diff --git a/index.html b/index.html
deleted file mode 100644
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--- a/index.html
+++ /dev/null
@@ -1,713 +0,0 @@
-<!DOCTYPE html>
-<html lang="zh-CN">
-<head>
-<meta charset="UTF-8">
-<meta name="viewport" content="width=device-width, initial-scale=1.0">
-<title>食堂菜单管理系统</title>
-<style>
-* { margin: 0; padding: 0; box-sizing: border-box; }
-:root {
-  --primary: #E8530E;
-  --primary-light: #FF7A3D;
-  --primary-dark: #C44200;
-  --bg: #FFF8F3;
-  --card: #FFFFFF;
-  --text: #2D2D2D;
-  --text-secondary: #666;
-  --border: #F0E0D6;
-  --shadow: 0 2px 12px rgba(232,83,14,0.08);
-  --radius: 12px;
-}
-body {
-  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
-  background: var(--bg);
-  color: var(--text);
-  min-height: 100vh;
-}
-.header {
-  background: linear-gradient(135deg, var(--primary), var(--primary-light));
-  color: white;
-  padding: 24px 32px;
-  box-shadow: 0 4px 20px rgba(232,83,14,0.2);
-}
-.header h1 { font-size: 28px; font-weight: 700; letter-spacing: 1px; }
-.header p { font-size: 14px; opacity: 0.9; margin-top: 4px; }
-.container { max-width: 1200px; margin: 0 auto; padding: 24px 16px; }
-.controls {
-  display: flex; gap: 12px; align-items: center; flex-wrap: wrap;
-  margin-bottom: 24px; padding: 16px 20px;
-  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
-}
-.controls label { font-weight: 600; font-size: 14px; color: var(--text-secondary); }
-.controls select, .controls input[type="month"] {
-  padding: 8px 14px; border: 2px solid var(--border); border-radius: 8px;
-  font-size: 14px; background: white; cursor: pointer; outline: none;
-  transition: border-color 0.2s;
-}
-.controls select:focus, .controls input[type="month"]:focus { border-color: var(--primary); }
-.btn {
-  padding: 8px 20px; border: none; border-radius: 8px; font-size: 14px;
-  font-weight: 600; cursor: pointer; transition: all 0.2s; white-space: nowrap;
-}
-.btn-primary { background: var(--primary); color: white; }
-.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }
-.btn-outline { background: white; color: var(--primary); border: 2px solid var(--primary); }
-.btn-outline:hover { background: var(--primary); color: white; }
-.btn-green { background: #2E7D32; color: white; }
-.btn-green:hover { background: #1B5E20; transform: translateY(-1px); }
-.tabs {
-  display: flex; gap: 0; margin-bottom: 24px;
-  background: var(--card); border-radius: var(--radius); overflow: hidden;
-  box-shadow: var(--shadow);
-}
-.tab {
-  flex: 1; padding: 14px 20px; text-align: center; font-weight: 600;
-  font-size: 15px; cursor: pointer; transition: all 0.3s;
-  border-bottom: 3px solid transparent; color: var(--text-secondary);
-}
-.tab.active { color: var(--primary); border-bottom-color: var(--primary); background: #FFF3ED; }
-.tab:hover:not(.active) { background: #FFF8F3; }
-/* Calendar View */
-.calendar-grid {
-  display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px;
-  background: var(--card); border-radius: var(--radius); padding: 16px;
-  box-shadow: var(--shadow);
-}
-.cal-header { text-align: center; font-weight: 700; font-size: 14px; color: var(--primary); padding: 8px 0; }
-.cal-header.weekend { color: #E53935; }
-.cal-day {
-  min-height: 90px; border-radius: 8px; padding: 8px; font-size: 12px;
