从 Nano Banana Pro 开始 || 8K 超逼真宣传片 一场神秘的电影级产品揭秘。一个紧闭的复古公文包静置于一张高档桌面。细微的震动开始，金属搭扣轻轻作响。
Start with Nano Banana Pro || 8K Ultra-Realistic Promotional A mysterious cinematic product reveal. A closed vintage Briefsuitcase rests motionless on a premium desk surface. Subtle vibrations begin, metal latches gently rattle
