#mb{
 background-color: #FFFFFF;
}

.serveCloud_mb_section1 {
    width: 100%;
    /* height: 43.73vw; */
    margin-top: 16vw;
    box-sizing: border-box;
    background: url(https://files.yidatec.com/img/mob/serve-cloud/bg.png) no-repeat;
    background-size: 61.3vw 100%;
    background-position-x: right;
    padding: 6.66vw 8.79vw 0 8.79vw;
}

.serveCloud_mb_section1 .serveCloud_mb_section1_title {
    font-size: 5.6vw;
    font-weight: 400;
    color: #000000;
}

.serveCloud_mb_section1 .serveCloud_mb_section1_line {
    width: 13.3vw;
    height: 0.53vw;
    background: #3261F5;
    margin: 3.2vw 0 4vw 0;
}

.serveCloud_mb_section1 .serveCloud_mb_section1_desc {
    font-size: 3.4vw;
    font-weight: 400;
    color: #000000;
    line-height: 5.6vw;
}

.serveCloud_mb_section2 {
    width: 100%;
    height: 71.73vw;
    box-sizing: border-box;
    padding: 0 7.19vw;
    padding-top: 6.13vw;
    background-color: #FFFFFF;
}

.serveCloud_mb_section2 img {
    width: 100%;
    height: 59.19vw;
}

.serveCloud_mb_section3 {
    width: 100%;
    height: auto;
    box-sizing: border-box;
    padding: 6.9vw 8.2vw;
    background: #EEF1F2;
}

.serveCloud_mb_section3_title {
    font-size: 5.3vw;
    font-weight: 400;
    color: #000000;
    margin-bottom: 6.9vw
}

.serveCloud_mb_section3_list {
    width: 100%;
    height: auto;
    margin-bottom: 8vw;
}

.serveCloud_mb_section3_list img {
    width: 5.3vw;
    height: 5.3vw;
    margin-bottom: 4.8vw;
}

.serveCloud_mb_section3_list p:nth-child(2) {
    font-size: 3.4vw;
    font-weight: 400;
    color: #000000;
    margin-bottom: 3.7vw;
}

.serveCloud_mb_section3_list p:nth-child(3) {
    font-size: 3.2vw;
    font-weight: 400;
    color: #393939;
    line-height: 5vw;
}