@media screen and (max-width: 750px) {
  html {
    font-size: 13.3333333vw;
  }
  body {
    width: 100vw;
    background: #0d107c;
  }
  .wrap {
    width: 100%;
  }
  .m-show {
    display: block;
  }

  .pc_show,
  .pc-show-line,
  .activity-bg,
  .activity-bg1,
  .footer,
  .m_hide {
    display: none;
  }
  .mr80 {
    margin-right: 0;
  }
  .banner_sub_p,
  #siteTop,
  #banner,
  .bdsharebuttonbox,
  .live_box_p {
    display: none;
  }
  .header_menu {
    display: none;
  }
  .m_banner,
  #step,
  #main_box,
  #live_box_m {
    position: relative;
    top: -1rem;
    display: block;
  }
  .pc_show {
    display: none;
  }
  .bannerM,
  .pc_hide {
    display: block;
  }
  .displayBlock {
    display: block;
  }
  header {
    position: fixed;
    z-index: 9;
    top: 0;
    left: 0;
    right: 0;
    height: 0.8rem;
    margin-right: 0 !important;
    background-color: #0f0850;
    z-index: 999;
  }
  header .logo {
    display: flex;
    align-items: center;
    height: 0.8rem;
  }
  header .logo img {
    width: 0.95rem;
    padding-left: 0.2rem;
  }
  header .logo img.logo1 {
    width: 1.1rem;
    margin-right: 6px;
  }
  header .menu {
    flex-direction: column;
    align-items: start;
    line-height: 0.8rem;
    position: fixed;
    top: 0;
    right: 0;
    font-size: 0.32rem;
    height: 0.8rem;
    background: #01025f;
  }
  header .menu > a,
  header .menu > span {
    display: none;
  }
  header .menu .drop.active {
    background: #04057c;
  }
  header .menu .drop.active .item {
    background: #0717ab;
  }
  header .menu .enter {
    display: block;
    order: -1;
    width: 1.8rem !important;
    height: 0.8rem;
    padding: 0;
    line-height: 0.88rem;
    text-align: center;
    border-radius: 0;
    text-indent: 0 !important;
    background: url(../images/mobile/m-btn1.png) center no-repeat;
    background-size: contain;
    margin-left: 0;
    margin-right: 1rem;
  }
  header .menu::after {
    position: absolute;
    top: 0.4rem;
    right: 0.3rem;
    content: "";
    margin-top: -10px;
    width: 20px;
    height: 14px;
    border-top: 2px solid #fff;
    background: linear-gradient(
      transparent 6px,
      #fff 6.1px,
      #fff 8px,
      transparent 8.1px,
      transparent
    );
    border-bottom: 2px solid #fff;
  }
  header .menu.active::after {
    border: none;
    content: "×";
    font-size: 34px;
    line-height: 1;
    margin-top: -17px;
    height: auto;
    width: auto;
    font-weight: 400;
    background: transparent;
  }
  header .menu.active {
    height: 100vh;
  }
  header .menu.active > a,
  header .menu.active > span {
    padding: 0;
    display: block;
    width: 2.8rem;
    font-size: 0.24rem;
    margin-left: 0;
  }
  header .menu .drop {
    line-height: inherit;
  }
  header .menu .drop::after {
    display: none;
  }
  header .menu .drop::before {
    display: inline-block;
    content: "";
    width: 5px;
    height: 5px;
    vertical-align: middle;
    margin: 0 5px 0 -10px;
    transform: rotate(45deg);
    border-bottom: 1px solid #999;
    border-left: 1px solid #999;
  }
  header .menu .drop .item {
    left: 0;
    transform: translateX(100vw);
  }
  header .menu .drop.active .item {
    position: fixed;
    top: 0.8rem;
    right: 2.8rem;
    left: auto;
    height: 100vh;
    width: calc(100vw - 4rem);
    line-height: inherit;
    transform: translateX(0);
    background-color: inherit;
    font-size: 0.24rem;
  }
  header .menu .drop .item > a {
    padding: 0.15rem 0.3rem;
    white-space: normal;
    line-height: 1.8;
    text-indent: 0;
  }

  .a_position {
    position: absolute;
    top: -1.1rem;
    width: 1px;
    height: 1px;
  }
  .bannerM {
    width: 100%;
    height: 3.75rem;
    background: url(../images/mobile/banner_m.png) no-repeat;
    background-size: 100% 3.75rem;
    margin-top: 0.8rem;
    position: relative;
  }
  .m_banner {
    position: absolute;
    top: 74%;
    left: 6%;
    width: 1.72rem;
    height: 0.56rem;
    border-radius: 25px;
    background: url(../images/mobile/m-btn2.png) no-repeat;
    background-size: contain;
    text-align: center;
    line-height: 0.5rem;
  }
  .apply_m {
    display: block !important;
    background: #1e7ce7 !important;
    text-align: center;
    color: #fff !important;
    margin-top: 0;
    width: 2rem;
    padding: 6px 0;
    border-radius: 25px;
    margin-left: 1.2rem;
  }
  .activity_content {
    padding: 0 10px;
    box-sizing: border-box;
  }

