.i-cases .box .lf .li .tab .sli-box .img{
  display: none;
}
@media (max-width: 1680px) {
  .join .cent-box .li {
    padding: 2.8rem 5%;
  }

  .about .develop .swiper-box .swiper-button-prev {
    left: 2.5%;
  }

  .about .develop .swiper-box .swiper-button-next {
    right: 2.5%;
  }

  .about .develop .swiper-box .develop-swiper {
    width: 84%;
  }
}
@media (max-width: 1500px) {
  .i-video.next .bg-img2 .pos-text{
    width: 57%;
  }
  .i-video .bg-img2 .pos-text .text{
    width: 54%;
    text-align: justify;
  }
}
@media (max-width: 1440px) {
  #index-container .swiper-pagination .swiper-pagination-bullet {
    margin-right: .6rem;
  }

  #index-container .swiper-pagination .swiper-pagination-bullet-active {
    margin-right: 3.3rem;
  }

  .i-advantage .box .pic .li-box .li .text {
    max-height: 6.4em;
  }

  .business .top-bar .wrap {
    padding: 2rem 5% 0;
  }

  .banner .banner-img .banner-intro .line {
    height: 7.5rem;
  }

  .technology .history .history-swiper .swiper-slide {
    width: 25%;
  }

  .i-busin .cont .li .intro {
    padding: 3rem;
  }
}

@media (max-width: 1200px) {
  .i-busin .cont .li {
    height: 60vh;
  }

  .i-video .bg-img,
  .i-video .bg-img2 .mc-bg,
  .i-busin .logo-icon,
  .i-busin .bg-box {
    display: none;
  }

  .i-video {
    height: auto;
    padding: 2.5rem 5% 0;
  }

  .i-video .bg-img2 {
    top: 0;
    clip-path: circle(100% at 50% 50%);
  }

  .i-video .bg-img2 .pic-box {
    position: relative;
    margin-top: 2.5rem;
  }

  .i-video .bg-img2 .pos-text {
    top: 0;
    left: 0;
    width: 100%;
    opacity: 1;
  }

  .i-video .bg-img2 .pos-text .tit,
  .i-video .bg-img2 .pos-text .cont {
    color: #333;
  }

  .i-video .bg-img2 .pos-text .text {
    color: #666;
    opacity: 1;
  }

  .i-video .bg-img2 .pos-text .more {
    opacity: 1;
  }

  .i-video .bg-img2 .pic-box .play {
    opacity: 1;
    top: 0;
    left: 0;
  }

  .i-energy .li {
    opacity: 1;
    transform: translateY(0);
  }

  .wel-box {
    margin-top: 1.5rem;
    height: auto;
  }

  .i-energy {
    position: relative;
    bottom: 0;
  }

  .i-busin {
    position: relative;
    bottom: 0;
  }

  .i-busin .tit {
    opacity: 1;
    transform: scale(1);
    color: #333;
  }

  .i-busin .cont {
    opacity: 1;
    margin-top: 1.8rem;
    pointer-events: initial;
  }

  .i-busin .cont .li2 {
    width: 50%;
    transform: translateY(0);
  }

  .i-busin .cont .li {
    width: 50%;
    pointer-events: initial;
  }

  .i-advantage .box .pic .li-box .li {
    height: 8rem;
  }
}

@media (max-width: 1024px) {
  .business .top-bar {
    padding: 2.5rem 0;
    overflow: hidden;
  }

  .business .top-bar .wrap {
    position: relative;
    top: 0;
    left: 0;
  }

  .business .top-bar>img {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    object-fit: cover;
    object-position: 62%;
  }

