@media screen and (min-width: 768px) and (max-width: 1199px) {

  /* 弹出导航 */
  .nav-page {
    position: fixed;
    z-index: 99999;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 0;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.5);
    overflow: hidden;
    transition: width 0.2s linear;
  }

  .nav-phone {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 80vw;
    height: 100vh;
    background-color: rgba(255, 255, 255, 1);
    box-shadow: 0 0 0.2rem rgba(0, 0, 0, 0.5);
  }

  .nav-list {
    padding-top: 2rem;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .nav-list a {
    width: 80%;
    height: 1rem;
    line-height: 1rem;
    border-bottom: 1px solid #e1e1e1;
  }

  .nav-list-active {
    color: #b11d03;
    background-color: #f5f5f5;
    border-bottom: 1px solid #b11d03 !important;
  }

  .close-phone-nav {
    position: absolute;
    top: 0.31rem;
    left: 0.24rem;
    width: 0.68rem;
    height: 0.68rem;
    z-index: 999;
  }

  .close-phone-nav::before,
  .close-phone-nav::after {
    position: absolute;
    display: block;
    content: "";
    width: 0.68rem;
    height: 0.04rem;
    color: #fff;
    background-color: #999;
    transform-origin: center;
  }

  .close-phone-nav::before {
    top: 0.19rem;
  }

  .close-phone-nav::after {
    top: 0.45rem;
  }

  .close-phone-nav-active::before {
    top: 0.33rem;
    transform: rotate(135deg);
  }

  .close-phone-nav-active::after {
    top: 0.33rem;
    transform: rotate(-135deg);
  }

  /* phone内页头部 */
  .inside-roof {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    width: 100%;
    height: 1.3rem;
    z-index: 99;
    padding: 0 0.24rem;
    border-bottom: 1px solid #282828;
    background-color: rgba(0, 0, 0, 0.7);
  }

  .inside-roof-icon {
    position: relative;
    width: 0.68rem;
    height: 0.68rem;
  }

  .inside-roof-icon::before,
  .inside-roof-icon::after {
    position: absolute;
    display: block;
    content: "";
    width: 0.68rem;
    height: 0.04rem;
    color: #fff;
    background-color: #999;
    transform-origin: center;
  }

  .inside-roof-icon::before {
    top: 0.19rem;
  }

  .inside-roof-icon::after {
    top: 0.45rem;
  }

  .inside-roof-icon-active::before {
    top: 0.33rem;
    transform: rotate(135deg);
  }

  .inside-roof-icon-active::after {
    top: 0.33rem;
    transform: rotate(-135deg);
  }

  .inside-roof-logo {
    height: 0.7rem;
  }

  .inside-roof-logo img {
    height: 100%;
  }

  .mobile_header {
    display: block;
    position: absolute;
    top: 0;
  }

  .main_middle {
    width: 100%;
    margin: 0 auto;
  }

  /* 头部 */
  .header_wrapper {
    position: relative;
    width: 100%;
    height: 56.25vw;
  }

  .page_top_wrapper {
    display: none;
  }

  .page_top {
    display: none;
  }

  /* banner */
  .swiper-container .swiper-slide .banner_info img.big_txt {
    margin-bottom: 0.5rem;
  }

  .swiper-container .swiper-slide .banner_info img.small_txt {
    margin-bottom: 0.5rem;
  }

  .swiper-container .swiper-pagination {
    bottom: 1rem !important;
  }

  .swiper-container .swiper-pagination .my-bullet {
    margin: 0 0.1rem;
    width: 0.3rem;
    height: 0.3rem;
  }

  /* index_search_wrapper */
  .index_search_wrapper {
    z-index: 100;
  }

  .close_ser {
    position: absolute;
    top: 2rem;
    right: 0.5rem;
    width: 0.5rem;
    height: 0.5rem;
    line-height: 0.5rem;
  }

  .index_search {
    width: 96vw;
    height: 1rem;
    margin-top: -0.5rem;
    margin-left: -48vw;
  }

  .index_search input {
    width: 80%;
    height: 100%;
    padding: 0 0.3rem;
    font-size: 0.26rem;
  }

  .index_search button {
    width: 20%;
    height: 100%;
  }

  /* about_wrapper */
  .about_wrapper {
    padding: 0.24rem;
    margin: 1rem 0;
  }

