.nav_bg a {
    text-decoration: none;
    transition: all 0.3s;
}

.nav_bg {
    width: 100%;
    background: dodgerblue;
    height: 42px;
    color: #fff;
}

.nav_bg .nav_box {
    max-width: 1100px;
    margin: auto;
}

.nav_box .current {
    background-color: royalblue;
}

.nav_box .nav_list {
    width: 100%;
    display: flex;
    justify-content: space-around;
    align-items: center;
    text-align: center;
}

.nav_box .nav_list li {
    font-size: 18px;
    color: #fff;
    line-height: 40px;
    display: inline-block;
    width: 100%;
    cursor: pointer;
    position: relative;
    transition: all 0.3s;
}

.nav_box .nav_list li:hover {
    background: royalblue;
}

.nav_box .nav_list .nav-title {
    color: #fff;
    display: block !important;
}

.nav_box #nav_zx,
.nav_box #nav_pp,
.nav_box #nav_315,
.nav_box #nav_zy {
    width: 1100px;
    margin: auto;
    position: absolute;
    right: auto;
    padding-left:30px;
    text-align: center;
}

.nav_box #nav_pp2 {
    width: 400px;
    margin: auto;
    position: absolute;
    padding-left:30px;
    text-align: center;
}

.nav_box #nav_dst {
    width: 260px;
    margin: auto;
    position: absolute;
    right: auto;
    text-align: center;
}

/* .nav_box #nav_pp {
    right: 0;
} */

.nav_box #nav_dst {
    right: -60px;
}

.nav_box #nav_315 {
    right: -110px;
}

.nav_box #nav_zy {
    right: -367px;
    left: auto;
}

.nav_box #zy::after {
    content: '';
    width: 20px;
    height: 20px;
    background: url(../../home/images/huo.png);
    background-size: cover;
    position: absolute;
    top: calc(50% - 12px);
    right: 12px;
}

.nav_box #nav_zx li,
.nav_box #nav_315 li,
.nav_box #nav_zy li {
    width: 16%;
    float: left;
    line-height: 40px;
    transition: all 0.3s;
}

.nav_box #nav_pp li{
    width: 20%;
    float: left;
    line-height: 40px;
    transition: all 0.3s;
}

.nav_box #nav_pp2 li {
    width: 50%;
    float: left;
    line-height: 40px;
    transition: all 0.3s;
}

.nav_box #nav_dst li {
    width: 50%;
    float: left;
    line-height: 40px;
    transition: all 0.3s;
}

.nav_box #nav_dst li {
    height: 400px;
}

.nav_box #nav_zy li {
    height: 400px;
}

.nav_box #nav_315 li {
    width: 25%;
    height: 400px;
}

.nav_box #nav_zx li:hover,
.nav_box #nav_dst li:hover,
.nav_box #nav_pp li:hover,
.nav_box #nav_pp2 li:hover,
.nav_box #nav_315 li:hover,
.nav_box #nav_zy li:hover {
    background-color: rgba(30, 144, 225, 0.85);
}

.nav_box #nav_zx li span,
.nav_box #nav_pp li span,
.nav_box #nav_pp2 li span,
.nav_box #nav_315 li span,
.nav_box #nav_zy li span {
    border-bottom: #eee solid 1px;
    width: 74%;
    margin: auto;
    display: block;
    font-size: 14px;
    font-weight: bold;
}

.nav_box #nav_zy li:last-child span {
    font-size: 16px;
}

.nav_box #nav_zy li:last-child a {
    font-size: 14px;
}

.nav_bg .nav_box .nav_child {
    width: 100%;
    position: absolute;
    top: 40px;
    right: 0;
    background-color: rgba(0, 0, 0, 0.85);
    z-index: 999;
    display: none;
}

.nav_box .nav_child .nav-title-text {
    display: inline-block;
    width: 100%;
    /* height:100%; */
    font-size: 12px;
    color: #fff;
}

.nav_box .nav_child a:hover {
    background-color: royalblue;
}
.nav_bg .nav_box .nav_child2 {
    width: 100%;
    position: absolute;
    top: 40px;
    right: 0;
    background-color: rgba(0, 0, 0, 0.85);
    z-index: 999;
    display: none;
}

.nav_box .nav_child2 a {
    display: inline-block;
    width: 100%;
    /* height:100%; */
    font-size: 12px;
    color: #fff;
}

.nav_box .nav_child2 a:hover {
    background-color: royalblue;
}

.nav_box #hot {
    position: relative;
}

.nav_box #hot::after {
    content: '';
    width: 20px;
    height: 14px;
    background: url(/Public/home/images/hot.png);
    background-size: cover;
    position: absolute;
    top: 6px;
    right: 60px;
}

@media(max-width:1200px) {
    .nav_bg .nav_box .nav_child {
        opacity: 0;
    }
    .nav_bg .nav_box .nav_child2 {
        opacity: 0;
    }
    .nav_box .nav_list .pststa {
       /* position: static;  */
       position:relative; 

    }
    .nav_box .nav_list {
        width: 100%;
        overflow: scroll;
        justify-content: start;
    }
    .nav_box .nav_list li {
        flex: 0 0 22%;
    }
    .nav_box .nav_list .nav-title {
        font-size: 14px;
    }
    .nav_box #zy::after {
        width: 16px;
        height: 16px;
        top: calc(50% - 10px);
        right: 3px
    }
    .nav_bg .nav_box .nav_child3 {
        right: -10px !important;
    }
    .nav_bg .nav_box .topu {
        top: unset !important;
        opacity: 1 !important;
    }
}