amplitude-ui-skills

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Amplitude UI Skills

Amplitude UI 设计指南

Opinionated constraints for building Amplitude-style interfaces with AI agents.

为使用AI Agent构建Amplitude风格界面制定的约束性指南。

When to Apply

适用场景

Reference these guidelines when:

Building light-mode interfaces
Creating Amplitude-inspired design systems
Implementing UIs with Inter font and 4px grid

在以下场景中参考本指南：

构建浅色模式界面时
创建Amplitude风格的设计系统时
采用Inter字体和4px网格实现UI时

Colors

色彩规范

SHOULD use light backgrounds for primary surfaces
MUST use
```
#000000
```
as page background (
```
surface-base
```
)
MUST use
```
#3151E1
```
for primary actions and focus states (
```
accent
```
)
SHOULD reduce color palette (currently 25 colors detected)
MUST maintain text contrast ratio of at least 4.5:1 for accessibility

主界面区域应使用浅色背景
页面背景必须使用
```
#000000
```
（对应
```
surface-base
```
）
主要操作和焦点状态必须使用
```
#3151E1
```
（对应
```
accent
```
）
应精简色彩调色板（当前检测到25种颜色）
为保证无障碍性，文本对比度必须至少达到4.5:1

Semantic Tokens

语义化色彩变量

Token	HEX	RGB	Usage
`surface-base`	#000000	rgb(0,0,0)	Page background
`surface-raised`	#FFFFFF	rgb(255,255,255)	Cards, modals, raised surfaces
`surface-overlay`	#EFF0F4	rgb(239,240,244)	Overlays, tooltips, dropdowns
`text-primary`	#171717	rgb(23,23,23)	Headings, body text
`text-2`	#383838	rgb(56,56,56)	Additional text
`text-secondary`	#BBBBBB	rgb(187,187,187)	Secondary, muted text
`border-default`	#3A3A3A	rgb(58,58,58)	Subtle borders, dividers
`accent`	#3151E1	rgb(49,81,225)	Primary actions, links, focus

变量	十六进制值	RGB值	用途
`surface-base`	#000000	rgb(0,0,0)	页面背景
`surface-raised`	#FFFFFF	rgb(255,255,255)	卡片、模态框、悬浮层
`surface-overlay`	#EFF0F4	rgb(239,240,244)	覆盖层、提示框、下拉菜单
`text-primary`	#171717	rgb(23,23,23)	标题、正文文本
`text-2`	#383838	rgb(56,56,56)	辅助文本
`text-secondary`	#BBBBBB	rgb(187,187,187)	次要、弱化文本
`border-default`	#3A3A3A	rgb(58,58,58)	细微边框、分隔线
`accent`	#3151E1	rgb(49,81,225)	主要操作、链接、焦点状态

Typography

排版规范

MUST use
```
Inter
```
as primary font family
SHOULD use single font family for consistency
MUST use
```
58px
```
/
```
700
```
for primary headings
MUST use
```
23px
```
/
```
500
```
for body text
SHOULD reduce font weights (currently 4 detected)
MUST use
```
text-balance
```
for headings and
```
text-pretty
```
for body text
SHOULD use
```
tabular-nums
```
for numeric data
NEVER modify letter-spacing unless explicitly requested

必须使用
```
Inter
```
作为主要字体族
为保证一致性，应使用单一字体族
一级标题必须使用
```
58px
```
/
```
700
```
规格
正文文本必须使用
```
23px
```
/
```
500
```
规格
应精简字体粗细（当前检测到4种）
标题必须使用
```
text-balance
```
，正文必须使用
```
text-pretty
```
数值数据应使用
```
tabular-nums
```
除非明确要求，否则不得修改字间距

Text Styles

文本样式

Style	Font	Size	Weight	Color	Count
`heading-1`	Inter	58px	700	#1D46E1	1
`heading-2`	Inter	56px	700	#161616	1
`text-40px`	Inter	40px	700	#171717	1
`body`	Inter	23px	500	#282828	1
`text-19px`	Inter	19px	400	#656565	1
`text-16px`	Inter	16px	400	#383838	1
`text-14px`	Inter	14px	400	#474747	1
`text-14px`	Inter	14px	400	#3E3E3E	1
`text-13px`	Inter	13px	400	#BBBBBB	1
`text-13px`	Inter	13px	400	#575757	1

样式	字体	字号	字重	颜色	计数
`heading-1`	Inter	58px	700	#1D46E1	1
`heading-2`	Inter	56px	700	#161616	1
`text-40px`	Inter	40px	700	#171717	1
`body`	Inter	23px	500	#282828	1
`text-19px`	Inter	19px	400	#656565	1
`text-16px`	Inter	16px	400	#383838	1
`text-14px`	Inter	14px	400	#474747	1
`text-14px`	Inter	14px	400	#3E3E3E	1
`text-13px`	Inter	13px	400	#BBBBBB	1
`text-13px`	Inter	13px	400	#575757	1

Typography Reference

排版参考

Font Families:

```
Inter
```
(used 51x)

Font Sizes: 5px, 6px, 7px, 8px, 9px, 10px, 11px, 13px, 14px, 16px, 19px, 23px, 40px, 56px, 58px

字体族：

```
Inter
```
（使用51次）

字号： 5px, 6px, 7px, 8px, 9px, 10px, 11px, 13px, 14px, 16px, 19px, 23px, 40px, 56px, 58px

