feat: add AI and Backend evolution history with interactive demos, and refine Frontend evolution demo
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sanbuphy
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<template>
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<div class="css-props-ref">
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<div class="intro">
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CSS 属性就像装修队的“施工指令”。常用的其实只有几十个，这里有一份“装修菜单”供你参考：
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</div>
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<div class="categories">
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<div
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v-for="(cat, index) in categories"
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:key="index"
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class="category"
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>
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<div class="cat-title">{{ cat.title }}</div>
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<div class="props-grid">
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<div
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v-for="prop in cat.props"
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:key="prop.name"
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class="prop-item"
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@click="activeProp = prop"
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:class="{ active: activeProp && activeProp.name === prop.name }"
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>
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<div class="prop-name">{{ prop.name }}</div>
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<div class="prop-desc">{{ prop.desc }}</div>
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</div>
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</div>
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</div>
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</div>
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<div v-if="activeProp" class="prop-detail">
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<div class="detail-header">
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<span class="detail-name">{{ activeProp.name }}</span>
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<span class="detail-cat-badge">{{ activeProp.categoryLabel }}</span>
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</div>
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<div class="detail-desc">{{ activeProp.fullDesc }}</div>
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<div class="detail-code">
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<div class="code-label">示例代码：</div>
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<pre><code>{{ activeProp.example }}</code></pre>
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</div>
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</div>
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<div v-else class="prop-detail empty">
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点击上面的属性看看它能做什么 👆
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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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const activeProp = ref(null)
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const categories = [
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{
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title: '📝 文字与排版',
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props: [
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{ name: 'color', desc: '文字颜色', categoryLabel: '文字', fullDesc: '改变文字的颜色。可以使用英文单词(red)、十六进制(#ff0000)或RGB值。', example: 'color: #333333;' },
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{ name: 'font-size', desc: '字号大小', categoryLabel: '文字', fullDesc: '设置文字的大小。常用单位是 px (像素) 或 rem。', example: 'font-size: 16px;' },
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{ name: 'font-weight', desc: '字体粗细', categoryLabel: '文字', fullDesc: '设置文字的粗细。bold 是加粗，normal 是正常。', example: 'font-weight: bold;' },
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{ name: 'text-align', desc: '对齐方式', categoryLabel: '排版', fullDesc: '设置文字水平对齐方式：左对齐(left)、居中(center)、右对齐(right)。', example: 'text-align: center;' },
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{ name: 'line-height', desc: '行高', categoryLabel: '排版', fullDesc: '设置行间距。通常设为 1.5 左右让阅读更舒服。', example: 'line-height: 1.5;' },
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]
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},
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{
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title: '📦 盒子与大小',
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props: [
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{ name: 'width / height', desc: '宽 / 高', categoryLabel: '尺寸', fullDesc: '设置元素的宽度和高度。', example: 'width: 100px;\nheight: 50px;' },
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{ name: 'padding', desc: '内边距', categoryLabel: '间距', fullDesc: '盒子内部的空间（内容距离边框的距离）。像填充泡沫一样撑大盒子。', example: 'padding: 20px;' },
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{ name: 'margin', desc: '外边距', categoryLabel: '间距', fullDesc: '盒子外部的空间（盒子与其他元素之间的距离）。', example: 'margin: 20px;' },
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{ name: 'background', desc: '背景', categoryLabel: '外观', fullDesc: '设置背景颜色或背景图片。', example: 'background: #f0f0f0;' },
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]
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},
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{
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title: '🎨 边框与装饰',
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props: [
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{ name: 'border', desc: '边框', categoryLabel: '边框', fullDesc: '设置边框的粗细、样式和颜色。', example: 'border: 1px solid #ccc;' },
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{ name: 'border-radius', desc: '圆角', categoryLabel: '边框', fullDesc: '让盒子的角变圆润。现在的按钮通常都有点圆角。', example: 'border-radius: 8px;' },
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{ name: 'box-shadow', desc: '阴影', categoryLabel: '装饰', fullDesc: '给盒子添加阴影效果，增加立体感和层次感。', example: 'box-shadow: 0 4px 6px rgba(0,0,0,0.1);' },
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{ name: 'opacity', desc: '透明度', categoryLabel: '装饰', fullDesc: '设置元素的透明度，0 是全透明（看不见但还在），1 是不透明。', example: 'opacity: 0.8;' },
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]
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},
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{
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title: '📐 布局与定位',
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props: [
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{ name: 'display', desc: '显示模式', categoryLabel: '布局', fullDesc: '决定盒子怎么摆。block(独占一行), flex(弹性布局), none(隐藏)。', example: 'display: flex;' },
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{ name: 'position', desc: '定位方式', categoryLabel: '定位', fullDesc: '决定盒子怎么定位。relative(相对), absolute(绝对), fixed(固定在屏幕)。', example: 'position: absolute;\ntop: 0;\nleft: 0;' },
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{ name: 'z-index', desc: '层级', categoryLabel: '定位', fullDesc: '决定谁叠在谁上面。数字越大越靠上。', example: 'z-index: 100;' },
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{ name: 'cursor', desc: '鼠标手势', categoryLabel: '交互', fullDesc: '鼠标移上去变成什么样。pointer(小手), text(输入光标)。', example: 'cursor: pointer;' },
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]
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}
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]
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</script>
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<style scoped>
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.css-props-ref {
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border: 1px solid var(--vp-c-divider);
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border-radius: 8px;
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background: var(--vp-c-bg-soft);
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padding: 20px;
