.page-about {
  background-color: var(--color-bg-dark);
  color: var(--color-gray-white);
}
.page-about .breadcrumb {
  position: relative;
  z-index: 2;
  padding-top: 1.5rem;
  color: var(--color-gray-white);
}
.page-about .crumb-link {
  color: var(--color-gray-white);
  opacity: 0.75;
  text-decoration: none;
  transition: color var(--transition-fast);
}
.page-about .crumb-link:hover {
  color: var(--color-accent);
  opacity: 1;
}
.page-about .crumb-sep {
  margin: 0 0.5rem;
  color: rgba(232, 230, 227, 0.5);
}
.page-about .crumb-current {
  color: var(--color-accent);
}
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(2.5rem, 6vw, 5.5rem) 0 clamp(2.5rem, 5vw, 4.5rem);
  background:
    linear-gradient(135deg, rgba(255, 90, 31, 0.14), transparent 46%),
    linear-gradient(180deg, var(--color-bg-dark), var(--color-bg-secondary));
}
.page-about .about-hero::before {
  content: "";
  position: absolute;
  right: -4rem;
  top: -4rem;
  width: 18rem;
  height: 18rem;
  border: 1px solid rgba(255, 90, 31, 0.3);
  border-radius: var(--radius-lg);
  transform: rotate(12deg);
  pointer-events: none;
}
.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 240px;
  height: 24px;
  background: var(--color-accent);
  clip-path: polygon(12% 0, 100% 0, 100% 100%, 0 100%);
  opacity: 0.9;
  pointer-events: none;
}
.page-about .about-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2.5rem;
  align-items: center;
}
.page-about .about-hero-copy {
  max-width: 880px;
}
.page-about .about-hero-kicker {
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}
.page-about .about-hero-title {
  font-family: var(--font-headline);
  font-size: clamp(1.9rem, 4.8vw, 3.3rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--color-cream);
  max-width: 900px;
  margin: 0 0 1.25rem;
}
.page-about .about-hero-lead {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--color-gray-white);
  max-width: 720px;
  margin-bottom: 2rem;
}
.page-about .about-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
}
.page-about .about-hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.page-about .about-hero-meta-num {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 1.75rem;
  line-height: 1;
  color: var(--color-accent);
}
.page-about .about-hero-meta-label {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--color-gray-white);
  opacity: 0.85;
}
.page-about .about-hero-aside {
  padding: 1.75rem 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(245, 239, 224, 0.4);
  box-shadow: 8px 8px 0 rgba(255, 90, 31, 0.35);
  color: var(--color-ink);
}
.page-about .about-hero-aside .exhibit-label {
  color: rgba(26, 24, 20, 0.6);
  margin-bottom: 0.75rem;
}
.page-about .about-hero-aside-text {
  font-family: var(--font-headline);
  font-size: 1.125rem;
  line-height: 1.45;
  color: var(--color-ink);
  margin: 0 0 0.75rem;
}
.page-about .about-hero-aside-note {
  font-size: 0.875rem;
  line-height: 1.6;
  color: rgba(26, 24, 20, 0.7);
  margin: 0;
}
.page-about .about-story {
  background: var(--color-cream);
  color: var(--color-ink);
  border-top: 4px solid var(--color-accent);
  padding: clamp(3.5rem, 8vw, 6rem) 0;
}
.page-about .about-story-layout {
  display: grid;
  gap: 2rem;
  align-items: center;
}
.page-about .about-story-copy .exhibit-label {
  color: var(--color-accent);
  margin-bottom: 1rem;
}
.page-about .about-story-copy h2 {
  font-family: var(--font-headline);
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  line-height: 1.2;
  margin: 0 0 1.25rem;
  color: var(--color-ink);
}
.page-about .about-story-copy p {
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(26, 24, 20, 0.82);
  margin-bottom: 1rem;
}
.page-about .about-story-copy .about-story-quote {
  margin: 1.75rem 0;
  padding: 1.25rem 1.5rem;
  border-left: 4px solid var(--color-accent);
  background: var(--color-cream-light);
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--color-ink);
}
.page-about .about-story-copy .about-story-quote p {
  margin: 0;
  color: var(--color-ink);
}
.page-about .about-story-copy .about-story-note {
  border-top: 1px dashed rgba(26, 24, 20, 0.3);
  padding-top: 1rem;
  font-family: var(--font-data);
  font-size: 0.9375rem;
  color: rgba(26, 24, 20, 0.62);
}
.page-about .about-story-figure {
  margin: 0;
}
.page-about .about-story-figure figcaption {
  margin-top: 0.75rem;
  font-family: var(--font-data);
  font-size: 0.8125rem;
  color: rgba(26, 24, 20, 0.62);
}
.page-about .about-timeline {
  background: var(--color-bg-dark);
  padding: clamp(3.5rem, 8vw, 6rem) 0;
}
.page-about .about-timeline .section-intro {
  color: var(--color-gray-white);
  opacity: 0.85;
}
.page-about .about-section-head {
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}
