.sjdh {
    display: none;
    position: absolute;
    left: 200px;
    top: 0px;
    width: 200px;
   text-align: center; 
    background: rgba(0, 0, 0,0.6) !important;width:600px
;}
.nav li ol li:hover .sjdh{display: block;}
.sjdh{
    padding: 0!important;min-height:0px!important; background: rgba(0, 0, 0,0.6);width:600px;}
 .sjdh li{width: 300px!important;
    margin: 0!important;
    padding: 0!important;float:left;height:40px;}   
     .sjdh li a{font-size:12px!important;}
     
     
     .navs li ol li .sjdh{min-height:100% !important;}
     
     
.nav li ol li .sjdh {
    min-height: 100% !important;}