@media (min-width: 1200px) {
  .container {
    max-width: 1320px;
  }
  .navigation > ul > li a {
    position: relative;
  }
  .navigation > ul > li > .nav_wrap > a:before {
    width: 0;
    height: 4px;
    margin: 0;
    position: absolute;
    left: 50%;
    bottom: 0;
    z-index: 10;
    border-radius: 2px;
    transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    background: #D5161D;
    content: "";
    transition: all 0.3s;
    -webkit-transition: all 0.3s;
  }
  .navigation > ul > li.active > .nav_wrap > a:before {
    width: 30px;
  }
  .about_con .about_l h1 {
    padding-right: 3rem;
  }
  .net_mob_con {
    display: none;
  }
}
@media (max-width: 1199.98px) {
  .net_con {
    display: none;
  }
  .net_mob_con {
    display: block;
  }
}
@media (max-width: 991.98px) {

}
@media (max-width: 767.98px) {
  h1 {
    font-size: 22px;
  }
  h2 {
    font-size: 20px;
  }
  h3,h4 {
    font-size: 18px;
  }
  h5,h5 {
    font-size: 16px;
  }
  .section {
    padding: 2rem 0;
  }
  .sec_ti {
    margin-bottom: 2rem;
  }
  #header {
    width: 100%;
    height: 6rem;
    z-index: 20;
  }
  .header_nav {
    line-height: normal;
  }
  .header-content .container {
    height: 100%;
  }
  #header .header-content {
    position: relative;
  }
  .header_top .logo .logo1 img, .header_top .logo .logo2 img{
    width: 3rem;
  }
  .header_top .stock_code span {
    font-size: 14px;
  }
  .header_top .stock_code {
    margin-left: 10px;
    padding-left: 10px;
  }
  .navigation > ul > li > .nav_wrap > a {
    padding: 1rem;
  }
  .navigation .primary-nav {
    position: absolute;
    left: 0;
    top: 6rem;
    display: none;
    width: 100%;
    height: auto;
    z-index: 1000;
    background-color: #fff;
    box-shadow: 0 5px 5px 0 rgba(0, 0, 0, 0.07);
  }

  .navigation > ul > li .icon_wrap {
    float: right;
  }
  .navigation > ul > li .icon_wrap > i {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    display: block;
    width: 0.3rem;
    height: 0.3rem;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    background-image: url(../images/nav-jia.png);
    transition: all 0.3s;
  }
  .navigation > ul > li.on .icon_wrap > i {
    background-image: url(../images/nav-jian.png);
  }
  .navigation a {
    display: block;
  }
  .navigation .i {
    position: relative;
  }
  .navigation .i::after {
    content: "";
    position: absolute;
    right: 20px;
    top: 50%;
    margin-top: -10px;
    width: 12px;
    height: 12px;
    transform: rotate(-45deg);
    border-left: 1px solid #666;
    border-bottom: 1px solid #666;
    transition: all 0.3s ease 0s;
  }
  .navigation .i.active::after {
    transform: rotate(135deg);
    background-color: #f5f5f5;
  }
  .navigation > ul > li {
    position: relative;
    border-bottom: 1px solid #dcdcdc;
  }
  .navigation li:last-child {
    border-bottom: none;
  }
  .navigation .sub_menu {
    display: none;
    background-color: #f5f5f5;
  }
  .navigation .sub_menu > li > a {
    padding: 0 0.6rem;
  }
  .navigation .sub_menu a {
    font-size: 0.28rem;
  }
  .navigation > ul > li > .nav_wrap > a {
    float: left;
    display: block;
    width: 80%;
    margin: 0;
    text-align: left;
  }
  .inner_news_con .txt {
    margin-bottom: 25px;
    padding-bottom: 25px;
  }
  .inner_news_con .txt .info p {
    display: none;
  }
  .inner_news_con .txt .time {
      margin-right: 15px;
      width: 116px;
      padding: 10px;
  }
  .inner_news_con .txt .day {
      font-size: 28px;
      line-height: 1;
  }
  .navigation > ul > li .icon_wrap {
    position: relative;
    display: block;
    width: 20%;
    height: 0.99rem;
  }
  .nav-toggle {
    display: block;
  }
  .nav-toggle {
    width: 30px;
    height: 40px;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 5%;
    z-index: 1000;
  }
  .nav-toggle p {
    width:30px;
    height: 3px;
    background-color: #333;
    border-radius: 0.5rem;
    position: absolute;
    left: 0;
    -webkit-transition: all 0.8s;
    transition: all 0.8s;
    -webkit-border-radius: 20%;
    -moz-border-radius: 20%;
    border-radius: 20%;
  }
  .nav-toggle p:nth-child(1) {
    top: 10px;
    -webkit-transform-origin: left top;
    -ms-transform-origin: left top;
    transform-origin: left top;
    -webkit-transform: rotateZ(0deg);
    -ms-transform: rotateZ(0deg);
    transform: rotateZ(0deg);
    -webkit-transition: all 0.5s;
    -ms-transition: all 0.5s;
    transition: all 0.5s;
  }
  .nav-toggle p:nth-child(2) {
    top: 20px;
    -webkit-transition: all 0.5s;
    transition: all 0.5s;
  }
  .nav-toggle p:nth-child(3) {
    top: 30px;
