优化邮件解析正则表达式，增强交易信息提取能力；调整界面样式，增加删除功能

Web/src/components/TransactionDetail.vue

@@ -13,7 +13,7 @@
       </div>
       
       <div class="popup-scroll-content">
-      <van-form @submit="onSubmit">
+      <van-form @submit="onSubmit" style="margin-top: 12px;">
         <van-cell-group inset>
           <van-cell title="卡号" :value="transaction.card" />
           <van-cell title="交易时间" :value="formatDate(transaction.occurredAt)" />

Web/src/views/EmailRecord.vue

@@ -69,7 +69,7 @@
           <h3>{{ currentEmail.Subject || currentEmail.subject || '(无主题)' }}</h3>
         </div>
         <div class="popup-scroll-content">
-        <van-cell-group inset>
+        <van-cell-group inset style="margin-top: 12px;">
           <van-cell title="发件人" :value="currentEmail.From || currentEmail.from || '未知'" />
           <van-cell title="接收时间" :value="formatDate(currentEmail.ReceivedDate || currentEmail.receivedDate)" />
           <van-cell title="记录时间" :value="formatDate(currentEmail.CreateTime || currentEmail.createTime)" />
@@ -127,7 +127,7 @@
         :transactions="transactionList"
         :loading="false"
         :finished="true"
-        :show-delete="false"
+        :show-delete="true"
         @click="handleTransactionClick"
       />
     </PopupContainer>

Web/src/views/StatisticsView.vue

@@ -298,7 +298,7 @@
         :transactions="categoryBills"
         :loading="billListLoading"
         :finished="billListFinished"
-        :show-delete="false"
+        :show-delete="true"
         @load="loadCategoryBills"
         @click="viewBillDetail"
       />