html,body{
	height: 100%;
}
body, input, button, select, textarea {
    font: 12px/1.5 'Microsoft Yahei','Simsun';
    color: #444;
}
em{font-style:normal}
.header_top{
	margin-top:15px;

}

.footer{
	padding:28px 0;
	background-color: #eee;
	text-align:center
}
.footer-nav{
	display: inline-flex;
	list-style-type: none;
}
.footer-nav li{
	margin:0 10px;
}

.daohang{
    font-size:18px;
}


.z2{
    clear:both;
    width: 100%;
    position:fixed;
    z-index:5;
    top:0px;
    left:0px;
    background:#fff ;
}