.page-about {
  --about-line: rgba(123, 47, 255, 0.35);
  --about-cyan-line: rgba(0, 229, 255, 0.5);
  background: var(--bg-deep);
  color: var(--text-body);
  font-family: var(--font-body);
}

.page-about h2,
.page-about h3 {
  font-family: var(--font-headline);
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--text-title);
}

.page-about h2 {
  font-size: clamp(1.6rem, 3.6vw, 2.4rem);
  font-weight: 900;
}

.page-about a {
  color: var(--accent-cyan);
  text-decoration: none;
}

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

.page-about a:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 4px;
  border-radius: 6px;
}

.page-about img {
  max-width: 100%;
  height: auto;
}

.page-about .breadcrumb {
  margin-bottom: 8px;
}

.page-about .breadcrumb-sep {
  margin: 0 8px;
  color: var(--text-muted);
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 64px;
  background:
    radial-gradient(900px 420px at 82% -20px, rgba(0, 229, 255, 0.16), transparent 70%),
    radial-gradient(760px 520px at -10% 20%, rgba(123, 47, 255, 0.22), transparent 70%),
    var(--bg-deep);
}

.page-about .about-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 48px;
  align-items: center;
}

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

.page-about .about-hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  padding: 7px 18px;
  border: 1px solid var(--about-cyan-line);
  border-radius: 999px;
  background: rgba(0, 229, 255, 0.06);
  color: var(--accent-cyan);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-about .about-hero-kicker::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 12px var(--accent-cyan);
}

.page-about h1 {
  margin: 22px 0 20px;
  font-family: var(--font-headline);
  font-size: clamp(2.8rem, 8vw, 5.6rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: var(--text-title);
  text-shadow: 0 0 40px rgba(123, 47, 255, 0.25);
}

.page-about .about-hero-desc {
  max-width: 560px;
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-body);
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-about .about-hero-index {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-hero-index a {
  display: inline-flex;
  padding: 6px 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 13px;
  text-decoration: none;
  transition: color 0.3s var(--ease-out), border-color 0.3s var(--ease-out), background 0.3s var(--ease-out);
}

.page-about .about-hero-index a:hover,
.page-about .about-hero-index a:focus-visible {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  background: rgba(0, 229, 255, 0.06);
}

.page-about .about-hero-visual {
  position: relative;
  margin-right: -16px;
}

.page-about .about-hero-bg {
  display: block;
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-glow);
}

.page-about .about-hero-panel {
  position: absolute;
  left: 12px;
  bottom: 12px;
  min-width: 220px;
  padding: 18px;
  border: 1px solid rgba(0, 229, 255, 0.28);
  border-radius: var(--radius-lg);
  background: var(--surface-glass);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-glow);
}

.page-about .about-hero-stats {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.page-about .about-hero-stat {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
}

.page-about .about-hero-num {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 1.35rem;
  color: var(--primary-bright);
}

@supports (background-clip: text) or (-webkit-background-clip: text) {
  .page-about .about-hero-num {
    background: linear-gradient(135deg, var(--primary-bright), var(--accent-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}

.page-about .about-hero-label {
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
}

.page-about .about-hero-geo {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.page-about .about-hero-ring,
.page-about .about-hero-orbit {
  display: none;
}

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

.page-about .about-story-grid {
  display: grid;
  gap: 40px;
  align-items: center;
}

.page-about .about-story-figure {
  position: relative;
  margin: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-glow);
}

.page-about .about-story-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-about .about-story-figure figcaption {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  padding: 12px 18px;
  border-radius: 18px;
  background: rgba(10, 10, 16, 0.72);
  border: 1px solid rgba(0, 229, 255, 0.22);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-body);
}

.page-about .section-head--split {
  max-width: 760px;
  border-left: 4px solid var(--accent-cyan);
  padding-left: 20px;
}

.page-about .about-milestone {
  padding: 88px 0;
  background: linear-gradient(180deg, var(--bg-deep) 0%, #0f0f24 55%, var(--bg-deep) 100%);
}

.page-about .about-timeline {
  --timeline-x: 20px;
  position: relative;
  margin: 44px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: var(--timeline-x);
  width: 2px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--primary-violet), var(--accent-cyan));
  opacity: 0.45;
}

.page-about .about-timeline-item {
  position: relative;
  padding: 0 0 40px 64px;
}

