update:删除首页背景，加快加载速度

main/manager-web/src/views/DeviceManagement.vue

@@ -164,7 +164,7 @@ export default {
   height: 100vh;
   display: flex;
   flex-direction: column;
-  background-image: url("@/assets/home/background.png");
+  background: linear-gradient(145deg, #e6eeff, #eff0ff);
   background-size: cover;
   background-position: center;
   -webkit-background-size: cover;

main/manager-web/src/views/ModelConfig.vue

@@ -101,7 +101,7 @@
             <div class="batch-actions">
               <el-button size="mini" @click="selectAll" style="width: 75px; background: #606ff3">{{ isAllSelected ?
                 '取消全选' : '全选'
-                }}</el-button>
+              }}</el-button>
               <el-button size="mini" type="danger" icon="el-icon-delete" @click="batchDelete">
                 删除
               </el-button>
@@ -396,7 +396,7 @@ export default {
 }
 
 .main-wrapper {
-  margin: 5px 60px;
+  margin: 5px 20px;
   border-radius: 15px;
   min-height: 600px;
   box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);

main/manager-web/src/views/home.vue

@@ -150,7 +150,7 @@ export default {
   height: 100vh;
   display: flex;
   flex-direction: column;
-  background-image: url("@/assets/home/background.png");
+  background: linear-gradient(145deg, #e6eeff, #eff0ff);
   background-size: cover;
   /* 确保背景图像覆盖整个元素 */
   background-position: center;

main/manager-web/src/views/roleConfig.vue

@@ -275,7 +275,7 @@ export default {
   height: 100vh;
   display: flex;
   flex-direction: column;
-  background-image: url("@/assets/home/background.png");
+  background: linear-gradient(145deg, #e6eeff, #eff0ff);
   background-size: cover;
   /* 确保背景图像覆盖整个元素 */
   background-position: center;