Digital 2D Artwork，Sticker style，Chibi style，A cute mermaid chibi，Blue and white fish tail，The head and tail form a ring，Blue and white fish head，Happy face，Cute big eyes，antlers，Simple background，（Best quality，4K，8k，high resolution，masterpiece：1.2），Ultra Detail，（lifelike，Photorealism，照片级lifelike度：1.37），Underwater lighting，Ocean Palette，Vivid proportions，Depth of Darkness，Fine detail description，Beautiful detailed eyes，Clear focus，Physically Based Rendering，major，Bokeh，Deep sea environment。