// Use when planning promotional videos for software products - guides through style selection, content structure, script writing, and title/thumbnail design. Triggers on "视频宣传", "promotional video", "B站视频", "YouTube video", "产品演示视频", or video marketing requests.
Use when releasing a new version - guides through version bump, changelog generation, commit grouping, tagging, and GitHub CI tracking. Triggers on "发布新版本", "release", "发版", or version release requests.
Use when facing 2+ independent tasks that can be worked on without shared state or sequential dependencies
Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes
Use when creating new skills, editing existing skills, or verifying skills work before deployment
Electron main process and IPC development guidelines for Gemini-Subtitle-Pro. Use when working with IPC handlers, preload scripts, native integrations (ffmpeg, whisper, yt-dlp), file system operations, and desktop-specific features. Covers security requirements, IPC patterns, and cross-process communication.
React/TypeScript component development guidelines for Gemini-Subtitle-Pro. Use when creating components, pages, modals, forms, or working with TailwindCSS, hooks, and React 19 patterns. Covers component architecture, styling with Tailwind, state management, performance optimization, and accessibility.
| name | video-promo-planning |
| description | Use when planning promotional videos for software products - guides through style selection, content structure, script writing, and title/thumbnail design. Triggers on "视频宣传", "promotional video", "B站视频", "YouTube video", "产品演示视频", or video marketing requests. |
A data-driven workflow for planning software product promotional videos targeting B站 and YouTube. Based on creator best practices and platform algorithm insights.
| Metric | Data | Source |
|---|---|---|
| First 3 seconds | Verdict window - stay or leave | TechGig research |
| Hook window | 5-10 seconds to capture or lose viewer | Retention studies |
| Thumbnail decision | 10-20 milliseconds | Eye-tracking research |
| Face in thumbnail | 11x more noticeable | YouTube data |
| Silent viewing | 83% watch with sound off | Platform analytics |
| Caption impact | 80% more likely to finish with captions | Accessibility studies |
| Long-tail views | 40% of views happen after 30 days | Creator analytics |
| Pattern interrupt | +23% retention rate | A/B testing |
| Open loops | +32% watch time | Content experiments |
| Short demo sweet spot | 30-60 seconds for product demos | Product Hunt data |
Ask the user:
| Style | Best For | Characteristics |
|---|---|---|
| Screen Recording + Narration | Developer tools, complex features | Direct, efficient, shows real usage |
| Motion Graphics | Consumer apps, brand awareness | Polished, engaging, highlights benefits |
| Scenario Story | Lifestyle apps, emotional appeal | Relatable, shows transformation |
| Hybrid | Feature-rich products | Combines demo with storytelling |
Platform DNA:
| Video Type | B站 | YouTube | Notes |
|---|---|---|---|
| Quick Demo | 3-5 min | 2-3 min | Single feature, fast value |
| Full Introduction | 8-12 min | 5-8 min | Complete overview |
| Tutorial | 10-15 min | 8-12 min | Step-by-step guide |
| Story-driven | 5-8 min | 3-5 min | Emotional narrative |
| Shorts/竖屏 | <3 min | <60 sec | Hook → Value → CTA |
Golden rule: Content density > raw length. Cut ruthlessly.
The first 3 seconds are a verdict, not an introduction.
The viewer's brain asks three instant questions:
If any answer is "no", the thumb wins. You have 5-10 seconds max to prove value.
Hook Types:
| Type | Formula | Example |
|---|---|---|
| Negative Bias | "Stop doing X if you want Y" | "别再手动加字幕了，如果你想..." |
| Story Tease | "I almost lost everything when..." | "我差点因为字幕问题丢掉这个项目..." |
| Bold Claim | "Everything you know about X is wrong" | "你对字幕工具的认知可能完全错了" |
| Result First | Show impressive outcome immediately | [展示完美字幕效果] "这只用了3分钟" |
| Problem Pain | Relatable frustration | "字幕翻译要花3小时？我懂那种痛苦" |
Micro-Hooks (信号，不是句子):
Micro-hooks are signals, not sentences. They trigger instant attention:
Hook Techniques:
Anti-patterns to avoid:
AIDA Framework for Software:
1. ATTENTION (0:00-0:30) - THE HOOK
- Pattern interrupt or bold claim
- Show the "aha moment" immediately
- State the core benefit
2. INTEREST (0:30-2:00) - THE PROMISE
- Product introduction (brief)
- Core value proposition
- Quick demo of main feature
- "By the end of this video, you'll be able to..."