  .about_img {
    width: 50%;
    margin-right: 0;
  }

  .about_right {
    width: 50%;
    padding: 0 0 0 0.24rem;
  }

  .about_right .ab_t_en {
    font-size: 0.8rem;
    line-height: 0.8rem;
  }

  .about_right .ab_t_cn {
    font-size: 0.44rem;
    line-height: 1rem;
  }

  .about_right .ab_info {
    font-size: 0.26rem;
    line-height: 1.9em;
  }

  /* advantage_wrapper */
  .advantage_wrapper {
    height: auto;
    overflow: hidden;
  }

  .adv_middle {
    display: flex;
    justify-content: space-between;
    flex-direction: column;
    width: 100%;
    height: 100%;
    padding: 1rem 5%;
  }

  .adv_middle .num1,
  .adv_middle .num2,
  .adv_middle .num3,
  .adv_middle .num4 {
    display: none;
  }

  .xian_top {
    position: absolute;
    top: 1rem;
    left: 50%;
  }

  .xian_right {
    position: absolute;
    top: 50%;
    left: -2.7rem;
    transform: rotateZ(180deg);
  }

  .xian_bottom {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: rotateZ(180deg);
  }

  .xian_left {
    position: absolute;
    top: 50%;
    right: -2.7rem;
  }

  .adv_four {
    width: 100%;
    height: 100%;
  }

  .four_item {
    width: 45%;
    height: auto;
    padding-top: 0;
  }

  .four_item p {
    font-size: 0.44rem;
    line-height: 1rem;
    padding: 0.1rem 0;
  }

  .four_item span {
    font-size: 0.26rem;
    line-height: 2em;
  }

  .four_item:nth-of-type(3),
  .four_item:nth-of-type(4) {
    margin-top: 6rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
  }

  .adv_circle {
    width: 7.4rem;
    height: 7.4rem;
  }

  .adv_circle h4 {
    font-size: 0.7rem;
  }

  .adv_circle p {
    padding: 0.1rem 0 0.2rem;
    font-size: 0.3rem;
    line-height: 0.5rem;
  }

  .adv_circle a {
    width: 2.2rem;
    height: 0.8rem;
    line-height: 0.8rem;
    border-radius: 0.1rem;
    font-size: 0.28rem;
  }

  .adv_circle::before {
    width: 8.1rem;
    height: 8.1rem;
  }

  @-webkit-keyframes middleZoom {
    0% {
      width: 8.1rem;
      height: 8.1rem;
    }

    50% {
      width: 7.4rem;
      height: 7.4rem;
    }

    100% {
      width: 8.1rem;
      height: 8.1rem;
    }
  }

  .adv_circle::after {
    width: 9.4rem;
    height: 9.4rem;
  }

  @-webkit-keyframes outerZoom {
    0% {
      width: 9.4rem;
      height: 9.4rem;
    }

    50% {
      width: 8.1rem;
      height: 8.1rem;
    }

    100% {
      width: 9.4rem;
      height: 9.4rem;
    }
  }

  /* case_wrapper */
  .case_wrapper {
    margin-bottom: 1rem;
  }

  .case_title {
    height: auto;
    padding: 0.3rem 0.24rem 0;
  }

  .case_title .case_t_en {
    margin-bottom: 0;
    font-size: 0.8rem;
    line-height: 0.8rem;
    font-weight: bold;
  }

  .case_title .case_t_cn {
    font-size: 0.44rem;
    line-height: 1rem;
  }

  .case_main {
    width: 100%;
    height: auto;
  }

  .case_item {
    width: 25%;
    height: 100%;
    transition: width 1s ease-in-out;
  }

  .case_item:hover {
    width: 40%;
  }

  .case_item .case_pop {
    top: 1rem;
    transform: translateY(0);
    left: -100vw;
    width: 30vw;
    height: 26vh;
    padding-right: 1rem;
  }

  .case_item:hover .case_pop {
    left: 0;
  }

  .case_item .case_pop h4.cp_t {
    margin-bottom: 0.2rem;
    font-size: 0.5rem;
  }

  .case_item .case_pop img.cp_line {
    margin-bottom: 0.2rem;
  }

  .case_item .case_pop p.cp_txt {
    margin-bottom: 0.2rem;
    padding-left: 0.24rem;
    font-size: 0.26rem;
    line-height: 2em;
  }

  .case_item .case_pop a.cp_more {
    font-size: 0.3rem;
    line-height: 0.4rem;
  }

  .case_item .case_pop a.cp_more i {
    width: 0.4rem;
    height: 0.08rem;
    margin: 0 0.2rem 0.08rem;
  }

  .case_item .case_pop img.cp_gear {
    width: 1.4318rem;
    height: 1.5rem;
    margin-top: -0.75rem;
    margin-right: -0.7159rem;
  }

