/* pc端首页css */
.top-banner {
  height: 530px;
  width: 100%;
  position: relative;
  width: 100%;
  overflow: hidden;
  background-color: #fff;
}
.top-banner .swiper-container2 {
  height: 386px;
}
@media screen and (min-width: 1440px) {
  .top-banner{
    zoom: 1.2;
  }
}
.top-banner .swiper-container2 img {
  height: 386px;
  width: 100%;
  object-fit: cover;
}

.top-banner .rig-four {
  position: absolute;
  right: 0px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  bottom: 0px;
  width: 758px;
  height: 68px;
}
.four-ite {
  width: 168px;
  height: 68px;
  background: #ffffff;
  box-shadow: 0px 1px 5px 1px rgba(5, 20, 162, 0.16);
  border-radius: 14px 14px 14px 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.four-ite span {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 500;
  font-size: 18px;
  color: #161616;
}
.four-ite img {
  height: 42px;
  width: 42px;
  margin-right: 12px;
}
.top-banner .w1100 {
  width: 1100px;
  margin: 0 auto;
  height: 68px;
  margin-top: 17px;
  position: relative;
}
.index-page .part2 {
  padding-top: 31px;
  padding-bottom: 33px;
  background-color: rgba(247, 246, 254, 1);
}
.flex-h {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}
.same-t {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: bold;
  font-size: 31px;
  color: #161616;
  text-align: center;
  margin-bottom: 29px;
}
.same-t-sub {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 400;
  font-size: 21px;
  color: rgba(22, 22, 22, 0.77);
  text-align: center;
}
.tab-scont {
  width: 1100px;
  margin-top: 29px;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
}
.tabs-one {
  width: 183px;
  height: 48px;
  cursor: pointer;
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 400;
  font-size: 21px;
  color: #161616;
  text-align: center;
  line-height: 48px;
  background-color: #fff;
}
.tabs-one.active {
  width: 183px;
  height: 56px;
  background: url(/static/assets/images/header/p1_bg.png) no-repeat;
  background-size: 100% 100%;
  background-position: center top;
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 500;
  font-size: 21px;
  color: #ffffff;
}
.change-tabs {
  margin-top: 31px;
  width: 1030px;
  height: 350px;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
}
.change-tabs .mod-img {
  width: 230px;
  /* height: 350px; */
  cursor: pointer;
  object-fit: cover;
  display: none;
  border-radius: 12px;
  z-index: 1;
  -webkit-border-radius: 12px;
  -moz-border-radius: 12px;
  -ms-border-radius: 12px;
  -o-border-radius: 12px;
}
.change-tabs .mod-img.active {
  display: block;
}
.cent-mod {
  width: 410px;
  height: 350px;
  background: #fcfcff;
  box-shadow: 0px 1 5px 1px rgba(174, 174, 174, 0.16);
  border-radius: 12px 12px 12px 12px;
  margin-left: -15px;
  margin-right: 6px;
}
.change-tabs .tab-tit {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin-top: 19px;
  margin-bottom: 19px;
}
.change-tabs .tab-tit .ti-img {
  height: 17px;
  width: 17px;
  margin-left: 29px;
  margin-right: 8px;
}
.change-tabs .tab-tit p {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 500;
  font-size: 15px;
  color: #161616;
  margin: 0;
}
.cour-fl {
  width: 100%;
  /* display: flex; */
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 0 29px 0 37px;
  display: none;
}
.cour-fl.active {
  display: flex;
}
.cour-fl .cour-fl-item {
  width: 342px;
  height: 38px;
  background: url(/static/assets/images/header/p1_1.png) no-repeat;
  background-size: 100% 100%;
  background-position: center top;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}
.cour-fl .fl-stage {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 400;
  font-size: 14px;
  color: #507df9;
  display: inline-block;
  margin-left: 14px;
  margin-right: 10px;
}
.cour-fl .stage-de {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 400;
  font-size: 14px;
  color: #3a3a3a;
}
.pcen-las {
  /* margin-top: 7px; */
  width: 100%;
  padding-left: 47px;
  padding-right: 40px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}
.pcen-las-it {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  cursor: pointer;
}
.pcen-las-it img {
  height: 35px;
  object-fit: contain;
  margin-bottom: 7px;
}
.pcen-las-it span {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 400;
  font-size: 14px;
  color: #161616;
}

