Token 使用趋势日期标签可读性优化：非峰值日期颜色从浅灰改为中灰，确保可见

web/src/components/dashboard/BentoTrend.jsx

@@ -77,19 +77,23 @@ const BentoTrend = ({
 
       <div className='flex items-center justify-between text-[11px]'>
         <div className='flex items-center gap-1 tabular-nums'>
-          {dailyStats.map((d, i) => (
+          {dailyStats.map((d, i) => {
+            const isPeak = d.count === peak && peak > 0;
+            return (
             <span
               key={i}
-              className={`w-8 text-center ${
-                d.count === peak && peak > 0
+              className={`w-8 text-center text-xs ${
+                isPeak
                   ? 'font-semibold text-slate-900 dark:text-white'
-                  : 'text-slate-300 dark:text-white/30'
+                  : 'text-slate-500 dark:text-white/50'
               }`}
               title={`${d.date.getMonth() + 1}月${d.date.getDate()}日 ${d.count} 次`}
             >
               {formatMD(d.date)}
             </span>
-          ))}
+          );
+        })}
+        </div>
         </div>
         <div className='text-slate-500 tabular-nums dark:text-white/50'>
           峰值{' '}