    -webkit-transform-origin: left bottom;
    -ms-transform-origin: left bottom;
    transform-origin: left bottom;
    -webkit-transform: rotateZ(0deg);
    -ms-transform: rotateZ(0deg);
    transform: rotateZ(0deg);
    -webkit-transition: all 0.5s;
    -ms-transition: all 0.5s;
    transition: all 0.5s;
  }
  .nav-toggle p:nth-child(1).cur {
    -webkit-transform: rotateZ(45deg);
    transform: rotateZ(45deg);
  }
  .nav-toggle p:nth-child(2).cur {
    opacity: 0;
  }
  .nav-toggle p:nth-child(3).cur {
    -webkit-transform: rotateZ(-45deg);
    transform: rotateZ(-45deg);
  }
  .mob_cover {
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    position: fixed;
    z-index: 999;
    top: 6rem;
    left: 0;
    display: none;
  }
  .banner {
    height: 14rem;
  }
  .banner .banner-txt {
    left: 50%;
    width: 88%;
  }
  .inner_cont_con {
    height: auto;
  }
  .contact_form .form_list {
    height: 20rem;
  }
  .foot_con_t .foot_item ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .foot_con_t .foot_item li {
    width: 50%;
  }
  .foot_con_t .foot_item {
    margin-bottom: 2rem;
  }
  .foot_qrCode {
    text-align: left;
  }
  .header_nav {
    display: block;
  }
  .nav_search {
    position: absolute;
    right: 16%;
    top: 50%;
    transform: translateY(-50%);
  }
  .about_con .about_l {
    margin-bottom: 2rem;
    text-align: center;
  }
  .about_con .about_l a {
    display: inline-block;
    padding: .5rem 1rem;
    border: 1px solid #999;
  }
  .dev-pic-list {
    display: none;
  }
  .about_num dl b {
    font-size: 1.6rem;
  }
  .about_num li:nth-child(2), .about_num li:nth-child(3) {
    background-color: #D5161D;
  }
  .about_num li:nth-child(4) {
    background-color: #BF161D;
  }
  .cate_list .item {
    margin-bottom: 1rem;
  }
  .cate_list .item {
    height: auto;
  }
  .inno_list .item {
    height: auto;
  }
  .inno_list .item:last-child {
    display: flex;
  }
  .inno_list .item .slogan,.inno_list .item:nth-child(3) .pic {
    width: 50%;
    height: 100%;
  }
  .inno_list .item:nth-child(3) .pic {
    position: relative;
  }
  .inno_list .item .slogan {
    padding: 1rem;
  }
  .inno_list .item .txt {
    height: 3rem;
    padding:  0 1rem;
  }
  .news_con .item {
    margin-bottom: 1rem;
  }
  .news_con .list {
    height: auto;
  }
  .inno_list .item i {
    font-size: 1.5rem;
  }
  .market {
    height: auto;
  }
  .market_con {
    margin-top: 0;
  }
  .market {
    border-bottom: none;
  }
  .cul_con .cul_list .txt {
    padding: 2rem;
  }
  .cul_con .cul_list .txt img {
    width: 2.8rem;
  }
  .inner_cate_item:last-child {
    margin-bottom: 0 !important;
  }
  .news_detail_con .news_title,.news_detail_con .news_con {
    width: 100%;
  }
  .news_detail_con .news_con {
    margin-top: 0;
    padding: 0 !important;
    background-color: transparent;
  }
  .news_detail_con .news_title {
    margin-bottom: 2rem;
  }
  .page_top_index .sec_nav {
    display: block;
  }
  .foot_con_t .foot_item:last-child {
    margin-bottom: 0;
  }
  .arti_con .top_box {
    margin-bottom: 2rem;
  }
}
@media (max-width: 575.98px) {
  p {
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 10px;
  }
  .contact_list .item {
    width: 100%;
  }
  .contact_list .item:nth-child(2),  .contact_list .item:nth-child(4) {
    width: 100%;
  }
  .arti_qrCode .weixin, .arti_qrCode .xiaochengxu {
    width: 47%;
  }
  .arti_qrCode .weixin img, .arti_qrCode .xiaochengxu img {
    max-width: 90%;
  }
  .arti_qrCode .weixin {
    margin-right: 10px;
  }
  .inner_nav ul li {
    flex: 1;
  }
  .inner_nav ul li {
    height: 3rem;
    line-height: 3rem;
  }
  .sec_ti h3 {
    font-size: 18px;
  }
  .sec_ti i {
    height: 1rem;
    margin: 10px auto;
  }
  .sec_ti h2 {
    margin-bottom: 4px;
  }
  .hon_item .pic {
    height: 8rem;
  }
  .inner_cate_item .txt {
    height: 3rem;
  }
  .inner_appl_item_wrap {
    padding: 1rem !important;
  }
  .inner_appl_item i {
    font-size: 2rem;
  }
  .inner_appl_item:last-child {
    margin-bottom: 0 !important;
  }
  .about_num dl b, .odometer span {
    font-size: 1.8rem;
  }
  .slo_wrap h4:first-child {
    display: none;
  }
  .foot_con_b div {
    line-height: 2;
  }
  .tech_list .tech_item {
    width: 49%;
  }
  .tech_info .list,.tech_info .pic {
    width: 100%;
  }
  .manu_list li {
    width: 49%;
  }
  .res_con .pic {
    width: 100%;
  }
  .res_con .txt {
    position: relative;
    width: 100%;
    padding: 1rem;
  }
  .res_con {
    padding-bottom: 0 !important;
  }
  .res_con .txt h1 {
    font-size: 18px;
  }
  .inner_news_con .txt {
    padding: 1rem;
  }
}