diff --git a/web/src/layouts/AdminLayout.vue b/web/src/layouts/AdminLayout.vue
index d585f86..1d90568 100644
--- a/web/src/layouts/AdminLayout.vue
+++ b/web/src/layouts/AdminLayout.vue
@@ -65,7 +65,6 @@ const navigationGroups = computed<NavigationGroup[]>(() => [
   {
     key: 'overview',
     label: '教务总览',
-    direct: true,
     items: [
       { path: '/dashboard', label: '教务总览' },
       { path: '/academic-calendar', label: '学期校历与日程' },
diff --git a/web/src/views/AcademicCalendarView.vue b/web/src/views/AcademicCalendarView.vue
index b33275f..6c7f2c2 100644
--- a/web/src/views/AcademicCalendarView.vue
+++ b/web/src/views/AcademicCalendarView.vue
@@ -1,34 +1,877 @@
 <script setup lang="ts">
-import { computed, onMounted, reactive, ref } from 'vue'
-import { ElMessage, ElMessageBox } from 'element-plus'
-import { ArrowLeft, ArrowRight, Plus } from '@element-plus/icons-vue'
-import http from '../api/http'
-import { useAuthStore } from '../stores/auth'
-import { academicTermLabel, defaultAcademicTermId } from '../utils/academicTerms'
-interface CalendarEvent { id: string; academicTermId: string; title: string; kind: number | string; startsOn: string; endsOn?: string; reminderDays: number; audienceRoles: string[]; description?: string; isEnabled: boolean }
-const auth = useAuthStore(), terms = ref<any[]>([]), events = ref<CalendarEvent[]>([]), selectedTermId = ref(''), loading = ref(false), dialogVisible = ref(false), editingId = ref<string>(), cursor = ref(new Date(new Date().getFullYear(), new Date().getMonth(), 1))
-const canManage = computed(() => auth.user?.roles.some(role => ['SuperAdmin', 'AcademicAdmin'].includes(role)) ?? false)
-const isStudent = computed(() => auth.user?.roles.includes('Student') ?? false)
-const roles = [['SuperAdmin','超级管理员'],['AcademicAdmin','校级教务管理员'],['CollegeAdmin','学院教务管理员'],['Leader','领导'],['Counselor','辅导员'],['Teacher','教师'],['Student','学生'],['MaintenanceAdmin','维修管理员'],['MaintenanceStaff','维修人员']]
-const kinds = [[1,'选课'],[2,'成绩'],[3,'评教'],[4,'考试'],[5,'毕业审核'],[6,'法定节假日'],[99,'其他']], weekdays = ['一','二','三','四','五','六','日']
-const form = reactive<any>({ academicTermId:'', title:'', kind:99, startsOn:'', endsOn:'', reminderDays:7, audienceRoles:[], description:'', isEnabled:true })
-function key(date: Date) { return `${date.getFullYear()}-${String(date.getMonth()+1).padStart(2,'0')}-${String(date.getDate()).padStart(2,'0')}` }
-function parse(value: string) { const [y,m,d] = value.slice(0,10).split('-').map(Number); return new Date(y,m-1,d) }
-function kindKey(kind: number | string) { return ({'1':'course',courseselection:'course','2':'grade',grade:'grade','3':'evaluation',evaluation:'evaluation','4':'exam',exam:'exam','5':'graduation',graduationaudit:'graduation','6':'holiday',publicholiday:'holiday','99':'other',other:'other'} as Record<string,string>)[String(kind).toLowerCase()] ?? 'other' }
-function label(kind: number | string) { return ({course:'选课',grade:'成绩',evaluation:'评教',exam:'考试',graduation:'毕业审核',holiday:'法定节假日',other:'其他'} as Record<string,string>)[kindKey(kind)] }
-function spans(item: CalendarEvent, day: string) { return item.startsOn <= day && (item.endsOn ?? item.startsOn) >= day }
-const today = key(new Date()), monthTitle = computed(() => `${cursor.value.getFullYear()} 年 ${cursor.value.getMonth()+1} 月`)
-const days = computed(() => { const first = new Date(cursor.value.getFullYear(),cursor.value.getMonth(),1), start = new Date(first); start.setDate(first.getDate()-((first.getDay()+6)%7)); return Array.from({length:42},(_,i) => { const date = new Date(start); date.setDate(start.getDate()+i); const day = key(date); return { date, day, inMonth:date.getMonth()===cursor.value.getMonth(), events:events.value.filter(item=>spans(item,day)) } }) })
-const monthEvents = computed(() => events.value.filter(item => { const date=parse(item.startsOn); return date.getFullYear()===cursor.value.getFullYear() && date.getMonth()===cursor.value.getMonth() }))
-function shift(amount:number) { cursor.value = new Date(cursor.value.getFullYear(),cursor.value.getMonth()+amount,1) } function goToday() { cursor.value = new Date(new Date().getFullYear(),new Date().getMonth(),1) }
-function due(item:CalendarEvent) { const gap=Math.ceil((parse(item.startsOn).getTime()-parse(today).getTime())/86400000); return gap>=0 && gap<=item.reminderDays } function audience(item:CalendarEvent) { return item.audienceRoles.length ? item.audienceRoles.map(role=>roles.find(x=>x[0]===role)?.[1]??role).join('、') : '全部角色' }
