@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 #1FBDBE;
    background-color: rgba(255, 255, 255, 0.9);
  }

  .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: 0.36rem;
    transform: translate(-50%, -50%);
  }

  .inside-roof-logo img {
    height: 100%;
    margin-right: 0.1rem;
  }

  .forPhone {
    height: 1.3rem;
  }

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

  /* 头部 */

  .header_wrapper::before {
    height: 0.2rem;
  }

  .header_wrapper::after {
    bottom: -0.2rem;
    border-top: 0.2rem solid transparent;
    border-right: 0.2rem solid transparent;
    border-bottom: 0.2rem solid transparent;
    border-left: 0.2rem solid #fff;
  }

  .header {
    display: none;
  }

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

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

  /* product_wrapper */
  .product_wrapper {
    flex-wrap: wrap;
    padding: 0;
    margin-bottom: 1rem;
  }

  .product_item {
    width: 25%;
    border-bottom: 1px solid #DFDFDF;
  }

  .product_item .pro_item_t {
    padding-left: 0.3rem;
    font-size: 0.32rem;
    line-height: 0.6rem;
  }

  /* product_sort */
  .product_sort {
    /* flex-wrap: wrap; */
    margin-bottom: 1rem;
  }

  .sort_left {
    /* width: 50%; */
    display: block;
    position: relative;
    margin-right: 0.2rem;
  }

  .sort_left>img {
    width: 100%;
  }

  .sort_t {
    left: 0.5rem;
    bottom: 0.3rem;
    font-size: 0.3rem;
  }

  .sort_t img {
    width: 50%;
    margin-right: 0.2rem;
  }

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

  .sort_right .sort_list>img {
    width: 100%;
  }

  /* industry_wrapper */
  .industry_wrapper {
    flex-direction: column;
    height: auto;
    margin-bottom: 1rem;
  }

  .industry_left {
    width: 100%;
    height: auto;
    padding: 0.2rem 0;
  }

  .ind_l_name {
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  .ind_l_name span {
    display: block;
    text-align: center;
    margin-right: 0;
    padding-top: 0.1rem;
    writing-mode: horizontal-tb;
    width: 100%;
    font-size: 0.32rem;
    letter-spacing: 0;
  }

  .ind_l_name h3 {
    width: 100%;
    text-align: center;
    font-size: 0.6rem;
    line-height: 0.8rem;
  }

  .ind_l_line {
    width: 1rem;
    height: 1px;
    background: #FFFFFF;
    margin: 0.3rem;
  }

  .ind_l_num {
    font-size: 1.5rem;
    line-height: 1.5rem;
    ;
  }

  .industry_right {
    flex: 1;
    flex-direction: column;
  }

  .ind_r_big {
    position: relative;
    flex: 1;
    padding: 3rem 0;
    flex-direction: column;
    background-repeat: no-repeat;
    background-size: 100%;
    background-position: center;
    animation: middleZoom 30s infinite linear;
    -webkit-animation: middleZoom 30s infinite linear;
  }

  .ind_r_big .irb_t {
    font-size: 0.5rem;
    line-height: 0.7rem;
  }

  .ind_r_big .irb_sort {
    margin-bottom: 0.3rem;
    font-size: 0.3rem;
    line-height: 0.5rem;
  }

  .ind_r_big .irb_sort span {
    padding-right: 0.3rem;
  }

  .ind_r_big a.irb_more {
    width: 2rem;
    height: 0.6rem;
    border-radius: 0.3rem;
    font-size: 0.3rem;
  }

  .ind_r_cut {
    flex-wrap: wrap;
    margin-top: 0.1rem;
    height: auto;
  }

  .ind_r_cut .irc_item {
    flex: auto;
    width: calc(20% - 0.1rem);
    height: 1.7rem;
    margin-left: 0.1rem;
    margin-bottom: 0.1rem;
    font-size: 0.4rem;
  }

  .ind_r_cut .irc_item:first-of-type {
    margin-left: 0;
  }

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

  .partner_title {
    margin-bottom: 0.8rem;
  }

  .partner_title .par_t_big {
    font-size: 0.6rem;
    color: #000000;
    line-height: 0.6rem;
  }

  .partner_title img {
    max-width: 70%;
    margin: 0.2rem 0;
  }

  .partner_title .par_t_small {
    font-size: 0.4rem;
    line-height: 0.4rem;
  }

  .partner_cut {
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
  }

  .partner_cut .par_c_tiem {
    flex: auto;
    width: calc(25% - 0.1rem);
    margin-right: 0.1rem;
    border-bottom: 0.05rem solid #000;
    cursor: pointer;
  }

  .partner_cut .par_c_tiem_active {
    border-bottom: 0.05rem solid #1FBDBE;
  }


  .partner_cut .par_c_tiem .pci_num {
    margin-right: 0.2rem;
    padding-left: 0.2rem;
    font-size: 0.6rem;
  }

