/* 关于我们 — 与 business-detail / biz-block 版式一致 */

main.biz-detail > .biz-wrap:has(> .about-page-body) {
  max-width: 880px;
  padding-top: clamp(40px, 6vw, 56px);
  padding-bottom: clamp(48px, 8vw, 72px);
}

.about-page-body .biz-block:last-child {
  margin-bottom: 0;
}

.about-page-body .about-lead {
  font-size: clamp(15px, 0.4vw + 14px, 17px);
  line-height: 1.9;
  color: var(--text);
  letter-spacing: 0.02em;
  text-align: justify;
  margin: 0;
}

.about-page-body .cert-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
}

.about-page-body .cert-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 54px;
  padding: 14px 18px;
  background: var(--sub-gray);
  border: 1px solid rgba(10, 22, 40, 0.06);
  border-radius: 10px;
  font-size: clamp(13px, 0.35vw + 12px, 15px);
  font-weight: 500;
  color: var(--dark);
  line-height: 1.45;
  text-align: center;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.about-page-body .cert-item:hover {
  border-color: rgba(0, 102, 255, 0.2);
  box-shadow: 0 4px 14px rgba(10, 22, 40, 0.06);
}

@media (max-width: 768px) {
  main.biz-detail > .biz-wrap:has(> .about-page-body) {
    padding-top: 36px;
    padding-bottom: 40px;
  }

  .about-page-body .about-lead {
    font-size: 15px;
    line-height: 1.85;
    text-align: left;
  }

  .about-page-body .cert-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .about-page-body .cert-item {
    justify-content: flex-start;
    text-align: left;
    padding: 12px 16px;
    min-height: 48px;
  }
}

@media (min-width: 960px) {
  .about-page-body .cert-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }
}