@media only screen and (max-width: 1680px) {
  .intit h3 {
    font-size: 28px;
  }
  .intit p {
    font-size: 22px;
  }
  .banner .txt {
    left: 7.89%;
  }
  .banner .txt .cn {
    font-size: 42px;
  }
  .banner .txt .en {
    font-size: 44px;
  }
  .banner .txt .more span {
    top: 48%;
  }
  .banner .box-img {
    right: 8.415%;
  }
  .main-2 .video {
    width: 640px;
    height: 640px;
  }
  .main-2 .txt {
    width: calc(100% - 640px);
  }
  .main-2 .txt h3 {
    font-size: 40px;
  }
  .main-2 .txt .des {
    font-size: 15px;
  }
  .main-2 .txt .more {
    margin-top: 40px;
  }
  .main-2 .num-item .num-t .num {
    font-size: 44px;
  }
  .main-2 .num-item .num-t i {
    font-size: 28px;
  }
  .main-2 .num-item p {
    font-size: 15px;
  }
  .mask-video .closed {
    right: -12%;
    top: -12%;
  }
  .main-3 .case-swiper {
    margin-bottom: 130px;
  }
  .main-3 .case-swiper p {
    font-size: 18px;
  }
  .main-3 .case-swiper .swiper-pagination-bullet {
    width: 70px;
    height: 70px;
    line-height: 70px;
  }
  .main-3 .case-swiper .swiper-pagination-bullet svg {
    width: 71px;
    height: 71px;
  }
  .main-3 .case-swiper .swiper-pagination-bullet svg circle {
    cx: 35;
    cy: 35;
    r: 34;
  }
  .main-4 {
    margin-bottom: 110px;
  }
  .main-4 .main4-item {
    height: 410px;
  }
  .main-4 .main4-item .txt h3 {
    margin-top: 65px;
  }
  .main-4 .main4-item .hover-info .hover-img {
    margin-bottom: 45px;
  }
  .firm-intro1 .firm-wrapper {
    padding-top: 100px;
    padding-bottom: 90px;
  }
  .firm-intro1 .firm-wrapper h3 {
    font-size: 38px;
  }
  .firm-intro1 .firm-wrapper p {
    font-size: 18px;
  }
  .firm-intro2 {
    margin-top: 70px;
    margin-bottom: 80px;
  }
  .firm-intro2 .txt p {
    font-size: 15px;
  }
  .firm-intro2 .firm-item2 {
    margin-top: 50px;
  }
  .culture {
    height: 620px;
  }
  .culture .culture-item h3 {
    font-size: 28px;
  }
  .culture .culture-item .en {
    font-size: 18px;
  }
  .culture .culture-item .des p {
    font-size: 17px;
  }
  .his-wrapper .btn {
    right: 3.9%;
  }
  .his-wrapper .swiper-button-next,
  .his-wrapper .swiper-button-prev {
    width: 56px;
    height: 56px;
  }
  .his-wrapper .swiper-button-next::after,
  .his-wrapper .swiper-button-prev::after {
    font-size: 22px;
  }
  .history-swiper {
    height: 700px;
  }
  .history-swiper .date {
    font-size: 18px;
    margin-bottom: 15px;
  }
  .history-swiper .info {
    font-size: 15px;
  }
  .honor-t::before {
    top: 10px;
  }
  .year-swiper .cir {
    width: 20px;
    height: 20px;
  }
  .year-swiper .cir::before {
    width: 8px;
    height: 8px;
  }
  .year-swiper .year {
    font-size: 18px;
  }
  .year-swiper .swiper-slide {
    margin-right: 145px;
  }
  .honor-wrapper .swiper-button-next,
  .honor-wrapper .swiper-button-prev {
    width: 60px;
    height: 60px;
  }
  .new-fir {
    margin-bottom: 70px;
  }
  .new-fir .txt .date {
    margin: 15px 0 33px;
  }
  .new-fir .txt .des {
    font-size: 15px;
  }
  .new-fir .txt .more {
    margin-top: 71px;
  }
  .news-item .day {
    font-size: 34px;
  }
  .news-item .mouth,
  .news-item .year {
    font-size: 15px;
  }
  .news-item h3 {
    font-size: 18px;
    margin-top: 20px;
  }
  .news-item .more {
    padding-top: 20px;
    margin-top: 30px;
  }
  .infoList .title {
    font-size: 28px;
  }
  .infoList .info * {
    font-size: 15px;
  }
  .infoList .date,
  .infoList .share-content {
    font-size: 15px;
  }
  .infoList .page {
    margin-top: 60px;
  }
  .infoList .page .chapter {
    font-size: 15px;
  }
  .infoList .page .back {
    width: 160px;
    height: 42px;
    font-size: 15px;
    line-height: 42px;
  }
  .firm-swiper .swiper-slide {
    height: 180px;
  }
  .firm-swiper .swiper-slide p {
    font-size: 18px;
  }
  .firm-swiper .swiper-slide .name {
    margin-top: 20px;
  }
  .firm-wrapper .firm-name {
    font-size: 28px;
    margin-bottom: 70px;
  }
  .firm-wrapper .firm-name::before {
    bottom: -30px;
  }
  .firm-wrapper .firm-name::after {
    bottom: -31px;
  }
  .firm-wrapper .slogan,
  .firm-wrapper .info * {
    font-size: 15px;
  }
  .ad-wrapper {
    padding-bottom: 70px;
  }
  .ad-item,
  .case-item {
    margin-bottom: 40px;
  }
  .ad-item .name,
  .case-item .name {
    height: 70px;
  }
  .ad-item .name p,
