.page-activity {
    overflow: hidden;
    background-color: #040218;
    color: #fff;
    /* 扫码入口 */
    /* 活动简介 */
    /* 活动嘉宾+议程 */
  }
  .page-activity a {
    text-decoration: none;
  }
  .page-activity .max-w-1100 {
    max-width: 1100px;
    margin: 0 auto;
  }
  .page-activity .section-title {
    max-width: 840px;
    margin: 0 auto;
    color: #ffffff;
    text-align: center;
  }
  .page-activity .section-title .title-text {
    margin: 0;
    font-size: 40px;
    line-height: 40px;
  }
  .page-activity .section-title .title-text.black {
    color: #141414;
  }
  .page-activity .section-title .sub-title {
    margin: 0;
    margin-top: 24px;
    font-size: 20px;
    line-height: 26px;
    text-align: center;
  }
  .page-activity .section-activity-entry {
    padding: 81px 0 120px;
    text-align: center;
    background: url(../images/activities/entry-bg@2x.jpg) no-repeat;
    background-size: cover;
    background-position: center top;
  }
  .page-activity .section-activity-entry .activity-entry-wrapper {
    max-width: 468px;
    margin: 0 auto;
  }
  .page-activity .section-activity-entry .activity-entry-title {
    font-size: 40px;
    line-height: 40px;
    font-weight: bold;
  }
  .page-activity .section-activity-entry .activity-entry-title::before,
  .page-activity .section-activity-entry .activity-entry-title::after {
    content: "";
    display: inline-block;
    width: 55px;
    height: 4px;
    vertical-align: middle;
  }
  .page-activity .section-activity-entry .activity-entry-title::before {
    background: -webkit-gradient(linear, left top, right top, from(rgba(255, 255, 255, 0)), to(#ffffff));
    background: linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, #ffffff 100%);
    border-radius: 0 100px 100px 0;
  }
  .page-activity .section-activity-entry .activity-entry-title::after {
    background: -webkit-gradient(linear, right top, left top, from(rgba(255, 255, 255, 0)), to(#ffffff));
    background: linear-gradient(270deg, rgba(255, 255, 255, 0) 0%, #ffffff 100%);
    border-radius: 100px 0 0 100px;
  }
  .page-activity .section-activity-entry .activity-entry-code {
    width: 200px;
    height: 200px;
    margin-top: 56px;
    margin-bottom: 10px;
  }
  .page-activity .section-activity-entry .activity-entry-desc {
    text-align: center;
    font-size: 20px;
    line-height: 28px;
    margin: 0;
  }
  .page-activity .section-activity-entry.entry1 {
    background-image: none;
  }
  .page-activity .section-activity-entry.entry1 .activity-entry-wrapper {
    background: url(../images/activities/entry-bg2@2x.png) no-repeat;
    background-size: cover;
    background-position: center center;
  }
  .page-activity .section-introduce .introduce-wrapper {
    height: 300px;
    padding: 44px 0 60px;
    margin: 0 auto;
    background: url(../images/activities/introduce-bg@2x.jpg) no-repeat;
    background-size: cover;
    background-position: center center;
    position: relative;
    text-align: center;
  }
  .page-activity .section-introduce .introduce-wrapper .introduce-icon {
    display: inline-block;
    width: 128px;
    height: 120px;
    position: absolute;
    z-index: 2;
  }
  .page-activity .section-introduce .introduce-wrapper .introduce-icon1 {
    left: 40px;
    top: -40px;
  }
  .page-activity .section-introduce .introduce-wrapper .introduce-icon2 {
    right: 40px;
    bottom: -35px;
  }
  .page-activity .section-introduce .introduce-wrapper .introduce-title,
  .page-activity .section-introduce .introduce-wrapper .introduce-desc {
    position: relative;
    z-index: 3;
    max-width: 800px;
    margin: 0 auto;
  }
  .page-activity .section-introduce .introduce-wrapper .introduce-title {
    padding-bottom: 16px;
  }
  .page-activity .section-introduce .introduce-bg-transition {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
  }
  .page-activity .section-introduce .introduce-bg-transition::before {
    content: "";
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    z-index: 2;
    width: 302px;
    height: 162px;
    background: -webkit-gradient(linear, right top, left top, from(#ff721f), to(#f37327));
    background: linear-gradient(270deg, #ff721f 0%, #f37327 100%);
