/* USB 故障日志导出页：终端窗加高、持续采集时按钮分两排，其余沿用 flash-* 组件。 */
.usb-log-grid .card-header{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.usb-log-note{color:var(--muted);font-size:10px;font-weight:600;letter-spacing:.02em;text-transform:none}
.usb-log-main .flash-meta{grid-template-columns:repeat(3,1fr);margin-bottom:14px}
.usb-log-main .flash-meta .cell span{font-size:14px}
.usb-log-main .flash-actions+.usb-log-export{margin-top:10px;padding-top:12px;border-top:1px dashed var(--line)}
.usb-log-main .flash-check{margin-top:16px;font-size:12px;color:var(--muted)}
.usb-log-card .flash-log{height:min(68vh,760px)}
.usb-log-card .flash-log:empty::before{content:"USB · KABU";display:block;color:#788896;letter-spacing:.12em;font-size:11px}
@media(max-width:760px){
  .usb-log-grid .card-header{flex-direction:column;gap:4px}
  .usb-log-main .flash-meta{grid-template-columns:1fr}
  .usb-log-card .flash-log{height:340px}
}