header{
	height: 70px;
	background: white;
	position: fixed;
	z-index: 999;
	width: 100%;
}
.logo-box{
	float:left;
	width:200px;
	height:70px;
}
.logo-box img{
	width:100%;
}
.menu-bt-box{
	float:left;

}
.menu-bt-box ul{
	list-style:none;
}
.menu-bt-box ul li{
	float: left;
	font-size: 18px;
	font-weight: 700;
	color: #496686;
/*	border-left: 1px solid;*/
	padding: 10px;
}
.tell-box{
/*	float:right;
	width: 290px;
*/
}