@media screen and (min-width: 1600px) {

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

  .container {
    width: 1420px;
  }

  /* #endregion */

}

@media screen and (max-width: 1700px) {
  header .nav li {
    padding: 0 .75rem;
  }
}

@media screen and (max-width: 1530px) {
  header .phone {
    display: none;
  }
}


@media screen and (max-width: 1599px) {

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

  .container {
    width: 1320px;
  }

  header .phone {
    font-size: 1.6rem;
  }

  /* #endregion */

  /* #region  内页*/


  /* #endregion */

}

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

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

  .container {
    width: 1150px;
  }

  .banner .banner_text .container .text {
    font-size: 3.6rem;
  }

  .banner .banner_text .container .img {
    width: 55%;
  }

  header .phone {
    display: none;
  }


  /* #endregion */

  /* #region  内页*/

  /* #endregion */

}

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

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

  .container {
    width: 920px;
  }

  .banner .banner_text .container .text {
    font-size: 3.4rem;
  }

  .banner .banner_text .container .img {
    width: 53%;
  }

  .index2 .container .left .t2 {
    font-size: 1.3rem;
  }

  footer .top .conter {
    display: none;
  }

  footer .top {
    justify-content: space-evenly;
  }

  footer .top .right {
    width: 40%;
  }

  footer .top .left {
    width: 33%;
  }

  .index3 .card ul li div {
    width: 17.8rem;
  }

  header .nav li {
    padding: 0 .5rem;
  }

  /* #endregion */

  /* #region  内页*/

  /* #endregion */

}

@media screen and (min-width: 769px) and (max-width: 1024px) {

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

  /* #region  内页*/


  /* #endregion */

}

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

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

  header .nav {
    position: fixed;
    left: -101%;
    top: 0;
    width: 60%;
    height: 100%;
    z-index: 99999;
    transition: ease-out .36s;
    background: #fff;
    display: block;
    padding: 2rem 0;
    overflow-y: auto;
  }

  header .nav.on {
    left: 0;
  }

  header .nav li {
    margin: 0;
    padding: 0;
  }

  header .nav li .nav_one {
    display: flex;
    align-items: center;
  }

  header .nav li .nav_one a {
    flex: 1;
    font-size: 1.3rem;
    line-height: 4rem;
    padding: 0 2rem;
    color: #333;
  }

  header .nav li .nav_one a::after {
    display: none;
  }

  header .nav li .nav_one img {
    display: block;
  }

  header .nav li .nav_one i {
    position: relative;
    top: 0;
    right: 0;
    padding: 1rem;
    transition: ease-out .36s;
  }

  header .nav li .nav_one i img {
    width: 2rem;
    transition: ease-out .2s;
  }

  header .nav li .nav_one i.on {
    transform: rotate(90deg);
  }

  header .nav li .nav_two {
    position: relative;
    left: 0;
    top: 0;
    width: 100%;
    transform: translateX(0);
    padding: .6rem 0;
    background: #dcd3d3;
    display: none;
    box-shadow: none;
  }

  header .nav li .nav_two a {
    font-size: 1.2rem;
    padding: 0 2rem;
    line-height: 2.3;
    text-align: left;
    border-bottom: none;
  }

  .nav_modal {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, .7);
    display: none;
    z-index: 999;
  }

  .nav_icon {
    display: block;
    margin-left: auto;
    transition: ease-out .36s;
    position: relative;
    padding: .8rem;
  }

  .nav_icon img {
    width: 2.8rem;
    transition: ease-out .36s;
  }

  .nav_icon img:nth-child(2) {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
  }

  header .container {
    height: 6rem;
  }

  header.on2 .nav_icon img,
  header.on .nav_icon img {
    opacity: 0;
  }

  header.on2 .nav_icon img:nth-child(2),
  header.on .nav_icon img:nth-child(2) {
    opacity: 1;
  }

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

  .banner .banner_text .container {
    display: block;
  }

  .banner .banner_text .container .text {
    font-size: 2.8rem;
  }

  .banner .banner_text .container .img {
    width: 90%;
    margin: 2rem auto 0 auto;
  }