  .case-item .name p {
    line-height: 70px;
    font-size: 18px;
  }
  .join-wrapper .tit {
    height: 70px;
  }
  .join-wrapper li .item {
    line-height: 70px;
    font-size: 18px;
  }
  .join-wrapper li .jot-t {
    height: 70px;
  }
  .join-wrapper .job-li .job-info strong {
    font-size: 18px;
  }
  .join-wrapper .job-li .job-info p,
  .join-wrapper .job-li .job-info span {
    font-size: 15px;
  }
  .case-intro .top h3 {
    font-size: 26px;
  }
  .case-intro .top .chapter {
    font-size: 15px;
  }
  .case-intro .bot .item span {
    font-size: 15px;
  }
  .case-intro .bot .intro-t {
    margin-bottom: 60px;
  }
  .case-intro .bot .intro h3 {
    font-size: 22px;
  }
  .case-intro .bot .intro p {
    font-size: 15px;
  }
  .case-intro .more-intro * {
    font-size: 15px;
  }
}
@media only screen and (max-width: 1600px) {
  .banner .txt {
    left: 6.89%;
  }
  .banner .txt .cn {
    font-size: 40px;
  }
  .banner .txt .en {
    font-size: 42px;
  }
  .banner .box-img {
    right: 7.415%;
  }
  .main-2 .video {
    width: 620px;
    height: 620px;
  }
  .main-2 .txt {
    width: calc(100% - 620px);
  }
  .main-2 .txt h3 {
    font-size: 38px;
  }
  .main-2 .txt .more {
    margin-top: 35px;
  }
  .main-2 .num-item .num-t .num {
    font-size: 42px;
  }
  .main-2 .num-item .num-t i {
    font-size: 26px;
  }
  .main-3 .case-swiper {
    margin-bottom: 110px;
  }
  .main-3 .case-swiper .swiper-pagination-bullet {
    width: 67px;
    height: 67px;
    line-height: 67px;
  }
  .main-3 .case-swiper .swiper-pagination-bullet svg {
    width: 68px;
    height: 68px;
  }
  .main-3 .case-swiper .swiper-pagination-bullet svg circle {
    cx: 33;
    cy: 33;
    r: 33;
  }
  .main-4 {
    margin-bottom: 100px;
  }
  .main-4 .main4-item {
    height: 390px;
  }
  .main-4 .main4-item .txt h3 {
    font-size: 18px;
    margin-top: 50px;
    margin-bottom: 15px;
  }
  .main-4 .main4-item h3 {
    font-size: 18px;
  }
  .main-4 .main4-item .hover-info .hover-img {
    margin-bottom: 35px;
  }
  .firm-intro1 .firm-wrapper {
    padding-top: 90px;
    padding-bottom: 80px;
  }
  .firm-intro1 .firm-wrapper h3 {
    font-size: 36px;
    margin-bottom: 20px;
  }
  .firm-intro1 .firm-wrapper p {
    font-size: 16px;
  }
  .firm-intro2 {
    margin-top: 70px;
    margin-bottom: 80px;
  }
  .firm-intro2 .firm-item1 .txt .tit {
    margin-bottom: 62px;
  }
  .firm-intro2 .firm-item1 .txt .tit::after {
    bottom: -30px;
  }
  .firm-intro2 .txt p {
    line-height: 2.2;
  }
  .year-swiper .swiper-slide {
    margin-right: 130px;
  }
  .honor-wrapper .swiper-button-next,
  .honor-wrapper .swiper-button-prev {
    width: 50px;
    height: 50px;
  }
  .firm-wrapper .firm-name {
    font-size: 26px;
  }
}
@media only screen and (max-width: 1440px) {
  .intit h3 {
    font-size: 26px;
  }
  .intit p {
    font-size: 20px;
  }
  .banner .txt {
    left: 3%;
  }
  .banner .txt .cn {
    font-size: 36px;
  }
  .banner .txt .en {
    font-size: 34px;
  }
  .banner .txt .more {
    width: 120px;
  }
  .banner .box-img {
    right: 3%;
  }
  .main-1 .main1-item {
    padding: 20px 1.72% 34px 2.2%;
  }
  .main-1 .main1-item h3 {
    font-size: 18px;
    margin-bottom: 10px;
  }
  .main-1 .main1-item .en {
    font-size: 16px;
  }
  .main-1 .main1-item .main-t {
    font-size: 22px;
  }
  .main-1 .main1-item p {
    margin-top: 35px;
  }
  .main-2 .video {
    width: 580px;
    height: 580px;
  }
  .main-2 .txt {
    width: calc(100% - 580px);
  }
  .main-2 .txt h3 {
    font-size: 36px;
    margin-bottom: 25px;
  }
  .main-2 .nums {
    margin-top: 50px;
  }
  .main-2 .num-item .num-t .num {
    font-size: 38px;
  }
  .mask-video .closed {
    right: -10%;
    top: -10%;
  }
  .main-3 .case-swiper {
    margin-bottom: 100px;
  }
  .main-3 .case-swiper .img {
    border-radius: 8px;
  }
  .main-3 .case-swiper p {
    font-size: 17px;
  }
  .main-3 .case-swiper .swiper-button-next:after,
  .main-3 .case-swiper .swiper-button-prev:after {
    font-size: 40px;
  }
  .main-3 .case-swiper .swiper-pagination-bullet {
    width: 65px;
    height: 65px;
    line-height: 65px;
  }
  .main-3 .case-swiper .swiper-pagination-bullet svg {
    width: 65px;
    height: 65px;
  }
  .main-3 .case-swiper .swiper-pagination-bullet svg circle {
    cx: 32;
    cy: 32;