-async function load() { loading.value=true; try { const calendarRequest=http.get(canManage.value?'/academic-calendar/manage':'/academic-calendar',{params:selectedTermId.value?{academicTermId:selectedTermId.value}:undefined}); const examRequest=isStudent.value?http.get('/exams/my-schedule'):Promise.resolve({data:[]}); const [calendar,exams]=await Promise.all([calendarRequest,examRequest]); const examEvents=(exams.data as any[]).map(exam=>({id:`exam-${exam.id}`,academicTermId:selectedTermId.value,title:`考试：${exam.courseName}`,kind:'Exam',startsOn:exam.examDate,reminderDays:7,audienceRoles:['Student'],description:`${exam.startsAt?.slice(11,16)??''}—${exam.endsAt?.slice(11,16)??''} · ${[exam.buildingName,exam.classroomName].filter(Boolean).join(' ')}`,isEnabled:true,source:'ExamSchedule'})); events.value=[...calendar.data,...examEvents] } finally { loading.value=false } }
-function open(item?:CalendarEvent) { editingId.value=item?.id; Object.assign(form,item?{...item,endsOn:item.endsOn??''}:{academicTermId:selectedTermId.value||defaultAcademicTermId(terms.value)||'',title:'',kind:99,startsOn:today,endsOn:'',reminderDays:7,audienceRoles:[],description:'',isEnabled:true}); dialogVisible.value=true }
-async function save() { if(!form.academicTermId||!form.title.trim()||!form.startsOn)return ElMessage.warning('请填写学期、日程名称和开始日期。'); const body={...form,title:form.title.trim(),endsOn:form.endsOn||null,description:form.description?.trim()||null}; if(editingId.value)await http.put(`/academic-calendar/${editingId.value}`,body);else await http.post('/academic-calendar',body); ElMessage.success('校历日程已保存；它只用于展示和提醒。'); dialogVisible.value=false; await load() }
-async function remove(item:CalendarEvent) { await ElMessageBox.confirm(`删除“${item.title}”吗？`,'删除日程',{type:'warning'});await http.delete(`/academic-calendar/${item.id}`);ElMessage.success('日程已删除');await load() }
-onMounted(async()=>{terms.value=(await http.get('/base-data/terms')).data;selectedTermId.value=defaultAcademicTermId(terms.value)??'';await load()})
+import { computed, onMounted, reactive, ref } from "vue";
+import { ElMessage, ElMessageBox } from "element-plus";
+import { ArrowLeft, ArrowRight, Plus } from "@element-plus/icons-vue";
+import http from "../api/http";
+import { useAuthStore } from "../stores/auth";
+import {
+  academicTermLabel,
+  defaultAcademicTermId,
+} from "../utils/academicTerms";
+interface CalendarEvent {
+  id: string;
+  academicTermId: string;
+  title: string;
+  kind: number | string;
+  startsOn: string;
+  endsOn?: string;
+  reminderDays: number;
+  audienceRoles: string[];
+  description?: string;
+  isEnabled: boolean;
+}
+interface HolidayPreview {
+  name: string;
+  date: string;
+  isOffDay: boolean;
+}
+const auth = useAuthStore(),
+  terms = ref<any[]>([]),
+  events = ref<CalendarEvent[]>([]),
+  selectedTermId = ref(""),
+  loading = ref(false),
+  dialogVisible = ref(false),
+  holidayDialogVisible = ref(false),
+  holidayLoading = ref(false),
+  holidayDays = ref<HolidayPreview[]>([]),
+  holidayYear = ref(new Date().getFullYear()),
+  editingId = ref<string>(),
+  cursor = ref(new Date(new Date().getFullYear(), new Date().getMonth(), 1));
+const canManage = computed(
+  () =>
+    auth.user?.roles.some((role) =>
+      ["SuperAdmin", "AcademicAdmin"].includes(role),
+    ) ?? false,
+);
+const isStudent = computed(() => auth.user?.roles.includes("Student") ?? false);
+const roles = [
+  ["SuperAdmin", "超级管理员"],
+  ["AcademicAdmin", "校级教务管理员"],
+  ["CollegeAdmin", "学院教务管理员"],
+  ["Leader", "领导"],
+  ["Counselor", "辅导员"],
+  ["Teacher", "教师"],
+  ["Student", "学生"],
+  ["MaintenanceAdmin", "维修管理员"],
+  ["MaintenanceStaff", "维修人员"],
+];
+const kinds = [
+    [1, "选课"],
+    [2, "成绩"],
+    [3, "评教"],
+    [4, "考试"],
+    [5, "毕业审核"],
+    [6, "法定节假日"],
+    [99, "其他"],
+  ],
+  weekdays = ["一", "二", "三", "四", "五", "六", "日"];
+const form = reactive<any>({
+  academicTermId: "",
+  title: "",
+  kind: 99,
+  startsOn: "",
+  endsOn: "",
+  reminderDays: 7,
+  audienceRoles: [],
+  description: "",
+  isEnabled: true,
+});
+function key(date: Date) {
+  return `${date.getFullYear()}-${String(date.getMonth() + 1).padStart(2, "0")}-${String(date.getDate()).padStart(2, "0")}`;
+}
+function parse(value: string) {
+  const [y, m, d] = value.slice(0, 10).split("-").map(Number);
+  return new Date(y, m - 1, d);
+}
+function kindKey(kind: number | string) {
+  return (
+    (
+      {
+        "1": "course",
+        courseselection: "course",
+        "2": "grade",
+        grade: "grade",
+        "3": "evaluation",
+        evaluation: "evaluation",
+        "4": "exam",
+        exam: "exam",
+        "5": "graduation",
+        graduationaudit: "graduation",
+        "6": "holiday",
+        publicholiday: "holiday",
+        "99": "other",
+        other: "other",
+      } as Record<string, string>
+    )[String(kind).toLowerCase()] ?? "other"
+  );
+}
+function label(kind: number | string) {
+  return (
+    {
