/* 響應式影片容器 */
        .video-container {
            position: relative;
            padding-bottom: 56.25%; /* 16:9 比例 */
            height: 0;
            overflow: hidden;
            max-width: 100%;
            margin: 15px 0;
            border-radius: 8px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        
        .video-container iframe,
        .video-container object,
        .video-container embed {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border-radius: 8px;
        }
        
        /* 響應式 iframe 容器 */
        .iframe-container {
            max-width: 100%;
            overflow: hidden;
            margin: 15px 0;
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        
        .iframe-container iframe {
            max-width: 100%;
            border-radius: 8px;
        }
        
        /* 響應式圖片 */
        .mce-content-body img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            margin: 10px 0;
        }
        
        /* TinyMCE 編輯器樣式調整 */
        .tox-tinymce {
            border-radius: 8px !important;
            border: 1px solid #dee2e6 !important;
        }
        
        .tox .tox-toolbar {
            background: #f8f9fa !important;
        }
        
        /* 行動裝置優化 */
        @media (max-width: 768px) {
            .video-container {
                margin: 10px 0;
            }
            
            .iframe-container {
                margin: 10px 0;
            }
            
            .tox-tinymce {
                font-size: 14px;
            }
        }