-  border: 2px solid transparent; cursor: pointer; transition: all 0.2s; position: relative;
-}
-.cal-day:hover { border-color: var(--primary-light); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.08); }
-.cal-day.empty { background: #FAFAFA; cursor: default; }
-.cal-day.empty:hover { border-color: transparent; transform: none; box-shadow: none; }
-.cal-day .day-num { font-weight: 700; font-size: 16px; margin-bottom: 6px; color: var(--text); }
-.cal-day.weekend .day-num { color: #E53935; }
-.cal-day.today { border-color: var(--primary); background: #FFF3ED; }
-.cal-day .meal-tag {
-  display: inline-block; padding: 1px 6px; border-radius: 4px; font-size: 11px;
-  margin: 1px 2px; font-weight: 600;
-}
-.tag-breakfast { background: #FFF3E0; color: #E65100; }
-.tag-lunch { background: #E8F5E9; color: #2E7D32; }
-.tag-dinner { background: #E3F2FD; color: #1565C0; }
-/* Week View */
-.week-view { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
-.week-nav {
-  display: flex; align-items: center; justify-content: space-between;
-  padding: 16px 24px; background: linear-gradient(135deg, #FFF3ED, #FFF8F3);
-  border-bottom: 1px solid var(--border);
-}
-.week-nav h3 { font-size: 18px; color: var(--primary); }
-.week-table { width: 100%; border-collapse: collapse; }
-.week-table th {
-  padding: 12px 8px; font-size: 13px; font-weight: 700; color: var(--primary);
-  background: #FFF8F3; border-bottom: 2px solid var(--border); text-align: center;
-}
-.week-table td {
-  padding: 10px 8px; font-size: 13px; text-align: center;
-  border-bottom: 1px solid #F5F0EC; vertical-align: top;
-}
-.week-table tr:hover td { background: #FFFAF7; }
-.week-table .day-col { font-weight: 700; color: var(--primary-dark); white-space: nowrap; width: 70px; }
-.week-table .day-col.weekend { color: #E53935; }
-.dish-name {
-  display: inline-block; padding: 2px 8px; margin: 2px 1px; border-radius: 6px;
-  font-size: 12px; white-space: nowrap;
-}
-.dish-darou { background: #FFEBEE; color: #C62828; }
-.dish-xiaorou { background: #FFF3E0; color: #E65100; }
-.dish-su { background: #E8F5E9; color: #2E7D32; }
-.dish-tang { background: #E3F2FD; color: #1565C0; }
-/* Modal */
-.modal-overlay {
-  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
-  background: rgba(0,0,0,0.5); z-index: 1000; display: none;
-  align-items: center; justify-content: center;
-}
-.modal-overlay.show { display: flex; }
-.modal {
-  background: white; border-radius: 16px; width: 90%; max-width: 700px;
-  max-height: 85vh; overflow-y: auto; box-shadow: 0 20px 60px rgba(0,0,0,0.2);
-  animation: modalIn 0.3s ease;
-}
-@keyframes modalIn { from { transform: translateY(30px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
-.modal-header {
-  padding: 20px 24px; border-bottom: 1px solid var(--border);
-  display: flex; align-items: center; justify-content: space-between;
-  position: sticky; top: 0; background: white; z-index: 1; border-radius: 16px 16px 0 0;
-}
-.modal-header h2 { font-size: 20px; color: var(--primary); }
-.modal-close {
-  width: 36px; height: 36px; border-radius: 50%; border: none; background: #F5F0EC;
-  font-size: 18px; cursor: pointer; display: flex; align-items: center; justify-content: center;
-  transition: all 0.2s;
-}
-.modal-close:hover { background: var(--primary); color: white; }
