.pdpb-protocol-v2 .related-protocols {
  margin: 48px 0 8px;
  padding: 28px 26px;
  border: 1px solid #e3e8ee;
  border-radius: 14px;
  background: linear-gradient(180deg, #f8fbff 0%, #fff 100%);
  box-shadow: 0 1px 3px rgba(16, 42, 67, 0.05);
}

.pdpb-protocol-v2 .related-protocols h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 4px;
  color: #1f3b57;
  font-size: 1.35rem;
}

.pdpb-protocol-v2 .related-protocols .rp-sub {
  margin: 0 0 18px;
  color: #5a6b7b;
  font-size: 0.95rem;
}

.pdpb-protocol-v2 .related-protocols .rp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(248px, 1fr));
  gap: 12px;
}

.pdpb-protocol-v2 .related-protocols a.rp-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 15px;
  border: 1px solid #e3e8ee;
  border-radius: 10px;
  background: #fff;
  color: #1f3b57;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.3;
  text-decoration: none;
  transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
}

.pdpb-protocol-v2 .related-protocols a.rp-card:hover {
  transform: translateY(-2px);
  border-color: #3498db;
  box-shadow: 0 4px 14px rgba(31, 59, 87, 0.12);
}

.pdpb-protocol-v2 .related-protocols a.rp-card .rp-ico {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: #eaf4fc;
  color: #2d83c9;
  font-size: 0.95rem;
}

@media (max-width: 640px) {
  .pdpb-protocol-v2 .related-protocols {
    padding: 22px 16px;
  }

  .pdpb-protocol-v2 .related-protocols .rp-grid {
    grid-template-columns: 1fr;
  }
}