This website is built in accordance with the principles of web accessibility, and the main content of the website is divided into three main sections
: 1. Upper function block, 2. Left navigation block, 3. Central content block.
The Accesskey settings on this website are as follows:

Alt+U: the upper functional block, including back to homepage, website navigation, website search, etc.
Alt+L: The navigation section on the left is the main menu area of this website.
Alt+C: The central content block, which is the main content area of this page.
Alt+S: Site Search.