渐变风科技未来感场景背景素材

Abstract starry sky sound wave technology background, vertical equalizer light beams emitting blue and purple halos, starry night scenery, soft gradient from deep blue to purple, futuristic cosmic atmosphere, commercial technology demonstration background, 8K quality, neon light effects, radial blur, depth of field, cool tones, tranquil and mysterious. --v 7 --ar 16:9 --c 2