.rig-mod {
  height: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}
.rig-mod .rig-mod-top {
  height: 179px;
  width: 100%;
  background: #fcfcff;
  box-shadow: 0px 1 5px 1px rgba(174, 174, 174, 0.16);
  border-radius: 12px 12px 12px 12px;
  margin-bottom: 7px;
}
.rig-mod .rig-mod-btm {
  width: 100%;
  height: 165px;
  background: #fcfcff;
  box-shadow: 0px 1 5px 1px rgba(174, 174, 174, 0.16);
  border-radius: 12px 12px 12px 12px;
}
.rig-mod .ti-img {
  margin-left: 10px !important;
}
.open-class {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}
.open-class.active {
  display: flex;
}
.open-class .open-item {
  display: flex;
  width: 369px;
  justify-content: flex-start;
  align-items: center;
  margin-bottom: 9px;
  cursor: pointer;
}
.open-class .open-item .open-name {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 400;
  font-size: 14px;
  color: #3a3a3a;
  display: inline-block;
  margin-left: 21px;
  margin-right: 24px;
  width: 137px;
}
.open-class .open-item .open-time {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 400;
  font-size: 14px;
  color: #9a9a9a;
  display: inline-block;
}
.open-class .open-item .open-state {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 500;
  font-size: 14px;
  color: #3a0202;
  margin-left: 39px;
}
.open-class .open-item .open-state.hot {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 500;
  font-size: 14px;
  color: #ff3929;
}
.open-class .open-item .open-state img {
  height: 17px;
  width: 17px;
  margin-right: 3px;
  vertical-align: text-bottom;
}
.lsa-news {
  display: none;
  align-items: flex-start;
  justify-content: flex-start;
  flex-direction: column;
  width: 100%;
}
.lsa-news.active {
  display: flex;
}
.lsa-news-item {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin-bottom: 8px;
  width: 100%;
  cursor: pointer;
}
.lsa-news-item:hover div {
  color: rgba(107, 146, 251, 1);
}
.lsa-news-item:hover span {
  background-color: rgba(107, 146, 251, 1);
}
.lsa-news-item span {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: #1990ff;
  opacity: 0.41;
  border-radius: 50%;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  -ms-border-radius: 50%;
  -o-border-radius: 50%;
  margin-left: 20px;
  margin-right: 8px;
}
.lsa-news-item div {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 400;
  font-size: 14px;
  color: #3a3a3a;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-right: 20px;
}
.lsa-news-item p {
  margin-bottom: 0;
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 400;
  font-size: 14px;
  color: #3a3a3a;
  margin-left: 3px;
  margin-right: 10px;
}
.part3 {
  padding-top: 39px;
  padding-bottom: 38px;
  background-color: #fff;
}
.flex-video {
  width: 1100px;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  margin-top: 45px;
}
.flex-video .lef_img {
  width: 225px;
  height: 309px;
  object-fit: cover;
  margin-right: 17px;
  border-radius: 9px;
}
.rig-videos {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  padding: 7px 0;
}
.flex-h-video {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  cursor: pointer;
  margin-bottom: 24px;
  width: 198px;
}
.flex-h-video .video-poster {
  width: 100%;
  height: 106px;
  /* object-fit: cover; */
  margin-bottom: 14px;
  border-radius: 12px;
  -webkit-border-radius: 12px;
  -moz-border-radius: 12px;
  -ms-border-radius: 12px;
  -o-border-radius: 12px;
}
.flex-h-video .video-tit {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 400;
  font-size: 16px;
  color: #161616;
  display: inline-block;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: center;
  white-space: nowrap;
}

.index-page .part4 {
  height: 599px;
  width: 100%;
  background: url(/static/assets/images/header/p4bg.png) no-repeat;
  background-size: 100% 100%;
  background-position: center top;
  padding-top: 47px;
}