Spacing

间距规范

MUST use 4px grid for spacing
SHOULD use spacing from scale: 1px, 2px, 3px, 4px, 5px, 6px, 7px, 11px
SHOULD use 4px as default gap between elements
NEVER use arbitrary spacing values (use design scale)
SHOULD maintain consistent padding within containers

必须使用4px网格作为间距基准
应使用以下间距刻度值：1px, 2px, 3px, 4px, 5px, 6px, 7px, 11px
元素间默认间距应设为4px
不得使用任意间距值，必须遵循设计刻度
容器内的内边距应保持一致

Borders

边框规范

MUST use border-radius from scale: 1px, 2px, 3px, 5px, 6px, 12px, 18px, 25px
SHOULD use 25px+ radius for pill-shaped elements
SHOULD limit border widths to: 1px, 2px, 4px
SHOULD use 25px as default border-radius
NEVER use arbitrary border-radius values (use design scale)
SHOULD use subtle borders (1px) for element separation

必须使用以下圆角刻度值：1px, 2px, 3px, 5px, 6px, 12px, 18px, 25px
胶囊状元素应使用25px及以上的圆角
边框宽度应限制为：1px, 2px, 4px
默认圆角应设为25px
不得使用任意圆角值，必须遵循设计刻度
元素分隔应使用细微边框（1px）

Border Radius Reference

圆角参考

Scale: 1px, 2px, 3px, 5px, 6px, 12px, 18px, 25px

刻度值： 1px, 2px, 3px, 5px, 6px, 12px, 18px, 25px

Layout

布局规范

MUST design for 1920px base viewport width
SHOULD use consistent element widths: 118px, 17px, 135px, 14px, 9px
SHOULD maintain text-heavy layout with clear hierarchy
NEVER use
```
h-screen
```
, use
```
h-dvh
```
for full viewport height
MUST respect
```
safe-area-inset
```
for fixed elements
SHOULD use
```
size-*
```
for square elements instead of
```
w-*
```
+
```
h-*
```

必须以1920px作为基准视口宽度进行设计
应使用统一的元素宽度：118px, 17px, 135px, 14px, 9px
应保持文本为主的布局，层级清晰
不得使用
```
h-screen
```
，应使用
```
h-dvh
```
实现全屏高度
固定元素必须遵循
```
safe-area-inset
```
安全区域规范
方形元素应使用
```
size-*
```
，而非
```
w-*
```
+
```
h-*
```

Detected Layout Patterns

已检测到的布局模式

Main Content: width: 1465px, height: 988px

主内容区：宽度1465px，高度988px

Components

组件规范

Buttons

按钮

Variant	Background	Text	Border	Height	Radius
Ghost	transparent	#383838	none	-	-

变体	背景色	文本色	边框	高度	圆角
Ghost	transparent	#383838	none	-	-

Interactive States

交互状态规范

Focus

焦点状态

MUST use
```
2px
```
outline with accent color (
```
#3151E1
```
)
MUST use
```
2px
```
outline-offset
NEVER remove focus indicators

必须使用2px宽的
```
#3151E1
```
（accent色）外轮廓
必须设置2px的外轮廓偏移量
不得移除焦点指示器

Hover

悬停状态

Buttons (primary): lighten background by 10%
Buttons (secondary): use
```
#FFFFFF
```
background
List items: use
```
#FFFFFF
```
background

主按钮：背景色提亮10%
次要按钮：使用
```
#FFFFFF
```
作为背景色
列表项：使用
```
#FFFFFF
```
作为背景色

Disabled

禁用状态

MUST use
```
opacity: 0.5
```
MUST use
```
cursor: not-allowed
```

必须设置
```
opacity: 0.5
```
必须设置
```
cursor: not-allowed
```

Interaction

交互规范

MUST use an
```
AlertDialog
```
for destructive or irreversible actions
SHOULD use structural skeletons for loading states
MUST show errors next to where the action happens
NEVER block paste in
```
input
```
or
```
textarea
```
elements
MUST add an
```
aria-label
```
to icon-only buttons

破坏性或不可逆操作必须使用
```
AlertDialog
```
加载状态应使用结构化骨架屏
错误提示必须显示在操作发生的位置附近
不得禁止
```
input
```
或
```
textarea
```
元素的粘贴功能
纯图标按钮必须添加
```
aria-label
```

Animation

动画规范

NEVER add animation unless it is explicitly requested
MUST animate only compositor props (
```
transform
```
,
```
opacity
```
)
NEVER animate layout properties (
```
width
```
,
```
height
```
,
```
top
```
,
```
left
```
,
```
margin
```
,
```
padding
```
)
SHOULD use
```
ease-out
```
on entrance animations
NEVER exceed
```
200ms
```
for interaction feedback
SHOULD respect
```
prefers-reduced-motion
```

除非明确要求，否则不得添加动画
仅允许对合成器属性（
```
transform
```
、
```
opacity
```
）执行动画
不得对布局属性（
```
width
```
、
```
height
```
、
```
top
```
、
```
left
```
、
```
margin
```
、
```
padding
```
）执行动画
入场动画应使用
```
ease-out
```
缓动函数
交互反馈动画时长不得超过200ms
应遵循
```
prefers-reduced-motion
```
用户偏好设置

Performance

性能规范

NEVER animate large
```
blur()
```
or
```
backdrop-filter
```
surfaces
NEVER apply
```
will-change
```
outside an active animation
NEVER use
```
useEffect
```
for anything that can be expressed as render logic

不得对大面积区域执行
```
blur()
```
或
```
backdrop-filter
```
动画
仅在动画执行期间使用
```
will-change
```
任何可通过渲染逻辑实现的功能，不得使用
```
useEffect
```