抽象几何风格低多边形现代科技感渐变彩虹色谱背景

abstract geometric style illustration, background with polygonal mosaic, gradient effect, main color blue, color scheme includes blue, purple, pink, orange, yellow, and green, decorative elements with polygonal geometric patterns, no main subject, no people, no specific description of objects/scenes, no placement or spatial relationship of objects, no scene atmosphere or environmental characteristics, no text, modern and vibrant visual effect, conveys a sense of freshness and technology