/* 基础日历外观（接近示例图） */
#coc-app .ui-datepicker { width: 100%; max-width: 640px; padding: 0; border: 1px solid #dfdfdf; border-radius: 8px; }
#coc-app .ui-datepicker .ui-datepicker-header {
  background: #f7f7f7; border-bottom: 1px solid #e5e5e5; padding: 10px; font-weight: 700; text-align:center;
}
#coc-app .ui-datepicker table { width: 100%; border-collapse: collapse; margin: 0; }
#coc-app .ui-datepicker th { padding: 8px 0; color:#666; font-weight:600; }
#coc-app .ui-datepicker td { border: 0; }
#coc-app .ui-datepicker .ui-state-default {
  display:block; padding:10px 0; text-align:center; border-radius:6px; border:1px solid transparent;
}
#coc-app .ui-datepicker .ui-state-hover { background:#f1f5f9; border-color:#e5e7eb; }
#coc-app .ui-datepicker .ui-state-active { background:#3b82f6; color:#fff; border-color:#3b82f6; }
#coc-app .ui-datepicker .ui-state-disabled { opacity:.45; filter:grayscale(1); }