  /* 标题 */
  .title {
    margin: 0 0 0.28rem 0 !important;
    font-size: 0.4rem;
  }

  .title img {
    width: 0.98rem;
  }
  .title span {
    font-size: 0.5rem;
  }
  .title .fl_title h2 {
    font-size: 0.3rem;
    line-height: 0.26rem;
    font-weight: 800;
  }
  .title .fl_title p {
    font-size: 0.16rem;
    color: #7d839c;
    margin-top: 0.1rem;
  }

  .concat_content {
    display: block;
  }
  .concat_content > div {
    justify-content: space-between;
  }
  .concat_content .concat_user > span:first-child {
    font-size: 0.28rem;
  }
  .concat_box .wrap div span {
    font-size: 0.3rem;
    margin: auto 0;
  }

  .concat_box {
    padding: 0.7rem 0.3rem 0.78rem 0.3rem;
  }
  .concat_box .flex {
    margin-top: 0;
    display: block;
  }

  .concat_box .contanct-us .m_show {
    margin-top: 0;
    display: block;
    margin-bottom: 0.56rem;
  }
  .emial-phone > div > p {
    margin-bottom: 0.34rem;
  }
  .emial-phone > div > p img {
    width: 0.46rem;
    height: 0.46rem;
  }
  .qr-code-box {
    padding-left: 0.13rem;
  }
  .qr-code-box > div > img {
    width: 2.64rem;
    height: 2.65rem;
  }
  .qr-code-box > div:nth-child(1) {
    margin-right: 0.82rem;
  }

  .qr-code-box > div > p {
    font-size: 0.24rem;
    line-height: 0.32rem;
    margin-top: 0.3rem;
  }
  .emial-phone
  /* 大会数据 */
  .num-statistics-m {
    position: relative;
    padding: 0 0.3rem;
  }
  .num-statistics {
    position: relative;
    top: 0rem;
    left: 0rem;
    right: 0rem;
    width: 6.9rem;
    height: 1.6rem;
    margin-top: 0.6rem;
    margin-bottom: 0.77rem;
    padding: 0.4rem 0;
  }

  .num-statistics .statistics-item {
    padding-left: 0rem;
    text-align: center;
  }

  .num-statistics .statistics-item p:nth-child(1) {
    font-size: 0.24rem;
    font-weight: 500;
    padding-left: 0px;
    margin-left: -0rem;
  }
  .num-statistics .statistics-item p:nth-child(2) {
    font-size: 0.36rem;
    font-weight: 700;
  }
  .num-statistics .statistics-item p:nth-child(2) span {
    font-size: 0.2rem;
  }
  /* 大会数据 */

  /* 大会概要 */
  .pagination_bullte {
    padding-top: 0;
  }
  .ind_order_1 .clearfix {
    padding: 0 0.3rem;
  }
  .ind_order_1 .cont {
    padding: 0 0 0 0;
    flex-wrap: wrap;
    background: url(../images/mobile/bg1.png);
    background-size: 100%;
    flex-direction: column-reverse;
    margin: 0 0.3rem;
  }
  .ind_order_1 .video-item .video_bg1,
  .ind_order_1 .video-item .video_bg2 {
    display: none;
  }

  .ind_order_1 .cont .content-text {
    width: auto;
    height: auto;
    font-weight: 400;
    text-align: left;
    color: #ffffff;
    padding: 0 0.3rem 0.46rem 0.3rem;
    font-size: 0.24rem;
    line-height: 0.4rem;
    box-sizing: border-box;
    letter-spacing: 0;
  }
  .desc1 {
    position: absolute;
    left: -0.3rem;
    bottom: 0px;
    width: 100vw;
  }
  .ind_order_1 .video-item {
    position: inherit;
    width: 100%;
    right: 0px;
    top: 0px;
    transform: translate(0px, 0px);
    width: 6.3rem;
    height: 4.16rem;
    border-radius: 0.08rem;
    background-size: 100%;
    margin: 0.38rem 0.3rem 0.49rem 0.3rem;
  }
  .order1_activity_img1 {
    width: 100%;
    height: 4.6rem;
    background: url(../images/video-bg.png) no-repeat;
    background-size: 100% 100%;
  }
  .ind_order_1 .video-item .back_activity_list {
    height: 100%;
    width: 100%;
  }
  .ind_order .video-item .play-btn,
  .ind_order_2 .video-item .play-btn {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    margin: auto;
    width: 1.2rem;
    height: 1.2rem;
    background: url(../images/mobile/m_play_btn1.png) no-repeat;
    background-size: 1.2rem;
    cursor: pointer;
  }