    background-position: -250px center;
    opacity: 0.72;
    -webkit-filter: blur(50px);
            filter: blur(50px);
    -webkit-animation: bounce 6s linear infinite forwards;
            animation: bounce 6s linear infinite forwards;
  }
  @-webkit-keyframes bounce {
    0% {
      left: 0;
      top: 0;
    }
    50% {
      left: 30px;
      top: 30px;
    }
    100% {
      left: 0;
      top: 0;
    }
  }
  @keyframes bounce {
    0% {
      left: 0;
      top: 0;
    }
    50% {
      left: 30px;
      top: 30px;
    }
    100% {
      left: 0;
      top: 0;
    }
  }
  .page-activity .section-introduce .introduce-title {
    font-size: 28px;
    font-weight: bold;
    line-height: 36px;
    margin-bottom: 16px;
  }
  .page-activity .section-introduce .introduce-desc {
    text-align: center;
    font-size: 16px;
    line-height: 36px;
  }
  .page-activity .section-agenda {
    padding: 120px 0;
  }
  .page-activity .section-agenda .agenda-inner {
    position: relative;
  }
  .page-activity .section-agenda .agenda-inner:before,
  .page-activity .section-agenda .agenda-inner::after {
    display: block;
    content: " ";
    position: absolute;
    background-size: cover;
    z-index: 1;
  }
  .page-activity .section-agenda .agenda-inner:before {
    width: 314px;
    height: 291px;
    top: -120px;
    left: -130px;
    background-image: url(../images/activities/agenda-bg1@2x.png);
    background-repeat: no-repeat;
  }
  .page-activity .section-agenda .agenda-inner::after {
    width: 575px;
    height: 520px;
    top: 0px;
    right: 240px;
    background-image: url(../images/activities/agenda-bg2@2x.png);
    background-repeat: no-repeat;
  }
  .page-activity .section-agenda .agenda-title {
    position: relative;
    z-index: 2;
    margin-bottom: 80px;
  }
  .page-activity .section-agenda .agenda-title .agenda-title-text {
    display: inline-block;
    padding: 0 2px;
    font-size: 40px;
    font-weight: bold;
    color: #ffffff;
    line-height: 30px;
    border-bottom: 10px solid #3a8bf7;
  }
  .page-activity .section-agenda .agenda-wrapper {
    position: relative;
    z-index: 2;
    width: 100%;
    padding-left: 150px;
  }
  .page-activity .section-agenda .agenda-wrapper .agenda-item {
    position: relative;
    width: 100%;
    padding: 0;
    margin: 0;
    border-left: 1px solid #3a8bf7;
    padding-bottom: 16px;
  }
  .page-activity .section-agenda .agenda-wrapper .agenda-item:before {
    position: absolute;
    left: -8px;
    top: -4px;
    content: " ";
    display: block;
    width: 10px;
    height: 10px;
    background: #3a8bf7;
    border: 2px solid #020523;
    border-radius: 50%;
  }
  .page-activity .section-agenda .agenda-wrapper .agenda-item::after {
    content: " ";
    display: block;
    height: 0;
    clear: both;
  }
  .page-activity .section-agenda .agenda-wrapper .agenda-item .agenda-item-time,
  .page-activity .section-agenda .agenda-wrapper .agenda-item .agenda-item-info {
    margin-bottom: 64px;
  }
  .page-activity .section-agenda .agenda-wrapper .agenda-item:last-child {
    padding-bottom: 0;
    border-color: transparent;
  }
  .page-activity .section-agenda .agenda-wrapper .agenda-item-time,
  .page-activity .section-agenda .agenda-wrapper .agenda-item-info {
    position: relative;
    top: -10px;
  }
  .page-activity .section-agenda .agenda-wrapper .agenda-item-time {
    color: #fff;
    float: left;
    margin-left: -150px;
    font-size: 20px;
    line-height: 28px;
    color: #dfe3ff;
  }
  .page-activity .section-agenda .agenda-wrapper .agenda-item-info {
    margin-left: 40px;
    margin-top: -10px;
  }
  .page-activity .section-agenda .agenda-wrapper .agenda-item-subject {
    margin: 0;
    font-size: 20px;
    font-weight: 500;
    line-height: 20px;
    padding-bottom: 20px;
  }
  .page-activity .section-agenda .agenda-wrapper .agenda-item-lecturer {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    font-size: 16px;
    color: #3a8bf7;
    line-height: 22px;
  }
  .page-activity .section-agenda .agenda-wrapper .lecturer-name {
    margin-right: 8px;
  }
  .page-activity .section-agenda .agenda-wrapper .lecturer-identities-item {
    font-size: 16px;
