feat: 添加scss变量全局导出的vite配置

src/styles/element-plus.scss

-// cover some element-ui styles
-
+// 覆盖 element-plus 的样式
 .el-breadcrumb__inner,
 .el-breadcrumb__inner a {
   font-weight: 400 !important;
@@ -28,7 +27,6 @@
 .upload-container {
   .el-upload {
     width: 100%;
-
     .el-upload-dragger {
       width: 100%;
       height: 200px;
@@ -55,5 +53,5 @@
 
 // card 的header统一高度
 .el-card__header{
-  height: 61px!important;
+  height: 60px!important;
 }