.page-about {
  background: var(--color-primary);
  color: var(--color-text-light);
  overflow: hidden;
}

.page-about .grid {
  row-gap: 28px;
  column-gap: 24px;
}

.page-about [id] {
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-about .page-about-breadcrumb {
  background: var(--color-primary-deep);
  border-bottom: 1px solid rgba(212, 175, 106, 0.16);
}

.page-about .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  padding: 16px 0;
  font-family: var(--font-body);
  font-size: 14px;
  color: rgba(244, 246, 251, 0.62);
}

.page-about .breadcrumbs a {
  color: var(--color-border);
  text-decoration: none;
  transition: color var(--ease);
}

.page-about .breadcrumbs a:hover,
.page-about .breadcrumbs a:focus-visible {
  color: var(--color-accent);
}

.page-about .breadcrumbs-sep {
  color: var(--color-border);
  opacity: 0.6;
}

.page-about .breadcrumbs [aria-current="page"] {
  color: var(--color-text-light);
}

.page-about .section-index {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-title);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.page-about .about-hero {
  position: relative;
  padding: 56px 0 72px;
  background:
    radial-gradient(75% 55% at 88% 12%, rgba(90, 79, 207, 0.32), transparent 68%),
    radial-gradient(55% 45% at 8% 82%, rgba(46, 58, 110, 0.46), transparent 70%),
    linear-gradient(155deg, var(--color-primary) 0%, var(--color-primary-deep) 100%);
  overflow: hidden;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: -84px;
  bottom: -84px;
  width: 240px;
  height: 240px;
  border: 1px solid rgba(212, 175, 106, 0.28);
  border-radius: 50%;
  box-shadow: 0 0 0 18px rgba(212, 175, 106, 0.05), 0 0 0 40px rgba(212, 175, 106, 0.03);
  pointer-events: none;
}

.page-about .about-hero-inner {
  position: relative;
  z-index: 1;
}

.page-about .about-hero-content {
  padding-top: 12px;
}

.page-about .about-hero h1 {
  margin: 18px 0 20px;
  font-size: clamp(30px, 4.6vw, 52px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: 0.01em;
  color: var(--color-text-light);
}

.page-about .about-hero h1 span {
  display: block;
  color: var(--color-accent);
  font-size: 0.72em;
  letter-spacing: 0.06em;
  margin-top: 6px;
}

.page-about .about-hero-lead {
  max-width: 640px;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.85;
  color: rgba(244, 246, 251, 0.76);
}

.page-about .about-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  max-width: 520px;
  margin: 36px 0 30px;
}

.page-about .hero-stat {
  padding: 16px 14px;
  border-top: 2px solid var(--color-border);
  background: rgba(11, 27, 59, 0.42);
}

.page-about .hero-stat-num {
  display: block;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 32px;
  line-height: 1.1;
  color: var(--color-accent);
}

.page-about .hero-stat-label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.55;
  color: rgba(244, 246, 251, 0.62);
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-folder-panel {
  position: relative;
  padding: 26px 24px;
  background: linear-gradient(160deg, rgba(46, 58, 110, 0.55), rgba(11, 27, 59, 0.85));
  border: 1px solid rgba(212, 175, 106, 0.42);
  border-radius: 4px;
  box-shadow: var(--shadow);
}

.page-about .about-folder-panel::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(212, 175, 106, 0.1);
  border-radius: 2px;
  pointer-events: none;
}

.page-about .folder-mark {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(212, 175, 106, 0.22);
}

.page-about .folder-mark-brand {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 2px solid var(--color-accent);
  border-radius: 2px;
  color: var(--color-accent);
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: 0.04em;
  background: rgba(232, 182, 76, 0.08);
}

.page-about .folder-mark-text {
  font-family: var(--font-title);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: rgba(244, 246, 251, 0.62);
}

.page-about .folder-index {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-about .folder-index-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 6px;
  font-family: var(--font-title);
  font-size: 13px;
  font-weight: 500;
  color: rgba(244, 246, 251, 0.7);
  text-decoration: none;
  border-bottom: 1px solid rgba(212, 175, 106, 0.1);
  transition: color var(--ease), border-color var(--ease), background var(--ease), padding-left var(--ease);
}

.page-about .folder-index-link span {
  font-weight: 900;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--color-accent);
}

