照片级逼真的中文数学试卷

A realistic smartphone photo of a printed Chinese high school mathematics exam paper laid flat on a desk, full page centered in frame, black serif Chinese text with multiple-choice questions, formulas, a small geometry cube diagram and graph on the right, slightly wrinkled white paper with visible texture and soft creases, documentary scan-like composition, top-down overhead view with slight perspective tilt, natural indoor ambient lighting, mild shadows along the edges, neutral white and gray tones, high legibility, crisp print detail, casual real-life academic document photography, vertical 9:16 composition