功能：今日风云榜独立页 /leaderboard/today，导航新增「今日榜」按钮

app/Http/Controllers/LeaderboardController.php

@@ -100,10 +100,31 @@ class LeaderboardController extends Controller
 
         return view('leaderboard.index', compact(
             'topLevels', 'topExp', 'topWealth', 'topCharm',
-            'todayExp', 'todayGold', 'todayCharm',
         ));
     }
 
+    /**
+     * 今日风云榜独立页（经验/金币/魅力今日排行）
+     */
+    public function todayIndex(): View
+    {
+        $todayTtl = 60 * 5;
+        $today    = today()->toDateString();
+        $topN     = (int) \App\Models\Sysparam::getValue('leaderboard_limit', '20');
+
+        $todayExp   = Cache::remember("leaderboard:today_exp:{$today}", $todayTtl,
+            fn () => $this->currencyService->todayLeaderboard('exp', $topN, $today)
+        );
+        $todayGold  = Cache::remember("leaderboard:today_gold:{$today}", $todayTtl,
+            fn () => $this->currencyService->todayLeaderboard('gold', $topN, $today)
+        );
+        $todayCharm = Cache::remember("leaderboard:today_charm:{$today}", $todayTtl,
+            fn () => $this->currencyService->todayLeaderboard('charm', $topN, $today)
+        );
+
+        return view('leaderboard.today', compact('todayExp', 'todayGold', 'todayCharm'));
+    }
+
     /**
      * 用户个人流水日志页（查询自己的经验/金币/魅力操作历史）
      */