渐变风抽象线条背景素材

The background of the poster is a colorful gradient three-dimensional streamer that spreads out from the center to the four sides, and a neon-lit puzzle color block that spreads out from the center to the periphery. Streamers and puzzle pieces are illuminated with red and yellow lights, creating a vibrant and exciting atmosphere. It looks like it fell off a car, and the background is blurred, giving it a sense of movement and energy. The overall color scheme of the design is mainly red, yellow, orange, and black, giving people a sense of the future and excitement.