.banner {
  width: 100%;
  height: 550px;
}

.banner .swiper-slide {
  height: 550px;
  position: relative;
}

.banner .swiper-slide a {
  width: 100%;
  height: 550px;
  display: block;
}

.banner .swiper-pagination {
  justify-content: flex-end;
  width: 1200px !important;
  left: 50% !important;
  bottom: 30px !important;
  transform: translateX(-50%);
}

.banner .swiper-pagination-bullet {
  width: 15px;
  height: 15px;
  background-color: #ffffff;
  border: solid 3px #000000;
  opacity: 0.4;
}

.banner .swiper-pagination-bullet-active {
  width: 20px;
  height: 20px;
  border: solid 5px #ffffff;
  background: none;
  opacity: 1;
}

.section {
  width: 100%;
}

.section .content {
  width: 1200px;
  margin: 0 auto;
  background-color: #ffffff;
}

.section .s-title {
  padding: 30px 29px;
}

.section .s-title h4 {
  font-size: 25px;
  line-height: 25px;
  height: 25px;
  font-weight: normal;
  color: #000000;
  position: relative;
}

.section .s-title h4::before {
  content: "";
  width: 3px;
  height: 25px;
  background-color: #42579f;
  position: absolute;
  top: 0;
  left: -27px;
}

.section .s-title .more {
  width: 60px;
  height: 30px;
  border: solid 1px #e5e5e5;
  font-size: 14px;
  color: #666666;
  transition: all .3s;
}

.section .s-title .more:hover {
  color: #ff2626;
  border: solid 1px #ff2626;
  transition: all .3s;
}

.lead {
  margin-top: 70px;
  margin-bottom: 40px;
}

.lead .content {
  background: none;
}

.lead .lead-top {
  width: 1200px;
  height: 176px;
  background: url(../images/teacher.jpg) no-repeat;
  background-size: 100%;
  border-radius: 40px 40px 0px 0px;
  padding-top: 40px;
  padding-left: 515px;
}

.lead .lead-top h3 {
  position: relative;
  left: -11px;
}

.lead .lead-top p {
  font-size: 12px;
  font-style: italic;
  line-height: 18px;
  color: #ffffff;
}

.lead .lead-btm {
  height: 200px;
  margin-top: 2px;
}

.lead .lead-btm li {
  width: 296px;
  height: 200px;
  background-color: #ffffff;
  padding: 23px 25px 0;
}

.lead .lead-btm .icon-box {
  margin-right: 17px;
}

.lead .lead-btm .icon {
  background: url(../images/css_sprites.png) no-repeat;
}

.lead .lead-btm .icon1 {
  width: 47px;
  height: 50px;
  background-position: -0px -0px;
}

.lead .lead-btm .icon2 {
  width: 43px;
  height: 56px;
  background-position: -47px -0px;
}

.lead .lead-btm .icon3 {
  width: 53px;
  height: 55px;
  background-position: -90px -0px;
}

.lead .lead-btm .icon4 {
  width: 55px;
  height: 49px;
  background-position: -143px -0px;
}

.lead .lead-btm li h4 {
  font-size: 18px;
  font-weight: normal;
  line-height: 24px;
  color: #000000;
}

.lead .lead-btm li p {
  font-size: 12px;
  line-height: 20px;
  color: #4d4d4d;
  margin-top: 15px;
}

.news-box {
  margin-bottom: 40px;
}

.news-box .s-title {
  height: 60px;
  padding: 0 29px;
  border-bottom: 1px solid #ebebeb;

}

.news-box .s-title h4 {
  font-family: 'AlimamaShuHeiTiBold';
  font-size: 27px;
  line-height: 27px;
  height: 27px;
  position: relative;
  font-style: italic;
  margin-right: 30px;
}

