@media screen and (min-width:751px) {
    * {
        margin: 0;
        padding: 0;
        border: 0;
    }
    div{
        margin: 0;
        padding: 0;
        border: 0;
       
    }
    .w {
        width: 1200px;
        margin: 0 auto;
    }
    ul li{
        list-style: none;
    }
    .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/videophone/bannerbg.png"); */
        background-size: 100% 100%;
        position: relative;
    }
    .top {
        position: absolute;
        top: 119px;
        /* left: 360px; */
        width: 533px;
        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: 34px 0 ;
    }
    .content{
        font-family: Alibaba PuHuiTi;
        font-weight: 400;
        font-size: 16px;
        color: #FFFFFF;
        line-height: 30px;
    }
    .section_container{
        width: 100%;
        min-width: 1200px;
    }
    .section_container_content{
        display: flex;
        justify-content: space-between;
        padding: 70px 0;
        box-sizing: border-box;
    }
    .section_content_left{
        width: 580px;
        height: 268px;
        background: #FFFFFF;
        box-shadow: 0px 0px 17px 1px rgba(0,0,0,0.09);
        border-radius: 10px;
    }
    .section_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;
    }
    .sectioncontent_bottom{
        height: 198px;
        padding: 24px 17px 27px 24px;
        box-sizing: border-box;
     
    }
    .bottom_one li{
        align-items: center;
    }
    .content_two{
        font-family: Alibaba PuHuiTi;
        font-weight: 400;
        font-size: 16px;
        color: #666666;
        margin-left: 7px;
        line-height: 18px;
    }
    .bluephone{
        width: 52px;
        height: 52px;
    }
    .rightimg{
        width: 22px;
        height: 22px;
    }
    .section_main{
        width: 100%;
        min-width: 1200px;
        /* height: 856px; */
        background-image: url("../partimage/alipaynfc/adv-bg.png");
        background-size: 100% 100%;
    }
    .neititle{
        font-family: Alibaba PuHuiTi;
        font-weight: 400;
        font-size: 28px;
        color: #333333;
        padding: 70px 0 23px 0;
        box-sizing: border-box;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .section_main_content{
        padding: 70px 0 0 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;
    }
   
    .padcenter {
        display: flex;
        justify-content: center;
        align-items: center;
        font-family: Alibaba PuHuiTi;
        font-weight: 400;
        font-size: 16px;
        color: #666666;
        margin-top: 20px;
        text-align: center;
        /* line-height: 16px; */
    }
    .longxian{
        width: 500px;
        height: 1px;
        background: #ECEAEA;
        margin-bottom: 29px;
    }
    .left_right{
        display: flex;
        flex-direction: column;
        align-items: flex-end;
    }
    .videoimg{
        margin-top: 37px;
    }
    .videfour{
        width: 340px;
        height: 432px;
    }
    .section_three_bottom_left li p{
        font-family: Alibaba PuHuiTi;
        font-weight: 400;
        font-size: 18px;
        color: #FFFFFF;
        margin-top: 16px;
    }
    .neititlethree{
        font-family: Alibaba PuHuiTi;
        font-weight: 400;
        font-size: 28px;
        color: #FFFFFF;
        height: 26px;
    }
    .contentthree{
        text-align: center;
    }
    .section_three_bottom{
        display: flex;
        justify-content: space-between;
        margin-top: 50px;
    }
    .section_three_bottom_left{
        width: 717px;
    }
    .minivideoimgtwo{
        display: none;
    }
    .videoimgtwo{
        display: block;
    }
    .cardtitle{
        font-family: Alibaba PuHuiTi;
        font-weight: 400;
        font-size: 28px;
        color: #333333;
        text-align: center;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .description-content {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-direction: row-reverse;
        padding-bottom: 70px;
        box-sizing: border-box;
    }
    .des-img{
        width: 654px;
        height: 220px;
    }
    .description-content li{
        margin-top: 38px;
    }
    .description-content li:first-child{
        margin-top: 50px;
    }
    .description-content li h2{
        font-family: Alibaba PuHuiTi;
        font-weight: 400;
        font-size: 22px;
        color: #10225A;
        display: flex;
        align-items: center;
        line-height: 22px;
    }
    .description-content li img {
        margin-right: 10px;
    }
    .description-content li p{
        font-family: Alibaba PuHuiTi;
        font-weight: 400;
        font-size: 16px;
        color: #333333;
        margin-top: 13px;
        width: 384px;
        margin-left: 30px;
    }
}