feat(admin): 从文章详情页面改为文章管理页面

- 修改页面配置，设置新的导航栏标题和样式
- 重新设计页面布局，增加搜索栏、文章列表和操作按钮
- 添加文章搜索、分页加载和删除功能
- 优化文章列表项的样式和交互
- 新增礼品卡相关API和组件
- 更新优惠券组件，增加到期提醒和筛选功能

src/dealer/index.scss

@@ -1,77 +0,0 @@
-// 分销中心页面样式
-.dealer-page {
-  min-height: 100vh;
-  background: linear-gradient(180deg, #60A5FA 0%, #3B82F6 50%, #1D4ED8 100%);
-}
-
-// 导航栏样式
-.navigation-bar {
-  position: relative;
-  z-index: 100;
-}
-
-// 用户卡片样式
-.user-card {
-  background: white;
-  border-radius: 16px;
-  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
-  margin: 16px;
-  padding: 16px;
-}
-
-// 收益卡片样式
-.earnings-card {
-  background: linear-gradient(135deg, #8B5CF6 0%, #A855F7 50%, #C084FC 100%);
-  border-radius: 16px;
-  margin: 16px;
-  padding: 16px;
-  position: relative;
-  overflow: hidden;
-}
-
-// 功能菜单样式
-.function-menu {
-  background: white;
-  border-radius: 16px;
-  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
-  margin: 16px;
-  padding: 16px;
-
-  .menu-grid {
-    display: grid;
-    grid-template-columns: repeat(2, 1fr);
-    gap: 16px;
-
-    .menu-item {
-      display: flex;
-      flex-direction: column;
-      align-items: center;
-      justify-content: center;
-      padding: 24px 16px;
-      border-radius: 12px;
-      cursor: pointer;
-      transition: all 0.2s ease;
-
-      &:active {
-        transform: scale(0.98);
-      }
-
-      .menu-icon {
-        width: 48px;
-        height: 48px;
-        border-radius: 50%;
-        background: white;
-        display: flex;
-        align-items: center;
-        justify-content: center;
-        font-size: 24px;
-        margin-bottom: 8px;
-      }
-
-      .menu-text {
-        font-size: 14px;
-        font-weight: 500;
-      }
-    }
-  }
-}