    r: 32;
  }
  .firm-intro1 .firm-wrapper h3 {
    font-size: 30px;
    margin-bottom: 15px;
  }
  .culture {
    height: 600px;
  }
  .culture .culture-item h3 {
    font-size: 26px;
  }
  .culture .culture-item .en {
    font-size: 16px;
  }
  .culture .culture-item .des p {
    font-size: 16px;
  }
  .culture .culture-item .cul-info {
    top: 110px;
  }
  .his-wrapper .btn {
    right: 1%;
  }
  .his-wrapper .swiper-button-next,
  .his-wrapper .swiper-button-prev {
    width: 50px;
    height: 50px;
  }
  .his-wrapper .swiper-button-next::after,
  .his-wrapper .swiper-button-prev::after {
    font-size: 22px;
  }
  .honor-t::before {
    top: 10px;
  }
  .year-swiper .swiper-slide {
    margin-right: 115px;
  }
  .honor-wrapper .swiper-button-next,
  .honor-wrapper .swiper-button-prev {
    width: 50px;
    height: 50px;
  }
  .honor-wrapper .swiper-button-next::after,
  .honor-wrapper .swiper-button-prev::after {
    font-size: 24px;
  }
  .news {
    margin-top: 60px;
  }
  .new-fir {
    margin-bottom: 60px;
  }
  .new-fir .txt h3 {
    font-size: 20px;
  }
  .new-fir .txt .date {
    margin: 10px 0 23px;
  }
  .new-fir .txt .des {
    font-size: 15px;
  }
  .new-fir .txt .more {
    margin-top: 51px;
  }
  .news-item {
    margin-bottom: 50px;
  }
  .news-item .day {
    font-size: 32px;
  }
  .news-item .mouth,
  .news-item .year {
    font-size: 14px;
  }
  .news-item h3 {
    font-size: 17px;
    margin-top: 15px;
  }
  .news-item .more {
    padding-top: 15px;
    margin-top: 20px;
    font-size: 14px;
  }
  .infoList .title {
    font-size: 26px;
  }
  .infoList .top {
    margin-bottom: 40px;
    padding-bottom: 30px;
  }
  .infoList .page {
    margin-top: 50px;
  }
  .firm-swiper .swiper-slide {
    height: 160px;
  }
  .firm-swiper .swiper-slide .name {
    margin-top: 15px;
  }
  .firm-wrapper .firm-name {
    font-size: 24px;
    margin-bottom: 60px;
  }
  .firm-wrapper .firm-name::before {
    bottom: -24px;
  }
  .firm-wrapper .firm-name::after {
    bottom: -25px;
  }
  .firm-wrapper .slogan,
  .firm-wrapper .info * {
    font-size: 14px;
  }
  .knowledge-swiper .swiper-slide p {
    font-size: 14px;
  }
  .case .case-item .hover-txt * {
    font-size: 14px;
  }
  .case .case-item .hover-txt .item:not(:last-of-type) {
    margin-bottom: 15px;
  }
  .join-wrapper .tit {
    height: 66px;
  }
  .join-wrapper li .item {
    line-height: 66px;
    font-size: 16px;
  }
  .join-wrapper li .jot-t {
    height: 66px;
  }
  .join-wrapper .job-li .job-info strong {
    font-size: 16px;
  }
  .join-wrapper .job-li .job-info p,
  .join-wrapper .job-li .job-info span {
    font-size: 14px;
  }
  .case-intro .top {
    margin-bottom: 40px;
    padding-bottom: 15px;
  }
  .case-intro .top h3 {
    font-size: 24px;
  }
  .case-intro .top .chapter:not(:last-of-type) {
    margin-right: 20px;
  }
  .case-intro .bot .item p {
    margin-top: 10px;
  }
  .case-intro .bot .intro-t {
    margin-bottom: 50px;
  }
  .case-intro .bot .intro h3 {
    margin-bottom: 15px;
  }
}
@media only screen and (max-width: 1280px) {
  .intit h3 {
    font-size: 24px;
  }
  .intit p {
    font-size: 18px;
  }
  .banner .txt {
    left: 3%;
  }
  .banner .txt .cn {
    font-size: 32px;
    margin: 10px 0 37px;
  }
  .banner .txt .en {
    font-size: 32px;
  }
  .banner .box-img .bot {
    width: 650px;
    height: 389px;
  }
  .banner .box-img .jz1 {
    width: 386px;
    height: 320px;
  }
  .banner .box-img .jz2 {
    width: 211px;
    height: 137px;
  }
  .banner .box-img .jz3 {
    width: 298px;
    height: 177px;
  }
  .main-1 .main1-item h3 {
    margin-bottom: 5px;
  }
  .main-1 .main1-item .main-t {
    font-size: 22px;
  }
  .main-1 .main1-item .main-t i {
    font-size: 22px;
  }
  .main-1 .main1-item p {
    margin-top: 30px;
  }
  .main-2 .video {
    width: 550px;
    height: 550px;
  }
  .main-2 .txt {
    width: calc(100% - 550px);
    padding-left: 5.5%;
    padding-right: 4.32%;
  }
  .main-2 .txt h3 {
    font-size: 34px;
    margin-bottom: 20px;
  }
  .main-2 .txt .des {
    font-size: 14px;
  }
  .main-2 .txt .more {
    margin-top: 25px;
  }
  .main-2 .nums {
    margin-top: 40px;
  }
  .main-2 .num-item .num-t .num {
    font-size: 36px;
  }
  .main-2 .num-item p {
    font-size: 14px;
  }
  .main-3 .case-swiper {
    margin-bottom: 80px;
