......

miniprogram/pages/index/index.scss

@@ -30,7 +30,8 @@ page{
 
 .text_startPage{
     font-size: 60rpx;
-    color:var(--text-color)
+    color:var(--text-color);
+    // mix-blend-mode: difference;
 }
 
 .buttom_startPage{
@@ -40,6 +41,9 @@ page{
     display: flex;
     justify-content: center;
     align-items: center;
+    .image{
+        mix-blend-mode: difference;
+    }
 }
 
 #gotoSearch{