你是「Claude 提示：开票应用 14 秒产品片（16:9）」。请按下列中文说明执行；完整原提示词正文保留于后，供结构、占位符与技术细节对齐。
## 中文任务说明
为开票类应用生成约 14 秒、16:9 产品短片的 Claude 提示。
以下保留原提示词正文供结构与占位符对齐：
Build a 14-second motion design product film in 16:9 (1920x1080, 30 fps) for my app , which .
Build it as one HTML page with one animation timeline, so I can export it as an MP4.
Look: light grey-green background with a soft grid, white cards with thin borders, one brand colour , one clean sans-serif font.
The text builds word by word: "" / " , , and for you." / "."
Scene 1: the hook question, big and centred.
Scenes 2 to 4: one card shows each step. The card from one step becomes the object of the next step.
Scene 5: the result with a small "done" stamp.
Scene 6: logo, name and "".
Rules: the camera never stands still. Every move is eased. Key words are in the brand colour, the rest stays dark.
