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* build: try to use dumi as doc tool * docs: migrate demo structure to dumi way * refactor: use type export & import * docs: migrate demo previewer to dumi * docs: create empty layout & components * docs: apply custom rehype plugin * docs: create empty extra pages * docs: Add Banner component * chore: move theme tsconfig.json * docs: home page init * docs: migrate header (#37896) * docs: header * docs: update * docs: home init * clean up * test: fix site lint * chore: tsc ignore demo * chore: dumi demo migrate script * chore: cards * docs: home layout * docs: Update locale logic * docs: fix getLink logic * chore: fix ci (#37899) * chore: fix ci * ci: remove check-ts-demo * ci: preview build * test: ignore demo.tsx * chore: update script * test: update snapshot * test: update node and image test * chore: add .surgeignore * docs: layout providers (#37908) * docs: add components sidebar (#37923) * docs: sidebar * docs: update docs title * docs: update design doc * chore: code clean * docs: handle changelog page * docs: add title * docs: add subtitle * docs: active header nav * chore: code clean * docs: overview * chore: code clean * docs: update intl (#37918) * docs: update intl * chore: code clean * docs: update favicons * chore: update testPathIgnorePatterns * chore: code clean * chore: code clean * chore: copy 404.html (#37996) * docs: Home page theme picker * chore: Update migrate script * docs: home page update * docs: theme editor style * docs: theme lang * chore: update migrate.js * docs: fix demo (#38094) * chore: update migrate.js * docs: update md * docs: update demo * test: fix snapshot * chore: move debug to code attr in migrate script * chore: update md Co-authored-by: PeachScript <scdzwyxst@gmail.com> * feat: overview page * feat: Migrate `404` page (#38118) * feat: migrate IconSearch component (#37916) * feat<site/IconSearch>: copy IconDisplay from site to .dumi * feat<site/IconSearch>: change docs of icon * feat<site/IconSearch>: tweak * feat<site/IconSearch>: use useIntl instead of injectIntl * feat<site/IconSearch>: fix ts type error * feat<site/IconSearch>: use intl.formatMessage to render text * docs: Adjust home btn sizw * docs: Update doc * feat: v5 site overview page (#38131) * feat: site * fix: fix * feat: v5 site overview page * fix: fix path * fix: fix * fix: fix * docs: fix margin logic * feat: v5 site change-log page (#38137) * feat: v5 site change-log page (#38162) * docs: site redirect to home pag * docs: theme picker * docs: use react-intl from dumi (#38183) * docs: Theme Picker * docs: update dumi config * docs: home back fix * docs: picker colorful * docs: locale of it * docs: update components desc * docs: site of links * docs: update components list * docs: update desc * feat: Migrate `DemoWrapper` component (#38166) * feat: Migrate `DemoWrapper` component * feat: remove invalid comments and add comment for `key` prop * docs: FloatButton pure panel * chore: update demo * chore: update dumi config * Revert "chore: update demo" This reverts commit 028265d3ba5987df5f13c3e9d42cf76cb1812b2e. * chore: test logic adjust to support cnpm modules * chore: add locale alias * docs: /index to / * docs: add locale redirect head script * chore: adjust compact * docs: fix missing token * feat: compact switch * chore: code clean * docs: update home * docs: fix radius token * docs: hash of it * chore: adjust home page * docs: Add background map * docs: site theme bac logic * docs: avatar * docs: update logo color * docs: home banner * docs: adjust tour size * docs: purepanl update * docs: transfooter * docs: update banner gif * docs: content (#38361) * docs: title & EditButton * docs: content * chore: fix toc * docs: resource page * docs: transform resource data from hast * docs: filename & Resource Card * chore: enable prerender * chore: remove less * docs: toc style * chore: fix lint * docs: fix Layout page * docs: fix CP page * chore: update demos * docs: workaround for export dynamic html * chore: enable demo eslint * docs: table style * fix: header shadow * chore: update snapshot * fix: toc style * docs: add title * docs: Adjust site * feat: helmet * docs: site css * fix: description * feat: toc debug * docs: update config-provider * feat: use colorPanel * fix: colorPanel value * feat: anchor ink ball style * feat: apply theme editor * fix: code block style * chore: update demo * chore: fix lint * chore: code clean * chore: update snapshot * feat: ts2js * chore: description * docs: site ready for ssr includes: - move client render logic to useEffect in site theme - extract antd cssinjs to a single css file like bisheng - workaround to support react@18 pipeableStream for emotion * chore: bump testing lib * docs: font size of title * chore: remove react-sortable-hoc * chore: update snapshot * chore: update script Co-authored-by: PeachScript <scdzwyxst@gmail.com> Co-authored-by: MadCcc <1075746765@qq.com> Co-authored-by: zqran <uuxnet@gmail.com> Co-authored-by: TrickyPi <530257315@qq.com> Co-authored-by: lijianan <574980606@qq.com>
347 lines
9.0 KiB
Markdown
347 lines
9.0 KiB
Markdown
---
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group: 全局样式
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order: 6
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title: 阴影
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---
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阴影来源于现实生活的反映物体与物体之间距离的物理现象。在界面中,我们往往通过模拟元素的投影直截了当的来告诉用户,元素之间的高度距离与层次关系。
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## 高度
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阴影是由两个不同阶层的平面产生,且强度由两者之间的距离决定。所以物体的高度直接影响物体的阴影,对象离地面越远阴影越大,模糊值越高。我们将系统分为无、低、中、高四个 UI 层级,各自分布在不同的高度层级,阴影属性也有所不同。
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<div>
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<img class="preview-img no-padding" src="https://gw.alipayobjects.com/mdn/rms_08e378/afts/img/A*o-OFQK5hJP0AAAAAAAAAAABkARQnAQ" alt="高度">
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</div>
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**第 0 层**:物体紧贴地面,投影与物体完全重叠,在界面中不对此层定义阴影值。如:输入框等;
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<div>
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<img class="preview-img no-padding" src="https://gw.alipayobjects.com/mdn/rms_08e378/afts/img/A*li3zQbxRuOMAAAAAAAAAAABkARQnAQ" alt="高度">
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</div>
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**第 1 层**: 物体位于低层级,此时物体被操作(悬停、点击等)触发为悬浮状态,当操作完成或取消时,悬停状态反馈也跟随消失,物体回归到原有的层级中,如:卡片 hover 等;
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<div>
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<img class="preview-img no-padding" src="https://gw.alipayobjects.com/mdn/rms_08e378/afts/img/A*mXnoSI8MWuEAAAAAAAAAAABkARQnAQ" alt="高度">
