3D渲染卡通风格悬浮小岛现代化城市绿色田野梦幻场景

illustration/cartoon/3D rendering, minimalist cartoon style, main colors green, blue, and white, bright and harmonious color scheme. Scene includes city buildings, farmland, forest, river, and ocean. City buildings on the left, farmland and forest in the middle, river winding through, ocean at the bottom left. Objects arranged from left to right: city, farmland, forest, forming a compact and orderly micro-earth shape. Scene atmosphere fresh and natural, eco-friendly environment, full of vitality. Decorative elements include tree textures, farmland stripe patterns, building detail designs. No text. Background design is a light blue gradient, simple processing, highlighting the main content. Overall visual effect vivid and interesting, conveying messages of environmental protection, ecological balance, and sustainable development.