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

  /* 弹出导航 */
  .nav-page {
    display: block;
    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: all 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 {
    display: block;
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    width: 100%;
    height: 1.3rem;
    z-index: 9999;
    border-bottom: 1px solid #014526;
    background-color: rgba(255, 255, 255, 1);
  }

  .inside-roof-icon {
    position: absolute;
    z-index: 9;
    top: 0.31rem;
    left: 0.24rem;
    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 {
    position: absolute;
    width: 100%;
    height: 1rem;
    top: 50%;
    left: 50%;
    font-size: 0.28rem;
    transform: translate(-50%, -50%);
  }

  .inside-roof-logo img {
    height: 75%;
    margin-right: 0.1rem;
  }

  .forPhone {
    height: 1.3rem;
  }

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


  /* 头部 */
  .header_wrapper {
    display: none;
  }

  /* banner */
  .swiper-pagination {
    bottom: 0.3rem !important;
  }

  .swiper-pagination .my-bullet {
    margin: 0 0.05rem;
    width: 0.5rem;
    height: 0.05rem;
  }

  /* index_title */
  .index_title {
    padding: 0.24rem;
    height: auto;
    flex-direction: column;
  }

  .index_title .i_t_main {
    width: 100%;
  }

  .index_title .i_t_main .i_t_main_top {
    height: 0.5rem;
    margin-bottom: 0.1rem;
  }

  .index_title .i_t_main .i_t_main_top h3 {
    font-size: 0.5rem;
  }

  .index_title .i_t_main .i_t_main_top h4 {
    margin-right: 0.1rem;
    font-size: 0.5rem;
  }

  .index_title .i_t_main .i_t_main_top p {
    font-size: 0.3rem;
  }

  .index_title .i_t_main .i_t_main_txt {
    font-size: 0.26rem;
  }

  .index_title .i_t_list {
    margin-top: 0.2rem;
    width: 100%;
    flex-direction: column-reverse;
  }

  .index_title .i_t_list ul li {
    margin-left: 0;
    margin-right: 0.2rem;
    font-size: 0.28rem;
  }

  .index_title .i_t_list .i_t_all {
    margin-left: 0;
    font-size: 0.28rem;
  }

  /* product_wrapper */
  .product_wrapper {}

  .product_main_wrapper {
    padding: 1rem 0;
  }

  .product_main {
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .product_main .product_item {
    width: 32%;
    height: calc(32vw * 0.875);
    margin-right: 0;
    margin-bottom: 0.3rem;
    padding: 0.24rem;
  }

  .product_main .product_item .pro_tit {
    line-height: 1rem;
    font-size: 0.28rem;
  }

  /* about_wrapper */
  .about_wrapper {}

  .about_title {
    padding: 0.24rem;
    height: auto;
  }

  .about_title .ab_t_top {
    margin-bottom: 0.2rem;
  }

  .about_title .ab_t_top h3 {
    font-size: 0.5rem;
  }

  .about_title .ab_t_top h4 {
    font-size: 0.5rem;
  }

  .about_title .ab_t_txt {
    font-size: 0.26rem;
  }

  .about_main {}

  .about_main .about_left {
    width: 100%;
  }

  .about_main .about_right {
    width: 100%;
    padding: 0.24rem;
  }
  .about_main {
    flex-direction: column;
}

  .about_main .about_right .ab_r_t {
    margin-bottom: 0.3rem;
    font-size: 0.5rem;
    line-height: 0.5rem;
  }

  .about_main .about_right .ab_r_txt {
    margin-bottom: 0.3rem;
    font-size: 0.32rem;
  }

  .about_main .about_right .ab_r_info {
    margin-bottom: 0.4rem;
    font-size: 0.26rem;
    overflow: hidden;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    display: -webkit-box;
  }

  .about_main .about_right .ab_r_list {
    margin-bottom: 0.3rem;
    justify-content: space-between;
  }

  .about_main .about_right .ab_r_list .ab_r_list_item {
    width: 31%;
    padding-right: 0;
    margin-bottom: 0.2rem;
  }

  .about_main .about_right .ab_r_list .ab_r_list_item .ab_r_l_t {
    margin-bottom: 0.2rem;
    font-size: 0.32rem;
  }

  .about_main .about_right .ab_r_list .ab_r_list_item .ab_r_l_t img {
    margin-right: 0.2rem;
  }

  .about_main .about_right .ab_r_list .ab_r_list_item .ab_r_l_txt {
    font-size: 0.26rem;
    line-height: 0.3rem;
  }

  .about_main .about_right .ab_r_diamond {
    position: static;
    flex-wrap: wrap;
    left: 0;
    border-left: 1px solid rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    width: 100%;
  }

  .about_main .about_right .ab_r_diamond .ab_r_diamond_item {
    width: 50%;
    height: 2.4rem;
    border-left: none;
    border-bottom: none;
  }

  .about_main .about_right .ab_r_diamond .ab_r_diamond_item img {
    margin-bottom: 0.3rem;
  }

