.pagina {
  width: 297mm;
  height: 210mm;
  min-height: unset;
  background: var(--cor-branco);
  margin: 16px auto;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.18);
  position: relative;
  page-break-after: always;
}

.conteudo-interno {
  flex: 1;
  padding: 28px 36px;
  display: flex;
  flex-direction: column;
}