sanbuphy
6098908eee
- Add Vue components for interactive demos (SSH auth, regex, env vars, ports) - Complete markdown content for SSH, regex, environment variables, and ports - Remove placeholder "待实现" sections and replace with detailed guides - Add visual explanations for key concepts like ports and localhost - Include practical examples and troubleshooting tips - Add component for showing evolution from transistors to CPU - Improve documentation structure and navigation - Add security best practices for API keys and environment variables
268 lines
6.6 KiB
Vue
268 lines
6.6 KiB
Vue
<template>
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<div class="demo-root">
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<div class="demo-header">
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<span class="title">export 决定子进程能不能"看见"变量</span>
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<span class="subtitle">切换开关，观察子进程是否能读到父进程设置的变量</span>
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</div>
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<div class="control-panel">
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<label class="toggle-wrap">
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<span class="toggle-label">使用 <code>export</code></span>
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<button class="toggle-btn" :class="{ on: useExport }" @click="useExport = !useExport">
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<span class="thumb" />
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</button>
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</label>
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</div>
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<div class="two-col">
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<!-- Parent shell -->
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<div class="shell-box parent">
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<div class="shell-title">父进程（Shell）</div>
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<div class="shell-body">
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<div class="cmd-line">
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<span class="prompt">$</span>
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<span class="cmd" :class="{ exported: useExport }">
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<span v-if="useExport">export </span>MY_VAR="hello"
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</span>
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</div>
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<div class="cmd-line">
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<span class="prompt">$</span>
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<span class="cmd">echo $MY_VAR</span>
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</div>
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<div class="output">hello</div>
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<div class="cmd-line">
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<span class="prompt">$</span>
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<span class="cmd">bash -c 'echo $MY_VAR'</span>
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</div>
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</div>
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</div>
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<!-- Arrow -->
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<div class="arrow-col">
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<div class="arrow-label">启动子进程</div>
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<div class="arrow-icon">→</div>
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<div class="inherit-tag" :class="useExport ? 'yes' : 'no'">
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{{ useExport ? '变量已继承' : '变量未继承' }}
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</div>
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</div>
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<!-- Child shell -->
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<div class="shell-box child" :class="{ has: useExport, missing: !useExport }">
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<div class="shell-title">子进程（bash -c ...）</div>
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<div class="shell-body">
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<div class="cmd-line">
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<span class="prompt">$</span>
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<span class="cmd">echo $MY_VAR</span>
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</div>
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<div v-if="useExport" class="output success">hello</div>
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<div v-else class="output empty">（空，什么都没有）</div>
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<div class="cmd-line muted">
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<span class="prompt">#</span>
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<span class="cmd muted-text">子进程无法修改父进程的变量</span>
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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 class="info-box">
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<strong>{{ useExport ? '有 export：' : '没有 export：' }}</strong>
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{{ useExport
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? '变量被标记为"可导出"，子进程启动时自动继承一份副本。'
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: '变量只存在于当前 Shell，子进程读到的是空字符串。' }}
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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 useExport = ref(false)
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</script>
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<style scoped>
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.demo-root {
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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: 1rem;
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margin: 0.75rem 0;
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min-width: 0;
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overflow: hidden;
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}
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.demo-header {
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display: flex;
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align-items: baseline;
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gap: 0.6rem;
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flex-wrap: wrap;
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margin-bottom: 0.85rem;
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}
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.demo-header .title { font-size: 1rem; font-weight: bold; color: var(--vp-c-text-1); }
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.demo-header .subtitle { font-size: 0.82rem; color: var(--vp-c-text-2); }
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.control-panel {
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display: flex;
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align-items: center;
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gap: 0.75rem;
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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: 0.55rem 0.75rem;
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margin-bottom: 0.85rem;
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}
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.toggle-wrap {
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display: flex;
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align-items: center;
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gap: 0.65rem;
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cursor: pointer;
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}
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.toggle-label {
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font-size: 0.85rem;
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color: var(--vp-c-text-1);
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user-select: none;
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}
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.toggle-label code {
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font-family: var(--vp-font-family-mono);
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background: var(--vp-c-bg-soft);
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padding: 0 0.3rem;
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border-radius: 3px;
