@media only screen and (max-width: 1680px) {
  .content{
    width: 1200px;
  }
  .header{
    width: 1200px;
  }
  .nav{
    width: 800px;
    height: 100px;
  }
  .nav li{
    width: 98px;
  }
  .nav li:first-child{
    width: 65px;
  }
  .bn_txt{
    width: 1200px;
  }
  /* 产品展示 */
  .product li{
    width: 350px;
    height: 210px;
  }
  .product li:first-child{
    width: 821px;
    height: 440px;
  }
  /* 关于我们 */
  .about_left{
    width: 650px;
  }
  .about_right{
    width: 400px;
  }
  .about_pic{
    height: 485px;
  }
  /* 新闻资讯 */
  .news li{
    width: 290px;
    height: 400px;
  }
  .news li:first-child{
    width: 580px;
    height: 400px;
  }
  /* 友情连接 */
  .link{
    width: 100%;
  }
  .link li{
    float: left;
    width: 171px;
  }
  .link_pic{
    width: 151px;
    height: 97px;
  }
  /* 尾部 */
  .foot_l{
    width: 500px;
  }
  .foot_c{
    width: 500px;
  }


  /* 产品中心 */
  .top_box {
    width: 1200px;
  }
  .pro ul{
    margin-right: -20px;
  }
  .pro li{
    float: left;
    width: 386px;
    height: 230px;
    margin: 0 20px 30px 0;
  }


  /* 新闻资讯 */
  .path {
    width: 1200px;
  }
  .news02 ul{
    margin-right: -30px;
  }
  .news02 li{
    width: 380px;
    margin: 0 30px 40px 0;
  }
  .news_pic02{
    height: 238px;
  }
}

@media only screen and (max-width: 1023px) {
  html {
    font-size: -moz-calc(100vw / 7.5);
    font-size: calc(100vw / 7.5);
  }
  .pc{
    display: none;
  }
  .phone{
    display: block;
  }
  .content{
    width: 94%;
    margin: 0 auto;
  }

