.head-nav {
    width: 100%;
    height: 64px;
    background: #174272;
}

.nav-ul {
    width: 1200px;
    margin: 0 auto;
    height: 64px;
}

.nav-ul .nLi {
    position: relative;
    margin-top: 12px;
    float: left;
    height: 40px;
}

.nav-ul .nLi:nth-child(1) {
    padding: 0 10px;
}

.nav-ul .nLi:nth-child(n+2) {
    padding: 0px 19px;
    border-left: 1px solid rgba(255, 255, 255, 0.6);
}

.nav-ul .nLi a {
    display: inline-block;
    font-size: 21px;
    font-family: '微软雅黑';
    font-weight: 400;
    color: #FFFFFF;
    width: 100%;
    height: 100%;
    line-height: 40px;
    text-align: center;
}


.nav-ul .on::before {
    position: absolute;
    content: "";
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 10px solid white;
    bottom: -3px;
    left: 40%;
}

.left-col .active a {
    color: #085ABD;
}

.sub {
    min-height: 50px;
    display: none;
    width: 185px;
    left: 0px;
    top: 60px;
    position: absolute;
    z-index: 999;
    background: #076fbe;
}

.sub a {
    width: 185px;
    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: -185px;
}

.sub1 li {
    float: left;
}

@media (max-width: 480px)  {
    .head-nav {
        height: 120px;
    }

    .nav-ul {
        width: 100%;
    }

    .nav-ul .nLi {
        width: 33%;
        margin-top: 0px;
    }

    .nav-ul .nLi:last-child {
        width: 150px;
    }
    .nav-ul .nLi a {
        font-size: 18px;
    }

}