氢能渐变风科技感球体光效背景素材

3D rendered illustration, main color scheme in dark blue and bright blue, overall cool tones. Five glowing spheres, the central one brightest, the other four slightly dimmer, evenly distributed along a horizontal line in a symmetrical layout. Light effects and halos around the spheres, dark gradient background to highlight the glowing effect. Strong sci-fi and futuristic atmosphere, modern and dynamic visual effects, conveying a sense of technology, energy, and connection.