@media screen and (max-width: 767px) {
  
   
       .banner .logo {
            width: 100%;
            min-height: 100%;
        }
    

  .mobile_nav {
    background-color: #fff;
    height: 3.88888889rem;
    line-height: 3.88888889rem;
    width: 100%;
    padding: 0 0.83333333rem;
    z-index: 98;
  }
  .mobile_nav .logo img {
    width: 100%;
  }
  .mobile_nav .menu_box {
    text-align: right;
  }
  .mobile_nav .menu_box i {
    font-size: 1.33333333rem;
    vertical-align: middle;
  }
  #mobile_menu {
    display: none;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    position: fixed;
    z-index: 9999999;
  }
  #mobile_menu_tab {
    width: 8.88888889rem;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    position: fixed;
    z-index: 1000000000;
    left: -8.88888889rem;
    transition: all 300ms linear;
  }
  #mobile_menu_tab li {
    height: 2.77777778rem;
    line-height: 2.77777778rem;
    border-bottom: 0.05555556rem solid #cccccc;
    text-align: center;
  }
  #mobile_menu_tab li a {
    color: #ffffff;
    width: 100%;
    display: inline-block;
  }
  .headline {
    height: 4.44444444rem;
    line-height: 4.44444444rem;
    font-size: 0.77777778rem;
    color: #959696;
    text-align: center;
  }
  .phone_tab {
    text-align: center;
  }
  .phone_tab li:hover {
    cursor: pointer;
    background-color: #aeb3b9;
  }
  .phone_tab li:hover p {
    color: #3f89f2;
  }
  .phone_tab li {
    display: inline-block;
    width: 5.27777778rem;
    height: 5.27777778rem;
    border-left: 0.05555556rem solid #ccc;
    border-top: 0.05555556rem solid #ccc;
    border-bottom: 0.05555556rem solid #ccc;
    text-align: center;
    padding-top: 1.38888889rem;
  }
  .phone_tab li img {
    height: 1.27777778rem;
  }
  .phone_tab li p {
    padding-top: 0.55555556rem;
    font-size: 0.66666667rem;
    color: #3f89f2;
  }
  .Carousel {
    margin-top: 2.77777778rem;
    overflow: hidden;
  }
  .Carousel .picture {
    position: relative;
  }
  .Carousel .picture .big {
    width: 100%;
  }
  .Carousel .picture .title {
    position: absolute;
    top: 9%;
    left: 26%;
    font-size: 1.22222222rem;
    color: #fffefe;
  }
  .Carousel .picture .title-mini {
    position: absolute;
    top: 28%;
    left: 26%;
    font-size: 0.77777778rem;
    color: #fffefe;
  }
  .Carousel .picture .button a {
    display: inline-block;
    border-radius: 1.22222222rem;
    width: 6.66666667rem;
    height: 1.66666667rem;
    line-height: 1.66666667rem;
    text-align: center;
    padding: 0;
    background-color: #3f89f2;
    position: absolute;
    top: 74%;
    left: 26%;
    font-size: 0.77777778rem;
    color: #fffefe;
  }
  .Carousel .picture .right {
    position: absolute;
    top: 46%;
    right: 20%;
    width: 1rem;
  }
  .Carousel .picture .right img {
    width: 100%;
  }
  .Carousel .picture .left {
    position: absolute;
    top: 46%;
    left: 20%;
    width: 1rem;
  }
  .Carousel .picture .left img {
    width: 100%;
  }
  .news {
    text-align: center;
  }
  .news h2 {
    margin-top: 2.77777778rem;
    font-size: 1.33333333rem;
    color: #2c84ff;
  }
  .news .Notice {
    margin: 0.5rem 0;
    font-size: 0.88888889rem;
    color: #2c84ff;
  }
  .news .line {
    font-size: 0.83333333rem;
    line-height: 0.88888889rem;
    text-indent: -555.5rem;
    width: 2em;
    border-top: 0.11111111rem solid #1b39a7;
    margin: 0 auto;
  }
  .news .newTab {
    margin-top: 1.11111111rem;
    text-align: center;
    font-size: 0;
  }
  .news .newTab .newTab_active {
    background-color: #2c84ff;
    color: #fff;
  }
  .news .newTab li {
    border: 0.05555556rem solid #2c84ff;
    border-right: none;
    display: inline-block;
    padding: 0.22222222rem 0.55555556rem;
    font-size: 0.66666667rem;
    color: #2c84ff;
  }
  .news .newTab li:last-child {
    border-right: 0.05555556rem solid #2c84ff;
  }
  .news .index_content {
    margin: 1.66666667rem auto;
    background-color: #f5f5f5;
    padding: 1.11111111rem 2.22222222rem;
  }
  .news .left {
    position: relative;
    padding: 0;
    text-align: center;
  }
  .news .left img {
    max-height: 10rem;