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

.page-about .about-year {
  position: absolute;
  top: 4px;
  left: calc(var(--timeline-x) - 19px);
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 2px solid var(--primary-violet);
  border-radius: 10px;
  background: var(--bg-elevated);
  transform: rotate(45deg);
  box-shadow: 0 0 20px rgba(123, 47, 255, 0.3);
  font-family: var(--font-headline);
  font-size: 13px;
  font-weight: 900;
  color: var(--text-title);
  transition: border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.page-about .about-year > span {
  display: block;
  transform: rotate(-45deg);
}

.page-about .about-milestone-card {
  position: relative;
  padding: 22px 24px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-md);
  background: var(--surface-glass);
  transition: transform 0.35s var(--ease-out), border-color 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}

.page-about .about-milestone-card h3 {
  margin: 0 0 6px;
  font-size: 1.1rem;
  font-weight: 900;
}

.page-about .about-milestone-card p {
  margin: 0;
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.7;
}

.page-about .about-milestone-card > p + p {
  margin-top: 12px;
}

.page-about .about-milestone-more {
  padding-top: 10px;
  border-top: 1px dashed var(--about-line);
  color: var(--text-muted);
  font-size: 14px;
  transition: color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.page-about .about-timeline-item:hover .about-milestone-card,
.page-about .about-timeline-item:focus-within .about-milestone-card {
  transform: translateY(-4px);
  border-color: rgba(123, 47, 255, 0.45);
  box-shadow: var(--shadow-glow);
}

.page-about .about-timeline-item:hover .about-year,
.page-about .about-timeline-item:focus-within .about-year {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 24px rgba(0, 229, 255, 0.4);
  transform: rotate(45deg) scale(1.12);
}

.page-about .about-timeline-item:hover .about-milestone-more {
  color: var(--text-body);
  transform: translateX(4px);
}

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

.page-about .about-honor-heading {
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
}

.page-about .about-honor-grid {
  display: grid;
  gap: 20px;
  margin-top: 44px;
}

.page-about .about-honor-card {
  padding: 28px;
  border: 1px solid rgba(123, 47, 255, 0.2);
  border-radius: var(--radius-lg);
  background: var(--surface-glass);
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out), border-color 0.35s var(--ease-out);
}

.page-about .about-honor-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 229, 255, 0.35);
  box-shadow: var(--shadow-glow);
}

.page-about .about-honor-icon {
  width: 54px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  border-radius: 18px;
  background: var(--gradient-neon);
  color: #0B0B14;
  box-shadow: 0 0 24px rgba(123, 47, 255, 0.35);
}

.page-about .about-honor-icon svg {
  width: 26px;
  height: 26px;
}

.page-about .about-honor-card h3 {
  margin: 0 0 8px;
  font-size: 1.15rem;
  font-weight: 900;
}

.page-about .about-honor-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
}

.page-about .about-honor-trophy {
  margin-top: 18px;
}

.page-about .about-honor-trophy img {
  display: block;
  width: 100%;
  max-width: 340px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-glow);
}

.page-about .about-team {
  padding: 88px 0;
  background:
    radial-gradient(800px 380px at 90% 0%, rgba(123, 47, 255, 0.16), transparent 70%),
    linear-gradient(180deg, var(--bg-deep) 0%, #0d0d1e 55%, var(--bg-deep) 100%);
}

.page-about .about-team-layout {
  display: grid;
  gap: 24px;
  margin-top: 44px;
}

.page-about .about-tree-panel,
.page-about .about-eco-panel {
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-xl);
  background: var(--surface-glass);
}

.page-about .about-tree-panel h3,
.page-about .about-eco-panel h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
  font-weight: 900;
}

.page-about .about-tree-hint {
  margin: 0 0 18px;
  font-size: 14px;
  color: var(--text-muted);
}

.page-about .about-tree {
  display: grid;
  gap: 12px;
}

.page-about .about-tree details {
  padding: 14px 16px;
  border: 1px solid rgba(123, 47, 255, 0.22);
  border-radius: 18px;
  background: rgba(123, 47, 255, 0.05);
  transition: border-color 0.3s var(--ease-out), background 0.3s var(--ease-out);
}

.page-about .about-tree details[open] {
  border-color: rgba(0, 229, 255, 0.3);
  background: rgba(0, 229, 255, 0.05);
}

.page-about .about-tree summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 15px;
  color: var(--text-title);
  user-select: none;
}

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

.page-about .about-tree summary::before {
  content: "";
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.7);
  transform: rotate(45deg);
}

