Use this MotionSites background video as a looping website background asset. Title: Neon Blue Waves Category: background License: 免费 Video URL: https://d8j0ntlcm91z4.cloudfront.net/user_38xzZboKViGWJOttwIXH07lWA1P/hf_20260302_085844_21a8f4b3-dea5-4ede-be16-d53f6973bb14.mp4 Local thumbnail: thumbnails/2cb0759a-72cc-4de6-893a-18a3799f3058.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.