@media screen and (min-width: 1700px) {

  /* #region  首页*/
  html,
  body {
    font-size: 20px;
  }

  .width {
    width: 1600px;
  }

  .width2 {
    width: 800px;
  }

  .zoom {
    height: auto;
    overflow: hidden;
    zoom: 1;
    margin: auto
  }

  /* #endregion */

}

@media screen and (max-width: 1699px) {

  /* #region  首页*/
  html,
  body {
    font-size: 19px;
  }

  .width {
    width: 1350px;
  }

  .width2 {
    width: 675px;
  }

  .nav li {
    margin-left: 2.5rem;
  }

  /* #endregion */

  /* #region  内页*/
  .innovate2_text {
    padding: 0 6%;
  }

  .operate2_text {
    padding: 0 6%;
  }

  /* #endregion */

}

@media screen and (max-width: 1449px) {

  /* #region  首页*/
  html,
  body {
    font-size: 18px;
  }

  .width {
    width: 1150px;
  }

  .width2 {
    width: 575px;
  }

  .logo img {
    width: 15rem;
  }

  .nav li {
    margin-left: 1.8rem;
  }

  .banner_txt {
    top: 57%;
  }

  .banner_txt div {
    font-size: 3rem;
  }

  .banner_txt a {
    margin-top: 3.8rem;
  }

  .index3_row a {
    height: 31.5rem;
  }


  /* #endregion */

  /* #region  内页*/
  .pshow1_left ul {
    padding-right: 0;
  }

  .innovate2_text {
    padding: 0;
  }

  .operate2_text {
    padding: 0;
  }

  .news_right .news_more {
    margin-top: 4rem;
  }

  .contact2_col2 {
    width: 17.5%;
  }

  /* #endregion */

}

@media screen and (max-width: 1249px) {

  /* #region  首页*/
  html,
  body {
    font-size: 17px;
  }

  .width {
    width: 920px;
  }

  .width2 {
    width: 460px;
  }

  .logo img {
    width: 13rem;
  }

  .nav li {
    margin-left: 1.1rem;
  }

  .index1_txt {
    padding: 0 2%;
  }

  .index1_ul li {
    width: 32%;
  }

  .index3_row a {
    height: 30rem;
  }

  .footer_right {
    padding-left: 5%;
  }

  /* #endregion */

  /* #region  内页*/
  .se_tab {
    width: 100%;
  }

  .about1_right .index1_ul li img {
    width: 3.2rem;
    margin-right: 0.5rem;
  }

  .about1_right .index1_ul li b {
    font-size: 2.6rem;
  }

  .about3_tab li {
    width: 14.5rem;
  }

  .pshow1_left li {
    margin-right: 1.5rem;
  }

  .innovate1_ul li {
    height: 17rem;
    padding: 2.5rem 1.5% 0 1.5%;
  }

  .innovate3_img {
    width: 9.2rem;
    height: 9.2rem;
  }

  .innovate3_txt {
    top: 10.5rem;
  }

  .news_right .news_more {
    margin-top: 3rem;
  }

  .contact1_ul li {
    margin-right: 6%;
  }

  /* #endregion */

}


@media screen and (min-width: 768px) and (max-width: 1024px) {

  /* #region  首页*/
  .width {
    width: 90%;
  }

  .width2 {
    width: 90%;
    margin: 0 auto;
  }

  .banner_txt div {
    font-size: 2.3rem;
  }

  .banner_txt a {
    margin-top: 3rem;
  }

  .index3_row a {
    height: 25rem;
  }

  .index3_num {
    font-size: 3.5rem;
    top: 3%;
  }

  .index3_col,
  .index3_title {
    font-size: 1.3rem;
  }

  .index4_row,
  .index4_time span,
  .index4_text {
    font-size: .9rem;
  }

  /* #endregion */

  /* #region  内页*/
  .about2 {
    display: block;
  }

  .about2_left {
    width: 100%;
    background: url(../images/about2_left.jpg) no-repeat;
    background-size: cover;
    background-position: center;
    padding: 3rem 0;
  }

