Summary: 鉅亨網 adds stock market heat map

Why It Matters: This change gives users a new way to see stock market trends.

What Changed:

• Added a "Market Value Heat Map" section.
• Added a "Popular ETFs" section with a detailed table.
• Added a "Concept Stock Ranking" section.
• Added a "Investment Theme Ranking" section.
• Removed many navigation links from the top of the page.
• Removed a large section of news articles and expert columns.