  .business .cent-box .li .intro {
    padding: 1rem;
  }

  .footer .top .lf .tel {
    margin-right: 1.5rem;
  }

  .footer .top .lf .foot-nav .li-box .li {
    margin-right: 1rem;
  }

  .search-dialog {
    height: 2rem;
  }

  .head-box {
    height: 2rem;
  }

  .head .pc-head {
    height: 2rem;
    width: 100%;
    padding-left: 5%;
  }

  .pc-head .head-rg .head-search svg {
    fill: #333;
  }

  .pc-head .logo {
    width: 140px;
  }

  .service .top-bar {
    padding-bottom: 12rem;
  }

  .business .cent-box .li .intro .num-box {
    margin-top: 2rem;
  }

  .business .cent-box .li .intro .num-box .list {
    margin-right: 1rem;
  }

  .banner .banner-img .banner-intro .line {
    height: 4.75rem;
  }

  .technology .top-bar .wrap .lf .li-box {
    top: 1.9rem;
  }

  .technology .vertical .box .point-box .li5 {
    left: 69%;
  }

  .about .top-bar .intro {
    padding-left: 5%;
  }

  .about .top-bar .intro .box {
    align-items: flex-start;
  }

  .about .top-bar .num-box {
    padding: 5rem 5%;
  }

  .about .develop .develop-swiper .swiper-slide {
    width: 25%;
  }

  .about .culture .culture-swiper .swiper-slide {
    width: 50%;
  }

  .about .honor .honor-swiper .swiper-slide {
    width: 30%;
    height: 13.5rem;
  }

  .news .top-bar .swiper-box .top-swiper .swiper-slide .intro {
    padding-top: 1rem;
    padding-left: 1rem;
  }

  .news .top-bar .swiper-box .top-swiper .swiper-slide .intro .more {
    margin-top: 1.5rem;
  }

  .news .box .li-box .li {
    padding: 0 5% 1rem;
  }

  .responsibility .li-box .li .intro {
    padding-top: 1rem;
  }

  .responsibility .li-box .li .intro .more {
    margin-top: 1.8rem;
    padding-top: 1.2rem;
  }

  .select-box {
    position: relative;
  }

  .select-box .li,
  .select-box .li::after {
    border-color: rgba(0, 0, 0, .2);
  }

  .select-box .li p {
    color: #333;
  }

  .i-energy {
    height: 20rem;
  }

  .i-energy .li {
    margin-right: 1.5rem;
  }

  .i-busin .cont .li .intro .title,
  .i-video .bg-img2 .pos-text .tit,
  .i-busin .tit,
  .font62,
  .i-cases .box .lf .li.cur .tab .h1,
  .i-energy .li .year p {
    font-size: 1.2rem;
  }

  .i-video .bg-img2 .pos-text .text {
    width: 65%;
  }

  .i-cases .box .lf .li {
    padding: 0 5%;
  }

  .i-cases .box .lf .li.cur .tab {
    padding-top: 1rem;
    padding-bottom: 1.5rem;
  }

  #index-container .swiper-slide .index-pos {
    left: 5%;
  }

  .i-energy {
    padding: 0 5%;
  }

  .head-box .head {
    background-color: #fff;
  }

  .scr-trans {
    filter: initial;
  }

  .pc-head .head-rg .lan a {
    color: #333;
  }

  .i-advantage .box .pic .li-box .li3 {
    bottom: -3%;
  }

  .i-cases .box .btm-box {
    bottom: 1.5rem;
  }

  .banner .banner-img .banner-intro {
    top: 25%;
  }

  .liaison .li-box .li {
    padding: .75rem;
  }
}

@media (max-width: 997px) {
  .i-video .bg-img2 .pos-text .text {
    width: 80%;
  }

  .i-video .bg-img2 .pos-text .more {
    margin-top: .8rem;
  }

  .i-busin .cont .li .intro {
    padding: 2rem 5%;
  }

  .i-busin .cont .li .intro .text {
    width: 90%;
  }

  .i-cases .wrap,
  .i-news .wrap {
    padding: 2rem 0;
    flex-wrap: wrap;
    text-align: center;
  }

