卡通梦幻风海底世界蓝白鲨鱼珊瑚鱼群海洋生态插画

underwater scene, blue color scheme, marine life including sharks, rays, various fish, colorful coral reefs, shark in upper left, ray in middle right, fish scattered throughout, coral at bottom, detailed elements like various fish shapes, colorful coral, bubbles, gradient blue background, simulating underwater light effect, vibrant and lively visual, conveying the richness and vitality of the ocean world