.content-bg {
    background-image: url("../images/crm/bg.jpg");
    width: 100%;
    height: 214.27vw;
    background-position: center;
    background-size: cover;
}
.crm-banner {
    background-image: url("https://ec3s.oss-cn-beijing.aliyuncs.com/images/crm/banner.jpg");
    width: 100%;
    height: 33.85vw;
    background-size: cover;
    background-position: center;
}
.about-title.color-white:after {
    background-color: #fff;
}
.base-manage {
    padding-top: 3.95vw;
}
.base-sub-title {
    font-size: 1.04vw;
    text-align: center;
    margin-top: 2vw;
    line-height: 1.8vw;
    margin-bottom: 1.04vw;
}
.base-manage img, .user-group img {
    margin: 3.95vw auto;
}
.user-content {
    width: 59.89vw;
    margin: 3.95vw auto 0 auto;
    display: flex;
    border: 1px solid #4dbdff;
    align-items: center;
    flex-wrap: wrap;
}
.user-item {
    width: 20%;
    margin: 0 auto;
    height: 11.97vw;
}
.user-item:nth-of-type(odd) {
    background-image: url("../images/crm/blue-bg.jpg");
    height: 11.97vw;
    background-size: cover;
    color: #fff;
}
.user-item img {
    margin: 28% auto 10% auto;
    display: block;
}
.user-text {
    font-size: 1.25vw;
    text-align: center;
}
.user-group {
    padding-top: 8vw;
}
.margin-top-none {
    padding-top: 0 !important;
}
.base-manage img {
    width: 83.64vw;
    height: 29.53vw;
}
.user-group img {
    width: 36.97vw;
    height: 36.97vw;
}
.drive-container img {
    width: 46.97vw;
    height: 21.45vw;
}

@media screen and (min-width:1921px) {
    .content-bg {
        height: 4300px;
        background-position: bottom;
    }
    .crm-banner {
        height: 650px;
        position: relative;
    }
    .base-manage {
        padding-top: 75px;
    }
    .base-sub-title {
        font-size: 24px;
        text-align: center;
        margin-top: 40px;
        line-height: 35px;
        margin-bottom: 20px;
    }
    .base-manage img {
        margin: 75px auto;
    }
    .user-content {
        width: 1150px;
        margin: 75px auto 0 auto;
    }
    .user-item {
        height: 230px;
    }
    .user-item:nth-of-type(odd) {
        height: 230px;
    }
    .user-text {
        font-size: 24px;
    }
    .user-group {
        padding-top: 153px;
    }

    .base-manage img {
        width: 1606px;
        height: 567px;
    }
    .user-group img {
        width: 710px;
        height: 710px;
    }
    .drive-container img {
        width: 902px;
        height: 412px;
    }
}
@media screen and (max-width:750px) {
    .user-item img {
        width: 3vw !important;
    }
}