  }
  .news .left p {
    width: 100%;
    height: 1.66666667rem;
    line-height: 1.66666667rem;
    font-size: 0.77777778rem;
    color: #fff;
    position: absolute;
    bottom: 0;
    left: 0;
    background-color: rgba(5, 5, 5, 0.4);
  }
  .news .right {
    width: 100%;
    padding-top: 4%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .news .right li {
    font-size: 0.66666667rem;
    line-height: 1.94444444rem;
  }
  .news .right li a {
    color: #595959;
  }
  .news .right .more {
    font-size: 0.77777778rem;
    width: 5.55555556rem;
    height: 1.66666667rem;
    line-height: 1.66666667rem;
    padding: 0;
    text-align: center;
  }
  .new_center .new_nav {
    height: 3.33333333rem;
    line-height: 3.33333333rem;
    border-bottom: 0.05555556rem solid #e2e2e2;
  }
  .new_center .new_nav .new_nav_title {
    padding: 0 1.11111111rem;
    background-color: #ef8201;
    color: #fff;
    font-size: 1rem;
    margin-left: 0.55555556rem;
    margin-right: 1.66666667rem;
  }
  .new_center .new_nav li {
    display: inline-block;
    font-size: 0.77777778rem;
    padding: 0 0.55555556rem;
  }
  .new_center .new_nav li span {
    padding: 0.27777778rem;
  }
  .new_center .new_nav .new_nav_active {
    border-radius: 0.55555556rem;
    background-color: #2c84ff;
    color: #fff;
  }
  .new_center .new_main .new_NEWS p:nth-child(1) {
    font-size: 20px;
    padding-top: 20px;
    color: #999;
  }
  .new_center .new_main .new_NEWS p:nth-child(2) {
    font-size: 18px;
    padding: 10px 0 14px 0;
    color: #000;
  }
  .new_center .new_main .new_NEWS .new_box {
    padding: 15px 0;
    border-bottom: 1px dashed #999;
  }
  .new_center .new_main .new_NEWS .new_box .new_left {
    display: inline-block;
  }
  .new_center .new_main .new_NEWS .new_box .new_left img {
    width: 100%;
  }
  .new_center .new_main .new_NEWS .new_box .new_right {
    padding-left: 20px;
    display: inline-block;
    text-align: left;
  }
  .new_center .new_main .new_NEWS .new_box .new_right h3 a {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
    display: inline-block;
    font-size: 16px;
    color: #333;
    margin: 15px 0;
  }
  .new_center .new_main .new_NEWS .new_box .new_right h3 a:hover {
    color: #ef8201;
  }
  .new_center .new_main .new_NEWS .new_box .new_right .time {
    font-size: 12px;
    padding: 0 0 15px 0;
    color: #999;
  }
  .new_center .new_main .new_NEWS .new_box .new_right .abstract {
    display: -webkit-box;
    text-indent: 2em;
    overflow: hidden;
    white-space: normal !important;
    text-overflow: ellipsis;
    word-wrap: break-word;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical ;
    font-size: 14px;
    color: #000;
    line-height: 26px;
  }
  .case {
    height: 4.44444444rem;
    line-height: 4.44444444rem;
    text-align: center;
    font-size: 1.33333333rem;
    color: #233394;
  }
  .data {
    text-align: center;
    font-size: 1.11111111rem;
    color: #8f8f8f;
    padding-bottom: 1.11111111rem;
  }
  .city {
    margin-right: 3.33333333rem;
  }
  .school {
    text-align: center;
    padding: 0 3.33333333rem;
  }
  .school li {
    max-width: 100%;
    display: inline-block;
    margin: 1rem 0;
    border-radius: 0.77777778rem;
  }
  .school li img {
    width: 100%;
    border-radius: 10px;
  }
  .school li div {
    padding-top: 0.44444444rem;
    font-size: 0.77777778rem;
  }
  .product .switch {
    height: 4.44444444rem;
    line-height: 4.44444444rem;
  }
  .product .switch li {
    font-size: 1rem;
  }
  .product .switch .one {
    margin-right: 4.44444444rem;
  }
  .product .product_content .product_ipad {
    margin-top: 10px;
  }
  .product .product_content .link {
    text-align: center;
    padding: 0 1.33333333rem;
  }
  .product .product_content .link li:hover {
    transform: scale(1.05);
  }
  .product .product_content .link li {
    max-width: 100%;
    display: inline-block;
    opacity: 0.9;
    text-align: center;
    margin: 0.55555556rem 0px;
    position: relative;
    padding: 0 1.33333333rem;
  }
  .product .product_content .link li a {
    display: inline-block;
  }