  .about2_left ul {
    padding-right: 0;
  }

  .about2_right {
    width: 100%;
  }

  .about2_bg {
    display: none;
  }

  .about3_text {
    padding-left: 2%;
  }

  .page a {
    font-size: .9rem;
  }

  .operate1_col div {
    font-size: .9rem;
  }

  .news_txt div {
    font-size: .9rem;
  }

  .nshow_time,
  .news_more,
  .news_time span {
    font-size: .9rem;
  }

  .modal_row input,
  .modal_row textarea,
  .modal_row span {
    font-size: .9rem;
  }

  .contact2_col2 {
    width: 15.5%;
  }

  .download_ul div {
    font-size: .9rem;
  }

  /* #endregion */

}

@media screen and (max-width: 767px) {

  /* #region  首页*/
  .width {
    width: 95%;
  }

  .width2 {
    width: 95%;
    margin: 0 auto;
  }

  .header>.width {
    height: 4.5rem;
  }

  .logo img {
    width: 16rem;
  }

  .nav_icon {
    margin-left: auto;
    cursor: pointer;
    display: block;
    position: relative;
  }

  .nav_icon img {
    width: 2.5rem;
    transition: .2s;
  }

  .nav_icon img:nth-of-type(2) {
    position: absolute;
    left: 0;
    top: 0;
  }

  .index_header .nav_icon img:nth-of-type(2) {
    opacity: 0;
  }

  .index_header:hover .logo img:nth-of-type(2) {
    opacity: 0;
  }

  .index_header:hover .nav_icon img:nth-of-type(2) {
    opacity: 0;
  }

  .index_header:hover {
    background: none;
    box-shadow: none;
  }

  .index_header .nav_link,
  .index_header:hover .nav_link {
    color: #666666;
  }


  .nav_icon2 img {
    transform: rotate(90deg);
  }

  .nav_modal {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 99999;
    background: rgba(0, 0, 0, .5);
  }

  .nav {
    position: fixed;
    left: -101%;
    top: 0;
    width: 60%;
    height: 100%;
    background: #fff;
    z-index: 999999;
    display: block;
    padding: 2rem 0;
    transition: .3s;
    overflow-y: auto;
  }

  .nav2 {
    left: 0;
  }

  .nav li {
    margin-left: 0;
  }

  .nav_link {
    font-size: 1.3rem;
    text-align: center;
  }

  .nav_select {
    position: relative;
    left: 0;
    top: 0;
    width: 100%;
    background-color: #eee;
    padding: 1rem 0;
    display: none;
  }

  .nav_img {
    display: none;
  }

  .nav_list {
    display: block;
    padding: 0;
  }

  .nav_select .width {
    width: 100%;
  }

  .nav_list a {
    width: 100%;
    font-size: 1.15rem;
    line-height: 2.6rem;
    text-align: center;
    margin-top: 0;
  }

  .nav_link::after {
    bottom: 0.5rem;
  }


  .nav_link.active::after {
    width: 20%;
  }

  .nav_link:hover::after {
    width: 0;
  }

  .nav_link:hover {
    color: #666 !important;
  }

  .banner .swiper-slide img {
    height: 30rem;
    object-fit: cover;
    object-position: center;
  }

  .banner_txt div {
    font-size: 2.2rem;
  }

  .banner_txt a {
    width: 12rem;
    line-height: 3.2rem;
    font-size: 1.1rem;
    margin-top: 2rem;
  }

  .index1_title i {
    font-size: 4.5rem;
  }

  .index1_title span {
    top: 3rem;
  }

  .index1_title div {
    font-size: 1.3rem;
  }

  .index1_txt {
    font-size: 1.1rem;
    padding: 0;
  }

  .index1_ul li {
    width: 33.33%;
    display: block;
    padding: 0 .5rem;
    text-align: center;
  }

