.top_lj1{position: relative;}
.wxgzh{    position: absolute;
    left: 0;
    top: 30px;display:none;z-index:999;}
.top_lj1:hover .wxgzh{display:block;}
#nav .mainlevel>a{font-weight: bold;}
 #_span_jiucuo{
        position: absolute;
    top: 50%;
    left: 50%;
    z-index: 0;}
 .foot{
 position: relative;}
//.ljzcewm .yxjlj span {
//    padding: 0 3px;}