.nav-item {
    line-height: 46px;
    padding: 0 20px;
    padding: 0 25px;
    margin-left: 0;
    position: relative;
    color: #ffffff;
    font-size: 16px;
    /*font-weight: bold;*/
    display: block;
    float: left;
    text-align: center;
}

.nav-item:first-child {
    padding: 0 0px;
    margin-right: 25px;
}
.nav-item:hover {
    color: #ffffff;
}

/*包含下一级*/
.nav-item.has-sub {
    background: url("../images/nav-triangle.png") no-repeat center right;
    background-position: 92% center;

}
.nav-item.current{
    font-weight: bold;
}
.nav-item.current:after {
    position: absolute;
    content: '';
    /*width: 30px;*/
    width: 32px;
    height: 4px;
    background: #fff;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);


}


.nav-item.has-sub:hover .sub-nav {
    display: block;
}

.sub-nav {
    width: 114px;
    /*width: 100px;*/
    background: #fff;
    border-radius: 4px;
    overflow: hidden;
    display: none;
    padding: 6px 0;
    box-shadow: 1px 1px 4px rgb(0 0 0 / 8%);
    position: absolute;
    left: 0;
    top: 46px;
    z-index: 2;
}

.sub-nav-item {
    display: block;
    height: 34px;
    line-height: 34px;
    font-size: 14px;
    color: #111;
    font-weight: normal;
    transition: all ease 0.3s;

}

.sub-nav-item:hover {
    background: #f6f6f6;
    color: #1064EC;
    transition: all ease 0.3s;
    font-weight: bold;

}