* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    html, body {
      background-color: #000;
      color: #fff;
      overflow-x: hidden;
    }
    /* 移动端滑动外层容器：必须占满屏幕，事件接收区域 */
    .slide-wrap {
      width: 100%;
      height: 100vh;
      overflow: hidden;
      position: relative;
    }
    /* 位移容器，垂直排列所有视频项 */
    .slide-inner {
      width: 100%;
      height: 100%;
      transition: transform 0.32s ease-out;
    }
    .slide-item {
      width: 100%;
      height: 100vh;
      position: relative;
    }
    .slide-item video {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    /* PC / Mobile 切换 */
    @media (min-width: 768px) {
      .mobile-slide-area {
        display: none !important;
      }
    }
    @media (max-width: 767px) {
      .pc-player-area {
        display: none !important;
      }
    }