feat: 补全管理台功能 - 总览指标、搜索筛选、编辑模式、删除确认、全局日志查询

src/styles/pages/_admin.scss

@@ -140,3 +140,64 @@
   font-weight: 600;
   flex-shrink: 0;
 }
+
+/* 总览页底部两栏布局 */
+.overview-bottom-row {
+  display: grid;
+  grid-template-columns: 1fr 2fr;
+  gap: 20px;
+  margin-bottom: 20px;
+}
+
+.overview-anomalies {
+  margin-bottom: 0;
+}
+
+.overview-recent-logs {
+  margin-bottom: 0;
+}
+
+/* 异常/待办事项列表 */
+.anomaly-item {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  padding: 12px 14px;
+  border-radius: var(--radius-md);
+  margin-bottom: 8px;
+  font-size: 14px;
+  font-weight: 500;
+}
+
+.anomaly-item:last-child {
+  margin-bottom: 0;
+}
+
+.anomaly-warning {
+  background: var(--color-warning-light);
+  color: #92400E;
+}
+
+.anomaly-warning .anomaly-icon {
+  color: var(--color-warning);
+}
+
+.anomaly-info {
+  background: var(--color-primary-light);
+  color: #1E40AF;
+}
+
+.anomaly-info .anomaly-icon {
+  color: var(--color-primary);
+}
+
+.anomaly-icon {
+  display: flex;
+  align-items: center;
+  flex-shrink: 0;
+  font-size: 16px;
+}
+
+.anomaly-text {
+  flex: 1;
+}