  .index1_ul li img {
    margin: 0 auto;
  }

  .index1_ul li div {
    margin-top: 1rem;
  }

  .index1_ul li p,
  .index1_ul li span {
    font-size: 1rem;
  }

  .index2_bg {
    height: 12rem;
  }

  .index2_row .width {
    flex-wrap: wrap;
  }

  .index2_row li,
  .index2_item {
    width: 48.5%;
    height: 50%;
  }

  .index2_row .width {
    height: 28rem;
  }

  .index2_row li div {
    font-size: 1.3rem;
  }

  .index2_row li span {
    font-size: 1.1rem;
  }

  .index3_row {
    flex-wrap: wrap;
    padding-top: 3.3rem;
  }

  .index3_row a.active,
  .index3_row a {
    width: 49%;
    height: 18rem;
    margin-top: .6rem;
  }

  .index3_row a.active .index3_bg {
    opacity: 1;
  }

  .index3_col {
    opacity: 0;
  }

  .index3_txt {
    opacity: 1;
  }

  .index3_title {
    font-size: 1.3rem;
    justify-content: center;
  }

  .index3_title span {
    display: none;
  }

  .index3_btn {
    font-size: 1rem;
  }

  .index4 .swiper-slide {
    width: 27rem;
  }

  .index4_time div {
    font-size: 2.2rem;
  }

  .index4_time span {
    font-size: 1rem;
  }

  .index4_title {
    font-size: 1.4rem;
  }

  .index4_text {
    font-size: 1rem;
    line-height: 1.8rem;
    height: 5.4rem;
  }

  .index4_row {
    font-size: 1.1rem;
  }

  .index4_dot div {
    width: 3.6rem;
    height: 3.6rem;
  }

  .footer_con {
    display: block;
    padding: 3rem 0;
  }

  .footer_left {
    width: 100%;
    padding-right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-right: none;
  }

  .footer_phone {
    font-size: 1.8rem;
  }

  .footer_code {
    width: 8.5rem;
    margin-left: 2rem;
  }

  .footer_txt {
    flex: 1;
    overflow: hidden;
  }

  .footer_logo {
    width: 4rem;
  }

  .footer_code,
  .footer_address {
    font-size: 1rem;
  }

  .footer_code {
    margin-top: 0;
  }

  .footer_code span {
    margin-top: .5rem;
  }

  .footer_right {
    padding-left: 0;
    padding-top: 1rem;
    display: block;
  }

  .footer_right li {
    display: flex;
    align-items: flex-start;
    line-height: 2rem;
    margin-top: 1rem;
  }

  .footer_right li div {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-wrap: wrap;
  }

  .footer_right li a {
    font-size: 1.1rem;
    line-height: 2rem;
    padding: 0;
    margin-left: 1.2rem;
  }

  .footer_right span {
    font-size: 1.1rem;
    margin-bottom: 0;
  }

  .footer_bottom .width {
    flex-direction: column-reverse;
  }

  .footer_bottom ul {
    max-width: 100%;
    justify-content: flex-start;
  }

  .footer_text {
    max-width: 100%;
    margin-top: 1rem;
  }

  .footer_bottom {
    font-size: 1rem;
  }


  /* #endregion */

  /* #region  内页*/
  .se_tab {
    flex-wrap: wrap;
  }

  .se_tab a,
  .se_tab li {
    height: 4rem;
    min-width: 33.33%;
  }

  .se_tab2 a,
  .se_tab2 li {
    min-width: 50%;
  }

  .about1 {
    flex-direction: column-reverse;
  }

  .about1_left,
  .about1_right {
    width: 100%;
  }
  .about1_left{
    margin-top: 2rem;
  }
  .about1_text {
    font-size: 1.1rem;
  }

  .about2 {
    display: block;
  }

  .about2_left {
    width: 100%;
    background: url(../images/about2_left.jpg) no-repeat;
    background-size: cover;
    background-position: center;
    padding: 3rem 0;
  }