+      course: "选课",
+      grade: "成绩",
+      evaluation: "评教",
+      exam: "考试",
+      graduation: "毕业审核",
+      holiday: "法定节假日",
+      other: "其他",
+    } as Record<string, string>
+  )[kindKey(kind)];
+}
+function spans(item: CalendarEvent, day: string) {
+  return item.startsOn <= day && (item.endsOn ?? item.startsOn) >= day;
+}
+const today = key(new Date()),
+  monthTitle = computed(
+    () => `${cursor.value.getFullYear()} 年 ${cursor.value.getMonth() + 1} 月`,
+  );
+const days = computed(() => {
+  const first = new Date(
+      cursor.value.getFullYear(),
+      cursor.value.getMonth(),
+      1,
+    ),
+    start = new Date(first);
+  start.setDate(first.getDate() - ((first.getDay() + 6) % 7));
+  return Array.from({ length: 42 }, (_, i) => {
+    const date = new Date(start);
+    date.setDate(start.getDate() + i);
+    const day = key(date);
+    return {
+      date,
+      day,
+      inMonth: date.getMonth() === cursor.value.getMonth(),
+      events: events.value.filter((item) => spans(item, day)),
+    };
+  });
+});
+const monthEvents = computed(() =>
+  events.value.filter((item) => {
+    const date = parse(item.startsOn);
+    return (
+      date.getFullYear() === cursor.value.getFullYear() &&
+      date.getMonth() === cursor.value.getMonth()
+    );
+  }),
+);
+function shift(amount: number) {
+  cursor.value = new Date(
+    cursor.value.getFullYear(),
+    cursor.value.getMonth() + amount,
+    1,
+  );
+}
+function goToday() {
+  cursor.value = new Date(new Date().getFullYear(), new Date().getMonth(), 1);
+}
+function due(item: CalendarEvent) {
+  const gap = Math.ceil(
+    (parse(item.startsOn).getTime() - parse(today).getTime()) / 86400000,
+  );
+  return gap >= 0 && gap <= item.reminderDays;
+}
+function audience(item: CalendarEvent) {
+  return item.audienceRoles.length
+    ? item.audienceRoles
+        .map((role) => roles.find((x) => x[0] === role)?.[1] ?? role)
+        .join("、")
+    : "全部角色";
+}
+async function load() {
+  loading.value = true;
+  try {
+    const calendarRequest = http.get(
+      canManage.value ? "/academic-calendar/manage" : "/academic-calendar",
+      {
+        params: selectedTermId.value
+          ? { academicTermId: selectedTermId.value }
+          : undefined,
+      },
+    );
+    const examRequest = isStudent.value
+      ? http.get("/exams/my-schedule")
+      : Promise.resolve({ data: [] });
+    const [calendar, exams] = await Promise.all([calendarRequest, examRequest]);
+    const examEvents = (exams.data as any[]).map((exam) => ({
+      id: `exam-${exam.id}`,
+      academicTermId: selectedTermId.value,
+      title: `考试：${exam.courseName}`,
+      kind: "Exam",
+      startsOn: exam.examDate,
+      reminderDays: 7,
+      audienceRoles: ["Student"],
+      description: `${exam.startsAt?.slice(11, 16) ?? ""}—${exam.endsAt?.slice(11, 16) ?? ""} · ${[exam.buildingName, exam.classroomName].filter(Boolean).join(" ")}`,
+      isEnabled: true,
+      source: "ExamSchedule",
+    }));
+    events.value = [...calendar.data, ...examEvents];
+  } finally {
+    loading.value = false;
+  }
+}
+async function previewHolidays() {
+  holidayLoading.value = true;
+  try {
+    const { data } = await http.get(
+      `/academic-calendar/holidays/${holidayYear.value}`,
+    );
+    holidayDays.value = data.days;
+  } finally {
+    holidayLoading.value = false;
+  }
+}
+async function openHolidaySync() {
+  holidayDialogVisible.value = true;
+  await previewHolidays();
+}
+async function syncHolidays() {
+  if (!selectedTermId.value)
+    return ElMessage.warning("请先选择要写入节假日的学期。");
+  await ElMessageBox.confirm(
+    `将同步 ${holidayYear.value} 年节假日，并替换该学期已同步的同年度数据。`,
+    "同步法定节假日",
+    { type: "warning", confirmButtonText: "确认同步" },
+  );
+  holidayLoading.value = true;
+  try {
+    const { data } = await http.put("/academic-calendar/holidays/sync", {
+      academicTermId: selectedTermId.value,
+      year: holidayYear.value,
+    });
+    ElMessage.success(`已同步 ${data.syncedCount} 条节假日与调休数据。`);
+    holidayDialogVisible.value = false;
+    await load();
+  } finally {
+    holidayLoading.value = false;
+  }
+}
+function open(item?: CalendarEvent) {
+  editingId.value = item?.id;
+  Object.assign(
+    form,
+    item
+      ? { ...item, endsOn: item.endsOn ?? "" }
+      : {
+          academicTermId:
+            selectedTermId.value || defaultAcademicTermId(terms.value) || "",
+          title: "",
+          kind: 99,
+          startsOn: today,
+          endsOn: "",
+          reminderDays: 7,
+          audienceRoles: [],
+          description: "",
+          isEnabled: true,
+        },
+  );
+  dialogVisible.value = true;
+}
+async function save() {
+  if (!form.academicTermId || !form.title.trim() || !form.startsOn)
