feat: 添加主题颜色，修改element-ui的primary颜色

src/assets/css/_style.scss

-
+// 设置主题颜色
+$theme-color1:#F26335;
 // 背景颜色
 $bg-color:#fff;
 
@@ -36,13 +37,13 @@ $table-th-size:13px;
 $table-th-weight:bold;
 
 $table-td-color:#6B6A6A;
-$table-td-size:11px; 
+$table-td-size:11px;
 $table-td-weight:400;
 
 $span-edit:#4EA7A6;
-$span-delete:#4EA7A6;      
+$span-delete:#4EA7A6;
 $span-reset:#4EA7A6;
 $span-details:#4EA7A6;
-$span-click:#4EA7A6;      
+$span-click:#4EA7A6;
 $span-disabled:#4EA7A6;
 $span-actived:#4EA7A6;

src/assets/css/element-variables.scss

+/* 改变主题色变量 */
+$--color-primary: #F26335;
+/* 改变 icon 字体路径变量，必需 */
+$--font-path: '~element-ui/lib/theme-chalk/fonts';
+@import "~element-ui/packages/theme-chalk/src/index";
+
+.tab-no-bottom{
+  .el-tabs__nav-wrap::after{
+    background-color: transparent;
+  }
+}