.serve_mb_header {
    width: 100%;
    height: 37.33vw;
    background: url(https://files.yidatec.com/img/mob/serve/header.png) no-repeat;
    background-size: 100% 100%;
    box-sizing: border-box;
    margin-top: 16vw;
    padding: 10.66vw 8.79vw 0 8.79vw;
}

.serve_mb_header_title {
    width: 100%;
    color: #FFFFFF;
    margin-bottom: 2.93vw;
}

.serve_mb_header_title span:nth-child(1) {
    font-size: 4.53vw;
    font-weight: bold;
}

.serve_mb_header_title span:nth-child(2) {
    font-size: 4.53vw;
    font-weight: 400;
}

.serve_mb_header p {
    font-size: 3.4vw;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 5.1vw;
}

.serve_mb_content {
    width: 100%;
    height: auto;
    background: rgba(255, 255, 255, 0.1);
    box-sizing: border-box;
    padding: 4.8vw 3.4vw;
}

.serve_mb_content .serve_mb_section1 {
    width: 100%;
    height: 104.2vw;
    display: flex;
    justify-content: space-between;
}

.serve_mb_content .serve_mb_section1 .serve_mb_section1_left {
    width: 46.4vw;
    height: 100%;
}

.serve_mb_content .serve_mb_section1 .serve_mb_section1_right {
    width: 44.2vw;
    height: 100%;
    background: url(https://files.yidatec.com/img/mob/serve/img3.png) no-repeat;
    background-size: 100% 100%;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    box-sizing: border-box;
    padding-top: 40.26vw;
    flex-direction: column;
}

.serve_mb_content .serve_mb_section1 .serve_mb_section1_left .serve_mb_section1_left_top {
    width: 100%;
    height: 50.93vw;
    background: url(https://files.yidatec.com/img/mob/serve/img1.png) no-repeat;
    background-size: 100% 100%;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    box-sizing: border-box;
    padding-top: 18.4vw;
    flex-direction: column;

}

.serve_mb_content .serve_mb_section1 .serve_mb_section1_left .serve_mb_section1_left_bottom {
    width: 100%;
    height: 50.93vw;
    background: url(https://files.yidatec.com/img/mob/serve/img2.png) no-repeat;
    background-size: 100% 100%;
    margin-top: 1.87vw;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    box-sizing: border-box;
    padding-top: 18.4vw;
    flex-direction: column;
}

.serve_mb_content .serve_mb_section2 {
    width: 100%;
    height: 38.4vw;
    margin-top: 1.87vw;
    background: url(https://files.yidatec.com/img/pc/service/s1_bg5_default.png) no-repeat;
    background-size: 100% 100%;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    box-sizing: border-box;
    padding-top: 13.4vw;
    flex-direction: column;
}

.serve_mb_content .serve_mb_section4 {
    width: 100%;
    height: 38.4vw;
    margin-top: 1.87vw;
    background: url(https://files.yidatec.com/img/mob/serve/img7.png) no-repeat;
    background-size: 100% 100%;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    box-sizing: border-box;
    padding-top: 13.4vw;
    flex-direction: column;
}

.serve_mb_content .serve_mb_section3 {
    width: 100%;
    height: 60.26vw;
    display: flex;
    justify-content: space-between;
    margin-top: 1.87vw;
}

.serve_mb_content .serve_mb_section3 .serve_mb_section3_left {
    width: 45.3vw;
    height: 100%;
    background: url(https://files.yidatec.com/img/mob/serve/img5.jpg) no-repeat;
    background-size: 100% 100%;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    box-sizing: border-box;
    padding-top: 18.6vw;
    flex-direction: column;
}

.serve_mb_content .serve_mb_section3 .serve_mb_section3_right {
    width: 45.3vw;
    height: 100%;
    background: url(https://files.yidatec.com/img/mob/serve/img6.png) no-repeat;
    background-size: 100% 100%;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    box-sizing: border-box;
    padding-top: 18.6vw;
    flex-direction: column;
}

.serve_mb_section_icon1 {
    width: 6.3vw;
    height: 5.06vw;
}
.serve_mb_section_icon2{
    width: 5.86vw;
    height: 5.06vw;
}
.serve_mb_section_icon3{
    width: 5.86vw;
    height: 5.86vw;
}
.serve_mb_section_icon4{
    width: 5.8vw;
    height: 5.26vw;
}
.serve_mb_section_text {
    font-size: 3.73vw;
    font-weight: 400;
    color: #FFFFFF;
    margin-top: 4vw;
    text-align: center;
}