#menu{
	position:relative;
	display:block;
	width:100%;
	padding-top:53px;
}
#menu-tab{
	position:absolute;
	display:block;
	width:100%;
	height:71px;
	z-index:2;
	top:0;
	left:0;
}
#menu-tab>li{
	display:inline-block;
	width:160px;
	height:71px;
	float:left;
}
#menu #banner{
	position:relative;
	z-index:1;
}