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</div>
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**第 2 层**:物体位于中层级,此时物体与基准面的关系是展开并跟随,物体由地面上的元素展开产生,会跟随元素所在层级的移动而移动,如:下拉面板等;
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<div>
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<img class="preview-img no-padding" src="https://gw.alipayobjects.com/mdn/rms_08e378/afts/img/A*yNOwR6Gqy4MAAAAAAAAAAABkARQnAQ" alt="高度">
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</div>
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**第 3 层**:物体位于高层级,该物体的运动和其他层级没有关联,如:对话框等。
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<div>
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<img class="preview-img no-padding" src="https://gw.alipayobjects.com/mdn/rms_08e378/afts/img/A*4pFoR4gWL2oAAAAAAAAAAABkARQnAQ" alt="高度">
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</div>
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## 光源
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阴影的方向是由光源与物体的相对位置所决定的。假定光源所处高度不变,光源与物体的距离和物体与阴影的距离成正比。光源越远,则阴影距离物体越远。阴影的方向在界面里通常使用 `X, Y` 坐标轴来表示。
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<div>
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<img class="preview-img no-padding" src="https://gw.alipayobjects.com/mdn/rms_08e378/afts/img/A*KgGmQ79c38oAAAAAAAAAAABkARQnAQ" alt="光源">
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</div>
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## 阴影值
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综上可知。阴影由光照而产生。主要影响其值的是物体高度与光源位置:
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1. 在不同高度上时,投射出的阴影颜色、模糊度、面积都有所区分。离地面越远的物体,产生的阴影颜色越淡、模糊度越高、面积越大;反之则颜色更深、模糊度越低、面积越小;
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2. 而投影的方向主要由光源与物体的相对位置决定。
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在 Ant Design 中不同的阴影方向使用在不同的地方:
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- 阴影向下:主要应用于组件内部或组件本身,是比较常规场景的用法
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- 阴影向上:主要应用于底部导航或工具栏等
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- 阴影向左:主要应用于右边导航栏、抽屉组件或固定表格栏
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- 阴影向右:主要应用于左边导航栏、抽屉组件或固定表格栏
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阴影是模拟的真实世界的反馈,Ant Design 为了更符合真实阴影,在 4.0 中采用了三层阴影的表达方式,让阴影更柔和,更符合真实状态
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<div>
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<img class="preview-img no-padding" src="https://gw.alipayobjects.com/mdn/rms_08e378/afts/img/A*1oijTJh2HEIAAAAAAAAAAABkARQnAQ" alt="阴影值">
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</div>
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### 常用阴影设计表
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**第一层:**
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<table>
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<thead>
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<tr>
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<th>阴影类型</th>
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<th>阴影颜色(rgba)</th>
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<th>方向(X, Y)</th>
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<th>模糊度(Blur)</th>
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<th>扩展值(Spread)</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td rowSpan="3">@shadow-1-up</td>
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<td>rgba(0, 0, 0, 0.16)</td>
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<td>0px, -1px</td>
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<td>2px</td>
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<td>-2px</td>
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</tr>
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<tr>
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<td>rgba(0, 0, 0, 0.12)</td>
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<td>0px, -3px</td>
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<td>6px</td>
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<td>0px</td>
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</tr>
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<tr>
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<td>rgba(0, 0, 0, 0.09)</td>
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<td>0px, -5px</td>
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<td>12px</td>
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<td>4px</td>
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</tr>
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<tr>
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<td rowSpan="3">@shadow-1-down</td>
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<td>rgba(0, 0, 0, 0.16)</td>
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<td>0px, 1px</td>
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<td>2px</td>
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<td>-2px</td>
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</tr>
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<tr>
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<td>rgba(0, 0, 0, 0.12)</td>
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<td>0px, 3px</td>
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<td>6px</td>
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<td>0px</td>
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</tr>
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<tr>
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<td>rgba(0, 0, 0, 0.09)</td>
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<td>0px, 5px</td>
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<td>12px</td>
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<td>4px</td>
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</tr>
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<tr>
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<td rowSpan="3">@shadow-1-left</td>
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<td>rgba(0, 0, 0, 0.16)</td>
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<td>-1px, 0px</td>
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<td>2px</td>
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<td>-2px</td>
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</tr>
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<tr>
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<td>rgba(0, 0, 0, 0.12)</td>
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<td>-3px, 0px</td>
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<td>6px</td>
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<td>0px</td>
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</tr>
