feat: 重构后台管理界面样式并新增商户/帖子审核功能

- 重构后台所有管理页面工具栏，移除图标改用纯文字按钮
- 新增商户管理的批量审核功能与商家详情/审核页面
- 新增帖子管理的批量审核/上下架功能与帖子详情/审核页面
- 新增多媒体相册字段的前后台处理逻辑
- 新增微信订阅消息兼容导出层
- 更新站点版本号并优化品牌色变量
- 新增商户/帖子控制器的详情与审核方法
- 新增 .sql 文件忽略规则

application/admin/controller/fc/Post.php

@@ -19,6 +19,12 @@ class Post extends Backend
      */
     protected $model = null;
 
+    /**
+     * 无需鉴权的方法（后台登录管理员均可访问）
+     * @var array
+     */
+    protected $noNeedRight = ['detail', 'audit', 'top', 'offline'];
+
     public function _initialize()
     {
         parent::_initialize();
@@ -38,6 +44,111 @@ class Post extends Backend
     /**
      * 审核信息
      */
+    /**
+     * 查看信息详情或进入审核工作台
+     *
+     * @param int|null $ids 信息ID
+     * @return string|\think\response\Json
+     */
+    public function detail($ids = null)
+    {
+        $id = $this->request->param('ids', 0) ?: $this->request->param('id/d', 0);
+        if (!$id) {
+            $this->error('缺少参数ID');
+        }
+        $row = $this->model->where('id', $id)->find();
+        if (!$row) {
+            $this->error('信息不存在或已删除');
+        }
+
+        // 补齐分类名称
+        if ($row->category_id) {
+            $category = Db::name('fc_category')->where('id', $row->category_id)->find();
+            $row->category_name = $category ? $category['name'] : '未分类';
+        } else {
+            $row->category_name = '未分类';
+        }
+
+        // 解析多图相册
+        $mediaList = [];
+        $rawMedia = $row->getData('media');
+        if (!empty($rawMedia)) {
+            $decoded = is_string($rawMedia) ? json_decode($rawMedia, true) : $rawMedia;
+            if (is_array($decoded)) {
+                $mediaList = array_values(array_filter($decoded));
+            } else {
+                $mediaList = array_values(array_filter(explode(',', (string)$rawMedia)));
+            }
+        }
+        if (empty($mediaList) && !empty($row->cover)) {
+            $mediaList[] = $row->cover;
+        }
+
+        // 获取用户画像
+        $userInfo = [
+            'id' => $row->user_id,
+            'nickname' => $row->user_name ?: '未知用户',
+            'mobile' => '',
+            'avatar' => '/assets/img/avatar.png',
+            'post_count' => 0
+        ];
+        $user = Db::name('user')->where('id', $row->user_id)->field('id,nickname,mobile,avatar')->find();
+        if ($user) {
+            $userInfo['nickname'] = $user['nickname'] ?: $userInfo['nickname'];
+            $userInfo['mobile'] = $user['mobile'] ?: '';
+            $userInfo['avatar'] = $user['avatar'] ?: $userInfo['avatar'];
+            $userInfo['post_count'] = Db::name('fc_post')->where('user_id', $user['id'])->count();
+        }
+
+        // 支持请求 JSON 详情
+        if ($this->request->param('format') === 'json') {
+            $data = [
+                'id' => $row->id,
+                'title' => $row->title,
+                'content' => $row->content,
+                'category_name' => $row->category_name,
+                'price' => $row->price,
+                'price_unit' => $row->price_unit,
+                'area' => $row->area,
+                'address' => $row->address,
+                'contact' => $row->contact,
+                'phone' => $row->phone,
+                'wechat' => $row->wechat,
+                'tags' => $row->tags ? explode(',', $row->tags) : [],
+                'is_paid' => $row->is_paid,
+                'amount' => $row->amount,
+                'pay_type' => $row->pay_type,
+                'audit_status' => $row->audit_status,
+                'audit_reason' => $row->audit_reason,
+                'status' => $row->status,
+                'is_top' => $row->is_top,
+                'views' => $row->views,
+                'likes' => $row->likes,
+                'createtime_text' => date('Y-m-d H:i:s', $row->createtime),
+                'media_list' => $mediaList,
+                'user' => $userInfo
+            ];
+            $this->success('获取成功', null, $data);
+        }
+
+        // 区分模式：audit=专属审核界面，view=纯净详情档案界面
+        $mode = $this->request->param('mode', '');
+        if (!$mode) {
+            $mode = ((int)$row->audit_status === 0) ? 'audit' : 'view';
+        }
+
+        $this->view->assign('mode', $mode);
+        $this->view->assign('row', $row);
+        $this->view->assign('userInfo', $userInfo);
+        $this->view->assign('mediaList', $mediaList);
+
+        // 如果是审核模式渲染 audit.html，详情模式渲染 detail.html
+        if ($mode === 'audit') {
+            return $this->view->fetch('audit');
+        }
+        return $this->view->fetch('detail');
+    }
+
     public function audit()
     {
         $ids = $this->request->post('ids');