This mailing address is filled in the contact address column on the page where you fill in personal information. The specific steps are as follows:

1. According to Toutiao information, open the official website of CITIC Bank, find the "Credit Card" menu on the homepage, hover the mouse over it, and select "CITIC Credit Card" from the submenu that pops up. , and then select "Personal Credit Card."

2. On the personal credit card page, find "i Platinum Card" and click the "Online Application" button.

3. Enter the online application page and fill in relevant personal information according to the prompts, including name, ID number, residential address, etc. After filling in, check "Mail billing address is different from home address" and fill in detailed mailing address information in the mailing address column.

4. After confirming that the filling is correct, submit the application and wait for the bank's approval before proceeding to the next step.