.business {
  padding: 6.77% 0;
}
@media (max-width: 768px) {
  .business {
    padding: 40px 0;
  }
}
.business .column_title {
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
}
.business .business_flx {
  margin-top: 30px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
@media (max-width: 1600px) {
  .business .business_flx {
    margin-top: 10px;
  }
}
@media (max-width: 1200px) {
  .business .business_flx {
    margin-top: 0px;
  }
}
@media (max-width: 768px) {
  .business .column_title {
    align-items: center;
  }
}
.business .business_flx > div {
  width: calc((100% - 40px) / 2);
  border-bottom: 1px solid #dbdbdb;
  padding: 60px 0 40px;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
@media (max-width: 1600px) {
  .business .business_flx > div {
    padding: 40px 0 30px;
  }
}
@media (max-width: 1200px) {
  .business .business_flx > div {
    padding: 30px 0 20px;
  }
}
@media (max-width: 768px) {
  .business .business_flx > div {
    width: 100%;
  }
}
.business .business_flx > div:hover {
  border-color: #e21110;
}
.business .business_flx > div:hover .bus_l img {
  -webkit-transform: scale(1.04);
      -ms-transform: scale(1.04);
          transform: scale(1.04);
}
.business .business_flx > div:hover .bus_r .bus_tit {
  color: #e21110;
}
.business .business_flx > div .bus_l {
  width: 240px;
  height: 145px;
  position: relative;
  display: block;
  overflow: hidden;
}
@media (max-width: 1200px) {
  .business .business_flx > div .bus_l {
    width: 192px;
    height: 116px;
  }
}
.business .business_flx > div .bus_l 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;
}
.business .business_flx > div .bus_r {
  width: calc(100% - 280px);
}
@media (max-width: 1600px) {
  .business .business_flx > div .bus_r {
    width: calc(100% - 270px);
  }
}
@media (max-width: 1200px) {
  .business .business_flx > div .bus_r {
    width: calc(100% - 215px);
  }
}
.business .business_flx > div .bus_r .bus_tit {
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  line-height: 1;
  font-weight: bold;
}
.business .business_flx > div .bus_r .bus_des {
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  color: #777777;
  margin-top: 20px;
}
@media (max-width: 1600px) {
  .business .business_flx > div .bus_r .bus_des {
    margin-top: 10px;
  }
}
@media (max-width: 1200px) {
  .business .business_flx > div .bus_r .bus_des {
    margin-top: 5px;
  }
}

.platform {
  background: #f6f6f6;
  padding: 6.77% 0;
}
@media (max-width: 768px) {
  .platform {
    padding: 40px 0;
  }
}
.platform .column_title {
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
}
.platform .platform_flx {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  border: 1px solid #dbdbdb;
  background: white;
  height: 720px;
  margin-top: 60px;
}
@media (max-width: 1600px) {
  .platform .platform_flx {
    margin-top: 50px;
    height: 680px;
  }
}
@media (max-width: 1200px) {
  .platform .platform_flx {
    height: 560px;
    margin-top: 30px;
  }
}
@media (max-width: 768px) {
  .platform .platform_flx {
    height: auto;
  }
  .platform .column_title{
      align-items: center;
  }
}
.platform .platform_flx > div {
  position: relative;
  padding: 40px 40px 0;
  width: 50%;
}
@media (max-width: 1600px) {
  .platform .platform_flx > div {
    padding: 30px 30px 0;
  }
}
@media (max-width: 768px) {
  .platform .platform_flx > div {
    width: 100%;
    padding:20px 20px 40px;
  }
  .platform .platform_flx > div:first-child {
    border-right: none;
    border-bottom: 1px solid #dbdbdb;
  }
}
.platform .platform_flx > div:first-child {
  border-right: 1px solid #dbdbdb;
}
.platform .platform_flx .platform_img {
  position: relative;
  height: 0;
  padding-bottom: 53.57%;
  overflow: hidden;
  display: block;
}
.platform .platform_flx .platform_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;
}
.platform .platform_flx .platform_tit {
  line-height: 1;
  font-family: "bold";
  margin: 50px 0 40px;
}
@media (max-width: 1600px) {
  .platform .platform_flx .platform_tit {
    margin: 40px 0 25px;
  }
}
@media (max-width: 1200px) {
  .platform .platform_flx .platform_tit {
    margin: 30px 0 20px;
  }
}
@media (max-width: 768px) {
  .platform .platform_flx .platform_tit {
    margin: 20px 0 15px;
  }
}
.platform .platform_flx .platform_tit a {
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.platform .platform_flx .platform_tit:hover a {
  color: #e21110;
}
.platform .platform_flx .platform_des {
  color: #777777;
  line-height: 1.75em;
  text-align: justify;
  height: 10.5em;
  overflow: auto;
  padding-right: 10px;
}
.platform .platform_flx .platform_des::-webkit-scrollbar {
    width: 2px;
    border-radius: 4px;
  }
.platform .platform_flx .platform_des::-webkit-scrollbar-track {
    background: rgba(0,0,0,0.08); 
    /* 背景色 */
    border-radius: 4px;
  }
.platform .platform_flx .platform_des::-webkit-scrollbar-thumb {
  background: #fd0015;
  /* 滚动色 */
  border-radius: 6px;
}
.platform .platform_flx .platform_more {
  position: absolute;
  right: 40px;
  bottom: 20px;
  z-index: 2;
}
.platform .platform_flx .platform_more svg path {
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.platform .platform_flx .platform_more:hover svg path {
  fill: #e21110;
}
@media (max-width: 1600px) {

}
@media (max-width: 1200px) {
  .platform .platform_flx .platform_more {
    bottom: 15px;
  }
}
.platform .platform_flx .platform_tip {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
}
.platform .platform_flx .platform_tip a {
  text-align: center;
  width: calc((100% - 20px) / 3);
  height: 50px;
  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;
  color: #222222;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  border: 1px solid #e4e4e4;
  border-radius: 50px;
  margin-bottom: 10px;
  line-height: 1.2;
  margin-right: 10px;
  display: none;
}
.platform .platform_flx .platform_tip a:nth-child(3n){
    margin-right: 0;
}
.platform .platform_flx .platform_tip a:hover {
  border-color: #e21110;
  background: #e21110;
  color: white;
}
.platform .platform_flx .platform_tip.eng{
    justify-content: space-between;
}
.platform .platform_flx .platform_tip.eng a{
    margin-right: 0;
    width: calc((100% - 10px)/2);
}
@media (max-width: 1600px) {
  .platform .platform_flx .platform_tip a {
    font-size: 12px;
  }
}
@media (max-width: 1200px) {
  .platform .platform_flx .platform_tip a {
    width: calc((100% - 10px) / 2);
    margin-right: 0;
  }
  .platform .platform_flx .platform_tip{
      justify-content: space-between;
  }
}