Add autoplay video embed to Introduction section

Co-authored-by: anxiangsir <31175974+anxiangsir@users.noreply.github.com>

Author: Copilot

README.md

@@ -46,29 +46,9 @@
 
 <div align="center">
 
-<!--  
-为了在 README 中直接播放视频，请按以下步骤操作:
-To enable direct video playback in README, please follow these steps:
-
-1. 从 YouTube 下载视频 / Download video from YouTube: https://www.youtube.com/watch?v=PPBmfUoIxJ8
-   (可使用工具如 youtube-dl, yt-dlp 等 / Use tools like youtube-dl, yt-dlp, etc.)
-
-2. 在 GitHub 网页上编辑此 README / Edit this README on GitHub web interface
-
-3. 将视频文件拖放到编辑器中 / Drag and drop the video file into the editor
-
-4. GitHub 会自动上传并生成类似这样的 URL / GitHub will upload and generate a URL like:
-   https://github.com/user-attachments/assets/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
-
-5. 删除下方的图片代码，替换为视频标签 / Delete the image code below and replace with video tag:
-   <video src="YOUR_GITHUB_VIDEO_URL" controls width="800" style="max-width: 100%;"></video>
--->
-
-<a href="https://www.youtube.com/watch?v=PPBmfUoIxJ8" target="_blank">
-  <img src="https://img.youtube.com/vi/PPBmfUoIxJ8/maxresdefault.jpg" alt="OneVision Encoder Introduction Video - Click to Watch" width="800" style="max-width: 100%;">
-</a>
-
-**📺 [▶️ 点击图片观看 YouTube 视频 / Click to Watch on YouTube](https://www.youtube.com/watch?v=PPBmfUoIxJ8)**
+<video src="https://github.com/anxiangsir/asset/raw/main/OneVision/residual_mv.mp4" controls autoplay loop muted playsinline width="800" style="max-width: 100%;">
+  Your browser does not support the video tag.
+</video>
 
 </div>