This website is built according to accessible web design principles. The main content of the website is divided into three major sections:
1. Top function block、2. Central content block、3. Bottom footer block
The accessibility keys (Accesskey, also known as shortcut keys) for this website are set as follows:
Top function option area, this block lists the main functional links of this website.
Central content block, this block contains the main content of this website.
Bottom footer block, this block contains the footer information of this website.
