docs(frontend-engineering): enhance build pipeline demo and documentation
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+188
-14
@@ -6,32 +6,103 @@
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<span class="subtitle">从源代码到产物的完整旅程</span>
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</div>
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<div class="intro-text">
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想象你在开一家<span class="highlight">面包店</span>:面粉要过筛、搅拌、发酵、烘烤,最后才能变成香喷喷的面包。代码也一样,需要经过一道道"加工工序",才能变成浏览器能运行的程序。
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</div>
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<div class="pipeline">
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<div v-for="(stage, i) in stages" :key="stage.id" class="stage">
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<div
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v-for="(stage, i) in stages"
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:key="stage.id"
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class="stage"
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:class="{ active: activeStage === stage.id }"
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@click="activeStage = activeStage === stage.id ? null : stage.id"
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>
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<div class="stage-icon">{{ stage.icon }}</div>
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<div class="stage-name">{{ stage.name }}</div>
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<div class="stage-desc">{{ stage.desc }}</div>
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<div class="stage-simple">{{ stage.simple }}</div>
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<div v-if="i < stages.length - 1" class="arrow">→</div>
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</div>
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</div>
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<Transition name="fade">
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<div v-if="activeStage" class="stage-detail">
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<div class="detail-header">
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<span class="detail-icon">{{ currentStage?.icon }}</span>
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<span class="detail-title">{{ currentStage?.name }}</span>
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</div>
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<div class="detail-content">
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<p class="detail-desc">{{ currentStage?.detailDesc }}</p>
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<div class="detail-example">
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<div class="example-label">🌰 举个例子:</div>
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<div class="example-content">{{ currentStage?.example }}</div>
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</div>
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</div>
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</div>
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</Transition>
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<div v-if="!activeStage" class="hint-text">
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👆 点击上方任意阶段,查看详细解释
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</div>
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<div class="info-box">
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<span class="icon">💡</span>
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<strong>流水线思想:</strong>就像工厂流水线一样,代码经过一道道工序,最终变成可以在浏览器运行的产物。每个阶段各司其职,环环相扣。
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<strong>核心思想:</strong>就像工厂流水线一样,代码经过一道道工序,最终变成可以在浏览器运行的产物。每个阶段各司其职,环环相扣。
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</div>
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</div>
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</template>
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<script setup>
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import { ref } from 'vue'
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import { ref, computed } from 'vue'
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const activeStage = ref(null)
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const stages = ref([
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{ id: 1, icon: '🔍', name: '代码检查', desc: 'ESLint/TSC' },
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{ id: 2, icon: '⚙️', name: '代码转换', desc: 'Babel/SWC' },
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{ id: 3, icon: '📦', name: '依赖解析', desc: '构建依赖图' },
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{ id: 4, icon: '📚', name: '模块打包', desc: 'Webpack/Rollup' },
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{ id: 5, icon: '✨', name: '代码优化', desc: '压缩/TreeShake' }
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{
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id: 1,
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icon: '🔍',
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name: '代码检查',
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simple: '找错误',
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detailDesc: '就像写作文前先检查有没有错别字和语法错误。代码检查工具会自动发现你的代码问题,比如变量名拼写错误、漏写了分号、使用了未定义的变量等。',
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example: '你写了 const mesage = "hello",检查工具会提醒:"mesage 是不是想写 message?这个变量名看起来有拼写错误。"'
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},
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{
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id: 2,
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icon: '⚙️',
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name: '代码转换',
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simple: '翻译官',
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detailDesc: '就像把中文翻译成英文让外国人能看懂。你写的可能是 TypeScript 或新版 JavaScript 语法,但老浏览器"看不懂",需要转换成它们能理解的旧版本。',
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example: '你写了 const name = user?.name(新版语法),转换后变成 var name = user && user.name ? user.name : undefined(老浏览器能懂的写法)'
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},
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{
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id: 3,
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icon: '📦',
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name: '依赖解析',
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simple: '理关系',
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detailDesc: '就像整理食谱,搞清楚做一道菜需要哪些食材。你的代码可能引用了很多其他文件,这个阶段会分析"谁依赖谁",画出一张完整的关系图。',
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example: 'main.js 引用了 utils.js,utils.js 又引用了 helper.js,解析后会生成一张"依赖地图",告诉打包工具按什么顺序处理这些文件。'
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},
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{
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id: 4,
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icon: '📚',
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name: '模块打包',
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simple: '装箱子',
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detailDesc: '就像搬家时把零散的东西装进几个大箱子。你的项目可能有上百个文件,浏览器加载太多小文件会很慢,打包就是把它们合并成少数几个文件。',
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example: '原来有 100 个 .js 文件,打包后变成 2 个文件:app.js(你的代码)和 vendor.js(第三方库)。浏览器只需请求 2 次而不是 100 次。'
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},
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{
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id: 5,
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icon: '✨',
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name: '代码优化',
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simple: '瘦身',
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detailDesc: '就像压缩行李箱,把不必要的东西扔掉。删除代码中的空格和注释、去掉没用到代码(Tree Shaking)、压缩变量名,让文件体积更小。',
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example: '原来 100KB 的代码,优化后变成 30KB。比如把 function getUserName() { return name } 压缩成 function a(){return n}'
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}
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])
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const currentStage = computed(() => {
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return stages.value.find(s => s.id === activeStage.value)
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})
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</script>
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<style scoped>
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@@ -47,13 +118,28 @@ const stages = ref([
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display: flex;
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align-items: center;
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gap: 0.5rem;
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margin-bottom: 1rem;
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margin-bottom: 0.75rem;
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}
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.demo-header .icon { font-size: 1.25rem; }
