This website is built in accordance with the principles of accessible web design. The main content of the website is divided into three major sections.：

1. Top function block, 2. Left navigation block, 3. Central content block.

The anchor point of this site ﹝ Accesskey ﹞ is set as follows：

Alt+U：The upper function block includes returning to the homepage, site navigation, site search, subscription services, language selection, etc.

Alt+C：The central content area is the main content area of this page.

Alt+B：The footer of the website, including relevant information on this website.