@media screen and (min-width:992px) {
    body {
        font: 16px/1.6 microsoft yahei, arial;
    }
    .container-fluid {
        max-width: 1200px;
    }
    .moblie {
        display: none;
    }
    }
    
      @media only screen and (max-width: 960px) {
        .qidai {
          font-size: 13px;
          left: 23%;
        }
        .tanchuang {
          width: 92%;
        }
        .nav ul {
          width: 100%;
        }
        .nav ul li {
          width: 50%;
        }
        .bianyuan {
          padding: 15px;
          box-sizing: border-box;
        }
        .bianyuan h3 {
          margin-bottom: 10px;
          font-weight: 700;
        }
        .jisuan img {
          width: 100%;
        }
        .pos {
          left: 2%;
          top: 6%;
        }
        .batns img{
          width: 70%;
        }
        .fonts ul li {
          font-size: 15px;
          width: 94%;
          margin-left: 3%;
    
        }
        .qu_tisdo3_1 {
          color: #3147f1;
          font-size: 19px;
          font-weight: 700;
          margin: 20px -4%;
        }
        .Think_07 {
          padding: 3% 0;
          box-sizing: border-box;
        }
        .qu_tisd04 {
          font-size: 20px;
          color: #3147f1;
        }
      }
    .more_c {
        text-align: center;
        display: block;
        padding-top: 25px;
    }
    .more_c a {
        color: #fff;
        font-size: 20px;
        background: #e41058;
        padding: 10px 25px;
        border-radius: 50px;
        display: inline-block;
    }
    .nav_t {
        margin-bottom: 35px;
        border-bottom: 10px solid #0b39aa;
    }
    .nav_t span {
        color: #fff;
        font-size: 30px;
        display: inline-block;
        margin-right: 20px;
        padding-bottom: 10px;
    }
    .nav_t span:hover {
        cursor: pointer;
    }
    .on1 {
        margin-bottom: -9px;
        border-bottom: 10px solid #e41058;
    }
    .nav_t span.on {
        margin-bottom: -9px;
        border-bottom: 10px solid #e41058;
    }
    .con5 li:nth-child(1), .con5 li:nth-child(3) {
        padding: 80px 30px;
        background: url(//icon.zhiding.cn/stor-age/special/CAIC_5G_2020/images/czxczc_03.png) no-repeat;
        background-size: cover;
    }
    .bg5 {
        padding: 80px 30px;
        background: url(//icon.zhiding.cn/stor-age/special/CAIC_5G_2020/images/pic_16.png) no-repeat;
        background-size: cover;
    }
    .con6 {
        margin-top: 20px;
        border-left: 4px solid #50f6ff;
    }
    .con6 span {
        color: #040730;
        font-size: 24px;
        padding: 10px 30px;
        background: #50f6ff;
        display: inline-block;
        margin-top: 30px;
    }
    .k_tit{
        padding: 50px 0 40px 0;
    }
    .k_tit h2{
        font-size: 30px;
        color: #fff;
        line-height: 1.9;
    }
    .k_tit h3{
        font-size: 33px;
        color: #e41058;
        line-height: 1.9;
    }
    .k_imgbox{
        text-align: center;
    }
    .wzl{
        margin-bottom: 50px;
    }
    .con6 p {
        color: #8491b9;
        font-size: 18px;
        padding: 15px 0 0 20px;
    }
    .con6 p i {
        color: #fff;
        font-style: normal;
    }
    .con6 p b {
        color: #e41058;
        font-size: 24px;
    }
    /* .con5 {
        padding-bottom: 260px;
    } */
    .con7 {
        padding: 10px;
        background: #091f78;
    }
    .con7 h4 a{
        text-decoration: none;
        color: #fff;
        font-size: 20px;
    }
    .con7 h4:hover a{
        color: #e41058;
    }
    .con7 h4 {
        
        font-weight: bold;
        padding: 15px 5px 0;
        text-align: justify;
        min-height: 64px;
    }
    .con7 p {
        color: #fff;
        margin: 8px 5px 15px 5px;
        max-height: 88px;
        overflow: hidden;
    }
    .logo {
        margin: 0 -15px;
        overflow: hidden;
        padding-bottom: 410px;
    }
    .logo li {
        width: 20%;
        float: left;
        padding: 0 15px;
        margin-bottom: 30px;
    }
    .con8 {
        color: #fff;
    }
    .wzl{
        margin-top: 30px;
    }
    .wzl ul{
        padding: 0;
        font-size: 0;
    }
    .wzl ul li{
        display: inline-block;
        width: 46%;
        margin: 5px 0;
        margin-right: 8%;
        vertical-align: top;
    }
    .wzl ul li a{
        /* text-decoration: none; */
        color: #fff;
        font-size: 16px;
    }
    .wzl ul li:nth-of-type(2n){
        margin-right: 0;
    }
    @media screen and (max-width:960px) {
        .header .nav_list .k_logo img{
            width: 100px;
        }
        .header .nav_list{
            top: 12px;
        }
        .header .nav_list .k_list ul li a{
            font-size: 12px;
        }
        .header .nav_list .k_list ul{
            display: flex;
            flex-direction: row;
            justify-content: space-around;
        }
        .header .nav_list .k_list ul li{
            padding-left: 0;
        }
        .header .nav_list .k_list{
            float: none;
        }
        ul:after{
            display: none;
        }
    .retu {
        border: none;
        background: url(//icon.zhiding.cn/images/icon-pc-top-white.png) no-repeat center center rgba(210,62,62,.8);
    }
    .con1, .con7, .con8 {
        margin-bottom: 20px;
    }
    .con1{
        min-height: auto;
    }
    .con5 li:nth-child(1), .con5 li:nth-child(3),.bg5{
        padding: 35px 15px
    }
    .wzl ul li{
        width: 100%;
        margin-right: 0;
    }
    .con5 li:nth-of-type(1) p{
        font-size: 22px !important;
    }
    .txt p{
        text-align: justify;
    }
    .nav_t span {
        font-size: 20px;
    }
    .con5, .logo {
        padding-bottom: 0;
    }
    .logo li {
        width: 33.33333%;
    }
    .k_tit h2{
        font-size: 20px;
    }
    .k_tit h3{
        font-size: 22px;
    }
    .k_tit {
        padding: 30px 0 20px 0;
    }
    .k_imgbox img{
        width: 100%;
    }
    .wzl{
        margin-bottom: 30px;
    }
    
    }