Animal in prison uniform holding sign before height background AI Image Prompt

Note: The emotional expression has been controversial, changed to the following: Change the subject's eyes to slightly squinted with a defiant look, mouth tightly shut and expression serious. Front paws upright and crossed holding a rectangular white sign with a black border. In the center, write the four Chinese characters '乱吃东西' in black brush calligraphy, bold and powerful strokes, with obvious wear and stains on the sign's edges. The subject wears an orange short-sleeved prison uniform with a lapel design, thick fabric texture with folds and slight stains, collar naturally falling, hem covering the middle of the torso. Background changed to imitation police station height measurement board, off-white paper with black horizontal scale lines (52-70 inches) and corresponding numbers, edges more obviously aged and yellowed. Top lighting creates strong shadows, heavy shadows under the face and neck, strong contrast in grayscale of background scale lines. Overall color tone warm brown, subject centered occupying 70% of the frame, head aligned with 66-70 inch scale lines, sign located in front of the chest.