0eba9e87e9
- Disable formatting rules (handled by Prettier) - Relaxed strict Vue/JS rules for demo code compatibility - Fix syntax errors in ApiPlayground and VoiceCloningDemo - Fix duplicate else-if condition in ApiPlayground - Fix Promise executor async pattern in AutoregressiveAudioDemo - Add TypeScript file support to ESLint config Warnings reduced from 295 to 251 problems. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
455 lines
9.1 KiB
Vue
455 lines
9.1 KiB
Vue
<!--
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HotReloadDemo.vue
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热更新机制演示
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用途:
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展示HMR(热模块替换)的工作原理。
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-->
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<template>
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<div class="hot-reload-demo">
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<div class="demo-header">
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<h3>🔥 热更新 (HMR) 演示</h3>
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<p>修改代码无需刷新页面,即时生效</p>
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</div>
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<div class="demo-content">
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<!-- 对比图 -->
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<div class="comparison">
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<div class="method-card no-hmr">
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<div class="card-header">
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<span class="icon">🔄</span>
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<span class="title">传统刷新</span>
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</div>
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<div class="card-body">
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<div
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v-for="(step, i) in noHmrSteps"
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:key="i"
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class="step"
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>
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<span class="step-num">{{ i + 1 }}</span>
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<span class="step-text">{{ step }}</span>
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</div>
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</div>
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<div class="card-footer">
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<span class="time">⏱️ 5-10秒</span>
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<span class="state">页面闪烁、状态丢失</span>
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</div>
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</div>
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<div class="vs-divider">
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VS
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</div>
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<div class="method-card hmr">
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<div class="card-header">
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<span class="icon">⚡</span>
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<span class="title">HMR 热更新</span>
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</div>
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<div class="card-body">
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<div
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v-for="(step, i) in hmrSteps"
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:key="i"
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class="step"
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>
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<span class="step-num">{{ i + 1 }}</span>
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<span class="step-text">{{ step }}</span>
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</div>
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</div>
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<div class="card-footer">
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<span class="time">⏱️ 50-200ms</span>
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<span class="state">无刷新、状态保持</span>
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</div>
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</div>
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</div>
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<!-- 流程图 -->
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<div class="flow-diagram">
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<h4>HMR 工作流程</h4>
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<div class="flow-steps">
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<div
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v-for="(step, i) in flowSteps"
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:key="i"
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class="flow-step"
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>
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<div class="step-box">
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<span class="step-icon">{{ step.icon }}</span>
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<span class="step-label">{{ step.label }}</span>
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</div>
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<div
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v-if="i < flowSteps.length - 1"
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class="step-arrow"
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>
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→
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</div>
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</div>
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</div>
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</div>
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<!-- 支持情况 -->
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<div class="support-table">
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<h4>各构建工具 HMR 支持</h4>
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<table>
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<thead>
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<tr>
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<th>构建工具</th>
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<th>HMR 支持</th>
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<th>更新速度</th>
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<th>特点</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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v-for="tool in hmrTools"
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:key="tool.name"
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>
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<td><strong>{{ tool.name }}</strong></td>
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<td>
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<span
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class="badge"
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:class="tool.supportClass"
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>{{ tool.support }}</span>
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</td>
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<td>{{ tool.speed }}</td>
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<td>{{ tool.feature }}</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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<div class="info-box">
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<p>
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<span class="icon">💡</span>
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<strong>HMR 的核心原理:</strong>
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构建工具通过 WebSocket 与浏览器保持连接。当文件修改后,工具编译变更模块,通过 WebSocket 通知浏览器。
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浏览器中的 HMR Runtime 接收更新,替换旧模块,同时保持应用状态不变。
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这就像是给飞行中的飞机换引擎——不停机就能完成更新。
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</p>
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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 noHmrSteps = [
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'修改代码并保存',
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'手动刷新浏览器',
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'页面重新加载所有资源',
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'应用状态重置(登录丢失)'
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]
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const hmrSteps = [
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'修改代码并保存',
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'构建工具检测变更并编译',
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'WebSocket 推送更新到浏览器',
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'局部替换模块,状态保持'
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]
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const flowSteps = [
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{ icon: '👨💻', label: '开发者修改代码' },
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{ icon: '🛠️', label: '构建工具编译' },
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{ icon: '📡', label: 'WebSocket推送' },
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{ icon: '🔄', label: '浏览器替换模块' },
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{ icon: '✨', label: '页面即时更新' }
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]
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const hmrTools = [
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{
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name: 'Vite',
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support: '原生支持',
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supportClass: 'excellent',
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speed: '极快 (<100ms)',
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feature: '基于 ESM,HMR 速度最快'
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},
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{
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name: 'Webpack',
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support: '完全支持',
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supportClass: 'good',
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speed: '较快 (1-3s)',
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feature: '最成熟的 HMR 实现'
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},
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{
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name: 'Parcel',
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support: '自动支持',
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supportClass: 'good',
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speed: '快 (500ms-1s)',
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feature: '零配置,自动 HMR'
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},
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{
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name: 'Rollup',
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support: '插件支持',
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supportClass: 'fair',
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speed: '开发时较慢',
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feature: '主要用于生产构建'
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}
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]
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</script>
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<style scoped>
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.hot-reload-demo {
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border: 1px solid var(--vp-c-divider);
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border-radius: 6px;
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background-color: var(--vp-c-bg-soft);
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padding: 0.75rem;
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margin: 0.5rem 0;
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font-family: var(--vp-font-family-mono);
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}
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.demo-header h3 {
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margin: 0 0 0.5rem 0;
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font-size: 1.1rem;
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}
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.demo-header p {
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margin: 0;
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color: var(--vp-c-text-2);
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font-size: 0.9rem;
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}
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.comparison {
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display: flex;
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gap: 1rem;
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margin: 0.5rem 0;
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align-items: stretch;
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}
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@media (max-width: 768px) {
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.comparison {
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flex-direction: column;
