div,ul,li,a{
	  margin: 0px;
	  padding: 0px;
	  border: none;
	font-size:0.4rem;
}
.mian{
	background-color: #d90514;
	width: 100%;
	height: 9rem;
	text-align: center;
	position: absolute;
	display: none;
	z-index: 9;
	top:2.1rem;
}
.mian ul{
	width: 100%;
	list-style: none;

}
.mian li{
	float: left;
	width: 25%;
	line-height: 1.5rem;
}