  .i-cases .wrap .tit,
  .i-news .wrap .tit {
    width: 100%;
  }

  .i-cases .wrap .cont,
  .i-news .wrap .cont {
    margin-top: 1rem;
    width: 100%;
  }

  .i-cases .box {
    flex-wrap: wrap;
    border-top: 2px solid #EBEBEB;
  }

  .i-cases .box .lf {
    width: 100%;
  }

  .i-cases .box .rg {
    display: none;
    width: 100%;
  }

  .i-cases .box .btm-box {
    display: none;
  }

  .i-cases .box .lf .li {
    padding: 0;
  }

  .i-cases .box .lf .li.cur {
    border-top: none;
  }

  .i-cases .box .lf .li .tab {
    padding: 1rem 5%;
  }

  .i-news .swiper-box .i-news-swiper .swiper-slide {
    width: 32%;
    margin-right: 2%;
  }

  .footer .top .lf .tel {
    margin-right: .5rem;
  }

  .i-advantage {
    padding: 2rem 0 1rem;
  }

  .i-advantage .box .pic {
    margin: 0;
  }

  .i-advantage .box .pic .li-box {
    left: 100%;
  }

  .i-advantage .box .pic .li-box .li .line {
    display: none;
  }

  .i-advantage .box .pic .li-box .li1,
  .i-advantage .box .pic .li-box .li2,
  .i-advantage .box .pic .li-box .li3 {
    top: 50%;
    left: 0;
    right: 0;
    margin-top: -4rem;
  }

  #index-container .swiper-slide .index-pos {
    bottom: auto;
    top: 20%;
  }

  .business .cent-box .li .pic {
    width: 100%;
  }

  .business .cent-box .li .intro {
    width: 100%;
  }

  .business .btm-case .case-swiper .swiper-slide {
    width: 80%;
  }

  .technology .top-bar .wrap .lf .li-box .li {
    margin-right: 1.5rem;
  }

  .technology .vertical .box {
    margin-top: 0;
  }

  .technology .history .history-swiper .swiper-slide {
    width: 35%;
  }

  .technology .cent-li .cent-swiper .swiper-slide {
    width: 30%;
  }

  .technology .cent-li .cent-swiper .swiper-slide.cur {
    width: 52%;
  }

  .technology .research .li-box .li .cont {
    top: 1.5rem;
  }
}

@media (max-width: 769px) {
  .w1800 {
    width: 90%;
  }

  .font72 {
    font-size: 1.2rem;
  }

  .font42 {
    font-size: 1rem;
  }

  .banner .banner-img .banner-intro {
    width: 90%;
    top: 15%;
  }

  .banner .banner-img .banner-intro .h2 {
    margin-top: .4rem;
  }

  .banner .banner-img .banner-intro .text {
    margin-top: .7rem;
    width: 100%;
  }

  .pc-head .logo {
    width: 120px;
  }

  .business .top-bar .tit {
    margin-bottom: 1rem;
  }

  .business .top-bar .li-box {
    margin-bottom: 1.2rem;
  }

  .business .top-bar .li-cont {
    margin-top: .8rem;
  }

  .business .top-bar .li-cont {
    flex-wrap: wrap;
  }

  .business .top-bar .li-cont .li {
    width: 50%;
    margin-bottom: .8rem;
  }

  .business .cent-box .li .pic {
    width: 100%;
  }

  .business .cent-box .li .intro {
    width: 100%;
    margin-right: 0;
    padding: 1rem 0 0;
  }

  .business .cent-box .li .intro .text {
    margin-top: .6rem;
  }

  .business .cent-box .li {
    margin-bottom: 1.5rem;
  }

  .business .btm-case .case-swiper .swiper-slide {
    width: 90%;
    margin: 0 5%;
  }

  .business .btm-case .case-swiper .swiper-slide .pos-cont {
    padding: 0 .8rem .5rem;
  }

  .business .btm-case .case-swiper .swiper-slide .pos-cont .li-box {
    flex-wrap: wrap;
  }

