Packaging Design Sky Blue Alcoholic Beverage Packaging by Wen Liu The product design creates a "young, energetic, positive and upward" image, demonstrating the consistency of quality and brand appeal. The shape of the bottle is flexible and smooth, following the principles of rational aesthetics. The golden rule of "Fibonacci spiral" is used to modify the ratio of the wine bottle to create a more balanced, elegant and dynamic super golden ratio of "point, line and surface", which is convenient for users to hold and open, and meets the ergonomics design.