.main_body {
  min-height: auto;
  margin-top: 0;
  padding: 0;
}
@media screen and (min-width: 750px) {
  .main_content_mobile {
    display: none;
  }
  .pc_banner {
    width: 100%;
  }
  .pc_banner_img {
    height: 330px;
  }
  .pc_banner_img img {
    width: 100%;
    height: 100%;
  }
  .banner_nav {
    /* background: url(/images/hengtiao_lan.png) center no-repeat; */
    /* background: #1d70c3; */
  }
  .banner_nav .list {
    width: 1200px;
    display: flex;
    justify-content: space-between;
    height: 48px;
    align-items: center;
    text-align: center;
    margin: auto;
  }
  .banner_nav .list .item {
    flex: 1;
    font-size: 24px;
    font-weight: 600;
    color: #FFFFFF;
    border-right: 2px solid #fff;
    line-height: 32px;
    height: 32px;
  }
  .banner_nav .list .item:last-child {
    border-right: 0;
  }
  .banner_nav .list .item.cur {
    border-right: 0;
  }
  .section_box .clearfix {
    width: calc(100% - 100px);
    margin: auto;
    clear: both;
    content: "";
    display: block;
    overflow: hidden;
    display: flex;
  }
  .more {
    text-align: center;
    margin-top: 30px;
  }
  .more span {
    display: inline-block;
    width: 150px;
    height: 36px;
    line-height: 36px;
    background: #F7F8FA;
    border-radius: 8px;
  }
  .more.more1 {
    margin-top: 0;
  }
  .section {
    width: 1200px;
    margin: 0 auto;
  }
  .section_box {
    margin-top: 30px;
    margin-bottom: 50px;
  }
  .section_top {
    margin-top: 40px;
  }
  .section_top h4 {
    font-weight: bold;
    font-size: 32px;
    color: #333333;
    line-height: 45px;
    width: calc(100% - 100px);
    margin: auto;
  }
  .section_top p {
    font-weight: 400;
    font-size: 16px;
    color: #333333;
    line-height: 32px;
    margin-bottom: 14px;
    width: calc(100% - 100px);
    margin: auto;
  }
  .section_top > img {
    width: 100%;
    height: 100%;
    display: block;
    width: calc(100% - 100px);
    margin: 20px auto;
  }
  .section_top_info {
    margin-top: 20px;
  }
  .section_top .info.fl {
    width: 610px;
    float: left;
  }
  .section_top .info.fr {
    width: 460px;
    float: right;
  }
  .section_top .info.fr .video-player {
    width: 100%;
    height: 300px;
  }
  .section_top .info_item {
    border-bottom: 1px solid #979797;
    margin-top: 22px;
  }
  .section_top .info_item h5 {
    height: 24px;
    font-weight: bold;
    font-size: 18px;
    color: #333333;
    line-height: 24px;
    margin-bottom: 15px;
  }
  .section_top .info_item h5 a {
    display: block;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    padding-right: 30px;
  }
  .section_top .info_item span {
    margin-bottom: 22px;
    height: 20px;
    font-size: 16px;
    color: #666666;
    line-height: 20px;
    display: inline-block;
    margin-right: 28px;
  }
  .section_top .info_item:first-child {
    margin-top: 13px;
  }
  .section_top .info_item:last-child {
    border-bottom: 0;
  }
  .section_box>.title {
    background: #1468bf;
    /* background: url(/images/image2.png) center no-repeat; */
    height: 80px;
    width: 100%;
    margin-bottom: 30px;
  }
  .section_box .right_content_item{
  width: calc(100% - 100px);
    margin: auto;
  }
  .section_box .right_content_item > a {
    margin-bottom: 20px;
    display: block;
    padding-bottom: 20px;
    border-bottom: 1px solid #D8D8D8;
}
  .section_box .right_content_item a .title {
    font-weight: bold;
    font-size: 18px;
    color: #333333;
    line-height: 26px;
}
  .section_box .right_content_item a .other {
    font-size: 14px;
    color: #999999;
    line-height: 18px;
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
}
  .section_box .title span {
    font-weight: bold;
    font-size: 34px;
    color: #FFFFFF;
    margin-left: 20px;
    line-height: 80px;
  }
  .classic_case .act.fl {
    /* width: 500px; */
    float: left;
    flex: 1;
    margin-right: 40px;
  }
  .classic_case .act.fl .video-player {
    width: 500px;
    height: 326px;
  }
  .classic_case .act.fr {
    width: 560px;
    float: right;
    flex: 1;
  }
  .classic_case .act_item {
    
  }
  .classic_case .act_item h5 {
    height: 24px;
    font-weight: bold;
    font-size: 18px;
    color: #333333;
    line-height: 24px;
  }
  .classic_case .act_item div {
    font-size: 16px;
