Hand drawn sketch packaging proposal board design poster

Please generate a product introduction poster in the style of a "hand-drawn packaging proposal board" for Product Name . If I provide a product image, please use this image as the main reference, retain the product's core appearance features, packaging form, color, material, brand identity and overall temperament, and prioritize adopting the main color tone and color scheme from the product image for the design. If I do not provide a product image, please automatically generate a product appearance and packaging design that matches the positioning of Product Name , and automatically match natural and reasonable main color, auxiliary color, and background color based on product attributes, category characteristics, and temperament. Overall poster style requirements: This is not an ordinar...