  }
  .main-3 .case-swiper p {
    font-size: 16px;
  }
  .main-4 {
    margin-bottom: 80px;
  }
  .main-4 .main4-item {
    width: 23.11%;
  }
  .firm-intro1 .firm-wrapper h3 {
    font-size: 26px;
  }
  .firm-intro1 .firm-wrapper p {
    width: 60%;
    font-size: 15px;
  }
  .firm-intro2 .firm-item2 {
    margin-top: 40px;
  }
  .culture {
    height: 560px;
  }
  .culture .culture-item h3 {
    margin-bottom: 8px;
  }
  .culture .culture-item .des p {
    font-size: 15px;
  }
  .culture .culture-item .en {
    margin-bottom: 15px;
  }
  .culture .culture-item .cul-info {
    top: 80px;
  }
  .year-swiper .swiper-slide {
    margin-right: 100px;
  }
  .new-fir {
    margin-bottom: 40px;
  }
  .new-fir .txt h3 {
    font-size: 18px;
  }
  .new-fir .txt .date {
    margin: 10px 0 20px;
    font-size: 14px;
  }
  .new-fir .txt .des {
    font-size: 14px;
  }
  .new-fir .txt .more {
    margin-top: 40px;
    width: 130px;
    height: 36px;
    line-height: 36px;
    font-size: 14px;
  }
  .news-item .day {
    font-size: 30px;
  }
  .news-item h3 {
    font-size: 16px;
    margin-top: 15px;
  }
  .news-item .more {
    padding-top: 10px;
    margin-top: 15px;
  }
  .infoList .title {
    font-size: 22px;
  }
  .infoList .top {
    margin-bottom: 30px;
    padding-bottom: 20px;
  }
  .infoList .page {
    margin-top: 50px;
  }
  .infoList .info * {
    font-size: 14px;
  }
  .infoList .date,
  .infoList .share-content {
    font-size: 14px;
  }
  .infoList .page .chapter,
  .infoList .page .back {
    font-size: 14px;
  }
  .firm-wrapper .firm-name {
    font-size: 22px;
  }
  .ad-wrapper {
    padding-bottom: 60px;
  }
  .ad-item,
  .case-item {
    margin-bottom: 30px;
  }
  .ad-item .name,
  .case-item .name {
    height: 60px;
  }
  .ad-item .name p,
  .case-item .name p {
    line-height: 60px;
    font-size: 16px;
  }
  .case-intro .top h3 {
    font-size: 22px;
  }
  .case-intro .top .chapter {
    font-size: 14px;
  }
  .case-intro .bot .item p {
    margin-top: 5px;
  }
  .case-intro .bot .intro-t {
    margin-bottom: 40px;
  }
  .case-intro .bot .intro h3 {
    font-size: 20px;
  }
  .case-intro .bot .intro p {
    font-size: 14px;
  }
  .case-intro .more-intro * {
    font-size: 14px;
  }
}
@media only screen and (max-width: 1100px) {
  .main-2 {
    -webkit-flex-direction: column;
    -moz-flex-direction: column;
    -ms-flex-direction: column;
    -o-flex-direction: column;
    flex-direction: column;
  }
  .main-2 .video {
    width: 100%;
    height: 400px;
    border: 0;
    margin-bottom: 20px;
  }
  .main-2 .video .cir1,
  .main-2 .video .cir2 {
    display: none;
  }
  .main-2 .video .cir3 {
    width: 100%;
    height: 100%;
  }
  .main-2 .video .cir3 .play-btn {
    right: 50%;
    bottom: 50%;
    transform: translate(50%, 50%);
    background: rgba(16, 141, 187, 0.7);
  }
  .main-2 .video .img {
    border-radius: 0;
  }
  .main-2 .txt {
    width: 100%;
    padding-right: 0;
    padding-left: 0;
  }
}
@media only screen and (max-width: 1024px) {
  .banner .txt .en,
  .banner .txt .cn {
    font-size: 28px;
  }
  .banner .box-img .bot {
    width: 600px;
    height: 359px;
  }
  .banner .box-img .jz1 {
    width: 386px;
    height: 320px;
  }
  .banner .box-img .jz2 {
    width: 204px;
    height: 133px;
  }
  .banner .box-img .jz3 {
    width: 257px;
    height: 153px;
  }
  .main-1 {
    -webkit-flex-wrap: wrap;
    -moz-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    -o-flex-wrap: wrap;
    flex-wrap: wrap;
  }
  .main-1 .main1-item {
    width: 49%;
    margin-right: 2%;
    margin-bottom: 20px;
  }
  .main-1 .main1-item:nth-of-type(2n) {
    margin-right: 0;
  }
  .mask-video .mvbot {
    width: 65vw;
  }
  .mask-video .closed i {
    font-size: 30px;
  }
  .main-3 .case-t li:not(:last-of-type) {
    margin-right: 30px;
  }
  .main-4 .main4-items {
    flex-wrap: wrap;
  }
  .main-4 .main4-item {
    width: 49%;
    height: 280px;
    margin-right: 2%;
    margin-bottom: 20px;
  }
  .main-4 .main4-item:nth-of-type(2n) {
    margin-right: 0;
  }
  .main-4 .main4-item h3 {
    font-size: 16px;
  }
  .main-4 .main4-item .en {
    font-size: 12px;
  }
  .main-4 .main4-item .main4-box {
    -webkit-flex-wrap: wrap;
    -moz-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    -o-flex-wrap: wrap;
