.head-nav {
    width: 100%;
    height: 60px;
    background-color: #076fbe;
    box-shadow: 2px 9px 10px 0px rgba(34, 24, 21, 0.2);
}

.nav-ul {
    width: 100%;
    height: 60px;
}

.nav-ul .nLi {
    float: left;
    width: 150px;
    height: 60px;
    position: relative;
}

.nav-ul .nLi  a {
    display: block;
    width: 100%;
    height: 100%;
    color: #fff;
    font-size: 20px;
    font-weight: bold;
    line-height: 60px;
    text-align: center;
}

.nav-ul .nLi  a:hover {
    background: #578bc2;
}

.nav-ul .on  a {
    background: #578bc2;
}

.sub {
    min-height: 50px;
    display: none;
    width: 150px;
    left: 0px;
    top: 60px;
    position: absolute;
    z-index: 999;
    background: #076fbe;
}

.sub a {
    display: block !important;
    width: 150px !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 1 !important;
    -webkit-box-orient: vertical;
    line-height: 40px;
    text-align: center;
    font-size: 18px;
    color: #fff;
    border-top: 0.5px solid #fffafa;
    display: block;

}

.sub a:hover {
    background: #578bc2;
}

.sub1 {
    width: 557px;
    left: -150px;
}

.sub1 li {
    float: left;
}