The size of the Douyin product landing page is 750 pixels wide and the height is unlimited. When designing the Douyin product landing page, you need to pay attention to the clarity and aesthetics of the page layout and content presentation. It is recommended to use clear pictures and concise text to highlight the characteristics and selling points of the product, and provide clear purchase links and purchase process guidance so that users can purchase the product smoothly. In addition, the design of marketing activities also needs to take into account the characteristics and preferences of Douyin users, combining platform features and popular elements to attract users' attention and participation.