Intaglio print line art style, color draft, pure white background, blueberry branch and leaf line art, 0.8mm thick lines outlining the fruit shape, 0.2mm thin lines depicting the fruit skin fibers, retaining copperplate engraving traces, preserving the natural colors of the blueberry fruit and branches. The bottom right corner has small English text "VISION", clear lines, metallic engraving texture, and realistic natural colors.