  .product .product_content .link li img {
    width: 94%;
    border-radius: 10px;
  }
  .product .product_content .link li h2 {
    width: 100%;
    color: #fff;
    font-size: 1.22222222rem;
    padding-bottom: 1.11111111rem;
    position: absolute;
    top: 3.22222222rem;
    left: 50%;
    transform: translate(-50%);
  }
  .product .product_content .link li p {
    font-size: 0.77777778rem;
    width: 100%;
    position: absolute;
    top: 5.55555556rem;
    left: 50%;
    color: #fff;
    transform: translate(-50%);
  }
  .product .product_content .link li .p2 {
    position: absolute;
    top: 6.94444444rem;
    left: 50%;
  }
  .resolve .container .res_content {
    margin: 30px 0 125px 0;
    padding: 0 25px 50px;
    background-color: #fffefe;
  }
  .resolve .container .res_content div {
    margin-top: 30px;
  }
  .resolve .container .res_content div h2 {
    font-size: 16px;
    text-indent: 1em;
    color: #7a7575;
    line-height: 30px;
  }
  .resolve .container .res_content div h3 {
    font-size: 16px;
    text-indent: 2em;
    color: #141414;
    line-height: 40px;
  }
  .resolve .container .res_content div p {
    font-size: 14px;
    line-height: 24px;
    text-indent: 2em;
    color: #3b3b3b;
  }
  .resolve .container .res_content div p:first-child {
    margin-bottom: 20px;
    font-size: 16px;
    text-indent: 1em;
  }
  .resolve .container .res_content div p:first-child span {
    display: inline-block;
    font-size: 18px;
    color: #1b39a7;
    vertical-align: middle;
    line-height: 20px;
  }
  .resolve .container .res_content div p:first-child img {
    margin-top: 0;
    margin-right: 0em;
    width: 25px;
    display: inline-block;
  }
  .resolve .container .res_content div p:nth-child(2),
  .resolve .container .res_content div p:nth-child(3) {
    font-size: 14px;
    line-height: 24px;
    text-indent: 2em;
    color: #141414;
  }
  .resolve .container .res_content div img {
    width: 100%;
  }
  .my .container .my_content {
    margin: 30px 0 125px 0;
    padding: 0 25px 50px;
    background-color: #fffefe;
  }
  .my .container .my_content .culture p {
    text-indent: 1em;
  }
  .my .container .my_content .culture h3 span {
    font-size: 20px;
  }
  .my .container .my_content ul li {
    font-size: 14px;
    line-height: 30px;
    text-indent: 0em;
  }
  .my .container .my_content .contact {
    text-indent: 0em;
  }
  .my .container .my_content h3 {
    font-size: 15px;
    text-indent: 0em;
    padding-bottom: 0;
    padding-top: 2em;
  }
  .my .container .my_content div {
    margin-top: 50px;
  }
  .my .container .my_content div p {
    font-size: 14px;
    line-height: 24px;
    text-indent: 2em;
    color: #141414;
  }
  .my .container .my_content div p:nth-child(1) {
    text-indent: 0em;
    text-align: center;
    font-size: 20px;
    color: #1b39a7;
  }
  .my .container .my_content div p:nth-child(2) {
    text-indent: 0em;
    color: #1b39a7;
    text-align: center;
    font-size: 20px;
    line-height: 40px;
  }
  .my .container .my_content div p:nth-child(3) {
    font-size: 16px;
    line-height: 40px;
    text-indent: -9999px;
    width: 2em;
    border-top: 1px solid #1b39a7;
    margin: 0 auto;
  }
  .my .container .my_content div img {
    width: 100%;
    max-height: 200px;
    margin: 0;
  }
  .my .container .my_content div .my_contact {
    margin-top: 1em;
  }
  .footer {
    padding: 0.55555556rem 1.11111111rem;
    text-align: center;
    font-size: 0.66666667rem;
  }
  .footer .wechat .title {
    margin-bottom: 0.27777778rem;
    font-size: 0.88888889rem;
  }
  .footer .phone {
    margin-top: 1.11111111rem;
  }
  .footer .phone .title {
    font-size: 0.88888889rem;
  }
  .footer .phone p {
    line-height: 1.44444444rem;
  }
  .footer .position {
    margin-top: 1.11111111rem;
  }
  .footer .position p {
    line-height: 1.11111111rem;
  }
  .main {
    padding-bottom: 5.55555556rem;
  }
  .my_content {
    margin: 2.77777778rem 0;
  }
}
@media screen and (min-width: 767px) and (max-width: 993px) {
  nav {
    height: 68px;
    line-height: 68px;
  }
  nav img {
    width: 180px;
  }
  nav .pro_dropdown {
    display: none;
