Elegant Soft Blue Background. Pure Elegance and Harmony. Modern Abstract Illustration. Web Design Element. Beautiful Smooth Fantasy Texture. Blank Defocused Image. Glowing Blur Effect. Backdrop. 优雅的柔和蓝色背景。纯粹的优雅与和谐。现代抽象插图。网页设计元素。美丽的平滑幻想纹理。空白去焦点图像。发光模糊效果。网站横幅互联网封面的技术背景.