top-down terrain, game scenes, game map making, 3d scenes, rainbow-colored streets, high-tech houses and stores, electronic and holographic lines, technological atmosphere, future cities, regional bird's-eye view scene effects, 2d illustration style, game scene maps, city islands suspended in the sky. in the middle of the scene is a large empty square, with a gorgeous stage in the center, connected to different streets with different shops and balloons flying in the sky, the game art style uses high-resolution color illustrations and isometric perspective, the cartoon style features cute cartoon designs, and the background color should be a sky with a rainbow