-.modal-body { padding: 24px; }
-.meal-section { margin-bottom: 20px; }
-.meal-section h4 {
-  font-size: 16px; margin-bottom: 10px; padding-bottom: 6px;
-  border-bottom: 2px solid var(--border);
-}
-.meal-section h4.breakfast { color: #E65100; border-color: #FFE0B2; }
-.meal-section h4.lunch { color: #2E7D32; border-color: #C8E6C9; }
-.meal-section h4.dinner { color: #1565C0; border-color: #BBDEFB; }
-.dish-list { display: flex; flex-wrap: wrap; gap: 8px; }
-.dish-item {
-  padding: 6px 14px; border-radius: 8px; font-size: 14px; font-weight: 500;
-}
-/* Export area */
-.export-section {
-  background: var(--card); border-radius: var(--radius); padding: 24px;
-  box-shadow: var(--shadow); display: none;
-}
-.export-section.show { display: block; }
-.export-content {
-  background: #FAFAFA; border: 1px solid var(--border); border-radius: 8px;
-  padding: 16px; font-family: 'Courier New', monospace; font-size: 13px;
-  max-height: 500px; overflow-y: auto; white-space: pre-wrap; line-height: 1.6;
-}
-.footer {
-  text-align: center; padding: 24px; color: var(--text-secondary); font-size: 13px;
-}
-.legend {
-  display: flex; gap: 16px; flex-wrap: wrap; padding: 12px 20px;
-  background: var(--card); border-radius: var(--radius); margin-bottom: 16px;
-  box-shadow: var(--shadow); font-size: 13px;
-}
-.legend-item { display: flex; align-items: center; gap: 6px; }
-.legend-dot {
-  width: 14px; height: 14px; border-radius: 4px;
-}
-@media print {
-  .header, .controls, .tabs, .legend, .footer, .week-nav { display: none !important; }
-  .week-table { font-size: 11px; }
-  .week-table td, .week-table th { padding: 4px; }
-}
-@media (max-width: 768px) {
-  .container { padding: 12px 8px; }
-  .header { padding: 16px; }
-  .header h1 { font-size: 22px; }
-  .controls { flex-direction: column; align-items: stretch; }
-  .cal-day { min-height: 70px; }
-  .cal-day .meal-tag { font-size: 10px; }
-  .week-table { font-size: 11px; }
-  .week-table td { padding: 6px 4px; }
-}
-</style>
-</head>
-<body>
-
-<div class="header">
-  <h1>🍱 食堂菜单管理系统</h1>
-  <p>智能生成每周不重样菜单，支持日历查看与导出</p>
-</div>
-
-<div class="container">
-  <div class="controls">
-    <label>选择月份：</label>
-    <input type="month" id="monthPicker" />
-    <button class="btn btn-primary" onclick="generateMenu()">🎲 生成菜单</button>
-    <button class="btn btn-outline" onclick="switchView('calendar')">📅 日历视图</button>
-    <button class="btn btn-outline" onclick="switchView('week')">📋 周视图</button>
-    <button class="btn btn-green" onclick="showExport()">📥 导出菜单</button>
-  </div>
-
-  <div class="legend">
-    <div class="legend-item"><div class="legend-dot" style="background:#FFEBEE;border:1px solid #C62828"></div> 大荤</div>
-    <div class="legend-item"><div class="legend-dot" style="background:#FFF3E0;border:1px solid #E65100"></div> 小荤</div>
-    <div class="legend-item"><div class="legend-dot" style="background:#E8F5E9;border:1px solid #2E7D32"></div> 素菜</div>
-    <div class="legend-item"><div class="legend-dot" style="background:#E3F2FD;border:1px solid #1565C0"></div> 汤</div>
-  </div>
-
-  <div id="calendarView"></div>
-  <div id="weekView" style="display:none"></div>
-
-  <div class="export-section" id="exportSection">
-    <h3 style="margin-bottom:16px;color:var(--primary)">📥 导出菜单</h3>
