优化底部操作栏样式，调整布局和背景色，并在分类编辑页面添加安全距离

Service/TransactionPeriodicService.cs

@@ -163,6 +163,13 @@ public class TransactionPeriodicService(
             .Where(d => d >= 1 && d <= 31)
             .ToList();
 
+        // 如果当前为月末，且配置中有大于当月天数的日期，则也执行
+        var daysInMonth = DateTime.DaysInMonth(today.Year, today.Month);
+        if (today.Day == daysInMonth && executeDays.Any(d => d > daysInMonth))
+        {
+            return true;
+        }
+
         return executeDays.Contains(today.Day);
     }
 
@@ -175,7 +182,7 @@ public class TransactionPeriodicService(
             return false;
 
         // 计算当前是本季度的第几天
-        var quarterStartMonth = ((today.Month - 1) / 3) * 3 + 1;
+        var quarterStartMonth = (today.Month - 1) / 3 * 3 + 1;
         var quarterStart = new DateTime(today.Year, quarterStartMonth, 1);
         var daysSinceQuarterStart = (today - quarterStart).Days + 1;