* {
	margin: 0;
	padding: 0;
	-moz-box-sizing: border-box;
	-webkit-box-sizing: border-box;
	-o-box-sizing: border-box;
	-ms-box-sizing: border-box;
	box-sizing: border-box;
	list-style: none;
	font-family: "SourcehanSansCN","微软雅黑", Arial, Verdana, Genva, sans-serif;
}

.clearfloat:after {
	display: block;
	clear: both;
	content: "";
	visibility: hidden;
	height: 0;
}

.clearfloat {
	zoom: 1;
}
html,body{
	height:100%;
}
.wrap{
	width: 1200px;
	margin: auto;
}
header{
	height:80px;
	overflow: hidden;
	font-size:22px;
	font-weight: 500;
}
header img{
	vertical-align: middle;
	margin: 10px;
	height:60px;
	margin-top:10px;
}
header span{
	display:inline-block;
	height:80px;
	line-height: 80px;
	/*width:220px;*/
	padding:0 60px;
	text-align: center;
	cursor: pointer;
	float:right;
}
header span:hover{
	color:#3347dc;
}
.headActive{
	/*background:#3347dc;*/
	color:#3347dc;
}
section{
	width: 100%;
	min-width: 1200px;
}
.banner{
	height: 500px;
	width:100%;
	background: url(../img/1.jpg);
	background-size: auto 100%;
	background-position: center;
}
footer{
	width: 100%;
	min-width: 1200px;
	background:#7d7d7d;
	text-align: center;
	color:#ffffff;
	height:80px;
	line-height: 80px;
}