feat(about): 重构“关于我们”页面并丰富内容展示

- 采用左右分栏布局，左侧新增图标导航
- 全新设计顶部 Banner，提升视觉效果
- 添加学会简介数据亮点和主要职能展示
- 新增组织机构图、主要领导及专家委员会成员展示
- 引入学会章程章节分明条目展示
- 丰富咨询服务内容，新增服务项目卡片和联系方式
- “加入我们”板块支持企业与个人会员申请详情说明
- 支持资料下载并优化排版与交互体验
- 增强响应式支持，保证移动端体验一致
- 页面样式大幅调整，提升整体美观与可读性

.workbuddy/expert-history.json

@@ -11,7 +11,18 @@
         "usedAt": 1776933111908,
         "industryId": "02-Engineering"
       }
+    ],
+    "f49030fc1f92485a83c29c921cac6a72": [
+      {
+        "expertId": "SeniorDeveloper",
+        "name": "吴八哥",
+        "profession": "高级开发工程师",
+        "avatarUrl": "https://acc-1258344699.cos.accelerate.myqcloud.com/workbuddy/experts/avatars/02-Engineering/SeniorDeveloper/SeniorDeveloper.png",
+        "promptUrl": "https://acc-1258344699.cos.accelerate.myqcloud.com/workbuddy/experts/experts/02-Engineering/SeniorDeveloper/SeniorDeveloper_zh.md",
+        "usedAt": 1777135926044,
+        "industryId": "02-Engineering"
+      }
     ]
   },
-  "lastUpdated": 1776935969275
+  "lastUpdated": 1777136548111
 }