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color: var(--vp-c-brand);
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font-size: 0.82rem;
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}
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.toggle-btn {
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position: relative;
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width: 44px;
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height: 24px;
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border-radius: 12px;
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border: 1px solid var(--vp-c-divider);
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background: var(--vp-c-bg-alt);
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cursor: pointer;
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transition: all 0.25s;
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flex-shrink: 0;
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}
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.toggle-btn.on {
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background: var(--vp-c-brand);
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border-color: var(--vp-c-brand);
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}
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.thumb {
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position: absolute;
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width: 18px;
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height: 18px;
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border-radius: 50%;
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background: var(--vp-c-text-2);
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top: 2px;
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left: 2px;
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transition: all 0.25s;
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}
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.toggle-btn.on .thumb {
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left: 22px;
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background: white;
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}
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/* ── Two column layout ── */
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.two-col {
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display: grid;
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grid-template-columns: 1fr auto 1fr;
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gap: 0.6rem;
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align-items: center;
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margin-bottom: 0.75rem;
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}
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@media (max-width: 600px) {
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.two-col {
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grid-template-columns: 1fr;
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}
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.arrow-col { flex-direction: row; justify-content: center; }
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}
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.shell-box {
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border: 2px solid var(--vp-c-divider);
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border-radius: 6px;
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overflow: hidden;
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background: #1e1e2e;
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transition: border-color 0.3s;
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min-width: 0;
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}
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.shell-box.has { border-color: var(--vp-c-green-1); }
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.shell-box.missing { border-color: color-mix(in srgb, #f87171 60%, transparent); }
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.shell-title {
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background: #181825;
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padding: 0.28rem 0.65rem;
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font-size: 0.72rem;
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color: #6c7086;
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}
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.shell-body {
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padding: 0.5rem 0.65rem;
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font-family: var(--vp-font-family-mono);
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font-size: 0.8rem;
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line-height: 1.8;
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}
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.cmd-line { display: flex; gap: 0.4rem; align-items: baseline; }
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.prompt { color: #6c7086; flex-shrink: 0; }
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.cmd { color: #cdd6f4; word-break: break-all; }
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.cmd.exported { color: #a6e3a1; }
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.muted .prompt { color: #45475a; }
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.muted-text { color: #45475a; font-style: italic; font-size: 0.72rem; }
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.output {
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padding-left: 1rem;
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font-size: 0.82rem;
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line-height: 1.6;
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}
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.output.success { color: #a6e3a1; }
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.output.empty { color: #585b70; font-style: italic; }
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.arrow-col {
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display: flex;
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flex-direction: column;
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align-items: center;
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gap: 0.3rem;
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}
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.arrow-label { font-size: 0.7rem; color: var(--vp-c-text-3); white-space: nowrap; }
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.arrow-icon {
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font-size: 1.4rem;
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color: var(--vp-c-text-3);
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transition: color 0.3s;
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}
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.inherit-tag {
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font-size: 0.7rem;
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padding: 0.15rem 0.45rem;
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border-radius: 4px;
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font-weight: bold;
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white-space: nowrap;
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transition: all 0.3s;
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}
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.inherit-tag.yes { background: color-mix(in srgb, var(--vp-c-green-1) 15%, transparent); color: var(--vp-c-green-1); border: 1px solid var(--vp-c-green-1); }
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.inherit-tag.no { background: color-mix(in srgb, #f87171 12%, transparent); color: #f87171; border: 1px solid #f87171; }
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.info-box {
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display: block;
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background: var(--vp-c-bg-alt);
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border-radius: 6px;
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padding: 0.6rem 0.75rem;
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font-size: 0.84rem;
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color: var(--vp-c-text-2);
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line-height: 1.6;
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}
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.info-box strong { white-space: nowrap; color: var(--vp-c-text-1); }
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</style>
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