.checkout-jump {
  position: fixed;
  right: calc(14px + env(safe-area-inset-right, 0px));
  bottom: max(calc(14px + env(safe-area-inset-bottom, 0px)), var(--checkout-jump-bottom, 14px));
  z-index: 41;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border, #ddd);
  border-radius: 50%;
  background: var(--card, #fff);
  color: var(--ink, #222);
  box-shadow: 0 2px 8px rgba(0, 0, 0, .14);
  cursor: pointer;
}
.checkout-jump[hidden] { display: none; }
.checkout-jump:hover { color: var(--green, #1c8a4a); }
.checkout-jump:focus-visible { outline: 3px solid var(--green, #1c8a4a); outline-offset: 3px; }
#checkoutDetails { scroll-margin-top: 18px; }