refactor: 自动导入修改和项目重构优化

Former-commit-id: 100ab2e0092d96b17146163759aef897e5c14fbd

src/styles/element-plus.scss

@@ -10,41 +10,13 @@
   font-weight: 400 !important;
 }
 
-.el-upload {
-  input[type='file'] {
-    display: none !important;
-  }
-}
 
 .el-upload__input {
   display: none;
 }
 
-// dropdown
-.el-dropdown-menu {
-  a {
-    display: block;
-  }
-}
-
-// to fix el-date-picker css style
-.el-range-separator {
-  box-sizing: content-box;
-}
 
 // 选中行背景色值
 .el-table__body tr.current-row td {
   background-color: #e1f3d8b5 !important;
 }
-
-// card 的header统一高度
-.el-card__header {
-  height: 60px !important;
-}
-
-// 表格表头和表体未对齐
-.el-table__header col[name='gutter'] {
-  display: table-cell !important;
-}
-
-

src/styles/index.scss

@@ -16,8 +16,8 @@ html,body,#app{
   padding: 18px 0 0 10px;
   margin-bottom: 10px;
   border-radius: 5px;
-  border: 1px solid #ddd;
-  box-shadow: 6px 2px 6px #CCC;
+  border: 1px solid #eee;
+  box-shadow: 1px 1px 1px #eee;
 }
 
 svg{

src/styles/mixin.scss

@@ -6,20 +6,6 @@
   }
 }
 
-@mixin scrollBar {
-  &::-webkit-scrollbar-track-piece {
-    background: #d3dce6;
-  }
-
-  &::-webkit-scrollbar {
-    width: 6px;
-  }
-
-  &::-webkit-scrollbar-thumb {
-    background: #99a9bf;
-    border-radius: 20px;
-  }
-}
 
 @mixin relative {
   position: relative;