3D渲染科技感未来主义数字网络地球夜景全球通信网络

3D rendered illustration, dark blue space background, gradient and light effects, main colors blue and white, cool color scheme. Central focus on a partial image of Earth, glowing nodes and curved connecting lines forming a network structure, city lights scattered across the surface, strong technological and futuristic atmosphere, high-tech and modern visual effect, conveying global connectivity and data flow.