#platform_left_float{width:115px;height:225px;position:fixed;_position:absolute;left:50%;top:323px;_top:expression(documentElement.scrollTop+250);margin-left:-620px;overflow:hidden;display:none;z-index:1002}#platform_left_float a.platform_close_btn{width:15px;height:16px;position:absolute;left:100px;top:0;background:url(//tb2.bdstatic.com/tb/img/floatlayer_close_213de61.png) no-repeat 0 0;_background:url(//tb2.bdstatic.com/tb/img/floatlayer_close_png8_e863ed8.png) no-repeat 0 0}#platform_left_float a.platform_float_content{width:100%;height:209px;position:absolute;left:0;top:16px}#platform_left_float a.platform_float_content img{width:100%;height:100%}