.main-body {
    /* margin-top: -100px; */
    /* min-width: 1200px; */
    position: relative;
    height: 75%;
    color: white;
    overflow: hidden;
}

.bg-img {
    position: absolute;
    background-color: rgba(0, 0, 0, 0);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
    width: 100%;
    height: 100%;
    color: white;
}

/* 行业应用 banner */

.bg-img-salt {
    background-image: url(../images/banner/salt_banner.jpg);
}

.bg-img-medicine {
    background-image: url(../images/banner/medicine_banner.jpg);
}

.bg-img-fmcg {
    background-image: url(../images/banner/fmcg_banner.jpg);
}

.bg-img-eiderdown {
    background-image: url(../images/banner/eiderdown_banner.jpg);
}

.bg-img-fertilizer {
    background-image: url(../images/banner/fertilizer_banner.jpg);
}

.bg-img-more {
    background-image: url(../images/banner/more_banner.jpg);
}

.bg-img-about {
    background-image: url(../images/banner/6379461833574953133893244.jpg);
}

.bg-img-cases {
    background-image: url(../images/banner/case_banner.jpg);
}

.bg-img-news {
    background-image: url(../images/banner/news_banner.jpg);
}

/* 数字产品服务  banner */

.bg-img-eqptMonitor {
    background-image: url(../images/banner/eqptMonitor_banner.jpg);
}

.bg-img-energyManage {
    background-image: url(../images/banner/energyManage_banner.jpg);
}

.bg-img-scmManage {
    background-image: url(../images/banner/scmManage_banner.jpg);
}

.bg-img-dataApply {
    background-image: url(../images/banner/dataApply_banner.jpg);
}

.bg-img-dataTrace {
    background-image: url(../images/banner/dataTrace_banner.jpg);
}

.bg-img-digitalMarketing {
    background-image: url(../images/banner/digitalMarketing_banner.jpg);
}

.bg-img-moreService {
    background-image: url(../images/banner/moreService_banner.jpg);
}

/* 解决方案 */

.bg-img-digitalFactory {
    background-image: url(../images/banner/digitalFactory_banner.jpg);
}

.bg-img-AI {
    background-image: url(../images/banner/AI_banner.jpg);
}

.bg-img-5G {
    background-image: url(../images/banner/5G_banner.jpg);
}

.bg-img-marketing {
    background-image: url(../images/banner/marketing_banner.jpg);
}

.bg-img-more-s {
    background-image: url(../images/banner/more_s_banner.jpg);
}

.top-text {
    text-align: left;
    position: relative;
    height: 100%;
    margin-left: auto;
    margin-right: auto;
}

.top_des {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80%;
    transform: translate(-48%, -50%);
}

.title1 {
    font-size: 3.75vw;
    color: #ffffff;
    font-style: italic;
    letter-spacing: 5px;
    margin-left: -5px;
}

.title2 {
    font-size: 1.25vw;
    color: #ffffff;
    line-height: 30px;
    margin-top: 20px;
    word-break: break-all;
    word-wrap: break-word;
}