机械发条微缩世界

create a charming but ultra-refined scene centered on {argument name="subject" default="wind-up toy / mechanical miniature world"} where a tiny self-contained world is powered by a visible wind-up key and internal spring system. the toy should contain miniature architecture, characters, moving scenery, rotating signage, tiny lifts, oscillating parts, and small narrative moments that all activate from one central mechanism. mini world features: include visual zones for {argument name="main scene" default="main scene"}, [secondary scene], [moving prop], [character action], and [secret detail / easter egg]. surrounding close-ups can reveal the key, spring chamber, cams, and hidden moving linkages. visual style: japanese capsule toy magic meets luxury miniature cinematography meets premium collectible product photography. whimsical, intricate, emotionally irresistible. composition guidelines: the toy remains the hero, but the viewer should feel invited to peer into its tiny world. balance cuteness with high craftsmanship. make the mechanisms visible enough to create fascination. lighting & background: soft studio lighting with theatrical micro-shadows, premium pastel, lacquer, or dark velvet backdrop depending on {argument name="mood" default="mood"}, hyper-detailed miniature realism, no watermark.