assets/gradio/gradio_description_upload.md

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            Step 1: Upload a <strong>Source Image</strong> or <strong>Video</strong> (any aspect ratio) ⬇️
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            Step 2: Upload a <strong>Driving Video</strong> (any aspect ratio) ⬇️
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            <strong>Tips:</strong> Focus on the head, minimize shoulder movement, <strong>neutral expression</strong> in first frame.
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