.news-box .s-title h4 span {
  color: #42579f;
}

.news-box .s-title h4::before {
  display: none;
}

.news-box .s-title li {
  width: 100px;
  height: 30px;
  background-color: #ffd4cc;
  border-radius: 15px;
  font-size: 12px;
  color: #ff7d66;
  margin-right: 7px;
}

.news-box .s-title li:nth-child(2) {
  background-color: #ffe1cc;
  color: #ffa768;
}

.news-box .s-title li:nth-child(3) {
  background-color: #ccffff;
  color: #33c8ff;
}

.news-box .news {
  padding: 30px;
}

.news-box .left {
  width: 100%;
}

.news-box .left>div {
  height: 112px;
}

.news-box .left h5 {
  font-size: 20px;
  color: #000000;
  margin-bottom: 14px;
}

.news-box .left p {
  width: 735px;
  font-size: 14px;
  line-height: 24px;
  color: #4d4d4d;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  /* 几行后显示不开省略 */
  -webkit-line-clamp: 3;
}

.news-box .left p span {
  color: #ff2626;
}

.news-box .left .swiper-pagination-bullet-active {
  background: #ff2626;
}
.news-box .left a h5:hover{
  color: #ff2626;

}
.news-box .right {
  margin-left: 40px;
  flex-shrink: 0;
}
.activity{
  margin-bottom: 40px;
  display: none;
}
.activity .new_act {
  height: 328px;
  padding: 0 30px 30px;
}
.activity .new_act > div {
  width: 270px;
  height: auto;
  background: #ffffff url(../img//li_bg.png) no-repeat;
  background-position: -10px 117px;
  cursor: pointer;
  transition: all 0.4s;
  position: relative;
  margin-right: 20px;
  display: block;
  /* top: 0; */
  border: solid 1px #f0f0f0;
  transition: all 0.2s;
}

.activity .new_act > div:hover {
  /* top: -7px; */
  transition: all 0.2s;
  box-shadow: 0px 0px 17px 0px rgb(12 4 7 / 12%);
}
.activity .new_act > div:nth-child(4n) {
  margin-right: 0;
}
.activity .new_act > div .label {
  overflow: hidden;
  padding: 0 10px;
}


.activity .new_act > div a {
  width: 100%;
  height: 100%;
  color: #333333;
  display: block;
  padding: 0 0 20px 0;
}
.activity .new_act > div .left {
  width: 100%;
  /* height: 140px; */
  flex-shrink: 0;
  display: block;
}

.activity .new_act > div .img {
  width: 100%;
  height: 162px;
  background-color: #808080;
  /* margin-right: 24px; */
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.activity .new_act > div .img img {
  /* height: 100%; */
  width: 100%;
}

.activity .new_act > div .mid {
  width: 100%;
  height: 100%;
  position: relative;
}

.activity .new_act > div .title {
  width: 100%;
  font-size: 16px;
  color: #333333;
  /* margin-bottom: 10px; */
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  /* é?‘????”‘é??????¨‰??€è?°??‰?????é??????? */
  -webkit-line-clamp: 2;
  font-weight: 400;
  line-height: 23px;
  height: 46px;
  margin: 12px 0 18px;
  padding: 0 10px;
}

.activity .new_act > div .label {
  color: #898888;
  width: 181px;
  height: 15px;
  font-size: 13px;
  line-height: 15px;
  margin-top: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  background: url(https://www.igo.cn/study/live/img/tags.png) no-repeat;
  background-size: 15px auto;
  background-position: 10px center;
  padding: 0 10px 0 30px;
}
.activity .new_act > div .label img {
  width: 15px;
  margin-right: 10px;
}
.activity .new_act > div .date {
  font-size: 13px;
  color: #898888;
  height: 15px;
  padding: 0 10px;
  line-height: 15px;
  background: url(https://www.igo.cn/study/live/img/date.png) no-repeat;
  background-size: 15px auto;
  background-position: 10px center;
  padding: 0 10px 0 30px;
}
.activity .new_act > div .date img {
  width: 15px;
  margin-right: 10px;
}
.activity .new_act > div .btn_box {
  position: absolute;
  bottom: 16px;
  right: 10px;
}