-    <div style="display:flex;gap:12px;margin-bottom:16px;flex-wrap:wrap">
-      <button class="btn btn-primary" onclick="exportText()">导出文本</button>
-      <button class="btn btn-outline" onclick="exportCSV()">导出CSV</button>
-      <button class="btn btn-green" onclick="printMenu()">🖨️ 打印</button>
-    </div>
-    <div class="export-content" id="exportContent"></div>
-  </div>
-</div>
-
-<div class="modal-overlay" id="dayModal">
-  <div class="modal">
-    <div class="modal-header">
-      <h2 id="modalTitle">菜单详情</h2>
-      <button class="modal-close" onclick="closeModal()">✕</button>
-    </div>
-    <div class="modal-body" id="modalBody"></div>
-  </div>
-</div>
-
-<div class="footer">食堂菜单管理系统 © 2026 | 数据本地生成，无需服务器</div>
-
-<script>
-// ==================== 菜品库 ====================
-const DISHES = {
-  darou: [
-    '红烧排骨', '糖醋里脊', '清蒸鲈鱼', '宫保鸡丁', '东坡肉',
-    '剁椒鱼头', '红烧牛肉', '烤鸭', '水煮肉片', '梅菜扣肉',
-    '辣子鸡', '回锅肉', '红烧狮子头', '酸菜鱼', '油焖大虾',
-    '蒜蓉粉丝蒸扇贝', '黑椒牛柳', '啤酒鸭', '粉蒸肉', '红烧猪蹄'
-  ],
-  xiaorou: [
-    '番茄炒蛋', '青椒肉丝', '木须肉', '鱼香肉丝', '肉末豆腐',
-    '蒜苔炒肉', '芹菜炒肉丝', '土豆烧鸡', '蘑菇炒肉', '豆角炒肉',
-    '西兰花炒肉片', '黄瓜炒鸡丁', '洋葱炒牛肉', '木耳炒肉片', '韭菜炒鸡蛋',
-    '莴笋炒肉丝', '胡萝卜炒肉丝', '花菜炒肉片', '干煸四季豆炒肉', '香菇滑鸡',
-    '彩椒炒鸡柳', '冬瓜烧肉丸', '茄子烧肉', '莲藕炒肉片', '白菜炒肉片',
-    '荷兰豆炒腊肉', '苦瓜炒肉片', '丝瓜炒鸡蛋', '平菇炒肉片', '包菜炒肉片'
-  ],
-  su: [
-    '清炒时蔬', '蒜蓉西兰花', '醋溜白菜', '干煸四季豆', '地三鲜',
-    '麻婆豆腐', '红烧茄子', '蒜蓉菠菜', '清炒豆芽', '凉拌黄瓜',
-    '虎皮青椒', '素炒丝瓜', '蒜蓉生菜', '炒土豆丝', '素炒冬瓜',
-    '蒜蓉秋葵', '素炒西葫芦', '清炒芦笋', '白灼菜心', '素炒藕片',
-    '蒜蓉娃娃菜', '素炒茭白', '清炒山药', '素炒木耳', '蒜蓉空心菜',
-    '素炒莴笋丝', '清炒油麦菜', '素炒豆苗', '蒜蓉苋菜', '素炒豆角'
-  ],
-  tang: [
-    '番茄蛋花汤', '紫菜蛋汤', '冬瓜排骨汤', '玉米排骨汤', '海带豆腐汤',
-    '莲藕排骨汤', '萝卜牛腩汤', '菌菇鸡汤', '酸辣汤', '南瓜浓汤'
-  ]
-};
-
-const MEAL_NAMES = { breakfast: '早餐', lunch: '午餐', dinner: '晚餐' };
-const DAY_NAMES = ['周一', '周二', '周三', '周四', '周五', '周六', '周日'];
-const CATEGORIES = [
-  { key: 'darou', name: '大荤', count: 2, css: 'dish-darou' },
-  { key: 'xiaorou', name: '小荤', count: 3, css: 'dish-xiaorou' },
-  { key: 'su', name: '素菜', count: 3, css: 'dish-su' },
-  { key: 'tang', name: '汤', count: 1, css: 'dish-tang' }
-];
-
-// ==================== 随机工具 ====================
-function seededRandom(seed) {
-  let s = seed;
-  return function() {
-    s = (s * 16807 + 0) % 2147483647;
-    return (s - 1) / 2147483646;
-  };
-}
-
-function shuffleWithSeed(arr, seed) {
-  const rng = seededRandom(seed);
-  const result = [...arr];
-  for (let i = result.length - 1; i > 0; i--) {
-    const j = Math.floor(rng() * (i + 1));
-    [result[i], result[j]] = [result[j], result[i]];
-  }
-  return result;
-}
-
-// ==================== 菜单生成算法 ====================
-// 菜单存储: menuData[year][month][day] = { breakfast: {...}, lunch: {...}, dinner: {...} }
-let menuData = {};
-let currentYear, currentMonth;
-
-function init() {
-  const now = new Date();
-  currentYear = now.getFullYear();
-  currentMonth = now.getMonth() + 1;
-  document.getElementById('monthPicker').value = `${currentYear}-${String(currentMonth).padStart(2, '0')}`;
-  generateMenu();
-}
-
-function generateMenu() {
-  const val = document.getElementById('monthPicker').value;
-  if (val) {
-    const [y, m] = val.split('-').map(Number);
-    currentYear = y;
-    currentMonth = m;
-  }
-  menuData = {};
-  // 生成当月和下月
-  for (let offset = 0; offset <= 1; offset++) {
