@media (max-width: 769px) {
  .group2{
    margin-right: 0px !important;
    width: 200px !important;
    height: 130px !important;
  }
}

.core_us_page .banner{
  background-image: url(https://static.ainnovation.com/static/assets/img/core/75e31bfe24ad72d1a10d7e83e9f3fec.png);
  background-size:100% 100%;
  background-position: center;
  background-repeat: no-repeat;
  background-color: #001620;
}
.core_us_page .banner .banner_title {
  color: #fff;
  /* line-height: 67px; */
}
.core_concat{
  /* max-width: 1180px; */
  width: 100%;
  margin: auto;
}

.core_us_page .txt7 {
  /* width: 960px; */
  max-width: 960px;
  height: 90px;
  overflow-wrap: break-word;
  color: rgba(51, 51, 51, 1);
  font-size: 16px;
  font-family: PingFangSC-Regular;
  text-align: center;
  line-height: 30px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
  margin: auto;
}
.core_us_page .title_box{
  display: flex !important;
  align-items: center;
}

.core_us_page .platform_theory_content_card{
  margin-bottom: 20px;
}

.core_us_page .group2 {
  width: 304px;
  height: 157px;
  background: url(https://static.ainnovation.com/static/assets/img/core/SketchPng869e31ebc42867f1986148579f5cd211767583cc534fc7fc9d43f1a39ae12f3c.png) -7px -1px
    no-repeat;
    margin-right: 90px;
    margin-top: 21px;
}
.baidu-site-verification_box p{
  color: #fff;
  font-size: 18px;
  font-weight: 500;
  margin-top: 25px;
}

.baidu-site-verification1{
  /* width: 250px; */
  height: 250px;
  background: url(https://static.ainnovation.com/static/assets/img/core/SketchPng46e09990c76884ac7bb1b60fe5f762f66c5076611a1f5eea559659caf1944e2a.png) no-repeat;
  width: 353px;
  margin:15px auto !important;
  background-position: center center ;
}
.baidu-site-verification2{
  /* width: 250px; */
  height: 250px;
  background: url(https://static.ainnovation.com/static/assets/img/core/SketchPng3c25c98aa53fa05698b4848734909018dfaf73658b72eba6c3fc84612569bf3b.png) no-repeat;
  width: 353px;
  margin:15px auto !important;
  background-position: center center ;
}
.baidu-site-verification3{
  /* width: 250px; */
  height: 250px;
  background: url(https://static.ainnovation.com/static/assets/img/core/SketchPng63e3c6fa8740a4179a800955e4bd269bfce9c02a2131932218037b8a41b99130.png) no-repeat;
  width: 353px;
  margin:15px auto !important;
  background-position: center center ;
}

.core_us_page .layer4 {
  background-color: rgba(248, 248, 248, 1);
  /* height: 524px; */
  margin-top: 56px;
  width: 100%;
  margin-bottom: 50px;
  /* padding-bottom: 20px;
  padding-left: 30px;
  padding-right: 30px; */
}

.core_us_page .banner .banner_btns_wrap {
  display: flex;
}
.core_us_page .content-area {
  text-align: center;
}
.core_us_page .banner .content-area {
  display: block;
  text-align: left;
}

.core_us_page .banner .banner_btns_wrap .banner_btn {
  margin-right: 30px;
}
.core_us_page .banner .banner_btns_wrap .banner_btn.school {
  background-color: #2296FF;
}
.core_us_page .section-area .section_title {
  font-size: 36px;
  font-weight: 500;
  text-align: center;
  margin-bottom: 16px;
  margin-bottom: 32px;
  width: 100%;
}
.core_us_page img {
  width: 100%;
}
#carouselExampleIndicators1 .carousel-indicators li {
  width: 12px;
  height: 12px;
  background: #D8D8D8;
  margin-right: 12px;
  border-radius: 6px;
  border: 0;
}
#carouselExampleIndicators1 .carousel-indicators li.active {
  width: 40px;
  background: #FF7000;
}
.core_us_page .carousel-indicators {
  bottom: -42px;
}

.core_us_page .rencai {
  background-image: url(https://static.ainnovation.com/static/assets/img/new_2021_tiny/JoinUs_bg_@2x.jpg);
  color: rgba(255, 255, 255, 0.8);
}
.core_us_page .rencai .section_title {
  color: #fff;
}
.core_us_page .rencai .rencai_item {
  margin-right: 20px;
  flex: 1;
}
.core_us_page .rencai .rencai_item:last-child {
  margin-right: 0;
}
.core_us_page .rencai_item .item_info {
  padding: 0 20px 20px;
  background-color: #1B4787;
  height: 187px;
}
.core_us_page.en .rencai_item .item_info {
  height: 200px;
}
.core_us_page .rencai_item .item_info .title {
  line-height: 67px;
  color: #fff;
  font-size: 18px;
  font-weight: 500;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  margin-bottom: 19px;
}
.core_us_page.en .rencai_item .item_info .title {
  line-height: 50px;
  margin-bottom: 10px;
  font-size: 17px;
}
.core_us_page .rencai_item .item_info .detail {
  font-size: 14px;
  line-height: 20px;
  text-align: left;
}
.core_us_page .fuli_item {
  margin-right: 20px;
  flex: 1;
}
.core_us_page .fuli_item:last-child {
  margin-right: 0;
}
.core_us_page .fuli_item .item_info {
  padding: 0 20px 20px;
  background: #F4F5F9;
  height: 206px;
}
.core_us_page.en .fuli_item .item_info {
  height: 266px;
}
.core_us_page .fuli_item .item_info .title {
  line-height: 66px;
  color: #000;
  font-size: 18px;
  font-weight: 500;
  border-bottom: 1px solid #DCDCDC;
  margin-bottom: 19px;
}
.core_us_page .fuli_item .item_info .detail {
  font-size: 14px;
  line-height: 20px;
  text-align: left;
  color: #333;
}

@media (min-width: 769px) and (max-width:1280px) {
  .core_us_page .banner {
    height: 360px;
  }
  .core_us_page.en .rencai_item .item_info {
    height: 250px;
  }
  .core_us_page.en .rencai_item .item_info .title {
    line-height: 1.5 !important;
  }
  .core_us_page.en .fuli_item .item_info .title {
    height: 55px;
    line-height: 1.5;
  }
  .core_us_page.en .fuli_item:first-child .item_info .title{
    line-height: 55px;
  }
  .core_us_page.en .fuli_wrap .fuli_item .item_info {
    height: 300px;
  }
}