span.zc {
	position: relative;
	cursor: pointer;
}
.y_footwz2 {
	display: none;
	position: absolute;
	background: #fff;
	padding: 9px;
	line-height: 17px;
	border-radius: 3px;
	right: 50%;
	margin-right:-90px;
	bottom:30px;
	width: 180px;
	transition: opacity 2s;
	text-align: center;
	z-index:8888;
}
.y_footwz2 p{
	color:#333;
	line-height: 22px;
}
.y_footwz2 img{
	width: 100%;
}
span.zc:hover .y_footwz2 {
	display: block;
}