  .business .btm-case .case-swiper .swiper-slide .pos-cont .li-box p {
    width: 50%;
    margin-right: 0;
    padding-right: 0;
    border-right: none;
    margin-bottom: .5rem;
  }

  .business .top-bar .li-cont .li:nth-child(2n - 1) {
    border-left: 1px solid rgba(153, 153, 153, 0.25);
  }

  .main-num .num p {
    font-size: 1.2rem;
  }

  .main-num .num .ident {
    padding: 0;
  }

  .main-num .info {
    text-align: center;
    line-height: 1.2;
  }

  .main-num .num .ident span {
    width: max-content;
  }

  .footer .top .lf .tel {
    width: 7.5rem;
  }

  .foot {
    padding: 1.5rem 0;
  }

  .footer .top {
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(29, 32, 136, .1);
  }

  .footer .btm {
    margin-top: 1rem;
    flex-wrap: wrap;
  }

  .footer .btm .copyright {
    text-align: center;
  }

  .footer .btm .copyright a {
    line-height: 1.2;
  }

  .business .cent-box .li .intro .num-box {
    margin-top: 1rem;
    flex-wrap: wrap;
  }

  .business .cent-box .li .intro .num-box .list {
    width: 50%;
    margin-right: 0;
    margin-bottom: .5rem;
  }

  .service .btm-case .sub {
    width: 90%;
  }

  .banner .banner-img .banner-intro.tech {
    top: 45%;
  }

  .technology .top-bar .wrap {
    flex-wrap: wrap;
  }

  .technology .top-bar .wrap .lf {
    width: 100%;
    padding-right: 0;
    padding-top: 0;
  }

  .technology .top-bar .wrap .rg {
    margin-top: 1rem;
    width: 100%;
  }

  .technology .top-bar .wrap .lf .cont {
    margin-top: .6rem;
  }

  .technology .top-bar .wrap .lf .li-box {
    margin-top: 1rem;
    justify-content: space-between;
  }

  .technology .top-bar .wrap .lf .li-box .li {
    margin-right: 0;
  }

  .technology .vertical .cont {
    width: 90%;
  }

  .technology .vertical .box {
    margin-top: 1rem;
  }

  .technology .vertical .box>img {
    display: none;
  }

  .technology .vertical .box .point-box {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
  }

  .business .top-bar .li-cont .li .num-box {
    max-width: 100%;
  }

  .main-num.allf .info {
    padding: 0 .5rem;
  }

  .technology .vertical .box .point-box .li {
    position: relative;
    margin-right: 1.5rem;
  }

  .technology .vertical .box .point-box .li:nth-child(3) {
    margin-right: 0;
  }

  .technology .vertical .box .point-box .li:last-child {
    margin-right: 0;
  }

  .technology .vertical .box .point-box .li1,
  .technology .vertical .box .point-box .li2,
  .technology .vertical .box .point-box .li3,
  .technology .vertical .box .point-box .li4,
  .technology .vertical .box .point-box .li5 {
    left: 0;
    top: 0;
  }

  .technology .vertical .box .point-box .li.font-box {
    width: 3.2rem;
    height: 3.2rem;
  }

  .technology .research {
    padding-top: 1.5rem;
  }

  .technology .research .box {
    flex-wrap: wrap;
  }

  .technology .research .box .lf {
    width: 100%;
  }

  .technology .research .box .lf .top-pic {
    height: 7.5rem;
  }

  .technology .research .box .intro {
    width: 100%;
    padding-left: 0;
    padding-top: 1rem;
  }

  .technology .research .box .intro .cont {
    margin-top: .5rem;
    width: 100%;
  }

  .technology .research .li-box {
    margin-top: 1.5rem;
  }

  .technology .research .li-box .li .cont {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1rem 5% 1.5rem;
  }

  .technology .research .li-box .li .cont .info {
    width: 100%;
    margin-top: .5rem;
  }

