body{
    overflow-x: hidden;
}
.research {
  padding: 4.5% 0;
}
.research .top {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}
.research .clk_btn div {
  border: 1px solid #eeeeee;
}
.research .clk_btn .prev {
  margin-right: 10px;
}
.research .swiper-slide {
    overflow: hidden;
  padding: 65px 40px;
  height: 600px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  /*background: #eeeeee;*/
  border: 1px solid #eeeeee;
}
.research .swiper-slide:hover .develop_bg {
  opacity: 1;
  transform: scale(1.05);
}
.research .swiper-slide:hover .develop_more {
  opacity: 1;
}
.research .swiper-slide:hover .develop_btm {
  display: none;
}
.research .swiper-slide:hover .develop_tit {
  color: white;
}
.research .swiper-slide:hover .develop_des {
  color: white;
}
.research .develop_tit {
    color: #fff;
  line-height: 1;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.research .develop_des {
  color: #fff;
  line-height: 1.875;
  margin-top: 22px;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.research .develop_btm {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  position: relative;
  z-index: 2;
  display: none;
}
.research .develop_kuai {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  border: 1px solid #dddddd;
  width: 60px;
  height: 60px;
}
.research .swiper {
  margin-top: 60px;
  margin-left: calc((100% - 1440px) / 2);
}
.research .develop_info {
  position: relative;
  z-index: 2;
}
.research .develop_bg {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  -o-object-fit: cover;
     object-fit: cover;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.research .develop_more {
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  background: #f00000;
  position: absolute;
  z-index: 3;
  left: 40px;
  bottom: 65px;
  overflow: hidden;
}

.product .tab {
  margin-top: 120px;
}
.product .tab > div {
  display: none;
}
.product .tab > div:first-child {
  display: block;
}
.product .flx {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  position: relative;
}
.product .flx > div {
  width: 50%;
  position: relative;
  z-index: 2;
}
.product .flx::after {
  content: "";
  display: block;
  width: 54.16%;
  height: calc(100% + 120px);
  position: absolute;
  top: 50%;
  -webkit-transform: translateY(-50%);
      -ms-transform: translateY(-50%);
          transform: translateY(-50%);
  right: 0;
  background: #f5f5f5;
}
.product .r {
  padding-left: 80px;
  padding-right: calc((100% - 1440px) / 2);
}
.product .img {
  position: relative;
  height: 0;
  padding-bottom: 62.5%;
  overflow: hidden;
  display: block;
  -webkit-transition: 0.5s;
  transition: 0.5s;
}
.product .img img {
  position: absolute;
  height: 100%;
  width: 100%;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  -o-object-fit: cover;
     object-fit: cover;
}
.product .img:hover img {
  -webkit-transform: scale(1.05);
      -ms-transform: scale(1.05);
          transform: scale(1.05);
}
.product .tit {
  line-height: 1;
}
.product .des {
  margin-top: 20px;
  line-height: 1.875;
  color: #888888;
  width: 63%;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}
.product .more {
  margin-top: 70px;
}

.sove {
  margin-top: 7.6%;
}
.sove .flx {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.sove .flx > div {
  width: 50%;
}
.sove .img {
  position: relative;
  height: 0;
  padding-bottom: 62.5%;
  overflow: hidden;
  display: block;
  -webkit-transition: 0.5s;
  transition: 0.5s;
}
.sove .img img {
  position: absolute;
  height: 100%;
  width: 100%;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  -o-object-fit: cover;
     object-fit: cover;
}
.sove .img:hover img {
  -webkit-transform: scale(1.05);
      -ms-transform: scale(1.05);
          transform: scale(1.05);
}
.sove .tit {
  line-height: 1;
  margin-bottom: 20px;
}
.sove .des {
  line-height: 1.875;
  color: #888888;
  width: 79%;
  margin-bottom: 72px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}
.sove .time {
  line-height: 1;
  color: #888888;
  margin-bottom: 30px;
}
.sove .common_title {
  margin-bottom: 80px;
}

.case {
  margin-top: 4.5%;
}
.case .flx {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
.case .l {
  width: 44%;
}
.case .r {
  width: 56%;
  padding: 0 120px;
}
.case .img {
  position: relative;
  height: 0;
  padding-bottom: 120%;
  overflow: hidden;
  display: block;
  -webkit-transition: 0.5s;
  transition: 0.5s;
}
.case .img img {
  position: absolute;
  height: 100%;
  width: 100%;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  -o-object-fit: cover;
     object-fit: cover;
}
.case .img:hover img {
  -webkit-transform: scale(1.05);
      -ms-transform: scale(1.05);
          transform: scale(1.05);
}
.case .tit {
  line-height: 1;
  margin-bottom: 20px;
}
.case .des {
  line-height: 1.875;
  color: #888888;
  width: 79%;
  margin-bottom: 72px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}
.case .time {
  line-height: 1;
  color: #888888;
  margin-bottom: 30px;
}
.case .common_title {
  margin-bottom: 80px;
}