-    let y = currentYear, m = currentMonth + offset;
-    if (m > 12) { m = 1; y++; }
-    generateMonth(y, m);
-  }
-  renderCurrentView();
-}
-
-function generateMonth(year, month) {
-  const daysInMonth = new Date(year, month, 0).getDate();
-  // 找到本月所有周，按周生成
-  const firstDay = new Date(year, month - 1, 1);
-  const lastDay = new Date(year, month - 1, daysInMonth);
-
-  // 计算本月覆盖的所有周一
-  let startMonday = new Date(firstDay);
-  const dow = startMonday.getDay();
-  const diff = dow === 0 ? -6 : 1 - dow;
-  startMonday.setDate(startMonday.getDate() + diff);
-
-  const weeks = [];
-  let current = new Date(startMonday);
-  while (current <= lastDay || current.getMonth() === month - 1) {
-    const weekStart = new Date(current);
-    const weekDays = [];
-    for (let i = 0; i < 7; i++) {
-      const d = new Date(weekStart);
-      d.setDate(d.getDate() + i);
-      if (d.getMonth() === month - 1) {
-        weekDays.push(d.getDate());
-      }
-    }
-    if (weekDays.length > 0) {
-      weeks.push({ start: weekStart, days: weekDays });
-    }
-    current.setDate(current.getDate() + 7);
-    if (current.getMonth() > month - 1 + (year !== current.getFullYear() ? 12 : 0) && weekDays.length === 0) break;
-    if (current.getFullYear() > year && current.getMonth() >= month) break;
-  }
-
-  // 计算全局周编号（用于邻周去重）
-  const epoch = new Date(2026, 0, 5); // 2026-01-05 is a Monday
-  weeks.forEach((week, wi) => {
-    const weekNum = Math.floor((week.start - epoch) / (7 * 86400000));
-    generateWeek(year, month, week.days, weekNum);
-  });
-}
-
-function generateWeek(year, month, days, weekNum) {
-  if (!menuData[year]) menuData[year] = {};
-  if (!menuData[year][month]) menuData[year][month] = {};
-
-  const meals = ['breakfast', 'lunch', 'dinner'];
-
-  meals.forEach(meal => {
-    CATEGORIES.forEach(cat => {
-      const pool = DISHES[cat.key];
-      const needed = cat.count * 7; // 一周7天每顿所需
-      // 使用周编号和餐次作为种子，确保可复现且邻周不同
-      const baseSeed = weekNum * 1000 + meals.indexOf(meal) * 100 + ['darou','xiaorou','su','tang'].indexOf(cat.key);
-
-      // 用不同偏移生成多个排列来覆盖需求
-      // 对于每个餐次，我们需要7天的菜品，每天cat.count个
-      const shuffled1 = shuffleWithSeed(pool, baseSeed);
-      const shuffled2 = shuffleWithSeed(pool, baseSeed + 500);
-
-      // 合并两个排列以获得足够的菜品
-      let allDishes = [...shuffled1];
-      if (needed > pool.length) {
-        // 需要复用，但用不同顺序
-        allDishes = [...shuffled1, ...shuffled2];
-      }
-
-      // 从排列中依次取菜，确保一周内不重复（在同一个meal+category内）
-      let assigned = [];
-      for (let d = 0; d < 7; d++) {
-        const dayDishes = [];
-        for (let c = 0; c < cat.count; c++) {
-          const idx = d * cat.count + c;
-          dayDishes.push(allDishes[idx % allDishes.length]);
-        }
-        assigned.push(dayDishes);
-      }
-
-      // 只为本月内的日期赋值
-      days.forEach((day, di) => {
-        // di 是在 weekDays 中的索引，但 weekDays 可能不满7天
-        // 需要找到该日在周中的实际位置
-        const dayOfWeek = new Date(year, month - 1, day).getDay();
-        const weekIdx = dayOfWeek === 0 ? 6 : dayOfWeek - 1; // 0=周一...6=周日
-
-        if (!menuData[year][month][day]) {
-          menuData[year][month][day] = { breakfast: {}, lunch: {}, dinner: {} };
-        }
-        menuData[year][month][day][meal][cat.key] = assigned[weekIdx];
-      });
-    });
-  });
-}
