<template>
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<div>
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<el-popover ref="noticePopover" placement="bottom-end" width="320" trigger="manual" :value="noticeVisible" popper-class="notice-popover">
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<div class="notice-header">
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<span class="notice-title">通知公告</span>
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<span class="notice-mark-all" @click="markAllRead">全部已读</span>
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</div>
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<div v-if="noticeLoading" class="notice-loading"><i class="el-icon-loading"></i> 加载中...</div>
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<div v-else-if="noticeList.length === 0" class="notice-empty"><i class="el-icon-inbox"></i><br>暂无公告</div>
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<div v-else>
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<div v-for="item in noticeList" :key="item.noticeId" class="notice-item" :class="{ 'is-read': item.isRead }" @click="previewNotice(item)">
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<el-tag size="mini" :type="item.noticeType === '1' ? 'warning' : 'success'" class="notice-tag">
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{{ item.noticeType === '1' ? '通知' : '公告' }}
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</el-tag>
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<span class="notice-item-title">{{ item.noticeTitle }}</span>
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<span class="notice-item-date">{{ item.createTime }}</span>
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</div>
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</div>
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</el-popover>
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<div v-popover:noticePopover class="right-menu-item hover-effect notice-trigger" @mouseenter="onNoticeEnter" @mouseleave="onNoticeLeave">
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<svg-icon icon-class="bell" />
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<span v-if="unreadCount > 0" class="notice-badge">{{ unreadCount }}</span>
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</div>
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<el-dialog :title="previewTitle" :visible.sync="previewVisible" width="680px" append-to-body custom-class="notice-preview-dialog">
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<div class="notice-preview-meta">
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<el-tag size="small" :type="previewNoticeType === '1' ? 'warning' : 'success'">
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{{ previewNoticeType === '1' ? '通知' : '公告' }}
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</el-tag>
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<span class="notice-preview-info"><i class="el-icon-user"></i> {{ previewCreateBy }}</span>
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<span class="notice-preview-info"><i class="el-icon-time"></i> {{ previewCreateTime }}</span>
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</div>
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<div class="notice-preview-divider"></div>
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<div class="notice-preview-content" v-html="previewContent"></div>
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</el-dialog>
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</div>
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</template>
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<script>
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import { listNoticeTop, markNoticeRead, markNoticeReadAll, getNotice } from '@/api/system/notice'
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export default {
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name: 'HeaderNotice',
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data() {
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return {
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noticeList: [], // 通知列表
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unreadCount: 0, // 未读数量
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noticeLoading: false, // 加载状态
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noticeVisible: false, // 弹出层显示状态
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noticeLeaveTimer: null, // 鼠标离开计时器
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previewVisible: false, // 预览弹窗显示状态
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previewTitle: '', // 预览弹窗标题
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previewContent: '', // 预览弹窗内容
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previewNoticeType: '', // 预览弹窗类型
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previewCreateBy: '', // 预览弹窗创建人
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previewCreateTime: '' // 预览弹窗创建时间
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}
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},
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mounted() {
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this.loadNoticeTop()
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},
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methods: {
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// 鼠标移入铃铛区域
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onNoticeEnter() {
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clearTimeout(this.noticeLeaveTimer)
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this.noticeVisible = true
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this.$nextTick(() => {
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const popper = this.$refs.noticePopover.$refs.popper
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if (popper && !popper._noticeBound) {
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popper._noticeBound = true
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popper.addEventListener('mouseenter', () => clearTimeout(this.noticeLeaveTimer))
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popper.addEventListener('mouseleave', () => {
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this.noticeLeaveTimer = setTimeout(() => { this.noticeVisible = false }, 100)
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})
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}
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})
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},
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// 鼠标离开铃铛区域
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onNoticeLeave() {
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this.noticeLeaveTimer = setTimeout(() => { this.noticeVisible = false }, 150)
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},
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// 加载顶部公告列表
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loadNoticeTop() {
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this.noticeLoading = true
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listNoticeTop().then(res => {
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this.noticeList = res.data || []
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this.unreadCount = res.unreadCount !== undefined ? res.unreadCount : this.noticeList.filter(n => !n.isRead).length
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}).finally(() => {
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this.noticeLoading = false
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})
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},
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// 预览公告详情
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previewNotice(item) {
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if (!item.isRead) {
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markNoticeRead(item.noticeId).catch(() => {})
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item.isRead = true
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const idx = this.noticeList.indexOf(item)
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if (idx !== -1) this.$set(this.noticeList, idx, { ...item, isRead: true })
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this.unreadCount = Math.max(0, this.unreadCount - 1)
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}
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getNotice(item.noticeId).then(res => {
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const notice = res.data
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this.previewTitle = notice.noticeTitle
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this.previewContent = notice.noticeContent
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this.previewNoticeType = notice.noticeType