.institution {
  margin-top: 4.5%;
}
.institution .img {
  margin-top: 60px;
  position: relative;
  height: 0;
  padding-bottom: 41.6%;
  overflow: hidden;
  display: block;
  -webkit-transition: 0.5s;
  transition: 0.5s;
}
.institution .img > img {
  position: absolute;
  height: 100%;
  width: 100%;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  -o-object-fit: cover;
     object-fit: cover;
}
.institution .box {
  position: absolute;
  width: 520px;
  background: #fff;
  top: 50%;
  -webkit-transform: translateY(-50%);
      -ms-transform: translateY(-50%);
          transform: translateY(-50%);
  right: calc((100% - 1440px) / 2);
  margin-right: 80px;
  padding: 60px;
}
.institution .tit {
  line-height: 1;
}
.institution .des {
  line-height: 1.875;
  color: #888888;
  margin-top: 20px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}
.institution .more {
  margin-top: 72px;
}

.robot {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  margin: 4.5% 0;
  position: relative;
}
.robot .r {
    height: 100%;
  width: 50%;
  position: absolute;
  z-index: 2;
  right: 0;
  top: 0;
  bottom: 0;
  margin: auto 0;
          
         
}
.robot .r>div{
     height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.robot .l {
  width: 48%;
  margin-left: calc((100% - 1440px) / 4);
  padding-left: calc((100% - 1440px) / 4);
  padding-top: 95px;
  padding-bottom: 95px;
  padding-right: 240px;
  background: #f5f5f5;
}
.robot .img {
    width: 100%;
  position: relative;
  height: 0;
  padding-bottom: 62.5%;
  overflow: hidden;
  display: block;
}
.robot .img img {
  position: absolute;
  height: 100%;
  width: 100%;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;

  -o-object-fit: cover;
     object-fit: cover;
}
.robot .img:hover img {
  -webkit-transform: scale(1.05);
      -ms-transform: scale(1.05);
          transform: scale(1.05);
}
.robot .tit {
  line-height: 1;
  margin-bottom: 20px;
}
.robot .des {
  line-height: 1.875;
  color: #888888;
  margin-bottom: 72px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}
.robot .time {
  line-height: 1;
  color: #888888;
  margin-bottom: 30px;
}
.robot .common_title {
  margin-bottom: 80px;
}

