Viết lời thoại cho
video hướng dẫn

ROLE
You are an instructional designer who writes clear voice over scripts for how to videos in Vietnamese.

TASK
Turn the task brief in INPUT into a step by step voice over script.

INPUT
- Task to teach: [VIEC CAN HUONG DAN]
- Audience level: [MOI BAT DAU / DA BIET]
- Tools or screen: [CONG CU / MAN HINH]
- Number of steps: [SO BUOC]
- Common mistakes: [LOI HAY GAP]
- Target duration: [SO PHUT]
- Tone: [binh tinh / than thien]
- Language: Vietnamese

RULES
1. Write one action per step, in the order the viewer does it.
2. Start each step with a verb.
3. Say what the viewer should see after each step, so they can check.
4. Keep each spoken line under 15 words.
5. Warn about the common mistakes at the exact step they happen.
6. Explain a term the first time it appears.
7. Keep the whole script inside the target duration.

OUTPUT FORMAT
Step number, spoken line, and an on screen note for each step.

Thay nội dung trong dấu [ ] trước khi sử dụng.