.th-down {
    position: absolute;
    left: 100%;
    top: 0;
    background: rgba(255,255,255,0.9);
    width: 300px  !important;
    display: none;
    height: auto !important;
    padding: 15px;}
.th-down li {
    width: 33.3%;
    float: left;
    padding: 0px 15px 0px 0;
    text-align: left;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;}
.a_block_ul li:hover .th-down{display: block;}


 
.subnav li a{line-height: 42px !important;font-size:15px !important;}