  .partner_cut .par_c_tiem .pci_right h5 {
    font-size: 0.3rem;
  }

  .partner_cut .par_c_tiem .pci_right span {
    font-size: 0.28rem;
    line-height: 0.4rem;
  }

  .partner_main {}

  .partner_main .partner_item {
    position: relative;
    display: none;
  }

  .partner_main .partner_item:first-of-type {
    display: block;
  }

  .partner_main .partner_item .partner_img {
    width: 100%;
  }

  .partner_main .partner_item .partner_img img {
    width: 100%;
  }

  .partner_main .partner_item .partner_black {
    padding: 0.2rem;
    width: 100%;
    height: 3rem;
  }

  .partner_main .partner_item .partner_black .pb_t {
    margin-bottom: 0.3rem;
    font-size: 0.4rem;
    color: #FFFFFF;
    line-height: 0.4rem;
  }

  .partner_main .partner_item .partner_black .pb_t img {
    margin-left: 0.3rem;
    width: 0.3rem;
  }

  .partner_main .partner_item .partner_black .pb_text {
    font-size: 0.28rem;
    line-height: 1.6em;
  }

  .partner_cut_number {
    position: absolute;
    right: 0;
    bottom: 0.2rem;
  }

  .partner_cut_number .pcn_item {
    width: 0.4rem;
    height: 0.4rem;
    margin-right: 0.1rem;
    font-size: 0.28rem;
    line-height: 0.4rem;
  }

  .partner_cut_number .pcn_item_active {
    border: 1px solid #1FBDBE;
  }

  /* about_wrapper */
  .about_wrapper {
    margin-bottom: 1rem;
    padding: 1rem 0 0.3rem 0;
  }

  .about_outer {
    position: relative;
  }

  .about_main {}

  .about_main .about_img {
    width: 40%;
  }

  .about_main .about_img img {
    width: 100%;
    height: auto;
    margin-bottom: 0.2rem;
  }

  .about_main .about_img span {
    margin-bottom: 0.5rem;
    padding-right: 0.2rem;
    font-size: 0.24rem;
    line-height: 0.3rem;
  }

  .about_main .about_img span::after {
    bottom: -0.2rem;
    right: 0.2rem;
    width: 3rem;
  }

  .about_main .about_right {
    width: 60%;
    margin-top: 0.2rem;
    padding: 0 0.24rem;
  }

  .about_main .about_right .ab_t {
    font-size: 0.5rem;
    line-height: 0.8rem;
  }

  .about_main .about_right .ab_en {
    max-width: 90%;
    margin-bottom: 0.4rem;
  }

  .about_main .about_right .ab_en img {
    width: 100%;
  }

  .about_main .about_right .ab_nr {
    font-size: 0.3rem;
    color: #464646;
    line-height: 0.5rem;
  }

  .about_bottom {
    position: absolute;
    bottom: 1rem;
    right: 0;
    width: 70%;
    height: auto;
    padding: 0.3rem 0.3rem 0 1.2rem;
    background: #fff;
  }

  .about_bottom_list {
    flex-wrap: wrap;
  }

  .about_bottom_list .about_item {
    width: 50%;
    margin-bottom: 0.3rem;
  }

  .about_bottom_list .about_item .ab_i_top {
    margin-bottom: 0.1rem;
  }

  .about_bottom_list .about_item .ab_i_top .ait_num {
    font-size: 0.6rem;
    line-height: 1.3em;
  }

  .about_bottom_list .about_item .ab_i_top .ait_right {}

  .about_bottom_list .about_item .ab_i_top .ait_right span {
    font-size: 0.26rem;
    line-height: 1.3em;
  }

  .about_bottom_list .about_item .ab_i_top .ait_right p {
    font-size: 0.26rem;
    line-height: 1.3em;
  }

  .about_bottom_list .about_item .ab_i_text {
    font-size: 0.3rem;
    line-height: 1.3em;
  }

  .about_bottom .about_bottom_more {
    left: 0;
    top: 1rem;
    width: 1rem;
    height: 1rem;
  }

  .about_bottom .about_bottom1 {
    left: 0;
    top: 0;
    width: 1rem;
    height: 1rem;
  }

  .about_bottom .about_bottom2 {
    left: 0;
    top: 2rem;
    width: 1rem;
    height: 1rem;
  }

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

  .news_title {
    margin-bottom: 1rem;
    flex-direction: column;
  }

  .news_title .news_t_left {
    justify-content: center;
    margin-bottom: 0.2rem;
  }

  .news_title .news_t_left img {
    margin-right: 0.1rem;
    max-width: 40%;
  }

  .news_title .news_t_left span {
    font-size: 0.5rem;
  }

  .news_title .news_t_right {
    width: 100%;
  }

  .news_title .news_t_right .news_cut {
    width: 18%;
    height: 0.7rem;
    margin: 0.1rem;
    line-height: 0.7rem;
  }

  .news_main_wrapper {
    height: 6.7rem;
  }

  .fornt,
  .back {
    width: 0.6rem;
    height: 1.2rem;
    font-size: 0.8rem;
  }

