style(payroll): add memory icon and space navigation tabs

projects/xiaoshu-admin/src/app/pages/operations-payroll.component.html

@@ -1,6 +1,6 @@
 <header class="page-header payroll-header"><div><p>PAYROLL CENTER</p><h1>工资结算</h1><span>按有效上课记录与抗遗忘工资核算工资，完成月度审核与发放登记</span></div><div class="header-actions"><button class="ui-button refresh-action" type="button" (click)="refreshLive()" [disabled]="refreshing()"><lucide-icon [img]="icons.RefreshCw" [size]="17" [class.spin]="refreshing()" />{{refreshing()?'正在刷新':'刷新实时数据'}}</button>@if(tab()!=='rewards'){<button class="ui-button export-action" type="button" (click)="exportExcel()" [disabled]="saving()"><lucide-icon [img]="icons.Download" [size]="17" />导出 Excel</button>}</div></header>
 @if(message()){<p class="notice" role="status">{{message()}}</p>} @if(error()){<p class="notice error" role="alert">{{error()}}</p>}
-<nav class="tabs payroll-tabs" aria-label="工资结算功能"><button type="button" [class.active]="tab()==='overview'" (click)="tab.set('overview')"><lucide-icon [img]="icons.TrendingUp" [size]="17" />收益统计</button><button type="button" [class.active]="tab()==='rewards'" (click)="openRewards()">抗遗忘工资</button><button type="button" [class.active]="tab()==='batches'" (click)="tab.set('batches')"><lucide-icon [img]="icons.Banknote" [size]="17" />工资批次</button><button type="button" [class.active]="tab()==='rates'" (click)="tab.set('rates')"><lucide-icon [img]="icons.Settings2" [size]="17" />排课与工资标准</button></nav>
+<nav class="tabs payroll-tabs" aria-label="工资结算功能"><button type="button" [class.active]="tab()==='overview'" (click)="tab.set('overview')"><lucide-icon [img]="icons.TrendingUp" [size]="17" />收益统计</button><button type="button" [class.active]="tab()==='rewards'" (click)="openRewards()"><lucide-icon [img]="icons.Brain" [size]="17" />抗遗忘工资</button><button type="button" [class.active]="tab()==='batches'" (click)="tab.set('batches')"><lucide-icon [img]="icons.Banknote" [size]="17" />工资批次</button><button type="button" [class.active]="tab()==='rates'" (click)="tab.set('rates')"><lucide-icon [img]="icons.Settings2" [size]="17" />排课与工资标准</button></nav>
 @if(tab()!=='rates'){<section class="toolbar payroll-toolbar"><label><span>统计月份</span><input type="month" [ngModel]="month()" (ngModelChange)="month.set($event)" /></label><label><span>门店</span><select [ngModel]="storeId()" (ngModelChange)="storeId.set(+$event)"><option [ngValue]="0">全部门店</option>@for(store of overview()?.stores||[];track store.storeId){<option [ngValue]="store.storeId">{{store.storeName==='未绑定门店'?'未绑定门店（ID '+store.storeId+'）':store.storeName}}</option>}</select></label><label class="search-field"><span>陪练搜索</span><input [ngModel]="search()" (ngModelChange)="search.set($event)" [placeholder]="tab()==='rewards'?'老师姓名或 ID':'姓名或手机号'" (keyup.enter)="applyFilters()" /></label><div class="filter-actions"><button class="ui-button primary query-action" type="button" (click)="applyFilters()"><lucide-icon [img]="icons.Search" [size]="17" />查询</button><button class="ui-button secondary reset-action" type="button" (click)="resetFilters()">重置</button></div><span class="source-chip" [class.cache]="overview()?.sourceStatus?.mode==='cache'" role="status"><i></i>{{overview()?.sourceStatus?.mode==='live'?'实时数据':'缓存数据'}} · {{overview()?.sourceStatus?.refreshedAt|date:'MM-dd HH:mm:ss'}}</span></section>}
 @if(tab()==='overview'){
  @if(overview();as data){

projects/xiaoshu-admin/src/app/pages/operations-payroll.component.scss

@@ -48,9 +48,11 @@
 
 .payroll-tabs {
   display: inline-flex;
-  gap: 4px;
+  max-width: 100%;
+  overflow-x: auto;
+  gap: 12px;
   margin: 0 0 18px;
-  padding: 5px;
+  padding: 8px;
   border: 1px solid #dfe8e4;
   border-radius: 14px;
   background: #fff;
@@ -59,11 +61,13 @@
 
 .payroll-tabs button {
   display: inline-flex;
-  min-height: 40px;
+  flex-shrink: 0;
+  white-space: nowrap;
+  min-height: 44px;
   align-items: center;
   justify-content: center;
-  gap: 7px;
-  padding: 0 16px;
+  gap: 10px;
+  padding: 0 20px;
   border: 0;
   border-radius: 10px;
   color: #667972;
@@ -407,10 +411,8 @@
   }
 
   .payroll-tabs {
-    display: grid;
-    grid-template-columns: repeat(3, max-content);
+    display: flex;
     width: 100%;
-    overflow-x: auto;
   }
 
   .payroll-toolbar {