  .case_item .case_txt {
    bottom: 1.5rem;
    left: 0.5rem;
    font-size: 0.6rem;
  }

  /* solve_wrapper */
  .solve_wrapper {
    height: auto;
    padding: 1rem 0.24rem 0;
  }

  .solve_item img.solve_img {
    width: 50vw;
    height: calc(50vw * 0.7833);
    margin-right: 1.3rem;
  }

  .solve_item .solve_right {
    padding: 0.3rem 0 0.5rem;
  }

  .solve_item .solve_caption {
    margin-bottom: 0.3rem;
  }

  .solve_item .solve_caption h6 {
    font-size: 0.8rem;
    line-height: 0.8rem;
  }

  .solve_item .solve_caption h3 {
    font-size: 0.44rem;
    line-height: 1rem;
  }

  .solve_item .solve_caption i {
    width: 1.5rem;
    height: 0.08rem;
  }

  .solve_item .solve_right .solve_t {
    margin-bottom: 0.3rem;
    font-size: 0.5rem;
  }

  .solve_item .solve_right .solve_info {
    margin-bottom: 0.3rem;
    font-size: 0.26rem;
    line-height: 2em;
  }

  .solve_item .solve_right a.solve_more {
    width: 3rem;
    height: 1rem;
    border-radius: 0.5rem;
    font-size: 0.3rem;
    line-height: 1rem;
  }

  .swiper-container-solve .swiper-button-prev,
  .swiper-container-solve .swiper-button-next {
    top: 3rem !important;
    width: 1rem !important;
    height: 1rem !important;
  }

  .swiper-container-solve .swiper-button-prev {
    left: calc(50vw - 1.2rem) !important;
  }

  .swiper-container-solve .swiper-button-next {
    left: 50vw !important;
  }

  /* news_wrapper */
  .news_wrapper {
    margin-bottom: 1rem;
  }

  .news_title {
    margin: 1rem 0 0.2rem;
    height: auto;
  }

  .news_title .news_t_en {
    font-size: 2rem;
    line-height: 1.46rem;
  }

  .news_title .news_t_cn {
    font-size: 0.7rem;
    line-height: 1.46rem;
  }

  .news_title .news_t_p {
    padding: 0 0.24rem;
    font-size: 0.26rem;
    line-height: 0.32rem;
  }

  .news_main {
    padding: 0 0.24rem;
  }

  .news_item {
    width: 32%;
    margin-top: 0.24rem;
  }

  .news_item .news_img {
    width: 100%;
    height: calc(30vw * 0.6899);
  }

  .news_item .news_content {
    padding: 0.24rem 0.24rem 0;
  }

  .news_item .news_content .news_top {
    margin-bottom: 0.24rem;
  }

  .news_item .news_content .news_top .news_time {
    width: 20%;
    height: 1.2rem;
  }

  .news_item .news_content .news_top .news_time p {
    margin-bottom: 0.1rem;
    font-size: 0.8rem;
    line-height: 0.8rem;
  }

  .news_item .news_content .news_top .news_time span {
    font-size: 0.26rem;
  }

  .news_item .news_content .news_top .news_topic {
    font-size: 0.3rem;
    line-height: 1.2rem;
    padding-left: 0.24rem;
  }

  .news_item .news_content .news_more {
    height: 52px;
    line-height: 52px;
    border-top: 1px solid #e5e5e5;
  }

  /* picture_wrapper */
  .picture_wrapper {
    height: auto;
  }

  .picture_title {
    margin-bottom: 0.3rem;
  }

  .picture_title .pict_en {
    font-size: 0.8rem;
    line-height: 0.8rem;
  }

  .picture_title .pict_cn {
    margin-top: 0;
    font-size: 0.44rem;
    line-height: 1rem;
  }

  .staff_wrapper {
    padding: 0.5rem 0.24rem;
  }

  .swiper-container-staff {
    width: 100%;
    height: calc((100vw - 0.48rem) * 0.28);
  }

  .swiper-container-staff .swiper-pagination .staff_btn {
    margin-right: 0.2rem;
    width: 0.24rem;
    height: 0.24rem;
  }

  .culture_wrapper {
    padding: 0.5rem 0.24rem;
  }

  .culture_info dl {
    margin-bottom: 0.5rem;
  }

  .culture_info dl dt {
    margin-bottom: 0.24rem;
    font-size: 0.44rem;
  }

  .culture_info dl dd {
    font-size: 0.32rem;
  }

  /* map_wrapper */
  .map_wrapper {
    position: relative;
    width: 100%;
    height: 40vh;
  }

