.page-about {
  --about-gold-glow: rgba(212, 175, 55, 0.12);
  --about-cyan-glow: rgba(0, 229, 255, 0.08);
  --about-gold-line: rgba(212, 175, 55, 0.4);
  background: var(--bg-primary);
  color: var(--text-primary);
}

.page-about a:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
  border-radius: 2px;
}

.page-about .breadcrumb {
  padding-top: 1.25rem;
}

.page-about .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s var(--ease);
}

.page-about .breadcrumb a:hover {
  color: var(--accent-cyan);
}

.page-about .breadcrumb li[aria-current="page"] {
  color: var(--accent-gold);
  font-weight: 500;
}

.page-about .breadcrumb li + li::before {
  content: "/";
  margin-right: 0.55rem;
  color: var(--border);
  font-family: var(--font-mono);
}

.page-about .section-head {
  position: relative;
  padding-bottom: 1.35rem;
  margin-bottom: 2.25rem;
  border-bottom: 1px solid var(--border);
}

.page-about .section-head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 3.6rem;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-cyan));
  border-radius: 2px;
}

.page-about .section-title {
  margin: 0.55rem 0 0.35rem;
  font-size: 1.75rem;
  line-height: 1.3;
  color: var(--text-primary);
}

.page-about .section-subtitle {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.65;
}

.page-about .media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
}

.page-about .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .media-frame .media-coordinate {
  position: absolute;
  right: 0.75rem;
  bottom: 0.75rem;
  z-index: 2;
  padding: 0.3rem 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--text-primary);
  background: rgba(11, 15, 25, 0.72);
  border: 1px solid rgba(0, 229, 255, 0.35);
  border-radius: 2px;
  text-transform: uppercase;
}

.page-about .about-hero {
  position: relative;
  padding: 1rem 0 3rem;
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -6rem;
  right: -8rem;
  width: 24rem;
  height: 24rem;
  background: radial-gradient(circle, var(--about-cyan-glow), transparent 62%);
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: -6rem;
  bottom: -8rem;
  width: 20rem;
  height: 20rem;
  background: radial-gradient(circle, var(--about-gold-glow), transparent 60%);
  pointer-events: none;
}

.page-about .about-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

.page-about .about-hero-copy {
  position: relative;
}

.page-about .about-hero h1 {
  margin: 0.8rem 0 1rem;
  font-family: var(--font-heading);
  font-size: 1.55rem;
  line-height: 1.4;
  color: var(--text-primary);
}

.page-about .about-hero h1 span {
  color: var(--accent-gold);
}

.page-about .about-hero-lead {
  max-width: 48rem;
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.85;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.5rem;
}

.page-about .about-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.4rem;
}

.page-about .about-hero-meta .tag {
  display: inline-block;
  padding: 0.35rem 0.7rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-primary);
  font-size: 0.8rem;
  text-decoration: none;
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease);
}

.page-about .about-hero-meta .tag:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.page-about .about-hero-visual {
  position: relative;
  width: 100%;
}

.page-about .about-hero-frame {
  aspect-ratio: 3 / 2;
  clip-path: polygon(0 0, 100% 0, 100% 88%, 93% 100%, 0 100%);
}

.page-about .about-hero-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.14), transparent 36%),
    linear-gradient(315deg, rgba(212, 175, 55, 0.22), transparent 45%);
  pointer-events: none;
}

.page-about .about-hero-visual::before {
  content: "";
  position: absolute;
  left: -0.9rem;
  bottom: -0.9rem;
  width: 4.8rem;
  height: 4.8rem;
  border: 1px solid var(--about-gold-line);
  transform: rotate(45deg);
  z-index: -1;
}

.page-about .about-milestones {
  padding: 3.5rem 0;
  background: linear-gradient(180deg, var(--bg-primary), var(--bg-secondary) 30%, var(--bg-primary));
}

.page-about .about-milestone-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.6rem;
  margin-top: 2.4rem;
}

.page-about .about-timeline-svg {
  display: block;
  width: 100%;
  max-width: 580px;
  height: auto;
  margin: 0 auto 1.25rem;
}

.page-about .about-timeline {
  list-style: none;
  position: relative;
  margin: 0;
  padding: 0;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-gold), var(--accent-cyan) 70%, transparent);
}

.page-about .about-timeline-item {
  position: relative;
  padding-left: 2.75rem;
  padding-bottom: 2.1rem;
}

.page-about .about-timeline-item:last-child {
  padding-bottom: 0;
}

.page-about .about-timeline-marker {
  position: absolute;
  left: 5px;
  top: 7px;
  width: 16px;
  height: 16px;
  box-sizing: border-box;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 2px solid var(--accent-gold);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.12);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-about .about-timeline-item:hover .about-timeline-marker {
  transform: scale(1.12);
  box-shadow: 0 0 0 6px rgba(212, 175, 55, 0.2), 0 0 14px rgba(212, 175, 55, 0.35);
}

