.container{width:100%;margin:0 auto;}
    /*锁定*/
     .lock-ico{
	    width: 52px;
	    height:52px;
	    background-image:url(../img/bukeshou.png);
	    background-repeat:no-repeat;
	    position:absolute;
	    left: 0px;
	    top: 0px;
	    z-index: 699;
    }
     .nolock-ico{
	    width: 52px;
	    height:52px;
	    background-image:url(../img/keshou.png);
	    background-repeat:no-repeat;
	    position:absolute;
	    left: 0px;
	    top: 0px;
	    z-index: 699;
    }