.index_activity{position:relative;display:block;overflow:hidden;height:100%;background:#fff}.activity_slider{position:absolute;left:0;top:0;height:100px;width:2260px}.activity_slider a{float:left}.activityNav{position:absolute;right:0;bottom:0;height:16px;text-align:center;line-height:16px;font-size:12px;color:#fff;font-family:airal}.activityNav span{display:inline-block;margin-left:1px;width:16px;height:16px;cursor:pointer;background-color:#000;opacity:.7}.activityNav .on{background-color:#f0228e;opacity:1}.countdown{position:absolute;right:0;top:20px;padding-left:10px;padding-right:10px;background-color:#ff0}.countdown b{margin-left:2px;margin-right:2px;color:red;font-family:Tahoma}