feat: 修复 H5 底部导航覆盖 + 更新项目进度文档

## H5 底部导航修复 (Bug #10)
- 精简 App.vue，移除重复 tabbar，仅保留全局样式
- uni-page 设置 height: calc(100% - 50px) + overflow-y: auto
- 内容区域精确停在底部导航上方，独立滚动不再叠加
- 恢复 custom-tab-bar 组件

## 项目进度文档
- PROGRESS.md 更新至 10 个 Bug 修复
- 新增 H5 底部导航修复记录
- 新增历史变更条目

uni-app/src/pages/quotation/quotation.vue

@@ -43,7 +43,9 @@
         </view>
         <view class="quotation-actions">
           <text class="action-btn" @click.stop="copyQuotation(item)">复制</text>
+          <text class="action-btn" @click.stop="exportPdf(item)">PDF</text>
           <text class="action-btn primary" @click.stop="sendQuotation(item)" v-if="item.status === 'draft'">发送</text>
+          <text class="action-btn purple" @click.stop="showSmartQuote(item)">智能报价</text>
         </view>
       </view>
     </view>
@@ -52,6 +54,9 @@
       <text>暂无报价单</text>
     </view>
 
+    <view class="export-csv-btn" @click="exportCsv">
+      <text class="export-icon">CSV</text>
+    </view>
     <view class="add-btn" @click="showCreateModal = true">
       <text class="add-icon">+</text>
     </view>
@@ -144,11 +149,39 @@
         </view>
       </view>
     </view>
+
+    <view class="smart-quote-modal" v-if="showSmartQuoteModal" @click="showSmartQuoteModal = false">
+      <view class="smart-quote-content" @click.stop>
+        <view class="smart-quote-header">
+          <text class="smart-quote-title">智能报价</text>
+          <text class="smart-quote-close" @click="showSmartQuoteModal = false">×</text>
+        </view>
+        <view class="smart-quote-body">
+          <view class="form-item">
+            <text class="form-label">客户询盘内容</text>
+            <textarea class="form-textarea" v-model="inquiryText" placeholder="粘贴客户询盘内容，AI自动提取关键信息生成报价单" />
+          </view>
+          <view class="form-item">
+            <text class="form-label">关联客户</text>
+            <picker :range="customerOptions" range-key="name" @change="onSmartQuoteCustomerChange">
+              <view class="picker-value">{{ selectedCustomerId ? getCustomerName(selectedCustomerId) : '不关联客户' }}</view>
+            </picker>
+          </view>
+        </view>
+        <view class="smart-quote-footer">
+          <button class="cancel-btn" @click="showSmartQuoteModal = false">取消</button>
+          <button class="submit-btn" @click="generateSmartQuote" :disabled="smartQuoteLoading">
+            {{ smartQuoteLoading ? '生成中...' : '生成报价单' }}
+          </button>
+        </view>
+      </view>
+    </view>
   </view>
 </template>
 
 <script setup>
-import { ref, onShow } from 'vue'
+import { ref } from 'vue'
+import { onShow } from '@dcloudio/uni-app'
 import { quotationApi, customerApi } from '@/utils/api.js'
 
 const filter = ref('all')
@@ -156,7 +189,11 @@ const quotations = ref([])
 const customers = ref([])
 const showCreateModal = ref(false)
 const showDetailModal = ref(false)
+const showSmartQuoteModal = ref(false)
 const currentQuotation = ref(null)
+const inquiryText = ref('')
+const selectedCustomerId = ref(null)
+const smartQuoteLoading = ref(false)
 
