/* 手機黏底列：頁內表單捲過去之後出現，回到表單的按鈕。桌機不顯示。 */
.lead-sticky { display: none; }
@media (max-width: 640px) {
  .lead-sticky:not([hidden]) {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 55; display: flex; align-items: center; gap: 8px;
    padding: 8px 6px calc(8px + env(safe-area-inset-bottom, 0px)) 14px; background: #0B3D91; color: #fff; box-shadow: 0 -6px 18px rgba(10,30,70,.22);
  }
  .lead-sticky-t { flex: 1 1 auto; min-width: 0; margin: 0; color: #fff; font-size: 14.5px; line-height: 1.4; }
  .lead-sticky-t strong { color: #ffd98a; }
  .lead-sticky-n { white-space: nowrap; }
  .lead-sticky-btn { flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 16px; border-radius: 999px; background: #d9a441; color: #24180a; font-size: 15.5px; font-weight: 800; text-decoration: none; white-space: nowrap; }
  .lead-sticky-x { flex: 0 0 auto; width: 40px; height: 44px; padding: 0; border: 0; background: transparent; color: #fff; font-size: 24px; line-height: 1; cursor: pointer; }
  body.lead-sticky-on { padding-bottom: 64px; }
}