  .about2_left ul {
    padding-right: 0;
  }

  .about2_right {
    width: 100%;
  }

  .about2_bg {
    display: none;
  }

  .about1 {
    padding-top: .5rem;
  }

  .about1_right .index1_ul li img {
    margin: 0 auto;
  }

  .about1_right .index1_ul li b {
    font-size: 3.2rem;
  }

  .about2_left p {
    font-size: 1.1rem;
  }

  .about2_left div {
    font-size: 1.4rem;
  }

  .about3_tab {
    width: 100%;
    justify-content: space-between;
  }

  .about3_tab li {
    width: 48.5%;
    height: 10.5rem;
    margin-right: 0;
  }

  .about3_con {
    display: block;
  }

  .about3_text {
    padding-left: 0;
    padding-top: 3rem;
  }

  .about3 {
    padding: 4rem 0;
  }

  .about3_con {
    margin-top: 4rem;
  }

  .about5 ul {
    justify-content: space-between;
    padding-top: 2rem;
  }

  .about5 li {
    width: 48.5%;
    margin-right: 0;
    margin-top: 1rem;
  }

  .about5 li div {
    font-size: 1.15rem;
  }

  .about5 li:nth-of-type(odd) {
    animation-delay: 0s;
  }

  .about5 li:nth-of-type(even) {
    animation-delay: 0.1s;
  }

  .product_main {
    padding-top: 5rem;
  }

  .product_main .width {
    display: block;
  }

  .product_left,
  .product_right {
    width: 100%;
  }

  .product_list {
    font-size: 1.2rem;
    line-height: 3rem;
  }

  .product_item div {
    font-size: 1.1rem;
  }

  .product_item a {
    width: 10rem;
    line-height: 3.2rem;
    font-size: 1.2rem;
  }

  .product_right {
    margin-top: 2rem;
  }

  .product_left ul {
    padding-top: 3rem;
  }

  /* #endregion */

  /* #region  内页*/
  .back a {
    font-size: 1.2rem;
  }

  .pshow1_con {
    flex-direction: column-reverse;
  }

  .pshow1_left {
    width: 100%;
  }

  .pshow1_right {
    width: 100%;
  }

  .pshow1_text {
    font-size: 1.1rem;
    margin-top: 1.6rem;
  }

  .pshow1_left li {
    width: 5.8rem;
    font-size: 1.1rem;
  }

  .pshow1_left li:nth-of-type(4n+4) {
    margin-right: 0;
  }

  .pshow1_left li img {
    height: 5.8rem;
  }

  .pshow1_t1 {
    font-size: 1.2rem;
  }

  .pshow1 {
    padding-top: 3rem;
  }

  .pshow2_tab div {
    font-size: 1.3rem;
  }

  .pshow2_con {
    font-size: 1.1rem;
  }

  .pshow2 {
    padding-top: 2.5rem;
  }

  .pshow1_title {
    font-size: 2.2rem;
  }

  .innovate1 {
    padding-top: 1.5rem;
    padding-bottom: 5rem;
  }

  .innovate1_text {
    font-size: 1.1rem;
  }

  .innovate1_ul {
    flex-wrap: wrap;
  }

  .innovate1_ul li {
    width: 48.5%;
    margin-bottom: 4rem;
    font-size: 1.1rem;
  }

  .innovate1_bg {
    top: 16.5rem;
  }

  .innovate1_ul li:nth-of-type(odd) {
    animation-delay: 0s;
  }

  .innovate1_ul li:nth-of-type(even) {
    margin-top: 0;
    animation-delay: 0.1s;
  }

  .innovate1_ul li {
    height: 17.5rem;
  }

  .innovate2_text {
    font-size: 1.1rem;
  }

  .innovate3_img {
    width: 10rem;
    height: 10rem;
    transform: scale(.7);
  }

