diff --git a/src/assets/main.css b/src/assets/main.css
index e475abe92b70aa2b078dd2ce0135d31bea1826f6..3e0d0430103c0f12eac632cf4b007b54b8159ccf 100644
--- a/src/assets/main.css
+++ b/src/assets/main.css
@@ -60,7 +60,11 @@ input {
   height: 90%;
   top: calc((20px - 20px * 0.9) * 0.5);
   left: calc((20px - 20px * 0.9) * 0.5);
-  border: 1px solid #999;
+  /* border: 1px solid #999; */
+
+  box-shadow: inset 8px 8px 8px rgba(0, 0, 0, 0.3),
+    inset -8px -8px -8px rgba(255, 255, 255, 0.7),
+    -10px -10px -10px rgba(0, 0, 0, 0.4);
 }
 
 /* 竖线隐藏 */