+    return ElMessage.warning("请填写学期、日程名称和开始日期。");
+  const body = {
+    ...form,
+    title: form.title.trim(),
+    endsOn: form.endsOn || null,
+    description: form.description?.trim() || null,
+  };
+  if (editingId.value)
+    await http.put(`/academic-calendar/${editingId.value}`, body);
+  else await http.post("/academic-calendar", body);
+  ElMessage.success("校历日程已保存；它只用于展示和提醒。");
+  dialogVisible.value = false;
+  await load();
+}
+async function remove(item: CalendarEvent) {
+  await ElMessageBox.confirm(`删除“${item.title}”吗？`, "删除日程", {
+    type: "warning",
+  });
+  await http.delete(`/academic-calendar/${item.id}`);
+  ElMessage.success("日程已删除");
+  await load();
+}
+onMounted(async () => {
+  terms.value = (await http.get("/base-data/terms")).data;
+  selectedTermId.value = defaultAcademicTermId(terms.value) ?? "";
+  await load();
+});
 </script>
-<template><section class="calendar-page"><header class="calendar-masthead"><div><p>ACADEMIC ALMANAC</p><h1>学期校历</h1><span>教学日程、法定节假日与临期提醒都落在同一张日历上；仅作提醒，不改变任何业务办理规则。</span></div><el-button v-if="canManage" type="primary" :icon="Plus" @click="open()">新增日程</el-button></header><div class="calendar-controls"><el-select v-model="selectedTermId" clearable placeholder="当前学期" @change="load"><el-option v-for="term in terms" :key="term.id" :label="academicTermLabel(term)" :value="term.id"/></el-select><div class="month-switcher"><el-button :icon="ArrowLeft" circle text @click="shift(-1)"/><strong>{{ monthTitle }}</strong><el-button text @click="goToday">今天</el-button><el-button :icon="ArrowRight" circle text @click="shift(1)"/></div><div class="calendar-legend"><span class="holiday">法定节假日</span><span>教学日程</span><span class="due">临期</span></div></div><el-alert v-if="!canManage" title="这里是校历提醒，不表示您有待办，也不会限制任何业务操作。" type="info" :closable="false" show-icon/><div v-loading="loading" class="calendar-layout"><div class="calendar-board"><div class="weekdays"><span v-for="weekday in weekdays" :key="weekday">周{{ weekday }}</span></div><div class="calendar-grid"><article v-for="day in days" :key="day.day" :class="['calendar-day',{muted:!day.inMonth,today:day.day===today,weekend:day.date.getDay()===0||day.date.getDay()===6}]"><div class="day-number">{{ day.date.getDate() }}</div><button v-for="item in day.events.slice(0,3)" :key="item.id" type="button" :class="['calendar-event',kindKey(item.kind),{due:due(item)}]" :title="item.title" @click="canManage&&open(item)"><span>{{ item.title.replace('（法定节假日）','') }}</span></button><span v-if="day.events.length>3" class="more-events">+{{ day.events.length-3 }} 项</span></article></div></div><aside class="month-agenda"><header><span>本月安排</span><strong>{{ monthEvents.length }} 项</strong></header><div v-if="monthEvents.length" class="agenda-items"><article v-for="item in monthEvents" :key="item.id" :class="['agenda-item',kindKey(item.kind)]"><time>{{ item.startsOn.slice(5).replace('-',' / ') }}<template v-if="item.endsOn&&item.endsOn!==item.startsOn">—{{ item.endsOn.slice(5).replace('-',' / ') }}</template></time><div><b>{{ item.title }}</b><p>{{ item.description||label(item.kind) }}</p><small v-if="canManage">面向：{{ audience(item) }}<template v-if="due(item)"> · 临期提醒</template></small></div><div v-if="canManage" class="agenda-actions"><el-button text @click="open(item)">编辑</el-button><el-button text type="danger" @click="remove(item)">删除</el-button></div></article></div><el-empty v-else :image-size="60" description="本月暂无日程"/></aside></div><el-dialog v-model="dialogVisible" :title="editingId?'编辑校历日程':'新增校历日程'" width="620px" destroy-on-close><el-form label-width="98px"><el-form-item label="所属学期" required><el-select v-model="form.academicTermId"><el-option v-for="term in terms" :key="term.id" :label="academicTermLabel(term)" :value="term.id"/></el-select></el-form-item><el-form-item label="日程名称" required><el-input v-model="form.title" maxlength="120"/></el-form-item><el-form-item label="日程类型"><el-select v-model="form.kind"><el-option v-for="kind in kinds" :key="kind[0]" :label="kind[1]" :value="kind[0]"/></el-select></el-form-item><el-form-item label="开始 / 结束" required><el-date-picker v-model="form.startsOn" type="date" value-format="YYYY-MM-DD"/><span class="range-separator">至</span><el-date-picker v-model="form.endsOn" type="date" value-format="YYYY-MM-DD" clearable/></el-form-item><el-form-item label="提前提醒"><el-input-number v-model="form.reminderDays" :min="0" :max="90"/> <span class="form-hint">天（只控制页面临期提示）</span></el-form-item><el-form-item label="面向角色"><el-checkbox-group v-model="form.audienceRoles"><el-checkbox v-for="role in roles" :key="role[0]" :label="role[0]">{{ role[1] }}</el-checkbox></el-checkbox-group><div class="form-hint">不选则向所有角色显示。</div></el-form-item><el-form-item label="说明"><el-input v-model="form.description" type="textarea" :rows="3" maxlength="1000" show-word-limit/></el-form-item><el-form-item label="启用"><el-switch v-model="form.isEnabled"/></el-form-item></el-form><template #footer><el-button @click="dialogVisible=false">取消</el-button><el-button type="primary" @click="save">保存</el-button></template></el-dialog></section></template>