  .innovate3_txt {
    top: 11.3rem;
  }

  .innovate3_txt span {
    font-size: 1.1rem;
  }

  .innovate3_txt p {
    font-size: 1.1rem;
  }

  .innovate3 .swiper-container {
    padding-bottom: 11.5rem;
  }

  .cooperation1_con {
    display: block;
  }

  .cooperation1_left {
    width: 100%;
  }

  .cooperation1_right {
    width: 100%;
    margin-top: 3.5rem;
  }

  .cooperation1_right p {
    font-size: 1.1rem;
  }

  .cooperation1 {
    padding-top: 1.5rem;
  }

  .cooperation1_con {
    margin-top: 3.5rem;
  }

  .cooperation2_ul {
    justify-content: space-between;
  }

  .cooperation2_ul li {
    width: 48.5%;
    margin-right: 0;
  }

  .cooperation2_ul p {
    font-size: 1rem;
  }

  .cooperation2_ul div {
    padding: 1rem 5% 1.3rem 5%;
  }

  .cooperation2_ul {
    padding-top: 2rem;
  }

  .cooperation2_ul li {
    margin-top: 2rem;
  }

  .cooperation2_ul li:nth-of-type(odd) {
    animation-delay: 0s;
  }

  .cooperation2_ul li:nth-of-type(even) {
    animation-delay: 0.1s;
  }

  .page a {
    font-size: 1.1rem;
  }

  .page a:first-of-type:hover,
  .page a:last-of-type:hover {
    width: 3rem;
    height: 3rem;
  }

  /* #endregion */

  /* #region  内页*/
  .operate1 {
    padding-top: 1rem;
  }

  .operate1_con ul {
    flex-wrap: wrap;
    padding: 3rem 0;
  }

  .operate1_con li {
    width: 100%;
    padding: 2rem 2.5%;
    transition: .3s;
  }

  .operate1_col div {
    font-size: 1.1rem;
  }

  .operate1_con li:nth-of-type(2),
  .operate1_con li:nth-of-type(3) {
    animation-delay: 0s;
  }

  .operate2_text {
    font-size: 1.1rem;
  }

  .operate2_ul li {
    display: block;
  }

  .operate2_img,
  .operate2_txt {
    width: 100%;
  }

  .operate2_txt {
    padding: 2rem 3%;
  }

  .operate2_t2,
  .operate2_t1 div {
    font-size: 1.1rem;
  }

  .operate2_num {
    font-size: 4rem;
  }

  .operate4 .width {
    display: block;
  }

  .operate4_left,
  .operate4_right {
    width: 100%;
  }

  .operate4_col {
    width: 100%;
  }

  .operate4_txt {
    font-size: 1.2rem;
  }

  .operate4_right {
    padding-top: 3rem;
  }

  .operate4_right button,
  .operate4_row div {
    font-size: 1.3rem;
  }

  .operate4_row textarea,
  .operate4_row input {
    font-size: 1.1rem;
  }

  .operate4_left {
    padding-top: 0;
  }

  .news_top {
    display: block;
  }

  .news_top .news_img {
    width: 100%;
  }

  .news_right {
    width: 100%;
    padding: 2rem 5%;
  }

  .news_time span {
    font-size: 1rem;
  }

  .news_txt h3 {
    font-size: 1.3rem;
  }

  .news_txt h3 {
    font-size: 1.4rem;
  }

  .news_more,
  .news_txt div {
    font-size: 1.1rem;
  }

  .news_ul li a {
    flex-direction: column;
    align-items: flex-start;
    padding: 0 0 2rem 0;
  }

  .news_ul li .news_img {
    order: 1;
  }

  .news_ul li .news_time {
    order: 2;
  }

  .news_ul li .news_txt {
    order: 3;
  }

  .news_ul li .news_more {
    order: 4;
  }


  .news_ul li .news_time {
    margin-top: 2rem;
    padding: 0 5%;
  }

  .news_ul li .news_img {
    width: 100%;
    margin: 0;
    border-radius: 0;
  }