.w930 {
  width: 1100px;
}
.flex-o-stu {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-top: 45px;
}
.part4 .lef-tabs {
  width: 229px;
  background-color: rgba(90, 134, 255, 0.3);
}
.part4 .rig-cont {
  width: 682px;
}
.lef-tabs-item {
  width: 100%;
  height: 92px;
  box-sizing: border-box;
  line-height: 92px;
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 400;
  font-size: 20px;
  color: #ffffff;
  text-align: center;
  position: relative;
  cursor: pointer;
}
.lef-tabs-item.active {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(128, 128, 128, 0.06) 100%
  );
}
.lef-tabs-item.active::before {
  content: "";
  display: inline-block;
  position: absolute;
  height: 51px;
  width: 2px;
  background-color: #11ffb6;
  top: 21px;
  left: -1px;
}
.part5 {
  padding-top: 59px;
  padding-bottom: 27px;
  background-color: #fff;
}
.line-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 55px;
  margin-bottom: 41px;
}
.line-tab-item {
  width: 242px;
  padding-bottom: 14px;
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 400;
  font-size: 21px;
  color: #161616;
  text-align: center;
  cursor: pointer;
  border-bottom: 1px solid rgba(194, 210, 255, 1);
}
.line-tab-item.active {
  border-bottom: 2px solid rgba(80, 125, 247, 1);
  color: rgba(80, 125, 247, 1);
}
.btm-line-cont {
  display: none;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
}
.btm-line-cont.active {
  display: flex;
}
.cont-det {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  cursor: pointer;
  margin-bottom: 47px;
}
.cont-det img {
  width: 212px;
  height: 159px;
  border-radius: 12px;
  -webkit-border-radius: 12px;
  -moz-border-radius: 12px;
  -ms-border-radius: 12px;
  -o-border-radius: 12px;
  margin-bottom: 21px;
}
.cont-det span {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 400;
  font-size: 16px;
  color: #161616;
  display: inline-block;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: center;
  white-space: nowrap;
}
.part6 {
  padding-top: 46px;
  padding-bottom: 46px;
  background: rgba(247, 246, 254, 1);
  overflow: hidden;
}
.top-fleth {
  margin-top: 61px;
  width: 1000px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 63px;
}
.top-fleth-ite {
  height: 76px;
  object-fit: contain;
}
.teacher-swiper {
  width: 100%;
  margin-top: 40px;
  position: relative;
}
.teacher-swiper .swiper-wrapper {
  width: 1100px;
  background-color: rgba(247, 246, 254, 1);
}
.teacher-swiper .swiper-wrapper .swiper-slide {
  /* z-index: 90; */
  background-color: transparent;
}
.teacher-item {
  width: 1000px;
  height: 364px;
  background: #517ef7;
  box-shadow: 0px 2px 5px 1px rgba(174, 174, 174, 0.16);
  border-radius: 9px 9px 9px 9px;
  position: relative;
}
.tea-back {
  width: 262px;
  height: 225px;
  position: absolute;
  left: 0;
  bottom: 0;
}
.tea-head {
  width: 227px;
  height: 357px;
  left: 9px;
  bottom: 0;
  z-index: 10;
  position: absolute;
}
.rig-infos {
  width: calc(100% - 302px);
  height: 100%;
  position: absolute;
  right: 0;
  bottom: 0;
}
.tea-nams {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin-top: 32px;
  margin-bottom: 27px;
}
.tea-nams .t-name {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: bold;
  font-size: 20px;
  color: #ffffff;
  margin-right: 15px;
  display: inline-block;
}
.tea-nams .t-key {
  padding: 5px 10px;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.74) 0%,
    rgba(255, 255, 255, 0.25) 100%
  );
  border-radius: 3px 3px 3px 3px;
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 500;
  font-size: 14px;
  color: #517ef7;
  display: inline-block;
  text-align: center;
}
.sam-iin {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin-bottom: 15px;
}
.sam-iin .line {
  width: 18px;
  height: 3px;
  background-color: rgba(240, 252, 74, 1);
  display: inline-block;
  margin-right: 14px;
}
.sam-iin .text {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: bold;
  font-size: 16px;
  color: #f0fc4a;
}

.dess {
  width: 100%;
  padding-left: 32px;
  padding-right: 51px;
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 400;
  font-size: 14px;
  line-height: 23px;
  color: #ffffff;
  display: -webkit-box;
  -webkit-line-clamp: 6;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: normal;
  margin-bottom: 16px;
  text-align: left;
}

.swiperBtn {
  background: url(/static/assets/images/header/ar_l.png) no-repeat;
  background-size: 100% 100%;
  background-position: center;
  height: 42px;
  width: 42px;
  top: 124px;
  position: absolute;
  z-index: 999;
  cursor: pointer;
  left: calc(((100% - 1100px) / 2) - 21px);
}
.swiperBtn_r {
  background: url(/static/assets/images/header/ar_r.png) no-repeat;
  background-size: 100% 100%;
  background-position: center;
  height: 42px;
  width: 42px;
  position: absolute;
  top: 124px;
  z-index: 999;
  cursor: pointer;
  right: calc(((100% - 1100px) / 2) - 21px);
}