-
-// ==================== 渲染 ====================
-let currentView = 'calendar';
-let currentWeekOffset = 0;
-
-function switchView(view) {
-  currentView = view;
-  document.getElementById('calendarView').style.display = view === 'calendar' ? '' : 'none';
-  document.getElementById('weekView').style.display = view === 'week' ? '' : 'none';
-  document.getElementById('exportSection').classList.remove('show');
-  renderCurrentView();
-}
-
-function renderCurrentView() {
-  if (currentView === 'calendar') renderCalendar();
-  else renderWeek();
-}
-
-function renderCalendar() {
-  const container = document.getElementById('calendarView');
-  const y = currentYear, m = currentMonth;
-  const daysInMonth = new Date(y, m, 0).getDate();
-  const firstDayOfWeek = new Date(y, m - 1, 1).getDay();
-  const startOffset = firstDayOfWeek === 0 ? 6 : firstDayOfWeek - 1;
-  const today = new Date();
-  const isCurrentMonth = today.getFullYear() === y && today.getMonth() + 1 === m;
-
-  let html = '<div class="calendar-grid">';
-  // 星期头
-  DAY_NAMES.forEach((d, i) => {
-    html += `<div class="cal-header${i >= 5 ? ' weekend' : ''}">${d}</div>`;
-  });
-  // 空白填充
-  for (let i = 0; i < startOffset; i++) {
-    html += '<div class="cal-day empty"></div>';
-  }
-  // 日期
-  for (let d = 1; d <= daysInMonth; d++) {
-    const dayOfWeek = new Date(y, m - 1, d).getDay();
-    const isWeekend = dayOfWeek === 0 || dayOfWeek === 6;
-    const isToday = isCurrentMonth && today.getDate() === d;
-    const data = getMenuDay(y, m, d);
-
-    let tags = '';
-    if (data) {
-      tags = `<div><span class="meal-tag tag-breakfast">早${(data.breakfast.darou||[]).length + (data.breakfast.xiaorou||[]).length + (data.breakfast.su||[]).length + (data.breakfast.tang||[]).length}道</span></div>`;
-      tags += `<div><span class="meal-tag tag-lunch">午${(data.lunch.darou||[]).length + (data.lunch.xiaorou||[]).length + (data.lunch.su||[]).length + (data.lunch.tang||[]).length}道</span></div>`;
-      tags += `<div><span class="meal-tag tag-dinner">晚${(data.dinner.darou||[]).length + (data.dinner.xiaorou||[]).length + (data.dinner.su||[]).length + (data.dinner.tang||[]).length}道</span></div>`;
-    }
-
-    html += `<div class="cal-day${isWeekend ? ' weekend' : ''}${isToday ? ' today' : ''}" onclick="showDayDetail(${y},${m},${d})">
-      <div class="day-num">${d}</div>${tags}
-    </div>`;
-  }
-  html += '</div>';
-  container.innerHTML = html;
-}
-
-function renderWeek() {
-  const container = document.getElementById('weekView');
-  const y = currentYear, m = currentMonth;
-  const daysInMonth = new Date(y, m, 0).getDate();
-  const firstDay = new Date(y, m - 1, 1);
-  const lastDay = new Date(y, m - 1, daysInMonth);
-
-  // 计算周列表
-  const weeks = [];
-  let startMonday = new Date(firstDay);
-  const dow = startMonday.getDay();
-  const diff = dow === 0 ? -6 : 1 - dow;
-  startMonday.setDate(startMonday.getDate() + diff);
-
-  let cur = new Date(startMonday);
-  while (cur <= lastDay || (cur.getMonth() === m - 1)) {
-    const ws = new Date(cur);
-    const weekDates = [];
-    for (let i = 0; i < 7; i++) {
-      const d = new Date(ws);
-      d.setDate(d.getDate() + i);
-      if (d.getMonth() === m - 1 && d.getFullYear() === y) {
-        weekDates.push(d.getDate());
-      } else {
