@media (min-width: 0px) and (max-width:750px) {
    * {
        margin: 0;
        padding: 0;
        border: 0;
    }
    div{
        margin: 0;
        padding: 0;
        border: 0;
       
    }
    ul li{
        list-style: none;
    }
    .w {
        /* width: 100%; */
        margin: 0 auto;
    }
    .imageclass{
        display: none;
    }
    header {
        /* width: 100%; */
        height:4.6667rem;
        /* min-width: 100%; */
        background-image: url("../aiimage/k2Self-service/minibanner.png");
        background-size: 100% 100%;
        position: relative;
    }
    .phoneimageclass{
        width: 100%;
        height: 4.6667rem;
    }
    .phonew{
        position: absolute;
        top: .9rem;
        left: .6667rem;
        width: 5.0267rem;
       
    }
    .title_one{
        font-family: Alibaba PuHuiTi;
        font-weight: 500;
        font-size: .48rem;
        color: #FFFFFF;
    }
    .xian_one{
        width: 1.3333rem;
        height: .0533rem;
        background: #F5F2F6;
        margin: .3rem 0 0.35rem;

    }
    .content{
        font-family: Alibaba PuHuiTi;
        font-weight: 400;
        font-size: .2133rem;
        color: #FFFFFF;
        line-height: .4rem;
    }
    .section_one{
        width: 100%;
        height: 10.92rem;
        background-image: url("../aiimage/k2Self-service/minibg.png");
        background-size: 100% 100%;
        padding: .58rem .4rem  .6533rem  0.4rem;
        box-sizing: border-box;
    }
    .section_content ul{
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        margin-top: .4rem;
    }
    .section_content ul li{
        width: 4.4667rem;
        height: 4.2667rem;
        /* 边框渐变 */
        border: 1px solid transparent;
        border-radius: 10px;
        background-clip: padding-box, border-box;
        background-origin: padding-box, border-box;
        background-image: linear-gradient(-90deg, #EEF9FF, #F4F9FD),linear-gradient(0deg, #FFFFFF, #E9F6FD);
        margin-bottom: .2667rem;
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: .3733rem .4rem .3067rem .4rem;
        box-sizing: border-box;
        text-align: center;
    }
    .section_content ul li img{
        width: 1.3067rem;
        height: 1.48rem;
    }
    .section_content ul li h2{
        font-family: PingFang SC;
        font-weight: 500;
        font-size: .4rem;
        color: #333333;
        margin: .2rem 0 0.1rem 0;
    }
    .section_content ul li p{
        font-family: PingFang SC;
        font-weight: 400;
        font-size: .2933rem;
        color: #333333;
        line-height: 0.4rem;
    }
    .start_left_img{
        width: .2667rem;height: .2667rem;margin-right: .1067rem;
    }
    .start_right_img{
        width: .2667rem;height: .2667rem;margin-left: .1067rem;
    }
    .cardtitle{
        font-family: Alibaba PuHuiTi;
        font-weight: 500;
        font-size: .4267rem;
        color: #333333;
        text-align: center;
        display: flex;
        align-items: center;
        justify-content: center;
        height: .3467rem;
    }
    nav{
        padding: 0 0.4rem;
        box-sizing: border-box;
    }
}