feat: Refactor comment section to correctly handle API response structure

fix: Update Gravatar URL size and improve avatar rendering logic

style: Adjust footer margin for better layout consistency

refactor: Remove old navbar component and integrate new layout structure

feat: Enhance user profile page with user header component

chore: Remove unused user profile component

fix: Update posts per page configuration for better pagination

feat: Extend device context to support system theme mode

refactor: Remove unused device hook

fix: Improve storage state hook for better error handling

i18n: Add new translations for blog home page

feat: Implement pagination component for better navigation

feat: Create theme toggle component for improved user experience

feat: Introduce responsive navbar or side layout with theme toggle

feat: Develop custom select component for better UI consistency

feat: Create user header component to display user information

chore: Add query key constants for better code maintainability

web/src/app/globals.css

@@ -131,4 +131,24 @@ html, body {
 
 .sonner-toast {
   background-color: aqua;
+}
+
+::-webkit-scrollbar {
+  width: 4px;           /* 垂直滚动条宽度 */
+  height: 4px;          /* 水平滚动条高度 */
+  background: transparent; /* 滚动条轨道背景 */
+  position: absolute;   /* 实际不会影响内容布局 */
+}
+
+::-webkit-scrollbar-thumb {
+  background: rgba(0,0,0,0.15); /* 滚动条滑块颜色 */
+  border-radius: 4px;
+}
+
+::-webkit-scrollbar-thumb:hover {
+  background: rgba(0,0,0,0.3);
+}
+
+::-webkit-scrollbar-corner {
+  background: transparent;
 }