    color: #666666;
    line-height: 21px;
    margin-bottom: 28px;
    display: flex;
    justify-content: space-between;
  }
  .classic_case .act_item div span {
    margin-top: 15px;
    display: inline-block;
    margin-right: 0;
  }
  .classic_case .act_item h5 a {
    display: block;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    padding-right: 0;
  }
  .features_activities_swiper {
    position: relative;
  }
  .features_activities_swiper .swiper-button-prev,
  .features_activities_swiper .swiper-button-next {
    color: #1468BF;
    width: 50px;
    height: 50px;
    background: #F7F8FA;
    border-radius: 50%;
    line-height: 50px;
    text-align: center;
    font-size: 16px;
    user-select: none;
  }
  .features_activities_swiper .swiper-button-prev {
    left: 70px;
  }
  .features_activities_swiper .swiper-button-next {
    right: 70px;
  }
  .features_activities_swiper .features_activities_box {
    box-sizing: border-box;
    width: calc(100% - 284px);
    height: 415px;
    display: block;
    overflow: hidden;
  }
  .features_activities_swiper .features_activities_box .swiper-wrapper {
    height: 415px;
  }
  .features_activities_swiper .features_activities_box .swiper-slide {
    height: 415px;
  }
  .features_activities_swiper .features_activities_box .activity_item {
    float: left;
    width: 740px;
    height: 415px;
  }
  .features_activities_swiper .features_activities_box .activity_item .item {
    height: 415px;
    margin: 0 auto;
  }
  .features_activities_swiper .features_activities_box .activity_item .item img {
    width: 740px;
    height: 415px;
    cursor: pointer;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .recomment_works .recomment_works_fl {
    width: 590px;
    height: 100%;
    float: left;
  }
  .recomment_works .recomment_works_fl video {
    width: 100%;
    height: 385px;
  }
  .recomment_works .recomment_works_fr {
    width: 480px;
    float: right;
    margin-left: 30px;
  }
  .recomment_works .recomment_works_item {
    margin-bottom: 1px;
    height: 76px;
    line-height: 76px;
    font-size: 18px;
    color: #333333;
    background: #F7F8FA;
    padding-left: 60px;
  }
  .recomment_works .recomment_works_item p a {
    display: block;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
  }
  .recomment_works .recomment_works_item.active {
    font-weight: bold;
    font-size: 24px;
    color: #1468BF;
    background: #D7E3EF;
    border-left: 15px solid #1468BF;
    padding-left: 45px;
    padding-right: 30px;
  }
  .recomment_works .recomment_works_item.active a{
    color: #1468BF;
  }
  .teaching_works {
    width: calc(100% - 100px);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin: auto;
  }
  .teaching_works img {
    width: 100%;
    height: 327px;
  }
  .video-player {
    position: relative;
    width: 100%;
    /* height: 327px; */
}
  .teaching_works .works_item {
    width: 535px;
    margin-bottom: 10px;
    display: inline-block;
  }
  .teaching_works .works_item .name {
    font-size: 18px;
    color: #333333;
    line-height: 24px;
    margin-top: 15px;
    margin-bottom: 18px;
    display: block;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    padding-right: 30px;
  }
  .before_works .swiper-father {
    position: relative;
  }
  .before_works .swiper-father .swiper-button-prev,
  .before_works .swiper-father .swiper-button-next {
    color: #1468BF;
    width: 50px;
    height: 50px;
    background: #F7F8FA;
    border-radius: 50%;
    line-height: 50px;
    text-align: center;
    font-size: 16px;
    user-select: none;
  }
  .before_works .swiper-father .swiper-button-prev {
    left: -10px;
  }
  .before_works .swiper-father .swiper-button-next {
    right: -10px;
  }
  .before_works .swiper-father .activity_item_box {
    box-sizing: border-box;
    width: calc(100% - 100px);
    height: 255px;
    display: block;
    overflow: hidden;
  }
  .before_works .swiper-father .activity_item_box .swiper-wrapper {
    height: 255px;
  }
  .before_works .swiper-father .activity_item_box .swiper-slide {
    height: 255px;
  }
  .before_works .swiper-father .activity_item_box .activity_item {
    float: left;
    width: 100%;
    height: 255px;
  }
  .before_works .swiper-father .activity_item_box .activity_item .item {
