.oem-about-h { margin: 24px 0 8px; }
.oem-about-lead { margin: 0 0 12px; }
.oem-certs { display: flex; flex-wrap: wrap; gap: 16px; margin: 16px 0 24px; }
.oem-cert { width: 170px; display: block; text-decoration: none; color: inherit; }
.oem-cert__img,
.oem-cert__pdf { width: 170px; height: 220px; border: 1px solid #ddd; border-radius: 8px; box-sizing: border-box; }
.oem-cert__img { object-fit: contain; display: block; background: #fff; padding: 6px; }
.oem-cert__pdf { display: flex; flex-direction: column; align-items: center; justify-content: center; background: #f7f7f7; }
.oem-cert__pdf-icon { font-size: 44px; line-height: 1; }
.oem-cert__pdf-hint { font-size: 12px; color: #777; margin-top: 4px; }
.oem-cert__name { margin-top: 8px; font-weight: 600; text-align: center; }
@media (max-width: 600px) {
  .oem-cert { width: 47%; }
  .oem-cert__img,
  .oem-cert__pdf { width: 100%; height: 200px; }
}