优化

src/modules/dashboard/pages/DashboardView.test.ts

@@ -1,4 +1,3 @@
-import { mount } from '@vue/test-utils'
 import { flushPromises, mount } from '@vue/test-utils'
 import { beforeEach, describe, expect, it, vi } from 'vitest'
 import DashboardView from './DashboardView.vue'

src/modules/dashboard/pages/DashboardView.vue

@@ -165,7 +165,7 @@ onBeforeUnmount(() => document.removeEventListener('fullscreenchange', syncFulls
     THESIS: 用一屏可扫描的经营驾驶舱承载平台概览，拒绝把数据拆成互不关联的装饰卡片。
     OWN-WORLD: 延续 Admin 冷灰工作面、白色数据面板和柏悦蓝主色；状态色只承担分类与告警。
     STORY: 运营人员先识别核心体量，再查看趋势与构成，最后定位待处理事项。
-    FIRST VIEWPORT: 顶部状态栏与五项核心指标占据首屏上半部，主趋势图和状态环图紧随其后。
+    FIRST VIEWPORT: 顶部状态栏与四项核心指标占据首屏上半部，主趋势图和状态环图紧随其后。
     FORM: 既有后台视觉体系的经营驾驶舱结构，基于用户提供的正式原型直接扩展。
     FINISH: unreviewed and undocumented is unfinished; this build ends with the finish review, the verdict, and DESIGN.md
   -->
@@ -377,7 +377,6 @@ onBeforeUnmount(() => document.removeEventListener('fullscreenchange', syncFulls
   .dashboard-content { gap: 14px; }
   .dashboard-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
   .dashboard-metric { min-height: 116px; padding: 13px; }
-  .dashboard-metric:last-child { grid-column: 1 / -1; }
   .dashboard-metric-mark { top: -30px; right: -24px; width: 80px; height: 80px; }
   .dashboard-metric p { margin-bottom: 12px; font-size: 11px; }
   .dashboard-metric strong { font-size: 23px; }