3D渲染科技感未来主义深蓝色盾牌图标网络安全数据保

modern tech style illustration, dark blue primary color, central blue shield with keyhole, surrounding icons like Wi-Fi, mail, folder in a radial pattern, grid lines around shield and icons for added tech feel, white and light blue accents, high-tech atmosphereelemental, minimalist, Flat Illustration, clean background,