.page-about {
  --about-gold-soft: rgba(212, 175, 55, 0.14);
  --about-gold-line: rgba(212, 175, 55, 0.32);
  --about-ink-soft: rgba(10, 30, 60, 0.72);
  --about-serif: var(--v-font-display);
  --about-sans: var(--v-font-body);
  font-family: var(--v-font-body);
  color: var(--v-ink);
  background: var(--v-white);
  min-height: 100vh;
}

.page-about .about-breadcrumbs {
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 0;
}

.page-about .about-breadcrumbs .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.page-about .about-breadcrumbs .breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--v-navy);
}

.page-about .about-breadcrumbs .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--v-gold-dark);
}

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

.page-about .about-breadcrumbs .breadcrumb-current {
  color: var(--v-ink);
  font-weight: 600;
}

.page-about .about-hero {
  position: relative;
  min-height: 640px;
  max-height: 912px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--v-ink);
  margin: 0 0 2.5rem;
}

.page-about .about-hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-about .about-hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 68%;
  opacity: 0.68;
  filter: saturate(1.12);
}

.page-about .about-hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 2.75rem 1.25rem 2.5rem;
  background: linear-gradient(180deg, rgba(10, 30, 60, 0.02) 0%, rgba(10, 30, 60, 0.78) 62%, rgba(10, 30, 60, 0.96) 100%);
  color: var(--v-white);
}

.page-about .about-hero-inner .kicker {
  margin: 0 0 0.5rem;
  color: var(--v-gold);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.page-about .about-hero-inner h1 {
  font-family: var(--v-font-display);
  font-weight: 300;
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  line-height: 1.12;
  letter-spacing: 0.01em;
  margin: 0 0 1rem;
  color: var(--v-white);
}

.page-about .about-hero-lead {
  max-width: 46rem;
  margin: 0 0 1.75rem;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.88);
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-about .about-hero-actions .btn {
  min-width: 10.5rem;
  padding: 0.9rem 1.4rem;
  border-radius: var(--v-radius);
  font-family: var(--v-font-body);
  font-size: 0.9rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-about .about-hero-actions .btn-gold {
  background: var(--v-gold);
  color: var(--v-ink);
  border: 1px solid var(--v-gold);
}

.page-about .about-hero-actions .btn-gold:hover,
.page-about .about-hero-actions .btn-gold:focus-visible {
  background: var(--v-gold-dark);
  border-color: var(--v-gold-dark);
  color: #fff;
}

.page-about .about-hero-actions .btn-outline {
  background: transparent;
  color: var(--v-white);
  border: 1px solid rgba(212, 175, 55, 0.6);
}

.page-about .about-hero-actions .btn-outline:hover,
.page-about .about-hero-actions .btn-outline:focus-visible {
  background: rgba(212, 175, 55, 0.12);
  border-color: var(--v-gold);
}

.page-about .about-section {
  max-width: 1180px;
  margin: 0 auto;
  padding: 3.2rem 1.25rem;
  border-bottom: 1px solid var(--about-gold-line);
  display: grid;
  gap: 2rem;
}

.page-about .about-marginal {
  display: grid;
  gap: 0.9rem;
  align-content: start;
  border-left: 2px solid var(--v-gold);
  padding-left: 1rem;
  margin-bottom: 0.25rem;
  align-self: center;
}

.page-about .about-marginal .marginal-label {
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  color: var(--v-gold-dark);
  font-weight: 700;
  margin: 0;
}

.page-about .about-marginal .marginal-note {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--v-navy);
  margin: 0;
}

.page-about .about-marginal .marginal-index {
  font-family: var(--v-font-display);
  font-size: 2.4rem;
  line-height: 1;
  color: rgba(212, 175, 55, 0.38);
  margin: 0.35rem 0 0;
}

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

.page-about .about-wide .kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.6rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--v-gold-dark);
  text-transform: uppercase;
}

.page-about .about-wide .kicker::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--v-gold);
  flex: 0 0 auto;
}

.page-about .about-wide h2 {
  font-family: var(--v-font-display);
  font-weight: 400;
  font-size: clamp(1.6rem, 3.6vw, 2.6rem);
  line-height: 1.2;
  margin: 0 0 1rem;
  color: var(--v-ink);
}

.page-about .about-wide p {
  margin: 0 0 1rem;
  line-height: 1.82;
  color: #26415f;
}

.page-about .about-timeline-lead {
  max-width: 52rem;
  margin-bottom: 1.75rem;
}

.page-about .about-journey-layout {
  display: grid;
  gap: 2rem;
  align-items: start;
}

.page-about .about-timeline-list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: 0;
}

.page-about .about-timeline-list::before {
  content: "";
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 11px;
  width: 2px;
  background: linear-gradient(180deg, var(--v-gold) 0%, rgba(212, 175, 55, 0.28) 100%);
}

.page-about .timeline-item {
  position: relative;
  padding: 0 0 1.75rem 2.65rem;
  margin: 0;
}

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

.page-about .timeline-item .timeline-body {
  padding: 0.2rem 0.6rem 0.15rem 0;
  border-radius: 4px;
  transition: background-color 0.2s ease;
}

.page-about .timeline-item:hover .timeline-body {
  background: rgba(212, 175, 55, 0.06);
}

.page-about .timeline-dot {
  position: absolute;
  left: 4px;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--v-ink);
  border: 2px solid var(--v-gold);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.12);
  z-index: 1;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.page-about .timeline-item:hover .timeline-dot,
.page-about .timeline-item:focus-within .timeline-dot {
  background: var(--v-gold);
  transform: scale(1.12);
}

