.sb-dominant .sb-authors-4 {
  position: relative;
  padding: clamp(36px, 5vw, 74px) clamp(24px, 6vw, 58px);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(18, 20, 32, .92), rgba(10, 12, 26, .94));
  overflow: hidden;
}
.sb-dominant .sb-authors-4::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 120% at 10% 0%, rgba(122, 255, 198, .18), transparent),
              radial-gradient(140% 140% at 90% 100%, rgba(158, 214, 255, .2), transparent);
  opacity: .65;
  pointer-events: none;
}
.sb-dominant .sb-authors-4 .sb-authors-head,
.sb-dominant .sb-authors-4 .sb-authors-timeline {
  position: relative;
  z-index: 1;
}
.sb-dominant .sb-authors-4 .sb-authors-timeline {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
  margin-top: clamp(18px, 4vw, 36px);
}
.sb-dominant .sb-authors-4 .sb-authors-timeline::before {
  content: '';
  position: absolute;
  inset: clamp(12px, 3vw, 22px) auto clamp(12px, 3vw, 22px);
  left: 50%;
  width: 2px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .32), rgba(255, 255, 255, 0));
  transform: translateX(-50%);
  opacity: .45;
  pointer-events: none;
}
.sb-dominant .sb-authors-4 .sb-author-card {
  background: rgba(20, 24, 42, .82);
  border: 1px solid rgba(255, 255, 255, .12);
}
.sb-dominant .sb-authors-4 .sb-author-index {
  font-size: 1.05rem;
  letter-spacing: .22em;
  color: rgba(255, 255, 255, .58);
}
@media (min-width: 900px) {
  .sb-dominant .sb-authors-4 .sb-authors-timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(24px, 4vw, 48px);
  }
  .sb-dominant .sb-authors-4 .sb-author-card:nth-child(odd) {
    margin-right: clamp(30px, 4vw, 56px);
  }
  .sb-dominant .sb-authors-4 .sb-author-card:nth-child(even) {
    margin-left: clamp(30px, 4vw, 56px);
  }
}
@media (max-width: 899px) {
  .sb-dominant .sb-authors-4 .sb-authors-timeline::before {
    display: none;
  }
}