  .technology .research .li-box .li:nth-child(2n) .cont {
    right: 0;
  }

  .technology .cent-li .cent-swiper .swiper-slide {
    width: 100%;
  }

  .technology .cent-li .cent-swiper .swiper-slide.cur {
    width: 100%;
  }

  .technology .cent-li .cent-swiper .swiper-slide.cur .hov-box {
    width: 100%;
  }

  .technology .cent-li .cent-swiper .swiper-slide-active .hov-box {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition: all .4s .4s;
  }

  .technology .cent-li .cent-swiper .swiper-slide-active .hov-box .cont {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition: all .4s .6s;
  }

  .technology .cent-li .cent-swiper .swiper-slide-active .hov-box .icon {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition: all .4s .8s;
  }

  .technology .history .history-swiper .swiper-slide {
    width: 50%;
  }

  .technology .history {
    padding: 1.5rem 0 3rem;
  }

  .technology .history .history-swiper .swiper-button-prev {
    left: 5%;
  }

  .technology .history .history-swiper .swiper-button-next {
    right: 5%;
  }

  .about .top-bar {
    padding-top: 2rem;
  }

  .about .top-bar .intro {
    padding: 0 5%;
  }

  .about .top-bar .intro .box {
    flex-wrap: wrap;
  }

  .about .top-bar .intro .box .lf {
    width: 100%;
    padding-right: 0;
  }

  .about .top-bar .intro .box .lf .cont {
    margin-top: .8rem;
  }

  .about .top-bar .intro .box .rg {
    width: 100%;
    padding-right: 0;
    margin-top: 1rem;
  }

  .about .top-bar .intro .box .rg .play {
    width: 2.5rem;
    height: 2.5rem;
  }

  .about .top-bar .num-box {
    padding: 1.5rem 5% .75rem;
    margin-top: 0;
    flex-wrap: wrap;
  }

  .about .top-bar .num-box .list {
    width: 50%;
    margin-bottom: .75rem;
  }

  .about .develop .develop-swiper .swiper-slide {
    width: 80%;
  }

  .about .develop .develop-swiper .swiper-button-prev {
    left: 0;
  }

  .about .develop .develop-swiper .swiper-button-next {
    right: 0;
  }

  .about .culture {
    padding-top: 1.5rem;
  }

  .about .culture .culture-swiper .swiper-slide {
    width: 100%;
  }

  .about .culture .culture-swiper .swiper-slide::after {
    opacity: 1;
  }

  .about .culture .culture-swiper .swiper-slide .intro {
    top: 27.8%;
  }

  .about .culture .culture-swiper .swiper-slide .intro .cont {
    opacity: 1;
    transform: translateY(0);
  }

  .about .honor .honor-swiper .swiper-slide {
    width: 100%;
    border-right: none;
    padding: 0 .5rem;
  }

  .about .honor .honor-swiper .swiper-slide .pic {
    position: relative;
    opacity: 1;
    transform: translateY(0);
    margin-top: .5rem;
  }

  .about .honor .honor-swiper .swiper-slide .cont,
  .about .honor .honor-swiper .swiper-slide:hover .cont {
    font-size: .7rem;
  }

  .about .honor .honor-swiper .swiper-slide .line {
    display: none;
  }

  .about .honor .honor-swiper .swiper-slide:hover {
    width: 100%;
  }

  .about .honor .honor-swiper .swiper-scrollbar {
    margin-top: 1rem;
  }

  .about .honor .knowledge .li-box {
    flex-wrap: wrap;
    padding: 1rem;
  }

  .about .honor .knowledge .li-box .li {
    width: 50%;
    margin-right: 0;
    margin-bottom: 1rem;
  }

