暗色银河星带

Use this MotionSites background video as a looping website background asset.
Title: Motion Background 12
Category: background
License: 免费
Video URL: https://stream.mux.com/01yW6GoUz01OTXk5w1Rt1MHkJWlCGIwj46SUONJZ4DJUE.m3u8
Local thumbnail: thumbnails/bcf1149b-6c62-484b-af34-1d2d04c88831.png
Implementation requirements:
- Render the video as a muted, autoplay, looped, playsInline background layer.
- Use object-fit: cover and keep the focal motion visible on desktop and mobile.
- Add a readable overlay only when foreground text needs contrast.
- Keep controls hidden for decorative background use, and provide a poster/thumbnail fallback.
- Respect the MotionSites authorization state before using this asset in a commercial project.