  /*首页*/
  .header{
    width: 100%;
    min-height: 1rem;
    background: #fff;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10;
  }
  .logo{
    width: 50%;
    margin: 0.2rem 0 0.2rem 3.5%;
  }
  .logo img{
    display: block;
  }
  .menu_btn {
    width: 6%;
    position: absolute;
    top: 0.35rem;
    right: 14%;
  }
  .menu_box {
    background: #1759c2;
    background-size: 100%;
    width: 100%;
    height: 100vh;
    top: 0;
    left: 0;
    z-index: 999999;
    position: fixed;
    padding: 0.2rem 0.5rem 0;
    display: none;
    overflow-y: auto;
  }
  .menu_list {
    padding-bottom: 1rem;
  }
  .menu_list li {
    font-size: 0.3rem;
    padding-left: 0.3rem;
    line-height: 1rem;
    border-bottom: dashed 1px rgba(255, 255, 255, 0.5);
    position: relative;
  }
  .menu_list a{
    color: #fff;
  }
  .menu_list h3 {
    font-size: 0.3rem;
    font-weight: normal;
    color: #fff;
  }
  .menu_list li h3 {
    background: url(../images/nar1.png) no-repeat 95% center;
    background-size: 0.2rem;
    color: #fff;
    font-size: 0.3rem;
  }
  .menu_list li.current h3 {
    background: url(../images/nar2.png) no-repeat 95% center;
    background-size: 0.3rem;
    color: #fff;
  }
  .menu_list li ul {
    width: 100%;
    display: none;
    margin-bottom:0.4rem;
  }
  .menu_list li ul li {
    padding: 0;
    border: none;
    font-weight: normal !important;
    line-height: 0.8rem;
  }
  .menu_list li ul li i{
    width: 0.1rem;
    height: 0.1rem;
    border-radius: 50%;
    background: #fff;
    display: block;
    float: left;
    margin: 0.35rem 0.4rem 0 0;
  }
  .menu_close {
    font-size: 0.8rem;
    color: #fff;
  }
  .search_box {
    width: 0.42rem;
    height: 0.42rem;
    top: 0.35rem;
    right: 3.5%;
  }
  .banner{
    margin-top: 1rem;
  }
  .banner .swiper-pagination{
    bottom: 0.1rem;
  }
  .banner .swiper-pagination-bullet{
    width: 0.4rem;
    height: 0.4rem;
    background-size: 100% 100%;
    margin: 0 0.1rem;
  }
  .banner .swiper-button-prev,.banner .swiper-button-next{
    display: none;
  }
  .bn_txt{
    width: 80%;
  }
  .bn_txt h1{
    font-size: 0.45rem;
    line-height: 0.8rem;
  }
  .bn_txt h2{
    font-size: 0.24rem;
    line-height: 0.5rem;
    letter-spacing: 0;
    margin-bottom: 0.2rem;
  }
  .bn_btn{
    width: 1.7rem;
    height: 0.6rem;
    line-height: 0.6rem;
    font-size: 0.2rem;
  }
  .bn_btn img{
    display: none !important;
  }
  .bn_btn a:hover{
    color: #fff;
  }
  .bn_btn:hover{
    background: none;
  }
  .product_bg{
    padding: 0.56rem 0 0.7rem;
  }
  .product_title{
    text-align: center;
    margin-bottom: 0.4rem;
  }
  .product_title h1{
    font-size: 0.4rem;
    line-height: 0.8rem;
  }
  .product_title i{
    width: 0.8rem;
    height: 3px;
    border-radius: 3px;
    margin: 0 auto;
  }
  .product_title h2{
    color: #adacac;
    font-size: 0.5rem;
    line-height: 0.9rem;
    margin-bottom: 0.4rem;
  }
  .product_list{
    position: static;
  }
  .product_list ul{
    margin-right: -3%;
  }
  .product_list li{
    width: 30.33%;
    margin-right: 3%;
    font-size: 0.22rem;
    height: 0.5rem;
    line-height: 0.5rem;
    background: #fff;
  }
  .product_list li span{
    display: none;
  }
  .product_list .pon{
    color: #003ea1;
  }
  .product_area{
    margin-bottom: 0.3rem;
  }
  .product_area .swiper-wrapper{
    padding-bottom: 1rem;
  }
  .product_area .swiper-pagination-bullet{
    background: #003ea1;
    margin: 0 4px;
  }
  .product02{
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    overflow: hidden;
  }
  .product02 img{
    height: 2rem;
    object-fit: cover;
  }
  .product02 h4{
    line-height: 0.6rem;
    text-align: center;
    background: #fff;
    font-weight: normal;
    font-size: 0.24rem;
    color: #333;
    overflow: hidden; 
    white-space: nowrap; 
    text-overflow: ellipsis;
  }
  .product_more{
    width: 2.4rem;
    height: 0.6rem;
    line-height: 0.6rem;
    font-size: 0.22rem;
  }
  .about_box{
    padding: 0.78rem 0;
  }
  .about_left{
    float: none;
    width: 100%;
  }
  .about{
    font-size: 0.24rem;
    line-height: 0.5rem;
    height: 3.5rem;
    -webkit-line-clamp: 7; 
    margin-bottom: 0.7rem;
  }
  .about_list {
    margin-bottom: 0.6rem;
  }
  .about_list li{
    width: 25%;
    font-size: 0.24rem;
    line-height: 0.5rem;
  }
  .about_list li:nth-child(2){
    width: 50%;
  }
  .about_list h4 b{
    font-size: 0.4rem;
    letter-spacing: 0;
    line-height: 0.6rem;
  }
  .about_list h4 span{
    font-size: 0.24rem;
  }
  .about_right{
    float: none;
    width: 70%;
    margin-left: 22%;
  }
  .about_pic{
    height:5.8rem;
  }
  .about_more{
    width: 1.4rem;
    height: 1.5rem;
    font-size: 0.22rem;
    line-height: 0.4rem;
    left: -20%;
    bottom: 10%;
  }
  .about_more span{
    font-size: 0.3rem;
  }
  .about_line{
    width: 1.28rem;
    height: 1.3rem;
    top: 0.1rem;
    left: 0.06rem;
  }
  /* 新闻资讯 */
  .news_bg{
    padding: 0.5rem 0 0.6rem;
  }
  .news_title{
    text-align: center;
    margin-bottom: 0.6rem;
  }
  .news_title h1{
    font-size: 0.4rem;
    line-height: 0.8rem;
  }
  .news_title i{
    width: 0.8rem;
    height: 3px;
    border-radius: 3px;
    margin: 0 auto;
  }
  .news_title h2{
    font-size: 0.5rem;
    line-height: 0.9rem;
    margin-bottom: 0.4rem;
  }
  .news_list{
    position: static;
  }
  .news_list ul{
    margin-right: -3%;
  }
  .news_list li{
    width: 30.333%;
    text-align: center;
    height: 0.5rem;
    line-height: 0.5rem;
    background: #fff;
    color: #222;
    margin-right: 3%;
  }
  .news_list li span{
    display: none;
  }
  .news_list li:last-child span{
    display: none;
  }
  .news_list .non{
    color: #003ea1;
  }
  .news_box{
    padding-bottom: 0.6rem;
  }
  .news ul{
    margin-right: -5%;
  }
  .news li{
    float: left;
    width: 45%;
    height: 4.4rem;
    margin-right: 5%;
  }
  .news li:first-child{
    width: 95%;
    height: 4rem;
    margin: 0 5% 5% 0;
  }
  .news_tm{
    padding: 0.2rem;
  }
  .news_date01{
    font-size: 0.24rem;
  }
  .news_date01 span{
    font-size: 0.38rem;
    padding-right: 6px;
  }
  .news_txt{
    line-height: 0.4rem;
    font-size: 0.24rem;
  }
  .news_pic{
    height: 2.2rem;
    margin-bottom: 0.1rem;
  }
  .news_text h4{
    font-size: 0.28rem;
    line-height: 0.5rem;
    margin-bottom: 0.1rem;
  }
  .news_text_p{
    font-size: 0.22rem;
    line-height: 0.3rem;
    height: 0.6rem;
    margin-bottom: 0.2rem;
  }
  .news_bot{
    height: 0.7rem;
    line-height: 0.7rem;
  }
  .news_bot img{
    width: 0.3rem;
    height: 0.1rem;
    margin-top: 0.3rem;
  }
  .news_date02{
    font-size: 0.24rem;
  }
  .news_date02 span{
    font-size: 0.3rem;
  }
  /* 友情连接 */
  .link_box{
    padding: 1rem 0 0.9rem;
  }
  .link_area .swiper-wrapper{
    padding-bottom: 1rem;
  }
  .link_area .swiper-pagination-bullet{
    background: #003ea1;
    margin: 0 4px;
  }
  .link_pic{
    width: 100%;
    height: 1.6rem;
    border: solid 1px #ccc;
    box-sizing: border-box;
    margin: 0;
  }
  .link_pic img{
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  /* 尾部 */
  .foot_bg{
    padding: 0.6rem 0;
  }
  .foot_l{
    float: none;
    width: 100%;
    margin-bottom: 0.5rem;
  }
  .f_logo{
    width: 75%;
    margin: 0 auto 0.2rem;
  }
  .f_con{
    font-size: 0.24rem;
    line-height: 0.5rem;
  }
  .f_con h4{
    font-size: 0.32rem;
    line-height: 0.6rem;
  }
  .code{
    float: none;
    width: 1.7rem;
    margin: 0 auto;
  }
  .code img{
    width: 1.7rem;
    height: 1.7rem;
  }
  .code h4{
    font-size: 0.24rem;
    line-height: 0.5rem;
  }
  .copyright{
    font-size: 0.24rem;
    line-height: 0.4rem;
    padding: 0.2rem 0;
  }
  /* 漂浮 */
  .pf_box{
    display: none;
  }