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this.previewCreateBy = notice.createBy
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this.previewCreateTime = notice.createTime
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this.previewVisible = true
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})
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},
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// 全部已读
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markAllRead() {
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const ids = this.noticeList.map(n => n.noticeId).join(',')
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if (!ids) return
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markNoticeReadAll(ids).catch(() => {})
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this.noticeList = this.noticeList.map(n => ({ ...n, isRead: true }))
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this.unreadCount = 0
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}
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}
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}
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</script>
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<style lang="scss" scoped>
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.notice-trigger {
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position: relative;
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transform: translateX(-6px);
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.svg-icon { width: 1.2em; height: 1.2em; vertical-align: -0.2em; }
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.notice-badge {
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position: absolute;
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top: 7px;
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right: -3px;
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background: #f56c6c;
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color: #fff;
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border-radius: 10px;
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font-size: 10px;
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height: 16px;
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line-height: 16px;
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padding: 0 4px;
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min-width: 16px;
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text-align: center;
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white-space: nowrap;
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pointer-events: none;
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}
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}
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.notice-popover {
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padding: 0 !important;
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}
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.notice-popover .notice-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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padding: 10px 14px;
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background: #f7f9fb;
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border-bottom: 1px solid #eee;
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font-size: 13px;
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font-weight: 600;
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color: #333;
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}
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.notice-popover .notice-mark-all {
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font-size: 12px;
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color: #409EFF;
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font-weight: normal;
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cursor: pointer;
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}
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.notice-popover .notice-mark-all:hover { color: #2b7cc1; }
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.notice-popover .notice-loading,
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.notice-popover .notice-empty {
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padding: 24px;
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text-align: center;
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color: #bbb;
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font-size: 12px;
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line-height: 1.8;
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}
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.notice-popover .notice-item {
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display: flex;
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align-items: center;
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gap: 8px;
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padding: 10px 14px;
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border-bottom: 1px solid #f5f5f5;
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cursor: pointer;
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transition: background 0.15s;
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}
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.notice-popover .notice-item:last-child { border-bottom: none; }
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.notice-popover .notice-item:hover { background: #f7f9fb; }
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.notice-popover .notice-item.is-read .notice-tag,
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.notice-popover .notice-item.is-read .notice-item-title,
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.notice-popover .notice-item.is-read .notice-item-date { opacity: 0.45; filter: grayscale(1); color: #999; }
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.notice-popover .notice-tag { flex-shrink: 0; }
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.notice-popover .notice-item-title {
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flex: 1;
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font-size: 12px;
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color: #333;
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overflow: hidden;
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white-space: nowrap;
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text-overflow: ellipsis;
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}
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.notice-popover .notice-item-date {
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flex-shrink: 0;
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font-size: 11px;
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color: #bbb;
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}
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::v-deep .notice-preview-dialog {
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.el-dialog__body { padding: 0 20px 20px; }
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.notice-preview-meta {
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display: flex;
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align-items: center;
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gap: 14px;
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padding: 12px 0;
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font-size: 12px;
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color: #888;
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.notice-preview-info { display: flex; align-items: center; gap: 4px; }
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}
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.notice-preview-divider {
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height: 1px;
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background: linear-gradient(to right, transparent, #e2e8f0, transparent);
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margin-bottom: 16px;
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}
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.notice-preview-content {
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font-size: 14px;
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line-height: 1.85;
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color: #2d3748;
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word-break: break-word;
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img { max-width: 100%; border-radius: 4px; }
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p { margin: 0 0 1em; }
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a { color: #409EFF; text-decoration: underline; }
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}
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}
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</style>
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