@media screen and (max-width: 750px) {
    .main{
        width:6.9rem;

    }
    html{
        height:100%;
    }
    body{
        height:100%;
    }
    .body{
        width:100%;
        height:100%;
    }
    .banner{
        display:none;
    }
    .m_banner{
        display:block;
        background:url(../images/banner_m.jpg) no-repeat center;
        width:100%;
        height:8.05rem;
        background-size:auto 100%;
        cursor:pointer;
        position:relative;
    }
    .m_banner img{
        width:2rem;
        position:absolute;
        left:50%;
        margin-left:-1rem;
        top:4rem;
    }
    .ztn .title {
        font-size: 0.42rem;
        line-height: 0.42rem;
        margin-top: 0.55rem;
    }
    .ztn .br_m{
        width:0.88rem;
        height:0.05rem;
        background-color: #fd8702;
        display:block;
        margin:0.17rem auto 0 auto;
    }
    .ztn .content{
        margin-top:0.57rem;
        width:6.7rem;

    }
    .ztn .content .box {
        width: 3.18rem;
        height: 4.12rem;
        background: url(../images/box_bj.png) no-repeat center;
        border-radius: 10px;
        float: left;
        margin-right: 0.34rem;
        position: relative;
        overflow: hidden;
        margin-bottom:0.35rem;
    }
    .ztn .content .box_m{
        display:block;
    }
    .ztn .content .box2,.ztn .content .box_m{
        margin-right:0;
    }
    .ztn .content .box img{
        top: 0.5rem;
    }
    .ztn .content .box1 img {
        width:1.72rem;

        margin-left: -0.85rem;
    }
    .ztn .content .box2 img{
        width:1.46rem;
        margin-left:-0.73rem;
    }
    .ztn .content .box3 img{
        width:2.25rem;
        margin-left:-1.125rem;
    }
    .ztn .content .box_m img{
        width:3.06rem;
        margin-left:-1.2rem;
    }
    .ztn .content .box h2 {
        position: absolute;
        font-size: 0.18rem;
        text-align: center;
        top: 2.7rem;
        width: 100%;
    }

    .ztn .content .box .info {
        width: 100%;
        height: 1rem;
        background-color: #8a241b;
        position: absolute;
        bottom: 0;
    }
    .ztn .content .box .info p {
        font-size: 0.36rem;
        line-height: 1rem;
    }
    .ztn .content .box .info p b{
        font-size:0.5rem;
    }
    .ztn2 {
        background: url(../images/ztn2_bj.png) no-repeat bottom center;
        background-color: #fbc40f;
        background-size:100% auto;
        height: 6.5rem;
    }
    .ztn2 .title{
        display:none;
    }
    .ztn2 .title_m{
        display:block;
    }
    .ztn2 .content img{
        width:2.92rem;
    }
    .ztn2 .content p {
        font-size: 0.36rem;
        margin-top: 0.4rem;
        text-shadow: 5px 5px rgba(0,0,0,0.2);
    }
    footer{
        display:None;
    }
}