.activity .new_act > div .btn {
  width: 94px;
  height: 35px;
  font-size: 16px;
  /* font-weight: 700; */
  border-radius: 19px;
  transition: all 0.3s;
  color: #c08a36;
  background: #f5e1c2 ;
  font-family: "AlibabaPuHuiTiBold";
}
.activity .new_act > div .btn.end {
  background-color: #9b9b9b;
  border: 1px solid #9b9b9b;
}
.activity .new_act > div .btn:hover {
  color: #ffffff ;
  background: #ff2626 ;
  transition: all 0.3s;
}
.activity .new_act > div .btn.end:hover {
  background: #ff2626;
  color: #ffffff;
}
.activity .new_act > div.end .btn {
  color: #ffffff;
  background: #afafaf;
  border: 1px solid #afafaf;
}
.activity .new_act > div.end .btn {
  background: #afafaf;
  border: 1px solid #afafaf;
}
.offer {
  margin-bottom: 80px;
}

.offer-list {
  padding: 0 30px 30px;
}

.offer-list .thead {
  height: 50px;
  background-color: #42579f;
  font-size: 16px;
  color: #ffffff;
}

.offer-list .thead div {
  height: 30px;
  border-right: 1px solid rgba(255, 255, 255, .3);
}

.offer-list .w1 {
  width: 116px;
}

.offer-list .w2 {
  width: 277px;
}

.offer-list .w3 {
  width: 360px;
}

.offer-list .w4 {
  width: 161px;
}

.offer-list .w5 {
  width: 171px;
}

.offer-list .w6 {
  width: 236px;
}

.offer-list .w7 {
  width: 151px;
}

.offer-list .tbody {
  overflow: hidden;
  height: 400px;
}

.offer-list .tbody>div {
  position: relative;
}

.offer-list ul {
  height: 40px;
  background-color: #f5f5f5;
  font-size: 14px;
  color: #4d4d4d;
}

.offer-list ul.a {
  background-color: #ededed;
}

.offer-list ul li:last-child {
  text-decoration: underline;
  color: #ff2626;
}

.offer-list ul li:last-child:hover {
  font-weight: 700;
  cursor: pointer;
}

.partner {
  width: 100%;
  height: 560px;
  background: url(../images/partner.jpg) no-repeat;
  background-position: center;
  padding-top: 62px;
}

.partner h3 {
  font-family: 'AlimamaShuHeiTiBold';
  font-size: 35px;
  line-height: 35px;
  color: #ffffff;
  margin-bottom: 65px;
}

.partner ul {
  flex-wrap: wrap;
  width: 1200px;
  margin: 0 auto;
  align-items: flex-start;
}

.partner ul li {
  width: 180px;
  height: 100px;
  background-color: #ffffff;
  margin-bottom: 20px;
}

.partner ul li .more {
  width: 60px;
  height: 30px;
  border: solid 1px #ff2626;
  font-size: 14px;
  color: #ff2626;
}

.teacher {
  margin-top: -100px;
  margin-bottom: 40px;
}

.teacher .swiper {
  padding: 10px 30px 45px;
}

.teacher .list li {
  text-align: center;
}

.teacher .list li p.name {
  font-size: 16px;
  line-height: 16px;
  margin-top: 17px;
  margin-bottom: 12px;
  color: #666666;
}

.teacher .list li p.position {
  font-size: 14px;
  line-height: 14px;
  color: #666666;
}

.lesson {
  margin-bottom: 40px;
}

.lesson ul {
  flex-wrap: wrap;
  align-items: flex-start;
  padding: 0 30px 10px;
}

