Escena navideña de ciudad en miniatura 3D

Present a clear, isometric 3D miniature cartoon scene at a 45-degree top-down view, depicting the classic architecture or landmarks of [City], and place it at the exact center of the composition. Decorate the city with ornaments, twinkling lights, and appropriate [Season, default winter] or festive details, making it a vibrant [Holiday]-themed city. Use soft, detailed textures, realistic PBR materials, and soft, realistic lighting, with subtle shadow effects. Create a small diorama-style city base with clean edges. Use a clean [Holiday] background color that contrasts sharply with the scene. At the top center, display the text [City] in bold, large letters. Directly below it, display "[Holiday] Special Edition" in medium font. (Optional) Place a small square flag icon below the text. All text must automatically contrast with the background (white or black). Composition: perfectly centered, 1080x1080 square, ultra-clean holiday diorama aesthetic.