.menu_item_box li {
    float: left;
    list-style: none;
    margin: auto 20px;
    cursor: pointer;
}

.menu_item_box li:hover {
    color: #1d5dff;
}

.menu_logo_box {
    display: inline-block;
    margin-top: 30px;
}

.menu_item_box {
    float: right;
    margin-top: 40px;
}

.ei_menu {
    height: 120px;
    /* border-bottom: 1px solid #f00; */
    line-height: 2;
    font-size: 20px;
}

.menu_logo {
    height: 47px;
    width: 437px;
}

.ei_sub_banner_bg {
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: url(/images/banner_index.png) no-repeat;
    background-size: 100% 100% !important;
    margin:0 auto;
    color: #fff;
    text-align: center;
}

.white_line {
    height: 5px;
    width: 99px;
    background-color: #fff;
    /* margin-left: calc(50% - 49.5px); */
    margin: 26px auto 40px auto;
}

.content iframe {
    width: 100%;
    /* height: 100vh; */
}

.ei_flex {
    flex-wrap: nowrap;
    /* justify-content: space-between; */
    align-items: center;
    justify-content: center
}

.index_sub_nav {
    height: 185px;
    background-color: #fff;
    position: relative;
    bottom: 100px;
}

.index_sub_nav_box {
    border-right: 1px solid #dcdcdc;
    flex-shrink: 1;
    width: 25%;
    text-align: center;
    vertical-align: middle;
    cursor: pointer;
}

.index_sub_nav .index_sub_nav_box:last-child {
    border-right: none;
}

.index_sub_nav_box img {
    width: 80px;
    height: 80px;
}

.index_sub_nav_title {
    margin: 10px;
    font-weight: bold;
    font-size: 20px;
}

.index_sub_nav_eng_title {
    font-size: 14px;
}

.active_bar {
    color: #1d5dff;
}


/* 企业管理副导航 */

.enterprise_sub_nav .ei_astrict {
    /* width: 100%; */
    display: flex;
    justify-content: space-around;
    height: 120px;
    align-items: center;
}

.enterprise_sub_nav .ei_astrict div {
    height: 120px;
    line-height: 120px;
    padding: 0 50px;
}