.container .top {
    position: relative;
}

.container .top img {
    display: block;
    width: 100%;
}

.container .top .top-content {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.56);
    box-sizing: border-box;
    padding-top: 5.2vw;
    padding-left: 7.5vw;
}

.container .top .top-content .title {
    font-size: 2.6vw;
    color: #ffffff;
    padding-bottom: 2.08vw;
    position: relative;
}

.container .top .top-content .title::after {
    content: '';
    width: 7.65vw;
    height: 4px;
    background-color: #ffffff;
    position: absolute;
    bottom: -4px;
    left: 0;
}

.container .top .top-content .top-text {
    width: 90%;
    font-size: 1.5vw;
    line-height: 3.125vw;
    color: #ffffff;
    margin-top: 2.81vw;
}

.container .center {
    padding: 6.875vw 0 9.479vw;
    background-image: url('https://files.yidatec.com/img/pc/service_software/bg.png');
    background-size: 100% 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.container .center .center-top {
    display: flex;
    align-items: center;
}

.container .center .center-top .left img {
    display: block;
    width: 34.427vw;
}

.container .center .center-top .right {
    margin-left: 4.947vw;
}

.container .center .center-top .right .num img {
    display: block;
    width: 5.989vw;
}

.container .center .center-top .right .title {
    font-size: 1.77vw;
    color: #000000;
    font-weight: bold;
    margin-top: 2.29vw;
}

.container .center .center-top .right .text {
    width: 28.96vw;
    font-size: 1.1vw;
    color: #393939;
    line-height: 2.187vw;
    margin-top: 2.29vw;
}

.container .center .center-bottom {
    display: flex;
    align-items: flex-end;
}

.container .center .center-bottom .left {
    width: 34.427vw;
    box-sizing: border-box;
    padding-bottom: 1.66vw;
}

.container .center .center-bottom .left .num img {
    display: block;
    width: 5.989vw;
}

.container .center .center-bottom .left .title {
    font-size: 1.77vw;
    color: #000000;
    font-weight: bold;
    margin-top: 2.29vw;
    margin-bottom: 2.29vw;
}

.container .center .center-bottom .left .text .text-item {
    display: flex;
    align-items: center;
    color: #393939;
    font-size: 1.1vw;
    margin-bottom: 1.56vw;
}

.container .center .center-bottom .left .text .no-b {
    margin-bottom: 0;
}

.container .center .center-bottom .left .text .text-item .point {
    width: 0.364vw;
    height: 0.364vw;
    background-color: #000000;
    border-radius: 100%;
    margin-right: 0.83vw;
}

.container .center .center-bottom .right img {
    display: block;
    width: 34.427vw;
}