/* 生成器只补充周期设置布局，控件、按钮与颜色继续复用工具公共样式。 */
.cron-format { margin: 0; padding: 0; border: 0; min-width: 0; }
.cron-format legend { padding: 0; font-weight: 750; }
.cron-format .developer-options { margin-top: 8px; }
.cron-builder { margin: 20px 0; padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.cron-builder h2 { margin: 0 0 12px; font-size: 18px; }
.cron-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.cron-help { margin: 12px 0; color: var(--muted); font-size: 14px; }
.cron-help summary { cursor: pointer; }
.cron-help p { margin: 8px 0; }
#cron-tools-form > .developer-field { margin-top: 16px; }
#cron-tools-form button:disabled { opacity: 0.55; cursor: not-allowed; }
@media (max-width: 640px) { .cron-fields { grid-template-columns: 1fr; } }