.lesson ul li {
  width: 270px;
  margin-right: 20px;
  margin-bottom: 20px;
}

.lesson ul li:nth-child(4n) {
  margin-right: 0;
}

.lesson ul li .img {
  height: 160px;
  background-color: #2e3482;
  position: relative;
}

.lesson ul li .img h4 {
  position: absolute;
  top: 35px;
  left: 22px;
  font-family: 'AlimamaShuHeiTiBold';
  font-size: 26px;
  font-weight: 700;
  color: #ffffff;
  width: 165px;
  height: 89px;
  padding: 0 29px;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;

}

.lesson ul li .detail {
  height: 134px;
  background-color: #ffffff;
  border: solid 1px #ebebeb;
  padding: 19px 20px 0;
}

.lesson ul li .detail h4 {
  font-size: 16px;
  font-weight: normal;
  color: #333333;
  line-height: 16px;
}

.lesson ul li .tags {
  overflow: hidden;
}

.lesson ul li .tags span {
  width: auto;
  height: 45px;
  font-size: 12px;
  color: #b2b2b2;
  padding-left: 10px;
  margin-bottom: 5px;
  flex-shrink: 0;
}

.lesson ul li .tags span:nth-child(1) {
  padding-left: 0;
}

.lesson ul li .btn-box {
  padding: 0 6px;
}

.lesson ul li .btn-box .btn {
  width: 100px;
  height: 30px;
  border-radius: 15px;
  background: #f5e1c2 url(../images/icon10.png) no-repeat;
  background-size: 14px;
  background-position: 17px center;
  color: #c08a36;
  font-size: 12px;
  overflow: hidden;
  cursor: pointer;
  padding-left: 19px;
}

.lesson ul li .btn-box .btn:hover {
  color: #ffffff;
  background: #ff2626 url(../images/icon11.png) no-repeat;
  background-size: 14px;
  background-position: 17px center;
}

.lesson ul li .btn-box>div a {
  color: #c08a36;
}

.project-box {
  margin-bottom: 40px;
}

.project {
  padding: 0 30px 30px;
}

.project ul {
  flex-wrap: wrap;
}

.project ul li {
  margin-bottom: 20px;
  cursor: pointer;
}

.project ul li.nomar {
  margin-bottom: 0;
}

.project>a {
  width: 300px;
  margin-left: 20px;
  flex-shrink: 0;
}
.video-box {
  margin-bottom: 40px;
}
.video-box div.videos {
  padding: 0 30px 30px;
  position: relative;
}

.video-box div.videos .video {
  width: 220px;
  height: 391px;
  background-color: #000000;
  position: relative;
  cursor: pointer;
  border-radius: 6px;
  /* margin-right: 33px; */
  flex-shrink: 0;
  border-radius: 6px;
  overflow: hidden;
}

.video-box div.videos .video:last-child {
  margin-right: 0;
}

.video-box div.videos video {
  width: 100%;
  height: 100%;
  border-radius: 6px;
}

.video-box div.videos img {
  z-index: -1;
}

.video-box div.videos .video p {
  width: 100%;
  position: absolute;
  bottom: 0;
  height: 60px;
  background: rgba(0, 0, 0, .8);
  padding: 0 15px;
  z-index: 10;
  box-sizing: border-box;
}

.video-box div.videos .video p span {
  font-size: 14px;
  line-height: 20px;
  color: #ffffff;
  text-align: center;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  /* 几行后显示不开省略 */
  -webkit-line-clamp: 2;
}

.video-box div.videos .video a:after {
  content: "";
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  background: rgba(0, 0, 0, .35);
  z-index: 9;
}

.video-box div.videos .video:hover img {
  width: 45px;
  z-index: 10;
}

.video-box div.videos .loading {
  height: 100%;
  width: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 5;
}

.video-box div.live .loading img {
  width: 100px;
  /*animation: spin infinite 2s;*/
}

