.rich-content-bg {
    position: absolute;
    margin-top: -68px;
    width: 100%;
    height: 516px;
    background: url('/static/pc/image_other_topbg.png') no-repeat center center / 1980px 516px;
}
.rich-content {
    position: relative;
    z-index: 1;
    padding: 16px 0;
}
.rich-content-box {
    border-radius: 12px;
    background: #fff;
    padding: 16px;
    /*height: calc(100vh - 68px - 16px * 4);*/
    /*overflow-y: auto;*/
}