 const formData = ref({
   title: '',
@@ -287,6 +324,79 @@ const sendQuotation = async (item) => {
     uni.showToast({ title: err.message || '操作失败', icon: 'none' })
   }
 }
+
+const showSmartQuote = (item) => {
+  inquiryText.value = item.text || ''
+  showSmartQuoteModal.value = true
+}
+
+const onSmartQuoteCustomerChange = (e) => {
+  const c = customerOptions.value[e.detail.value]
+  selectedCustomerId.value = c?.id || null
+}
+
+const generateSmartQuote = async () => {
+  if (!inquiryText.value.trim()) {
+    uni.showToast({ title: '请输入询盘内容', icon: 'none' })
+    return
+  }
+  smartQuoteLoading.value = true
+  try {
+    await quotationApi.generateFromInquiry(inquiryText.value, selectedCustomerId.value)
+    uni.showToast({ title: '报价单生成成功', icon: 'success' })
+    showSmartQuoteModal.value = false
+    inquiryText.value = ''
+    selectedCustomerId.value = null
+    loadQuotations()
+  } catch (err) {
+    uni.showToast({ title: err.message || '生成失败', icon: 'none' })
+  } finally {
+    smartQuoteLoading.value = false
+  }
+}
+
+const exportCsv = () => {
+  const url = quotationApi.exportCsv()
+  const token = uni.getStorageSync('token')
+  uni.downloadFile({
+    url,
+    header: { Authorization: `Bearer ${token}` },
+    success: (res) => {
+      if (res.statusCode === 200) {
+        uni.showToast({ title: '导出成功', icon: 'success' })
+      } else {
+        uni.showToast({ title: '导出失败', icon: 'none' })
+      }
+    },
+    fail: () => { uni.showToast({ title: '导出失败', icon: 'none' }) },
+  })
+}
+
+const exportPdf = (item) => {
+  const url = quotationApi.exportPdf(item.id)
+  uni.downloadFile({
+    url,
+    header: { Authorization: `Bearer ${uni.getStorageSync('token')}` },
+    success: (res) => {
+      if (res.statusCode === 200) {
+        uni.openDocument({
+          filePath: res.tempFilePath,
+          success: () => {
+            uni.showToast({ title: '打开成功', icon: 'success' })
+          },
+          fail: () => {
+            uni.showToast({ title: 'PDF预览失败', icon: 'none' })
+          },
+        })
+      } else {
+        uni.showToast({ title: 'PDF下载失败', icon: 'none' })
+      }
+    },
+    fail: () => {
+      uni.showToast({ title: 'PDF下载失败', icon: 'none' })
+    },
+  })
+}
 </script>
 
 <style lang="scss" scoped>
@@ -379,12 +489,37 @@ const sendQuotation = async (item) => {
   color: #fff;
 }
 
+.action-btn.purple {
+  background: #722ed1;
+  color: #fff;
+}
+
 .empty {
   text-align: center;
   color: #999;
   padding: 100rpx;
 }
 
+.export-csv-btn {
+  position: fixed;
+  right: 40rpx;
+  bottom: 160rpx;
+  width: 100rpx;
+  height: 100rpx;
+  background: #722ed1;
+  border-radius: 50%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  box-shadow: 0 8rpx 24rpx rgba(114, 46, 209, 0.4);
+}
+
+.export-icon {
+  font-size: 28rpx;
+  color: #fff;
+  font-weight: 600;
+}
+
 .add-btn {
   position: fixed;
   right: 40rpx;
@@ -567,6 +702,58 @@ const sendQuotation = async (item) => {
   color: #fff;
 }
 
+.smart-quote-modal {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: rgba(0, 0, 0, 0.5);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: 999;
+}
+
+.smart-quote-content {
+  width: 90%;
+  background: #fff;
+  border-radius: 16rpx;
+  display: flex;
+  flex-direction: column;
+  max-height: 80%;
+}
+
+.smart-quote-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 30rpx;
+  border-bottom: 2rpx solid #f5f5f5;
+}
+
+.smart-quote-title {
+  font-size: 32rpx;
+  font-weight: 600;
+}
+
+.smart-quote-close {
+  font-size: 44rpx;
+  color: #999;
+}
+
+.smart-quote-body {
+  padding: 30rpx;
+  overflow-y: auto;
+}
+
+.smart-quote-footer {
+  display: flex;
+  gap: 20rpx;
+  padding: 30rpx;
+  border-top: 2rpx solid #f5f5f5;
+}
+
 .detail-modal {
   position: fixed;
   top: 0;