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<!--
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AuthBasicsDemo.vue
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鉴权基础:你到底在“传什么”来证明身份?
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-->
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<template>
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<div class="auth-basics-demo">
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<div class="header">
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<div class="title">🧰 鉴权的 4 种常见“凭证”</div>
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<div class="subtitle">
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选一个方案,看看请求长什么样、优缺点是什么、最常见坑是什么。
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</div>
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</div>
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<div class="tabs">
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<button
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v-for="m in methods"
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:key="m.id"
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class="tab"
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:class="{ active: current === m.id }"
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@click="current = m.id"
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>
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{{ m.name }}
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<span class="tag">{{ m.bestFor }}</span>
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</button>
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</div>
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<div class="grid">
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<div class="card">
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<div class="card-title">请求长什么样</div>
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<pre class="code"><code>{{ active.example }}</code></pre>
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<div class="hint">{{ active.note }}</div>
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</div>
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<div class="card">
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<div class="card-title">什么时候用 / 不用</div>
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<div class="two">
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<div class="box">
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<div class="box-title">✅ 适合</div>
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<ul class="list">
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<li v-for="(x, i) in active.pros" :key="i">{{ x }}</li>
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</ul>
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</div>
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<div class="box">
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<div class="box-title">⚠️ 不适合 / 风险</div>
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<ul class="list">
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<li v-for="(x, i) in active.cons" :key="i">{{ x }}</li>
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</ul>
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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="card">
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<div class="card-title">一句话口诀</div>
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<div class="desc">
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<strong>先认证(你是谁)</strong
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>,再授权(你能做什么)。凭证只是“证明身份的方式”,授权永远要在服务端执行。
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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 { computed, ref } from 'vue'
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const methods = [
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{
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id: 'basic',
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name: 'HTTP Basic',
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bestFor: '内部工具',
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example: `GET /api/profile
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Authorization: Basic <base64(username:password)>`,
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note: 'Base64 不是加密;必须配合 HTTPS,且不建议用于公网生产。',
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pros: ['最简单,所有客户端都支持', '适合内部/临时调试工具'],
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cons: [
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'每次请求都带密码(风险大)',
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'无法“注销”(除非服务端改密码)',
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'不适合现代业务'
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]
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},
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{
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id: 'cookie',
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name: 'Session + Cookie',
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bestFor: '传统 Web',
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example: `POST /login
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→ 200 OK
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Set-Cookie: session_id=abc; HttpOnly; Secure; SameSite=Lax
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GET /api/profile
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Cookie: session_id=abc`,
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note: '浏览器会自动带 Cookie;因此一定要做 CSRF 防护(SameSite / CSRF Token)。',
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pros: ['服务端可控(可主动注销)', '适合 SSR/同域 Web', '实现直观'],
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cons: ['服务端有状态(需要共享 session)', '跨域复杂', '容易被 CSRF 影响']
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},
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{
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id: 'jwt',
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name: 'JWT Bearer',
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bestFor: 'API/移动端',
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example: `POST /login
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→ { "access_token": "..." }
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GET /api/profile
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Authorization: Bearer <access_token>`,
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note: 'JWT payload 可解码;不要放敏感信息。建议短 access token + refresh token。',
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pros: ['无状态,易扩展', '跨域友好', '移动端/多服务常用'],
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cons: [
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'难以全局注销(需要额外机制)',
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'token 变大,每次都要带',
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'设计不好会导致权限失控'
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]
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},
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{
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id: 'apikey',
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name: 'API Key',
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bestFor: '服务到服务',
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example: `GET /api/metrics
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X-API-Key: <your_api_key>`,
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note: 'API Key 更像“门禁卡”,要配合限流、IP 白名单、轮换、最小权限。',
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pros: ['实现简单', '适合服务间/脚本访问', '易于轮换(如果设计得当)'],
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cons: ['通常缺少用户上下文', '泄露后影响大', '需要做权限/轮换/审计']
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}
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]
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const current = ref(methods[0].id)
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const active = computed(
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() => methods.find((m) => m.id === current.value) || methods[0]
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)
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</script>
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<style scoped>
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.auth-basics-demo {
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border: 1px solid var(--vp-c-divider);
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background: var(--vp-c-bg-soft);
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border-radius: 8px;
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padding: 1.5rem;
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margin: 1rem 0;
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}
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.header {
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margin-bottom: 1rem;
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}
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.title {
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font-weight: 800;
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color: var(--vp-c-text-1);
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}
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.subtitle {
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margin-top: 0.25rem;
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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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.tabs {
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display: flex;
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flex-wrap: wrap;
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gap: 0.5rem;
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margin-bottom: 1rem;
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}
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.tab {
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display: inline-flex;
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align-items: center;
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gap: 0.5rem;
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padding: 0.5rem 0.75rem;
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border-radius: 999px;
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border: 1px solid var(--vp-c-divider);
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background: var(--vp-c-bg);
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color: var(--vp-c-text-1);
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cursor: pointer;
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font-weight: 700;
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font-size: 0.875rem;
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}
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.tab.active {
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border-color: rgba(var(--vp-c-brand-rgb), 0.35);
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box-shadow: 0 0 0 3px rgba(var(--vp-c-brand-rgb), 0.12);
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}
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.tag {
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font-size: 0.75rem;
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padding: 0.15rem 0.5rem;
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border-radius: 999px;
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border: 1px solid var(--vp-c-divider);
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background: var(--vp-c-bg-soft);
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color: var(--vp-c-text-2);
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font-weight: 600;
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}
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.grid {
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display: grid;
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grid-template-columns: 1fr 1fr;
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gap: 1rem;
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margin-bottom: 1rem;
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}
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.card {
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background: var(--vp-c-bg);
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border: 1px solid var(--vp-c-divider);
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border-radius: 8px;
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padding: 1rem;
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}
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.card-title {
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font-weight: 800;
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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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.code {
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margin: 0;
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padding: 0.75rem;
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border-radius: 6px;
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background: var(--vp-c-bg-alt);
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border: 1px solid var(--vp-c-divider);
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overflow-x: auto;
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color: var(--vp-c-text-1);
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}
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.hint {
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margin-top: 0.75rem;
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color: var(--vp-c-text-2);
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font-size: 0.9rem;
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line-height: 1.7;
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}
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.two {
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display: grid;
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grid-template-columns: 1fr 1fr;
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gap: 0.75rem;
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}
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.box {
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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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border-radius: 8px;
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padding: 0.75rem;
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}
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.box-title {
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font-weight: 800;
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margin-bottom: 0.5rem;
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color: var(--vp-c-text-1);
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}
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.list {
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margin: 0;
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padding-left: 1.1rem;
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color: var(--vp-c-text-2);
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line-height: 1.75;
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}
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2026-01-19 11:25:10 +08:00
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.desc {
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color: var(--vp-c-text-2);
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line-height: 1.75;
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}
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2026-01-19 11:25:10 +08:00
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@media (max-width: 720px) {
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.grid {
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grid-template-columns: 1fr;
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}
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.two {
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grid-template-columns: 1fr;
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}
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}
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</style>
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