Write a webinar script

Help me write a webinar script.
Inputs: topic; duration minutes; goal.

1. Pace the opening, core sections, demo and Q&A.
2. tie segments to learning or decisions.
3. prepare fallbacks for technical issues and overruns.

Deliver: Run of show, Script, Polls, Q&A plan, Follow-up, Placeholders.
Clarify critical gaps, separate facts from assumptions, and do not invent data, citations or completed actions.

My material: [fill in here]

事前準備

Provide topic; duration minutes; goal.