**32k photo-realistic, high-definition, HQ resolution, full-frame shot of a stunning, super-designed HQ wallpaper of Hyper-realistic sci-fi**: A utopian floating city glides above a crystalline ocean, its base glowing with pulsating anti-gravity thrusters. The cityscape features spiraling, gravity-defying architecture in silver and glass, interwoven with glowing green plant life. The horizon blends sky and sea in stunning RGB hues of azure, lavender, and amber.