.service-IT-container {
    width: 100%;
    overflow-x: hidden;
}

.section {
    width: 100%;
    position: relative;
    box-sizing: border-box;
}


/* section-KV */

.section-KV {
    height: 29.84vw;
    background-image: url(https://files.yidatec.com/img/pc/service_IT/kv_bg.png);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section-KV .section-title {
    font-size: 2.6vw;
    color: #fff;
    position: relative;
    margin-top: 10.4vw;
}

.section-KV .section-title::before {
    display: block;
    content: '';
    width: 7.65vw;
    height: 0.2vw;
    background-color: #fff;
    position: absolute;
    bottom: -2.6vw;
    left: 50%;
    transform: translateX(-50%);
}


/* section-1 */

.section-1 {
    height: auto;
    box-sizing: border-box;
    padding-bottom: 4vw;
    background-image: url(https://files.yidatec.com/img/pc/service_IT/s1_bg.png);
    background-size: 100% 100%;
    background-repeat: no-repeat;
}

.section-1 .section-main {
    width: 100%;
    padding: 4.68vw 7.3vw 0;
    box-sizing: border-box;
}

.section-1 .section-main-header {
    width: 100%;
    height: 4.4vw;
    border-bottom: 1px solid #000;
    display: flex;
}

.section-1 .section-main-title {
    font-size: 2.3vw;
    position: relative;
}

.section-1 .section-main-title::after {
    display: block;
    content: '';
    width: 100%;
    height: 0.2vw;
    background-color: #000;
    position: absolute;
    left: 0;
    bottom: -1px;
}

.section-1 .section-main-desc {
    font-size: 1.3vw;
    font-weight: lighter;
    line-height: 1.9;
    margin-top: 3.125vw;
}

.section-1 .section-main-list {
    display: flex;
    justify-content: space-between;
    margin-top: 3vw;
}

.section-1 .section-main-list-item {
    width: 27vw;
    background-color: #fff;
    border-radius: 0.52vw 0.52vw 0 0;
    overflow: hidden;
    border-bottom: 0.3vw solid #4e5372;
}

.section-1 .section-main-list-item .header {
    width: 100%;
    height: 10.7vw;
    background-size: cover;
    background-repeat: no-repeat;
    padding-left: 2vw;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #fff;
    box-sizing: border-box;
}

.section-1 .section-main-list-item .icon {
    width: 3.125vw;
    height: 3.125vw;
}

.section-1 .section-main-list-item .title {
    font-size: 1.77vw;
    margin-top: 1.56vw;
}

.section-1 .section-main-list-item .body {
    font-size: 1vw;
    font-weight: lighter;
    line-height: 2;
    padding: 2vw;
    box-sizing: border-box;
}