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margin: 20px 0;
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}
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.intro {
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font-size: 14px;
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color: var(--vp-c-text-2);
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margin-bottom: 16px;
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}
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.categories {
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display: flex;
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flex-direction: column;
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gap: 16px;
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}
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.cat-title {
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font-size: 13px;
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font-weight: 700;
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color: var(--vp-c-text-1);
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margin-bottom: 8px;
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border-left: 3px solid var(--vp-c-brand);
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padding-left: 8px;
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}
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.props-grid {
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display: grid;
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grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
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gap: 8px;
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}
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.prop-item {
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background: var(--vp-c-bg);
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border: 1px solid var(--vp-c-divider);
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border-radius: 6px;
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padding: 8px 12px;
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cursor: pointer;
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transition: all 0.2s;
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}
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.prop-item:hover {
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border-color: var(--vp-c-brand);
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transform: translateY(-1px);
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box-shadow: 0 2px 4px rgba(0,0,0,0.05);
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}
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.prop-item.active {
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border-color: var(--vp-c-brand);
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background: var(--vp-c-brand-dimm);
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}
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.prop-name {
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font-family: var(--vp-font-family-mono);
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font-size: 13px;
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color: var(--vp-c-brand);
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font-weight: 600;
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margin-bottom: 2px;
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}
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.prop-desc {
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font-size: 12px;
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color: var(--vp-c-text-2);
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}
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.prop-detail {
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margin-top: 20px;
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background: var(--vp-c-bg);
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border: 1px solid var(--vp-c-divider);
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border-radius: 8px;
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padding: 16px;
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animation: fadeIn 0.3s ease;
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}
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.prop-detail.empty {
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text-align: center;
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color: var(--vp-c-text-3);
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font-size: 13px;
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border-style: dashed;
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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: 10px;
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margin-bottom: 8px;
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}
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.detail-name {
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font-family: var(--vp-font-family-mono);
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font-size: 16px;
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font-weight: 700;
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color: var(--vp-c-text-1);
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}
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.detail-cat-badge {
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font-size: 11px;
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background: var(--vp-c-bg-soft);
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border: 1px solid var(--vp-c-divider);
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padding: 2px 6px;
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border-radius: 4px;
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color: var(--vp-c-text-2);
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}
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.detail-desc {
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font-size: 14px;
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color: var(--vp-c-text-2);
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line-height: 1.5;
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margin-bottom: 12px;
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}
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.detail-code {
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background: var(--vp-c-bg-alt);
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padding: 12px;
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border-radius: 6px;
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border: 1px solid var(--vp-c-divider);
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}
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.code-label {
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font-size: 11px;
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color: var(--vp-c-text-3);
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margin-bottom: 4px;
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font-weight: 600;
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}
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pre {
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margin: 0;
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background: transparent !important;
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padding: 0 !important;
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}
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code {
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font-family: var(--vp-font-family-mono);
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font-size: 13px;
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color: var(--vp-c-text-1);
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}
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@keyframes fadeIn {
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from { opacity: 0; transform: translateY(5px); }
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to { opacity: 1; transform: translateY(0); }
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}
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</style>
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