像素風湖畔景色：天空、草地與水下分層場景

Pixel art style fishing game background, vertically split composition Top section: bright blue sky with white clouds, dark green tree silhouettes, lake water surface Middle section: vibrant green grass field, gray rocks on both sides, brown soil cross-section Bottom section: underwater scene, multiple layers of wave patterns, teal-blue water, green aquatic plants on sides Retro game aesthetic, 16-bit graphics, natural lakeside landscape, no UI elements, clean background only