/* 白皮书打印 / PDF 导出 */
@media print {
  #navbar, .leda-footer, .wp-cta, .entry-next-path, #mobileBar, #backToTop, .wp-pdf-bar__btn { display: none !important; }
  body.whitepaper-page { padding-top: 0 !important; }
  .wp-pdf-bar { border: none; background: none; padding: 0; margin-bottom: 1rem; }
  .wp-body { font-size: 11pt; }
  .wp-figure, table { break-inside: avoid; }
  a[href]::after { content: none; }
}

.wp-pdf-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: linear-gradient(90deg, #eff6ff, #EFF4FF);
  border: 1px solid #93c5fd;
  border-radius: 10px;
  margin-bottom: 1.25rem;
  font-size: 0.88rem;
  color: #1e3a8a;
}
.wp-pdf-bar__btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.45rem 0.9rem;
  background: #2563eb;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
}
.wp-pdf-bar__btn:hover { background: #1d4ed8; }
.wp-pdf-bar__btn--ghost {
  background: #fff;
  color: #2563eb;
  border: 1px solid #93c5fd;
}
.wp-pdf-bar__btn--ghost:hover { background: #eff6ff; }

@media screen {
  .wp-appendix { margin-top: 2rem; padding-top: 1rem; border-top: 2px dashed #C9CDD4; }
}