  .about_main .about_right .ab_r_diamond .ab_r_diamond_item span {
    font-size: 0.26rem;
    line-height: 0.3rem;
  }

  .about_main .about_right .ab_r_diamond .ab_r_diamond_item p {
    margin-top: 0.1rem;
    font-size: 0.26rem;
    line-height: 0.3rem;
  }

  /* equipment_wrapper */
  .equipment_wrapper {
    margin-bottom: 0.5rem;
  }

  .case_info {
    flex-wrap: wrap;
    padding: 0 0.24rem;
  }

  .case_item .case_img {
    height: calc(23.875vw * 0.75);
    border: 0.08rem solid #E7E7E7;
  }

  .case_item .case_text {
    height: 0.8rem;
    font-size: 0.3rem;
    line-height: 0.8rem;
  }

  /* norm_wrapper */
  .norm_wrapper {
    width: 100%;
    height: auto;
    padding: 1rem 0 0;
  }

  .norm_title {
    padding: 0 0.24rem;
    margin-bottom: 0.4rem;
  }

  .norm_title h3 {
    margin-bottom: 0.2rem;
    font-size: 0.5rem;
    line-height: 0.5rem;
  }

  .norm_title h6 {
    font-size: 0.3rem;
    line-height: 0.3rem;
  }

  .norm_main {
    width: 100%;
    padding: 0 0.24rem;
  }

  .norm_main .norm_item {
    width: 100%;
    height: 3rem;
    margin-bottom: 0.5rem;
    padding: 0 0.24rem;
    border-top-left-radius: 0.5rem;
    border-bottom-right-radius: 0.5rem;
  }

  .norm_main .norm_item .norm_img {
    width: 2rem;
    height: 2rem;
    margin-right: 0.2rem;
    line-height: 2rem;
  }

  .norm_main .norm_item .norm_info h5 {
    margin-bottom: 0.2rem;
    font-size: 0.4rem;
    line-height: 0.4rem;
  }

  .norm_main .norm_item .norm_info p {
    font-size: 0.26rem;
    line-height: 1.5em;
  }

  /* news_wrapper */
  .news_main_wrapper {
    padding: 0 0.24rem 1rem;
  }

  .news_item {
    width: 31%;
    height: auto;
    margin-bottom: 0.24rem;
  }

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

  .news_item .news_main h4 {
    padding: 0.24rem 0;
    font-size: 0.32rem;
    line-height: 0.32rem;
  }

  .news_item .news_main p {
    margin: 0 0 0.3rem 0;
    font-size: 0.26rem;
  }

  .news_item .news_main .news_more .nn_left {
    font-size: 0.3rem;
  }

  .news_item .news_main .news_more .nn_left img {
    margin-right: 0.1rem;
  }



  /* footer_wrapper */
  .footer_wrapper {
    padding: 0;
  }

  .bottom_list_wrapper {
    position: static;
    top: 0;
  }

  .bottom_list {
    padding: 0.24rem 0.24rem 0;
    flex-wrap: wrap;
    height: auto;
  }

  .bottom_list .bottom_list_item {
    width: 25%;
    margin-bottom: 0.24rem;
    font-size: 0.32rem;
  }

  .bottom_list .bottom_list_item img {
    margin-right: 0.2rem;
  }

  .foot_main {}

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

  .foot_left .foot_left_top {
    width: 100%;
    flex-direction: column;
    margin-bottom: 0.5rem;
    padding-right: 0;
    border-right: none;
  }

  .foot_left .foot_left_top .flt_logo {
    width: 100%;
    margin: 0.24rem 0;
    font-size: 0.6rem;
    line-height: 1rem;
    letter-spacing: 0.1rem;
  }

  .foot_left .foot_left_top .flt_logo img {
    margin-right: 0.2rem;
  }

  .foot_left .foot_left_top .flt_logo h1 {
    margin-top: 0.1rem;
    font-size: 0.4rem;
    line-height: 0.4rem;
  }

  .foot_left .foot_left_top .flt_info .flt_info_item {
    width: 100%;
    font-size: 0.26rem;
  }

  .foot_left .foot_left_top .flt_info .flt_info_item img {
    width: 0.2rem;
    margin-right: 0.2rem;
  }


  .foot_left .foot_left_bottom {
    width: 100%;
    padding-top: 0.2rem;
    font-size: 0.26rem;
  }

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

  .foot_msg form input {
    width: 100%;
    height: 1rem;
    font-size: 0.3rem;
  }

  .foot_msg form textarea {
    margin: 0.4rem 0;
    width: 100%;
    height: 1.5rem;
    font-size: 0.3rem;
  }

  .foot_msg form button {
    width: 100%;
    height: 1rem;
    margin-bottom: 0.5rem;
    line-height: 1rem;
    font-size: 0.3rem;
  }

  /* inside_main */
  .inside_main_wrapper {
    padding-bottom: 0.1rem;
  }

  .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: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;
  }

  /* 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%;
  }
}