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}
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}
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.method-card {
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flex: 1;
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background: var(--vp-c-bg);
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border-radius: 6px;
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border: 2px solid var(--vp-c-divider);
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overflow: hidden;
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}
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.method-card.hmr {
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border-color: var(--vp-c-brand);
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}
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.card-header {
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background: var(--vp-c-bg-soft);
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padding: 0.6rem 0.75rem;
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display: flex;
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align-items: center;
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gap: 0.5rem;
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border-bottom: 1px solid var(--vp-c-divider);
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}
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.card-header .icon {
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font-size: 1.25rem;
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}
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.card-header .title {
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font-weight: 600;
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font-size: 0.9rem;
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}
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.card-body {
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padding: 0.75rem;
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}
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.step {
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display: flex;
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align-items: flex-start;
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gap: 0.5rem;
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padding: 0.4rem 0;
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font-size: 0.8rem;
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border-bottom: 1px solid var(--vp-c-divider-light);
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}
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.step:last-child {
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border-bottom: none;
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}
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.step-num {
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width: 18px;
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height: 18px;
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background: var(--vp-c-brand);
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color: white;
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border-radius: 50%;
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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: 0.65rem;
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font-weight: bold;
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flex-shrink: 0;
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}
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.step-text {
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color: var(--vp-c-text-1);
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line-height: 1.4;
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}
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.card-footer {
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background: var(--vp-c-bg-soft);
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padding: 0.5rem 0.75rem;
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display: flex;
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justify-content: space-between;
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align-items: center;
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border-top: 1px solid var(--vp-c-divider);
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font-size: 0.75rem;
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}
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.time {
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font-weight: 600;
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color: var(--vp-c-brand);
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}
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.state {
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color: var(--vp-c-text-2);
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}
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.vs-divider {
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display: flex;
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align-items: center;
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font-weight: bold;
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color: var(--vp-c-text-3);
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font-size: 0.9rem;
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}
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.flow-diagram {
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background: var(--vp-c-bg);
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border-radius: 6px;
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border: 1px solid var(--vp-c-divider);
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padding: 0.75rem;
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margin-bottom: 1rem;
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}
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.flow-diagram h4 {
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margin: 0 0 0.75rem 0;
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font-size: 0.9rem;
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color: var(--vp-c-text-1);
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}
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.flow-steps {
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display: flex;
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flex-wrap: wrap;
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align-items: center;
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justify-content: center;
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gap: 0.25rem;
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}
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.flow-step {
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display: flex;
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align-items: center;
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gap: 0.25rem;
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}
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.step-box {
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display: flex;
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flex-direction: column;
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align-items: center;
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padding: 0.4rem 0.5rem;
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background: var(--vp-c-bg-soft);
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border-radius: 4px;
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min-width: 60px;
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}
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.step-icon {
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font-size: 1.1rem;
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}
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.step-label {
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font-size: 0.65rem;
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color: var(--vp-c-text-2);
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text-align: center;
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margin-top: 0.1rem;
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}
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.step-arrow {
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color: var(--vp-c-brand);
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font-size: 1rem;
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font-weight: bold;
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}
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.support-table {
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background: var(--vp-c-bg);
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border-radius: 6px;
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border: 1px solid var(--vp-c-divider);
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padding: 0.75rem;
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overflow-x: auto;
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}
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.support-table h4 {
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margin: 0 0 0.75rem 0;
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font-size: 0.9rem;
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color: var(--vp-c-text-1);
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}
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.support-table table {
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width: 100%;
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border-collapse: collapse;
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font-size: 0.8rem;
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}
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.support-table th,
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.support-table td {
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padding: 0.5rem 0.6rem;
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text-align: left;
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border-bottom: 1px solid var(--vp-c-divider);
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}
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.support-table th {
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background: var(--vp-c-bg-soft);
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font-weight: 600;
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color: var(--vp-c-text-1);
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}
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.badge {
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display: inline-block;
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padding: 0.15rem 0.4rem;
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border-radius: 3px;
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font-size: 0.7rem;
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font-weight: 500;
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}
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.badge.excellent {
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background: rgba(34, 197, 94, 0.2);
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color: #16a34a;
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}
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.badge.good {
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background: rgba(59, 130, 246, 0.2);
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color: #2563eb;
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}
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.badge.fair {
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background: rgba(245, 158, 11, 0.2);
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color: #d97706;
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}
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.info-box {
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background-color: var(--vp-c-bg-alt);
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padding: 0.75rem;
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border-radius: 6px;
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font-size: 0.85rem;
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line-height: 1.4;
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color: var(--vp-c-text-2);
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margin-top: 1rem;
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}
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.info-box .icon {
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margin-right: 0.5rem;
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}
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@media (max-width: 768px) {
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.flow-steps {
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flex-direction: column;
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}
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.flow-step {
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flex-direction: column;
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}
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.step-arrow {
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transform: rotate(90deg);
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}
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}
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</style>
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