px;
	color:#cccccc;
	text-align:center;
}
.aa3{
	display: none;
}
.aa{
	display: none;
}
.aa1{
	display: none;
}
.aa2{
	display: none;
}