    color: #3a8bf7;
    line-height: 22px;
    padding-bottom: 4px;
  }
  .page-activity .section-agenda .agenda-wrapper .lecturer-identities-item:last-child {
    padding: 0;
  }
  .page-activity1 .section-banner {
    background-image: url(../images/activities/1/banner@2x.jpg);
  }
  .page-activity2 .section-banner {
    background-image: url(../images/activities/2/banner@2x.jpg);
  }
  @media (min-width: 1921px) {
    .page-activity .section-banner {
      background-size: 100% auto;
    }
  }
  @media (max-width: 1100px) {
    .page-activity .section-introduce .introduce-wrapper {
      margin: 0 24px;
    }
    .page-activity .section-agenda .agenda-inner {
      margin: 0 24px;
    }
  }
  @media (max-width: 767px) {
    .page-activity .page-detail-banner .banner-default {
      min-height: 240px;
    }
    .page-activity .section-activity-entry {
      padding: 24px 0 50px;
    }
    .page-activity .section-activity-entry .activity-entry-title {
      font-size: 20px;
      line-height: 30px;
    }
    .page-activity .section-activity-entry .activity-entry-code {
      width: 160px;
      height: 160px;
      margin-top: 24px;
    }
    .page-activity .section-activity-entry .activity-entry-desc {
      font-size: 14px;
      line-height: 20px;
    }
    .page-activity .section-introduce .introduce-wrapper {
      height: auto;
      padding: 36px 24px;
    }
    .page-activity .section-introduce .introduce-wrapper .introduce-title {
      font-size: 20px;
      line-height: 20px;
      margin-bottom: 16px;
    }
    .page-activity .section-introduce .introduce-wrapper .introduce-icon {
      width: 64px;
      height: 60px;
    }
    .page-activity .section-introduce .introduce-wrapper .introduce-icon1 {
      left: 20px;
      top: -20px;
    }
    .page-activity .section-introduce .introduce-wrapper .introduce-icon2 {
      right: 20px;
      bottom: -20px;
    }
    .page-activity .section-introduce .introduce-bg-transition::before {
      width: 150px;
      height: 80px;
      background-position: center center;
      -webkit-animation: none;
              animation: none;
    }
    .page-activity .section-introduce .introduce-desc {
      text-align: left;
    }
    .page-activity .section-agenda {
      padding: 50px 0;
    }
    .page-activity .section-agenda .agenda-inner {
      margin-left: 16px;
      margin-right: 16px;
    }
    .page-activity .section-agenda .agenda-inner::after {
      right: 0;
    }
    .page-activity .section-agenda .agenda-title {
      margin-bottom: 30px;
    }
    .page-activity .section-agenda .agenda-title .agenda-title-text {
      font-size: 20px;
      line-height: 16px;
      border-width: 6px;
    }
    .page-activity .section-agenda .agenda-wrapper {
      padding: 0;
    }
    .page-activity .section-agenda .agenda-wrapper .agenda-item {
      width: 100%;
      padding: 0;
      margin: 0;
      padding-bottom: 16px;
    }
    .page-activity .section-agenda .agenda-wrapper .agenda-item .agenda-item-time,
    .page-activity .section-agenda .agenda-wrapper .agenda-item .agenda-item-info {
      margin-bottom: 16px;
    }
    .page-activity .section-agenda .agenda-wrapper .agenda-item:last-child {
      padding-bottom: 0;
    }
    .page-activity .section-agenda .agenda-wrapper .agenda-item-time {
      float: none;
      top: -4px;
      font-size: 16px;
      line-height: 20px;
      margin-left: 16px;
      margin-bottom: 16px;
    }
    .page-activity .section-agenda .agenda-wrapper .agenda-item-info {
      margin-top: 0;
      margin-left: 16px;
    }
    .page-activity .section-agenda .agenda-wrapper .agenda-item-subject {
      font-size: 14px;
      line-height: 20px;
      padding-bottom: 12px;
      margin: 0;
    }
    .page-activity .section-agenda .agenda-wrapper .agenda-item-lecturer {
      -ms-flex-wrap: wrap;
          flex-wrap: wrap;
    }
    .page-activity .section-agenda .agenda-wrapper .lecturer-name {
      width: 100%;
      font-size: 14px;
      line-height: 14px;
      padding-bottom: 4px;
    }
    .page-activity .section-agenda .agenda-wrapper .lecturer-identities-item {
      font-size: 14px;
      line-height: 14px;
      display: inline-block;
    }
  }