3D渲染梦幻现实主义海岸线天空海洋沙滩自然景观插画

8k ultra-clear abstract art background, with blue, white and lavender as the main colors, delicate texture and gradient effects, creating a dreamy atmosphere. The background is mixed with different shades of blue and white, soft and tranquil, conveying the whole. Calm and relaxed emotions, symbolizing the vast sky or ocean, making people feel free and open, exquisite details, modern abstract art style.