-        weekDates.push(null);
-      }
-    }
-    if (weekDates.some(d => d !== null)) {
-      weeks.push({ start: ws, dates: weekDates });
-    }
-    cur.setDate(cur.getDate() + 7);
-    if (cur.getFullYear() > y || (cur.getFullYear() === y && cur.getMonth() > m - 1)) break;
-  }
-
-  if (currentWeekOffset < 0) currentWeekOffset = 0;
-  if (currentWeekOffset >= weeks.length) currentWeekOffset = weeks.length - 1;
-
-  const week = weeks[currentWeekOffset];
-  if (!week) { container.innerHTML = '<p style="text-align:center;padding:40px">暂无数据</p>'; return; }
-
-  const startDate = week.start;
-  const endDate = new Date(startDate);
-  endDate.setDate(endDate.getDate() + 6);
-
-  function fmt(d) { return `${d.getMonth()+1}/${d.getDate()}`; }
-
-  let html = `<div class="week-view">
-    <div class="week-nav">
-      <button class="btn btn-outline" onclick="currentWeekOffset--;renderWeek()">◀ 上一周</button>
-      <h3>${fmt(startDate)} ~ ${fmt(endDate)}（第${currentWeekOffset+1}周）</h3>
-      <button class="btn btn-outline" onclick="currentWeekOffset++;renderWeek()">下一周 ▶</button>
-    </div>
-    <div style="overflow-x:auto">
-    <table class="week-table">
-      <tr><th>餐次/类别</th>`;
-
-  for (let i = 0; i < 7; i++) {
-    const isWe = i >= 5;
-    html += `<th class="${isWe ? 'weekend' : ''}">${DAY_NAMES[i]}<br/>`;
-    if (week.dates[i]) {
-      html += `<span style="font-weight:400;font-size:11px">${m}/${week.dates[i]}</span>`;
-    }
-    html += '</th>';
-  }
-  html += '</tr>';
-
-  ['breakfast', 'lunch', 'dinner'].forEach(meal => {
-    CATEGORIES.forEach(cat => {
-      const catLabel = cat.name;
-      html += `<tr><td style="font-weight:600;white-space:nowrap;color:var(--text-secondary)">${MEAL_NAMES[meal]}·${catLabel}</td>`;
-      for (let di = 0; di < 7; di++) {
-        const day = week.dates[di];
-        if (day) {
-          const data = getMenuDay(y, m, day);
-          if (data && data[meal] && data[meal][cat.key]) {
-            const dishes = data[meal][cat.key].map(d =>
-              `<span class="dish-name ${cat.css}">${d}</span>`
-            ).join(' ');
-            html += `<td>${dishes}</td>`;
-          } else {
-            html += '<td>-</td>';
-          }
-        } else {
-          html += '<td style="color:#ccc">-</td>';
-        }
-      }
-      html += '</tr>';
-    });
-  });
-
-  html += '</table></div></div>';
-  container.innerHTML = html;
-}
-
-function getMenuDay(y, m, d) {
-  if (menuData[y] && menuData[y][m] && menuData[y][m][d]) return menuData[y][m][d];
-  return null;
-}
-
-// ==================== 日详情弹窗 ====================
-function showDayDetail(y, m, d) {
-  const data = getMenuDay(y, m, d);
-  if (!data) return;
-
-  document.getElementById('modalTitle').textContent = `${y}年${m}月${d}日 菜单`;
-  let html = '';
-
-  ['breakfast', 'lunch', 'dinner'].forEach(meal => {
-    const mealClass = meal === 'breakfast' ? 'breakfast' : meal === 'lunch' ? 'lunch' : 'dinner';
-    html += `<div class="meal-section"><h4 class="${mealClass}">🍳 ${MEAL_NAMES[meal]}</h4><div class="dish-list">`;
-    CATEGORIES.forEach(cat => {
-      if (data[meal][cat.key]) {
-        data[meal][cat.key].forEach(dish => {
-          html += `<span class="dish-item ${cat.css}">${dish}</span>`;
-        });
-      }
-    });
-    html += '</div></div>';
