.header_nav > li:nth-child(7) > a {
    color: #fff;
}

    .header_nav > li:nth-child(7) > a::before {
        height: 100%;
    }


.contactUs_box {
    max-width: 1200px;
    margin: 0 auto;
    background: #f8f8f8;
    display: flex;
    padding-bottom: 20px;
    margin-bottom: 60px;
}

    .contactUs_box > div {
        width: 25%;
        text-align: center;
    }

.address_left {
    /* padding-left: 10px; */
    border: 1px solid #e9e9e9;
    display: flex;
    flex-direction: column;
}

.address_header {
    color: #333;
    padding: 10px 0 20px 10px;
    font-weight: 600;
    font-size: 16px;
}

.address_title {
    font-size: 12px;
    color: #666666;
    line-height: 26px;
    padding: 0 10px;
}

.address_map {
    width: 100%;
    height: 340px;
    background: #333333;
    margin-top: 30px;
    /* flex: 1; */
}


.address_right {
    padding: 0 30px;
}

.address_right_margin20 {
    margin-top: 20px;
}

@media screen and (max-width:768px) {
    .contactUs_box {
        display: block;
    }

        .contactUs_box > div {
            width: 100%;
        }

    .address_right {
        padding: 0;
    }
}