#app .page-aboutcjb-wrapper .do-what-wrapper {
    display: flex;
    width: 100%;
    height: 820px;
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-image: url("../../img/aboutus/platform_bg.jpg");
    background-color: #fff;
    flex-direction: column;
    align-items: center;
}

#app .page-aboutcjb-wrapper .do-what-wrapper .content {
    max-width: 1200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-sizing: border-box;
}

#app .page-aboutcjb-wrapper .do-what-wrapper .content .title {
    margin-top: 71px;
    font-size: 36px;
    font-weight: 400;
    color: black;
    line-height: 24px;
}

#app .page-aboutcjb-wrapper .do-what-wrapper .content .sub-title {
    margin-top: 20px;
    font-size: 18px;
    font-weight: 400;
    color: black;
    line-height: 24px;
}

#app .page-aboutcjb-wrapper .do-what-wrapper .content img {
    margin-top: 51px;
    width: 1064px;
    height: 553px;
}