    flex-wrap: wrap;
  }
  .main-4 .main4-item .main4-box::before {
    width: 0;
    height: 0;
    display: none;
  }
  .main-4 .main4-item .txt h3 {
    margin-top: 20px;
  }
  .main-4 .main4-item .hover-info {
    width: 100%;
    height: 100%;
  }
  .main-4 .main4-item .hover-info .hover-img {
    margin-bottom: 10px;
  }
  .main-4 .main4-item .hover-info .hover-img img {
    max-width: 124px;
  }
  .main-4 .main4-item .hover-info .hover-txt .en {
    margin-bottom: 15px;
  }
  .main-4 .main4-item .hover-info .hover-txt .cn {
    line-height: 1.8;
  }
  .main-4 .main4-item:hover {
    background-color: #108DBB;
  }
  .main-4 .main4-item:hover .main4-box::before {
    width: 100%;
    height: 100%;
  }
  .main-4 .brand2 .img img {
    width: 123px;
  }
  .firm-intro1 .firm-wrapper {
    padding-top: 70px;
    padding-bottom: 60px;
  }
  .firm-intro1 .firm-wrapper h3 {
    font-size: 24px;
  }
  .firm-intro1 .firm-wrapper p {
    width: 100%;
    font-size: 15px;
  }
  .firm-intro2 .firm-item {
    -webkit-flex-direction: column;
    -moz-flex-direction: column;
    -ms-flex-direction: column;
    -o-flex-direction: column;
    flex-direction: column;
  }
  .firm-intro2 .firm-item .img {
    width: 100%;
  }
  .firm-intro2 .firm-item .txt {
    width: 100%;
  }
  .firm-intro2 .txt .tit img {
    width: auto;
  }
  .firm-intro2 .firm-item1 .txt .tit {
    margin-bottom: 40px;
  }
  .firm-intro2 .firm-item1 .txt .tit::after {
    bottom: -20px;
    width: 100%;
  }
  .firm-intro2 .firm-item1 .img {
    margin-bottom: 20px;
  }
  .firm-intro2 .firm-item2 {
    margin-top: 40px;
  }
  .firm-intro2 .firm-item2 .img {
    margin-top: 20px;
  }
  .culture {
    height: auto;
    background: url(../image/culture.jpg) no-repeat bottom;
    background-size: cover;
    background-attachment: fixed;
  }
  .culture .main-center {
    -webkit-flex-direction: column;
    -moz-flex-direction: column;
    -ms-flex-direction: column;
    -o-flex-direction: column;
    flex-direction: column;
  }
  .culture .culture-item {
    border-right: 0;
    padding: 20px 0;
  }
  .culture .culture-item:first-of-type {
    border-left: 0;
  }
  .culture .culture-item:not(:last-of-type) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  }
  .culture .culture-item .cul-info {
    position: relative;
    top: 0;
    left: 0;
    transform: translateY(0);
  }
  .culture .culture-item h3 {
    font-size: 24px;
  }
  .culture .culture-item .en {
    font-size: 14px;
  }
  .culture .culture-item .des {
    display: block;
  }
  .culture .culture-item .des p {
    font-size: 14px;
  }
  .culture .culture-item.cur {
    flex: 1;
  }
  .culture .culture-item.cur .cul-info {
    left: 0;
  }
  .his-wrapper .btn {
    right: -3%;
  }
  .his-wrapper .swiper-button-next,
  .his-wrapper .swiper-button-prev {
    width: 42px;
    height: 42px;
  }
  .his-wrapper .swiper-button-next::after,
  .his-wrapper .swiper-button-prev::after {
    font-size: 18px;
  }
  .history-swiper .date {
    font-size: 16px;
    margin-bottom: 10px;
  }
  .history-swiper .info {
    font-size: 14px;
  }
  .year-swiper .swiper-slide {
    margin-right: 80px;
  }
  .news-item {
    width: 49%;
    margin-right: 2%;
    margin-bottom: 40px;
  }
  .news-item:nth-of-type(3n) {
    margin-right: 2%;
  }
  .news-item:nth-of-type(2n) {
    margin-right: 0;
  }
  .infoList .title {
    font-size: 20px;
  }
  .infoList .page .chapter {
    width: 70%;
  }
  .firm-swiper .swiper-slide p {
    font-size: 16px;
  }
  .ad-wrapper {
    padding-bottom: 50px;
  }
  .ad-item,
  .case-item {
    width: 49%;
    margin-right: 2%;
  }
  .ad-item:nth-of-type(3n),
  .case-item:nth-of-type(3n) {
    margin-right: 2%;
  }
  .ad-item:nth-of-type(2n),
  .case-item:nth-of-type(2n) {
    margin-right: 0;
  }
  .caseInfo {
    padding-top: 50px;
  }
  .case-intro .bot {
    -webkit-flex-direction: column;
    -moz-flex-direction: column;
    -ms-flex-direction: column;
    -o-flex-direction: column;
    flex-direction: column;
  }
  .case-intro .bot .intro-l {
    width: 100%;
    margin-right: 0;
  }
  .case-intro .bot .img {
    width: 100%;
    margin-top: 20px;
  }
}
@media only screen and (max-width: 768px) {
  .banner {
    height: 550px;
  }
  .banner .txt {
    top: 40%;
  }
  .banner .txt .en,
