feat(projects): 新增项目、执行、任务等功能

src/styles/scss/element-plus.scss

@@ -428,6 +428,18 @@ html .el-collapse {
   margin-left: 0 !important;
 }
 
+.business-table-card-body {
+  display: flex;
+  height: calc(100% - 56px);
+  min-height: 0;
+  flex: 1;
+  flex-direction: column;
+
+  > .flex-1 {
+    min-height: 0;
+  }
+}
+
 .el-card {
   display: flex;
   flex-direction: column;
@@ -484,3 +496,44 @@ html .el-collapse {
     border-radius: $radius;
   }
 }
+
+.el-message {
+  min-width: 280px;
+  padding: 12px 18px;
+  border: none;
+  border-radius: $radius;
+  box-shadow: 0 6px 16px rgb(0 0 0 / 15%);
+
+  .el-message__content {
+    color: #fff;
+    font-weight: 500;
+  }
+
+  .el-icon {
+    color: #fff;
+  }
+
+  .el-message__closeBtn {
+    color: rgb(255 255 255 / 80%);
+  }
+
+  .el-message__closeBtn:hover {
+    color: #fff;
+  }
+
+  &--success {
+    background-color: var(--el-color-success);
+  }
+
+  &--info {
+    background-color: var(--el-color-info);
+  }
+
+  &--warning {
+    background-color: var(--el-color-warning);
+  }
+
+  &--error {
+    background-color: var(--el-color-danger);
+  }
+}