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
316 lines
6.6 KiB
Vue
316 lines
6.6 KiB
Vue
<template>
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<div class="deployment-dns-demo">
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<div class="demo-header">
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<span class="icon">🔍</span>
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<span class="title">DNS 解析流程</span>
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<span class="subtitle">域名是怎么变成 IP 地址的</span>
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</div>
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<div class="intro-text">
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想象你要给朋友打电话，但你只记得他的名字，不记得电话号。<strong>DNS</strong> 就像一个<strong>电话本</strong>，帮你把名字翻译成号码。
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</div>
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<div class="demo-content">
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<div class="dns-flow">
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<div class="flow-step" :class="{ active: currentStep >= 1 }">
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<div class="step-icon">💻</div>
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<div class="step-info">
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<div class="step-title">用户输入域名</div>
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<div class="step-desc">在浏览器输入 coffee.example.com</div>
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</div>
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</div>
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<div class="flow-arrow">→</div>
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<div class="flow-step" :class="{ active: currentStep >= 2 }">
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<div class="step-icon">📋</div>
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<div class="step-info">
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<div class="step-title">查询本地 DNS</div>
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<div class="step-desc">先查电脑的"电话本"（缓存）</div>
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</div>
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</div>
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<div class="flow-arrow">→</div>
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<div class="flow-step" :class="{ active: currentStep >= 3 }">
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<div class="step-icon">🌐</div>
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<div class="step-info">
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<div class="step-title">向上级 DNS 查询</div>
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<div class="step-desc">本地没有，问"上级电话局"</div>
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</div>
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</div>
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<div class="flow-arrow">→</div>
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<div class="flow-step" :class="{ active: currentStep >= 4 }">
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<div class="step-icon">🏠</div>
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<div class="step-info">
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<div class="step-title">返回 IP 地址</div>
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<div class="step-desc">找到了！123.45.67.89</div>
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</div>
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</div>
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</div>
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<div class="example-box">
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<div class="example-title">DNS 记录示例</div>
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<div class="record-list">
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<div class="record-item">
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<span class="record-type">A 记录</span>
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<span class="record-name">coffee.example.com</span>
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<span class="record-arrow">→</span>
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<span class="record-value">123.45.67.89</span>
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</div>
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<div class="record-item">
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<span class="record-type">CNAME</span>
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<span class="record-name">www.coffee.example.com</span>
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<span class="record-arrow">→</span>
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<span class="record-value">coffee.example.com</span>
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</div>
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</div>
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</div>
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<button @click="playAnimation" class="play-btn">
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{{ isPlaying ? '▶ 重新播放' : '▶ 播放动画' }}
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</button>
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</div>
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<div class="info-box">
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<span class="icon">💡</span>
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<strong>关键点：</strong>DNS 修改不是立即生效的，全球同步需要几分钟到几小时（受 TTL 影响）。
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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 currentStep = ref(0)
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const isPlaying = ref(false)
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const playAnimation = () => {
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isPlaying.value = true
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currentStep.value = 0
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const steps = [1, 2, 3, 4]
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let delay = 0
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steps.forEach((step, index) => {
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delay += 800
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setTimeout(() => {
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currentStep.value = step
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if (index === steps.length - 1) {
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setTimeout(() => {
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isPlaying.value = false
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}, 1000)
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}
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}, delay)
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})
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}
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</script>
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<style scoped>
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.deployment-dns-demo {
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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: 1.5rem;
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margin: 1rem 0;
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max-height: 600px;
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overflow-y: auto;
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}
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.demo-header {
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display: flex;
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align-items: center;
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gap: 0.5rem;
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margin-bottom: 0.75rem;
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}
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.demo-header .icon {
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font-size: 1.25rem;
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}
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.demo-header .title {
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font-weight: bold;
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font-size: 1rem;
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}
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.demo-header .subtitle {
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color: var(--vp-c-text-2);
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font-size: 0.85rem;
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margin-left: 0.5rem;
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}
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.intro-text {
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font-size: 0.9rem;
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color: var(--vp-c-text-2);
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line-height: 1.6;
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margin-bottom: 1rem;
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padding: 0.75rem;
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background: var(--vp-c-bg);
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border-radius: 6px;
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}
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.intro-text strong {
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color: var(--vp-c-brand-1);
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font-weight: 500;
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}
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.demo-content {
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margin-bottom: 1rem;
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}
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.dns-flow {
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display: flex;
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align-items: center;
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justify-content: space-between;
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margin-bottom: 1.5rem;
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gap: 0.5rem;
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}
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.flow-step {
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flex: 1;
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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: 0.75rem;
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background: var(--vp-c-bg);
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border: 2px solid var(--vp-c-divider);
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border-radius: 8px;
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transition: all 0.3s ease;
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}
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.flow-step.active {
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border-color: var(--vp-c-brand);
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background: var(--vp-c-brand-soft);
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transform: translateY(-2px);
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}
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.step-icon {
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font-size: 1.5rem;
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margin-bottom: 0.5rem;
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}
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.step-info {
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text-align: center;
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}
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.step-title {
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font-weight: 600;
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font-size: 0.85rem;
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color: var(--vp-c-text-1);
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margin-bottom: 0.25rem;
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}
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.step-desc {
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font-size: 0.75rem;
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color: var(--vp-c-text-2);
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line-height: 1.4;
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}
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.flow-arrow {
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font-size: 1.25rem;
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color: var(--vp-c-text-3);
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}
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.example-box {
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background: var(--vp-c-bg);
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border-radius: 8px;
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padding: 1rem;
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margin-bottom: 1rem;
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}
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.example-title {
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font-weight: 600;
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font-size: 0.9rem;
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margin-bottom: 0.75rem;
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color: var(--vp-c-text-1);
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}
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.record-list {
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display: flex;
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flex-direction: column;
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gap: 0.5rem;
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}
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.record-item {
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display: flex;
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align-items: center;
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gap: 0.5rem;
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padding: 0.5rem;
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background: var(--vp-c-bg-soft);
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border-radius: 4px;
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font-size: 0.8rem;
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}
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.record-type {
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background: var(--vp-c-brand);
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color: white;
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padding: 0.2rem 0.5rem;
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border-radius: 4px;
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font-weight: 600;
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font-size: 0.7rem;
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min-width: 60px;
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text-align: center;
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}
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.record-name {
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color: var(--vp-c-text-2);
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flex: 1;
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font-family: monospace;
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}
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.record-arrow {
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color: var(--vp-c-text-3);
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}
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.record-value {
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color: var(--vp-c-brand);
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font-family: monospace;
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font-weight: 500;
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}
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.play-btn {
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width: 100%;
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padding: 0.75rem;
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background: var(--vp-c-brand);
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color: white;
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border: none;
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border-radius: 6px;
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font-size: 0.9rem;
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font-weight: 500;
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cursor: pointer;
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transition: background 0.2s ease;
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}
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.play-btn:hover {
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background: var(--vp-c-brand-1);
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}
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.info-box {
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background: var(--vp-c-bg-alt);
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padding: 0.75rem;
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border-radius: 6px;
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font-size: 0.85rem;
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color: var(--vp-c-text-2);
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}
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.info-box .icon {
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margin-right: 0.25rem;
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}
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@media (max-width: 768px) {
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.dns-flow {
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flex-wrap: wrap;
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}
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.flow-arrow {
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display: none;
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}
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.flow-step {
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min-width: 45%;
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}
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}
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</style>
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