.page-about .about-summary-meta {
  margin-left: auto;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: 999px;
  padding: 2px 10px;
}

.page-about .about-tree-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
}

.page-about .about-tree-total {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--text-muted);
}

.page-about .about-eco-panel > p {
  margin: 0 0 14px;
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.8;
}

.page-about .about-eco-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 22px 0;
}

.page-about .about-eco-stat {
  padding: 16px 8px;
  border: 1px solid rgba(123, 47, 255, 0.24);
  border-radius: var(--radius-md);
  background: rgba(123, 47, 255, 0.08);
  text-align: center;
}

.page-about .about-eco-stat > span:first-child {
  display: block;
  font-family: var(--font-headline);
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--text-title);
}

.page-about .about-eco-stat > span:last-child {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-muted);
}

.page-about .about-eco-address {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed rgba(255, 255, 255, 0.12);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-about .about-contact {
  padding: 70px 0 96px;
}

.page-about .about-contact-panel {
  display: grid;
  gap: 26px;
  padding: 32px 26px;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, rgba(123, 47, 255, 0.16), rgba(0, 229, 255, 0.08)),
    var(--surface-glass);
  border: 1px solid rgba(123, 47, 255, 0.25);
  box-shadow: var(--shadow-glow);
}

.page-about .about-contact-copy h2 {
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 900;
}

.page-about .about-contact-copy p {
  margin: 0 0 20px;
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.7;
}

.page-about .about-contact-note {
  display: grid;
  gap: 8px;
  padding: 18px 20px;
  border-left: 3px solid var(--accent-cyan);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: rgba(0, 229, 255, 0.05);
}

.page-about .about-contact-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
}

@keyframes about-card-rise {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@supports (animation-timeline: view()) {
  .page-about .about-milestone-card,
  .page-about .about-honor-card,
  .page-about .about-tree details,
  .page-about .about-eco-panel {
    animation: about-card-rise 0.7s var(--ease-out) both;
    animation-timeline: view();
    animation-range: entry 0% entry 40%;
  }
}

@media (min-width: 720px) {
  .page-about .about-hero {
    padding: 96px 0 88px;
  }

  .page-about .about-hero-inner {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 36px;
  }

  .page-about .about-hero-visual {
    margin-right: 0;
  }

  .page-about .about-hero-bg {
    height: 360px;
  }

  .page-about .about-hero-panel {
    left: 18px;
    bottom: 18px;
  }

  .page-about .about-hero-ring {
    display: block;
    position: absolute;
    top: -26px;
    right: -18px;
    width: 120px;
    height: 120px;
    border: 1px dashed rgba(123, 47, 255, 0.55);
    border-radius: 50%;
    animation: about-spin 26s linear infinite;
  }

  .page-about .about-hero-ring::after {
    content: "";
    position: absolute;
    inset: 16px;
    border: 1px solid rgba(0, 229, 255, 0.35);
    border-radius: 50%;
  }

  .page-about .about-hero-orbit {
    display: block;
    position: absolute;
    left: -32px;
    top: 44%;
    width: 64px;
    height: 64px;
    border: 1px solid rgba(123, 47, 255, 0.4);
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(123, 47, 255, 0.18), rgba(0, 229, 255, 0.12));
    transform: rotate(45deg);
    animation: about-float 6s ease-in-out infinite alternate;
  }

  @keyframes about-spin {
    to {
      transform: rotate(360deg);
    }
  }

  @keyframes about-float {
    from {
      transform: translateY(-8px) rotate(45deg);
    }
    to {
      transform: translateY(8px) rotate(45deg);
    }
  }
}

@media (min-width: 900px) {
  .page-about .about-story-grid {
    grid-template-columns: 1.02fr 0.98fr;
    gap: 56px;
  }

  .page-about .about-story-figure {
    margin-right: -6%;
  }

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

  .page-about .about-honor-card--lead {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 28px;
    align-items: center;
  }

  .page-about .about-honor-trophy {
    margin-top: 0;
  }
}

@media (min-width: 1024px) {
  .page-about .about-timeline {
    max-width: 860px;
    margin-inline: auto;
  }

  .page-about .about-timeline-item:nth-child(even) {
    margin-left: 18%;
  }

  .page-about .about-team-layout {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 28px;
  }

  .page-about .about-contact-panel {
    grid-template-columns: 1.25fr 1fr;
    gap: 36px;
    padding: 48px 54px;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}