diff --git a/frontend/src/views/Analytics.vue b/frontend/src/views/Analytics.vue
index 86b74dc..54d8689 100644
--- a/frontend/src/views/Analytics.vue
+++ b/frontend/src/views/Analytics.vue
@@ -1873,36 +1873,52 @@ onMounted(() => {
     padding: 24px;
   }
   
-  // 表格样式 - 与用户管理页面严格一致
+  // 表格样式 - 与用户管理页面严格一致（使用 !important 覆盖全局样式）
   :deep(.ant-table) {
-    background: transparent;
+    background: transparent !important;
+
+    .ant-table-container {
+      border: none !important;
+    }
 
     .ant-table-thead > tr > th {
-      background: $bg-tertiary;
-      color: $text-secondary;
-      font-weight: $font-weight-semibold;
-      border-bottom: 1px solid $border-color;
-      padding: 12px 16px;
+      background: $bg-tertiary !important;
+      color: $text-secondary !important;
+      font-weight: $font-weight-semibold !important;
+      border-bottom: 1px solid $border-color !important;
+      padding: 12px 16px !important;
+      border-top: none !important;
+      border-left: none !important;
+      border-right: none !important;
 
       &::before {
-        display: none;
+        display: none !important;
       }
     }
 
     .ant-table-tbody > tr {
-      background: transparent;
+      background: transparent !important;
       
       &:hover > td {
-        background: rgba($brand-primary, 0.03);
+        background: rgba($brand-primary, 0.03) !important;
       }
 
       > td {
-        background: transparent;
-        border-bottom: 1px solid $border-color;
-        padding: 16px;
-        color: $text-primary;
+        background: transparent !important;
+        border-bottom: 1px solid $border-color !important;
+        padding: 16px !important;
+        color: $text-primary !important;
+        border-left: none !important;
+        border-right: none !important;
+        border-top: none !important;
       }
     }
+
+    // 移除所有其他边框
+    .ant-table-cell {
+      border-left: none !important;
+      border-right: none !important;
+    }
   }
 }