  .news_ul li .news_txt {
    width: 100%;
    padding: 0 5%;
    margin-top: 0.9rem;
  }

  .news_ul li .news_more {
    padding: 0 5%;
    margin-top: 3rem;
  }

  .news_back a {
    font-size: 1.2rem;
  }

  .news_back a div {
    width: 3rem;
    height: 3rem;
  }

  .news_back a img {
    width: 1.05rem;
  }

  .nshow_text,
  .nshow_time {
    font-size: 1.1rem;
  }

  .nshow_page {
    display: block;
  }

  .nshow_page a {
    max-width: 100%;
    font-size: 1.1rem;
    line-height: 2;
  }

  /* #endregion */

  /* #region  内页*/
  .contact1 {
    display: block;
    padding-top: 0;
  }

  .contact1_left {
    width: 100%;
  }

  .contact1_right {
    width: auto;
    margin-left: 1rem;
  }

  .contact1_title span {
    font-size: 1.3rem;
  }

  .contact1_ul li {
    margin-right: 0;
    width: 33.33%;
    padding: 0 .5rem;
  }

  .contact1_ul span,
  .contact1_ul div {
    font-size: 1.1rem;
  }

  .contact1_right {
    margin-top: 2rem;
  }

  .contact1_ul {
    margin-top: 3.5rem;
  }

  .operate4_row textarea {
    padding: .6rem 1rem;
  }

  .contact2 .width {
    white-space: nowrap;
    overflow-x: auto;
  }

  .contact2_ul {
    width: 50rem;
  }

  .contact2_col4 {
    width: 25.45%;
  }

  .contact2_col5 {
    width: 15.05%;
    flex: none;
  }

  .contact2_btn,
  .contact2_text {
    white-space: normal;
    font-size: 1.1rem;
  }

  .modal_card {
    width: 26rem;
    padding: 1.8rem 1.5rem 2.25rem 1.5rem;
  }

  .modal_select li,
  .modal_btn,
  .modal_row textarea,
  .modal_row span,
  .modal_row input {
    font-size: 1.1rem;
  }

  .modal_form {
    padding-top: 0;
  }

  .modal_title {
    font-size: 1.5rem;
  }

  .modal_close {
    margin-left: .5rem;
  }

  .modal_close span {
    display: none;
  }

  .modal_close img {
    width: 1.2rem;
  }

  .modal_row input {
    height: 2.3rem;
  }

  .modal_btn {
    height: 3rem;
  }

  .download {
    padding-top: 0;
  }

  .download_title {
    display: block;
  }

  .download_title ul {
    justify-content: space-between;
    margin-top: 3rem;
  }

  .download_title ul a {
    width: 32%;
    margin-left: 0;
    font-size: 1.2rem;
  }

  .download_ul {
    justify-content: space-between;
  }

  .download_ul li {
    width: 48.5%;
    margin-right: 0;
  }

  .download_ul li:nth-of-type(odd) {
    animation-delay: 0s;
  }

  .download_ul li:nth-of-type(even) {
    animation-delay: 0.1s;
  }

  .download_ul i img {
    width: 4rem;
  }

  .download_ul div {
    font-size: 1.1rem;
    margin-top: 1rem;
  }

  .download_ul a {
    padding: 2.5rem 7% 1.5rem 7%;
  }

  .download_ul a:hover div {
    border-color: #fff;
  }

  .modal_card2 {
    padding-top: 0.9rem;
  }

  .modal_card2 .modal_form {
    padding-top: 0;
  }

  .modal_ul li {
    width: 9rem;
    line-height: 2.4rem;
    font-size: 1.1rem;
  }

  .about5 .swiper-slide div,
  .about5 li div {
    line-height: 3rem;
    font-size: 1.1rem;
  }

  /* #endregion */

}


/* #region  */

/* #endregion */