新增公告中心功能
## 功能概述 在钱包旁边新增公告中心，用户可以查看平台通知、教程、规则和常见问题。 ## 主要变更 ### 后端 - 新增 announcement 模块（handler/service/repository） - 新增 announcements 数据库表 - 添加公告相关 API 端点（用户端和管理端） - 扩展 response 包，新增 NotFound 和 InternalServerError 方法 ### 前端 - 新增公告功能模块（/features/announcement） - 实现公告列表页和详情页 - 在顶部导航添加公告入口（钱包旁边） - 支持按分类筛选（通知、教程、规则、FAQ） - 支持置顶和重要标记显示 ### 数据库 - 迁移文件：000005_add_announcements.sql - 示例数据：000006_insert_sample_announcements.sql - 包含6条示例公告 ## 技术特点 - 遵循项目现有架构模式 - 响应式设计，支持移动端 - 自动统计浏览次数 - 支持富文本内容展示 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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yml
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<script setup lang="ts">
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import { onMounted, ref } from 'vue'
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import { useRoute, useRouter } from 'vue-router'
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import { ArrowLeft, Bell, Calendar, Document, QuestionFilled, View, Warning } from '@element-plus/icons-vue'
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import { fetchAnnouncementDetail, type Announcement } from '@/features/announcement'
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import { formatDateTime } from '@/utils/time'
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const route = useRoute()
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const router = useRouter()
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const loading = ref(false)
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const announcement = ref<Announcement | null>(null)
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const categories = [
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{ value: 'notice', label: '通知公告', icon: Bell, color: '#3b82f6' },
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{ value: 'tutorial', label: '使用教程', icon: Document, color: '#10b981' },
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{ value: 'rule', label: '规则说明', icon: Warning, color: '#f59e0b' },
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{ value: 'faq', label: '常见问题', icon: QuestionFilled, color: '#8b5cf6' },
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]
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onMounted(loadAnnouncement)
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async function loadAnnouncement() {
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const id = Number(route.params.id)
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if (!id) {
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router.push('/announcements')
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return
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}
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loading.value = true
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try {
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announcement.value = await fetchAnnouncementDetail(id)
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} catch (err) {
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console.error('加载公告失败', err)
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router.push('/announcements')
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} finally {
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loading.value = false
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}
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}
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function goBack() {
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router.push('/announcements')
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}
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function getCategoryInfo(category: string) {
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return categories.find(c => c.value === category) || categories[0]
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}
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function getCategoryLabel(category: string) {
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const cat = categories.find(c => c.value === category)
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return cat ? cat.label : category
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}
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</script>
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<template>
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<section class="page announcement-detail-page" v-loading="loading">
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<div class="detail-header">
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<button class="back-button" @click="goBack">
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<el-icon><ArrowLeft /></el-icon>
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<span>返回列表</span>
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</button>
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</div>
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<div v-if="announcement" class="announcement-detail-card">
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<div class="detail-meta">
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<el-tag
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:type="announcement.category === 'notice' ? 'primary' : 'info'"
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effect="plain"
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size="small"
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class="category-tag"
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:style="{
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borderColor: getCategoryInfo(announcement.category).color,
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color: getCategoryInfo(announcement.category).color
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}"
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>
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<el-icon><component :is="getCategoryInfo(announcement.category).icon" /></el-icon>
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{{ getCategoryLabel(announcement.category) }}
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</el-tag>
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<el-tag v-if="announcement.is_pinned" type="warning" effect="plain" size="small">置顶</el-tag>
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<el-tag v-if="announcement.is_important" type="danger" effect="plain" size="small">重要</el-tag>
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</div>
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<h1 class="detail-title">{{ announcement.title }}</h1>
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<div class="detail-info">
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<span class="info-item">
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<el-icon><Calendar /></el-icon>
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发布时间：{{ formatDateTime(announcement.published_at || announcement.created_at) }}
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</span>
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<span class="info-item">
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<el-icon><View /></el-icon>
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浏览次数：{{ announcement.view_count }}
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</span>
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</div>
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<div class="detail-divider"></div>
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<div class="detail-content" v-html="announcement.content"></div>
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</div>
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</section>
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</template>
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<style scoped>
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.announcement-detail-page {
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display: grid;
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gap: 20px;
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max-width: 900px;
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margin: 0 auto;
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}
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.detail-header {
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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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}
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.back-button {
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display: flex;
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align-items: center;
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gap: 6px;
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padding: 10px 18px;
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border: 1px solid #e2e8f0;
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border-radius: 10px;
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background: #ffffff;
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color: #64748b;
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font-size: 14px;
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font-weight: 700;
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cursor: pointer;
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transition: all 0.2s;
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}
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.back-button:hover {
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border-color: #3b82f6;
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background: #eff6ff;
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color: #3b82f6;
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}
