.brief_introduction {
    box-sizing: border-box;
    padding-top: 33px;
    height: 290px;
    background-color: #394341;

}

.logo_white {
    width: 166px;
    height: 39px;
    margin-bottom: 33px;
}

.logo_introduction {
    width: 40%;
}

.introduction {
    width: 100%;
    max-width: 550px;
    color: #c0c2c2;
    font-size: 14px;
    line-height: 22px;
}

.bottom_nav {
    /* margin-top: 21px; */
    margin-left: 135px;
    color: #fff;
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.bottom_nav>h3 {
    font-size: 20px;
    margin-bottom: 37px;
}

.bottom_nav>span {
    margin-bottom: 22px;
    font-size: 14px;

}

.bottom_nav>span>a {
    color: #c0c2c2;
}


.code {
    color: #fff;
    display: flex;
    flex-direction: column;
}

.code>h3 {
    font-size: 20px;
    margin-bottom: 38px;
}

.code>img {
    width: 80px;
    height: 80px;
}

.footer {
    height: 47px;
    background-color: #475551;
    line-height: 47px;
    color: #8e9593;
}

.footer_cont {
    display: flex;
}

.Legal_Notice {
    margin-right: 480px;
}