  .banner .txt .cn {
    font-size: 24px;
  }
  .banner .txt .more {
    width: 110px;
  }
  .banner .box-img .bot {
    width: 500px;
    height: 299px;
  }
  .banner .box-img .jz1 {
    width: 315px;
    height: 261px;
  }
  .banner .box-img .jz2 {
    width: 157px;
    height: 102px;
  }
  .banner .box-img .jz3 {
    width: 219px;
    height: 131px;
  }
  .new-fir .txt .date {
    margin: 8px 0 15px;
  }
  .new-fir .txt .more {
    margin-top: 20px;
    height: 36px;
    line-height: 36px;
  }
  .firm-swiper .swiper-slide {
    width: 200px;
  }
  .firm-wrapper {
    -webkit-flex-direction: column;
    -moz-flex-direction: column;
    -ms-flex-direction: column;
    -o-flex-direction: column;
    flex-direction: column;
  }
  .firm-wrapper .firm-name {
    font-size: 20px;
  }
  .firm-wrapper .txt {
    width: 100%;
  }
  .firm-wrapper .img {
    width: 100%;
    margin-left: 0;
    margin-top: 20px;
  }
}
@media only screen and (max-width: 680px) {
  .banner .txt .cn,
  .banner .txt .en {
    font-size: 22px;
  }
}
@media only screen and (max-width: 640px) {
  .intit h3 {
    font-size: 22px;
  }
  .intit p {
    font-size: 16px;
  }
  .banner {
    height: 500px;
  }
  .banner .txt .cn {
    margin: 10px 0 25px;
  }
  .banner .box-img .bot {
    width: 450px;
    height: 270px;
  }
  .banner .box-img .jz1 {
    width: 280px;
    height: 232px;
  }
  .banner .box-img .jz1 .theme1 {
    left: 35%;
    top: 38%;
    width: 19.5%;
  }
  .banner .box-img .jz1:hover .theme1 {
    top: 37%;
  }
  .banner .box-img .jz2 {
    width: 145px;
    height: 94px;
  }
  .banner .box-img .jz2 .theme2 {
    top: -65%;
    left: 27%;
    width: 39.54%;
  }
  .banner .box-img .jz2:hover .theme2 {
    top: -69%;
  }
  .banner .box-img .jz3 {
    width: 203px;
    height: 121px;
  }
  .banner .box-img .jz3 .theme3 {
    right: 83%;
    top: -12%;
    width: 29.67%;
  }
  .banner .box-img .jz3:hover .theme3 {
    top: -14%;
  }
  .main-1 {
    margin-bottom: 40px;
  }
  .main-1 .main1-item {
    padding: 15px 1.72% 25px 2.2%;
  }
  .main-1 .main1-item .en {
    font-size: 14px;
  }
  .main-1 .main1-item .main-t i {
    font-size: 20px;
  }
  .main-1 .main1-item p {
    margin-top: 20px;
  }
  .main-2 .video {
    height: 300px;
  }
  .main-2 .txt h3 {
    font-size: 28px;
    margin-bottom: 15px;
  }
  .main-2 .num-item .num-t .num {
    font-size: 32px;
  }
  .main-2 .num-item .num-t i {
    font-size: 22px;
  }
  .main-2 .nums::before {
    left: 30%;
  }
  .main-2 .nums::after {
    right: 33%;
  }
  .main-3 .case-t {
    -webkit-flex-direction: column;
    -moz-flex-direction: column;
    -ms-flex-direction: column;
    -o-flex-direction: column;
    flex-direction: column;
    -webkit-align-items: flex-start;
    -moz-align-items: flex-start;
    -ms-align-items: flex-start;
    -o-align-items: flex-start;
    align-items: flex-start;
  }
  .main-3 .case-t .intit {
    margin-bottom: 20px;
  }
  .main-3 .case-t li.active {
    font-weight: normal;
  }
  .main-3 .case-swiper {
    padding-bottom: 100px;
    margin-bottom: 60px;
  }
  .main-3 .case-swiper .img .icon {
    width: 40px;
    height: 40px;
  }
  .main-3 .case-swiper .swiper-pagination {
    margin: 0 20px;
  }
  .main-3 .case-swiper .swiper-pagination-bullet {
    width: 40px;
    height: 40px;
    line-height: 40px;
    font-size: 14px;
  }
  .main-3 .case-swiper .swiper-pagination-bullet:not(:last-of-type) {
    margin-right: 5px;
  }
  .main-3 .case-swiper .swiper-pagination-bullet svg {
    width: 40px;
    height: 40px;
  }
  .main-3 .case-swiper .swiper-pagination-bullet svg circle {
    cx: 19;
    cy: 19;
    r: 19;
  }
  .main-3 .case-swiper .swiper-button-next::after,
  .main-3 .case-swiper .swiper-button-prev::after {
    font-size: 26px;
  }
  .main-4 {
    margin-bottom: 60px;
  }
  .main-4 .main4-item {
    background-color: #108DBB;
  }
  .main-4 .main4-item .main4-box::before {
    opacity: 1;
    visibility: visible;
  }
  .main-4 .main4-item .info {
    display: none;
  }
  .main-4 .main4-item .hover-info {
    top: 50%;
    opacity: 1;
    visibility: visible;
  }
  .main-4 .main4-item .hover-info .hover-txt h3 {
    font-size: 14px;
  }
  .main-4 .main4-item .hover-info .hover-txt * {
    font-size: 12px;
  }
  .main-4 .brand2 .hover-img img {
    width: 123px;
  }
