style: 添加抽屉组件样式- 新增 drawer.scss 文件，定义抽屉组件的样式

- 在 renderUi.scss 中引入 drawer.scss- 样式包括抽屉的高度、背景、边框、位置等
- 优化抽屉头部样式，添加底部边框和字体样式
- 设置抽屉内容区域的内边距和滚动条样式

src/assets/sass/renderSass/drawer.scss

@@ -0,0 +1,40 @@
+.el-drawer {
+  &.ltr,
+  &.rtl {
+    height: calc(100% - 16px);
+    margin-top: 8px;
+    background: #ffffff;
+    border-radius: 7px;
+    border: 1px solid #ebeef2;
+  }
+  &.rtl {
+    right: 10px;
+  }
+  &.ltr {
+    left: 10px;
+  }
+  & .el-drawer__header {
+    padding: 27px 20px 10px 20px;
+    margin-bottom: 0px;
+    position: relative;
+    font-family: PingFangSC, PingFang SC;
+    font-weight: 600;
+    font-size: 16px;
+    color: #000000;
+    &:after {
+      content: '';
+      position: absolute;
+      bottom: 0;
+      border-bottom: 1px solid #ddd;
+      left: 20px;
+      right: 20px;
+      transform: scaleY(0.4);
+    }
+  }
+  & .el-drawer__body {
+    padding: 20px;
+    &::-webkit-scrollbar {
+      width: 0px;
+    }
+  }
+}

src/assets/sass/renderUi.scss

@@ -5,6 +5,7 @@
 @import 'renderSass/table';
 @import 'renderSass/label';
 @import 'renderSass/radio';
+@import 'renderSass/drawer';
 
 html,
 body,