.page-about {
  --ab-accent: #39FF88;
  --ab-hot: #FF8A29;
  --ab-border: #293B5F;
  --ab-card: #0D1526;
  --ab-surface: #18233F;
  background: linear-gradient(180deg, #050A18 0%, #0D1526 100%);
}

.page-about .container {
  padding-bottom: 64px;
}

.page-about .breadcrumb {
  padding: 24px 0 32px;
  font-size: 14px;
}

.page-about .breadcrumb-link {
  color: var(--color-link);
  text-decoration: none;
}

.page-about .breadcrumb-link:hover {
  color: var(--color-text-main);
}

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

.page-about .breadcrumb-current {
  color: var(--color-text-secondary);
}

.page-about .about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
}

.page-about .about-archive {
  position: relative;
  overflow: hidden;
  padding: 28px 24px;
  background:
    linear-gradient(135deg, rgba(57, 255, 136, 0.08) 0%, transparent 50%),
    var(--ab-card);
  border: 1px solid var(--ab-border);
  border-radius: var(--radius-lg);
}

.page-about .about-archive::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--ab-accent), rgba(57, 255, 136, 0.15));
}

.page-about .about-archive::after {
  content: "";
  position: absolute;
  right: -20%;
  bottom: 12%;
  width: 90%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(57, 255, 136, 0.3), transparent);
  transform: rotate(-12deg);
  pointer-events: none;
}

.page-about .archive-kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ab-accent);
  text-transform: uppercase;
}

.page-about .archive-title {
  margin: 10px 0 6px;
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 1.2;
  color: var(--color-text-main);
}

.page-about .archive-subtitle {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.page-about .archive-nav {
  margin-top: 28px;
  position: relative;
  z-index: 1;
}

.page-about .archive-nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .archive-nav li + li {
  margin-top: 4px;
}

.page-about .archive-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.page-about .archive-nav a:hover,
.page-about .archive-nav a:focus-visible {
  background: rgba(57, 255, 136, 0.1);
  color: var(--color-text-main);
  transform: translateX(4px);
}

.page-about .archive-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ab-accent);
}

.page-about .archive-meta {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--ab-border);
  position: relative;
  z-index: 1;
}

.page-about .archive-meta-text {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-muted);
}

.page-about .about-content {
  min-width: 0;
}

.page-about .about-section {
  margin-bottom: 64px;
  scroll-margin-top: 120px;
}

.page-about .section-head {
  position: relative;
  margin-bottom: 28px;
  padding-left: 20px;
}

.page-about .section-head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 4px;
  height: 44px;
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, var(--ab-accent), transparent);
}

.page-about .section-head::after {
  content: "";
  position: absolute;
  left: 20px;
  bottom: -10px;
  width: 64px;
  height: 3px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--ab-accent), transparent);
}

.page-about .section-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ab-accent);
  text-transform: uppercase;
}

.page-about .section-head h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1.3;
  color: var(--color-text-main);
}

.page-about .figure-img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.page-about .story-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-about .story-copy p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.page-about .story-copy strong {
  color: var(--color-text-main);
  font-weight: 600;
}

.page-about .story-points {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}

.page-about .story-point {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.page-about .story-point .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ab-accent);
  box-shadow: 0 0 0 3px rgba(57, 255, 136, 0.15);
  margin-top: 8px;
  flex-shrink: 0;
}

.page-about .story-point p {
  margin: 0;
  color: var(--color-text-main);
  font-size: 14px;
}

.page-about .story-figure,
.page-about .milestone-figure,
.page-about .honor-figure {
  margin: 0;
}

.page-about .story-figure figcaption,
.page-about .milestone-figure figcaption,
.page-about .honor-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--color-text-muted);
  text-align: center;
}

.page-about .milestone-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-about .milestone-figure .figure-img {
  aspect-ratio: 16 / 9;
}

.page-about .milestone-track {
  position: relative;
  padding-left: 24px;
}

.page-about .milestone-track::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, var(--ab-accent), rgba(57, 255, 136, 0.15), var(--ab-hot));
}

