.research-page {
  padding-top: 42px;
}

.research-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 34px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.research-tabs a {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  padding: 0 22px;
  border: 1px solid #d9dee3;
  color: #2d3740;
  background: #fff;
  font-size: 17px;
  font-weight: 900;
}

.research-tabs a.is-active {
  color: #fff;
  border-color: var(--red);
  background: var(--red);
}

.research-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 30px;
  align-items: stretch;
  margin-bottom: 56px;
  padding: 34px;
  border-top: 2px solid #111;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.research-intro p {
  margin: 0;
  color: #303a44;
  font-size: 19px;
  line-height: 1.82;
  word-break: keep-all;
}

.research-metric {
  display: grid;
  place-items: center;
  padding: 24px;
  color: #fff;
  background: linear-gradient(135deg, #171d24, var(--red));
  text-align: center;
}

.research-metric strong {
  display: block;
  font-size: 40px;
  line-height: 1;
  font-weight: 900;
}

.research-metric span {
  display: block;
  margin-top: 10px;
  color: rgba(255,255,255,.76);
  font-size: 14px;
  font-weight: 900;
}

.section-title {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  margin: 54px 0 22px;
  padding-bottom: 16px;
  border-bottom: 2px solid #111;
}

.section-title span {
  display: block;
  color: var(--red);
  font-size: 13px;
  font-weight: 900;
}

.section-title h3 {
  margin: 0;
  color: #111;
  font-size: clamp(28px, 3.5vw, 40px);
  line-height: 1;
  font-weight: 900;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.topic-card,
.lab-link-card {
  min-height: 190px;
  padding: 28px;
  border: 1px solid var(--line);
  background: #fff;
}

.topic-card b,
.lab-link-card b {
  display: block;
  margin-bottom: 14px;
  color: var(--red);
  font-size: 14px;
  font-weight: 900;
}

.topic-card strong,
.lab-link-card strong {
  display: block;
  color: #111;
  font-size: 23px;
  line-height: 1.28;
  font-weight: 900;
  word-break: keep-all;
}

.topic-card p,
.lab-link-card p {
  margin: 14px 0 0;
  color: #4b5660;
  font-size: 16px;
  line-height: 1.72;
  word-break: keep-all;
}

.lab-link-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.lab-link-card {
  position: relative;
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.lab-link-card:hover {
  border-color: rgba(163,15,28,.45);
  box-shadow: 0 16px 34px rgba(0,0,0,.08);
  transform: translateY(-2px);
}

.lab-link-card em {
  display: block;
  margin-top: 12px;
  color: var(--red);
  font-size: 14px;
  font-style: normal;
  font-weight: 900;
}

.lab-link-card span {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  margin-top: 18px;
  padding: 0 14px;
  color: #fff;
  background: #171d24;
  font-size: 14px;
  font-weight: 900;
}

.research-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.research-actions a {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  padding: 0 18px;
  color: #fff;
  background: #171d24;
  font-weight: 900;
}

.research-actions a:hover {
  background: var(--red);
}

@media (max-width: 980px) {
  .research-intro,
  .topic-grid,
  .lab-link-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .research-page {
    padding-top: 30px;
  }

  .research-tabs a {
    min-height: 44px;
    padding: 0 14px;
    font-size: 15px;
  }

  .research-intro {
    padding: 24px 20px;
  }

  .topic-card,
  .lab-link-card {
    padding: 24px 20px;
  }
}