enhance splash style

pnpm-lock.yaml

@@ -118,6 +118,9 @@ importers:
       JSONStream:
         specifier: ^1.3.5
         version: 1.3.5
+      animate.css:
+        specifier: ^4.1.1
+        version: 4.1.1
       electron-updater:
         specifier: ^6.1.7
         version: 6.1.7
@@ -2115,6 +2118,10 @@ packages:
       uri-js: 4.4.1
     dev: true
 
+  /animate.css@4.1.1:
+    resolution: {integrity: sha512-+mRmCTv6SbCmtYJCN4faJMNFVNN5EuCTTprDTAo7YzIGji2KADmakjVA3+8mVDkZ2Bf09vayB35lSQIex2+QaQ==}
+    dev: false
+
   /ansi-regex@5.0.1:
     resolution: {integrity: sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==}
     engines: {node: '>=8'}