.ejdh {
    display: none;
    position: absolute;
    left: 0;
    top: 100%;
    z-index: 999;
    background-color: #2ba8ea;
    width: 100%;}
#yjdh{position: relative;}
#yjdh:hover .ejdh{      display: block;}
.ejdh-li{position: relative;width: 100% !important;}
.sjdh {
    display: none;
    position: absolute;
    left: 100%;
    top: 0;
    z-index: 999;
    background-color: #2ba8ea;
    width: 100%;}
.ejdh-li:hover .sjdh{      display: block;}
.jk ul.ejdh {
    width: 165%;}