This website is based on the design principle of accessibility and uses keyboard shortcuts to strengthen the browsing convenience. Layouts is divided in 4 areas：
[ 1 ] Top block area [ 2 ] Left menu area [ 3 ] Main content area [ 4 ] Bottom area

Accesskey guided as below :
Alt+U : Top block area, there are covering all kinds of languages script and main items.
Alt+L : Left menu area include the connections of individual.
Alt+C : Main content area shows the content of each page.
Alt+Z : Bottom area, the related information zone.