+<template>
+  <section class="calendar-page">
+    <header class="calendar-masthead">
+      <div>
+        <p>ACADEMIC ALMANAC</p>
+        <h1>学期校历</h1>
+        <span
+          >教学日程、法定节假日与临期提醒都落在同一张日历上；仅作提醒，不改变任何业务办理规则。</span
+        >
+      </div>
+      <div v-if="canManage" class="calendar-masthead-actions">
+        <el-button @click="openHolidaySync">同步法定节假日</el-button>
+        <el-button type="primary" :icon="Plus" @click="open()"
+          >新增日程</el-button
+        >
+      </div>
+    </header>
+    <div class="calendar-controls">
+      <el-select
+        v-model="selectedTermId"
+        clearable
+        placeholder="当前学期"
+        @change="load"
+        ><el-option
+          v-for="term in terms"
+          :key="term.id"
+          :label="academicTermLabel(term)"
+          :value="term.id"
+      /></el-select>
+      <div class="month-switcher">
+        <el-button :icon="ArrowLeft" circle text @click="shift(-1)" /><strong>{{
+          monthTitle
+        }}</strong
+        ><el-button text @click="goToday">今天</el-button
+        ><el-button :icon="ArrowRight" circle text @click="shift(1)" />
+      </div>
+      <div class="calendar-legend">
+        <span class="holiday">法定节假日</span><span>教学日程</span
+        ><span class="due">临期</span>
+      </div>
+    </div>
+    <el-alert
+      v-if="!canManage"
+      title="这里是校历提醒，不表示您有待办，也不会限制任何业务操作。"
+      type="info"
+      :closable="false"
+      show-icon
+    />
+    <div v-loading="loading" class="calendar-layout">
+      <div class="calendar-board">
+        <div class="weekdays">
+          <span v-for="weekday in weekdays" :key="weekday"
+            >周{{ weekday }}</span
+          >
+        </div>
+        <div class="calendar-grid">
+          <article
+            v-for="day in days"
+            :key="day.day"
+            :class="[
+              'calendar-day',
+              {
+                muted: !day.inMonth,
+                today: day.day === today,
+                weekend: day.date.getDay() === 0 || day.date.getDay() === 6,
+              },
+            ]"
+          >
+            <div class="day-number">{{ day.date.getDate() }}</div>
+            <button
+              v-for="item in day.events.slice(0, 3)"
+              :key="item.id"
+              type="button"
+              :class="[
+                'calendar-event',
+                kindKey(item.kind),
+                { due: due(item) },
+              ]"
+              :title="item.title"
+              @click="canManage && open(item)"
+            >
+              <span>{{
+                item.title.replace("（法定节假日）", "")
+              }}</span></button
+            ><span v-if="day.events.length > 3" class="more-events"
+              >+{{ day.events.length - 3 }} 项</span
+            >
+          </article>
+        </div>
+      </div>
+      <aside class="month-agenda">
+        <header>
+          <span>本月安排</span><strong>{{ monthEvents.length }} 项</strong>
+        </header>
+        <div v-if="monthEvents.length" class="agenda-items">
+          <article
+            v-for="item in monthEvents"
+            :key="item.id"
+            :class="['agenda-item', kindKey(item.kind)]"
+          >
+            <time
+              >{{ item.startsOn.slice(5).replace("-", " / ")
+              }}<template v-if="item.endsOn && item.endsOn !== item.startsOn"
+                >—{{ item.endsOn.slice(5).replace("-", " / ") }}</template
+              ></time
+            >
+            <div>
+              <b>{{ item.title }}</b>
+              <p>{{ item.description || label(item.kind) }}</p>
+              <small v-if="canManage"
+                >面向：{{ audience(item)
+                }}<template v-if="due(item)"> · 临期提醒</template></small
+              >
+            </div>
+            <div v-if="canManage" class="agenda-actions">
+              <el-button text @click="open(item)">编辑</el-button
+              ><el-button text type="danger" @click="remove(item)"
+                >删除</el-button
+              >
+            </div>
+          </article>
+        </div>
+        <el-empty v-else :image-size="60" description="本月暂无日程" />
+      </aside>
+    </div>
+    <el-dialog
+      v-model="dialogVisible"
+      :title="editingId ? '编辑校历日程' : '新增校历日程'"
+      width="620px"
+      destroy-on-close
