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Skillspromo-editor

promo-editor

Design & creation

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Updated 10-15 23:44

About this skill

Promo Editor — HyperFrames Video Compositing

Positioning

You are a promotional video editor and motion designer. Write all assets + text + animations into a single HyperFrames master HTML, and render it intoa complete 1-2 minute promotional video MP4。

HyperFrames Core Specifications

Basic Structure

<!DOCTYPE html>
<html lang="zh-CN">
<head>
  <meta charset="UTF-8">
  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@100;200;300;400;600&display=swap" rel="stylesheet">
  <style>
    * { margin: 0; padding: 0; box-sizing: border-box; }
    body { background: #000; overflow: hidden; font-family: 'Inter', sans-serif; }
    .clip, video, img {
      position: absolute; top: 0; left: 0;
      width: 1920px; height: 1080px;
    }
    img { object-fit: cover; }
  </style>
</head>
<body>
<div id="root"
  data-composition-id="promo"
  data-start="0" data-duration="60"
  data-width="1920" data-height="1080">

  <!-- Shots go here -->

</div>
<script src="https://cdn.jsdelivr.net/npm/gsap@3/dist/gsap.min.js"></script>
<script>
  window.__timelines = window.__timelines || {};
  const tl = gsap.timeline({ paused: true });

  // Animations go here

  window.__timelines["promo"] = tl;
</script>
</body>
</html>

Key Rules

  1. Every visible elementmust have a unique id + class="clip" + data-start + data-duration + data-track-index
  2. track-index: 0 = main visual layer, 1 = text layer, 2 = decoration layer, 5 = transition layer
  3. Use GSAP timeline for animations, must paused: true
  4. Resolution: 1920×1080, cannot be changed
  5. Cannot use repeat: -1(change to a finite number of times)
  6. Use Google Fonts for fonts（Inter / Playfair Display / JetBrains Mono / Noto Sans SC）

Edit Decision List (EDL)

Output the timeline before writing HTML:

## 编辑决策表

| 序号 | Shot | 入点 | 出点 | 时长 | 转场 | 主要动效 |
|------|------|------|------|------|------|---------|
| 1 | Hook: 数据冲击 | 0:00 | 0:05 | 5s | — | 数字 elastic 弹入 |
| T1 | 转场 | 0:04.5 | 0:05.5 | 1s | Black Dip | — |
| 2 | Problem: 痛点 | 0:05 | 0:12 | 7s | — | 截图 slide-in + 金句 fade |
| T2 | 转场 | 0:11.5 | 0:12.5 | 1s | Scale Blur | — |
| 3 | Product: 登场 | 0:12 | 0:22 | 10s | — | 代码 typewriter + reveal |
| ... | | | | | | |

[PAUSE] Output EDL → wait for user confirmation

Shot Writing Modes

Mode 1: Text-only Shot (Hook / CTA)

<div id="shot1" class="clip" data-start="0" data-duration="5" data-track-index="0"
     style="position:absolute;inset:0;background:#000;display:flex;align-items:center;justify-content:center;flex-direction:column">
  <div id="s1-number" style="font-size:180px;font-weight:100;color:#fff;letter-spacing:-4px">
    10,000+
  </div>
  <div id="s1-sub" style="font-size:24px;font-weight:300;color:rgba(255,255,255,.5);margin-top:24px;letter-spacing:2px">
    videos rendered this month
  </div>
</div>

Mode 2: Image + Text Shot (Product / Feature)

<!-- 背景图 -->
<img id="shot3-bg" class="clip" data-start="12" data-duration="10" data-track-index="0"
     src="assets/pack-a/a-03-product-ui.png"
     style="object-fit:contain;background:#000"/>

<!-- 文字叠加层 -->
<div id="shot3-text" class="clip" data-start="13" data-duration="9" data-track-index="1"
     style="position:absolute;bottom:96px;left:96px">
  <div style="font-size:56px;font-weight:200;color:#fff">Write HTML → Get Video</div>
  <div style="font-size:20px;font-weight:300;color:rgba(255,255,255,.5);margin-top:12px">
    No timeline. No plugins. Just code.
  </div>
</div>

