.pdf-viewer {
  overflow: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.pdf-viewer iframe {
  touch-action: pan-y pinch-zoom;
}

.mobile-pdf-carousel {
  display: none;
}

@media (max-width: 760px) {
  .pdf-viewer {
    position: relative;
    min-height: 0;
    height: auto;
    overflow: visible;
    isolation: isolate;
  }

  .pdf-viewer iframe {
    display: none;
  }

  .mobile-pdf-carousel {
    display: block;
    min-width: 0;
  }

  .mobile-pdf-track {
    display: flex;
    gap: 8px;
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    scrollbar-width: none;
    overscroll-behavior-x: contain;
    touch-action: pan-x pan-y pinch-zoom;
    -webkit-overflow-scrolling: touch;
  }

  .mobile-pdf-track::-webkit-scrollbar {
    display: none;
  }

  .mobile-pdf-page {
    flex: 0 0 100%;
    min-width: 0;
    margin: 0;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    background: #fff;
    border: 1px solid var(--line, #d9d9d9);
    border-radius: 6px;
    scroll-snap-align: start;
    scroll-snap-stop: always;
  }

  .mobile-pdf-page img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    user-select: none;
    -webkit-user-drag: none;
  }

  .mobile-pdf-count {
    min-height: 18px;
    margin-top: 8px;
    color: var(--muted, #777);
    font-size: 11px;
    font-variant-numeric: tabular-nums;
    line-height: 18px;
    text-align: center;
  }

  @media (prefers-reduced-motion: reduce) {
    .mobile-pdf-track {
      scroll-behavior: auto;
    }
  }
}