修改移动端菜单栏侧边栏布局

src/app/(home)/header.tsx

@@ -164,10 +164,10 @@ export default function Header(props: HeaderProps) {
           </Wrap>
         </div>
 
-        {/* 下拉菜单 */}
+        {/* 桌面端下拉菜单 */}
         <div
           className={merge(
-            `flex-auto overflow-auto lg:flex-none lg:basis-72 shadow-lg box-content`,
+            `hidden lg:flex flex-auto overflow-auto lg:flex-none lg:basis-72 shadow-lg box-content`,
             `bg-[#fffe] backdrop-blur-sm`,
             `transition-[opacity,padding] transition-discrete duration-200 ease-in-out`,
             menu
@@ -180,7 +180,20 @@ export default function Header(props: HeaderProps) {
           {pages[page]}
         </div>
 
-        {/* 遮罩层 */}
+        {/* 移动端侧边栏菜单 */}
+        {menu && page === 3 && (
+          <div className="lg:hidden fixed inset-0 z-20 flex">
+            <div
+              className="flex-1 bg-black/40"
+              onPointerDown={enterMenuMask}
+            />
+            <div className="w-72 max-w-[80vw] bg-white shadow-xl overflow-y-auto">
+              {pages[3]}
+            </div>
+          </div>
+        )}
+
+        {/* 遮罩层（桌面端） */}
         <div className="flex-auto" onPointerEnter={enterMenuMask}/>
 
       </HeaderContext.Provider>