  .swiper-button-prev-pic,
  .swiper-button-next-pic {
    display: none;
  }

  /* 现场照片 */
  .ind_order_3 .swiper-button-prev,
  .ind_order_3 .swiper-button-next {
    display: none;
  }
  .ind_order_3 .wrap {
    overflow: hidden;
    position: relative;
  }
  .ind_order_3 .sec_tit {
    margin-bottom: 0.3rem;
  }
  .ind_order_3 {
    padding-bottom: 0;
    margin-top: 0.76rem;
  }

  .ind_order_3 .clearfix {
    padding-left: 0.3rem;
  }
  .back_photo_list {
    margin-top: 0rem;
    width: 6.9rem;
    height: 4.4rem;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
    padding-bottom: 0.6rem;
  }
  .ind_order_3 .swiper-container {
  }

  .back_photo_list .swiper-slide {
    float: left;
    width: 3.35rem !important;
    height: 2.2rem !important;
    margin-bottom: 0.2rem !important;
    /* margin-right: 0.2rem !important; */
    margin-top: 0 !important;
  }
  .back_photo_list .swiper-slide img {
    display: block;
    width: 3.35rem;
    height: 2.2rem !important;
    cursor: pointer;
    margin-bottom: 0;
  }
  .back_photo_list .swiper-slide img:nth-child(4n + 0) {
    margin-right: 0;
  }

  .ind_order_3 .swiper-pagination {
    height: 0.1rem;
    /* bottom: 0.5rem !important; */
    bottom: 0rem !important;
  }
  .ind_order_3 .swiper-pagination-bullet {
    margin: 0 0.05rem !important;
    width: 0.1rem !important;
    height: 0.1rem !important;

    border-radius: 5 !important;
    background-color: #005aff;
  }
  .ind_order_3 .swiper-pagination-bullet-active {
    width: 0.48rem !important;
    height: 0.1rem !important;
    background-color: #f34244;
  }

  /* 演讲视频 */
  .ind_order_4 {
    background-color: transparent;
    margin-top: 0.78rem;
    padding-top: 0;
  }

  .ind_order_4 .clearfix {
    padding-left: 0.3rem;
  }
  .speech-video {
    margin-top: 0;
    padding-bottom: 0;
    flex-wrap: wrap;
  }

  .speech-video .video {
    width: 100%;
    border-radius: 0.04rem;
    overflow: hidden;
    margin-bottom: 0.3rem;
    padding-left: 0.3rem;
    padding-right: 0.3rem;
  }
  .cccs {
    margin-top: 0.3rem;
    padding-bottom: 0px;
    margin-bottom: 0.3rem;
  }
  .csImg {
    width: 100%;
  }
  .speech-video .video-item {
    position: relative;
    width: 100%;
    height: 4.28rem;
    cursor: pointer;
  }

  .speech-video .speech1,
  .speech-video .speech2,
  .speech-video .speech3,
  .speech-video .speech4,
  .speech-video .speech5,
  .speech-video .speech6,
  .speech-video .speech7,
  .speech-video .speech8 .speech-video .speech9,
  .speech-video .speech10,
  .speech-video .speech11,
  .speech-video .speech12 {
    background-size: 100% 4.28rem;
  }

  .speech-video .video-item .play-btn {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    margin: auto;
    width: 1.2rem;
    height: 1.2rem;
    background: url(../images/mobile/m_play_btn2.png) no-repeat;
    background-size: 1.2rem;
    cursor: pointer;
  }

  .speech-video .video-text {
    padding: 0.2rem 0.2rem 0.3rem;
    background-color: #181aa3;
    position: relative;
    height: 1.61rem;
  }
  .speech-video .speech-title {
    font-size: 0.28rem;
    line-height: 0.36rem;
    margin-bottom: 0.3rem;
    color: #ffffff;
    font-weight: 700;
  }

