#platform_spread_video{height:295px;width:340px;position:fixed;bottom:-300px;left:50%;margin-left:290px;z-index:9999}#platform_spread_video div.platform_video_head{width:100%;height:40px;background:url(//tb2.bdstatic.com/tb/img/platform_video_head_bg_bb6fc2f.png) no-repeat 0 0;overflow:hidden}#platform_spread_video div.platform_video_up_head{background-position:0 -130px;display:none}#platform_spread_video div.platform_video_down_head{background-position:0 0}#platform_spread_video div.platform_video_head a.head_btns{width:15px;height:15px;float:right;margin-right:10px;margin-top:13px;display:inline;background:url(//tb2.bdstatic.com/tb/img/platform_video_btn_2df8711.png) no-repeat 0 0}#platform_spread_video div.platform_video_down_head p{width:225px;height:14px;line-height:14px;overflow:hidden;font-size:12px;color:#fff;margin-top:13px;margin-left:45px;float:left}#platform_spread_video div.platform_video_content{width:340px;height:255px;display:none}#platform_spread_video div.platform_video_up_head a.logo_btn{width:62px;height:21px;float:left;margin-left:15px;margin-top:8px;display:inline}#platform_spread_video div.platform_video_up_head a.logo_btn img{width:100%;height:100%}#platform_spread_video div.platform_video_up_head a.head_close_btn{background-position:3px 0}#platform_spread_video div.platform_video_up_head a.head_close_btn:hover{background-position:-20px 0}#platform_spread_video div.platform_video_up_head a.head_down_btn{background-position:1px -23px}#platform_spread_video div.platform_video_up_head a.head_down_btn:hover{background-position:-20px -23px}#platform_spread_video div.platform_video_down_head a.head_up_btn{background-position:2px -64px}#platform_spread_video div.platform_video_down_head a.head_up_btn:hover{background-position:-19px -64px}#platform_spread_video div.platform_video_down_head a.head_close_btn{background-position:2px -44px}#platform_spread_video div.platform_video_down_head a.head_close_btn:hover{background-position:-20px -44px}