Summary: RunningHub adds new navigation and AI applications.

Why It Matters: This shows RunningHub is making it easier for users to find and use AI tools.

What Changed:

• The main title changed from "创作惊艳的AI应用" to "RunningHub：高可用性云端ComfyUI，在线创作AI应用".
• New navigation links were added: "作品广场", "AI 应用", "工作流", "模型库", "API 调用".
• The "创作惊艳的AI应用" section now shows different AI applications with new user reviews.
• A "更多AI应用" link was added.
• The "高品质AI工作流社区" section now lists specific workflow posts with titles and authors.
• A "更多工作流" link was added.
• The "更好的ComfyUI开发工具和运行环境" section now has a "前往工作台" button.
• The "用API给您的业务赋能" section now has a "了解更多" button.
• The "预装丰富的模型库，涵盖流行热门" section now lists specific models with names and authors.
• A "更多模型" link was added.
• The "时刻跟踪上线最新ComfyUI节点" section now lists more nodes with details like popularity and date.
• New footer links were added: "服务协议", "隐私政策", "关于我们", and social media icons.
• New company and legal information was added to the footer.