Prompt: - Create a certificate in the form of the backpack itself, so that it looks unique and attractive. - Add creative backgrounds such as geometric patterns or abstract elements to draw attention to the certificate. - The inclusion of elements in the design that correspond to the style of backpacks (for example, belts, zippers, pockets) to strengthen the connection between the certificate and the product. - Using shadow or three-dimensional effects to make the design more realistic and attractive. - Add creative fonts and text styles to highlight the main details of the certificate, such as the amount and description.

Negative: text