refactor(manager/accounts): 删两个 section-title + 删邮箱字段

template:
- 删 '修改个人信息' / '修改密码' 两个 section-title
- 删邮箱 form-item
- 个人信息只剩:姓名 + 手机号

script:
- form 删 email 字段
- rules 删 email 校验
- loadProfile 不再读 email
- onSave 提交 data 删 email
- onCancel 不再重置 email

style:
- 删 .section-title CSS (不再用)

ry-vue3/src/views/manager/Accounts.vue

@@ -3,12 +3,9 @@
     <div class="breadcrumb">首页 / 账号管理</div>
 
     <el-form :model="form" label-width="120px" style="max-width:600px" :rules="rules" ref="formRef">
-      <div class="section-title">修改个人信息</div>
       <el-form-item label="姓名" prop="nickName"><el-input v-model="form.nickName" placeholder="请输入姓名" /></el-form-item>
       <el-form-item label="手机号" prop="phonenumber"><el-input v-model="form.phonenumber" placeholder="请输入手机号" /></el-form-item>
-      <el-form-item label="邮箱" prop="email"><el-input v-model="form.email" placeholder="请输入邮箱" /></el-form-item>
 
-      <div class="section-title">修改密码</div>
       <el-form-item label="原密码" prop="oldPassword"><el-input v-model="form.oldPassword" type="password" show-password placeholder="请输入原密码" /></el-form-item>
       <el-form-item label="新密码" prop="newPassword"><el-input v-model="form.newPassword" type="password" show-password placeholder="请输入新密码" /></el-form-item>
       <el-form-item label="确认密码" prop="confirmPassword"><el-input v-model="form.confirmPassword" type="password" show-password placeholder="请再次输入新密码" /></el-form-item>
@@ -23,7 +20,7 @@ import { reactive, ref, onMounted } from 'vue'
 import { ElMessage } from 'element-plus'
 import request from '@/utils/request'
 
-const form = reactive({ nickName: '', phonenumber: '', email: '', oldPassword: '', newPassword: '', confirmPassword: '' })
+const form = reactive({ nickName: '', phonenumber: '', oldPassword: '', newPassword: '', confirmPassword: '' })
 const profile = ref({})
 const saving = ref(false)
 const formRef = ref(null)
@@ -31,7 +28,6 @@ const formRef = ref(null)
 const rules = {
   nickName: [{ required: true, message: '请输入姓名', trigger: 'blur' }],
   phonenumber: [{ pattern: /^1[3-9]\d{9}$/, message: '手机号格式不正确', trigger: 'blur' }],
-  email: [{ type: 'email', message: '邮箱格式不正确', trigger: 'blur' }],
   oldPassword: [{ required: false }],
   newPassword: [{ min: 6, max: 20, message: '密码长度 6-20 位', trigger: 'blur' }],
   confirmPassword: [{
@@ -48,7 +44,6 @@ async function loadProfile() {
     profile.value = data || {}
     form.nickName = profile.value.nickName || ''
     form.phonenumber = profile.value.phonenumber || ''
-    form.email = profile.value.email || ''
   } catch { ElMessage.error('获取个人信息失败') }
 }
 
@@ -59,7 +54,7 @@ async function onSave() {
   await formRef.value.validate()
   saving.value = true
   try {
-    await request({ url: '/system/user/profile', method: 'put', data: { nickName: form.nickName, phonenumber: form.phonenumber, email: form.email, sex: profile.value.sex } })
+    await request({ url: '/system/user/profile', method: 'put', data: { nickName: form.nickName, phonenumber: form.phonenumber, sex: profile.value.sex } })
     if (form.newPassword) {
       await request({ url: '/system/user/profile/updatePwd', method: 'put', data: { oldPassword: form.oldPassword, newPassword: form.newPassword } })
     }
@@ -73,7 +68,6 @@ async function onSave() {
 function onCancel() {
   form.nickName = profile.value.nickName || ''
   form.phonenumber = profile.value.phonenumber || ''
-  form.email = profile.value.email || ''
   form.oldPassword = ''; form.newPassword = ''; form.confirmPassword = ''
 }
 
@@ -85,10 +79,4 @@ onMounted(loadProfile)
 .manager-accounts { padding: 16px; }
 .breadcrumb { font-size: 13px; color: #8c8c8c; margin-bottom: 12px; }
 .filter-tip { color: #909399; font-size: 12px; margin-bottom: 12px; }
-.section-title {
-  font-weight: 600;
-  margin: 16px 0 12px;
-  padding-left: 8px;
-  border-left: 3px solid var(--brand-primary);
-}
 </style>