.oncloudbackgroundColor {
        background: linear-gradient(to right,
            rgba(0, 0, 0, 0.4),
            rgba(0, 0, 0, 0.4));
        position: relative;
        min-height: 400px;
        overflow: hidden;
      }

      .oncloudbackgroundColor img {
        max-width: none;
      }

      .xdebackgroundColor {
        position: relative;
        min-height: 500px;
        overflow: hidden;
      }

      .xdebackgroundColor img {
        max-width: none;
      }

      .banner {
        position: absolute;
        z-index: -1;
        transform: translate(-50%, -50%);
        min-height: 100%;
        min-width: 100%;
        top: 50%;
        left: 50%;
      }

      .cricle-list-item {
        margin: 0 auto;
        text-align: center;
        line-height: 128px;
        width: 128px;
        height: 128px;
        border-radius: 50%;
        background-color: #f7f9fb;
      }

      .videoBox {
        display: flex;
        justify-content: center;
        align-items: center;
        position: relative;
        /* 確保播放鈕以此為基準定位 */
        overflow: hidden;
      }

      .playBtn {
        cursor: pointer;
        position: absolute;
        width: 80px;
        /* 給予明確寬度 */
        height: 80px;
        /* 給予明確高度 */
        background: url(/assets/images/playicon.png) no-repeat center;
        background-size: contain;
        z-index: 10;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
      }

      .playBtn:hover {
        transform: translate(-50%, -50%) scale(1.1);
        /* 滑過稍微放大 */
      }

      .mTitle {
        margin-top: 25px;
        text-align: left !important;
        color: gray;
        font-weight: 700;
        font-size: 14px;
      }

      .mWidth {
        margin: 0 auto;
        width: 80%;
      }

      .xde {
        content: url(/assets/images/3dexperience-video.jpg);
        width: 70%;
      }

      .catia {
        content: url(/assets/images/ds-cloud-catia.png);
        width: 100%;
      }

      .simulia {
        content: url(/assets/images/cloud-simulia-brand.png);
        width: 100%;
      }

      .enovia {
        content: url(/assets/images/cloud-enovia-brand.png);
        width: 100%;
      }

      .bsSpeaker {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        align-items: center;
      }

      .bsbox {
        display: flex;
        justify-content: center;
        align-items: center;
      }

      .bsimage {
        content: url(/assets/images/canoo_Design_Lifestyle_05.jpg);
        width: 100%;
      }

      .bsinfo {
        text-align: center;
        color: #fff;
        position: absolute;
        margin-top: 5%;
      }

      .eduimage {
        content: url(/assets/images/education-offer-plan.jpg);
        width: 100%;
      }

      .startupsimage {
        content: url(/assets/images/startups-offer-plan-banner.jpg);
        width: 100%;
      }

      .busofferimage {
        content: url(/assets/images/businesses-offer-plan.jpg);
        width: 100%;
      }

      .btn-light {
        color: #239de8;
        font-weight: 700;
      }

      .infoDarkBblock {
        padding-top: 20px;
        padding-bottom: 20px;
        text-align: center;
        color: #fff;
        background-color: #005686;
      }

      .infoLightBblock {
        padding-top: 20px;
        padding-bottom: 20px;
        text-align: center;
        color: #fff;
        background-color: #009eff;
      }

      .busofferC ul,
      .eduC ul,
      .startupsC ul {
        list-style: none;
        padding-left: 7%;
        padding-right: 7%;
      }

      .busofferC ul li:before,
      .eduC ul li:before,
      .startupsC ul li:before {
        content: "✓";
        display: table-cell;
        padding-right: 12px;
        padding-top: 15px;
      }

      .busofferC li,
      .eduC li,
      .startupsC li {
        line-height: 25px;
        display: table-row;
      }

      .busofferC,
      .eduC,
      .startupsC {
        border-radius: 6px;
        box-shadow: 0 4px 6px 0 rgba(0, 0, 0, 0.14);
        padding-top: 20px;
        padding-bottom: 30px;
      }

      .intro {
        margin-top: -50px;
      }

      .xdeplatform {
        border-radius: 10px;
        content: url(/assets/images/3DEXPERIENCE-platform-card.jpg);
        width: 100%;
      }

      .xdeoncloud {
        border-radius: 10px;
        content: url(/assets/images/cloud-dassault-systemes.jpg);
        width: 100%;
      }

      .xdemarket {
        border-radius: 10px;
        content: url(/assets/images/transformation-offers-marketplace.jpg);
        width: 100%;
      }

      .xdeintro {
        content: url(/assets/images/xdeintro.jpg);
        width: 50%;
      }

      .cloudoffer {
        content: url(/assets/images/cloud-offer-banner.jpg);
        width: 100%;
      }

      .dsfeature {
        content: url(/assets/images/ds-feature-make.png);
        width: 80%;
      }

      .experience2021 {
        content: url(/assets/images/3dexperience-platform-dassault-systemes-2021.png);
        width: 80%;
      }

      /* 讓影片視窗變大 (例如寬度 90%) */
      @media (min-width: 992px) {
        .modal-dialog {
          max-width: 800px;
          /* 設為 800px 或 1000px 最合適 */
          margin: 1.75rem auto;
        }
      }

      .modal-body {
        position: relative;
        padding: 0;
      }

      /* 修正 Bootstrap 5 的關閉按鈕定位 */
      .btn-close {
        position: absolute;
        right: 0;
        top: -40px;
        /* 移到影片上方 */
        z-index: 1000;
        filter: invert(1);
        /* 讓按鈕變白色，在黑背景才看得到 */
        opacity: 1;
      }

      /* 確保影片比例正確 */
      .ratio-16x9 {
        --bs-aspect-ratio: 56.25%;
        /* 強制 16:9 */
      }


      /* 額外修正 Modal 體驗 */
      .modal-content {
        background-color: #000;
        border: none;
      }

      .modal-header {
        border: none;
        padding: 0;
        position: absolute;
        right: -40px;
        /* 將按鈕移出影片範圍 */
        top: 0;
        z-index: 1010;
      }

      /* 針對移動端的關閉按鈕調整 */
      @media (max-width: 768px) {
        .modal-header {
          right: 0;
          top: -40px;
        }
      }

      /* 強化關閉按鈕的顏色與大小 */
      .btn-close-white {
        background-color: #fff;
        /* 給它一個底色更明顯 */
        border-radius: 50%;
        padding: 10px;
        box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
        opacity: 1;
      }

      /* 載入動畫容器 */
      #videoLoader {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        display: flex;
        flex-direction: column;
        /* 讓旋轉圖示跟文字垂直排列 */
        justify-content: center;
        align-items: center;
        background: #000;
        /* 黑色背景 */
        z-index: 5;
        /* 高於 iframe */
      }

      /* 載入文字樣式 */
      #videoLoader .loading-text {
        color: #fff;
        margin-top: 10px;
        font-size: 14px;
      }