@media (max-width: 1600px) {
  .left_nav {
    width: 8.5rem;
    left: -8.5rem;
  }
  .left_nav .nav_box .nav_item > a {
    height: auto;
    padding: 10px 0;
  }
  .left_nav .nav_box .nav_item > a span {
    font-size: 0.875rem;
  }
  .left_nav .nav_box .nav_item > a i {
    font-size: 10px;
  }
  .left_nav .nav_box .nav_item .er_box .er_item a {
    font-size: 0.875rem;
  }
}
@media (max-width: 1440px) {
  .left_nav.active {
    display: none;
  }
}
@media (max-width: 990px) {
  .foot-fot {
    display: block;
  }
  footer {
    display: none;
  }
  .banner .swiper-button-next,
  .banner .swiper-button-prev {
    display: none;
  }
  .index_three .left {
    width: 100%;
    padding-right: 0;
    padding-top: 0;
    position: relative;
    top: unset;
  }
  .index_three .right {
    width: 100%;
    margin-top: 20px;
  }
  .index_three::before,
  .index_three::after {
    display: none;
  }
  .index_six .content .text .tit {
    font-size: 22px;
  }
  .index_six .content .text {
    left: 20px;
  }
  .mbxdh {
    margin-top: 0;
  }
}
@media (max-width: 767px) {
  .swiper-pagination-bullet {
    width: 0.75rem;
    height: 0.75rem;
  }
  .banner .hovetit1,
  .banner .hovetit2 {
    top: 20%;
  }
  .list_about_three .content .swiper_qyln .swiper-slide .qyln_box .txt {
    bottom: 20px;
  }
  .list_about_three .content .swiper_qyln .swiper-slide .qyln_box .txt h3 {
    font-size: 1.25rem;
  }
  .list_about_three .content .swiper_qyln .swiper-slide .qyln_box .txt p {
    font-size: 1.125rem;
    margin-top: 5px;
  }
  .list_about_seven .content .swiper_coop .swiper-slide {
    padding: 8px;
  }
  .list_about_seven .content .swiper_coop .swiper-slide .over {
    height: 5rem;
  }
  .list_about_six .content {
    position: relative;
    top: 0;
    margin-bottom: 20px;
  }
  .list_about_six .content .all_title p {
    width: 100%;
  }
  .list_about_six .bgimg .pc_show {
    display: none;
  }
  .list_about_six .bgimg .m_show {
    display: block;
  }
  .list_about_seven {
    padding-top: 30px;
    padding-bottom: 30px;
  }
  .list_about_seven .content .swiper_coop .swiper-slide {
    padding: 8px;
  }
  .list_about_seven .content .swiper_coop .swiper-slide .over {
    height: 70px;
  }
  .list_contact_two .content .msg-a1 {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .list_contact_two {
    padding-top: 30px;
    padding-bottom: 30px;
  }
  .list_contact_one .right {
    width: 100%;
  }
  .list_contact_one .left {
    width: 100%;
    order: 2;
    padding: 30px 15px;
    height: auto;
  }
  .tj_news {
    display: none;
  }
  .show_news .content {
    padding-bottom: 30px;
  }
  .yyhy_content .yyhy_con .yyhy_item .text {
    padding: 20px;
  }
  .list_news_box .channel_box {
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .list_news_box .channel_box .channel_item {
    width: 47%;
    margin-bottom: 10px;
  }
  .list_news_box .channel_box .channel_item a {
    width: 100%;
    margin: 0;
  }
  .list_news_box .news_search .conxx {
    width: 100%;
  }
  .list_about_four .content .history_ul .history_li h3 {
    position: relative;
    font-size: 24px;
    font-style: italic;
  }
  .list_about_four .content .history_ul .history_li h3::before {
    content: '';
    display: block;
    width: 50px;
    height: 2px;
    background-color: #eb6b20;
    position: absolute;
    bottom: -0.625rem;
  }
  .list_about_four .content .history_ul .history_li p {
    margin-top: 20px;
    font-size: 16px;
  }
  .list_about_four .content {
    margin-top: 20px;
  }
  .list_about_three .content .swiper_qyln {
    padding-bottom: 40px;
  }
  .list_about_three,
  .list_about_four {
    padding-top: 30px;