  .banner .banner_text .container .text .t3 {
    font-size: 1.3rem;
    width: 14rem;
    line-height: 3.1rem;
  }

  .banner .banner_text .container {
    width: 70%;
  }

  .banner .prev {
    left: 2.5%;
  }

  .banner .next {
    right: 2.5%;
  }

  .banner .banner_text {
    top: 50%;
  }

  .index1 .container {
    display: block;
    margin-top: 3rem;
  }

  .index1 .right,
  .index1 .left {
    width: 100%;
  }

  .index1 .right {
    margin-top: 1.5rem;
  }

  .index1 .right .next,
  .index1 .right .prev {
    height: 3rem;
  }

  .index1 .right .next img,
  .index1 .right .prev img {
    width: 1.5rem;
  }

  .index2 .container {
    display: block;
  }

  .index2 .container .left {
    width: 100%;
  }

  .index2 .container .right {
    width: 100%;
  }

  .index2 .container .left .t1 {
    font-size: 1.2rem;
  }

  .index2 .container .left .t1 p b {
    font-size: 3.8rem;
  }

  .index2 .container .left .t1 {
    line-height: 1.2;
  }

  .index2 .container .left .t2 {
    font-size: 1.5rem;
  }

  .index2 .container .left .t3 {
    font-size: 1.2rem;
  }

  .index2 .container .left a {
    width: 9.5rem;
    line-height: 3rem;
    border-radius: 1.5rem;
    font-size: 1.3rem;
  }

  .index2 .container .left ul li p {
    font-size: 1.3rem;
  }

  .index2 .container .right {
    margin-top: 3.5rem;
  }

  .index2 .container .right .dot .swiper-pagination-bullet {
    width: 0.6rem;
    height: 0.6rem;
    margin: 0 0.35rem !important;
  }

  .index1 {
    padding: 4.5rem 0;
  }

  .index2 .bg {
    padding: 4.5rem 0 4rem 0;
  }

  .index3 .con {
    position: relative;
    width: 65%;
    margin: 0 auto;
  }

  .index3 .card {
    width: 100%;
    margin: 3.75rem auto 0 auto;
  }

  .index3 .card ul li {
    position: relative;
    left: 0 !important;
    top: 0 !important;
    right: 0 !important;
    left: 0 !important;
  }

  .index3 .card ul li div {
    position: relative;
    left: 0 !important;
    top: 0 !important;
    left: 0 !important;
    transform: translateY(0%);
    width: auto;
    flex: 1;
  }

  .index3 .card ul li {
    width: 100%;
    height: auto;
    display: flex;
    align-items: start;
    margin-top: 2.8rem;
  }

  .index3 .card ul li:nth-child(3) div {
    text-align: left;
    padding-right: 0;
    padding-left: 0.6rem;
  }

  .index3 .card ul li:nth-child(even) {
    flex-direction: row-reverse;
    text-align: right;
  }

  .index3 .card ul li:nth-child(even) div {
    padding-right: .5rem;
    padding-left: 0;
  }

  .index3 .card ul li i {
    width: 5rem;
    height: 5rem;
  }

  .index3 .card ul li div p {
    font-size: 1.3rem;
  }

  .index3 .card ul li div span {
    font-size: 1.2rem;
  }

  .index3 {
    padding: 4.5rem 0 6rem 0;
  }

  .index4 .ul {
    justify-content: space-between;
  }

  .index4 .ul a {
    width: 49%;
    margin-right: 0;
  }

  .index4 .ul a:nth-child(odd) {
    animation-delay: 0s
  }

  .index4 .ul a:nth-child(even) {
    animation-delay: .1s
  }

  .index5 .title_row {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .title_row a {
    font-size: 1.3rem;
    line-height: 2.2;
    position: relative;
    right: 0;
    top: 0;
    transform: translateY(0);
  }