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<tr>
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<td>rgba(0, 0, 0, 0.09)</td>
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<td>-5px, 0px</td>
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<td>12px</td>
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<td>4px</td>
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</tr>
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<tr>
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<td rowSpan="3">@shadow-1-right</td>
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<td>rgba(0, 0, 0, 0.16)</td>
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<td>1px, 0px</td>
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<td>2px</td>
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<td>-2px</td>
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</tr>
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<tr>
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<td>rgba(0, 0, 0, 0.12)</td>
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<td>3px, 0px</td>
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<td>6px</td>
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<td>0px</td>
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</tr>
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<tr>
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<td>rgba(0, 0, 0, 0.09)</td>
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<td>5px, 0px</td>
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<td>12px</td>
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<td>4px</td>
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</tr>
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</tbody>
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</table>
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**第二层:**
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<table>
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<thead>
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<tr>
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<th>阴影类型</th>
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<th>阴影颜色(rgba)</th>
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<th>方向(X, Y)</th>
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<th>模糊度(Blur)</th>
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<th>扩展值(Spread)</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td rowSpan="3">@shadow-2-up</td>
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<td>rgba(0, 0, 0, 0.12)</td>
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<td>0px, -3px</td>
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<td>6px</td>
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<td>-4px</td>
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</tr>
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<tr>
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<td>rgba(0, 0, 0, 0.08)</td>
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<td>0px, -6px</td>
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<td>16px</td>
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<td>0px</td>
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</tr>
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<tr>
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<td>rgba(0, 0, 0, 0.05)</td>
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<td>0px, -9px</td>
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<td>28px</td>
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<td>8px</td>
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</tr>
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<tr>
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<td rowSpan="3">@shadow-2-down</td>
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<td>rgba(0, 0, 0, 0.12)</td>
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<td>0px, 3px</td>
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<td>6px</td>
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<td>-4px</td>
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</tr>
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<tr>
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<td>rgba(0, 0, 0, 0.08)</td>
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<td>0px, 6px</td>
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<td>16px</td>
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<td>0px</td>
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</tr>
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<tr>
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<td>rgba(0, 0, 0, 0.05)</td>
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<td>0px, 9px</td>
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<td>28px</td>
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<td>8px</td>
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</tr>
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<tr>
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<td rowSpan="3">@shadow-2-left</td>
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<td>rgba(0, 0, 0, 0.12)</td>
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<td>-3px, 0px</td>
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<td>6px</td>
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<td>-4px</td>
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</tr>
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<tr>
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<td>rgba(0, 0, 0, 0.08)</td>
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<td>-6px, 0px</td>
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<td>16px</td>
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<td>0px</td>
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</tr>
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<tr>
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<td>rgba(0, 0, 0, 0.05)</td>
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<td>-9px, 0px</td>
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<td>28px</td>
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<td>8px</td>
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</tr>
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<tr>
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<td rowSpan="3">@shadow-2-right</td>
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<td>rgba(0, 0, 0, 0.12)</td>
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<td>3px, 0px</td>
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<td>6px</td>
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<td>-4px</td>
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</tr>
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<tr>
