sanbuphy
d174ceea32
- Add new interactive components for frontend routing, browser rendering pipeline, and database transactions - Improve existing demos with better visuals, explanations, and examples - Update documentation structure and content for better clarity - Add new utility scripts and update package.json with new commands - Fix formatting and alignment in documentation tables
485 lines
11 KiB
Vue
485 lines
11 KiB
Vue
<!--
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FrontendEvolutionDemo.vue - 前端演进总览
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用时间线的方式展示前端开发从静态页面到现代框架的演进
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-->
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<template>
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<div class="evolution-timeline">
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<div class="timeline-header">
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<span class="header-icon">🚀</span>
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<span class="header-title">前端开发演进时间线</span>
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<span class="header-subtitle">从"贴海报"到"搭乐高"的 20 年变迁</span>
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</div>
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<!-- 时间线 -->
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<div class="timeline-container">
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<div
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v-for="(era, index) in eras"
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:key="era.id"
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class="era-item"
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:class="{ active: activeEra === era.id }"
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@click="activeEra = activeEra === era.id ? null : era.id"
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>
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<div class="era-marker">
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<div class="era-dot">{{ era.emoji }}</div>
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<div v-if="index < eras.length - 1" class="era-line"></div>
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</div>
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<div class="era-content">
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<div class="era-header">
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<span class="era-year">{{ era.year }}</span>
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<span class="era-name">{{ era.name }}</span>
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</div>
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<div class="era-brief">{{ era.brief }}</div>
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<Transition name="expand">
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<div v-if="activeEra === era.id" class="era-detail">
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<div class="detail-section">
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<div class="section-title">🔑 关键技术</div>
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<div class="tech-tags">
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<span
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v-for="tech in era.technologies"
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:key="tech"
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class="tech-tag"
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>{{ tech }}</span>
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</div>
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</div>
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<div class="detail-section">
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<div class="section-title">💪 优点</div>
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<div class="benefit-list">
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<div
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v-for="benefit in era.pros"
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:key="benefit"
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class="benefit-item"
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>
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<span class="check-icon">✓</span>
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<span>{{ benefit }}</span>
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</div>
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</div>
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</div>
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<div class="detail-section">
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<div class="section-title">⚠️ 缺点</div>
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<div class="problem-list">
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<div
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v-for="problem in era.cons"
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:key="problem"
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class="problem-item"
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>
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<span class="warn-icon">!</span>
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<span>{{ problem }}</span>
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</div>
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</div>
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</div>
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<div class="detail-section" v-if="era.metaphor">
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<div class="section-title">💡 生活比喻</div>
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<div class="metaphor-box">{{ era.metaphor }}</div>
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</div>
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</div>
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</Transition>
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</div>
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</div>
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</div>
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<!-- 提示 -->
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<div class="timeline-hint">
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<span>👆</span>
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<span>点击任意时代，查看详细信息</span>
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</div>
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<!-- 核心要点 -->
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<div class="key-takeaway">
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<span class="takeaway-icon">🎯</span>
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<div class="takeaway-content">
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<strong>核心思想：</strong>
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前端技术的演进，本质是为了解决两个问题：
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<strong>提升开发效率</strong>（从手动到自动化）和
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<strong>支撑更复杂的应用</strong>（从简单页面到桌面级应用）。
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</div>
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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 activeEra = ref(null)
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const eras = [
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{
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id: 1,
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year: '2000s',
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name: '静态网页时代',
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emoji: '🖼️',
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brief: '网页像海报，只能看不能动',
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technologies: ['HTML', 'CSS', 'JavaScript', '切图', 'jQuery'],
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pros: ['简单直接', '写完就能跑', '学习成本低'],
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cons: ['加载慢（请求多）', '难以维护', '无法动态更新'],
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metaphor: '就像贴海报：你画好一张图，贴到墙上就完事了。内容固定，用户只能看，不能互动。'
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},
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{
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id: 2,
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year: '2010s 初',
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name: '响应式布局时代',
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emoji: '📱',
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brief: '一套代码适配手机和电脑',
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technologies: ['Media Query', '响应式设计', 'Bootstrap', 'Flexbox'],
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pros: ['跨设备适配', '维护成本低', '用户体验好'],
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cons: ['设计复杂度高', '调试麻烦', '性能开销大'],
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metaphor: '就像魔法相框：照片会自动根据房间大小调整展示方式。大房间摆大开，小房间缩小。'
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},
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{
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id: 3,
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year: '2010s 中',
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name: 'jQuery 时代',
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emoji: '🔧',
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brief: '简化 DOM 操作，但还是手动搬砖',
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technologies: ['jQuery', 'DOM 操作', 'AJAX', '动画效果'],
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pros: ['上手简单', '兼容性好', '生态丰富'],
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cons: ['代码一多就乱', '容易出 bug', '状态管理难'],
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metaphor: '就像手工装修：你需要亲自告诉工人每一步做什么。工人多了，指令杂了，容易出错。'
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},
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{
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id: 4,
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year: '2010s 末',
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name: '现代框架时代',