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.demo-header .title { font-weight: bold; font-size: 1rem; }
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.demo-header .subtitle { color: var(--vp-c-text-2); font-size: 0.85rem; margin-left: 0.5rem; }
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.intro-text {
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font-size: 0.9rem;
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color: var(--vp-c-text-2);
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line-height: 1.6;
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margin-bottom: 1rem;
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padding: 0.75rem;
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background: var(--vp-c-bg);
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border-radius: 6px;
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}
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.intro-text .highlight {
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color: var(--vp-c-brand-1);
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font-weight: 500;
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}
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.pipeline {
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display: flex;
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align-items: flex-start;
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@@ -68,8 +154,20 @@ const stages = ref([
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display: flex;
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flex-direction: column;
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align-items: center;
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min-width: 80px;
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min-width: 85px;
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position: relative;
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cursor: pointer;
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padding: 0.5rem;
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border-radius: 8px;
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transition: all 0.2s ease;
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}
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.stage:hover {
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background: var(--vp-c-bg-soft);
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}
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.stage.active {
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background: var(--vp-c-brand-soft);
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}
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.stage-icon {
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@@ -82,6 +180,11 @@ const stages = ref([
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justify-content: center;
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font-size: 1.25rem;
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margin-bottom: 0.5rem;
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transition: transform 0.2s ease;
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}
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.stage:hover .stage-icon {
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transform: scale(1.1);
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}
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.stage-name {
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@@ -90,20 +193,91 @@ const stages = ref([
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color: var(--vp-c-text-1);
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}
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.stage-desc {
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.stage-simple {
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font-size: 0.7rem;
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color: var(--vp-c-text-3);
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color: var(--vp-c-brand-1);
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margin-top: 0.2rem;
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font-weight: 500;
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}
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.arrow {
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position: absolute;
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right: -12px;
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top: 16px;
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top: 20px;
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color: var(--vp-c-text-3);
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font-size: 1rem;
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}
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.hint-text {
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text-align: center;
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font-size: 0.85rem;
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color: var(--vp-c-text-3);
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margin-top: 0.75rem;
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}
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.stage-detail {
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background: var(--vp-c-bg);
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border-radius: 8px;
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padding: 1rem;
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margin-top: 0.75rem;
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border: 1px solid var(--vp-c-divider);
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}
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.detail-header {
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display: flex;
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align-items: center;
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gap: 0.5rem;
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margin-bottom: 0.75rem;
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}
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.detail-icon {
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font-size: 1.5rem;
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}
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.detail-title {
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font-weight: 600;
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font-size: 1rem;
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color: var(--vp-c-text-1);
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}
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.detail-desc {
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font-size: 0.9rem;
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color: var(--vp-c-text-2);
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line-height: 1.6;
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margin-bottom: 0.75rem;
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}
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.detail-example {
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background: var(--vp-c-bg-soft);
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padding: 0.75rem;
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border-radius: 6px;
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border-left: 3px solid var(--vp-c-brand);
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}
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.example-label {
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font-size: 0.8rem;
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font-weight: 500;
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color: var(--vp-c-text-2);
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margin-bottom: 0.5rem;
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}
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.example-content {
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font-size: 0.85rem;
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color: var(--vp-c-text-1);
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line-height: 1.5;
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}
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.fade-enter-active,
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.fade-leave-active {
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transition: opacity 0.2s ease, transform 0.2s ease;
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}
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.fade-enter-from,
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.fade-leave-to {
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opacity: 0;
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transform: translateY(-10px);
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}
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.info-box {
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background: var(--vp-c-bg-alt);
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padding: 0.75rem;
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