* {
        margin: 0;
        padding: 0;
    }
    
    .w {
        margin: 0px auto;
        width: 1200px;
    }
    
    li {
        list-style: none;
    }
    /**产品介绍开始栏**/
    
    .pro-intr {
        height: 565px;
        background-color: #fff;
    }
    
    .pro-intr-img {
        display: block;
        float: left;
        width: 568px;
        height: 402px;
        position: relative;
        margin-top: 78px;
    }
    
    .pro-intr-img img {
        width: 568px;
        height: 402px;
    }
    
    .pro-intr-text {
        display: block;
        float: left;
        position: relative;
        margin-left: 46px;
        margin-top: 71px;
        width: 586px;
        height: 371px;
        background: rgba(255, 255, 255, 1);
        box-shadow: 0px 0px 26px 0px rgba(0, 0, 0, .11);
        border-radius: 10px;
    }
    
    .pro-intr-text h3 {
        height: 28px;
        font-size: 28px;
        font-family: PingFang SC;
        font-weight: bold;
        color: rgba(51, 51, 51, 1);
        line-height: 13px;
        margin: 54px auto auto 45px;
    }
    
    .pro-intr-text span {
        display: block;
        position: absolute;
        width: 41px;
        height: 5px;
        background-color: #25BCE9;
        top: 97px;
        left: 58px;
    }
    
    .pro-intr-text p {
        display: block;
        position: absolute;
        top: 142px;
        left: 58px;
        width: 480px;
        height: 168px;
        font-size: 16px;
        font-family: PingFang SC;
        font-weight: 500;
        color: rgba(102, 102, 102, 1);
        line-height: 26px;
    }
    /**产品介绍结束**/
    /**功能描述**/
    
    .fun-title {
        position: relative;
    }
    
    .fun-title img {
        height: 638px;
        width: 100%;
    }
    
    .fun-intr-text {
        height: 60px;
        width: 100%;
        top: 84px;
        text-align: center;
        position: absolute;
    }
    
    .fun-title h3 {
        height: 30px;
        font-size: 30px;
        font-family: PingFang SC;
        font-weight: bold;
        color: rgba(255, 255, 255, 1);
        line-height: 25px;
        margin-bottom: 18px;
    }
    
    .fun-title-text {
        height: 12px;
        font-size: 16px;
        font-family: Arial;
        font-weight: 400;
        color: rgba(255, 255, 255, 1);
        line-height: 16px;
    }
    
    .fun-intr {
        display: block;
        height: 372px;
        width: 1300px;
        position: absolute;
        margin: auto;
        top: 234px;
        left: 0;
        right: 0;
        bottom: 0;
    }
    
    .fun-intr ul {
        display: block;
        height: 50px;
    }
    
    .fun-intr ul li {
        display: block;
        float: left;
        height: 46px;
        width: 320px;
        margin: 0px 0px 76px 86px;
    }
    
    .fun-intr ul li img {
        display: block;
        width: 34px;
        height: 34px;
        float: left;
        margin-top: 6px;
    }
    
    .fun-intr ul li i {
        display: block;
        float: left;
        padding-top: 12px;
        color: #fff;
        font-size: 34px;
    }
    
    .fun-intr ul li span {
        display: block;
        float: left;
        margin-left: 22px;
        width: 250px;
        height: 46px;
        font-size: 16px;
        font-family: PingFang SC;
        font-weight: 500;
        color: rgba(255, 255, 255, 1);
        line-height: 30px;
    }
    /**功能介绍结束**/
    
    .system-top {
        height: 1700px;
        background: rgba(238, 245, 255, 1);
        position: relative;
        width: 100%;
    }
    
    .system-top div {
        text-align: center;
    }
    
    .system-top-title {
        height: 150px;
    }
    
    .system-top div h3 {
        display: block;
        height: 30px;
        font-size: 30px;
        font-family: PingFang SC;
        font-weight: bold;
        color: rgba(51, 51, 51, 1);
        line-height: 26px;
        padding-top: 83px;
    }
    
    .system-top div h5 {
        display: block;
        height: 12px;
        font-size: 16px;
        font-family: Arial;
        font-weight: 400;
        color: rgba(37, 188, 233, 1);
        line-height: 26px;
        padding-top: 48px;
    }
    
    .system-top-img {
        display: block;
        width: 1204px;
        height: 1425px;
        margin: 28px auto;
    }
    
    .system-top-img img {
        display: block;
        width: 1204px;
        height: 1403px;
        margin: 0px auto;
    }
    /**产品参数**/
    