/* 2022.9.27新增新通微谈模块 END*/
.service {
  width: 100%;
  height: 740px;
  background: url(../images/service.jpg) no-repeat;
  background-position: center;
  padding-top: 62px;
}

.service h3 {
  font-family: 'AlimamaShuHeiTiBold';
  font-size: 35px;
  line-height: 35px;
  color: #ffffff;
  margin-bottom: 65px;
}

.service .content {
  width: 1200px;
  margin: 0 auto;
  height: 500px;
  background-color: #ffffff;
  padding: 30px;
  align-items: stretch;
}

.service .icon-box {
  width: 70px;
  height: 70px;
  background-color: #e6e9f5;
  border-radius: 70px;
  flex-shrink: 0;
  margin-right: 20px;
}

.service .icon {
  background: url(../images/css_sprites.png) no-repeat;
}

.service .icon1 {
  width: 39px;
  height: 43px;
  background-position: -198px -0px;
}

.service .icon2 {
  width: 44px;
  height: 42px;
  background-position: -237px -0px;
}

.service .icon3 {
  width: 40px;
  height: 49px;
  background-position: -281px -0px;
}

.service .icon4 {
  width: 27px;
  height: 47px;
  background-position: -321px -0px;
}

.service .icon5 {
  width: 50px;
  height: 50px;
  background-position: -348px -0px;
}

.service .same:nth-child(1) {
  margin-right: 45px;
  flex-shrink: 0;
}

.service .same:nth-child(3) {
  margin-left: 45px;
  flex-shrink: 0;
}

.service .same li {
  position: relative;
}

.service .same li:nth-child(1) {
  margin-bottom: 24px;
}

.service .same li:nth-child(2) img {
  position: absolute;
  top: -24px;
  right: 23px;
}

.service .same .top {
  margin-bottom: 17px;
}

.service .same .step {
  font-size: 18px;
  line-height: 18px;
  color: #000000;
  margin-bottom: 10px;
}

.service .same .desc {
  font-size: 16px;
  line-height: 22px;
  color: #000000;
}

.service .same .txt {
  width: 260px;
  height: 120px;
  background-color: #e6e9f5;
  font-size: 14px;
  line-height: 20px;
  color: #333333;
  flex-direction: column;
  align-items: flex-start;
  padding: 0 40px 0 24px;
}

.service .other {
  width: 100%;
  flex-wrap: wrap;
  align-items: flex-start;
  padding-top: 40px;
  height: 330px;
  position: relative;
}

.service .other li {
  width: 260px;
  height: 160px;
  align-items: flex-end;
  margin-bottom: 10px;
}

.service .other li:nth-child(1) {
  margin-bottom: 0;
}

.service .other li:nth-child(2) .top,
.service .other li:nth-child(3) .top,
.service .other :nth-child(4) .top {
  width: 260px;
  height: 40px;
  background-color: #42579f;
  color: #ffffff;
  margin-bottom: 0;
}

.service .other li .txt {
  padding-right: 10px;
}

.service .other li p span {
  margin-left: 50px;
}

.service .other .arrow2 {
  position: absolute;
  left: -45px;
  top: 139px;
}

.service .other .arrow1 {
  position: absolute;
  right: -30px;
  top: 142px;
  transform: rotateZ(-90deg);
}

.group-intr {
  width: 100%;
  background: none;
  padding-top: 65px;
  padding-bottom: 45px;
}

.group-intr .content {
  width: 1200px;
  margin: 0px auto;
}

.group-intr .intr_title {
  text-align: center;
  padding-bottom: 20px;
  border-bottom: 1px solid #e6e6e6;
  font-size: 20px;
  line-height: 20px;
  font-weight: normal;
  color: #000000;
}

.group-intr ul {
  margin-top: 45px;
}

.group-intr li {
  width: 19%;
}

.group-intr li p {
  font-size: 13px;
  line-height: 20px;
  color: #4d4d4d;
  margin-left: 15px;
  word-break: break-all;
}