.breadcrumb-item a{
    color: #000;
}
      .breadcrumb {
        background-color: #f8f9fa;
        padding: 0.75rem 1rem;
        margin-bottom: 1rem;
        border-radius: 0.25rem;
      }
      .media-container {
        position: relative;
        cursor: pointer;
      }
      .play-button {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 60px;
        height: 60px;
        background-color: rgba(255, 0, 0, 0.8);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: white;
        font-size: 24px;
        z-index: 10;
        transition: all 0.3s ease;
      }
      .play-button:hover {
        background-color: rgba(255, 0, 0, 1);
        transform: translate(-50%, -50%) scale(1.1);
      }
      .main-media {
        width: 100%;
        height: 400px;
        object-fit: cover;
        display: block;
      }
      .hidden {
        display: none !important;
      }
      .thumbnail-carousel {
        position: relative;
        width: 100%;
        overflow: hidden;
      }
      .thumbnail-wrapper {
        display: flex;
        overflow-x: auto;
        scroll-behavior: smooth;
        -ms-overflow-style: none; 
        scrollbar-width: none; 
        padding: 0 10px;
      }
      .thumbnail-wrapper::-webkit-scrollbar {
        display: none;
      }
      .thumbnail-img {
        width: 80px;
        height: 60px;
        object-fit: cover;
        cursor: pointer;
        border: 2px solid transparent;
        margin: 0 2px;
        flex-shrink: 0;
      }
      .thumbnail-img.active {
        border-color: #dc3545;
      }
      /* 轮播控制按钮 */
      .carousel-control {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        width: 30px;
        height: 30px;
        background-color: rgba(0, 0, 0, 0.5);
        color: white;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        z-index: 5;
        transition: all 0.3s ease;
      }
      .carousel-control:hover {
        background-color: rgba(255, 0, 0, 0.8);
        color: white;
      }
      .carousel-control.prev {
        left: 0;
      }
      .carousel-control.next {
        right: 0;
      }
      .social-icon {
        width: 30px;
        height: 30px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        color: white;
        margin-right: 5px;
        text-decoration: none;
        transition: all 0.3s ease;
      }
      .social-icon:hover {
        transform: translateY(-3px);
        color: white;
      }
      .social-icon.youtube {
        background-color: #ff0000;
      }
      .social-icon.instagram {
        background-color: #e4405f;
      }
      .social-icon.facebook {
        background-color: #1877f2;
      }
      .social-icon.linkedin {
        background-color: #0077b5;
      }