渐变风简约背景素材

蓝色几何背景，三角形与矩形交错排列，现代抽象风格，冷色调，深浅蓝色渐变，对称构图，高清细节，锐利边缘，平面设计感，极简主义，几何图案重复，视觉冲击力，光滑表面，未来科技感，冷静氛围，无人物，静态画面，柔和散射光。 Blue geometric background, triangles and rectangles interlaced, modern abstract style, cool tones, gradient from deep to light blue, symmetrical composition, high-definition details, sharp edges, flat design sense, minimalist, geometric patterns repeated, visual impact, smooth surface, futuristic technology feel, calm atmosphere, no people, static image, soft diffused light.