Main subject: Multi-layered 3D frosted glass shield icon tilted at 45 degrees on the far right of the frame, the shield overlays a large white surface, a lightning icon is embedded in the shield face, and transparent curve decorations surround the periphery. Scene: Dark blue tech-sense virtual 3D visual scene. Style: C4D 3D rendering texture, frosted glass transparent tech style. Color tone: Overall based on dark blue, matched with blue gradient color scheme. Lighting and shadow: Low-angle shooting perspective, frosted material has soft diffuse reflection, transparent material has transparent and layered lighting and shadow. Composition: Icon placed on the far right of the frame, balanced blank space, low-angle shooting perspective and placed at 45-degree tilt. Usage: 4K high-definition tech poster, security protection theme KV, brand tech UI decoration material.