    height: 204px;
    margin: 0 auto;
    position: relative;
  }
  .before_works .swiper-father .activity_item_box .activity_item .item img {
    width: 100%;
    height: 204px;
    cursor: pointer;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .before_works .swiper-father .activity_item_box .activity_item .item_title {
    line-height: 24px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 18px;
    color: #333;
    font-style: normal;
    text-align: left;
    font-weight: 400;
    margin-top: 14px;
  }
}
@media screen and (max-width: 750px) {
  .main_content_pc {
    display: none;
  }
  .main_content_mobile {
    display: block;
  }
  .mobile_banner .mobile_banner_img {
    height: 1.46rem;
    width: 100%;
    background: #69AFDE;
    background-size: cover!important;
  }
  .mobile_banner .mobile_banner_text {
    padding-left: 0.25rem;
    width: 1.6rem;
    color: #fff;
    padding-top: 0.5rem;
  }
  .mobile_banner .banner_num {
    font-size: 0.24rem;
    font-weight: bold;
  }
  .mobile_banner .banner_name {
    font-size: 0.16rem;
    font-weight: bold;
  }
  .mobile_banner_nav {
    background: #0A5DB1;
    width: 100%;
    height: 0.25rem;
    line-height: 0.25rem;
    opacity: 0.9;
  }
  .mobile_banner_nav ul {
    white-space: nowrap;
    overflow-x: auto;
  }
  .mobile_banner_nav ul li {
    font-size: 0.16rem;
    color: #fff;
    border-right: 0.02rem solid #fff;
    padding: 0 0.29rem;
    display: inline-block;
    height: 0.12rem;
    line-height: 0.1rem;
  }
  .mobile_banner_nav ul li a {
    color: #fff;
  }
  .mobile_banner_nav ul li:last-child {
    border-right: 0;
  }
  .mobile_section .bac_title {
    font-weight: bold;
    font-size: 0.24rem;
    color: #FFFFFF;
    line-height: 0.31rem;
    padding: 0.15rem 0 0.14rem 0.2rem;
    background: #012E90;
    background: url(/images/image2.png) center no-repeat;
    margin-bottom: 0.2rem;
  }
  .mobile_section .look_more {
    font-size: 0.14rem;
    color: #666;
    width: 100%;
    height: 0.42rem;
    background: #F7F8FA;
    border-radius: 0.08rem;
    line-height: 0.42rem;
    text-align: center;
  }
  .mobile_section .theme {
    background: #fff;
    padding: 0.13rem 0.15rem 0.2rem;
  }
  .theme h4 {
    font-size: 0.18rem;
    font-weight: bold;
    color: #333333;
    line-height: 0.28rem;
    margin-bottom: 0.1rem;
  }
  .theme p {
    font-size: 0.16rem;
    color: #333333;
    line-height: 0.24rem;
    margin-bottom: 0.16rem;
  }
  .theme img {
    width: 100%;
    height: auto;
  }
  .theme ul {
    margin-top: 0.14rem;
  }
  .theme ul li {
    border-bottom: 0.01rem solid #E5E5E5;
  }
  .theme ul li:last-child {
    border-bottom: 0;
  }
  .theme ul li h5 {
    font-weight: bold;
    font-size: 0.18rem;
    color: #333333;
    line-height: 0.28rem;
    margin-top: 0.13rem;
  }
  .theme ul li div {
    display: flex;
    font-size: 0.14rem;
    color: #999999;
    line-height: 0.19rem;
    margin: 0.13rem 0 0.17rem;
    justify-content: space-between;
  }
  .theme ul li .time {
    margin-left: 0.38rem;
  }
  .mobile_section .video-player {
    display: block;
    width: 100%;
    height: auto;
  }
  .case {
    background: #fff;
    padding: 0.2rem 0.15rem 0.2rem;
    margin-top: 0.1rem;
  }
  .case .video-player {
    /* width: 3.45rem; */
    height: 1.95rem;
  }
  .case_content {
    margin-top: 0.14rem;
    margin-bottom: 0.2rem;
  }
  .case_content li {
    border-bottom: 0.01rem solid #E5E5E5;
    margin-top: 0.14rem;
  }
  .case_content li:last-child {
    border-bottom: 0;
  }
  .case_content .case_title {
    font-weight: bold;
    font-size: 0.18rem;
    color: #333333;
    line-height: 0.28rem;
  }
  .case_content .case_source {
    font-size: 0.14rem;
    color: #999999;
    line-height: 0.19rem;
    margin: 0.13rem 0 0.17rem;
  }
  .case_content .case_time {
    margin-left: 0.38rem;
  }
  .features_activities {
    background: #fff;
    padding: 0.2rem 0.15rem 0.2rem;
    margin-top: 0.1rem;
  }
  .features_activities .features_activities_swiper {
    position: relative;
  }
  .features_activities .features_activities_swiper .swiper-button-prev,
  .features_activities .features_activities_swiper .swiper-button-next {
    color: #1468BF;
    width: 0.16rem;
    height: 0.16rem;
    background: #F7F8FA;
