.con_next {
    width: 100%;
}

.tit-box {
    display: none;
}

.tab {
    display: block;
}

.m-tab {
    display: none;
}

@media screen and (max-width: 750px) {
    .tit-box {
        display: block;
    }

    .tab {
        display: none;
    }

    .m-tab {
        display: block;
        width: 100%;
    }

    .zj_21 .new_xq .xjxx_con {
        padding: 2rem 1rem;
        box-sizing: border-box;
        line-height: 1.5;
    }

    .zj_21 .new_xq .xjxx_con h2 {
        width: 100%;
        line-height: 1.5;
        text-align: center;
        font-size: 1.8rem;
        color: #333333;
        font-weight: bold;
    }

    .m-tab {
        margin: 0 auto 2rem;
        border-bottom: 1px solid #c8c8c8;
    }

    .m-tab .tab-list {
        display: flex;
        justify-content: space-between;
        border-top: 1px solid #c8c8c8;
        border-right: 1px solid #c8c8c8;
        border-left: 1px solid #c8c8c8;
    }

    .m-tab .tab-list .left {
        width: 30%;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 1.4rem;
        color: #4582be;
        font-weight: bold;
        padding: 1rem 0;
        box-sizing: border-box;
        flex: none;
        border-right: 1px solid #c8c8c8;
    }

    .m-tab .tab-list .right {
        flex: auto;
        padding: 1rem;
        box-sizing: border-box;
        font-size: 1.3rem;
        color: #666666;
    }
}

/* -----------------------信件详情新版样式------------------ */
.write_back .Ptable {
    color: #64676e;
    line-height: 30px; 
    border-right: #ececec 1px solid;
}

.write_back .Ptable td {
    background: #fff;
    padding: 7px 36px 7px 31px;
    font-size: 14px;
    line-height: 26px;
    height: auto;
    text-align: left;
    border-top: #ececec 1px solid;
    border-left: #ececec 1px solid;
    border-bottom: #ececec 1px solid;
}
.write_back .Ptable .tdTitle {
    padding:0;
    width:135px;
    line-height: 40px;
    text-align: center;
    font-size: 18px;
    background: #ebf3f8;
    border-top: #d9e7f2 1px solid;
    border-left: #d9e7f2 1px solid;
    vertical-align: top;
}

.write_back .Ptable .other td{
    border-bottom: #ececec 1px solid;
}

.write_back .Ptable .other .tdTitle{
    border-bottom: #d9e7f2 1px solid;
}
@media(max-width:1271px){
    .write_back{padding: 0 0 3rem; background: #fff;}
    .write_back .Ptable {
        line-height: 30px; 
    }
    .write_back .Ptable td {
        padding: 0.8rem 1.5rem;
        font-size: 1.3rem;
        line-height: 1.8rem;
    }
    .write_back .Ptable .tdTitle {
        padding:1.3rem 0;
        width:9.8rem;
        line-height: 1.8rem;
        font-size: 1.3rem;
    }
    
}