.page-about .about-section-head .exhibit-label {
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}
.page-about .about-section-head h2 {
  font-family: var(--font-headline);
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  line-height: 1.2;
  margin: 0 0 0.75rem;
}
.page-about .about-timeline .about-section-head h2 {
  color: var(--color-cream);
}
.page-about .about-stats .about-section-head h2,
.page-about .about-qualification .about-section-head h2 {
  color: var(--color-ink);
}
.page-about .about-timeline-list {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
}
.page-about .about-timeline-list::before {
  content: "";
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: 7px;
  width: 2px;
  background: linear-gradient(180deg, rgba(255, 90, 31, 0.5), rgba(245, 239, 224, 0.25));
}
.page-about .about-timeline-item {
  position: relative;
  padding-left: 40px;
  padding-bottom: 2rem;
}
.page-about .about-timeline-item:last-child {
  padding-bottom: 0;
}
.page-about .about-timeline-dot {
  position: absolute;
  left: 1px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(255, 90, 31, 0.18);
  transition:
    transform var(--transition-base),
    background var(--transition-base),
    box-shadow var(--transition-base);
}
.page-about .about-timeline-item:hover .about-timeline-dot {
  transform: scale(1.25);
  background: var(--color-accent-soft);
  box-shadow: 0 0 0 6px rgba(255, 90, 31, 0.28);
}
.page-about .about-timeline-year {
  display: inline-block;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}
.page-about .about-timeline-card {
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: 6px 6px 0 rgba(245, 239, 224, 0.16);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}
.page-about .about-timeline-card h3 {
  font-family: var(--font-headline);
  font-size: 1.15rem;
  color: var(--color-ink);
  margin: 0 0 0.5rem;
}
.page-about .about-timeline-card p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: rgba(26, 24, 20, 0.78);
}
.page-about .about-timeline-card:hover {
  transform: translateY(-4px);
  box-shadow: 8px 10px 0 rgba(255, 90, 31, 0.24);
}
.page-about .about-stats {
  background: var(--color-cream-light);
  color: var(--color-ink);
  padding: clamp(3.5rem, 8vw, 6rem) 0;
}
.page-about .about-stats .section-intro {
  color: rgba(26, 24, 20, 0.72);
}
.page-about .about-stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.page-about .about-stat-card {
  position: relative;
  overflow: hidden;
  padding: 1.75rem 1.5rem;
  border-radius: var(--radius-lg);
  background: var(--color-bg-dark);
  border: 1px solid rgba(10, 17, 40, 0.08);
  box-shadow: 0 14px 34px rgba(10, 17, 40, 0.18);
  color: var(--color-cream);
}
.page-about .about-stat-card::before {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, transparent 50%, rgba(255, 90, 31, 0.4) 50%);
  pointer-events: none;
}
.page-about .about-stat-card-accent {
  border-color: rgba(255, 90, 31, 0.6);
}
.page-about .about-stat-value {
  display: block;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-accent);
}
.page-about .about-stat-card-accent .about-stat-value {
  color: var(--color-accent-soft);
}
.page-about .about-stat-unit {
  display: inline-block;
  margin-left: 0.25rem;
  font-family: var(--font-data);
  font-size: 0.875rem;
  color: var(--color-gray-white);
  opacity: 0.8;
}
.page-about .about-stat-label {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.9375rem;
  color: var(--color-gray-white);
  opacity: 0.9;
}
.page-about .about-stats-map {
  display: grid;
  gap: 1.75rem;
  align-items: center;
}
.page-about .about-stats-figure {
  margin: 0;
}
.page-about .about-stats-figure figcaption {
  margin-top: 0.75rem;
  font-family: var(--font-data);
  font-size: 0.8125rem;
  color: rgba(26, 24, 20, 0.62);
}
.page-about .about-stats-facts {
  padding: 1.75rem 1.5rem;
  border-radius: var(--radius-lg);
  background: var(--color-cream);
  border: 1px solid rgba(26, 24, 20, 0.12);
  box-shadow: 8px 8px 0 rgba(10, 17, 40, 0.1);
}
.page-about .about-stats-facts h3 {
  font-family: var(--font-headline);
  font-size: 1.125rem;
  color: var(--color-ink);
  margin: 0 0 1rem;
}
.page-about .about-stats-facts ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}
.page-about .about-stats-facts li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.55;
  color: rgba(26, 24, 20, 0.8);
}
.page-about .about-stats-facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--color-accent);
  transform: rotate(45deg);
}
.page-about .about-tech {
  background: var(--color-bg-dark);
  padding: clamp(3.5rem, 8vw, 6rem) 0;
}
.page-about .about-tech-layout {
  display: grid;
  gap: 2rem;
  align-items: center;
}
.page-about .about-tech-copy .exhibit-label {
  color: var(--color-accent);
  margin-bottom: 1rem;
}
