#sub-u{
    display: none;
    position: absolute;
    width: 120px;
    line-height: 36px;
    padding: 5px 0;
    box-shadow: 0 2px 4px rgba(0,0,0,.12);
    border: 1px solid #d2d2d2;
    background-color: #fff;
    z-index: 100;
    border-radius: 2px;
    white-space: nowrap;
    right:150px;
}
#sub-u li a{
    font-size: 12px;
    color: black;
    padding-left: 10px;
}


#sub-u-tech{
    display: none;
    position: absolute;
    width: 120px;
    line-height: 36px;
    padding: 5px 0;
    box-shadow: 0 2px 4px rgba(0,0,0,.12);
    border: 1px solid #d2d2d2;
    background-color: #fff;
    z-index: 100;
    border-radius: 2px;
    white-space: nowrap;
    right:70px;
}
#sub-u-tech li a{
    font-size: 12px;
    color: black;
    padding-left: 10px;
}