2. On the homepage or search bar of JD.COM Mall, enter the goods or categories you want to buy, and then click Search.
3. Browse the search results, select the goods to be purchased, and click on the goods to enter the product details page.
4. On the product details page, select the specifications and quantity to be purchased, and then click "Add to Shopping Cart" to add the product to the shopping cart.
5. Click on the shopping cart icon in the upper right corner to enter the shopping cart page and confirm the information and quantity of the selected goods.
6. On the settlement page, fill in the necessary information such as delivery address and contact information, and choose the delivery method.
7. In the "Payment Method" option, find and select "Youfu Card" as the payment method.
8. Enter the card number and password on the Royal Payment Card to confirm the payment.
9. Verify the payment information and click "Submit Order" after confirmation.
10. After the order is successfully submitted, you will receive an order confirmation page, and you will receive a confirmation email or information about the order.