/*滚动广告样式*/
.ad { 
	margin:1px auto;
	width:960px; 
	height:270px; 
	overflow:hidden;
	position:relative;
	
}
.slider,.num{
	position:absolute;
}
.slider li{ 
	list-style:none;
	display:inline;
	float:left;
	overflow:hidden;
}
.slider img{ 
	width:960px; 
	height:270px;
	display:block;
}
.num{ 
	right:5px; 
	bottom:5px;
}
.num li{
	float: left;
	width: 30px;
	height: 30px;
	cursor: pointer;
	overflow: hidden;
	margin-left:8px;
	padding-top:3px;
	border: none;
}
.num li.on{
	border:solid 3px black;
	padding-top:0px;
}