科幻, 概念藝術, 風景, 垂直, 夜晚

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Create a grand vertical sci-fi concept art scene titled artificial sun and city: an immense futuristic city inside a colossal transparent dome or megastructure, viewed from a high balcony. At the top center, place a blinding artificial sun embedded in concentric circular engineering rings, radiating warm golden light downward through haze. Below it, show a vast enclosed landscape with turquoise lakes, misty waterfalls, snowy or cloudlike mountain ridges, and layered atmospheric clouds, all surrounded by dense metallic city infrastructure. Frame the composition with two dominant high-rise structures: one cylindrical tower on the left edge and one larger glass-and-steel tower on the right edge with visible stacked balconies and lit interiors. In the foreground, include exactly two small human figures standing on a curved observation deck at the lower left, looking out over the city for scale. Add multiple elevated rail lines and sleek tube-like transit vehicles crossing the lower third, with circular platforms, spires, antennae, bridges, and glowing windows throughout the middle and background. Use golden sunrise illumination, luminous volumetric rays, reflective chrome and glass, intricate hard-surface detail, cinematic depth, painterly realism, epic scale, and a serene utopian atmosphere. Color palette: warm gold, amber, silver, teal water, misty blue-gray shadows. No text, no logo, no watermark.