.show-lef {
  width: 291px;
  height: 421px;
  position: absolute;
  left: 0;
  z-index: 10;
  bottom: -32px;
  background: url(/static/assets/images/header/last.png) no-repeat;
  background-size: 100% 100%;
  background-position: center;
  opacity: 0.2;
}
.show-rig {
  width: 291px;
  height: 421px;
  position: absolute;
  right: 0;
  bottom: -32px;
  opacity: 0.2;
  z-index: 10;
  background: url(/static/assets/images/header/prev.png) no-repeat;
  background-size: 100% 100%;
  background-position: center;
}
.teacher-swiper .swiper-slide-active {
  z-index: 100;
}
.teacher-swiper .swiper-slide-prev {
  z-index: 90;
  opacity: 0.2;
  transform: scale(-1, 1.1);
  -webkit-transform: scale(-1, 1.1);
  -moz-transform: scale(-1, 1.1);
  -ms-transform: scale(-1, 1.1);
  -o-transform: scale(-1, 1.1);
}
.teacher-swiper .swiper-slide-next {
  z-index: 90;
  opacity: 0.2;
  transform: scaleY(1.1);
  -webkit-transform: scaleY(1.1);
  -moz-transform: scaleY(1.1);
  -ms-transform: scaleY(1.1);
  -o-transform: scaleY(1.1);
}
.teacher-swiper .swiper-slide-prev .tea-back,
.teacher-swiper .swiper-slide-next .tea-back,
.teacher-swiper .swiper-slide-prev .tea-head,
.teacher-swiper .swiper-slide-next .tea-head {
  transform: scaleX(-1);
  -webkit-transform: scaleX(-1);
  -moz-transform: scaleX(-1);
  -ms-transform: scaleX(-1);
  -o-transform: scaleX(-1);
}
.index-page .part7 {
  padding-top: 46px;
  padding-bottom: 76px;
  background-color: #fff;
}
.flex-news-box {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  margin-top: 55px;
}
.lef-big-art {
  position: relative;
  width: 383px;
  height: 301px;
  margin-right: 20px;
}
.lef-big-art img {
  position: absolute;
  left: 0;
  top: 0;
  object-fit: cover;
  width: 383px;
  height: 301px;
}
.lef-big-art span {
  position: absolute;
  left: 0;
  bottom: 0;
  background: rgba(46, 46, 46, 0.4);
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 400;
  font-size: 21px;
  color: #ffffff;
  text-align: center;
  z-index: 1;
  width: 100%;
  display: inline-block;
}

.cent-art {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  /* flex: 1; */
}
.cent-big-art {
  width: 221px;
  height: 68px;
  border-radius: 8px 8px 8px 8px;
  overflow: hidden;
  position: relative;
  margin-bottom: 11px;
}
.cent-big-art .fle {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 1;
  width: 100%;
  background: rgba(46, 46, 46, 0.4);
}
.cent-big-art img {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 100%;
  object-fit: cover;
}

.cent-big-art .fle .red-bg {
  width: 29px;
  height: 28px;
  background: #ff0030;
  border-radius: 0px 12px 0px 6px;
  text-align: center;
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 500;
  font-size: 14px;
  color: #ffffff;
  line-height: 28px;
}
.cent-big-art .fle .tex {
  margin-left: 10px;
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 400;
  font-size: 14px;
  color: #ffffff;
  text-align: center;
  display: inline-block;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.rig-art {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  width: 430px;
  margin-left: 28px;
  height: 100%;
}
.top-tis {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 26px;
  width: 100%;
}
.top-tis span {
  display: inline-block;
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 500;
  font-size: 21px;
  color: #161616;
}
.top-tisflex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 26px;
  width: 100%;
}
.top-tisflex span {
  display: inline-block;
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 500;
  font-size: 16px;
  color: #161616;
  cursor: pointer;
}
.top-tisflex span.active {
  color: #517ef7;
  font-weight: bold;
}
.flex-news-box .rig-art-box {
  width: 100%;
  display: none;
}
.rig-art-box {
  width: 100%;
}

