body,div,p,span,a,ul,li{
	margin:0;
	padding: 0;
	font-family: 'Microsoft YaHei',sans-serif;
	font-size: 14px;
}
.clearfix{
	clear: both;
}
.float-left{
	float: left;
}
.float-right{
	float: right;
}
.p-4{
	padding: 4px;
}
.p-8{
	padding: 8px;
}
.p-16{
	padding: 16px;
}
.ph-4{
	padding: 0 4px;
}
.ph-8{
	padding: 0 8px;
}
.ph-16{
	padding: 0 16px;
}
.ph-24{
	padding: 0 24px;
}
.pv-4{
	padding: 4px 0;
}
.pv-8{
	padding: 8px 0;
}
.pv-16{
	padding: 16px 0;
}
.pv-24{
	padding: 24px 0;
}
.m-8{
	margin: 8px;
}
.m-16{
	margin: 16px;
}
.m-24{
	margin: 24px;
}
.mh-8{
	margin: 0 8px;
}
.mh-16{
	margin: 0 16px;
}
.mh-24{
	margin: 0 24px;
}
.mv-8{
	margin: 8px 0;
}
.mv-16{
	margin: 16px 0;
}
.mv-24{
	margin: 24px 0;
}
.col-25{
	width: 25%;
	float: left;
	position: relative;
}