  .banner .pub-nav {
    height: 1.75rem;
  }

  .banner .pub-nav .nav-container .swiper-slide {
    line-height: 1.75rem;
  }

  .news .top-bar .swiper-box .top-swiper .swiper-slide {
    flex-wrap: wrap;
  }

  .news .top-bar .swiper-box .top-swiper .swiper-slide .pic {
    width: 100%;
  }

  .news .top-bar .swiper-box .top-swiper .swiper-slide .intro {
    width: 100%;
    padding-left: 0;
  }

  .news .box .li-box .li {
    flex-wrap: wrap;
  }

  .news .box .li-box .li .pic {
    width: 100%;
    margin-right: 0;
  }

  .news .box .li-box .li .intro {
    width: 100%;
  }

  .news .box .li-box .li .intro .more,
  .news .top-bar .swiper-box .top-swiper .swiper-slide .intro .more {
    margin-top: 1rem;
  }

  .news-info .wrap .tit {
    font-size: .8rem;
  }

  .news-info .wrap .info-page {
    flex-wrap: wrap;
  }

  .news-info .wrap .info-page a {
    max-width: initial;
    width: 100%;
    margin-bottom: .75rem;
  }

  .news-info .wrap .info-page a:last-child {
    margin-bottom: 0;
  }

  .banner .banner-img .ban-cont {
    width: 90%;
  }

  .banner .banner-img .ban-cont .info {
    margin-top: 1rem;
  }

  .responsibility .li-box {
    margin-top: 1.5rem;
  }

  .responsibility .li-box .li .pic {
    width: 100%;
  }

  .responsibility .li-box .li .intro {
    width: 100%;
  }

  .responsibility .li-box .li .intro .info {
    margin-top: .5rem;
  }

  .responsibility .li-box .li .intro .more {
    margin-top: .8rem;
    padding-top: .7rem;
  }

  .investor .data .box {
    flex-wrap: wrap;
    margin-top: 1rem;
    padding-top: 1rem;
    padding-right: 0;
  }

  .investor .data .box .lf {
    width: 100%;
    padding-right: 0;
  }

  .investor .data .box .rg {
    width: 100%;
    margin-top: 1rem;
  }

  .investor .notice .ajax-box .page-box {
    margin-top: 1rem;
  }

  .liaison .sub {
    margin-top: 1.5rem;
  }

  .liaison .li-box {
    flex-wrap: wrap;
  }

  .banner .banner-img {
    height: 10rem;
  }

  .banner .banner-img img {
    height: 100%;
  }

  .banner .banner-img .ban-cont {
    top: 15%;
  }

  .liaison .li-box .li {
    width: 100%;
    height: auto;
    margin-right: 0;
    margin-bottom: .5rem;
  }

  .liaison .li-box .li:last-child {
    margin-bottom: 0;
  }

  .banner .banner-img .join-ban .search {
    margin-top: 1rem;
  }

  .join .top-bar .li-box .li .top-bots {
    flex-wrap: wrap;
  }

  .join .top-bar .li-box .li .top-bots .list {
    width: 49%;
    padding-right: .5rem;
    margin-right: 2%;
    padding-left: 0;
    margin-top: .75rem;
  }

  .join .top-bar .li-box .li .top-bots .list:nth-child(-n + 2) {
    margin-top: 0;
  }

  .join .top-bar .li-box .li .top-bots .list:nth-child(2n) {
    margin-right: 0;
    border-right: none;
  }

  .join .top-bar .li-box .li .top-bots .list:first-child {
    width: 49%;
  }

  /* .join .top-bar .li-box .li .top-bots .list:last-child {
    border-right: 1px solid rgba(0, 0, 0, 0.1);
  } */

  .join .top-bar .li-box .li .top-bots .list .tit {
    font-size: 16px;
    line-height: 1.2;
  }

  .join .top-bar .li-box .li .cent-bots {
    flex-wrap: wrap;
    height: auto;
  }

  .join .top-bar .li-box .li.cur .cent-bots {
    height: auto;
  }

  .join .top-bar .li-box .li .cent-bots p {
    margin-bottom: .5rem;
  }

  .join .top-bar .li-box .li .btm-bots .intro-box {
    flex-wrap: wrap;
  }

  .join .top-bar .li-box .li .btm-bots .intro-box .list {
    width: 100%;
    margin-bottom: .7rem;
  }