  .speech-video .speecher-dentity {
    font-size: 0.2rem;
    color: #ffffff;
  }

  .speech-video .video-text .m-show-line {
    margin: auto 0.1rem;
  }
  .speech-video .video-text .dowload-btn {
    position: absolute;
    bottom: 0.35rem;
    right: 0.2rem;
    color: #22d9f4;
    font-size: 0.2rem;
    cursor: pointer;
    line-height: 0.28rem;
    text-decoration: none;
  }
  .video-text .dowload-btn .download-icon {
    float: left;
    margin-right: 0.05rem;
    width: 0.18rem;
    height: 0.18rem;
    background: url(../images/mobile/download_m.png) no-repeat;
    background-size: 0.18rem;
    position: relative;
  }
  /* 演讲视频 */

  /* 参与厂商 */
  .ind_order_5 {
    padding-top: 0.49rem;
  }
  .ind_order_5 .clearfix {
    padding-left: 0.3rem;
  }

  .ind_order_5 .m-show {
    display: inline-block;
    width: 6.9rem;
    height: 2.64rem;
  }
  .exhibitors-tab-m {
    display: block;
    margin-top: 0.6rem;
  }
  .ind_order_5 .exhibitors-tab-m .tab-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 0.02rem;
  }
  .ind_order_5 .exhibitors-tab-m .tab-td {
    display: block;
    width: 3.44rem;
    text-align: center;
    line-height: 0.7rem;
    font-size: 0.28rem;
    color: #c1c1d9;
    background-color: #170b9b;
  }
  .ind_order_5 .exhibitors-tab-m .tab-row:nth-child(2n + 0) .tab-td {
    background-color: #23276f;
  }

  .ind_order_5 .table_info ul {
    line-height: 0.88rem;
    height: 0.88rem;
  }
  .ind_order_5 .table_info ul li {
    font-size: 0.28rem;
  }
  /* 参与厂商 */

  /* 活动报道 */
  .ind_order_6 {
    width: auto;
    padding: 0.75rem 0.3rem 0 0.3rem;
    background: #0d107c;
  }
  .ind_order_6 .wrap {
    width: 6.9rem;
  }

  .ind_order_6 .report_box {
    padding-top: 0;
  }
  .ind_order_6 .report_box .report_item {
    width: auto;
    height: auto;
    background: transparent;
    position: relative;
    margin-bottom: 0.4rem;
  }
  .ind_order_6 .report_box .report_item .report_img {
    padding: 0;
    position: absolute;
  }
  .ind_order_6 .report_box .report_img > img {
    width: 2rem;
    height: 1.26rem;
  }
  .ind_order_6 .report_content {
    margin-left: 0rem;
  }
  .ind_order_6 .report_content > h3 {
    text-decoration: none;
    color: inherit;
    width: 4.48rem;
    font-size: 0.28rem;
    font-weight: 400;
    line-height: 0.38rem;
    padding-top: 0.15rem;
    margin-left: 2.34rem;
    padding-bottom: 0;
  }

  .ind_order_6 .report_content .pdt {
    padding-top: 0.2rem;
  }

  .ind_order_6 .report_content > p {
    width: 6.9rem;
    padding-top: 0.6rem;
    font-size: 0.24rem;
    color: #deddfd;
    line-height: 0.36rem;
  }

  .ind_order_6 .report_content > span {
    margin-top: 0.1rem;
    font-size: 0.24rem;
    line-height: 0.24rem;
  }

  .ind_order_6 .check_more {
    top: 2.25rem;
    position: absolute;
    font-size: 0.24rem;
    right: 0.5rem;
    line-height: 0.24rem;
  }

  .ind_order_6 .check_more .check_more_icon {
    background: url(../images/mobile/show_more_m.png) center center no-repeat;
    background-size: contain;
    float: right;
    width: 0.19rem;
    height: 0.22rem;
    position: absolute;
    top: 0.02rem;
    right: -0.25rem;
  }
  .m-line {
    width: 6.9rem;
    margin-bottom: 0.37rem;
    display: block;
  }
  .show_more_report {
    background: url(../images/mobile/more-report-m.png);
    width: 5.4rem;
    height: 0.88rem;
    background-size: contain;
    margin: 0.8rem auto 0;
  }
  .show_more_report:hover {
    background: url(../images/mobile/more-report-m.png);
    background-size: contain;
  }
  /* 合作伙伴 */
  .ind_order_7 {
    background: transparent;
    padding: 0.8rem 0;
  }
  .ind_order_7 .wrap {
    width: 6.9rem;
  }
  .ind_order_7 .partner_logo > p:first-child {
    padding-top: 0;
  }
  .ind_order_7 .partner_logo > p {
    font-size: 0.18rem;
    padding: 0.3rem 0 0.18rem 0;
    line-height: 0.18rem;
  }
  .footer1,
  .footer2 {
    height: 0.6rem;
  }
  .footer3 {
    height: 1.96rem;
  }
  /* 合作伙伴 */
}