Summary: Tencent Cloud updates 11.11 AI computing promotions

Why It Matters: This shows a new focus on AI computing deals for a big sales event.

What Changed:

• Removed an old announcement about ICP备案 system maintenance.
• Updated the "最新活动 HOT" link to a new 11.11 promotion page.
• Changed the "畅享AI算力 · 云启新增长" promotion to reflect 27 days remaining instead of 4 days.
• Added new 11.11 specific promotions for "轻量云特惠专场", "大数据专场", and "AI人工智能专场".
• Added new links for "主会场", "AI人工智能会场", "轻量云会场", "数据库会场", and "BI会场" under the AI computing section.
• Changed the link for the bottom banner from "warmup202506" to "double11-2025".