[Quality and Technical Specs] Generate a 10s, 16:9 refs_generate AI video template for Ink Bamboo Dual Blade Spear Duel. Style: dark wuxia Chinese animation with ink-wash bamboo, silver-white and ink-green contrast, and fast fight rhythm. The video must be polished, stable, rhythm-driven, visually coherent, and suitable for reusable template generation. [Ha