    .pro-data {
        min-height: 1200px;
        position: relative;
    }
    
    .pro-data-title {
        text-align: center;
    }
    
    .pro-data div h3 {
        height: 30px;
        font-size: 30px;
        font-family: PingFang SC;
        font-weight: bold;
        color: rgba(51, 51, 51, 1);
        line-height: 26px;
        padding-top: 94px;
    }
    
    .pro-data div h5 {
        height: 12px;
        font-size: 16px;
        font-family: Arial;
        font-weight: 400;
        color: rgba(37, 188, 233, 1);
        line-height: 26px;
        margin: 48px auto;
    }
    
    .pro-data-text {
        display: block;
        width: 1180px;
        min-height: 880px;
        position: absolute;
        top: 256px;
        left: 0;
        right: 0;
        bottom: 0;
        margin: auto;
    }
    
    .pro-data-text ul li {
        display: block;
        width: 290px;
        min-height: 110px;
        float: left;
        margin: auto 150px;
    }
    
    .pro-data-text ul li span {
        width: 88px;
        height: 22px;
        font-size: 22px;
        font-family: PingFang SC;
        font-weight: bold;
        color: rgba(51, 51, 51, 1);
        line-height: 26px;
    }
    
    .pro-data-text ul li p {
        width: 290px;
        min-height: 14px;
        font-size: 16px;
        font-family: PingFang SC;
        font-weight: 500;
        color: rgba(102, 102, 102, 1);
        line-height: 26px;
        margin-top: 20px;
    }
    /**应用场景**/
    
    .app {
        height: 700px;
        background-color: #EEE;
        position: relative;
        width: 100%;
    }
    
    .app-title {
        text-align: center;
    }
    
    .app-title h3 {
        height: 28px;
        display: block;
        font-size: 30px;
        font-family: PingFang SC;
        font-weight: bold;
        color: rgba(51, 51, 51, 1);
        line-height: 26px;
        padding-top: 77px;
    }
    
    .app-title h5 {
        display: block;
        height: 12px;
        font-size: 16px;
        font-family: Arial;
        font-weight: 400;
        color: rgba(37, 188, 233, 1);
        line-height: 26px;
        margin-top: 48px;
    }
    
    .app-site {
        display: block;
        width: 1212px;
        height: 337px;
        margin: auto;
        position: absolute;
        top: 130px;
        left: 0;
        right: 0;
        bottom: 0;
    }
    
    .app-site ul li {
        display: block;
        float: left;
        margin: 0 20px;
        width: 263px;
        height: 337px;
        position: relative;
        overflow: hidden;
    }
    
    .app-site ul li img {
        width: 263px;
        height: 337px;
        transition: 1.5s;
    }
    
    .app-site ul li img:hover {
        transform: scale(1.5);
    }
    
    .app-site-tech h3 {
        left: 39.1%;
        width: 60px;
    }
    
    .app-site-lih3 {
        height: 28px;
        font-size: 30px;
        font-family: PingFang SC;
        font-weight: 500;
        color: rgba(249, 249, 249, 1);
        line-height: 26px;
        position: absolute;
        text-align: center;
        top: 141px;
    }
    
    .app-site-lih5 {
        height: 12px;
        font-size: 14px;
        font-family: PingFang SC;
        font-weight: 500;
        color: rgba(249, 249, 249, 1);
        line-height: 25px;
        position: absolute;
        text-align: center;
        top: 184px;
    }
    
    .app-site-tech h5 {
        left: 36.5%;
        width: 70px;
    }
    
    .app-site-meet h3 {
        left: 33.4%;
        width: 90px;
    }
    
    .app-site-meet h5 {
        left: 28%;
        width: 120px;
    }
    
    .app-site-lect h3 {
        left: 16.7%;
        width: 180px;
    }
    
    .app-site-lect h5 {
        width: 270px;
    }
    
    .app-site-train h3 {
        width: 60px;
        left: 39.1%;
    }
    
    .app-site-train h5 {
        width: 75px;
        left: 35.7%;
    }
    
    @font-face {
        font-family: 'iconfont';
        src: url('./iconfont/iconfont.eot');
        src: url('./iconfont/iconfont.eot?#iefix') format('embedded-opentype'), url('./iconfont/iconfont.woff2') format('woff2'), url('./iconfont/iconfont.woff') format('woff'), url('./iconfont/iconfont.ttf') format('truetype'), url('./iconfont/iconfont.svg#iconfont') format('svg');
    }
    
    .iconfont {
        font-family: "iconfont" !important;
        font-size: 16px;
        font-style: normal;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }