client-app/components/hc-update/style.scss

.hc-update-app-box {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    pointer-events: all;
    background: rgba(0, 0, 0, .3);
    display: flex;
    justify-content: center;
    align-items: center;
    .update-head-bar {
        position: relative;
        background: white;
        height: 60%;
        width: 80%;
        border-radius: 20rpx;
        .head-bar {
            position: relative;
            width: 100%;
            height: 240rpx;
            .head-img {
                position: absolute;
                top: 0;
                left: 0;
                right: 0;
                width: 100%;
                height: 200rpx;
                border-radius: 18rpx 18rpx 0 0;
            }
        }
    }
    .update-content-bar {
        position: relative;
        background: white;
        height: calc(100% - 355rpx);
    }
    .update-action-bar {
        position: relative;
        background: white;
    }
}