/* ext-usage.css — 用量与账单模块局部样式（只作用于本模块 DOM） */
.usage-actions{margin:2px 0 0}
.usage-actions .ext-btn{font-size:12.5px}
.usage-scroll{overflow-x:auto;border-radius:10px}
.usage-scroll .ext-table td:first-child{white-space:nowrap}
.usage-pager{alignify-items:center}
.usage-pager .ext-sub{margin:0 4px}
.usage-notes{margin:10px 0 0;padding:10px 12px;border:1px dashed var(--line);border-radius:12px;background:var(--surface-2)}
.usage-notes .ext-sub{margin:2px 0}
#usage-pane .ext-card:last-child{margin-bottom:0}
@media (max-width:640px){
  .usage-actions .ext-btn{flex:1 1 46%}
  .ext-tabs .ext-tab{flex:1 1 auto;text-align:center}
}