+      ><el-form label-width="98px"
+        ><el-form-item label="所属学期" required
+          ><el-select v-model="form.academicTermId"
+            ><el-option
+              v-for="term in terms"
+              :key="term.id"
+              :label="academicTermLabel(term)"
+              :value="term.id" /></el-select></el-form-item
+        ><el-form-item label="日程名称" required
+          ><el-input v-model="form.title" maxlength="120" /></el-form-item
+        ><el-form-item label="日程类型"
+          ><el-select v-model="form.kind"
+            ><el-option
+              v-for="kind in kinds"
+              :key="kind[0]"
+              :label="kind[1]"
+              :value="kind[0]" /></el-select></el-form-item
+        ><el-form-item label="开始 / 结束" required
+          ><el-date-picker
+            v-model="form.startsOn"
+            type="date"
+            value-format="YYYY-MM-DD" /><span class="range-separator">至</span
+          ><el-date-picker
+            v-model="form.endsOn"
+            type="date"
+            value-format="YYYY-MM-DD"
+            clearable /></el-form-item
+        ><el-form-item label="提前提醒"
+          ><el-input-number v-model="form.reminderDays" :min="0" :max="90" />
+          <span class="form-hint">天（只控制页面临期提示）</span></el-form-item
+        ><el-form-item label="面向角色"
+          ><el-checkbox-group v-model="form.audienceRoles"
+            ><el-checkbox
+              v-for="role in roles"
+              :key="role[0]"
+              :label="role[0]"
+              >{{ role[1] }}</el-checkbox
+            ></el-checkbox-group
+          >
+          <div class="form-hint">不选则向所有角色显示。</div></el-form-item
+        ><el-form-item label="说明"
+          ><el-input
+            v-model="form.description"
+            type="textarea"
+            :rows="3"
+            maxlength="1000"
+            show-word-limit /></el-form-item
+        ><el-form-item label="启用"
+          ><el-switch v-model="form.isEnabled" /></el-form-item></el-form
+      ><template #footer
+        ><el-button @click="dialogVisible = false">取消</el-button
+        ><el-button type="primary" @click="save">保存</el-button></template
+      ></el-dialog
+    ><el-dialog
+      v-model="holidayDialogVisible"
+      title="同步法定节假日"
+      width="620px"
+      destroy-on-close
+    >
+      <p class="holiday-sync-intro">
+        从节假日数据源读取指定年份，写入当前选择的学期。再次同步同一年会替换此前同步的数据。
+      </p>
+      <div class="holiday-sync-controls">
+        <el-input-number
+          v-model="holidayYear"
+          :min="2000"
+          :max="2100"
+          controls-position="right"
+        />
+        <el-button :loading="holidayLoading" @click="previewHolidays"
+          >预览数据</el-button
+        >
+      </div>
+      <div v-loading="holidayLoading" class="holiday-preview">
+        <el-empty
+          v-if="!holidayDays.length"
+          :image-size="50"
+          description="点击预览以加载节假日数据"
+        />
+        <div v-else class="holiday-preview-list">
+          <span
+            v-for="item in holidayDays"
+            :key="`${item.date}-${item.name}`"
+            :class="{ workday: !item.isOffDay }"
+          >
+            <b>{{ item.date }}</b
+            >{{ item.name }} · {{ item.isOffDay ? "休息" : "调休上班" }}
+          </span>
+        </div>
+      </div>
+      <template #footer>
+        <el-button @click="holidayDialogVisible = false">取消</el-button>
+        <el-button
+          type="primary"
+          :loading="holidayLoading"
+          :disabled="!holidayDays.length"
+          @click="syncHolidays"
+          >同步到当前学期</el-button
+        >
+      </template>
+    </el-dialog>
+  </section>
+</template>
 <style scoped>
-.calendar-page{max-width:1280px;margin:auto;padding:10px 0 38px}.calendar-masthead{display:flex;justify-content:space-between;align-items:end;gap:24px;margin:10px 0 22px}.calendar-masthead p{margin:0 0 5px;color:#2a7890;font:700 11px/1 ui-monospace,monospace;letter-spacing:.14em}.calendar-masthead h1{margin:0 0 9px;color:#183e57;font:700 32px/1.1 "STZhongsong","Songti SC",serif}.calendar-masthead span{color:#657b8d;font-size:14px}.calendar-controls{display:flex;align-items:center;gap:18px;margin:14px 0 16px;padding:11px 14px;border-top:2px solid #2b6f83;border-bottom:1px solid #d9e4e8;background:#f8fbfb}.calendar-controls>.el-select{width:238px}.month-switcher{display:flex;align-items:center;gap:8px}.month-switcher strong{min-width:112px;color:#214d63;text-align:center;font:700 18px "STZhongsong","Songti SC",serif}.calendar-legend{display:flex;gap:12px;margin-left:auto;color:#60798a;font-size:12px}.calendar-legend span{display:flex;align-items:center;gap:5px}.calendar-legend span:before{width:8px;height:8px;border-radius:50%;background:#4f91a0;content:""}.calendar-legend .holiday:before{background:#be4b4f}.calendar-legend .due:before{background:#df9c35}.calendar-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;border:1px solid #dce6e8;background:#fff}.weekdays,.calendar-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr))}.weekdays{border-bottom:1px solid #dce6e8;background:#edf4f5}.weekdays span{padding:9px;text-align:center;color:#456a78;font-size:12px;font-weight:700}.weekdays span:nth-last-child(-n+2){color:#a45a55}.calendar-day{min-height:120px;padding:8px;border-right:1px solid #e4ecee;border-bottom:1px solid #e4ecee;background:#fff}.calendar-day:nth-child(7n){border-right:0}.calendar-day.muted{background:#fafcfc}.calendar-day.weekend:not(.muted){background:#fffafa}.calendar-day.today .day-number{display:grid;place-items:center;width:23px;height:23px;border-radius:50%;background:#22687e;color:#fff}.day-number{margin:0 0 5px;color:#4a6270;font:700 13px/1 ui-monospace,monospace}.muted .day-number{color:#b1bdc3}.calendar-event{display:block;overflow:hidden;width:100%;margin:3px 0;padding:3px 5px;color:#315966;text-overflow:ellipsis;white-space:nowrap;border:0;border-left:2px solid #5d9aac;background:#edf7f8;cursor:pointer;text-align:left;font-size:11px}.calendar-event.holiday{color:#9c3439;border-left-color:#c24348;background:#fff0f0;font-weight:700}.calendar-event.grade{border-left-color:#9170b0;background:#f5f0fb}.calendar-event.exam{border-left-color:#bc783a;background:#fff5e8}.calendar-event.due{box-shadow:inset -3px 0 #df9c35}.more-events{color:#708996;font-size:11px}.month-agenda{border-left:1px solid #dce6e8;background:#f9fbfb}.month-agenda header{display:flex;justify-content:space-between;padding:16px;border-bottom:1px solid #dde8ea;color:#284e61}.month-agenda header span{font-size:13px}.month-agenda header strong{font:700 15px ui-monospace,monospace}.agenda-items{padding:5px 12px}.agenda-item{display:grid;grid-template-columns:68px 1fr;gap:9px;padding:12px 0;border-bottom:1px solid #e2eaec}.agenda-item time{color:#4f8796;font:700 11px/1.45 ui-monospace,monospace}.agenda-item b{display:block;color:#304f5f;font-size:13px}.agenda-item p{margin:4px 0;color:#718691;font-size:12px;line-height:1.5}.agenda-item small{color:#9a7740;font-size:11px}.agenda-item.holiday time{color:#b04a4d}.agenda-actions{grid-column:2;display:flex;gap:3px}.range-separator{padding:0 8px;color:#7b8794}.form-hint{color:#718096;font-size:13px}@media(max-width:980px){.calendar-layout{grid-template-columns:1fr}.month-agenda{border-top:1px solid #dce6e8;border-left:0}.agenda-items{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 15px}}@media(max-width:700px){.calendar-masthead,.calendar-controls{align-items:flex-start;flex-direction:column}.calendar-legend{margin-left:0}.calendar-day{min-height:88px;padding:5px}.calendar-event{padding:2px 3px;font-size:10px}.calendar-event span{display:none}.calendar-event:after{content:"●"}.calendar-event.holiday:after{content:"休"}.weekdays span{padding:7px 2px;font-size:11px}.agenda-items{grid-template-columns:1fr}.calendar-controls>.el-select{width:100%}}
+.calendar-page {
+  max-width: 1280px;
+  margin: auto;
+  padding: 10px 0 38px;
+}
+.calendar-masthead {
+  display: flex;
+  justify-content: space-between;
+  align-items: end;
+  gap: 24px;
+  margin: 10px 0 22px;
+}
+.calendar-masthead-actions {
+  display: flex;
+  flex-wrap: wrap;
+  justify-content: flex-end;
+  gap: 10px;
+}
+.calendar-masthead p {
+  margin: 0 0 5px;
+  color: #2a7890;
+  font:
+    700 11px/1 ui-monospace,
+    monospace;
+  letter-spacing: 0.14em;
+}
+.calendar-masthead h1 {
+  margin: 0 0 9px;
+  color: #183e57;
+  font:
+    700 32px/1.1 "STZhongsong",
+    "Songti SC",
+    serif;
+}
+.calendar-masthead span {
+  color: #657b8d;
+  font-size: 14px;
+}
+.calendar-controls {
+  display: flex;
+  align-items: center;
+  gap: 18px;
+  margin: 14px 0 16px;
+  padding: 11px 14px;
+  border-top: 2px solid #2b6f83;
+  border-bottom: 1px solid #d9e4e8;
+  background: #f8fbfb;
+}
+.calendar-controls > .el-select {
+  width: 238px;
+}
+.month-switcher {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+.month-switcher strong {
+  min-width: 112px;
+  color: #214d63;
+  text-align: center;
+  font:
+    700 18px "STZhongsong",
+    "Songti SC",
+    serif;
+}
+.calendar-legend {
+  display: flex;
+  gap: 12px;
+  margin-left: auto;
+  color: #60798a;
+  font-size: 12px;
+}
+.calendar-legend span {
+  display: flex;
+  align-items: center;
+  gap: 5px;
+}
+.calendar-legend span:before {
+  width: 8px;
+  height: 8px;
+  border-radius: 50%;
+  background: #4f91a0;
+  content: "";
+}
+.calendar-legend .holiday:before {
+  background: #be4b4f;
+}
+.calendar-legend .due:before {
+  background: #df9c35;
+}
+.calendar-layout {
