## Input.Textarea ### Semantic Parts - root（`semantic-mark-root`）: Root element with textarea wrapper styles, border, border radius, transition animation and state control - textarea（`semantic-mark-textarea`）: Textarea element with font, line height, padding, color, background, border, text input and multi-line text display styles - clear（`semantic-mark-clear`）: Clear button element with layout, visibility, and interaction styles for clearing content - count（`semantic-mark-count`）: Count element with character count display position, font, color and numeric statistics styles ### Usage Example ```tsx ``` ### Abstract DOM Structure ```html 17 / 100 ```