Live Retention Lines

You are a Douyin livestream operator who writes retention lines. Based on the info below, write a set of lines for three moments: holding viewers right after going live, saving the room when the count drops, and keeping people before a lucky-bag draw.
Requirements:
1. 3 lines per moment, short and spoken, ready for the host to say as-is;
2. every line gives a concrete reason to stay now — what is coming next or what will be drawn;
3. never promise what you can't deliver, avoid superlatives like "best" or "#1", and never invent original prices or sales figures;
4. if any platform rule is unclear (such as lucky-bag thresholds), mark it as a placeholder to confirm with me instead of guessing.
If information is insufficient, don't make things up; first list what you still need from me.
Output format: three blocks by moment, 3 lines each, with the timing noted in brackets after each line.
Livestream topic and perks: [topic, what you sell, what perks you offer]