.page-about .about-timeline-card {
  padding: 1.15rem 1.25rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-left: 2px solid var(--accent-gold);
  border-radius: var(--radius);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
}

.page-about .about-timeline-item:hover .about-timeline-card {
  transform: translateX(4px);
  border-color: rgba(0, 229, 255, 0.45);
  border-left-color: var(--accent-gold);
}

.page-about .about-timeline-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.page-about .about-timeline-year {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--accent-cyan);
  letter-spacing: 0.02em;
}

.page-about .about-timeline-stage {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.page-about .about-timeline-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.02rem;
  color: var(--text-primary);
}

.page-about .about-timeline-card p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.page-about .about-milestone-story {
  align-self: start;
}

.page-about .about-story-card {
  position: relative;
  padding: 1.5rem 1.35rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.page-about .about-story-index {
  position: absolute;
  top: -0.8rem;
  right: 1rem;
  padding: 0.15rem 0.55rem;
  background: var(--bg-primary);
  border: 1px solid var(--about-gold-line);
  color: var(--accent-gold);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.page-about .about-story-card h3 {
  margin: 0 0 0.9rem;
  font-size: 1.2rem;
  color: var(--text-primary);
}

.page-about .about-story-card p {
  margin: 0 0 0.9rem;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.page-about .about-story-card p:last-child {
  margin-bottom: 0;
}

.page-about .about-story-note {
  margin-top: 1rem;
  padding: 0.9rem 1.1rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.page-about .about-story-note strong {
  color: var(--accent-gold);
  margin-right: 0.25rem;
}

.page-about .about-philosophy {
  position: relative;
  padding: 3.5rem 0 4rem;
  overflow: hidden;
}

.page-about .about-philosophy::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 100%;
  transform: translateX(-50%);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.page-about .about-philosophy::after {
  content: "";
  position: absolute;
  right: -7rem;
  top: 10%;
  width: 16rem;
  height: 16rem;
  background: radial-gradient(circle, var(--about-gold-glow), transparent 65%);
  pointer-events: none;
}

.page-about .about-philosophy-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-about .about-philosophy-intro {
  position: relative;
  padding: 1.25rem 0;
}

.page-about .about-philosophy-intro::before {
  content: "";
  position: absolute;
  left: 0;
  top: -0.5rem;
  width: 2.2rem;
  height: 3px;
  background: var(--accent-cyan);
}

.page-about .about-philosophy-intro .about-index {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border: 1px solid rgba(0, 229, 255, 0.35);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
  margin-bottom: 0.9rem;
}

.page-about .about-philosophy-intro p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-primary);
}

.page-about .about-philosophy-items {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-about .about-philosophy-item {
  position: relative;
  padding: 1.3rem 1.35rem 1.45rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-about .about-philosophy-item:hover {
  border-color: rgba(212, 175, 55, 0.5);
  transform: translateY(-3px);
}

.page-about .about-philosophy-item::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 3.2rem;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-gold), transparent);
}

.page-about .about-philosophy-item .about-index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-cyan);
  letter-spacing: 0.08em;
}

.page-about .about-philosophy-item h3 {
  margin: 0.6rem 0 0.45rem;
  font-size: 1.1rem;
  color: var(--accent-gold);
}

.page-about .about-philosophy-item p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.page-about .about-data {
  position: relative;
  padding: 3.5rem 0 4rem;
  background: var(--bg-secondary);
  overflow: hidden;
}

.page-about .about-data::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 46px 46px;
  clip-path: polygon(0 0, 100% 0, 100% 84%, 0 100%);
  pointer-events: none;
}

.page-about .about-data .container {
  position: relative;
  z-index: 1;
}

.page-about .about-data-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

.page-about .about-data-frame {
  aspect-ratio: 4 / 3;
}

.page-about .about-data-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(325deg, rgba(0, 229, 255, 0.12), transparent 42%);
  pointer-events: none;
}

.page-about .about-data-copy {
  display: grid;
  gap: 1rem;
}

.page-about .about-data-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.page-about .about-stat-card {
  position: relative;
  padding: 1.15rem 1rem 1.1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-about .about-stat-card:hover {
  border-color: rgba(0, 229, 255, 0.45);
  transform: translateY(-3px);
}

.page-about .about-stat-num {
  display: flex;
  align-items: baseline;
  font-family: var(--font-mono);
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--accent-gold);
}

.page-about .about-stat-unit {
  margin-left: 0.2rem;
  font-size: 0.92rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.page-about .about-stat-label {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.page-about .about-data-note {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  align-items: baseline;
  padding: 0.85rem 1rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.page-about .about-data-note strong {
  color: var(--accent-cyan);
  font-weight: 700;
}