  .map_layer {
    width: 50%;
    padding: 0 0.24rem;
  }

  .map_contact_t {
    margin-bottom: 1rem;
  }

  .map_contact_t h4 {
    margin-bottom: 0.3rem;
    font-size: 0.44rem;
  }

  .map_contact_t i {
    width: 2rem;
    margin-bottom: 0.3rem;
  }

  .map_contact_t h6 {
    font-size: 0.32rem;
  }

  .map_contact_info .mci_top {
    font-size: 0.26rem;
    line-height: 2em;
  }

  .map_contact_info .mci_line {
    width: 70%;
    height: 1px;
    margin: 0.2rem 0;
  }

  .map_contact_info .mci_bottom {
    font-size: 0.26rem;
    line-height: 2em;
  }

  /* footer_wrapper */
  .footer_wrapper {
    height: auto;
  }

  .foot_middle {
    padding: 0.24rem;
  }

  .foot_left {
    margin-bottom: 0.3rem;
  }

  .foot_left img {
    margin-bottom: 0.3rem;
  }

  .foot_left .foot_left_info {
    font-size: 0.26rem;
  }

  .foot_right .foot_right_link {
    margin-bottom: 0.2rem;
    font-size: 0.26rem;
  }

  .foot_right .foot_right_contact {
    font-size: 0.5rem;
  }

  /* inside header */
  .inside_top_wrapper {
    padding: 0 0 8rem;
  }

  /* inside_main */
  .inside_main {
    width: 100%;
    margin-bottom: 1rem;
    padding: 0 0.24rem;
  }

  /* page_position */
  .inside_main .page_position {
    font-size: 0.26rem;
    padding: 0.3rem 0;
  }

  /* inside_title */
  .inside_main .inside_title {
    margin: 0.6rem 0;
  }

  .inside_main .inside_title .it_info {
    font-size: 0.5rem;
    line-height: 0.8rem;
  }

  .inside_main .inside_title .ico {
    width: 0.4rem;
  }

  /* inside_single */
  .inside_single {
    font-size: 0.26rem;
    line-height: 1.8em;
  }

  /* inside_contact_wrapper */
  .inc_tit {
    margin-bottom: 0.5rem;
    font-size: 0.26rem;
    line-height: 0.4rem;
  }

  .inside_contact {
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 1rem;
  }

  .inside_contact .inc_item {
    display: flex;
    padding: 0;
    width: 48%;
    margin-right: 0;
    margin-bottom: 0.5rem;
    border-right: 1px solid #dbdbdb;
  }

  .inside_contact .inc_item:nth-of-type(2n) {
    border-right: 1px solid transparent;
  }

  .inside_contact .inc_item .c_icon {
    width: 1.6rem;
  }

  .inside_contact .inc_item .fg_line {
    display: none;
  }

  .inside_contact .inc_item .inc_info h6 {
    margin-bottom: 0.2rem;
    font-size: 0.32rem;
  }

  .inside_contact .inc_item .inc_info p {
    font-size: 0.26rem;
    line-height: 0.4rem;
  }

  .inside_map {
    padding-bottom: 1.3rem;
  }

  .ineide_map_main {
    height: 60vh;
  }

  .inside_message {
    padding: 0;
  }

  .inside_message .inside_form_input {
    margin-bottom: 0.4rem;
    width: 49%;
  }

  .inside_message .inside_form_input:hover {
    box-shadow: 0 0 0.15rem -0.1rem rgba(129, 129, 129, 1);
  }

  .inside_message .inside_form_input .inside_ipt {
    padding: 0.3rem;
    font-size: 0.26rem;
  }

  .inside_message .inside_form_textarea {
    margin-bottom: 0.8rem;
  }

  .inside_message .inside_form_textarea:hover {
    box-shadow: 0 0 0.15rem -0.1rem rgba(129, 129, 129, 1);
  }

  .inside_message .inside_form_textarea .inside_tarea {
    padding: 0.3rem;
    height: 3.6rem;
    font-size: 0.26rem;
  }

  .inside_message .inside_form_btn {
    display: inline-block;
    width: 100%;
  }

  .inside_message .inside_form_btn .inside_btn {
    padding: 0.26rem 1rem;
    font-size: 0.26rem;
  }

  .inside_message .inside_form_btn .inside_btn:hover {
    box-shadow: 0 0 0.15rem -0.1rem rgba(129, 129, 129, 1);
  }

  /* inside_list */
  .inside_list {
    flex-wrap: wrap;
    margin-bottom: 0.2rem;
    padding-bottom: 0;
    overflow: hidden;
    border-bottom: solid #eaeaec 1px;
  }

