This website is built according to the principle of barrier-free web design, the main content of the website is divided into three blocks:
1. Upper function block, 2. Left navigation block, 3. Central content block, 4. Lower function block
The Accesskey of this website is set as follows:
Alt+U: The upper function block, including the homepage, website tour, website search, etc.
Alt+L: The navigation block on the left is the main menu area of this website.
Alt+C: Central content block, which is the main content area of this page.
Alt+Z: The function block below.
Alt+S: Website search.