.page-about .about-team {
  padding: 3.5rem 0 4rem;
}

.page-about .about-team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

.page-about .about-team-frame {
  aspect-ratio: 10 / 7;
}

.page-about .about-team-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(145deg, rgba(212, 175, 55, 0.14), transparent 44%);
  pointer-events: none;
}

.page-about .about-team-copy {
  display: grid;
  gap: 1rem;
}

.page-about .about-team-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

.page-about .about-team-split-card {
  padding: 1.2rem 1.25rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-gold);
  border-radius: var(--radius);
}

.page-about .about-team-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--accent-gold);
}

.page-about .about-team-name {
  display: block;
  margin-top: 0.45rem;
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--text-primary);
}

.page-about .about-team-split-card p {
  margin: 0.5rem 0 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.page-about .about-team-panel {
  padding: 1.4rem 1.35rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.page-about .about-team-panel h3 {
  margin: 0 0 0.8rem;
  font-size: 1.05rem;
  color: var(--text-primary);
}

.page-about .about-team-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-about .about-team-list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.87rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

.page-about .about-team-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.52em;
  width: 0.42rem;
  height: 0.42rem;
  background: var(--accent-cyan);
  transform: rotate(45deg);
}

.page-about .about-honors {
  padding: 3.5rem 0 4rem;
  background: var(--bg-tertiary);
}

.page-about .about-honor-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-about .about-honor-card {
  position: relative;
  padding: 1.2rem 1.3rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-gold);
  border-radius: var(--radius);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-about .about-honor-card:hover {
  transform: translateY(-3px);
  border-color: rgba(212, 175, 55, 0.5);
}

.page-about .about-honor-title {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 700;
  font-size: 0.96rem;
  color: var(--text-primary);
}

.page-about .about-honor-desc {
  display: block;
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

.page-about .about-honor-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 1.25rem;
  padding: 1rem 1.25rem;
  background: rgba(212, 175, 55, 0.07);
  border: 1px solid rgba(212, 175, 55, 0.25);
  border-radius: var(--radius);
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.page-about .about-honor-trust .tag {
  flex: 0 0 auto;
}

.page-about .about-explore {
  padding: 3.5rem 0 4.5rem;
}

.page-about .about-explore-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-about .about-explore-card {
  display: block;
  position: relative;
  padding: 1.3rem 1.3rem 1.6rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  text-decoration: none;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-about .about-explore-card:hover {
  background: var(--bg-tertiary);
  border-color: rgba(0, 229, 255, 0.45);
  transform: translateY(-4px);
}

.page-about .about-explore-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--accent-gold);
  margin-bottom: 0.6rem;
  text-transform: uppercase;
}

.page-about .about-explore-title {
  display: block;
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 0.3rem;
}

.page-about .about-explore-desc {
  display: block;
  width: calc(100% - 1.2rem);
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.page-about .about-explore-card::after {
  content: "→";
  position: absolute;
  right: 1rem;
  bottom: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent-cyan);
  opacity: 0;
  transform: translateX(-5px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-about .about-explore-card:hover::after {
  opacity: 1;
  transform: translateX(0);
}

.page-about [data-reveal] {
  transition: opacity 0.6s var(--ease), transform 0.7s var(--ease);
}

.page-about [data-revealed="true"] {
  opacity: 1;
  transform: none;
}

@media (min-width: 640px) {
  .page-about .about-team-split {
    grid-template-columns: 1fr 1fr;
  }

  .page-about .about-honor-list {
    grid-template-columns: 1fr 1fr;
  }

  .page-about .about-data-stats {
    gap: 1rem;
  }
}

@media (min-width: 768px) {
  .page-about .about-hero h1 {
    font-size: 1.95rem;
  }

  .page-about .section-title {
    font-size: 2rem;
  }

  .page-about .about-stat-num {
    font-size: 2rem;
  }

  .page-about .about-philosophy-items {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 992px) {
  .page-about .about-hero {
    padding: 2.5rem 0 5rem;
  }

  .page-about .about-hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3.5rem;
  }

  .page-about .about-milestones {
    padding: 5rem 0;
  }

  .page-about .about-milestone-layout {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 4rem;
  }

  .page-about .about-milestone-story {
    position: sticky;
    top: 96px;
  }

  .page-about .about-philosophy {
    padding: 5rem 0;
  }

  .page-about .about-philosophy-grid {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 3.5rem;
  }

  .page-about .about-data {
    padding: 5rem 0;
  }

  .page-about .about-data-grid {
    grid-template-columns: 0.95fr 1.05fr;
    gap: 3.5rem;
  }

  .page-about .about-team {
    padding: 5rem 0;
  }

  .page-about .about-team-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
  }

  .page-about .about-honors {
    padding: 5rem 0;
  }

  .page-about .about-explore {
    padding: 5rem 0 5.5rem;
  }

  .page-about .about-explore-list {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.2rem;
  }
}