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<td>rgba(0, 0, 0, 0.08)</td>
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<td>6px, 0px</td>
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<td>16px</td>
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<td>0px</td>
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</tr>
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<tr>
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<td>rgba(0, 0, 0, 0.05)</td>
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<td>9px, 0px</td>
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<td>28px</td>
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<td>8px</td>
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</tr>
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</tbody>
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</table>
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**第三层:**
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<table>
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<thead>
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<tr>
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<th>阴影类型</th>
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<th>阴影颜色(rgba)</th>
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<th>方向(X, Y)</th>
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<th>模糊度(Blur)</th>
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<th>扩展值(Spread)</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td rowSpan="3">@shadow-3-up</td>
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<td>rgba(0, 0, 0, 0.08)</td>
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<td>0px, -6px</td>
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<td>16px</td>
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<td>-8px</td>
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</tr>
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<tr>
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<td>rgba(0, 0, 0, 0.05)</td>
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<td>0px, -9px</td>
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<td>28px</td>
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<td>0px</td>
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</tr>
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<tr>
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<td>rgba(0, 0, 0, 0.03)</td>
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<td>0px, -12px</td>
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<td>48px</td>
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<td>16px</td>
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</tr>
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<tr>
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<td rowSpan="3">@shadow-3-down</td>
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<td>rgba(0, 0, 0, 0.08)</td>
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<td>0px, 6px</td>
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<td>16px</td>
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<td>-8px</td>
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</tr>
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<tr>
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<td>rgba(0, 0, 0, 0.05)</td>
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<td>0px, 9px</td>
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<td>28px</td>
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<td>0px</td>
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</tr>
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<tr>
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<td>rgba(0, 0, 0, 0.03)</td>
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<td>0px, 12px</td>
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<td>48px</td>
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<td>16px</td>
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</tr>
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<tr>
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<td rowSpan="3">@shadow-3-left</td>
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<td>rgba(0, 0, 0, 0.08)</td>
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<td>-6px, 0px</td>
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<td>16px</td>
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<td>-8px</td>
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</tr>
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<tr>
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<td>rgba(0, 0, 0, 0.05)</td>
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<td>-9px, 0px</td>
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<td>28px</td>
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<td>0px</td>
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</tr>
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<tr>
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<td>rgba(0, 0, 0, 0.03)</td>
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<td>-12px, 0px</td>
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<td>48px</td>
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<td>16px</td>
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</tr>
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<tr>
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<td rowSpan="3">@shadow-3-right</td>
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<td>rgba(0, 0, 0, 0.08)</td>
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<td>6px, 0px</td>
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<td>16px</td>
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<td>-8px</td>
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</tr>
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<tr>
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<td>rgba(0, 0, 0, 0.05)</td>
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<td>9px, 0px</td>
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<td>28px</td>
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<td>0px</td>
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</tr>
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<tr>
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<td>rgba(0, 0, 0, 0.03)</td>
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<td>12px, 0px</td>
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<td>48px</td>
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<td>16px</td>
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</tr>
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</tbody>
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</table>
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