蒸汽遇冷窗的结霜变化

生成一段20秒、16:9画幅的延时摄影视频。在写实厨房环境中，温暖蒸汽升起并接触温度为-20°C、明显冰冷的窗户。连续细致地展示变化过程：玻璃上先形成凝结水，随后迅速冻结成晶体状霜纹，并逐渐扩散覆盖窗面，同时厨房在霜层后方保持柔和可见。使用固定机位、自然厨房光线、真实的蒸汽运动、符合物理规律的冻结过程，以及清晰的微距级冰层纹理细节。不要出现人物、文字或标志，也不要依赖音频来传达动作。

【English Prompt】
Create a 20-second timelapse video in a 16:9 aspect ratio. In a realistic kitchen, warm steam rises and contacts a visibly cold window at -20°C. Show the transformation in continuous detail: condensation forms on the glass, rapidly freezes into crystalline frost patterns, and gradually spreads across the pane while the kitchen remains softly visible behind it. Use a locked-off camera, natural kitchen lighting, realistic vapor motion, physically plausible freezing behavior, and crisp macro-level detail on the evolving ice textures. No people, text, logos, or audio-dependent action.

【推荐生成参数】audio_control.mode=native · duration=20 · ratio=16:9 · resolution=768P

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