.sp-brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.sp-shell-author {
  border-left: 1px solid var(--line);
  padding-left: 12px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.sp-shell-author:hover {
  color: var(--accent);
}

.sp-hero__author {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-top: 22px;
  color: var(--muted);
  font-size: 0.9rem;
}

.sp-hero__author a {
  font-weight: 760;
  text-decoration: none;
}

.sp-hero__author-name {
  color: var(--ink);
  font-size: 1rem;
}

.sp-depth-principle {
  max-width: 760px;
  margin: 18px 0 0;
  border-left: 3px solid var(--accent);
  padding-left: 15px;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  font-style: italic;
}

.sp-author-identity,
.sp-author-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: end;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 34px 0;
}

.sp-author-identity {
  margin-top: -20px;
}

.sp-author-identity h2,
.sp-author-panel h2 {
  margin: 8px 0 10px;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1;
  letter-spacing: -0.045em;
}

.sp-author-identity h2 a,
.sp-author-panel h2 a {
  text-decoration: none;
}

.sp-author-identity p,
.sp-author-panel p {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
}

.sp-author-panel {
  margin-top: 0;
  margin-bottom: 84px;
  background: color-mix(in srgb, var(--surface), var(--page) 38%);
  border-radius: 22px;
  border: 1px solid var(--line);
  padding: 30px;
}

.sp-author-links {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  justify-content: flex-end;
}

.sp-author-links a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 13px;
  background: var(--surface);
  font-size: 0.84rem;
  font-weight: 730;
  text-decoration: none;
  white-space: nowrap;
}

.sp-article-meta a {
  color: var(--ink);
}

@media (max-width: 900px) {
  .sp-author-identity,
  .sp-author-panel {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .sp-author-links {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .sp-brand-lockup {
    gap: 8px;
  }

  .sp-shell-author {
    border-left: 0;
    padding-left: 0;
    font-size: 0.72rem;
  }

  .sp-hero__author {
    align-items: flex-start;
  }

  .sp-hero__author > span {
    flex-basis: 100%;
  }

  .sp-author-panel {
    margin-bottom: 54px;
    padding: 22px;
  }
}