  .title_row a img {
    width: 1.3rem;
    margin-right: 0.75rem;
  }

  .index5 .title_row .title {
    text-align: left;
  }

  .index5 .top {
    display: block;
    padding-top: 2.5rem;
  }

  .index5 .top a {
    width: 100%;
    margin-top: 1rem;
  }

  .index5 .top a div span {
    font-size: 1.1rem;
  }

  .index5 .top a div h3 {
    font-size: 1.3rem;
  }

  .index5 .bottom {
    display: block;
  }

  .index5 .bottom a {
    width: 100%;
  }

  .index5 .bottom a h3 {
    font-size: 1.3rem;
  }

  .index5 .bottom a div {
    font-size: 1.2rem;
  }

  .index5 .bottom a span {
    font-size: 1.2rem;
  }

  .index5 .bottom a {
    margin-top: 2.2rem;
  }

  .index5 {
    padding-bottom: 4.5rem;
  }

  .index6 .ul li:last-child,
  .index6 .ul li:nth-child(6n+6),
  .index6 .ul li {
    width: 28%;
    margin: 0 2.66%;
  }

  .index6 .ul li:nth-child(5n+5) {
    margin: 0 2.7%;
  }

  .index6 .title_row a {
    width: 8rem;
    margin: 0 auto;
    justify-content: center;
    margin-top: 2rem;
  }

  .index6 .ul {
    margin-top: 3.5rem;
  }

  .index6 {
    padding: 4rem 0 6.6rem 0;
  }

  footer .top {
    display: block;
  }

  footer .top .right,
  footer .top .left {
    width: 100%;
  }

  footer .top .left a {
    margin-left: auto;
    margin-right: auto;
    width: 16rem;
  }

  footer .top .left .txt {
    justify-content: center;
  }

  footer .top .left .phone {
    text-align: center;
    font-size: 2.2rem;
    margin: 0.6rem 0;
  }

  footer .top .left .txt {
    font-size: 1.3rem;
  }

  footer .top .left .txt img {
    width: 1.6rem;
  }

  footer .top .right b {
    font-size: 1.4rem;
  }

  footer .top .right ul {
    font-size: 1.2rem;
  }

  footer .top .right ul li {
    margin-top: 0.8rem;
  }

  footer .top .right .card {
    padding-top: 1rem;
  }

  footer .top .right {
    margin-top: 1rem;
  }

  footer .top {
    padding: 3.5rem 0 2.8rem 0;
  }

  footer .bottom {
    font-size: 1.1rem;
    padding: 1.5rem 0;
  }


  /* #endregion */

  /* #region  内页*/
  .banner2 div {
    font-size: 1.3rem;
  }

  .banner2 div p {
    font-size: 1.8rem;
  }

  .bread .container {
    flex-direction: column-reverse;
  }

  .bread .right {
    font-size: 1.2rem;
  }

  .bread .right img {
    width: 1.3rem;
  }

  .bread .left a {
    font-size: 1.3rem;
  }

  .bread a {
    line-height: 4.3rem;
  }

  .about1 .about1_con {
    display: block;
  }

  .about1 .about1_con .left {
    width: 100%;
  }

  .about1 .about1_con .left .tit {
    text-align: center;
  }

  .about1 .about1_con .left .tit div {
    font-size: 2.6rem;
  }

  .about1 .about1_con .left .tit p {
    font-size: 1.3rem;
    margin-top: .5rem;
  }

  .about1 .about1_con .left ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
  }

  .about1 .about1_con .left ul li {
    width: 50%;
  }

  .about1 .about1_con .left ul li span {
    font-size: 1.3rem;
    text-align: center;
  }

  .about1 .about1_con .left ul li div {
    font-size: 1.3rem;
    text-align: center;
  }

  .about1 .about1_con .left ul li div p {
    font-size: 1.1rem;
  }

  .about1 .about1_con .left ul li div p b {
    font-size: 2.2rem;
  }

  .about1 .about1_con .right {
    border-left: none;
    padding-left: 0;
  }

  .about1 .about1_con .right .tit {
    font-size: 1.8rem;
  }

  .about1 .about1_con .right .text {
    font-size: 1.2rem;
  }

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

  .about2 .container {
    display: block;
  }

  .about2 .left {
    width: 100%;
  }

  .about2 .right {
    width: 100%;
    margin-top: 1rem;
  }

  .about2 .left li i {
    width: 4rem;
  }

  .about2 .left li div {
    font-size: 1.2rem;
  }

  .about2 .left li p {
    font-size: 1rem;
  }

  .about2 .right div {
    padding: 1.25rem 1rem;
    font-size: 1.2rem;
  }

  .about_title {
    width: 90%;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.45;
  }

