fix(F006): 工作台首页适配浏览器全宽,去除 1400px 限制

src/modules/dashboard/DashboardView.vue

@@ -403,7 +403,7 @@ window.addEventListener('resize', () => { trendChart?.resize(); statusChart?.res
 </template>
 
 <style scoped lang="scss">
-.rr-dashboard { max-width: 1400px; }
+.rr-dashboard { width: 100%; }
 /* header 已抽到 PageHeader 组件, 此处不再维护 */
 
 .rr-stats-grid {

src/modules/statistics/StatisticsView.vue

@@ -255,7 +255,7 @@ onMounted(async () => {
 </template>
 
 <style scoped lang="scss">
-.rr-dashboard { max-width: 1400px; }
+.rr-dashboard { width: 100%; }
 /* header 已抽到 PageHeader 组件, 此处不再维护 */
 .rr-stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 20px; }
 .rr-stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 18px 20px; transition: all 0.15s; &:hover { border-color: var(--border-strong); box-shadow: var(--shadow); } }