diff --git a/static/style.css b/static/style.css
index e46edea..9872761 100644
--- a/static/style.css
+++ b/static/style.css
@@ -220,14 +220,13 @@ body {
 
 /* 周选择 */
 .cal-weeks {
-  display: flex;
+  display: grid;
+  grid-template-columns: repeat(2, 1fr);
   gap: 8px;
   padding: 8px 14px 10px;
-  justify-content: center;
 }
 .cal-week-cell {
-  width: 44px;
-  height: 44px;
+  height: 42px;
   display: flex;
   align-items: center;
   justify-content: center;