A dreamy nighttime aquarium interior centered around a large cylindrical jellyfish tank glowing softly in the darkness. The aquarium is quiet and nearly empty, with the luminous tank serving as the clear visual focus of the scene.
A tall transparent cylindrical aquarium stands prominently in the exact center of the composition, visible from its circular base to its upper rim. The tank is filled with deep clear blue water and surrounded by a soft pale-blue luminous halo that gently spills onto the dark floor around it.
Several translucent jellyfish drift slowly at different heights inside the cylindrical tank. Some float near the upper water, others hover through the middle, and a few remain lower in the tank, creating natural depth rather than forming an orderly pattern. Their delicate semi-transparent bells glow faintly in icy blue and pearl-white tones, while their long thin tentacles trail gracefully through the water.
The surrounding aquarium hall remains dim and spacious. Dark navy walls, polished reflective flooring, and distant shadowed aquarium displays fade quietly into the background. Subtle reflections of the glowing cylinder stretch across the floor, while faint blue light catches the edges of nearby walls and architectural surfaces.
No strong ceiling lights are active. Most of the illumination comes directly from the jellyfish tank itself, creating a tranquil contrast between the luminous pale-blue water and the deep blue-black darkness surrounding it. Tiny suspended particles inside the water catch the light and add a subtle underwater shimmer.
Use a symmetrical wide composition at eye level, with the cylindrical jellyfish tank precisely centered and occupying the middle of the frame. Leave darker negative space on both sides so the glowing tank feels isolated and almost dreamlike.
Use deep navy, blue-black, pale cyan, icy blue, and pearl-white tones with restrained saturation. Refined atmospheric anime background illustration with delicate painted lighting, transparent glass, convincing water depth, soft reflections, and ethereal jellyfish rendering.
The scene contains one central cylindrical aquarium tank with several jellyfish inside it. Keep all jellyfish contained within the water behind the glass, and do not include people, text, animals outside the tank, or unrelated decorative objects.,dreamy, ethereal, painterly anime, luminous glow, impressionistic background, whimsical, bloom, delicate lineart, best quality,Light tones, , adorned with stars, moons, , sparkling.Colorful and dreamy background，dreamy, shining，Deep cosmic background
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