  .join .top-bar .li-box .li .btm-bots .intro-box .list:last-child {
    margin-bottom: 0;
  }

  .join .top-bar .li-box .li .btn-box .switch,
  .join .top-bar .li-box .li .btn-box .send {
    width: 3.5rem;
    height: 1.2rem;
  }

  .join .cent-box .li {
    padding: 1.5rem 5%;
  }

  .join .cent-box .li .pic {
    width: 100%;
  }

  .join .cent-box .li .cont {
    width: 100%;
    padding-left: 0;
    margin-top: 1rem;
  }

  .join .cent-box .li .cont .intro {
    margin-top: .5rem;
    width: 100%;
  }

  .join .cent-box .li:nth-child(2n) .cont {
    padding-left: 0;
  }

  .join .chain .li-box .li {
    width: 100%;
    margin-right: 0;
    margin-bottom: .7rem;
  }

  .join .chain .li-box .li:last-child {
    margin-bottom: 0;
  }

  #index-container .swiper-slide .index-pos .cn {
    font-size: 1rem;
  }

  .i-video {
    padding-top: 2rem;
  }

  .i-video .bg-img2 .pos-text .text {
    width: 100%;
  }

  .i-video .bg-img2 .pic-box .play {
    width: 2rem;
    height: 2rem;
  }

  .i-energy {
    height: 18rem;
  }

  .i-energy .li {
    padding-left: .3rem;
    margin-right: .5rem;
  }

  .i-energy .li.li4 {
    height: 84%;
  }

  .i-energy .li .intro {
    line-height: 1.2;
  }

  .i-busin {
    padding-top: 2rem;
    overflow: initial;
  }

  .i-busin .logo-icon {
    display: block;
    top: -3rem;
    width: 60%;
    margin-left: -30%;
  }

  .i-busin .cont {
    margin-top: 0;
  }

  .i-busin .tab {
    margin-top: 1rem;
    display: flex;
  }

  .i-busin .cont .li {
    width: 100%;
    height: 12rem;
  }

  .i-busin .cont .li::after {
    background-color: rgba(0, 0, 0, .25);
  }

  .i-busin .cont .li .intro {
    opacity: 1;
  }

  .i-busin .cont .li .intro .text,
  .i-busin .cont .li .intro .more {
    opacity: 1;
    transform: translateY(0);
  }

  .i-busin .cont .li .intro .text {
    margin-top: 0;
  }

  .i-busin .cont .li .intro .more {
    position: relative;
    width: 2.2rem;
    height: 1.1rem;
    line-height: 1.1rem;
    text-align: center;
    padding: 0;
    border-radius: .1rem;
    margin-top: .8rem;
  }

  .i-news .swiper-box {
    padding: 1rem 5% 0;
  }

  .i-news .swiper-box .i-news-swiper .swiper-slide {
    width: 80%;
  }

  .i-advantage .box .pic {
    margin: 0 auto;
    width: 90%;
  }

  .i-advantage .box .pic .li-box {
    left: 0;
    top: 100%;
    height: auto;
  }

  .i-advantage .box .pic .li-box .li {
    top: 0;
    margin-top: 0;
    width: 100%;
    height: max-content;
    text-align: center;
    display: none;
  }

  .i-energy .li.li1 {
    transform: translateY(0);
    opacity: 1;
  }

  #index-container {
    height: calc(100vh - 2rem);
  }

  #index-container .swiper-slide .index-pos .play {
    margin-top: .7rem;
  }

  .i-cases .wrap {
    padding-top: 9rem;
  }

  .technology .vertical .box .point-box .li3.font-box {
    top: 0;
    left: 0;
  }

