卡通手绘风蓝蟹水下生态岩石水草场景插画

illustration, main color scheme of blue and gray, cold tones with accents of brown and green, large crab in the center-left, dark brown shell with visible texture and protrusions, strong claws with lighter color, long and sharp legs, surrounded by various sizes of rough gray stones, blurred background of water plants and blue water, underwater atmosphere, detailed textures on crab shell and stones, long leaves of water plants, blue gradient background, clear and natural visual effect, conveying a peaceful and harmonious natural ecological emotion