用户类登录统计-登录数据页面中的3个表中，新增的人数是正数时是绿色，负数是红色，0是黑色。

src/views/PlatformData/UserLoginStats.vue

@@ -106,7 +106,11 @@
         <el-table :data="loginTableData1" style="width: 100%" :header-cell-style="headerCellStyle">
           <el-table-column prop="channel" label="来源渠道" align="center" />
           <el-table-column prop="total" :label="statsTitle + '登录总数'" align="center" />
-          <el-table-column prop="dailyNew" label="较昨日新增" align="center" />
+          <el-table-column prop="dailyNew" label="较昨日新增" align="center">
+            <template #default="scope">
+               <span :class="getValueColorClass(scope.row.dailyNew)">{{ scope.row.dailyNew }}</span>
+            </template>
+          </el-table-column>
           <el-table-column prop="percent" label="占比" align="center" />
         </el-table>
       </div>
@@ -117,7 +121,11 @@
         <el-table :data="loginTableData2" style="width: 100%" :header-cell-style="headerCellStyle">
           <el-table-column prop="channel" label="来源渠道" align="center" />
           <el-table-column prop="total" :label="statsTitle + '登录会员数'" align="center" />
-          <el-table-column prop="dailyNew" label="较昨日新增" align="center" />
+          <el-table-column prop="dailyNew" label="较昨日新增" align="center">
+             <template #default="scope">
+               <span :class="getValueColorClass(scope.row.dailyNew)">{{ scope.row.dailyNew }}</span>
+            </template>
+          </el-table-column>
           <el-table-column prop="rate" label="会员登录率" align="center" />
         </el-table>
       </div>
@@ -128,7 +136,11 @@
         <el-table :data="loginTableData3" style="width: 100%" :header-cell-style="headerCellStyle">
           <el-table-column prop="channel" label="来源渠道" align="center" />
           <el-table-column prop="total" :label="statsTitle + '登录非网数'" align="center" />
-          <el-table-column prop="dailyNew" label="较昨日新增" align="center" />
+          <el-table-column prop="dailyNew" label="较昨日新增" align="center">
+             <template #default="scope">
+               <span :class="getValueColorClass(scope.row.dailyNew)">{{ scope.row.dailyNew }}</span>
+            </template>
+          </el-table-column>
           <el-table-column prop="rate" label="非网登录率" align="center" />
         </el-table>
       </div>
@@ -332,6 +344,18 @@ const getGrowthText = (growthStr) => {
   return `${prefix}${arrow} ${value}`;
 };
 
+// 获取表格数值颜色样式
+const getValueColorClass = (val) => {
+  if (!val || val === '-') return '';
+  const strVal = String(val);
+  if (strVal.startsWith('+')) return 'text-green';
+  if (strVal.startsWith('-')) return 'text-red';
+  if (strVal === '0') return 'text-black';
+  // 如果是数字且大于0（不带+号的情况）
+  if (!isNaN(parseFloat(strVal)) && parseFloat(strVal) > 0) return 'text-green';
+  return '';
+};
+
 // 格式化日期
 const formatDate = (date) => {
     if (!date) return '';
@@ -1199,6 +1223,10 @@ onMounted(() => {
 .card-tag.up { color: #52c41a; }
 .card-tag.down { color: #ff4d4f; }
 
+.text-red { color: #ff4d4f; font-weight: bold; }
+.text-green { color: #52c41a; font-weight: bold; }
+.text-black { color: #333; font-weight: bold; }
+
 /* Sections */
 .chart-section, .detail-section {
   background: #fff;