  .about3 .about3_swp {
    padding-bottom: 72%;
  }

  .about3 {
    padding-bottom: 6rem;
  }

  .about1 .about1_con .left ul li {
    margin-top: 2.5rem;
  }

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

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

  .step {
    padding-bottom: 6rem;
  }

  .product .tit {
    font-size: 2.5rem;
  }

  .product .ul {
    justify-content: space-between;
  }

  .product .ul a {
    width: 48.5%;
    margin-right: 0;
  }

  .product {
    padding-bottom: 7rem;
  }

  .product2 .ul2 {
    justify-content: space-between;
    padding-top: 2.5rem;
  }

  .product2 .ul2 a {
    width: 48.5%;
    margin-right: 0;
    margin-top: 1.5rem;
  }


  .pagination .page-numbar,
  .pagination {
    flex-wrap: wrap;
  }

  .pagination a {
    font-size: 1.2rem;
    min-width: 2.2rem;
    height: 2.2rem;
    border-radius: 1.1rem;
  }

  .pdetails_top .container {
    display: block;
  }

  .pdetails_top .container .left {
    width: 100%;
  }

  .pdetails_top .container .right {
    width: 100%;
    margin-top: 2rem;
  }

  .pdetails_top .container .right .t2 {
    font-size: 1.3rem;
  }

  .pdetails_top .container .right .t3 {
    font-size: 1.3rem;
  }

  .pdetails_top .container .right .t4 {
    display: block;
  }

  .pdetails_top .container .right .t4 div p span {
    font-size: 1.2rem;
  }

  .pdetails_top .container .right .t4 div p b {
    font-size: 2rem;
  }

  .pdetails_top .container .right .t4 div img {
    width: 3.3rem;
  }

  .pdetails_top .container .right .t4 a {
    width: 12rem;
    line-height: 3rem;
    font-size: 1.3rem;
    border-radius: 1.5rem;
    margin-top: 2rem;
  }

  .pdetails_bottom {
    padding-bottom: 9rem;
  }

  .pdetails_top {
    padding: 5rem 0;
    margin-top: 6rem;
  }

  .service_bg .service_top {
    display: block;
  }

  .service_bg .service_top .left {
    width: 100%;
  }

  .service_bg .service_top .right {
    width: 100%;
    margin-top: 2.5rem;
  }

  .service_bg .service_top .left .tit p {
    font-size: 1.3rem;
    margin-top: 2px;
  }

  .service_bg .service_top .left .text {
    font-size: 1.2rem;
  }

  .service_bg .service_top {
    padding-bottom: 5rem;
  }

  .service_bottom li {
    width: 100%;
    margin-right: 0;
  }

  .service_bottom li img {
    width: 8rem;
  }

  .service_bottom li div {
    font-size: 1.4rem;
    margin-top: 2rem;
  }

  .service_bottom li p {
    font-size: 1.2rem;
  }

  .service_bottom li {
    padding-top: 2.8rem;
    margin-top: 2rem;
  }

  .service_bottom {
    padding-top: 1rem;
  }

  .service_bottom {
    padding-bottom: 7rem;
  }

  .project .ul {
    justify-content: space-between;
  }

  .project .ul a {
    width: 48.8%;
    margin-right: 0;
  }

  .project .project_li div {
    padding-top: 5%;
  }

  .project {
    padding-bottom: 7rem;
  }

  .tdetails_card .tit h1 {
    font-size: 1.6rem;
  }

  .tdetails_card .text,
  .tdetails_card .tit div {
    font-size: 1.2rem;
  }

  .tdetails_bottom {
    display: block;
  }

  .tdetails_bottom div {
    width: 100%;
    margin-top: 1rem;
  }

  .tdetails_bottom div:nth-child(2) {
    flex-direction: row;
  }

  .tdetails_bottom div span {
    margin-right: 0;
    font-size: 1.2rem;
  }

  .tdetails_bottom div:nth-child(2) span {
    text-align: left;
  }

  .tdetails_bottom div a {
    width: 8.5rem;
    line-height: 3rem;
    font-size: 1.2rem;
    background: rgba(230, 0, 19, 1);
  }