    padding-bottom: 30px;
  }
  .list_about_two .about_num .about_item h3 span {
    font-size: 2.5rem;
  }
  .list_about_two .about_num .about_item:nth-child(3) {
    border-left: 1px solid rgba(64, 161, 198, 0.3);
  }
  .list_about_two .about_num {
    grid-template-columns: 1fr 1fr;
  }
  .list_about_two .right {
    padding-left: 15px;
    padding-top: 20px;
  }
  .show_news {
    margin-bottom: 30px;
  }
  .show_news .desc {
    flex-wrap: wrap;
  }
  .show_news .title h3 {
    font-size: 24px;
  }
  .list_video .content .swiper_video .video_box .le h3 {
    font-size: 22px;
  }
  .list_wenzhang .content .all_moreb {
    margin: 1.25rem auto 0;
  }
  .list_wenzhang .content ul,
  .yyhy_content .yyhy_con {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .list_video .content .swiper_video {
    padding-bottom: 40px;
  }
  .list_video .content .swiper_video .video_box .ri {
    width: 100%;
    order: 1;
  }
  .list_video .content .swiper_video .video_box .le {
    width: 100%;
    order: 2;
    padding: 20px;
  }
  .list_download .all_moreb {
    margin: 20px auto 0;
  }
  .list_sypro .content .swiper_sypro .swiper-scrollbar {
    display: none;
  }
  .list_sypro,
  .list_about_two {
    padding-top: 30px;
    padding-bottom: 30px;
  }
  .list_case_two .row .desc h3 {
    font-size: 20px;
  }
  .list_case_two .row .right {
    margin-top: 20px;
  }
  .list_case_two .row:nth-child(even) .right {
    order: 2;
  }
  .show_product_six .content .tabler table tr:nth-child(1) td.bg {
    min-width: unset;
    font-size: 24px;
    line-height: 1.6;
  }
  .show_product_six .content .tabler table tr td {
    min-width: 150px;
  }
  .show_product_four .content .left {
    margin-bottom: 20px;
  }
  .show_product_four .content .left ul li.active {
    height: 21.5rem;
  }
  .show_product_two .content ul li:nth-child(odd) {
    border-left: 1px solid #DFDFDF;
  }
  .show_product_two .content ul li:nth-child(6) {
    border-left: unset;
  }
  .show_product_two .content ul {
    grid-template-columns: 1fr 1fr;
  }
  .show_product_one .right .title {
    font-size: 24px;
  }
  .list_download {
    padding-bottom: 30px;
  }
  .list_download .download_box,
  .show_product_three .content ul,
  .list_case_two .gird_box {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .channel_product_three .content ul {
    grid-template-columns: 1fr;
  }
  .flex.top .left {
    width: 100%;
    order: 2;
    padding: 20px 15px;
  }
  .flex.top .right {
    width: 100%;
    order: 1;
    padding: 20px 15px;
  }
  .channel_product_two .select_group .sele {
    width: 100%;
    margin-right: 0;
    margin-bottom: 15px;
  }
  .channel_product_two .select_group {
    width: 100%;
  }
  .channel_product_two .select_group form {
    width: 100%;
  }
  .channel_product_two .select_group .conx {
    width: 100%;
  }
  .channel_product_two .select_group .conx input {
    width: 100%;
  }
  .channel_product_two .select_group {
    flex-wrap: wrap;
  }
  .channel_product_two .content .pro_box {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .mbxdh .ajhhsd {
    padding: 15px 0;
  }
  .left_nav {
    display: none;
  }
  .index_three .right .index_about_num .index_about_item:nth-child(2),
  .index_three .right .index_about_num .index_about_item:nth-child(4) {
    transform: translateY(30px);
  }
  .index_six .content {
    height: 60vw;
  }
  .index_six .content img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .index_four .all_moreb {
    margin: 20px auto 0;
  }
  .index_four .content .index_resource .index_resoure_item a p {
    font-size: 16px;
    flex: 1;
  }
  .index_four .content .index_resource {