.page-about .folder-index-link:hover,
.page-about .folder-index-link:focus-visible {
  color: var(--color-text-light);
  border-color: var(--color-border);
  background: rgba(232, 182, 76, 0.06);
  padding-left: 10px;
}

.page-about .folder-note {
  margin: 18px 0 0;
  font-family: var(--font-title);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(244, 246, 251, 0.38);
}

.page-about h2 {
  margin: 0 0 16px;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: 0.01em;
  color: var(--color-text-light);
}

.page-about .about-journey h2,
.page-about .about-ecosystem h2,
.page-about .about-cta h2 {
  color: var(--color-text-dark);
}

.page-about .about-lead-text {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.85;
  color: rgba(244, 246, 251, 0.78);
}

.page-about .about-rotate-note {
  writing-mode: vertical-rl;
  font-family: var(--font-title);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.32em;
  color: rgba(244, 246, 251, 0.42);
}

.page-about .about-mission,
.page-about .about-journey,
.page-about .about-team,
.page-about .about-credential,
.page-about .about-ecosystem,
.page-about .about-honor,
.page-about .about-cta {
  padding: 72px 0;
}

.page-about .about-mission {
  border-top: 1px solid rgba(212, 175, 106, 0.16);
  background:
    radial-gradient(2px 2px at 18% 32%, rgba(244, 246, 251, 0.22), transparent 100%),
    radial-gradient(1.5px 1.5px at 72% 58%, rgba(232, 182, 76, 0.32), transparent 100%),
    radial-gradient(1px 1px at 84% 20%, rgba(244, 246, 251, 0.18), transparent 100%),
    linear-gradient(180deg, var(--color-primary), var(--color-primary-deep));
}

.page-about .about-mission-side {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.page-about .about-mission-body {
  padding-top: 4px;
}

.page-about .about-promise-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .about-promise-list li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  background: rgba(46, 58, 110, 0.3);
  border-left: 3px solid var(--color-border);
  border-radius: 0 4px 4px 0;
}

.page-about .promise-key {
  font-family: var(--font-title);
  font-size: 16px;
  font-weight: 900;
  color: var(--color-accent);
}

.page-about .promise-desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(244, 246, 251, 0.72);
}

.page-about .about-journey {
  background: var(--color-bg-light);
  color: var(--color-text-dark);
}

.page-about .about-journey .about-lead-text,
.page-about .about-ecosystem .about-lead-text {
  color: rgba(26, 42, 68, 0.75);
}

.page-about .about-journey .section-index,
.page-about .about-ecosystem .section-index {
  color: var(--color-primary);
}

.page-about .timeline {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  position: relative;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(to bottom, var(--color-border) 0%, rgba(212, 175, 106, 0.2) 80%);
}

.page-about .timeline-item {
  position: relative;
  padding-left: 36px;
  padding-bottom: 28px;
}

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

.page-about .timeline-marker {
  position: absolute;
  left: 0;
  top: 4px;
  width: 19px;
  height: 19px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid var(--color-accent);
  box-shadow: 0 0 0 5px rgba(232, 182, 76, 0.14);
}

.page-about .timeline-year {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-title);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.page-about .timeline-body h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 900;
  color: var(--color-text-dark);
}

.page-about .timeline-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(26, 42, 68, 0.72);
}

.page-about .timeline-note {
  display: inline-block;
  margin-top: 10px;
  padding: 4px 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(26, 42, 68, 0.66);
  background: rgba(232, 182, 76, 0.1);
  border-left: 2px solid var(--color-border);
  transition: opacity var(--ease), transform var(--ease);
}

.page-about .about-inline-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  padding-bottom: 4px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 15px;
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 2px solid rgba(212, 175, 106, 0.7);
  transition: color var(--ease), border-color var(--ease);
}

.page-about .about-inline-link:hover,
.page-about .about-inline-link:focus-visible {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.page-about .about-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: 4px;
  border: 1px solid rgba(212, 175, 106, 0.32);
  background: var(--color-primary);
  box-shadow: 0 18px 42px rgba(7, 17, 38, 0.22);
}

.page-about .about-media-img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .about-media--portrait {
  aspect-ratio: 3 / 4;
}

.page-about .about-media--wide {
  aspect-ratio: 16 / 10;
}

.page-about .about-media--texture {
  aspect-ratio: 4 / 3;
}

.page-about .about-media-caption {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(26, 42, 68, 0.6);
}

