.page-about {
  --about-gap: 32px;
  overflow-x: hidden;
}

.page-about .about-hero {
  position: relative;
  padding: 72px 0 56px;
  background: linear-gradient(150deg, var(--ink) 0%, var(--ink-deep) 100%);
  color: var(--paper);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  right: -12%;
  top: -24%;
  width: 60%;
  height: 150%;
  background: linear-gradient(120deg, transparent, var(--accent-soft));
  opacity: 0.14;
  clip-path: polygon(25% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

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

.page-about .about-hero .breadcrumbs {
  margin-bottom: 40px;
  color: rgba(255, 255, 255, 0.65);
}

.page-about .about-hero .breadcrumbs a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-about .about-hero .breadcrumbs a:hover {
  color: var(--accent-soft);
}

.page-about .about-hero-copy h1 {
  font-size: clamp(2.75rem, 8vw, 5.5rem);
  letter-spacing: 0.01em;
  margin-bottom: 16px;
}

.page-about .about-hero-lead {
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  max-width: 560px;
  margin-bottom: 28px;
}

.page-about .about-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.page-about .about-hero-cta .btn {
  min-width: 148px;
}

.page-about .about-hero-cta .btn-outline {
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--paper);
}

.page-about .about-hero-visual {
  margin-top: 32px;
}

.page-about .about-hero-img {
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: var(--shadow-md);
}

.page-about .about-hero-img img {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-section-head {
  margin-bottom: 40px;
}

.page-about .about-section-head h2 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  margin-bottom: 8px;
}

.page-about .about-section-desc {
  color: var(--ink-soft);
  font-size: 0.9375rem;
  line-height: 1.75;
  max-width: 640px;
}

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

.page-about .about-story-grid {
  display: grid;
  gap: var(--about-gap);
}

.page-about .about-story-copy p {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink);
  margin-bottom: 16px;
}

.page-about .about-story-aside {
  background: var(--paper-gray);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 28px 24px;
}

.page-about .about-story-aside blockquote {
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--ink);
  margin: 0 0 20px;
}

.page-about .about-milestones {
  padding: 72px 0 80px;
  background: linear-gradient(160deg, var(--ink-deep), var(--ink));
  color: var(--paper);
}

.page-about .about-milestones .about-section-desc {
  color: rgba(255, 255, 255, 0.7);
}

.page-about .about-timeline-wrap {
  margin-top: 48px;
}

.page-about .about-timeline-track {
  display: flex;
  flex-direction: column;
  gap: 32px;
  max-width: 640px;
  margin: 0 auto;
}

.page-about .about-timeline-node {
  position: relative;
  padding-left: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.page-about .about-timeline-node:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-about .about-timeline-marker {
  position: absolute;
  left: 0;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.22);
}

.page-about .about-timeline-year {
  font-family: var(--font-data);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--accent-soft);
  margin-bottom: 6px;
}

.page-about .about-timeline-card h3 {
  font-size: 1.25rem;
  color: var(--paper);
  margin-bottom: 6px;
}

.page-about .about-timeline-card p {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.72);
  margin: 0;
}

.page-about .about-map {
  margin-top: 48px;
}

.page-about .about-map-figure {
  margin: 0;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--ink-deep);
}

.page-about .about-map-figure img {
  display: block;
  width: 100%;
  height: auto;
  opacity: 0.9;
}

.page-about .about-map-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 16px 20px;
  background: rgba(6, 15, 43, 0.6);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.page-about .about-map-pin {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: var(--accent);
  color: #fff;
  border-radius: 40px;
  font-weight: 700;
  font-size: 0.9375rem;
  cursor: default;
  outline: none;
}

.page-about .about-map-pin::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #fff;
  flex: none;
}

.page-about .about-map-tip {
  position: absolute;
  bottom: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--ink-deep);
  color: var(--paper);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.8125rem;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.page-about .about-map-pin:hover .about-map-tip,
.page-about .about-map-pin:focus .about-map-tip {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.page-about .about-map-note {
  font-family: var(--font-data);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.7);
}

.page-about .about-team {
  padding: 72px 0 80px;
}

.page-about .about-team-layout {
  display: grid;
  gap: var(--about-gap);
}

.page-about .about-team-media {
  overflow: hidden;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}

.page-about .about-team-media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-team-copy p {
  line-height: 1.8;
  margin-bottom: 16px;
}

.page-about .about-team-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.page-about .about-stat {
  background: var(--paper-gray);
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  padding: 18px 16px;
}

.page-about .about-stat-label {
  display: block;
  font-size: 0.8125rem;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

.page-about .about-stat-value {
  display: block;
  font-family: var(--font-data);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink);
}

.page-about .about-jiangxi {
  padding: 72px 0 80px;
  background: var(--paper-gray);
}

.page-about .about-jiangxi-grid {
  display: grid;
  gap: 20px;
}

.page-about .about-jiangxi-card {
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  padding: 24px;
  border-top: 4px solid var(--accent);
  box-shadow: var(--shadow-sm);
}

.page-about .about-jiangxi-card h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.page-about .about-jiangxi-card p {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--ink-soft);
  margin: 0;
}

.page-about .about-join {
  padding: 72px 0 80px;
  background: linear-gradient(150deg, var(--ink) 0%, var(--ink-deep) 100%);
  color: var(--paper);
}

.page-about .about-join-copy h2 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  margin-bottom: 12px;
}

.page-about .about-join-copy p {
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.75;
  margin-bottom: 12px;
  max-width: 560px;
}

.page-about .about-join-location {
  font-family: var(--font-data);
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.7);
}

.page-about .about-join-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 24px;
}

.page-about .about-join-actions .btn-outline {
  border-color: rgba(255, 255, 255, 0.45);
  color: var(--paper);
}

@media (min-width: 768px) {
  .page-about .about-hero {
    padding: 88px 0 72px;
  }

  .page-about .about-hero-inner {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
    align-items: center;
  }

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

  .page-about .about-jiangxi-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-about .about-story-grid {
    grid-template-columns: 1fr 0.7fr;
    align-items: start;
    gap: 48px;
  }

  .page-about .about-timeline-track {
    flex-direction: row;
    gap: 28px;
    max-width: none;
    overflow-x: auto;
    scroll-snap-type: x proximity;
    padding-bottom: 8px;
  }

  .page-about .about-timeline-node {
    flex: 0 0 260px;
    padding-left: 0;
    padding-top: 28px;
    border-bottom: none;
    border-top: 1px solid var(--accent);
  }

  .page-about .about-timeline-marker {
    left: 0;
    top: -8px;
  }

  .page-about .about-team-layout {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: center;
    gap: 48px;
  }

  .page-about .about-team-stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-join-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: center;
  }

  .page-about .about-join-actions {
    justify-content: flex-end;
    margin-top: 0;
  }
}