@media screen and (max-width: 1600px) {
  .research .swiper {
    margin-top: 35px;
    margin-left: 10%;
  }
  .research .swiper-slide {
    padding: 40px 30px;
    height: 410px;
  }
  .research .develop_more {
    bottom: 40px;
    left: 30px;
  }
  .research .develop_kuai {
    width: 50px;
    height: 50px;
  }
  .product .tab {
    margin-top: 70px;
  }
  .product .flx::after {
    height: calc(100% + 70px);
  }
  .product .r {
    padding-left: 4.16%;
    padding-right: 10%;
  }
  .product .des {
    margin-top: 15px;
  }
  .product .more {
    margin-top: 40px;
  }
  .sove {
    margin-top: 9.375%;
  }
  .sove .common_title {
    margin-bottom: 50px;
  }
  .sove .time {
    margin-bottom: 15px;
  }
  .sove .tit {
    margin-bottom: 20px;
  }
  .sove .des {
    margin-bottom: 40px;
  }
  .case .common_title {
    margin-bottom: 50px;
  }
  .case .time {
    margin-bottom: 15px;
  }
  .case .tit {
    margin-bottom: 20px;
  }
  .case .des {
    margin-bottom: 40px;
  }
  .case .r {
    padding: 0 8.33%;
  }
  .institution .img {
    margin-top: 35px;
  }
  .institution .box {
    right: 10%;
    margin-right: 50px;
    padding: 40px;
    width: 400px;
  }
  .institution .des {
    margin-top: 15px;
  }
  .institution .more {
    margin-top: 40px;
  }
  .robot .l {
    margin-left: 5%;
    padding-left: 5%;
    padding-top: 4.94%;
    padding-bottom: 4.94%;
    padding-right: 12.5%;
  }
  .robot .common_title {
    margin-bottom: 50px;
  }
  .robot .time {
    margin-bottom: 15px;
  }
  .robot .tit {
    margin-bottom: 20px;
  }
  .robot .des {
    margin-bottom: 40px;
  }
}
@media screen and (max-width: 1200px) {
  .research .swiper {
    margin-top: 25px;
    margin-left: 5%;
  }
  .product .tab {
    margin-top: 50px;
  }
  .product .flx::after {
    height: calc(100% + 50px);
  }
  .product .r {
    padding-right: 5%;
  }
  .sove .common_title {
    margin-bottom: 35px;
  }
  .sove .time {
    margin-bottom: 10px;
  }
  .sove .tit {
    margin-bottom: 15px;
  }
  .sove .des {
    margin-bottom: 30px;
  }
  .case .common_title {
    margin-bottom: 35px;
  }
  .case .time {
    margin-bottom: 10px;
  }
  .case .tit {
    margin-bottom: 15px;
  }
  .case .des {
    margin-bottom: 30px;
  }
  .institution .img {
    margin-top: 25px;
  }
  .institution .box {
    margin-right: 0;
    padding: 30px;
    width: 350px;
  }
  .robot .common_title {
    margin-bottom: 35px;
  }
  .robot .time {
    margin-bottom: 10px;
  }
  .robot .tit {
    margin-bottom: 15px;
  }
  .robot .des {
    margin-bottom: 30px;
  }
  .robot .l {
    margin-left: 2.5%;
    padding-left: 2.5%;
    width: 50%;
  }
}
@media screen and (max-width: 1000px) {
  .research .swiper-slide {
    height: 320px;
  }
}
@media screen and (max-width: 768px) {
  .research .develop_kuai {
    height: 40px;
    width: 40px;
  }
  .research {
    padding: 40px 0;
  }
  .research .common_title {
    text-align: left;
  }
  .research .swiper-slide {
    padding: 25px;
  }
  .research .develop_des {
    margin-top: 10px;
  }
  .research .develop_more {
    bottom: 25px;
  }
  .product .flx {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    width: 90%;
    margin: auto;
  }
  .product .flx > div {
    width: 100%;
  }
  .product .flx::after {
    display: none;
  }
  .product .tab {
    margin-top: 30px;
  }
  .product .r {
    padding: 25px 0 0;
  }
  .product .des {
    margin-top: 10px;
  }
  .product .more {
    margin-top: 20px;
  }
  .product .des {
    width: 100%;
  }
  .sove {
    margin-top: 40px;
  }
  .sove .flx {
    -webkit-box-orient: vertical;
    -webkit-box-direction: reverse;
        -ms-flex-direction: column-reverse;
            flex-direction: column-reverse;
  }
  .sove .flx > div {
    width: 100%;
  }
  .sove .l {
    margin-top: 25px;
  }
  .sove .common_title {
    margin-bottom: 25px;
  }
  .sove .des {
    width: 100%;
    margin-bottom: 25px;
  }
  .sove .tit {
    margin-bottom: 10px;
  }
  .case {
    margin-top: 40px;
  }
  .case .flx {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
  }
  .case .l {
    width: 100%;
  }
  .case .r {
    width: 100%;
    padding: 25px 0 0;
  }
  .case .common_title {
    margin-bottom: 25px;
  }
  .case .des {
    width: 100%;
    margin-bottom: 25px;
  }
  .case .tit {
    margin-bottom: 10px;
  }
  .institution {
    margin-top: 40px;
  }
  .institution .box {
    position: relative;
    -webkit-transform: inherit;
        -ms-transform: inherit;
            transform: inherit;
    right: 0;
    width: 100%;
    top: 0;
    padding: 25px 5% 0;
  }
  .institution .img > img {
    position: relative;
    height: auto;
  }
  .institution .img {
    height: auto;
    padding-bottom: 0;
  }
  .institution .more {
    margin-top: 25px;
  }
  .institution .des {
    margin-top: 10px;
  }
  .robot {
    margin: 40px 0 0;
    -webkit-box-orient: vertical;
    -webkit-box-direction: reverse;
        -ms-flex-direction: column-reverse;
            flex-direction: column-reverse;
  }
  .robot .l {
    width: 100%;
    margin-left: 0;
    padding: 25px 5% 40px;
  }
  .robot .r {
    width: 100%;
    position: relative;
    -webkit-transform: inherit;
        -ms-transform: inherit;
            transform: inherit;
            
            
                
  }
  .robot .common_title {
    margin-bottom: 25px;
  }
  .robot .des {
    width: 100%;
    margin-bottom: 25px;
  }
  .robot .tit {
    margin-bottom: 10px;
  }
}