3D渲染印章图标元素

Blue 3D stamp icon, representing certification and confirmation, placed on a light gray circular base, solid light blue and white minimalist background, formal and simple, neumorphism, 3D steady and three-dimensional, formal and authoritative style, gradient blue with white highlights, solemn and reliable, light gray base, 45-degree isometric top view, centered and symmetrical, steady structure, 4K ultra-high definition, clear stamp outline, glowing edges, exquisite and authoritative