-  });
-
-  document.getElementById('modalBody').innerHTML = html;
-  document.getElementById('dayModal').classList.add('show');
-}
-
-function closeModal() {
-  document.getElementById('dayModal').classList.remove('show');
-}
-
-document.getElementById('dayModal').addEventListener('click', function(e) {
-  if (e.target === this) closeModal();
-});
-
-// ==================== 导出 ====================
-function showExport() {
-  document.getElementById('exportSection').classList.add('show');
-  exportText();
-}
-
-function exportText() {
-  const y = currentYear, m = currentMonth;
-  const nextY = m === 12 ? y + 1 : y;
-  const nextM = m === 12 ? 1 : m + 1;
-
-  let text = `═══════════════════════════════════════\n`;
-  text += `       食堂菜单 (${y}年${m}月 ~ ${nextY}年${nextM}月)\n`;
-  text += `═══════════════════════════════════════\n\n`;
-
-  [[y, m], [nextY, nextM]].forEach(([yy, mm]) => {
-    const days = new Date(yy, mm, 0).getDate();
-    text += `──── ${yy}年${mm}月 ────\n\n`;
-    for (let d = 1; d <= days; d++) {
-      const data = getMenuDay(yy, mm, d);
-      const dow = new Date(yy, mm - 1, d).getDay();
-      const dayName = DAY_NAMES[dow === 0 ? 6 : dow - 1];
-      text += `【${mm}月${d}日 ${dayName}】\n`;
-      if (data) {
-        ['breakfast', 'lunch', 'dinner'].forEach(meal => {
-          const items = [];
-          CATEGORIES.forEach(cat => {
-            if (data[meal][cat.key]) {
-              items.push(`${cat.name}: ${data[meal][cat.key].join('、')}`);
-            }
-          });
-          text += `  ${MEAL_NAMES[meal]} | ${items.join(' | ')}\n`;
-        });
-      }
-      text += '\n';
-    }
-  });
-
-  document.getElementById('exportContent').textContent = text;
-}
-
-function exportCSV() {
-  const y = currentYear, m = currentMonth;
-  const nextY = m === 12 ? y + 1 : y;
-  const nextM = m === 12 ? 1 : m + 1;
-
-  let csv = '\uFEFF日期,星期,餐次,大荤1,大荤2,小荤1,小荤2,小荤3,素菜1,素菜2,素菜3,汤\n';
-
-  [[y, m], [nextY, nextM]].forEach(([yy, mm]) => {
-    const days = new Date(yy, mm, 0).getDate();
-    for (let d = 1; d <= days; d++) {
-      const data = getMenuDay(yy, mm, d);
-      const dow = new Date(yy, mm - 1, d).getDay();
-      const dayName = DAY_NAMES[dow === 0 ? 6 : dow - 1];
-      const dateStr = `${yy}-${String(mm).padStart(2,'0')}-${String(d).padStart(2,'0')}`;
-      if (data) {
-        ['breakfast', 'lunch', 'dinner'].forEach(meal => {
-          const row = [dateStr, dayName, MEAL_NAMES[meal]];
-          CATEGORIES.forEach(cat => {
-            const dishes = data[meal][cat.key] || [];
-            for (let i = 0; i < cat.count; i++) {
-              row.push(dishes[i] || '');
-            }
-          });
-          csv += row.join(',') + '\n';
-        });
-      }
-    }
-  });
-
-  const blob = new Blob([csv], { type: 'text/csv;charset=utf-8;' });
-  const link = document.createElement('a');
-  link.href = URL.createObjectURL(blob);
-  link.download = `食堂菜单_${y}年${m}月.csv`;
-  link.click();
-  document.getElementById('exportContent').textContent = 'CSV文件已下载！';
-}
-
-function printMenu() {
-  // 切换到周视图并打印
-  const current = currentView;
-  currentWeekOffset = 0;
-  switchView('week');
-  setTimeout(() => {
-    window.print();
-  }, 300);
-}
-
-// ==================== 初始化 ====================
-init();
-</script>
-</body>
-</html>