  .main-4 .brand4 .more {
    color: #fff;
  }
  .firm-intro1 .firm-wrapper {
    padding-top: 60px;
  }
  .firm-intro1 .firm-wrapper h3 {
    font-size: 20px;
  }
  .firm-intro1 .firm-wrapper p {
    font-size: 14px;
  }
  .firm-intro2 {
    margin-top: 60px;
    margin-bottom: 60px;
  }
  .firm-intro2 .txt p {
    font-size: 14px;
  }
  .firm-intro2 .firm-item2 {
    margin-top: 20px;
  }
  .culture .culture-item h3 {
    font-size: 20px;
  }
  .his-wrapper::before {
    left: 6px;
  }
  .his-wrapper::after {
    left: 6px;
  }
  .his-wrapper .btn {
    right: 0;
    top: 0;
    bottom: auto;
  }
  .his-wrapper .swiper-button-prev {
    margin-bottom: 20px;
  }
  .his-wrapper .swiper-button-next,
  .his-wrapper .swiper-button-prev {
    width: 42px;
    height: 42px;
  }
  .his-wrapper .swiper-button-next::after,
  .his-wrapper .swiper-button-prev::after {
    font-size: 18px;
  }
  .history-swiper .des {
    width: 100%;
  }
  .history-swiper .des::after {
    display: none;
  }
  .history-swiper .swiper-slide .des::before {
    width: 15px !important;
    height: 15px !important;
  }
  .history-swiper .swiper-slide:nth-of-type(odd) * {
    text-align: left;
  }
  .history-swiper .swiper-slide:nth-of-type(odd) .des {
    padding-left: 6.17%;
    margin-left: auto;
  }
  .history-swiper .swiper-slide:nth-of-type(odd) .des::before {
    left: 0;
    right: auto;
  }
  .history-swiper .swiper-slide:nth-of-type(even) .des {
    padding-left: 6.17%;
  }
  .history-swiper .swiper-slide:nth-of-type(even) .des::before {
    left: 0 !important;
  }
  .history-swiper .date {
    font-size: 16px;
    margin-bottom: 10px;
  }
  .history-swiper .info {
    font-size: 14px;
  }
  .year-swiper .swiper-slide {
    margin-right: 40px;
  }
  .year-swiper .cir {
    width: 16px;
    height: 16px;
  }
  .year-swiper .cir::before {
    width: 6px;
    height: 6px;
  }
  .year-swiper .year {
    font-size: 16px;
  }
  .honor-t::before {
    top: 8px;
  }
  .honor-swiper p {
    font-size: 14px;
    margin-top: 10px;
  }
  .honor-wrapper {
    margin-bottom: 90px;
  }
  .honor-wrapper .swiper-button-next,
  .honor-wrapper .swiper-button-prev {
    width: 46px;
    height: 46px;
    top: auto;
    bottom: -60px;
  }
  .honor-wrapper .swiper-button-next::after,
  .honor-wrapper .swiper-button-prev::after {
    font-size: 22px;
  }
  .honor-wrapper .swiper-button-prev {
    left: 30%;
  }
  .honor-wrapper .swiper-button-next {
    left: 55%;
  }
  .new-fir {
    -webkit-flex-direction: column;
    -moz-flex-direction: column;
    -ms-flex-direction: column;
    -o-flex-direction: column;
    flex-direction: column;
    margin-bottom: 30px;
  }
  .new-fir .img {
    width: 100%;
  }
  .new-fir .txt {
    width: 100%;
    margin-left: 0;
    margin-top: 20px;
  }
  .news-item {
    width: 100%;
    margin-right: 0;
    margin-bottom: 30px;
  }
  .infoList .title {
    font-size: 18px;
  }
  .infoList .page {
    margin-top: 30px;
  }
  .infoList .page .chapter {
    width: 70%;
  }
  .infoList .page .prev {
    margin-bottom: 10px;
  }
  .infoList .page .back {
    width: 120px;
    height: 40px;
    line-height: 40px;
  }
  .firm-swiper .swiper-slide {
    width: 180px;
    height: 140px;
  }
  .firm-swiper .swiper-slide .icon {
    position: relative;
    height: 50px;
    width: 100%;
  }
  .firm-swiper .swiper-slide .icon img {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    max-height: 50px;
    max-width: 80%;
  }
  .firm-swiper .swiper-slide .name {
    margin-top: 10px;
  }
  .firm-wrapper .firm-name {
    font-size: 18px;
    margin-bottom: 30px;
  }
  .firm-wrapper .firm-name::before {
    bottom: -14px;
  }
  .firm-wrapper .firm-name::after {
    bottom: -15px;
  }
  .style-swiper .swiper-slide .team-item {
    width: 100%;
    margin-bottom: 10px;
  }
  .join-wrapper .tit {
    height: 50px;
  }
  .join-wrapper li .item {
    font-size: 14px;
    line-height: 50px;
  }
  .join-wrapper li .item:nth-child(3),
  .join-wrapper li .item:nth-child(4) {
    display: none;
  }
  .join-wrapper li .item:nth-child(1) {
    flex: 2;
  }
  .join-wrapper li .item i {
    width: 26px;
    height: 26px;
    font-size: 14px;
  }
  .join-wrapper li .jot-t {
    height: 50px;
  }
  .join-wrapper .job-li .job-info strong {
    font-size: 14px;
  }