    position: absolute;
    top: 68px;
    left: -10px;
    width: 100px;
    height: 68px;
    text-align: center;
    line-height: 31px;
  }
  .headline {
    height: 140px;
    line-height: 140px;
    font-size: 28px;
    color: #959696;
    text-align: center;
  }
  .tab {
    text-align: center;
  }
  .tab li {
    display: inline-block;
    width: 25%;
    height: 160px;
    text-align: center;
    padding-top: 34px;
  }
  .tab li img {
    height: 50px;
  }
  .tab li p {
    padding-top: 20px;
    font-size: 14px;
    color: #3f89f2;
  }
  .Carousel {
    margin-top: 50px;
    overflow: hidden;
  }
  .Carousel .picture {
    position: relative;
  }
  .Carousel .picture .big {
    width: 100%;
  }
  .Carousel .picture .title {
    position: absolute;
    top: 14%;
    left: 27%;
    font-size: 32px;
    color: #fffefe;
  }
  .Carousel .picture .title-mini {
    position: absolute;
    top: 30%;
    left: 28%;
    font-size: 16px;
    color: #fffefe;
  }
  .Carousel .picture .right {
    position: absolute;
    top: 46%;
    right: 20%;
    width: 18px;
  }
  .Carousel .picture .right img {
    width: 100%;
  }
  .Carousel .picture .left {
    position: absolute;
    top: 46%;
    left: 20%;
    width: 18px;
  }
  .Carousel .picture .left img {
    width: 100%;
  }
  .news {
    text-align: center;
  }
  .news h2 {
    margin-top: 50px;
    font-size: 24px;
    color: #2c84ff;
  }
  .news .Notice {
    margin: 9px 0;
    font-size: 16px;
    color: #2c84ff;
  }
  .news .line {
    font-size: 15px;
    line-height: 16px;
    text-indent: -9999px;
    width: 2em;
    border-top: 2px solid #1b39a7;
    margin: 0 auto;
  }
  .news .newTab {
    margin-top: 20px;
    text-align: center;
    font-size: 0;
  }
  .news .newTab li {
    border: 1px solid #2c84ff;
    border-right: none;
    display: inline-block;
    padding: 10px 40px;
    font-size: 14px;
    color: #2c84ff;
  }
  .news .newTab li:last-child {
    border-right: 1px solid #2c84ff;
  }
  .news .content {
    margin: 30px auto;
    background-color: #fff;
    padding: 20px 40px;
  }
  .news .left {
    position: relative;
    padding: 0;
  }
  .news .left img {
    max-height: 328px;
  }
  .news .left p {
    width: 100%;
    height: 34px;
    line-height: 34px;
    font-size: 14px;
    color: #fff;
    position: absolute;
    bottom: 0;
    left: 0;
    background-color: rgba(5, 5, 5, 0.4);
  }
  .news .right {
    padding-top: 4%;
  }
  .news .right li {
    font-size: 16px;
    line-height: 44px;
  }
  .news .right li a {
    color: #595959;
  }
  .news .right li a .fl {
    flex: 4;
  }
  .news .right li a .fr {
    flex: 1;
  }
  .news .right .more {
    width: 130px;
  }
  .news #html_ul .fr {
    flex: 2;
  }
  .product .product_content .link li:hover {
    transform: scale(1.05);
  }
  .product .product_content .link li {
    display: inline-block;
    max-width: 31%;
    opacity: 0.9;
    text-align: center;
    margin: 8px 6px;
    position: relative;
    padding: 0 0px;
  }
  .product .product_content .link li img {
    width: 98%;
  }
  .product .product_content .link li h2 {
    color: #fff;
    font-size: 21px;
    padding-bottom: 20px;
    position: absolute;
    top: 34px;
    left: 50%;
    transform: translate(-50%);
  }
  .product .product_content .link li p {
    font-size: 12px;
    position: absolute;
    top: 60px;
    left: 50%;
    color: #fff;
    transform: translate(-50%);
  }
  .product .product_content .link li .p2 {
    position: absolute;
    top: 76px;
    left: 50%;
  }
  .case {
    height: 120px;
    line-height: 120px;
    text-align: center;
    font-size: 30px;
    color: #233394;
  }
  .data {
    text-align: center;
    font-size: 26px;
    color: #8f8f8f;
    padding-bottom: 26px;
  }
  .city {
    margin-right: 80px;
  }
  .school {
    text-align: left;
  }
  .school li {
    max-width: 30%;
    display: inline-block;
    margin: 10px 10px;
    border-radius: 4px;
  }
  .school li img {
    width: 100%;
  }
  .school li div {
    padding-top: 10px;
    font-size: 16px;
  }
  .my .container ul li,
  .resolve .container ul li {
    font-size: 16px;
  }
}