+  display: grid;
+  grid-template-columns: minmax(0, 1fr) 300px;
+  border: 1px solid #dce6e8;
+  background: #fff;
+}
+.weekdays,
+.calendar-grid {
+  display: grid;
+  grid-template-columns: repeat(7, minmax(0, 1fr));
+}
+.weekdays {
+  border-bottom: 1px solid #dce6e8;
+  background: #edf4f5;
+}
+.weekdays span {
+  padding: 9px;
+  text-align: center;
+  color: #456a78;
+  font-size: 12px;
+  font-weight: 700;
+}
+.weekdays span:nth-last-child(-n + 2) {
+  color: #a45a55;
+}
+.calendar-day {
+  min-height: 120px;
+  padding: 8px;
+  border-right: 1px solid #e4ecee;
+  border-bottom: 1px solid #e4ecee;
+  background: #fff;
+}
+.calendar-day:nth-child(7n) {
+  border-right: 0;
+}
+.calendar-day.muted {
+  background: #fafcfc;
+}
+.calendar-day.weekend:not(.muted) {
+  background: #fffafa;
+}
+.calendar-day.today .day-number {
+  display: grid;
+  place-items: center;
+  width: 23px;
+  height: 23px;
+  border-radius: 50%;
+  background: #22687e;
+  color: #fff;
+}
+.day-number {
+  margin: 0 0 5px;
+  color: #4a6270;
+  font:
+    700 13px/1 ui-monospace,
+    monospace;
+}
+.muted .day-number {
+  color: #b1bdc3;
+}
+.calendar-event {
+  display: block;
+  overflow: hidden;
+  width: 100%;
+  margin: 3px 0;
+  padding: 3px 5px;
+  color: #315966;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  border: 0;
+  border-left: 2px solid #5d9aac;
+  background: #edf7f8;
+  cursor: pointer;
+  text-align: left;
+  font-size: 11px;
+}
+.calendar-event.holiday {
+  color: #9c3439;
+  border-left-color: #c24348;
+  background: #fff0f0;
+  font-weight: 700;
+}
+.calendar-event.grade {
+  border-left-color: #9170b0;
+  background: #f5f0fb;
+}
+.calendar-event.exam {
+  border-left-color: #bc783a;
+  background: #fff5e8;
+}
+.calendar-event.due {
+  box-shadow: inset -3px 0 #df9c35;
+}
+.more-events {
+  color: #708996;
+  font-size: 11px;
+}
+.month-agenda {
+  border-left: 1px solid #dce6e8;
+  background: #f9fbfb;
+}
+.month-agenda header {
+  display: flex;
+  justify-content: space-between;
+  padding: 16px;
+  border-bottom: 1px solid #dde8ea;
+  color: #284e61;
+}
+.month-agenda header span {
+  font-size: 13px;
+}
+.month-agenda header strong {
+  font:
+    700 15px ui-monospace,
+    monospace;
+}
+.agenda-items {
+  padding: 5px 12px;
+}
+.agenda-item {
+  display: grid;
+  grid-template-columns: 68px 1fr;
+  gap: 9px;
+  padding: 12px 0;
+  border-bottom: 1px solid #e2eaec;
+}
+.agenda-item time {
+  color: #4f8796;
+  font:
+    700 11px/1.45 ui-monospace,
+    monospace;
+}
+.agenda-item b {
+  display: block;
+  color: #304f5f;
+  font-size: 13px;
+}
+.agenda-item p {
+  margin: 4px 0;
+  color: #718691;
+  font-size: 12px;
+  line-height: 1.5;
+}
+.agenda-item small {
+  color: #9a7740;
+  font-size: 11px;
+}
+.agenda-item.holiday time {
+  color: #b04a4d;
+}
+.agenda-actions {
+  grid-column: 2;
+  display: flex;
+  gap: 3px;
+}
+.range-separator {
+  padding: 0 8px;
+  color: #7b8794;
+}
+.form-hint {
+  color: #718096;
+  font-size: 13px;
+}
+.holiday-sync-intro {
+  margin: 0 0 16px;
+  color: #60798a;
+  line-height: 1.65;
+}
+.holiday-sync-controls {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+}
+.holiday-preview {
+  min-height: 130px;
+  margin-top: 14px;
+  padding: 10px;
+  border: 1px solid #e1eaed;
+  background: #fafcfc;
+}
+.holiday-preview-list {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 8px;
+}
+.holiday-preview-list span {
+  padding: 5px 7px;
+  color: #9c3439;
+  border-left: 2px solid #c24348;
+  background: #fff1f1;
+  font-size: 12px;
+}
+.holiday-preview-list span.workday {
+  color: #835d20;
+  border-left-color: #c08831;
+  background: #fff7e9;
+}
+.holiday-preview-list b {
+  margin-right: 5px;
+  font:
+    700 11px ui-monospace,
+    monospace;
+}
+@media (max-width: 980px) {
+  .calendar-layout {
+    grid-template-columns: 1fr;
+  }
+  .month-agenda {
+    border-top: 1px solid #dce6e8;
+    border-left: 0;
+  }
+  .agenda-items {
+    display: grid;
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+    gap: 0 15px;
+  }
+}
+@media (max-width: 700px) {
+  .calendar-masthead,
+  .calendar-controls {
+    align-items: flex-start;
+    flex-direction: column;
+  }
+  .calendar-legend {
+    margin-left: 0;
+  }
+  .calendar-day {
+    min-height: 88px;
+    padding: 5px;
+  }
+  .calendar-event {
+    padding: 2px 3px;
+    font-size: 10px;
+  }
+  .calendar-event span {
+    display: none;
+  }
+  .calendar-event:after {
+    content: "●";
+  }
+  .calendar-event.holiday:after {
+    content: "休";
+  }
+  .weekdays span {
+    padding: 7px 2px;
+    font-size: 11px;
+  }
+  .agenda-items {
+    grid-template-columns: 1fr;
+  }
+  .calendar-controls > .el-select {
+    width: 100%;
+  }
+}
 </style>