  .tdetails_bottom {
    margin-top: 0;
    padding-top: 1.5rem;
  }

  .project_details {
    padding-bottom: 7rem;
  }

  .news .top {
    flex-direction: column-reverse;
  }

  .news .top .right,
  .news .top .left {
    width: 100%;
  }

  .news .top .left span {
    font-size: 1.1rem;
  }

  .news .top .left h3 {
    font-size: 1.3rem;
  }

  .news .top .left div {
    font-size: 1.2rem;
  }

  .news .ul {
    display: block;
  }

  .news .ul a {
    width: 100%;
    padding: 1.3rem 1.5rem;
  }

  .news .ul a h3 {
    font-size: 1.3rem;
  }

  .news .ul a {
    font-size: 1.2rem;
  }

  .ndetails {
    display: block;
  }

  .ndetails .left,
  .ndetails .right {
    width: 100%;
  }

  .ndetails .right {
    margin-top: 5rem;
  }

  .ndetails .right .tit {
    font-size: 2.2rem;
  }

  .ndetails .right .tit p {
    margin-top: 2px;
  }

  .ndetails .right .ul a div {
    width: 5.8rem;
    height: 5.8rem;
  }

  .ndetails .right .ul a div p {
    font-size: 2rem;
  }

  .ndetails .right .ul a div span {
    font-size: 1.1rem;
  }

  .ndetails .right .ul a h3 {
    font-size: 1.2rem;
  }

  .ndetails {
    padding-bottom: 7rem;
  }

  .ndetails .right .ul {
    padding-top: .8rem;
  }

  .contact_top .container {
    display: block;
  }

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

  .contact_top .right {
    width: 100%;
    margin-top: 2rem;
  }

  .contact_bottom .tit div {
    font-size: 2.3rem;
  }

  .contact_bottom .tit p {
    font-size: 1.2rem;
  }

  .contact_bottom .ul li {
    width: 100%;
    margin-top: 1.5rem;
  }

  .contact_bottom .ul li span {
    font-size: 1.4rem;
    line-height: 2.8rem;
  }

  .contact_bottom .ul li div {
    font-size: 1.2rem;
    line-height: 1.8rem;
  }

  .contact_bottom .ul li div a img {
    height: 1.4rem;
  }

  .contact_bottom .ul {
    padding-top: 2rem;
  }

  .contact_bottom {
    padding: 4.5rem 0 7rem 0;
  }

  .about3 .ul {
    justify-content: space-between;
  }

  .about3 .ul li {
    width: 48.8%;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }

  .about3 .ul li div {
    padding-top: 5%;
  }

  .index1 .left div {
    bottom: 9%;
  }



  .nav_two2 div {
    width: 100%;
    display: block;
  }

  .nav_two2 a {
    width: 100%;
  }

  .nav_two2 a {
    border-right: none;
  }

  .banner .banner_text .container .img img {
    max-height: 15rem;
  }

  .index1 .right .next,
  .index1 .right .prev {
    position: relative;
  }

  .index1 .right .ul {
    padding-bottom: 65%;
  }

  .banner .banner_text .container .text .t2 {
    padding-right: 2rem;
  }

  .country {
    margin-left: auto;
  }

  .nav_icon {
    margin-left: 1rem;
  }

  .country {
    height: 2.6rem;
    font-size: 1.1rem;
    border-radius: 1.3rem;
    padding: 0 1rem;
  }

  .country img {
    width: 1.8rem;
    margin-right: .65rem;
  }

  /* #endregion */

  /* #region  */

  /* #endregion */

}

/* #region  */

/* #endregion */