refactor: unify system list layout with filter/table sections

src/views/system/config/index.vue

@@ -2,7 +2,7 @@
 <template>
   <div class="app-container">
     <!-- 搜索区域 -->
-    <div class="search-container">
+    <div class="filter-section">
       <el-form ref="queryFormRef" :model="queryParams" :inline="true">
         <el-form-item label="关键字" prop="keywords">
           <el-input
@@ -20,9 +20,9 @@
       </el-form>
     </div>
 
-    <el-card shadow="hover" class="data-table">
-      <div class="data-table__toolbar">
-        <div class="data-table__toolbar--actions">
+    <el-card shadow="hover" class="table-section">
+      <div class="table-section__toolbar">
+        <div class="table-section__toolbar--actions">
           <el-button
             v-hasPerm="['sys:config:add']"
             type="success"
@@ -47,7 +47,7 @@
         v-loading="loading"
         :data="pageData"
         highlight-current-row
-        class="data-table__content"
+        class="table-section__content"
         border
         @selection-change="handleSelectionChange"
       >