.page-about .milestone-item {
  position: relative;
  margin-bottom: 24px;
}

.page-about .milestone-item:last-child {
  margin-bottom: 0;
}

.page-about .milestone-item::before {
  content: "";
  position: absolute;
  left: -20px;
  top: 18px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ab-accent);
  box-shadow: 0 0 0 4px rgba(57, 255, 136, 0.15);
}

.page-about .milestone-item:last-child::before {
  background: var(--ab-hot);
  box-shadow: 0 0 0 4px rgba(255, 138, 41, 0.18);
}

.page-about .milestone-year {
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--ab-accent);
}

.page-about .milestone-card {
  padding: 20px;
  border-radius: var(--radius-md);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.page-about .milestone-item:hover .milestone-card,
.page-about .milestone-item:focus-within .milestone-card {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(57, 255, 136, 0.4);
}

.page-about .milestone-card h3 {
  margin: 0 0 6px;
  font-size: 17px;
  color: var(--color-text-main);
}

.page-about .milestone-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.page-about .team-intro p {
  margin: 0 0 28px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.page-about .stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.page-about .stat-card {
  padding: 22px 18px;
  border-radius: var(--radius-md);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.page-about .stat-card:hover,
.page-about .stat-card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.page-about .stat-num {
  font-family: var(--font-display);
  font-size: 34px;
  line-height: 1;
  color: var(--color-text-main);
}

.page-about .card--accent .stat-num {
  color: var(--ab-accent);
}

.page-about .stat-unit {
  font-size: 20px;
  color: var(--ab-hot);
  margin-left: 2px;
}

.page-about .stat-label {
  margin-top: 12px;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-main);
}

.page-about .stat-card p {
  margin: 6px 0 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--color-text-muted);
}

.page-about .honor-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-about .honor-figure .figure-img {
  aspect-ratio: 3 / 2;
}

.page-about .honor-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-about .honor-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  border-radius: var(--radius-md);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-about .honor-item:hover,
.page-about .honor-item:focus-within {
  transform: translateX(4px);
  border-color: rgba(57, 255, 136, 0.4);
  box-shadow: var(--shadow-sm);
}

.page-about .honor-icon {
  flex-shrink: 0;
  margin-top: 2px;
  font-size: 16px;
  color: var(--ab-accent);
}

.page-about .honor-item h3 {
  margin: 0 0 6px;
  font-size: 16px;
  color: var(--color-text-main);
}

.page-about .honor-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.page-about .eco-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-about .eco-card {
  padding: 28px 24px;
  border-radius: var(--radius-md);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-about .eco-card:hover,
.page-about .eco-card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.page-about .eco-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  color: var(--color-text-main);
}

.page-about .eco-card p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.page-about .about-more {
  margin-top: 56px;
  padding: 32px 24px;
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid var(--ab-border);
  background:
    linear-gradient(135deg, rgba(57, 255, 136, 0.08), transparent 60%),
    var(--ab-card);
}

.page-about .about-more h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--color-text-main);
}

.page-about .about-more p {
  margin: 0 auto 24px;
  max-width: 560px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.page-about .about-more-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.page-about .about-more .btn {
  min-width: 140px;
  justify-content: center;
}

@media (min-width: 640px) {
  .page-about .stats-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

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

@media (min-width: 768px) {
  .page-about .honor-grid {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }

  .page-about .eco-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .about-more {
    padding: 40px 32px;
  }
}

@media (min-width: 992px) {
  .page-about .container {
    padding-bottom: 80px;
  }

  .page-about .about-layout {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .about-archive {
    position: sticky;
    top: 96px;
    padding: 32px;
  }

  .page-about .archive-title {
    font-size: 32px;
  }

  .page-about .about-section {
    margin-bottom: 96px;
  }

  .page-about .section-head h2 {
    font-size: 28px;
  }

  .page-about .section-head::before {
    height: 48px;
  }

  .page-about .story-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    gap: 40px;
  }

  .page-about .milestone-grid {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 40px;
    align-items: start;
  }

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