  /* 产品中心 */
  .bn_con{
    font-size: 0.24rem;
    line-height: 0.4rem;
    top: 44%;
    transform: translate(0, -44%);
  }
  .bn_con h1{
    font-size: 0.48rem;
    line-height: 0.7rem;
    margin-bottom: 0.2rem;
  }
  .top_line {
    margin-bottom: 0.8rem;
  }
  .top_box {
    width: 100%;
    padding: 0 0.2rem;
    height: 1.2rem;
    line-height: 1.2rem;
    font-size: 0.3rem;
  }
  .top_box i span {
    width: 0.7rem;
  }
  .main{
    padding-bottom: 0.2rem;
  }
  .pro ul{
    margin-right: -4%;
  }
  .pro li{
    width: 46%;
    height: 2.8rem;
    border-radius: 10px;
    margin: 0 4% 5% 0;
  }
  .pro_fon{
    height: 0.6rem;
    line-height: 0.6rem ;
    font-size: 0.24rem;
  }
  .page{
    font-size: 0.24rem;
    line-height: 0.36rem;
    margin: 0.6rem 0;
  }
  .page a{
    padding: 0 0.1rem;
    margin: 0 0.01rem;
  }
  .page a:hover{
    color: #fff;
    border: solid 1px #e5e5e5;
    background: #073190;
  }


  /* 新闻资讯 */
  .path {
    width: 94%;
    font-size: 0.24rem;
    padding: 0.3rem 0;
  }
  .path img {
    width: 0.2rem;
    margin: 0.05rem 0.1rem 0 0;
  }
  .news02 ul{
    margin-right: -4%;
  }
  .news02 li{
    width: 46%;
    border-radius: 5px;
    margin: 0 4% 4% 0;
  }
  .news_pic02{
    height: 2rem;
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
    margin-bottom: 0.1rem;
  }
  .news02 .news_text_p{
    font-size: 0.24rem;
    line-height: 0.4rem;
    height: 0.8rem;
  }