.rig-art-box .lsa-news-item span {
  margin-left: 0;
}
.part8 {
  padding-bottom: 59px;
  background-color: #fff;
}
.part8 .w930 {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  margin-top: 50px;
}
.part8 .w930 .lef_img {
  width: 254px;
  height: 350px;
  object-fit: cover;
  margin-right: 24px;
  border-radius: 9px;
  -webkit-border-radius: 9px;
  -moz-border-radius: 9px;
  -ms-border-radius: 9px;
  -o-border-radius: 9px;
}
.art-ri {
 width: 822px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
}
.ort-tab {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 27px;
  width: 100%;
}
.ort-tab .tabs {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 500;
  font-size: 21px;
  cursor: pointer;
  color: #161616;
}
.ort-tab .tabs.active {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: bold;
  font-size: 21px;
  color: #7297fc;
}
.ce-new-img {
  width: 100%;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 27px;
  display: none;
}
.ce-new-img.active {
  display: flex;
}
.cenew-img-item {
  height: 120px;
  width: 100%;
  border-radius: 6px;
  object-fit: cover;
  -webkit-border-radius: 6px;
  -moz-border-radius: 6px;
  -ms-border-radius: 6px;
  -o-border-radius: 6px;
}
.last-art {
  flex: 1;
  display: none;
  align-items: flex-start;
  justify-content: space-between;
  width: 100%;
}
.last-art.active {
  display: flex;
}
.last-art .rig-art {
  flex: 1;
  margin-left: 0;
}
.last-art .rig-art .top-tis {
  width: 100%;
  margin-bottom: 16px;
}
.part9 {
  background-color: #fff;
  padding-top: 59px;
  padding-bottom: 205px;
}
.env .env_content {
  margin-top: 40px;
  background-color: #dae8ff;
  display: flex;
  height: 700px;
  justify-content: space-between;
}
.env .env_content .env_content_row {
  width: 50%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
}
.env .env_content .env_content_row > div {
  position: relative;
  width: 100%;
  overflow: hidden;
}
.env .env_content .env_content_row > div:hover img {
  transform: scale(1.1);
}
.env .env_content .env_word {
  height: 48px;
  background: rgba(0, 0, 0, 0.4);
  font-size: 20px;
  color: #ffffff;
  text-align: center;
  line-height: 48px;
  position: absolute;
  bottom: 0;
  width: 100%;
  z-index: 1;
}
.env .env_content .env_item {
  flex: 1;
  margin-bottom: 10px;
}
.env .env_content .env_item:last-of-type {
  margin-bottom: 0;
}
.env .env_content img {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  transition: 0.2s linear;
}
.flext {
  /* width: 100%; */
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 37px;
}
.flext-item {
  width: 306px;
  height: 81px;
  background: #f6f7f9;
  box-shadow: 0px 0px 2px 1px #9dae00,
    inset 0px 2 2px 1px rgba(255, 255, 255, 0.16);
  border-radius: 8px 8px 8px 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.flext-item img {
  height: 49px;
  object-fit: contain;
  margin-right: 29px;
}
.flext-item .span-box {
  /* flex: 1; */
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}
.flext-item .span-box span {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 400;
  font-size: 17px;
  color: #161616;
  display: inline-block;
}
.part4 .rig-cont {
  flex: 1;
  margin-left: 19px;
}
.stu-talk {
  height: 100%;
  display: none;
  width: 100%;
  flex-wrap: wrap;
}
.stu-talk.active {
  display: flex;
}
.stu-talk-item {
  width: 100%;
  height: 173px;
  background: #ffffff;
  border-radius: 9px 9px 9px 9px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}
.stu-talk-item .lef-heads {
  width: 200px;
  height: 130px;
  border-right: 1px solid #638bf9;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}
.part4 .heads {
  width: 86px;
  height: 86px;
  object-fit: cover;
  border-radius: 50%;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  -ms-border-radius: 50%;
  -o-border-radius: 50%;
  margin-bottom: 2px;
}
.part4 .nams {
  display: flex;
  align-items: center;
  justify-content: center;
  /* margin-bottom: 10px; */
}
.part4 .nams .name {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 400;
  font-size: 17px;
  color: #000000;
  margin-right: 11px;
  display: inline-block;
}
.part4 .nams .comp {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 400;
  font-size: 14px;
  color: #727272;
}
.companys {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 400;
  font-size: 15px;
  color: #727272;
}

.part4 .righ-infos {
  padding: 21px 29px 21px 40px;
  flex: 1;
  display: flex;
  height: 100%;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
}
.talk-info {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  /* margin-bottom: 21px; */
  width: 100%;
}
.talk-info .sa {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 500;
  font-size: 14px;
  color: #727272;
  display: inline-block;
  width: 113px;
}
.talk-info .las {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 400;
  font-size: 14px;
  color: #727272;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.part4 .xuanyan {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 500;
  font-size: 14px;
  color: #727272;
}
.part4 .des {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 400;
  font-size: 14px;
  height: 60px;
  color: #727272;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: normal;
  line-height: 23px;
}
.part4 .inner-fl {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  align-items: center;
  padding: 21px 0;
}
.part4 .inner-fl img {
  width: 247px;
  height: 145px;
  object-fit: cover;
  margin-bottom: 35px;
}