.page-about .about-tech-copy h2 {
  font-family: var(--font-headline);
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  line-height: 1.2;
  color: var(--color-cream);
  margin: 0 0 1.25rem;
}
.page-about .about-tech-copy > p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-gray-white);
  opacity: 0.9;
}
.page-about .about-tech-copy h3 {
  font-family: var(--font-headline);
  font-size: 1.125rem;
  color: var(--color-cream);
  margin: 1.75rem 0 0.75rem;
}
.page-about .about-tech-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}
.page-about .about-tech-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-gray-white);
  opacity: 0.85;
}
.page-about .about-tech-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 10px;
  height: 2px;
  border-radius: 2px;
  background: var(--color-teal);
}
.page-about .about-tech-note {
  margin-top: 1.5rem;
  font-size: 0.9375rem;
  color: var(--color-gray-white);
}
.page-about .about-tech-note a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.page-about .about-tech-figure {
  margin: 0;
}
.page-about .about-tech-figure figcaption {
  margin-top: 0.75rem;
  font-family: var(--font-data);
  font-size: 0.8125rem;
  color: var(--color-gray-white);
  opacity: 0.8;
}
.page-about .about-qualification {
  background: var(--color-cream);
  color: var(--color-ink);
  padding: clamp(3.5rem, 8vw, 6rem) 0;
}
.page-about .about-qualification .section-intro {
  color: rgba(26, 24, 20, 0.72);
}
.page-about .about-qual-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.page-about .about-qual-card {
  padding: 1.75rem 1.5rem;
  border-radius: var(--radius-lg);
  background: var(--color-cream-light);
  border: 1px solid rgba(26, 24, 20, 0.12);
  box-shadow: 6px 6px 0 rgba(10, 17, 40, 0.08);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}
.page-about .about-qual-card:hover {
  transform: translateY(-4px);
  box-shadow: 8px 10px 0 rgba(255, 90, 31, 0.18);
}
.page-about .about-qual-card h3 {
  font-family: var(--font-headline);
  font-size: 1.125rem;
  color: var(--color-ink);
  margin: 1rem 0 0.5rem;
}
.page-about .about-qual-card p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: rgba(26, 24, 20, 0.8);
}
.page-about .about-extend {
  background: var(--color-bg-dark);
  padding: clamp(3rem, 7vw, 5rem) 0;
}
.page-about .about-extend-inner {
  position: relative;
  overflow: hidden;
  padding: clamp(2rem, 5vw, 4rem) clamp(1.5rem, 4vw, 3rem);
  text-align: center;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(255, 90, 31, 0.12), transparent 40%),
    var(--color-bg-secondary);
  border: 1px solid rgba(245, 239, 224, 0.18);
}
.page-about .about-extend-inner .exhibit-label {
  color: var(--color-accent);
  margin-bottom: 1rem;
}
.page-about .about-extend-inner h2 {
  font-family: var(--font-headline);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: var(--color-cream);
  margin: 0 0 0.75rem;
}
.page-about .about-extend-inner > p {
  color: var(--color-gray-white);
  opacity: 0.85;
  max-width: 560px;
  margin: 0 auto 2rem;
}
.page-about .about-extend-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.875rem;
}
.page-about .img-frame img {
  display: block;
  width: 100%;
  height: auto;
}
@media (min-width: 640px) {
  .page-about .about-stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-about .about-qual-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-about .about-qual-card-wide {
    grid-column: span 2;
  }
}
@media (min-width: 820px) {
  .page-about .about-story-layout {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3.5rem;
  }
  .page-about .about-stats-map {
    grid-template-columns: 1.25fr 0.75fr;
    gap: 2.5rem;
  }
}
@media (min-width: 900px) {
  .page-about .about-tech-layout {
    grid-template-columns: 1fr 0.9fr;
    gap: 3.5rem;
  }
  .page-about .about-timeline-list::before {
    left: 50%;
    transform: translateX(-50%);
  }
  .page-about .about-timeline-item {
    width: calc(50% - 56px);
    padding-left: 0;
    text-align: left;
  }
  .page-about .about-timeline-item:nth-child(odd) {
    margin-right: auto;
    text-align: right;
  }
  .page-about .about-timeline-item:nth-child(even) {
    margin-left: auto;
    text-align: left;
  }
  .page-about .about-timeline-dot {
    top: 8px;
    width: 16px;
    height: 16px;
  }
  .page-about .about-timeline-item:nth-child(odd) .about-timeline-dot {
    left: auto;
    right: -64px;
  }
  .page-about .about-timeline-item:nth-child(even) .about-timeline-dot {
    left: -64px;
  }
}
@media (min-width: 960px) {
  .page-about .about-hero-inner {
    grid-template-columns: 1fr 360px;
    gap: 3rem;
  }
  .page-about .about-qual-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-about .about-qual-card-wide {
    grid-column: span 3;
  }
}