.page-about .about-journey-media {
  align-self: start;
  padding-top: 40px;
}

.page-about .about-team {
  background:
    radial-gradient(70% 80% at 0% 100%, rgba(90, 79, 207, 0.3), transparent 70%),
    linear-gradient(180deg, var(--color-primary-deep), var(--color-primary));
  border-top: 1px solid rgba(212, 175, 106, 0.14);
}

.page-about .about-team-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .about-team-list li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  background: rgba(46, 58, 110, 0.32);
  border-left: 3px solid var(--color-border);
  border-radius: 0 4px 4px 0;
}

.page-about .team-key {
  font-family: var(--font-title);
  font-size: 16px;
  font-weight: 900;
  color: var(--color-accent);
}

.page-about .team-desc {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 246, 251, 0.72);
}

.page-about .about-credential {
  background:
    radial-gradient(60% 80% at 100% 0%, rgba(90, 79, 207, 0.3), transparent 70%),
    linear-gradient(120deg, var(--color-indigo), var(--color-primary-deep));
  border-top: 1px solid rgba(212, 175, 106, 0.14);
}

.page-about .about-credential-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .about-credential-list li {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 20px;
  background: rgba(11, 27, 59, 0.44);
  border: 1px solid rgba(212, 175, 106, 0.24);
  border-radius: 4px;
  transition: border-color var(--ease), background var(--ease);
}

.page-about .about-credential-list li:hover {
  border-color: var(--color-border);
  background: rgba(11, 27, 59, 0.58);
}

.page-about .credential-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  font-family: var(--font-title);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  background: rgba(232, 182, 76, 0.06);
}

.page-about .about-credential-list h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 900;
  color: var(--color-text-light);
}

.page-about .about-credential-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(244, 246, 251, 0.72);
}

.page-about .about-ecosystem {
  border-top: 1px solid rgba(212, 175, 106, 0.16);
  background:
    radial-gradient(70% 60% at 80% 20%, rgba(90, 79, 207, 0.1), transparent 70%),
    var(--color-bg-light);
}

.page-about .about-ecosystem-head {
  align-items: end;
}

.page-about .about-eco-map {
  margin-top: 32px;
  padding: 40px 24px;
  border: 1px solid rgba(212, 175, 106, 0.26);
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% 0%, rgba(232, 182, 76, 0.18), transparent 40%),
    radial-gradient(circle at 20% 100%, rgba(90, 79, 207, 0.14), transparent 46%),
    rgba(244, 246, 251, 0.65);
}

.page-about .eco-core {
  width: 84px;
  height: 84px;
  margin: 0 auto 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 2px solid var(--color-accent);
  background: var(--color-primary);
  color: var(--color-accent);
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 28px;
  letter-spacing: 0.02em;
  box-shadow: 0 0 0 10px rgba(232, 182, 76, 0.12), 0 0 0 20px rgba(232, 182, 76, 0.05);
}

.page-about .eco-partner-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .eco-partner {
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(212, 175, 106, 0.32);
  border-left: 3px solid var(--color-accent);
  border-radius: 4px;
  transition: box-shadow var(--ease);
}

.page-about .eco-partner:hover {
  box-shadow: 0 10px 26px rgba(26, 42, 68, 0.08);
}

.page-about .eco-details summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.page-about .eco-details summary::-webkit-details-marker {
  display: none;
}

.page-about .eco-partner-dot {
  width: 10px;
  height: 10px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(232, 182, 76, 0.16);
}

.page-about .eco-partner-name {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 15px;
  color: var(--color-text-dark);
}

.page-about .eco-toggle {
  margin-left: auto;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 20px;
  color: var(--color-accent);
  transition: transform var(--ease);
}

.page-about .eco-details[open] .eco-toggle {
  transform: rotate(45deg);
  color: var(--color-primary);
}

.page-about .eco-details p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(26, 42, 68, 0.7);
}

.page-about .about-honor {
  border-top: 1px solid rgba(212, 175, 106, 0.16);
  background:
    radial-gradient(55% 65% at 85% 10%, rgba(232, 182, 76, 0.12), transparent 70%),
    var(--color-primary);
}