    border-radius: 50%;
    line-height: 0.14rem;
    text-align: center;
    font-size: 0.12rem;
    user-select: none;
  }
  .features_activities .features_activities_swiper .swiper-button-prev {
    left: 0;
    margin-top: -0.05rem;
  }
  .features_activities .features_activities_swiper .swiper-button-next {
    right: 0;
    margin-top: -0.05rem;
  }
  .features_activities .features_activities_box_m {
    box-sizing: border-box;
    width: calc(100% - 0.46rem);
    height: 1.35rem;
    display: block;
    overflow: hidden;
    margin-bottom: 0.2rem;
  }
  .features_activities .features_activities_box_m .swiper-wrapper {
    height: 1.35rem;
  }
  .features_activities .features_activities_box_m .swiper-slide {
    height: 1.35rem;
  }
  .features_activities .features_activities_box_m .activity_item {
    float: left;
    width: 3rem;
    height: 1.35rem;
  }
  .features_activities .features_activities_box_m .activity_item .item {
    height: 1.35rem;
    margin: 0 auto;
    position: relative;
  }
  .features_activities .features_activities_box_m .activity_item .item img {
    width: 2.4rem;
    height: 1.35rem;
    cursor: pointer;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .recommend_works {
    background: #fff;
    padding: 0.2rem 0.15rem 0.2rem;
    margin-top: 0.1rem;
  }
  .recommend_works li {
    font-size: 0.18rem;
    color: #333333;
    line-height: 0.28rem;
    padding: 0.15rem 0 0.15rem;
    border-bottom: 0.01rem solid #E5E5E5;
  }
  .recommend_works li.active {
    font-size: 0.2rem;
    font-weight: bold;
    color: #0A5DB1;
    padding-bottom: 0.15rem;
    border-bottom: 0.01rem solid #E5E5E5;
  }
  .recommend_works li:last-child {
    border-bottom: 0;
  }
  .teaching_works,
  .before_works {
    background: #fff;
    padding: 0.2rem 0.15rem 0.2rem;
    margin-top: 0.1rem;
  }
  .teaching_works .teaching_works_flex {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
  }
  .teaching_works .teaching_works_flex .flex_box {
    margin-bottom: 0.18rem;
    width: 48%;
  }
  .teaching_works_flex .video-player {
    position: relative;
    display: block;
    width: 100%;
    height: 1rem;
  }
.video-player::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0.4rem;
    height: 0.4rem;
    transform: translate(-50%, -50%);
    margin: 0;
    z-index: 999;
    background-image: url(
    '/images/icon_video_play.png');
    background-size: cover;
}
  .teaching_works_flex .flex_box_span {
    font-size: 0.14rem;
    color: #333333;
    line-height: 0.2rem;
    display: inline-block;
    margin-top: 0.06rem;
  }
  .before_works .swiper-father {
    position: relative;
  }
  .before_works .swiper-father .swiper-button-prev,
  .before_works .swiper-father .swiper-button-next {
    color: #1468BF;
    width: 0.2rem;
    height: 0.2rem;
    background: #F7F8FA;
    border-radius: 50%;
    line-height: 0.14rem;
    text-align: center;
    font-size: 0.12rem;
    user-select: none;
  }
  .before_works .swiper-father .swiper-button-prev {
    left: 0;
  }
  .before_works .swiper-father .swiper-button-next {
    right: 0;
  }
  .before_works .swiper-father .activity_item_box_m {
    box-sizing: border-box;
    width: calc(100% - 0.46rem);
    height: 1.2rem;
    display: block;
    overflow: hidden;
  }
  .before_works .swiper-father .activity_item_box_m .swiper-wrapper {
    height: 1.2rem;
  }
  .before_works .swiper-father .activity_item_box_m .swiper-slide {
    height: 1.2rem;
    /* margin-right: 0.1rem!important; */
  }
  .before_works .swiper-father .activity_item_box_m .activity_item {
    float: left;
    width: 100%;
    height: 1.2rem;
  }
  .before_works .swiper-father .activity_item_box_m .activity_item .item {
    width: 100%;
    height: 0.73rem;
    margin: 0 auto;
    position: relative;
  }
  .before_works .swiper-father .activity_item_box_m .activity_item .item img {
    width: 100%;
    height: 0.73rem;
    cursor: pointer;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .before_works .swiper-father .activity_item_box_m .activity_item .item_title {
    line-height: 0.19rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.14rem;
    color: #333333;
    text-align: center;
    font-weight: 400;
    margin-top: 0.06rem;
  }
}

/*# sourceMappingURL=event.css.map */
<!--ºÄÊ±1755098160.0859Ãë-->