This website is built according to **web accessibility design principles**. The main content of the website is divided into four sections:
- **Upper Main Navigation Bar Section**
- **Left Secondary Navigation Bar Section**
- **Central Content Section**
The **Access Keys** for this website are set as follows:
Alt+U: **Upper Function Section**, including the **auxiliary navigation bar and main navigation bar functions**, etc.
Alt+C: **Central Content Section**, which is the **main content area of this page**.
Alt+H: **Lower Function Section**, including **footer information, privacy policy, information security policy**, etc.
※When the **item tabs** on this website cannot be clicked with a mouse, you can browse the information using the following keyboard operations:
← → or ↑↓ : **Press the left/right or up/down arrow keys to move the tab order**.
Home or End→: **Jump directly to the first or last tab item**.
Tab: **After staying on the tab, you can use the Tab key to jump to the content and browse the data**. When encountering a **tab**, you can use the **Enter key to jump to the content for browsing or Tab to the 'X' to close**.