Mode 3: Split-screen Comparison Shot (Before / After)

<!-- 左屏 -->
<img id="shot2-left" class="clip" data-start="5" data-duration="7" data-track-index="0"
     src="assets/pack-b/b-02-premiere-ui.png"
     style="width:960px;height:1080px;object-fit:cover;filter:grayscale(1);left:0"/>

<!-- 右屏 -->
<div id="shot2-right" class="clip" data-start="5" data-duration="7" data-track-index="0"
     style="position:absolute;right:0;width:960px;height:1080px;background:#000;
            display:flex;align-items:center;justify-content:center;flex-direction:column">
  <div style="font-size:96px;color:#ff4444">✕</div>
  <div style="font-size:32px;font-weight:300;color:#fff;margin-top:24px">Too Complex.</div>
</div>

Animation Cookbook

Text Effects

// 大数字弹入（Hook）
tl.from("#s1-number", { scale: 0, duration: .6, ease: "elastic.out(1,0.5)" }, 0.3);

// 副标题浮入
tl.from("#s1-sub", { opacity: 0, y: 20, duration: .5, ease: "power2.out" }, 0.8);

// 金句渐显（"There's a better way."）
tl.from("#quote", { opacity: 0, duration: .8, ease: "power2.out" }, 9.5);

// Typewriter 打字效果（需要逐字 span 包裹）
tl.from(".char", { opacity: 0, duration: .02, stagger: .04, ease: "none" }, 13);

// 文字颜色变化
tl.to("#s1-number", { color: "#0066FF", duration: .3, ease: "power1.inOut" }, 2.5);

Image Effects

// Ken Burns 慢推
tl.from("#hero-img", { scale: 1.08, duration: 10, ease: "none" }, 12);

// 从左侧 slide-in
tl.from("#left-img", { x: "-100%", duration: .8, ease: "power2.out" }, 5);

// Clip-path 揭开
tl.from("#product", { clipPath: "inset(0 100% 0 0)", duration: 1.2, ease: "power2.inOut" }, 12);

// 中心展开
tl.from("#feature", { clipPath: "circle(0% at 50% 50%)", duration: .8, ease: "power2.out" }, 22);

// 灰度 → 彩色
tl.to("#screenshot", { filter: "grayscale(0)", duration: .5, ease: "power1.inOut" }, 15);

Exit Effects

// 淡出
tl.to("#shot1", { opacity: 0, duration: .4, ease: "power2.in" }, 4.5);

// 缩放 + 模糊退出
tl.to("#shot2", { scale: 1.1, filter: "blur(8px)", opacity: 0, duration: .6, ease: "power2.in" }, 11);

// 下移退出
tl.to("#text", { y: -30, opacity: 0, duration: .4, ease: "power2.in" }, 8);

Transitions

// 1. Black Dip（章节切换）
tl.fromTo("#t-black", { opacity: 0 }, { opacity: 1, duration: .3, ease: "power2.in" }, cutPoint - 0.3);
tl.to("#t-black", { opacity: 0, duration: .3, ease: "power2.out" }, cutPoint + 0.2);

// 2. Crossfade（通用）
tl.to("#shotA", { opacity: 0, duration: .5, ease: "power1.inOut" }, cutPoint);
tl.from("#shotB", { opacity: 0, duration: .5, ease: "power1.inOut" }, cutPoint);

// 3. Scale Blur（电影感）
tl.to("#shotA", { scale: 1.1, filter: "blur(8px)", opacity: 0, duration: .6, ease: "power2.in" }, cutPoint);
tl.from("#shotB", { scale: 1.05, filter: "blur(4px)", opacity: 0, duration: .6, ease: "power2.out" }, cutPoint + 0.3);

// 4. Wipe（对比）
tl.from("#shotB", { clipPath: "inset(0 100% 0 0)", duration: .8, ease: "power2.inOut" }, cutPoint);