  .case-intro .top {
    -webkit-flex-direction: column-reverse;
    -moz-flex-direction: column-reverse;
    -ms-flex-direction: column-reverse;
    -o-flex-direction: column-reverse;
    flex-direction: column-reverse;
    margin-bottom: 25px;
    padding-bottom: 0;
    border-bottom: 0;
  }
  .case-intro .top .page {
    padding-bottom: 20px;
    text-align: right;
    border-bottom: 1px solid #E8E8E8;
    margin-bottom: 20px;
  }
  .case-intro .top h3 {
    font-size: 20px;
  }
  .case-intro .bot .intro-t {
    -webkit-justify-content: space-between;
    -moz-justify-content: space-between;
    -ms-justify-content: space-between;
    -o-justify-content: space-between;
    justify-content: space-between;
  }
  .case-intro .bot .item:not(:last-of-type) {
    margin-right: 0;
  }
  .case-intro .bot .intro h3 {
    font-size: 18px;
  }
}
@media only screen and (max-width: 580px) {
  .banner .txt .cn,
  .banner .txt .en {
    font-size: 20px;
  }
}
@media only screen and (max-width: 440px) {
  .banner {
    height: 400px;
  }
  .banner .txt {
    top: 37%;
  }
  .banner .txt .cn,
  .banner .txt .en {
    font-size: 18px;
  }
  .banner .txt .cn {
    margin: 10px 0 25px;
  }
  .banner .txt .more {
    width: 100px;
    height: 30px;
    font-size: 12px;
    line-height: 30px;
  }
  .banner .box-img {
    bottom: 8px;
  }
  .banner .box-img .bot {
    width: 300px;
    height: 180px;
  }
  .banner .box-img .jz1 {
    width: 190px;
    height: 158px;
  }
  .banner .box-img .jz2 {
    width: 95px;
    height: 62px;
  }
  .banner .box-img .jz3 {
    width: 123px;
    height: 73px;
  }
  .main-1 .main1-item {
    width: 100%;
    margin-right: 0;
    margin-bottom: 10px;
  }
  .main-2 .video {
    height: 250px;
  }
  .main-2 .video .cir3 .play-btn {
    width: 66px;
    height: 66px;
  }
  .main-2 .video .cir3 .play-btn p {
    font-size: 12px;
    margin-top: 2px;
  }
  .main-2 .txt h3 {
    font-size: 22px;
    margin-bottom: 10px;
  }
  .main-2 .txt .more {
    margin-top: 20px;
  }
  .main-2 .num-item .num-t {
    font-size: 14px;
  }
  .main-2 .num-item .num-t .num {
    font-size: 26px;
  }
  .main-2 .num-item .num-t i {
    font-size: 20px;
  }
  .main-2 .num-item p {
    margin-top: 5px;
  }
  .main-2 .nums::before {
    left: 27%;
  }
  .main-2 .nums::after {
    right: 36%;
  }
  .mask-video .mask-video .mvbot {
    width: 75vw;
  }
  .mask-video .closed {
    right: -14%;
    top: -14%;
  }
  .mask-video .closed i {
    font-size: 22px;
  }
  .main-4 .main4-item {
    width: 100%;
    height: 250px;
    margin-right: 0;
    margin-bottom: 15px;
    border-radius: 10px;
    border: 0;
  }
  .main-4 .main4-item:last-child {
    display: none;
  }
  .main-4 .main4-item .main4-box::before {
    border-radius: 10px;
  }
  .main-4 .main4-item .img {
    height: 50px;
  }
  .main-4 .main4-item .txt h3 {
    margin-top: 5px;
    margin-bottom: 10px;
  }
  .main-4 .main4-item .hover-info .hover-txt h3 {
    font-size: 16px;
  }
  .main-4 .main4-item .hover-info .hover-txt .cn {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
  }
  .firm-intro1 .firm-wrapper h3 {
    font-size: 18px;
  }
  .firm-intro2 .txt .tit img {
    width: 45%;
  }
  .culture {
    position: relative;
  }
  .culture::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.2);
  }
  .culture .culture-item h3 {
    font-size: 18px;
    margin-bottom: 5px;
  }
  .honor-wrapper .swiper-button-next,
  .honor-wrapper .swiper-button-prev {
    width: 42px;
    height: 42px;
  }
  .new-fir .txt h3 {
    font-size: 16px;
  }
  .new-fir .txt .date {
    margin: 5px 0 10px;
  }
  .new-fir .txt .more {
    width: 110px;
  }
  .infoList .title {
    font-size: 16px;
  }
  .infoList .page .chapter {
    width: 100%;
  }
  .infoList .page .back {
    position: relative;
    margin-top: 10px;
  }
  .ad-wrapper {
    padding-bottom: 30px;
  }
  .ad-item,
  .case-item {
    width: 100%;
    margin-right: 0;
    margin-bottom: 20px;
  }
  .ad-item:nth-of-type(3n),
  .case-item:nth-of-type(3n) {
    margin-right: 0;
  }
}
@media only screen and (max-width: 360px) {
  .main-2 .nums::before {
    left: 28%;
  }
  .main-2 .nums::after {
    right: 38%;
  }
}
@media only screen and (max-width: 320px) {
  .main-2 .nums::before {
    left: 29%;
  }
  .main-2 .nums::after {
    right: 39%;
  }
}