  /* 人才招聘 */
  .join li{
    font-size: 0.24rem;
    margin-bottom: 0.2rem;
  }
  .join li h3{
    height:0.9rem;
    line-height:0.9rem;
    text-indent:0.24rem;
  }
  .join_body{
    padding: 0.6rem 0.4rem;
    line-height: 0.4rem;
  }


  /* 联系我们 */
  .m_contact {
    width: 90%;
    padding: 0.5rem 0;
    margin: 0 auto;
  }
  .m_contact li {
    float: none;
    width: 100%;
    text-align: left;
    font-size: 0.24rem;
    background: none;
    margin-bottom: 0.6rem;
  }
  .m_contact li img {
    float: left;
    width: 0.6rem;
    height: 0.6rem;
    margin: 0.15rem 0.2rem 0 0;
  }
  .m_contact li:last-child {
    background: none;
  }
  .m_contact li p {
    margin: 0.2rem;
  }
  .m_contact li h3 {
    font-size: 0.3rem;
  }
  .map{
    width: 100%;
    height: 4.8rem;
  }
  .map .BMap_bubble_title{
    font-size: 0.26rem;
    line-height: 0.4rem;
    margin-bottom: 0.1rem;
  }
  .map .BMap_bubble_content{
    font-size: 0.22rem;
  }
  .map .BMap_pop{
    top: 0 !important;
  }
  .map .BMap_shadow{
    top: 0 !important;
  }

  /* 详情 */
  .show_tt{
    line-height: 0.8rem;
    font-size: 0.48rem;
    margin-bottom: 0.7rem;
  }
  .show_pic{
    width: 90%;
    margin: 0 auto 0.6rem;
  }
  .text_tt{
    font-size: 0.24rem;
    line-height: 0.5rem;
    margin-bottom: 0.2rem;
  }
  .text{
    font-size: 0.22rem;
    line-height: 0.4rem;
    margin-bottom: 0.5rem;
  }
  .fenye{
    width: 95%;
    margin: 0.3rem auto;
    padding-top: 0.2rem;
  }
  .fenye li{
    height: 0.5rem;
    line-height: 0.5rem;
    font-size: 0.26rem;
  }

  /* 关于我们 */
  .main_nav_box{
    height: 1.2rem;
    margin-bottom: 0.4rem;
  }
  .main_nav{
    width: 100%;
    height: 1.2rem;
  }
  .main_nav li{
    width: 25%;
    font-size: 0.28rem;
    line-height: 1.2rem;
  }
  .main_nav i{
    width: 10rem;
    height: 0.02rem;
  }
  .main_about{
    font-size: 0.24rem;
    line-height: 0.5rem;
  }
  .m{
    padding-bottom: 0.9rem;
  }
  .m02{
    padding: 0.4rem 0 0.9rem;
  }
  .org_box{
    padding-top: 0.75rem;
  }
  .org_pic{
    height: 4rem;
    margin-bottom: 0.2rem;
  }
  .org_txt{
    font-size: 0.24rem;
    line-height: 0.5rem;
  }
  .org_txt span{
    font-size: 0.3rem;
    padding-right: 0.1rem;
  }
  .m_honor{
    float: none;
    width: 100%;
  }
  .m_honor ul{
    margin-right: -4%;
  }
  .m_honor li{
    width: 46%;
    margin: 0 4% 4% 0;
  }
  .m_honor h4{
    font-size: 0.28rem;
    line-height: 0.6rem;
  }
  .m_honor_pic{
    height: 4rem;
    margin-bottom: 0.2rem;
  }
  .m_bg{
    background-size: 7.5rem 0.94rem;
    padding-bottom: 2rem;
  }
  .dsj_box{
    margin-top: 0.74rem;
  }
  .dsj_box .swiper-slide-active .dsj{
    margin: 0;
  }
  .dsj{
    padding: 0 0 0.74rem 0.2rem;
    margin-top: 0.5rem;
  }
  .dsj i{
    height: 0.24rem;
  }
  .dsj h4{
    font-size: 0.4rem;
    line-height: 0.32rem;
    margin-bottom: 0.36rem;
  }
  .dsj_txt{
    font-size: 0.24rem;
    line-height: 0.45rem;
  }
  .dsj_box .swiper-button-prev,.dsj_box .swiper-button-next{
    width: 0.46rem;
    height: 0.46rem;
    bottom: 0.1rem;
  }
  .dsj_box .swiper-button-prev{
    left: 0.2rem;
  }
  .dsj_box .swiper-button-next{
    left: 0.9rem;
  }
}