系统风格以及部分页面样式变更

frontend/src/views/student/studentInfo/index.vue

@@ -12,12 +12,11 @@
             <el-form-item label="姓名">
               <el-input v-model="searchForm.xm" placeholder="请输入姓名" clearable />
             </el-form-item>
-            <el-form-item>
-              <template slot="label"><el-checkbox v-model="searchForm.xbEnabled">性别</el-checkbox></template>
-              <el-radio-group v-model="searchForm.xb" :disabled="!searchForm.xbEnabled">
-                <el-radio :label="'男'">男</el-radio>
-                <el-radio :label="'女'">女</el-radio>
-              </el-radio-group>
+            <el-form-item label="性别">
+              <el-select v-model="searchForm.xb" placeholder="请选择性别" clearable class="full-width">
+                <el-option label="男" value="男" />
+                <el-option label="女" value="女" />
+              </el-select>
             </el-form-item>
             <el-form-item label="证件号码">
               <el-input v-model="searchForm.zjhm" placeholder="请输入证件号码" clearable />
@@ -224,7 +223,7 @@ export default {
       // ==================== 查询条件 ====================
       // 仅保留后端 XYXX 实体支持的字段：/student-records/list 会按实体字段动态构建查询条件
       searchForm: {
-        xh: '', xm: '', xbEnabled: false, xb: '男', zjhm: '', zzmm: '', mz: '', jg: '', xw: '',
+        xh: '', xm: '', xb: '', zjhm: '', zzmm: '', mz: '', jg: '', xw: '',
         ybzb: '', sfzh: '', whcd: '', bkbyyx: '', bq: '', lxdh: '', txdz: ''
       },
 
@@ -312,7 +311,7 @@ export default {
         const v = this.searchForm[key]
         if (v !== '' && v !== null && v !== undefined) params[key] = v.trim()
       })
-      if (this.searchForm.xbEnabled) params.xb = this.searchForm.xb
+      if (this.searchForm.xb) params.xb = this.searchForm.xb
     },
 
     // ==================== 查询/分页 ====================