We need to produce an original article for keyword "Ligue Des Champions De L Uefa 2026". Must be 600-900 words, natural headings, using only safe HTML tags: h2, h3, p, ul, ol, li, strong, em. No markdown fences. No AI mention. Provide factual info about UEFA Champions League 2026 (though actual event hasn't happened yet, but we can discuss upcoming season, format, schedule, teams, etc). Must avoid unsupported claims. So we should be careful: we can talk about known info: the 2025-2026 UEFA Champions League season, format (32 teams, group stage, etc), draw dates, potential changes, etc. Use context hints: mention watching goals, highlights, etc. Provide links? The context includes a YouTube link placeholder but we cannot include external links? The instruction says only safe HTML tags, but we can include ?? Not listed. Only allowed tags: h2, h3, p, ul, ol, li, strong, em. So cannot use tags. So we cannot embed links. Must avoid unsupported claims; we can mention that official videos are available on UEFA's YouTube channel, but cannot link? Could mention but no. Might be okay to mention URL as plain text? That's not a tag, just text. Probably okay. We need 600-900 words. Let's aim ~750 words. Structure: h2 for main sections, h3 for subsections. We must not use other tags like header, section, etc. Only those listed. We'll produce something like:

Overview of the UEFA Champions League 2025‑2026

...

Then subheadings:

Format and Qualification

,

Key Dates and Draw Schedule

,

Notable Storylines

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How to Follow the Action

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Historical Context

,

Conclusion

. Make sure word count between 600-900. Let's draft about 750 words. We need to avoid unsupported claims: we can't say "PSG will win" etc. We can mention that defending champions are Real Madrid (if they won 2024-2025). Actually as of knowledge cutoff 2024-06, Real Madrid won 2023-2024? Actually Real Madrid won 2022-2023, Manchester City won 2022-2023? Wait: Real Madrid won 2021-2022, Manchester City won 2022-2023, Real Madrid won 2023-2024? Actually Real Madrid won 2023-2024? Let's check: 2022-2023 winner: Manchester City. 2023-2024 winner: Real Madrid (they beat Dortmund). So as of 2024-06, Real Madrid are defending champions for 2024-2025 season. For 2025-2026, we don't know yet. So we can say defending champions are Real Madrid (as of 2023-2024). That's a factual statement based on known data up to 2024. That's okay. We must not claim unsupported things like "the tournament will feature a new format". We can mention that UEFA has retained the traditional 32-team format for the 2025-2026 season, as announced. That is factual if true. Actually UEFA announced changes for 2024-2025? There's talk about a new format (36 teams, Swiss system) starting 2024-2025? Actually UEFA announced a new format for the Champions League starting 2024-2025: 36 teams,