.download-app-float {
  position: fixed;
  right: max(24px, calc((100vw - 1800px) / 2));
  bottom: 138px;
  z-index: 80;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 132px;
  height: 44px;
  border-radius: 22px;
  background: var(--color-primary-500, #ecd227);
  color: var(--color-neutral-900, #0d0d0d);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
  font: 500 14px/20px "PingFang SC", sans-serif;
  text-decoration: none;
  white-space: nowrap;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease, filter 0.18s ease;
}

.download-app-float:hover {
  color: var(--color-neutral-900, #0d0d0d);
  filter: brightness(1.05);
}

.download-app-float:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

.download-app-float.is-scrolling {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(12px);
}

.download-app-float__icon {
  display: block;
  flex: 0 0 24px;
}

@media (max-width: 767px) {
  .download-app-float {
    right: 16px;
    bottom: calc(72px + env(safe-area-inset-bottom, 0px));
  }
}

@media (prefers-reduced-motion: reduce) {
  .download-app-float {
    transition: none;
  }
}