@media only screen and (min-width: 100px) and (max-width: 640px) {
    .header{
        display: none;
    }
    .m_top{
        display: block;
        position: fixed;
        top: 0;
        background: #ffffff;
        width: 100%;
        box-sizing: border-box;
        justify-content: space-between;
        align-items: center;
        padding: 0 14px;
        height: 44px;
        z-index: 3;
    }
    .m_top .logo{
        align-items: center;
        width: 57.6px;
    }
    .m_top .logo img{
        width: 100%;
        display: block;
    }
    .m_top .right_content{
        align-items: center;
    }
    .m_top .right_content .user{
        width: 18px;
        height: 18px;
        display: block;
        margin-right: 18px;
    }
    .m_top .right_content .user img{
        width: 100%;
        height: 100%;
        display: block;
    }
    .m_top .right_content span:last-child{
        display: inline-block;
        width: 18px;
        height: 18px;
    }
    .m_top .right_content span:last-child img{
        width: 100%;
    }
    .m_top .right_content .login{
        font-size: 14px;
        font-family: Microsoft YaHei;
        font-weight: 400;
        color: #FFFFFF;
        background: #ff464e;
        border-radius: 12px;
        padding: 2px 10px;
    }
    .m_top .registered {
        font-size: 14px;
        font-family: Microsoft YaHei;
        font-weight: 400;
        color: #ff464e;
        padding: 2px 10px;
        border: 1px solid #ff464e;
        border-radius: 12px;
        margin: 0 14px 0 5px;
    }
    .wall{
        height: 101px;
    }
    .filter_content{
        position: fixed;
        top: 44px;
        width: 100%;
        box-sizing: border-box;
        background: #fff;
        align-items: center;
        justify-content: space-between;
        padding: 0 14px;
        font-size: 12px;
        font-family: Microsoft YaHei;
        font-weight: 400;
        color: #666666;
        height: 22px;
        z-index: 2;
    }
    .filter_content .f_w{
        align-items: center;
    }
    .filter_content .filter_result span{
        font-size: 10px;
        font-family: Microsoft YaHei;
        font-weight: 400;
        color: #ff464e;
        padding: 2px 7px;
        border: 1px solid #ff464e;
        border-radius: 3px;
        background: #FFF3E6;
        display: inline-block;
    }
    .filter_content .filter_result span:not(:first-child){
        margin-left: 5px;
    }
    .filter_content .filter_icon{
        font-size: 0;
        border-left: 1px solid #CCCCCC;
        align-self: stretch;
        align-items: center;
        padding-left: 12px;
    }
    .filter_content .filter_icon span{
        font-size: 12px;
        font-family: Microsoft YaHei;
        color: #999999;
    }
    .filter_content .filter_icon img{
        width: 16px;
        height: 16px;
        display: inline-block;
        margin-right: 5px;
    }
    .type3{
        position: fixed;
        top: 66px;
        width: 100%;
        box-sizing: border-box;
        background: #fff;
        height: 35px;
        line-height: 35px;
        padding: 0 15px;
        justify-content: space-around;
        box-shadow: 0px 5px 5px rgba(0, 0, 0, 0.1);
    }
    .type3 div{
        font-size: 12px;
        font-family: Microsoft YaHei;
        color: #666666;
    }
    .type3 .active{
        color: #ff464e;
    }
    .type3 .dialog{
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        padding: 0 14px 14px;
        box-sizing: border-box;
        background: #fff;
        line-height: normal;
        transform: translateY(-100%);
        z-index: 2;
        transition: transform 0.5s;
    }
    .type3 .dialog_t{
        transform: translate(0);
    }
    .type3 .dialog .t1{
        margin-top: 9px;
    }
    .type3 .dialog .c1{
        font-size: 0;
    }
    .type3 .dialog .c1 span{
        display: inline-block;
        font-size: 11px;
        color: #999999;
        background: #eee;
        
        border-radius: 3px;
        padding: 4px 8px;
        margin-top: 5px;
        margin-right: 7px;
    }
    .type3 .dialog .c1 .active{
        color: #ff464e;
        background: #FFF3E6;
        border: 1px solid #ff464e;
        box-sizing: border-box;
    }
    .type3 .mask2{
        position: fixed;
        top: 44px;
        bottom: 0;
        left: 0;
        right: 0;
        display: none;
        background: rgba(0,0,0,0.5);
    }
    .goods_list{
        margin-top: 10px;
        margin-bottom: 0;
        padding: 0 14px;
        flex-wrap: wrap;
    }
    .goods_list .item{
        margin-left: 0;
        margin-bottom: 0;
        width: 49%;
        box-sizing: border-box;
    }
    .goods_list .item:nth-child(n + 3) {
        margin-top: 8px;
    }
    .goods_list .item:nth-child(even) {
        margin-left: 2%;
    }
    .goods_list .item dl dt{
        width: 100%;
        height: calc(49vw - 14px);
        margin: 0;
    }
    .goods_list .item dl dt img{
        width: 100%;
        height: 100%;
    }
    .goods_list .item dl .num{
        display: none;
    }
    .goods_list .item dl .btn{
        margin: 6px 9px 3% 9px;
        width: auto;
        font-size: 12px;
    }
    .goods_params,.goods_page_nav,.mbx{
        display: none;
    }
    .wrap {
        width: auto;
    }
    .d_flex{
        display: flex;
    }
    .xian{
        display: none;
    }
    .footer_wrap{
        padding: 0 14px;
        margin-top: 10px;
    }
    .footer_wrap ul{
        flex-wrap: wrap;
    }
    .footer_wrap ul li{
        width: 50%;
        height: auto;
        display: flex;
    }
    .footer_wrap ul li img{
        margin-top: 0;
    }
    .footer_wrap ul li:not(:first-child) {
        margin-left: 0;
    }
    .footer_wrap ul li .info {
        margin-top: 15px;
        margin-left: 0;
    }
    .footer_wrap ul li .info .title{
        color: #000000;
        font-size: 14px;
        font-weight: bold;
        line-height: normal;
    }
    .footer_wrap ul li .info .desc{
        font-size: 10px;
        color: #999;
    }
    .footer_wrap .copyright{
        margin-top: 15px;
    }
    .footer_wrap .copyright .jc{
        margin-bottom: 0;
        padding-bottom: 42px;
        margin-top: 9px;
        line-height: normal;
    }
    .mask{
        position: fixed;
        top: 44px;
        bottom: 0;
        left: 0;
        right: 0;
        display: none;
        background: rgba(0,0,0,0.5);
        z-index: 4;
    }
    .mask_left{
        width: 35%;
        text-align: center;
        position: fixed;
        top: 44px;
        background: #fff;
        bottom: 0;
        right: 0;
        font-size: 14px;
        font-family: Microsoft YaHei;
        font-weight: 400;
        color: #666666;
        transition: transform 0.5s;
        display: block;
        transform: translateX(100%);
        z-index: 4;
    }
    .mask_left_t{
        transform: translateX(0%);
        display: block;
    }
    .mask_left a{
        display: block;
        padding: 9px 0;
        border-bottom: 1px solid #eee;
    }
    .top{
        position: fixed;
        width: 60px;
        height: 60px;
        bottom: 10px;
        right: 10px;
        display: none;
    }
    .topShow{
        display: block;
    }
    .top img{
        width: 100%;
        height: 100%;
    }
}