/**组件样式*/
.leftnav-menu-con-li .biaoshi{    background: url(images/leftnav_menu_tb.png) center no-repeat;

width: 40px;
    height: 56px;
    display: inline-block;
    position: absolute;
    top: 0;
    right: 0;
        cursor: pointer;}

.leftnav-menu-con-li .biaoshi.on{background: url(images/leftnav_menu_tb_on.png) center no-repeat;}