body{
    overflow-x: hidden;
}
.institution {
  margin-top: 4.5%;
}
.institution .tab > div {
  display: none;
}
.institution .tab > div:first-child {
  display: block;
}
.institution .img {
  margin-top: 60px;
  position: relative;
  height: 0;
  padding-bottom: 41.66%;
  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: #222222;
  margin-top: 20px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}
.institution .more {
  margin-top: 72px;
}

.sove {
  margin-top: 4.5%;
}
.sove .flx {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
.sove .flx > div {
  width: 50%;
}
.sove .l {
  padding-left: calc((100% - 1440px) / 2);
}
.sove .text {
  padding: 0 80px;
}
.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: #222222;
  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;
}

.sample .flx {
  -webkit-box-orient: horizontal;
  -webkit-box-direction: reverse;
      -ms-flex-direction: row-reverse;
          flex-direction: row-reverse;
}
.sample .l {
  padding-left: 0;
  padding-right: calc((100% - 1440px) / 2);
}

.event {
  margin-top: 4.5%;
}
.event .tab {
  margin-top: 60px;
}
.event .tab > div {
  display: none;
  position: relative;
}
.event .tab > div:first-child {
  display: block;
}
.event .img {
  position: relative;
  height: 0;
  padding-bottom: 38.88%;
  overflow: hidden;
  display: block;
  -webkit-transition: 0.5s;
  transition: 0.5s;
}
.event .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;
}
.event .box {
  position: absolute;
  right: 0;
  width: 520px;
  background: #fff;
  top: 50%;
  -webkit-transform: translateY(-50%);
      -ms-transform: translateY(-50%);
          transform: translateY(-50%);
  margin-right: 80px;
  padding: 60px;
}
.event .tit {
  line-height: 1;
}
.event .des {
  line-height: 1.875;
  color: #222222;
  margin-top: 20px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}
.event .more {
  margin-top: 72px;
}

.institute .tab {
  margin-top: 40px;
}
.institute .tab > div {
  display: none;
}
.institute .tab > div:first-child {
  display: block;
}
.institute .flx {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: end;
      -ms-flex-pack: end;
          justify-content: flex-end;
  position: relative;
}
.institute .r {
  width: 54.12%;
  position: absolute;
  z-index: 2;
  left: 0;
  top: 50%;
  -webkit-transform: translateY(-50%);
      -ms-transform: translateY(-50%);
          transform: translateY(-50%);
  padding-left: calc((100% - 1440px) / 2);
}
.institute .l {
  width: 43.75%;
  margin-right: calc((100% - 1440px) / 4);
  padding-right: calc((100% - 1440px) / 4);
  padding-top: 170px;
  padding-bottom: 170px;
  padding-left: 160px;
  background: #f5f5f5;
}
.institute .l .common_title {
  margin-bottom: 80px;
}
.institute .l .box{
    width: 78%;
}
.institute .img {
  position: relative;
  height: 0;
  padding-bottom: 62.5%;
  overflow: hidden;
  display: block;
  -webkit-transition: 0.5s;
  transition: 0.5s;
}
.institute .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;
}
.institute .img:hover img {
  -webkit-transform: scale(1.05);
      -ms-transform: scale(1.05);
          transform: scale(1.05);
}
.institute .tit {
  line-height: 1;
  margin-bottom: 20px;
}
.institute .des {
  line-height: 1.875;
  color: #222222;
  margin-bottom: 72px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}
.institute .time {
  line-height: 1;
  color: #888888;
  margin-bottom: 30px;
}