3. DESIRE (2:00-6:00) - THE PROOF
- Feature walkthrough (3-5 features max)
- Each feature: Pain → Solution → Demo
- Social proof if available
- Address common objections
4. ACTION (last 30s) - THE ASK
- Clear, specific CTA
- Links and resources
- Engagement ask (platform-specific)
Alternative: PAS Framework (shorter videos)
Problem (0:00-0:30) - Agitate the pain point
Agitate (0:30-1:30) - Make it worse, show consequences
Solution (1:30-end) - Your product as the hero
Script Template:
## [Section Name] (MM:SS-MM:SS)
**画面**: [What appears on screen - be specific]
**旁白**: [Narration text - conversational, short sentences]
**字幕**: [On-screen text/captions - 83% watch muted!]
**BGM**: [Music mood: upbeat/calm/dramatic/none]
**视觉效果**: [Zoom, highlight, transition notes]
[PAUSE] - Mark breathing points
[PATTERN BREAK] - Mark visual/audio changes
---
Script Principles:
Voice Guidelines:
Thumbnail Design (10-20ms to decide):
| Element | Guideline |
|---|---|
| Face | Include if possible (11x more noticeable) |
| Text | 3 words MAX, large font, readable at 100px |
| Contrast | High contrast colors, test at small size |
| Emotion | Curiosity, surprise, or transformation |
| Consistency | Series recognition for returning viewers |
Title Formulas:
| Formula | B站 Example | YouTube Example |
|---|---|---|
| [Result] + [Tool] | "10分钟生成专业字幕 - MioSub教程" | "Professional Subtitles in 10 Minutes" |
| [Problem] → [Solution] | "字幕翻译太慢？AI帮你搞定" | "Slow Subtitle Translation? Try This" |
| [Number] + [Benefit] | "5个让效率翻倍的技巧" | "5 Tips to Double Your Speed" |
| [Comparison] | "MioSub vs 传统工具：实测对比" | "MioSub vs Traditional Tools: Tested" |
| [How-to] | "如何用AI自动生成双语字幕" | "How to Auto-Generate Bilingual Subs" |
Title Rules:
Provide the user with:
"Knowing who watched, how long they watched, and where they dropped off makes the demo a real growth lever, not just a nice-to-have."
After publishing, track:
| Metric | What It Tells You | Action |
|---|---|---|
| Drop-off points | Where viewers lose interest | Tighten that section |
| Completion rate | Overall engagement | Adjust length/pacing |
| Click-through rate | Thumbnail/title effectiveness | A/B test variations |
| Replay sections | What viewers found valuable | Double down on that content |
| Comments/弹幕 | Audience questions/confusion | Address in next video |
Iteration cycle:
MrBeast's Core Insight:
"If your motivation for grinding is so you can buy a nice car and maybe buy a nice house, you're not going to be one of the greats."
Content compounds over time:
One Asset, Multiple Channels (复用策略):
The same demo video works across:
Create once, distribute everywhere. Adapt length/format per channel.
Cross-platform workflow:
| Mistake | Fix |
|---|---|
| Weak hook | Show result or pain in first 3 seconds |
| No captions | 83% watch muted - captions are mandatory |
| Feature dump | Focus on 3-5 benefits, not all features |
| Generic thumbnail | Face + 3 words + high contrast |
| Same for both platforms | Adapt pacing, style, and metadata |
| Marketing speak | Talk like a builder, be honest about tradeoffs |
| Ignoring long-tail | Content keeps working for months - invest in quality |
| No tracking | Can't improve what you don't measure |
| Cluttered background | Distracts before message lands - clean your frame |
| One-and-done | Iterate based on drop-off data |
See references/platform-guide.md for detailed B站 and YouTube optimization strategies including:
Product Video Examples Library:
Key Sources for This Skill: