@media screen and (min-width:751px) {
    * {
        margin: 0;
        padding: 0;
        border: 0;
    }
    div{
        margin: 0;
        padding: 0;
        border: 0;
       
    }
    ul li{
        list-style: none;
    }
    .w {
        width: 1200px;
        margin: 0 auto;
    }
    .ck-slide {
        width: 100%;
        min-width: 1200px;
        height: 474px;
        position: relative;
    
    }
    .imageclass {
        width: 100%;
        height: 474px;
        position: relative;
        object-fit: cover;
    
    }
    header {
        width: 100%;
        height: 474px;
        min-width: 1200px;
        /* background-image: url("../aiimage/FaceRecognition/bannerbg.png"); */
        background-size: 100% 100%;
        position: relative;
    }
    .top {
        position: absolute;
        top: 119px;
        /* left: 360px; */
        width: 545px;
        text-align: left;
    }
    .title_one{
        font-family: Alibaba PuHuiTi;
        font-weight: 500;
        font-size: 36px;
        color: #FFFFFF;

    }
    .xian_one{
        width: 100px;
        height: 4px;
        background: #F5F2F6;
        margin: 40px 0 40px 0;

    }
    .content{
        font-family: Alibaba PuHuiTi;
        font-weight: 400;
        font-size: 16px;
        color: #FFFFFF;
        line-height: 30px;
    }
    .section_one{
        width: 100%;
        min-width: 1200px;
    }
    .section_one_content{
        display: flex;
        justify-content: space-between;
        padding: 70px 0;
        box-sizing: border-box;
    }
    .section_one_content_left{
        width: 580px;
        height: 268px;
        background: #FFFFFF;
        box-shadow: 0px 0px 17px 1px rgba(0,0,0,0.09);
        border-radius: 10px;
    }
    .section_one_content_left_top{
        width: 580px;
        height: 70px;
        background: linear-gradient(86deg,  #29C7FB,#3D93FD);
        border-radius: 10px 10px 0px 0px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0 24px;
        box-sizing: border-box;
    }
    .sectiontitle{
        font-family: Alibaba PuHuiTi;
        font-weight: 500;
        font-size: 24px;
        color: #FFFFFF;
    }
    .sectioncontent{
        display: flex;
        margin-bottom: 20px;
        align-items: center;
    }
    .sectioncontent_bottom{
        height: 198px;
        padding: 24px 19px 27px 24px;
        box-sizing: border-box;
     
    }
    .content_two{
        font-family: Alibaba PuHuiTi;
        font-weight: 400;
        font-size: 16px;
        color: #666666;
        margin-left: 7px;
        line-height: 18px;
    }
    .bluephone{
        width: 44px;
        height: 52px;
    }
    .rightimg{
        width: 22px;
        height: 22px;
    }
    .section_two{
        width: 100%;
        height: 869px;
        background: #F1F7FF;
        min-width: 1200px;
    }
    .neititle{
        font-family: Alibaba PuHuiTi;
        font-weight: 400;
        font-size: 28px;
        color: #333333;
        box-sizing: border-box;
        display: flex;
        align-items: center;
        justify-content: center;
        height: 26px;
    }
    .section_two_content{
        padding: 70px 0;
        box-sizing: border-box;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;

    }
    .section_two_content p{
        text-align: center;
        width: 526px;
        font-family: Alibaba PuHuiTi;
        font-weight: 400;
        font-size: 16px;
        color: #666666;
        margin: 27px auto 31px;

    }
    .equipment_miniimg{
        display: none;
    }
    .section_three_box{
    }
    
    .section_three h1{
        font-family: Alibaba PuHuiTi;
        font-weight: 400;
        font-size: 28px;
        color: #FFFFFF;
        text-align: center;
        display: flex;
        justify-content: center;
        align-items: center;
    }
   
    .section_three{
        width: 100%;
        height: 618px;
        /* background-image: url("../partimage/attendance/bg.png"); */
        background-color: #2b2e32;
        background-image: url("../aiimage/FaceRecognition/bg.png");
        background-size: 100% 100%;
        min-width: 1200px;
        padding: 59px 0 69px 0;
        box-sizing: border-box;
    }
    .start_left_img{
        width: 14px;height: 14px;margin-right: 8px;
    }
    .start_right_img{
        width: 14px;height: 14px;margin-left: 8px;
    }
    .section_three_content{
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-top: 37px;
    }
    .section_three_content img{
        width: 553px;
        height: 232px;
    }
    .section_three_left li{
        margin-bottom: 31px;
    }
    .section_three_left li h2{
        font-family: Alibaba PuHuiTi;
        font-weight: 400;
        font-size: 22px;
        color: #FFFFFF;
        display: flex;
        align-items: center;
    }
    .section_three_left li h2 img{
        width: 25px;
        height: 22px;
        margin-right: 10px;
    }
    .section_three_left li p{
        font-family: Alibaba PuHuiTi;
        font-weight: 400;
        font-size: 16px;
        color: #FFFFFF;
        margin-top: 4px;
        margin-left: 35px;
    }
    .section_four{
        width: 100%;
        min-width: 1200px;
        height: 1138px;
        background-image: url("../aiimage/FaceRecognition/twobg.png");
        background-size: 100% 100%;
        padding: 70px 0;
        box-sizing: border-box;
    }
    .section_four_top{
        display: flex;
        justify-content: space-between;
        margin-top: 55px;
    }
    .section_four_top ul{
        text-align: left;
        margin-top: 33px;
    }
    .section_four_top ul li{
        margin-bottom: 37px;
    }
    .section_four_top ul li img{
        width: 20px;
        height: 20px;
        margin-right: 10px;
    }
    .section_four_top ul li h2{
        font-family: Alibaba PuHuiTi;
        font-weight: 400;
        font-size: 22px;
        color: #10225A;
        display: flex;
        align-items: center;
    }
    .section_four_top ul li p{
        font-family: Alibaba PuHuiTi;
        font-weight: 400;
        font-size: 16px;
        color: #333333;
        margin-left: 30px;
        margin-top: 6px;
    }
    .computer_img{
        width: 709px;
        height: 401px;
    }
    .section_four_bottom{
        display: flex;
        justify-content: space-between;
        margin-top: 84px;
    }
    .phone_img{
        width: 641px;
        /* height: 416px; */
    }
}