Vertical commercial smartphone poster, a giant mist-lavender flagship phone centered in frame, translucent frosted back cover engraved with subtle lavender flower texture, large circular XMAGE camera module on the top; layered 3D embossed lavender mounds surrounding the device, soft pale purple mist drifting across the flower hills, gentle lavender ripples spreading over the ground, solid pure black background; low-saturation hazy taro purple palette with soft cool diffused lighting, new Chinese style 3D relief OC Octane render, 8K ultra HD, dreamy translucent fog atmosphere, ultra-fine textures of flowers, frosted glass and silk fabric, minimalist luxury Chinese-style digital product advertisement