Use this MotionSites background video as a looping website background asset. Title: Silk Ripple Category: background License: 免费 Video URL: https://d8j0ntlcm91z4.cloudfront.net/user_38xzZboKViGWJOttwIXH07lWA1P/hf_20260405_145119_f4ec4d9f-3ecd-4116-baa3-26e8cf2df976.mp4 Local thumbnail: thumbnails/e3fc0e29-e517-4519-a4ba-1b24219c1afc.jpg 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.