  .banner .banner-img .join-ban {
    top: 15%;
  }

  .business .cent-box .li .intro .li-wrap .list {
    line-height: 1.2;
  }

  .main-num.allf .num {
    margin: 0 auto;
  }

  .about .develop .swiper-box .develop-swiper {
    width: 70%;
  }

  .about .develop .swiper-box .swiper-button-prev,
  .about .develop .swiper-box .swiper-button-next {
    width: 1.35rem;
    height: 1.35rem;
  }

  .i-busin .cont .li .intro .title,
  .i-video .bg-img2 .pos-text .tit,
  .i-busin .tit,
  .font62,
  .i-cases .box .lf .li.cur .tab .h1,
  .i-energy .li .year p {
    font-size: 1rem;
  }

  .business .top-bar,
  .business .cent-box,
  .business .btm-case,
  .technology .top-bar,
  .technology .vertical,
  .technology .cent-li,
  .about .develop,
  .about .honor,
  .about .partner,
  .news .top-bar,
  .news .box,
  .responsibility,
  .investor .data,
  .investor .notice,
  .liaison,
  .join .top-bar,
  .join .chain {
    padding: 2rem 0;
  }

  .business .btm-case .case-swiper,
  .technology .vertical .cont,
  .technology .research .box,
  .technology .history .history-swiper,
  .about .top-bar .intro .box,
  .about .develop .develop-swiper,
  .about .culture .culture-swiper,
  .about .honor .honor-swiper,
  .join .chain .li-box {
    margin-top: 1rem;
  }

  .footer .top .lf .foot-nav,
  .footer .btm .share,
  .banner .banner-img .banner-intro .line,
  .banner .banner-img .banner-intro .arr,
  .news .box .li-box .li .time,
  .news-info .wrap .info-page::after,
  .i-video .bg-img2 .pos-text .cont br,
  .i-busin .cont .li .intro1,
  .i-busin .cont .li .intro .title,
  .i-busin .cont .li .intro .li-box,
  .business .top-bar .icon,
  .business .top-bar .point {
    display: none;
  }

  .back-top {
    display: none !important;
  }

  .service .top-bar {
    padding: 2rem 0 7rem;
  }

  .business .top-bar .wrap {
    padding: 0 5%;
  }

  .about .top-bar .intro .box .lf .cont,
  .about .honor .knowledge .sub,
  .investor .data .box .lf .cont,
  .i-video .bg-img2 .pos-text .text,
  .i-busin .cont .li .intro .text,
  .responsibility .cont,
  .responsibility .li-box .li .intro .info,
  .news .box .li-box .li .intro .cont,
  .business .cent-box .li .intro .text,
  .technology .top-bar .wrap .lf .cont,
  .technology .vertical .cont,
  .technology .research .box .intro .cont,
  .technology .research .li-box .li .cont .info {
    font-size: 14px;
  }
}

@media (max-width: 1200px) {
  .magide .content{
    position: relative;
    height: auto;

  }
  .magide{
    height: auto ;
  }
  .main-container{
    height: auto !important;;
  }
  .main-wrapper{
    display: block !important;;
  }
  .main-container .main-slide{
    height: auto !important;
  }
  .i-busin .tit{
    position: relative;
    top: auto;
  }
  .i-busin .cont{
    transform: translateY(0);
  }
  .i-busin{
    height: auto;
    padding-top: 1rem;
  }
  .i-energy{
    align-items: flex-end;
    justify-content: space-between;
  }
  .i-energy .li .hov-box{
    width: 150%;
  }
  .i-cases .box .lf .li .tab .sli-box{
    max-height: none;
  }
  .i-cases .box .lf .li .tab .sli-box .img{
    display: block;
    margin-top: 0.5rem;
  }
  .i-cases .box .lf .li .pic{
    display: none !important;
  }
  .technology .research .li-box .li .play{
    left: 10%;
    bottom: 72%;

  }
  .technology .research .li-box .li:nth-child(2n) .play{
    right: 10%;
  }
}