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.announcement-detail-card {
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padding: 40px;
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border: 1px solid #e6eaf2;
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border-radius: 12px;
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background: #ffffff;
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box-shadow: 0 12px 30px rgba(17, 24, 39, 0.05);
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}
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.detail-meta {
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display: flex;
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align-items: center;
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gap: 8px;
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margin-bottom: 20px;
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}
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.category-tag {
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display: flex;
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align-items: center;
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gap: 4px;
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}
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.detail-title {
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margin: 0 0 20px;
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color: #111827;
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font-size: 28px;
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font-weight: 800;
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line-height: 1.3;
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}
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.detail-info {
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display: flex;
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flex-wrap: wrap;
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align-items: center;
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gap: 24px;
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margin-bottom: 24px;
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}
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.info-item {
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display: flex;
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align-items: center;
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gap: 6px;
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color: #64748b;
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font-size: 14px;
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}
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.info-item .el-icon {
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font-size: 16px;
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}
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.detail-divider {
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height: 1px;
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margin-bottom: 32px;
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background: #e6eaf2;
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}
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.detail-content {
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color: #334155;
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font-size: 16px;
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line-height: 1.8;
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}
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.detail-content :deep(h1),
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.detail-content :deep(h2),
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.detail-content :deep(h3) {
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margin: 28px 0 16px;
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color: #111827;
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font-weight: 700;
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}
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.detail-content :deep(h1) {
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font-size: 24px;
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}
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.detail-content :deep(h2) {
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font-size: 20px;
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}
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.detail-content :deep(h3) {
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font-size: 18px;
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}
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.detail-content :deep(p) {
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margin: 16px 0;
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line-height: 1.8;
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}
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.detail-content :deep(ul),
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.detail-content :deep(ol) {
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margin: 16px 0;
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padding-left: 24px;
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}
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.detail-content :deep(li) {
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margin: 8px 0;
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line-height: 1.7;
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}
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.detail-content :deep(code) {
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padding: 2px 6px;
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border-radius: 4px;
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background: #f1f5f9;
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color: #e11d48;
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font-family: 'SF Mono', 'Menlo', 'Consolas', monospace;
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font-size: 14px;
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}
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.detail-content :deep(pre) {
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margin: 20px 0;
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padding: 16px;
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border-radius: 8px;
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background: #1e293b;
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color: #e2e8f0;
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font-family: 'SF Mono', 'Menlo', 'Consolas', monospace;
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font-size: 14px;
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line-height: 1.6;
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overflow-x: auto;
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}
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.detail-content :deep(pre code) {
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padding: 0;
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background: transparent;
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color: inherit;
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}
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.detail-content :deep(blockquote) {
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margin: 20px 0;
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padding: 12px 20px;
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border-left: 4px solid #3b82f6;
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background: #eff6ff;
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color: #1e40af;
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}
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.detail-content :deep(a) {
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color: #3b82f6;
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text-decoration: none;
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transition: color 0.2s;
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}
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.detail-content :deep(a:hover) {
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color: #2563eb;
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text-decoration: underline;
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}
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.detail-content :deep(img) {
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max-width: 100%;
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margin: 20px 0;
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border-radius: 8px;
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}
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@media (max-width: 720px) {
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.announcement-detail-card {
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padding: 24px 20px;
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}
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.detail-title {
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font-size: 22px;
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}
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.detail-content {
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font-size: 15px;
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}
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.detail-info {
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flex-direction: column;
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align-items: flex-start;
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gap: 12px;
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}
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}
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</style>
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