.mold-nav-item {
    position: relative;
}

.mold-nav-item:hover .layui-nav-child {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
}

.mold-nav-item .layui-nav-child {
    display: none !important;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease-in-out;
    top: 100% !important;
    left: 0 !important;
    z-index: 9999 !important;
}

.mold-nav-item.layui-this .layui-nav-child {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
}

.mold-nav-item .layui-nav-child dd:hover {
    background-color: #2563dd !important;
}

.mold-nav-item .layui-nav-child dd.layui-this {
    background-color: #009688 !important;
}

.mold-nav-item .layui-nav-child dd.layui-this a {
    color: #fff !important;
}