  .inside_list a {
    width: 32%;
    margin-right: 2%;
    margin-bottom: 0.2rem;
    padding: 0.3rem;
    font-size: 0.26rem;
  }

  .inside_list a:nth-of-type(3n) {
    margin-right: 0;
  }

  /* inside_picture */
  .inside_picture {
    width: 100%;
  }

  .inside_pro_item {
    width: 32%;
    margin: 0 2% 0.5rem 0;
    padding-bottom: 0.2rem;
    box-shadow: 0 0 0.15rem -0.1rem rgba(0, 0, 0, 1);
  }

  .inside_pro_item:nth-of-type(3n) {
    margin-right: 0;
  }

  .inside_pro_item:nth-of-type(5n) {
    margin-right: 2%;
  }

  .inside_pro_item:hover {
    background-color: #fff;
    box-shadow: 0 0 0.3rem -0.1rem rgba(129, 129, 129, 1);
  }

  .inside_pro_item .pro_img {
    width: 100%;
    overflow: hidden;
    border-radius: 0.1rem;
  }

  .inside_pro_item .pro_text {
    height: 1rem;
    font-size: 0.3rem;
    line-height: 1rem;
    padding: 0 0.3rem;
  }

  .inside_pro_item .pro_info {
    font-size: 0.24rem;
    padding: 0 0.3rem;
  }

  /* inside_picture_detail */
  .inside_picture_detail .ipd_title {
    padding: 0.6rem 0 0.4rem 0;
    font-size: 0.44rem;
  }

  .inside_picture_detail .ipd_main {
    padding-top: 0.6rem;
    font-size: 0.26rem;
  }

  /* inside_news */
  .inside_news {
    width: 100%;
  }

  .inside_news_item {
    width: 100%;
    border-radius: 0.1rem;
    padding: 0.3rem;
    margin-bottom: 0.5rem;
  }

  .inside_news_item:hover {
    box-shadow: 0 0 0.3rem -0.1rem rgba(129, 129, 129, 1);
  }

  .inside_news_item .inside_news_item_img {
    width: 4rem;
    height: 3rem;
    border-radius: 0.1rem;
    margin-right: 0.5rem;
  }

  .inside_news_item .inside_news_item_info h3 {
    font-size: 0.3rem;
    line-height: 0.6rem;
  }

  .inside_news_item .inside_news_item_info span {
    margin-bottom: 0.1rem;
    font-size: 0.24rem;
    line-height: 0.3rem;
  }

  .inside_news_item .inside_news_item_info p {
    margin-bottom: 0.1rem;
    font-size: 0.24rem;
    line-height: 0.4rem;
  }

  .inside_news_item .inside_news_item_info>a {
    width: 2rem;
    height: 0.7rem;
    font-size: 0.24rem;
    line-height: 0.7rem;
    border-radius: 0.1rem;
  }

  /* inside_news_detail */
  .inside_news_detail .ind_title_wrapper {
    margin-bottom: 0.6rem;
    padding-bottom: 0.4rem;
  }

  .inside_news_detail .ind_title_wrapper .ind_title {
    margin-bottom: 0.4rem;
    font-size: 0.44rem;
  }

  .inside_news_detail .ind_title_wrapper .ind_info {
    font-size: 0.24rem;
  }

  .inside_news_detail .ind_title_wrapper .ind_info span {
    margin: 0 0.05rem;
  }

  .inside_news_detail .ind_main {
    font-size: 0.26rem;
    padding: 0;
  }

  /* inside_down */
  .inside_down ul li {
    height: 1.3rem;
  }

  .inside_down ul li .down_left {
    width: calc(100% - 1.2rem);
    height: 1.3rem;
    font-size: 0.26rem;
    line-height: 1.3rem;
  }

  .inside_down ul li .down_left img {
    margin-right: 0.15rem;
  }

  .inside_down ul li .down_left p {
    width: 1.6rem;
  }

  .inside_down ul li .down_left a {
    width: calc(100% - 2.5rem);
  }

  .inside_down ul li .down_right {
    width: 1.2rem;
    height: 1.3rem;
    font-size: 0.26rem;
    line-height: 1.3rem;
  }

  .inside_down ul li .down_right a img {
    margin-right: 0.1rem;
  }

  /* 内页图片 */
  .inside_single img {
    display: block;
    width: 80%;
  }

  .ipd_main img {
    display: block;
    width: 80%;
  }

  .ind_main img {
    display: block;
    width: 80%;
  }
}