.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 {
  width: 54.16%;
  position: absolute;
  z-index: 2;
  right: 0;
  top: 0;
  bottom: 0;
  margin: auto 0;
  padding-right: calc((100% - 1440px) / 2);
  display: flex;
  align-items: center;
}
.robot .l {
  width: 43.75%;
  margin-left: calc((100% - 1440px) / 4);
  padding-left: calc((100% - 1440px) / 4);
  padding-top: 95px;
  padding-bottom: 95px;
  padding-right: 12%;
  background: #f5f5f5;
}
.robot .img {
    width: 100%;
  position: relative;
  height: 0;
  padding-bottom: 62.5%;
  overflow: hidden;
  display: block;
  -webkit-transition: 0.5s;
  transition: 0.5s;
}
.robot .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;
}
.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: #222222;
  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) {
  .sove .common_title {
    margin-bottom: 50px;
  }
  .sove .time {
    margin-bottom: 15px;
  }
  .sove .tit {
    margin-bottom: 20px;
  }
  .sove .des {
    margin-bottom: 40px;
  }
  .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: 8.3%;
  }
  .robot .common_title {
    margin-bottom: 50px;
  }
  .robot .time {
    margin-bottom: 15px;
  }
  .robot .tit {
    margin-bottom: 20px;
  }
  .robot .des {
    margin-bottom: 40px;
  }
  .sove .l {
    padding-left: 10%;
  }
  .sove .text {
    padding: 0 50px;
  }
  .sample .l {
    padding-right: 10%;
    padding-left: 0;
  }
  .event .tab {
    margin-top: 35px;
  }
  .event .box {
    margin-right: 50px;
    padding: 40px;
    width: 400px;
  }
  .event .des {
    margin-top: 15px;
  }
  .event .more {
    margin-top: 40px;
  }
  .institute .l {
    margin-right: 5%;
    padding-right: 5%;
    padding-top: 10%;
    padding-bottom: 10%;
    padding-left: 8.3%;
  }
  .institute .r {
    padding-left: 10%;
  }
  .institute .l .common_title {
    margin-bottom: 50px;
  }
  .institute .time {
    margin-bottom: 15px;
  }
  .institute .tit {
    margin-bottom: 20px;
  }
  .institute .des {
    margin-bottom: 40px;
  }
}
@media screen and (max-width: 1200px) {
  .sove .common_title {
    margin-bottom: 35px;
  }
  .sove .time {
    margin-bottom: 10px;
  }
  .sove .tit {
    margin-bottom: 15px;
  }
  .sove .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%;
  }
  .sove .l {
    padding-left: 5%;
  }
  .sample .l {
    padding-right: 5%;
    padding-left: 0;
  }
  .event .tab {
    margin-top: 25px;
  }
  .institute .r {
    padding-left: 5%;
  }
  .institute .l {
    margin-right: 2.5%;
    padding-right: 2.5%;
    width: 48%;
  }
  .institute .tab {
    margin-top: 25px;
  }
  .institute .l .common_title {
    margin-bottom: 35px;
  }
  .institute .tit {
    margin-bottom: 15px;
  }
  .institute .time {
    margin-bottom: 10px;
  }
  .institute .des {
    margin-bottom: 30px;
  }
  .event .box {
    padding: 30px;
    width: 350px;
  }
}
@media screen and (max-width: 768px) {
  .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;
    padding: 0 5%;
  }
  .sove .text {
    padding: 0;
  }
  .sove .common_title {
    margin-bottom: 25px;
  }
  .sove .des {
    width: 100%;
    margin-bottom: 25px;
  }
  .sove .tit {
    margin-bottom: 10px;
  }
  .event {
    margin-top: 40px;
  }
  .event .box {
    position: relative;
    -webkit-transform: inherit;
        -ms-transform: inherit;
            transform: inherit;
    top: 0;
    width: 100%;
    margin-right: 0;
    padding: 25px 0 0;
  }
  .event .des {
    margin-top: 10px;
  }
  .event .more {
    margin-top: 25px;
  }
  .institution {
    margin-top: 40px;
    margin-bottom: 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;
  }
  .institute .l .common_title {
    margin-bottom: 25px;
  }
  .institute .tit {
    margin-bottom: 10px;
  }
  .institute {
    margin-top: 40px;
  }
  .institute .des {
    margin-bottom: 25px;
  }
  .institute .r {
    position: relative;
    top: 0;
    -webkit-transform: inherit;
        -ms-transform: inherit;
            transform: inherit;
    width: 100%;
    padding-left: 0;
  }
  .institute .l {
    width: 100%;
    padding: 25px 5%;
  }
  .institute .flx {
    -webkit-box-orient: vertical;
    -webkit-box-direction: reverse;
        -ms-flex-direction: column-reverse;
            flex-direction: column-reverse;
    padding: 0 5%;
  }
  .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;
  }
}