fix(navigation): 统一 redirectToPage 方法；修复内容区域宽度

- 各页面 redirectToPage 统一为直接跳转 page 参数
- 组件样式增加 main-content margin-left 避免内容被侧边栏遮挡
- 确保固定侧边栏与主内容布局正确

platform/frontend/logs.html

@@ -134,7 +134,7 @@
                     }
                 },
                 handleLogout() { localStorage.removeItem('authToken'); window.location.href = '/'; },
-                redirectToPage(page) { window.location.href = '/' + page; }
+                redirectToPage(page) { window.location.href = page; }
             },
             mounted() {
                 const token = localStorage.getItem('authToken');

platform/frontend/navigation-component.js

@@ -35,6 +35,18 @@
         .navigation-wrapper .mobile-nav { display: flex !important; }
       }
       @media (min-width: 769px) { .navigation-wrapper .mobile-nav { display: none !important; } }
+      /* 主内容区域避开固定侧边栏 */
+      body > #app > .navigation-wrapper + .main-content,
+      body > #app > .main-content {
+        margin-left: 180px !important;
+      }
+      @media (max-width: 768px) {
+        body > #app > .navigation-wrapper + .main-content,
+        body > #app > .main-content {
+          margin-left: 0 !important;
+          padding-bottom: 60px !important;
+        }
+      }
       /* 侧边栏固定定位时不调整主内容，让 main-content 自然位于文档流中，仅需确保 padding-top 避开 navbar */
       body > #app > .main-content { padding-top: 0; }
     `;

platform/frontend/topics.html

@@ -602,7 +602,7 @@ const TopicsApp = {
                     .catch(() => {});
             },
         handleLogout() { localStorage.removeItem('authToken'); window.location.href = '/'; },
-        redirectToPage(page) { window.location.href = page.startsWith('/') ? page : '/' + page; },
+        redirectToPage(page) { window.location.href = page; },
         getStatusLabel(status) {
             const statusMap = {
                 'pending': '待处理',