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#reproducibility li { margin-bottom: 12px; line-height: 1.65; }
.pdf-frame {
  margin-top: 24px;
  overflow: hidden;
  border: 1px solid #bccdd6;
  border-radius: 8px;
  background: #f1f6f8;
  box-shadow: 0 8px 28px rgb(21 44 57 / 8%);
}
.pdf-frame iframe {
  display: block;
  width: 100%;
  height: 660px;
  border: 0;
}
.presentation-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 28px;
  margin-top: 32px;
}
.presentation-grid .pdf-frame,
.video-frame {
  margin-top: 0;
  overflow: hidden;
  border: 1px solid #bccdd6;
  border-radius: 8px;
  background: #f1f6f8;
}
.presentation-grid iframe {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  border: 0;
}
@media (max-width: 760px) {
  .presentation-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }
  .presentation-grid .pdf-frame iframe {
    height: 360px;
    aspect-ratio: auto;
  }
  .video-frame iframe {
    aspect-ratio: 16 / 9;
  }
}
@media (max-width: 520px) { .topbar nav { flex-wrap: wrap; justify-content: flex-end; gap: 8px 14px; } .topbar { gap: 18px; } }