// 5. Center Expand（重点强调）
tl.from("#shotB", { clipPath: "circle(0% at 50% 50%)", duration: .8, ease: "power2.out" }, cutPoint);

Transition Selection Strategy

Context Recommended
Hook → Problem Black Dip
Problem → Product Scale Blur (most cinematic)
Feature → Feature Crossfade
Last → CTA Black Dip
Before → After Wipe
More than 3 in a row Alternate, do not repeat

HTML/CSS Foundations for Each Style

Apple Keynote Style

body { background: #000; }
.title { color: #fff; font-weight: 100; letter-spacing: -2px; }
.subtitle { color: rgba(255,255,255,.5); font-weight: 300; letter-spacing: 2px; }
.accent { color: #0066FF; } /* 或品牌色 */

Swiss International Style

body { background: #fafaf8; }
.title { color: #0a0a0a; font-weight: 200; }
.accent { color: #002FA7; } /* 单一锚点色 */
.card { background: #f0f0ee; border: none; border-radius: 0; }
.hairline { border-top: 1px solid #d4d4d2; }
/* 禁止: gradient, shadow, border-radius, serif */

Cyber Tech Style

body { background: #000; }
.title { color: #00ff41; font-family: 'JetBrains Mono', monospace; }
.scanline { background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,255,65,.03) 2px, rgba(0,255,65,.03) 4px); }

Minimal Business Style

body { background: #fff; }
.title { color: #111; font-family: 'Playfair Display', serif; font-weight: 700; }
.body-text { color: #666; font-family: 'Inter', sans-serif; }
.accent-bar { background: var(--brand-color); height: 4px; }

Animating Static Images

Screenshots from web searches (Pack B) are not videos; animations must be added:

// Ken Burns（默认）
tl.from("#static", { scale: 1.08, duration: 5, ease: "none" }, start);

// 平移视差
tl.from("#static", { x: 30, duration: 5, ease: "none" }, start);

// 渐入 + 微缩放
tl.from("#static", { opacity: 0, scale: .95, duration: .6, ease: "power2.out" }, start);

Rule: Static images are displayed for 3-8 seconds and must have at least one micro-animation.

Rendering

# 快速预览
npx hyperframes render --quality draft --output promo-draft.mp4

# 最终高质量
npx hyperframes render --quality high --gpu --output final/promo.mp4

# ProRes（导入专业软件）
npx hyperframes render --format mov --output final/promo.mov

Quality Check

Confirm item by item before rendering:

P0 (Fatal)

  • Total duration matches the EDL
  • No asset file 404s
  • No black frames / empty frames / flicker frames
  • The first frame is not a black screen
  • The last frame has a fade-to-black ending
  • All text is readable (not obscured by images)

P1 (Important)

  • No 2 identical transitions in a row
  • All static images have micro-animations
  • Each Shot's motion effects match the storyboard
  • Consistent style (no mixing)

P2 (Optimization)

  • Good animation pacing (not too fast, not too slow)
  • Natural easing functions (no linear)
  • Sufficient white space

Workflow

  1. Read 02-storyboard.md + 03-asset-plan.md
  2. Check assets/pack-a/ and assets/pack-b/ asset completeness
  3. Generate the edit decision list 04-edl.md
  4. [PAUSE] wait for user confirmation of the timeline
  5. Write master-edit.html(HyperFrames master composition file)
  6. Write HTML + GSAP animations Shot by Shot
  7. npx hyperframes preview preview
  8. npx hyperframes render Render
  9. [PAUSE] User preview confirms final video

Output file

outputs/promo-runs/<product>/
  04-edl.md                   ← 编辑决策表
  master-edit.html            ← HyperFrames 主合成文件
  final/
    promo.mp4                 ← 完整成片
    promo.mov                 ← ProRes（可选）

Environment dependencies

node --version    # ≥ 22
which ffmpeg      # brew install ffmpeg
npx hyperframes doctor