  .fornt {
    left: 0;
  }

  .back {
    right: 0;
  }

  .news_main {
    position: absolute;
    top: 0;
    left: 0;
    width: auto;
  }

  .news_main .news_item {
    width: 100vw;
    margin-right: 0.7rem;
  }

  .news_main .news_item .news_left {
    width: 50%;
    padding: 0.1rem 0.8rem;
    flex-direction: column;
    border: 1px solid #DFDFDF;
    border-right: none;
  }

  .news_main .news_item .news_left .n_l_time {
    margin-bottom: 0.3rem;
    font-size: 0.3rem;
    line-height: 0.3rem;
  }

  .news_main .news_item .news_left .n_l_title {
    margin-bottom: 0.3rem;
    font-size: 0.36rem;
    line-height: 0.5rem;
  }

  .news_main .news_item .news_left .n_l_content {
    margin-bottom: 0.1rem;
    font-size: 0.24rem;
    line-height: 0.44rem;
    overflow: hidden;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    display: -webkit-box;
    /* text-overflow: ellipsis;
    white-space: nowrap; */
  }

  .news_main .news_item .news_left .n_l_more {
    width: 2rem;
    height: 0.7rem;
    border-radius: 0.35rem;
    font-size: 0.24rem;
    line-height: 0.7rem;
  }

  .news_main .news_item .news_right {
    width: 50%;
  }

  .news_main .news_item .news_right img {
    width: 100%;
  }

  /* bottom_wrapper */
  .bottom_wrapper {
    padding: 0.24rem;
  }

  .b_top {
    padding-bottom: 0.5rem;
    flex-wrap: wrap;
  }

  .b_top .b_t_t {
    margin-bottom: 0.3rem;
    font-size: 0.5rem;
  }

  .b_top .b_t_t i {
    margin-top: 0.2rem;
    width: 1rem;
  }

  .b_top .fast_link {
    width: 100%;
    margin-bottom: 0.2rem;
    margin-right: 0;
    border-right: none;
    border-bottom: 1px solid rgba(165, 165, 165, 0.2);
  }

  .b_top .fast_link .b_t_nav {
    display: flex;
    flex-wrap: wrap;
    font-size: 0.26rem;
    line-height: 0.4rem;
  }

  .b_top .fast_link .b_t_nav li {
    width: 10%;
    margin-bottom: 0.2rem;
    text-align: center;
  }

  .b_top .b_contact {
    width: 50%;
    padding-bottom: 0.2rem;
    margin-bottom: 0.2rem;
    margin-right: 0;
    border-right: none;
  }

  .b_top .b_contact .b_c_t {
    margin-bottom: 0.2rem;
    font-size: 0.36rem;
    text-align: center;
  }

  .b_top .b_contact .b_c_info {
    width: 100%;
    flex-direction: column;
    align-items: center;
  }

  .b_top .b_contact .b_c_info .b_c_info_left {
    display: flex;
    flex-direction: column;
    width: auto;
    margin-right: 0;
    text-align: center;
  }

  .b_top .b_contact .b_c_info .b_c_info_left img {
    margin-bottom: 0.1rem;
  }

  .b_top .b_contact .b_c_info .b_c_info_left span {
    font-size: 0.3rem;
  }

  .b_top .b_contact .b_c_info .b_c_info_right {
    flex: 1;
    text-align: center;
  }

  .b_top .b_contact .b_c_info .b_c_info_right ul {
    margin-bottom: 0.2rem;
  }

  .b_top .b_contact .b_c_info .b_c_info_right ul li {
    font-size: 0.26rem;
    line-height: 1.4em;
    margin-bottom: 0.2rem;
    text-align: left;
  }

  .b_top .b_contact .b_c_info .b_c_info_right ul li img {
    width: 0.4rem;
    height: 0.4rem;
    margin-right: 0.1rem;
  }

  .b_top .b_message {
    width: 50%;
    margin-left: 0;
  }

  .b_top .b_message .b_m_from {
    width: 100%;
  }

  .b_top .b_message .b_m_from input {
    width: 100%;
    height: 0.8rem;
    margin-bottom: 0.24rem;
    padding: 0 0.2rem;
    font-size: 0.26rem;
  }

  .b_top .b_message .b_m_from textarea {
    margin-bottom: 0.24rem;
    width: 100%;
    height: 1.6rem;
    padding: 0.1rem 0.2rem;
    font-size: 0.26rem;
  }

  .b_top .b_message .b_m_from button {
    width: 100%;
    height: 0.8rem;
    line-height: 0.8rem;
    text-align: center;
    font-size: 0.3rem;
    border-radius: 0.1rem;
  }

  .b_bottom {
    padding: 0.24rem;
    height: auto;
    line-height: 1.4em;
  }

  /* inside */
  .inside_header_wrapper {
    height: 4rem;
    background-color: #1e1e1e;
  }

  /* inside_banner */
  .inside_banner {
    top: 0;
    height: 4rem;
  }

  .inside_bottom {
    margin-top: 1rem;
  }
}