.all-screen .lubo,.all-screen .lubo_box{position:relative;height:300px;width:100%}.all-screen .lubo{min-width:1000px;clear:both}.all-screen .lubo_box li{float:left;position:absolute;top:0;left:0;width:100%;height:300px;opacity:0;filter:alpha(opacity=0)}.all-screen .lubo_box li a{display:block;width:100%;height:100%}.all-screen .lubo_box li img{width:1024px;height:300px;margin:0 auto;display:block}.all-screen .cir_box{overflow:hidden;position:absolute;z-index:100}.all-screen .cir_box li{float:left;width:30px;height:5px;margin:0 5px;cursor:pointer;background:#fff;opacity:.8;filter:alpha(opacity=80)}.all-screen .cir_on{background:#000!important}.all-screen .lubo_btn{position:absolute;width:100%;top:116px;display:none}.all-screen .left_btn,.all-screen .right_btn{width:30px;height:80px;background:#000;opacity:.8;filter:alpha(opacity=80);cursor:pointer;color:#fff;line-height:80px;font-size:30px;text-align:center;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.all-screen .left_btn{float:left}.all-screen .right_btn{float:right}