refactor: 统一组件导入方式与样式调整

- 将多个组件中的 require 替换为 import，提升代码一致性。
- 更新上传组件中的回调函数，简化图片选择逻辑。
- 调整样式以适配 Element Plus 组件，确保界面一致性。
- 删除不再使用的样式，优化项目结构。

manager/src/views/sys/oss-manage/ossManage.scss

@@ -16,125 +16,6 @@
   display: none;
 }
 
-.oss-wrapper {
-  display: flex;
-  flex-wrap: wrap;
-  position: relative;
-}
-
-.oss-card {
-  margin: 10px 20px 10px 0;
-  width: 290px;
-
-  :hover {
-    .content .other .name {
-      color: #1890ff;
-      transition: color .3s;
-    }
-  }
-
-  cursor: pointer;
-
-  .ivu-card-body {
-    padding: 0;
-  }
-
-  .content {
-    display: flex;
-    flex-direction: column;
-
-    :hover {
-      .play {
-        transition: opacity .3s;
-        opacity: 1 !important;
-      }
-    }
-
-    .img {
-      height: 135px;
-      object-fit: cover;
-    }
-
-    .video {
-      height: 135px;
-      position: relative;
-
-      .cover {
-        height: 100%;
-        width: 100%;
-        object-fit: fill;
-      }
-
-      .play {
-        position: absolute;
-        top: 43px;
-        left: 117px;
-        height: 50px;
-        width: 50px;
-        opacity: 0.8;
-      }
-    }
-
-    .other {
-      padding: 16px;
-      height: 135px;
-
-      .name {
-        font-size: 16px;
-        text-overflow: ellipsis;
-        overflow: hidden;
-        white-space: nowrap;
-        color: rgba(0, 0, 0, .85);
-        font-weight: 500;
-        margin-bottom: 4px;
-      }
-
-      .key {
-        overflow: hidden;
-        text-overflow: ellipsis;
-        height: 45px;
-        word-break: break-all;
-        color: rgba(0, 0, 0, .45);
-      }
-
-      .info {
-        font-size: 12px;
-        color: rgba(0, 0, 0, .45);
-        overflow: hidden;
-        text-overflow: ellipsis;
-        height: 36px;
-        word-break: break-all;
-      }
-    }
-
-    .actions {
-      display: flex;
-      align-items: center;
-      height: 50px;
-      background: #f7f9fa;
-      border-top: 1px solid #e8e8e8;
-
-      i:hover {
-        color: #1890ff;
-      }
-
-      .btn {
-        display: flex;
-        justify-content: center;
-        width: 33.33%;
-        border-right: 1px solid #e8e8e8;
-      }
-
-      .btn-no {
-        display: flex;
-        justify-content: center;
-        width: 33.33%;
-      }
-    }
-  }
-}
-
-
 .oss-manage-box {
   .file-list {
     height: 100%;
@@ -254,7 +135,7 @@
     flex-direction: row-reverse;
   }
 
-  .demo-tree-render .ivu-tree-title{
+  .demo-tree-render .el-tree-node__label {
     width: 94%;
   }
 }