"Walnut Paipai" is an emerging brand dedicated to producing additive-free walnut and nut-based beverages. To reflect the pure characteristics of the product-zero additives, low sugar, or even sugar-free-the brand embodies a playful, lighthearted, and approachable image. The design draws inspiration from the product's essence, emphasizing the commonly recognized notion that "walnuts nourish the brain," making walnut elements a consistent thread throughout the visual identity.