.page-about .about-honor-list {
  padding-top: 4px;
}

.page-about .honor-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}

.page-about .honor-details summary {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: baseline;
  padding: 18px 4px;
  cursor: pointer;
  border-bottom: 1px solid rgba(212, 175, 106, 0.18);
  transition: background var(--ease);
}

.page-about .honor-details summary:hover,
.page-about .honor-details summary:focus-visible {
  background: rgba(232, 182, 76, 0.05);
}

.page-about .honor-details summary::-webkit-details-marker {
  display: none;
}

.page-about .honor-kicker {
  padding: 3px 10px;
  border: 1px solid rgba(212, 175, 106, 0.34);
  border-radius: 2px;
  font-family: var(--font-title);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-accent);
}

.page-about .honor-title {
  font-family: var(--font-title);
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text-light);
}

.page-about .honor-details summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 22px;
  line-height: 1;
  color: var(--color-accent);
}

.page-about .honor-details[open] summary::after {
  content: "−";
}

.page-about .honor-details > p {
  margin: 0;
  padding: 14px 4px 22px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 246, 251, 0.75);
}

.page-about .about-cta {
  border-top: 1px solid rgba(212, 175, 106, 0.2);
  background:
    radial-gradient(70% 90% at 20% 20%, rgba(255, 255, 255, 0.38), transparent 60%),
    linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  color: var(--color-text-dark);
}

.page-about .about-cta .about-cta-inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.page-about .about-cta .section-index {
  justify-content: center;
  color: var(--color-primary);
}

.page-about .about-cta .about-cta-desc {
  margin: 0 auto;
  max-width: 520px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(26, 42, 68, 0.78);
}

.page-about .about-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 28px;
}

.page-about .about-cta .btn {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-light);
}

.page-about .about-cta .btn:hover,
.page-about .about-cta .btn:focus-visible {
  background: var(--color-primary-deep);
  border-color: var(--color-primary-deep);
  color: var(--color-accent);
}

.page-about .about-cta .btn--ghost {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.page-about .about-cta .btn--ghost:hover,
.page-about .about-cta .btn--ghost:focus-visible {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-light);
}

.page-about .about-cta-link {
  display: block;
  margin: 16px auto 0;
  padding: 8px 4px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 15px;
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 2px solid rgba(26, 42, 68, 0.32);
  transition: color var(--ease), border-color var(--ease);
}

.page-about .about-cta-link:hover,
.page-about .about-cta-link:focus-visible {
  color: var(--color-primary-deep);
  border-color: var(--color-primary-deep);
}

@media (min-width: 768px) {
  .page-about .grid {
    column-gap: 32px;
  }

  .page-about .about-mission,
  .page-about .about-journey,
  .page-about .about-team,
  .page-about .about-credential,
  .page-about .about-ecosystem,
  .page-about .about-honor,
  .page-about .about-cta {
    padding: 88px 0;
  }

  .page-about .about-hero {
    padding: 72px 0 96px;
  }

  .page-about .about-hero-stats {
    gap: 16px;
    max-width: 580px;
  }

  .page-about .hero-stat {
    padding: 20px 16px;
  }

  .page-about .hero-stat-num {
    font-size: 38px;
  }

  .page-about .about-promise-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .page-about .about-journey-media {
    padding-top: 64px;
  }

  .page-about .about-team-list {
    gap: 16px;
  }

  .page-about .eco-partner-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .page-about .about-eco-map {
    padding: 48px 32px;
  }

  .page-about .eco-core {
    margin-bottom: 36px;
  }
}

@media (min-width: 992px) {
  .page-about .grid {
    column-gap: 40px;
  }

  .page-about .about-mission,
  .page-about .about-journey,
  .page-about .about-team,
  .page-about .about-credential,
  .page-about .about-ecosystem,
  .page-about .about-honor,
  .page-about .about-cta {
    padding: 104px 0;
  }

  .page-about .about-hero {
    padding: 88px 0 116px;
  }

  .page-about .timeline-note {
    opacity: 0;
    transform: translateY(4px);
  }

  .page-about .timeline-item:hover .timeline-note,
  .page-about .timeline-item:focus-within .timeline-note {
    opacity: 1;
    transform: translateY(0);
  }

  .page-about .about-eco-map {
    padding: 56px 40px;
  }

  .page-about .eco-partner-list {
    gap: 22px;
  }
}