.all{
    overflow: hidden;
}
.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;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: reverse;
      -ms-flex-direction: row-reverse;
          flex-direction: row-reverse;
}
.sove .flx > div {
  width: 50%;
}
.sove .l {
  padding-left: 0;
  padding-right: 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 .common_title {
  margin-bottom: 80px;
}

.case {
  margin-top: 4.5%;
}
.case .flx {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.case .l {
  width: 56%;
  padding: 0 140px;
  display: flex;
  align-items: center;
}
.case .r {
  width: 44%;
}
.case .img {
  position: relative;
  height: 0;
  padding-bottom: 124%;
  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: #222222;
  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%;
  padding: 4.5% 0;
  background-size: cover;

}
.institution .img {
  position: relative;
  height: 0;
  padding-bottom: 41.66%;
  overflow: hidden;
  display: none;
  -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 .img:hover img {
  -webkit-transform: scale(1.05);
      -ms-transform: scale(1.05);
          transform: scale(1.05);
}
.institution .common_title {
  margin-bottom: 80px;
}
.institution .box {
  width: 520px;
  background: #fff;
  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;
}

.institute {
  margin-top: 4.5%;
}
.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: 0;
  bottom: 0;
  margin: auto 0;
  padding-left: calc((100% - 1440px) / 2);
  display: flex;
 align-items: center;
}
.institute .l {
  width: 43.75%;
  margin-right: calc((100% - 1440px) / 4);
  padding-right: calc((100% - 1440px) / 4);
  padding-top: 95px;
  padding-bottom: 95px;
  padding-left: 12%;
  background: #f5f5f5;
}
.institute .l .common_title {
  margin-bottom: 80px;
}
.institute .img {
  position: relative;
  height: 0;
  padding-bottom: 62.5%;
  overflow: hidden;
  display: block;
  -webkit-transition: 0.5s;
  transition: 0.5s;
  width: 100%;
}
.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;
}

.event {
  margin: 4.5% 0;
}
.event .relative {
  margin-top: 60px;
  position: relative;
}
.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;
}
.college{
    margin-top: 4.5%;
}
.college .flx{
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.college .l{
    width: 38%;
}
.college .r{
    width: 50%;
}

.college .tit {
  line-height: 1;
}
.college .common_title {
  margin-bottom: 80px;
}
.college .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;
}
.college .more {
  margin-top: 72px;
}
.college .img{
    position: relative;
            height: 0;
            padding-bottom: 56%;
            overflow: hidden;
            display:block;
            transition: 0.5s;
}
.college .img img{
            
          
                position: absolute;
                height: 100%;
                width: 100%;
                top: 0;
                bottom: 0;
                left: 0;
                right: 0;
                margin: auto;
                transition: all 0.5s;
                object-fit: cover;
}
.college .img:hover img{
    transform: scale(1.05);
}
@media screen and (max-width: 1600px) {
  .sove .common_title {
    margin-bottom: 50px;
  }
  .sove .tit {
    margin-bottom: 20px;
  }
  .sove .des {
    margin-bottom: 40px;
  }
  .sove .l {
    padding-right: 10%;
  }
  .sove .text {
    padding: 0 50px;
  }
  .case .common_title {
    margin-bottom: 50px;
  }
  .case .time {
    margin-bottom: 15px;
  }
  .case .tit {
    margin-bottom: 20px;
  }
  .case .des {
    margin-bottom: 40px;
  }
  .case .l {
    padding: 0 9.72%;
  }
  .institution .box {
    padding: 40px;
    width: 400px;
  }
  .institution .common_title {
    margin-bottom: 50px;
  }
  .institution .des {
    margin-top: 15px;
  }
  .institution .more {
    margin-top: 40px;
  }
  .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: 4.94%;
    padding-bottom: 4.94%;
    padding-left: 8.3%;
  }
  .institute .r {
    padding-left: 10%;
  }
  .institute .l .common_title {
    margin-bottom: 50px;
  }
  .institute .tit {
    margin-bottom: 20px;
  }
  .institute .des {
    margin-bottom: 40px;
  }
  .event .relative {
    margin-top: 35px;
  }
  
  .college .common_title {
  margin-bottom: 50px;
}
.college .des {
  margin-top: 15px;
}
.college .more {
  margin-top: 40px;
}
}
@media screen and (max-width: 1200px) {
  .event .relative {
    margin-top: 25px;
  }
  .sove .common_title {
    margin-bottom: 35px;
  }
  .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 .box {
    padding: 30px;
    width: 350px;
  }
  .sove .l {
    padding-right: 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 .l .common_title {
    margin-bottom: 35px;
  }
  .institute .tit {
    margin-bottom: 15px;
  }
  .institute .des {
    margin-bottom: 30px;
  }
  .event .box {
    padding: 30px;
    width: 350px;
  }
  .institution .common_title {
    margin-bottom: 35px;
  }
  .institution .more {
    margin-top: 30px;
  }
  .event .more {
    margin-top: 30px;
  }
  
    .college .common_title {
  margin-bottom: 35px;
}
.college .more {
  margin-top: 30px;
}
}
@media screen and (max-width: 768px) {
        .college {
        margin-top: 40px;
    }
    .college .flx{
        display: flex;
        flex-direction: column-reverse;
    }
    .college .l{
        width: 100%;
        margin-top: 25px;
    }
    .college .r{
        
        width: 100%;
    }
        .college .common_title {
  margin-bottom: 25px;
}
    .college .des {
        margin-top: 10px;
    }
.college .more {
  margin-top: 25px;
}
  .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;
  }
  .case {
    margin-top: 40px;
  }
  .case .flx {
    -webkit-box-orient: vertical;
    -webkit-box-direction: reverse;
        -ms-flex-direction: column-reverse;
            flex-direction: column-reverse;
  }
  .case .l {
    width: 100%;
    padding: 0;
  }
  .case .r {
    width: 100%;
    padding: 0 0 25px;
  }
  .case .common_title {
    margin-bottom: 25px;
  }
  .case .des {
    width: 100%;
    margin-bottom: 25px;
  }
  .case .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: 0px;
    padding: 0;
    background-image: none !important;
  }
  .institution .img {
    display: block;
  }
  .institution .box {
    position: relative;
    -webkit-transform: inherit;
        -ms-transform: inherit;
            transform: inherit;
    width: 100%;
    padding: 25px 0 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;
  }
  .institution .common_title {
    margin-bottom: 25px;
  }
  .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%;
  }
  .sove {
    margin-top: 40px;
  }
}