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emoji: '⚛️',
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brief: '数据驱动，组件化开发',
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technologies: ['Vue.js', 'React', 'Angular', '组件化', '状态管理'],
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pros: ['代码可维护', '开发效率高', '适合复杂应用'],
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cons: ['学习成本高', '构建复杂', '小项目过重'],
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metaphor: '就像搭乐高：你先设计好房子长什么样，然后乐高积木会自动按设计图组装好。'
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},
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{
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id: 5,
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year: '2020s',
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name: '工程化时代',
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emoji: '🏭',
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brief: '自动化、规范化、规模化',
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technologies: ['Webpack', 'Vite', 'TypeScript', 'CI/CD', '测试'],
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pros: ['团队协作友好', '代码质量高', '性能优化好'],
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cons: ['配置复杂', '学习曲线陡', '维护成本高'],
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metaphor: '就像现代化工厂：从原材料到成品，整个生产流程自动化、标准化、可控化。'
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}
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]
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</script>
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<style scoped>
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.evolution-timeline {
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border: 2px solid #e0e0e0;
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border-radius: 16px;
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background: linear-gradient(135deg, #fafbfc 0%, #f0f4f8 100%);
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padding: 24px;
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margin: 20px 0;
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font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
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}
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.timeline-header {
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text-align: center;
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margin-bottom: 32px;
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}
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.header-icon {
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font-size: 48px;
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display: block;
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margin-bottom: 12px;
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}
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.header-title {
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display: block;
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font-size: 24px;
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font-weight: bold;
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color: #333;
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margin-bottom: 8px;
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}
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.header-subtitle {
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display: block;
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font-size: 14px;
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color: #666;
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}
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/* 时间线容器 */
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.timeline-container {
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position: relative;
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}
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.era-item {
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display: flex;
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gap: 20px;
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margin-bottom: 24px;
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cursor: pointer;
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transition: all 0.3s ease;
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}
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.era-item:hover {
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transform: translateX(4px);
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}
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.era-item.active {
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transform: translateX(8px);
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}
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/* 标记点 */
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.era-marker {
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display: flex;
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flex-direction: column;
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align-items: center;
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flex-shrink: 0;
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}
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.era-dot {
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width: 56px;
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height: 56px;
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border-radius: 50%;
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background: linear-gradient(135deg, #667eea, #764ba2);
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display: flex;
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align-items: center;
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justify-content: center;
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font-size: 28px;
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box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
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z-index: 1;
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transition: all 0.3s ease;
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}
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.era-item:hover .era-dot {
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transform: scale(1.1);
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box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
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}
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.era-line {
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width: 4px;
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flex: 1;
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background: linear-gradient(180deg, #667eea, #e0e0e0);
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margin-top: 8px;
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min-height: 40px;
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}
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/* 内容区域 */
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.era-content {
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flex: 1;
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background: white;
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border-radius: 12px;
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padding: 16px;
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border: 2px solid #e0e0e0;
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transition: all 0.3s ease;
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}
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.era-item:hover .era-content {
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border-color: #667eea;
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box-shadow: 0 4px 16px rgba(102, 126, 234, 0.1);
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}
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.era-item.active .era-content {
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border-color: #667eea;
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background: linear-gradient(135deg, #f8f9ff, #ffffff);
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}
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.era-header {
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display: flex;
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align-items: center;
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gap: 12px;
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margin-bottom: 8px;
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}
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.era-year {
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padding: 4px 12px;
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background: linear-gradient(135deg, #667eea, #764ba2);
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color: white;
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border-radius: 12px;
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font-size: 12px;
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font-weight: bold;
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}
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.era-name {
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font-size: 18px;
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font-weight: bold;
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color: #333;
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}
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.era-brief {
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font-size: 14px;
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color: #666;
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line-height: 1.5;
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}
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/* 详情展开 */
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.era-detail {
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margin-top: 16px;
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padding-top: 16px;
