body,p{margin:0;padding:0;color:#333;font-family:'宋体';font-size:12px;background-color:transparent}.bd-logo,.bd-logo2,.bd-logo3{text-decoration:none;cursor:pointer;display:inline-block;overflow:hidden;position:absolute;bottom:0;right:0;z-index:2147483647}.bd-logo{height:18px;width:68px;background:url(//res1.adyun.com/res1/bg.png) no-repeat left top;background-position:0 0;_filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true,src="//res1.adyun.com/res1/light.png",sizingMethod="crop");_background:0}.bd-logo:hover{background-position:-70px 0;_filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true,src="//res1.adyun.com/res1/dark.png",sizingMethod="crop")}.bd-logo2{height:18px;width:18px;background:url(//res1.adyun.com/res1/bg.png) no-repeat left top;_filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true,src="//res1.adyun.com/res1/light.png",sizingMethod="crop")}.bd-logo2:hover{background-position:-70px 0;_filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true,src="//res1.adyun.com/res1/dark.png",sizingMethod="crop");_background:0}.bd-logo3{height:18px;width:18px;background:url(//res1.adyun.com/res1/bg.png) no-repeat left top;background-position:-70px 0;_filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true,src="//res1.adyun.com/res1/dark.png",sizingMethod="crop");_background:0}.bd-logo3:hover{width:68px}