    grid-template-columns: 1fr;
  }
  .index_three .right .index_about_num .index_about_item p {
    font-size: 16px;
  }
  .index_three .right .index_about_num .index_about_item h3 sub {
    font-size: 14px;
  }
  .index_three .right .index_about_num .index_about_item {
    padding: 20px;
  }
  .index_three .right .index_about_num .index_about_item h3 {
    margin-top: 30px;
  }
  .index_three .right .index_about_num .index_about_item h3 span {
    font-size: 30px;
  }
  .index_three .right .index_about_num {
    gap: 20px;
    margin-bottom: 40px;
  }
  .index_two .content .index_case .index_case_item .title {
    font-size: 16px;
    margin-top: 10px;
  }
  .index_two .content .index_case .index_case_item .icon {
    width: 60px;
    height: 60px;
    line-height: 60px;
  }
  .index_two .content .index_case .index_case_item .icon img {
    width: 20px;
  }
  .index_two .content .index_case .index_case_item {
    flex: unset;
    width: 50%;
    padding: 20px 0;
  }
  .index_two .content .index_case {
    flex-wrap: wrap;
    position: relative;
  }
  .index_two .content .bgimg {
    width: 100%;
    height: 100%;
    position: absolute;
  }
  .index_two .content .bgimg .bgli {
    width: 100%;
    height: 100%;
  }
  .index_two .content .bgimg .bgli img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .index_two .content {
    margin-top: 20px;
  }
  .index_one .content .swiper_index_pro .index_pro_box {
    padding-left: 20px;
    padding-bottom: 20px;
  }
  .index_one .content .swiper_index_pro .index_pro_box .text h3 {
    font-size: 20px;
  }
  .index_one .content .swiper_index_pro .swiper-scrollbar {
    display: none;
  }
  .index_one .content .swiper_index_pro {
    padding-bottom: 30px;
  }
  .swiper-pagination {
    justify-content: center;
  }
  .index_one .content {
    margin-top: 20px;
  }
  .index_one .top .all_moreb {
    margin-top: 10px;
  }
  .all_title h3 {
    font-size: 22px;
  }
  .all_title p {
    margin-top: 10px;
  }
  .index_one,
  .index_two,
  .index_three,
  .index_four {
    padding-top: 30px;
    padding-bottom: 30px;
  }
  .index_six {
    padding-bottom: 1.875rem;
  }
  .banner .scroll {
    display: none;
  }
  .banner .swiper-scrollbar {
    width: 90%;
    bottom: 20px;
  }
  .banner .hover .p1 {
    font-size: 28px;
  }
  .banner .hover.hovetit3 .p1 {
    font-size: 24px;
  }
  .banner .hovetit4 {
    top: 40%;
  }
  .list_sypro .tabul .tabli .p {
    width: 100%;
    padding: 10px;
    text-align: center;
  }
  .list_sypro .tabul .tabli {
    padding: 0 10px;
    width: 40%;
    margin-bottom: 15px;
  }
  .list_sypro .tabul {
    flex-wrap: wrap;
  }
  .pt100,
  .pt95,
  .pt90,
  .pt85,
  .pt80 {
    padding-top: 30px;
  }
  .pt75,
  .pt70,
  .pt65,
  .pt60,
  .pt55,
  .pt50,
  .pt45 {
    padding-top: 20px;
  }
  .pt40,
  .pt35,
  .pt30,
  .pt25,
  .pt20,
  .pt15 {
    padding-top: 10px;
  }
  .pb120,
  .pb130,
  .pb135,
  .pb100,
  .pb95,
  .pb90,
  .ptb5,
  .pb80 {
    padding-bottom: 30px;
  }
  .pb75,
  .pb70,
  .pb65,
  .pb60,
  .pb55,
  .pb50,
  .pb45 {
    padding-bottom: 20px;
  }
  .pb40,
  .pb35,
  .pb30,
  .pb25,
  .pb20,
  .pb15 {
    padding-bottom: 10px;
  }
  .mb100,
  .mb95,
  .mb90,
  .mb85,
  .mb80,
  .mb75,
  .mb70,
  .mb65,
  .mb60 {
    margin-bottom: 30px;
  }
  .mb55,
  .mb50,
  .mb45,
  .mb40,
  .mb35 {
    margin-bottom: 20px;
  }
  .mb25,
  .mb20,
  .mb15,
  .mb30 {
    margin-bottom: 10px;
  }
  .mt100,
  .mt95,
  .mt90,
  .mt85,
  .mt80,
  .mt75,
  .mt70,
  .mt65,
  .mt60 {
    margin-top: 30px;
  }
  .mt55,
  .mt50,
  .mt45,
  .mt40,
  .mt35 {
    margin-top: 20px;
  }
  .mt30,
  .mt25,
  .mt20,
  .mt15 {
    margin-top: 10px;
  }
}