.about-hero {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1rem;
  align-items: center;
}

.about-hero-media {
  display: flex;
  justify-content: center;
  align-items: center;
}

.about-avatar {
  width: 100%;
  max-width: 220px;
  height: auto;
  border-radius: 14px;
  border: none;
  background: #ffffff;
}

.about-role {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.about-name {
  margin: 0.2rem 0 0.5rem;
}

.about-hero-content p {
  margin: 0.35rem 0;
}

.about-interest-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.7rem;
}

.about-action-links {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0.55rem 0 0.55rem;
  overflow-x: auto;
}

.about-action-links .pub-btn {
  white-space: nowrap;
}

.about-chip {
  display: inline-flex;
  align-items: center;
  border: 1px solid #d1d5db;
  border-radius: 999px;
  padding: 0.18rem 0.62rem;
  font-size: 0.82rem;
  color: #334155;
  background: #ffffff;
}

.about-panel h3 {
  margin: 0 0 0.6rem;
}

.about-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.52rem;
}

.about-timeline li {
  border-left: none;
  padding-left: 0;
}

.about-time {
  display: inline-block;
  color: var(--muted);
  font-size: 0.82rem;
  min-width: 3.8rem;
  margin-right: 0.35rem;
}

.about-detail {
  display: inline;
}

.about-featured-pubs {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.75rem;
}

.about-featured-pubs li {
  padding-left: 0.2rem;
}

.about-pub-item {
  border: none;
  border-radius: 12px;
  padding: 0.65rem 0.72rem;
  background: #f8fafc;
}

.about-pub-title {
  margin: 0;
  font-weight: 600;
}

.about-pub-authors {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.about-pub-meta {
  margin: 0.2rem 0 0.42rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.about-pub-note {
  margin: 0 0 0.55rem;
  color: #374151;
  font-size: 0.9rem;
}

.about-pub-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.about-software-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 0.75rem;
  align-items: center;
}

.about-software-logo {
  width: 100%;
  max-width: 120px;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #ffffff;
}

.about-software-name {
  margin: 0 0 0.2rem;
  font-weight: 600;
}

.about-software-desc {
  margin: 0;
  color: var(--muted);
}

.about-software-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.58rem;
}

.elegant-link {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid #bfdbfe;
  padding-bottom: 1px;
  transition: color 150ms ease, border-color 150ms ease, background-color 150ms ease;
}

.elegant-link:hover {
  color: #1e3a8a;
  border-color: #1e3a8a;
  background-color: #eff6ff;
}

@media (max-width: 640px) {
  .about-hero {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .about-avatar {
    max-width: 230px;
  }

  .about-software-item {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .about-software-logo {
    max-width: 160px;
  }

  .about-action-links {
    flex-wrap: wrap;
    overflow-x: visible;
  }
}