登录背景兼容

src/css/login.less

@@ -1,5 +1,6 @@
 @import './reset.less';
 body {
+  background: @themeColor;
   background:linear-gradient(133deg,rgba(45,79,139,1) 0%,rgba(20,39,83,1) 100%);
 }
 .login {
@@ -39,6 +40,7 @@ p.title {
   .message {
     width: 38%;
     height: 100%;
+    background: @activeBg;
     background:linear-gradient(180deg,rgba(0,25,82,1) 0%,rgba(0,24,78,0.94) 100%);
     box-sizing: border-box;
     position: relative;