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border-top: 2px dashed #e0e0e0;
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}
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.detail-section {
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margin-bottom: 16px;
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}
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.detail-section:last-child {
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margin-bottom: 0;
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}
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.section-title {
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font-size: 13px;
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font-weight: bold;
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color: #667eea;
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margin-bottom: 8px;
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}
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/* 技术标签 */
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.tech-tags {
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display: flex;
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flex-wrap: wrap;
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gap: 8px;
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}
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.tech-tag {
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padding: 4px 12px;
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background: #f0f4ff;
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color: #667eea;
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border-radius: 12px;
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font-size: 12px;
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font-weight: 500;
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}
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/* 优点列表 */
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.benefit-list {
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display: flex;
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flex-direction: column;
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gap: 6px;
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}
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.benefit-item {
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display: flex;
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align-items: center;
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gap: 8px;
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font-size: 13px;
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color: #16a34a;
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}
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.check-icon {
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display: inline-flex;
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align-items: center;
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justify-content: center;
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width: 18px;
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height: 18px;
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background: #dcfce7;
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border-radius: 50%;
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font-size: 10px;
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font-weight: bold;
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}
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/* 缺点列表 */
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.problem-list {
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display: flex;
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flex-direction: column;
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gap: 6px;
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}
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.problem-item {
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display: flex;
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align-items: center;
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gap: 8px;
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font-size: 13px;
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color: #dc2626;
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}
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.warn-icon {
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display: inline-flex;
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align-items: center;
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justify-content: center;
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width: 18px;
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height: 18px;
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background: #fecaca;
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border-radius: 50%;
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font-size: 10px;
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font-weight: bold;
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}
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/* 比喻框 */
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.metaphor-box {
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background: linear-gradient(135deg, #fff7ed, #ffedd5);
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border-left: 4px solid #f97316;
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padding: 12px;
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border-radius: 8px;
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font-size: 13px;
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color: #9a3412;
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line-height: 1.6;
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}
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/* 提示 */
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.timeline-hint {
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text-align: center;
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font-size: 13px;
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color: #666;
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margin: 16px 0;
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display: flex;
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align-items: center;
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justify-content: center;
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gap: 8px;
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}
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/* 核心要点 */
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.key-takeaway {
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display: flex;
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gap: 12px;
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padding: 16px;
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background: linear-gradient(135deg, #dcfce7, #d1fae5);
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border-radius: 12px;
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border-left: 4px solid #16a34a;
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}
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.takeaway-icon {
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font-size: 24px;
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flex-shrink: 0;
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}
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.takeaway-content {
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flex: 1;
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font-size: 14px;
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color: #14532d;
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line-height: 1.6;
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}
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/* 动画 */
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.expand-enter-active,
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.expand-leave-active {
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transition: all 0.3s ease;
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overflow: hidden;
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}
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.expand-enter-from,
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.expand-leave-to {
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max-height: 0;
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opacity: 0;
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}
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.expand-enter-to,
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.expand-leave-from {
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max-height: 1000px;
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opacity: 1;
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}
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/* 响应式 */
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@media (max-width: 768px) {
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.era-item {
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flex-direction: column;
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gap: 12px;
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}
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.era-marker {
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flex-direction: row;
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gap: 12px;
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}
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.era-line {
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width: 100%;
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height: 4px;
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min-height: 0;
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margin-top: 0;
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margin-left: 8px;
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}
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}
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</style>
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