.page-about .timeline-version {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin: 0 0 0.25rem;
  font-family: var(--v-font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--v-gold-dark);
  letter-spacing: 0.04em;
}

.page-about .timeline-body h3 {
  font-size: 1.06rem;
  line-height: 1.3;
  margin: 0 0 0.35rem;
  color: var(--v-ink);
  font-weight: 700;
}

.page-about .timeline-body p:last-child {
  margin: 0;
  font-size: 0.94rem;
  color: #2e4c6e;
  line-height: 1.72;
}

.page-about .about-timeline-figure {
  margin: 0;
  border-radius: 4px;
  overflow: hidden;
  background: var(--v-navy);
}

.page-about .about-timeline-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 800 / 500;
}

.page-about .about-timeline-figure figcaption {
  padding: 0.75rem 1rem;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.78);
  background: var(--v-navy);
  letter-spacing: 0.06em;
}

.page-about .about-stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
  margin: 2rem 0 1.5rem;
}

.page-about .stat-card {
  background: var(--v-ivory);
  border: 1px solid rgba(212, 175, 55, 0.18);
  border-radius: var(--v-radius);
  padding: 1.55rem 1.4rem 1.5rem;
  position: relative;
  overflow: hidden;
}

.page-about .stat-card::after {
  content: "";
  position: absolute;
  right: -16px;
  bottom: -16px;
  width: 74px;
  height: 74px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.18) 0%, transparent 70%);
  border-radius: 50%;
}

.page-about .stat-card-gold {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), var(--v-ivory) 72%);
}

.page-about .stat-card-dark {
  background: var(--v-ink);
  color: var(--v-white);
  border-color: transparent;
}

.page-about .stat-card .stat-number {
  font-family: var(--v-font-display);
  font-size: clamp(2.2rem, 4.6vw, 3.4rem);
  line-height: 1;
  font-weight: 600;
  color: var(--v-gold-dark);
  margin: 0 0 0.5rem;
}

.page-about .stat-card-dark .stat-number {
  color: var(--v-gold);
}

.page-about .stat-name {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
  color: inherit;
}

.page-about .stat-desc {
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--v-navy);
  margin: 0;
}

.page-about .stat-card-dark .stat-desc {
  color: rgba(255, 255, 255, 0.8);
}

.page-about .about-stats-support {
  border-top: 1px solid var(--about-gold-line);
  padding-top: 1.2rem;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--v-navy);
}

.page-about .about-stats-support strong {
  color: var(--v-ink);
  font-weight: 700;
}

.page-about .philosophy-lead {
  max-width: 48rem;
  font-size: 1.06rem;
  line-height: 1.86;
  color: #274562;
}

.page-about .about-principles {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1.9rem;
}

.page-about .principle-card {
  background: var(--v-ivory);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-left: 3px solid var(--v-gold);
  border-radius: var(--v-radius);
  padding: 1.35rem 1.3rem 1.4rem;
  position: relative;
}

.page-about .principle-num {
  display: block;
  font-family: var(--v-font-display);
  font-size: 2.1rem;
  color: rgba(212, 175, 55, 0.45);
  margin-bottom: 0.55rem;
}

.page-about .principle-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.45rem;
  color: var(--v-ink);
}

.page-about .principle-card p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--v-navy);
  margin: 0;
}

.page-about .about-tianjin-layout {
  display: grid;
  gap: 1.6rem;
  align-items: center;
}

.page-about .about-tianjin-content p {
  font-size: 0.98rem;
  line-height: 1.82;
  color: #26415f;
}

.page-about .about-tianjin-content .btn {
  margin-top: 0.75rem;
  padding: 0.8rem 1.4rem;
  font-size: 0.88rem;
  border: 1px solid var(--v-gold-dark);
  color: var(--v-gold-dark);
  background: transparent;
  border-radius: var(--v-radius);
  text-decoration: none;
  display: inline-block;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.page-about .about-tianjin-content .btn:hover,
.page-about .about-tianjin-content .btn:focus-visible {
  background: var(--v-gold);
  color: var(--v-ink);
}

.page-about .about-tianjin-media {
  margin: 0;
  border-radius: 4px;
  overflow: hidden;
  background: var(--v-navy);
}

.page-about .about-tianjin-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 600 / 400;
}

.page-about .about-tianjin-media figcaption {
  padding: 0.7rem 1rem;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.8);
  background: var(--v-navy);
}

.page-about .about-team-lead {
  max-width: 50rem;
  font-size: 1rem;
  line-height: 1.82;
}

.page-about .about-team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
  margin-top: 1.8rem;
}

.page-about .team-item {
  background: var(--v-ivory);
  border-radius: var(--v-radius);
  padding: 1.35rem 1.2rem 1.3rem;
  border-top: 2px solid var(--v-gold);
}

.page-about .team-item h3 {
  font-size: 0.98rem;
  font-weight: 700;
  margin: 0 0 0.45rem;
  color: var(--v-ink);
}

.page-about .team-item p {
  font-size: 0.87rem;
  line-height: 1.68;
  color: var(--v-navy);
  margin: 0;
}

.page-about .about-explore {
  max-width: 1180px;
  margin: 0 auto;
  padding: 3.5rem 1.25rem 4rem;
}

.page-about .about-explore-head {
  margin-bottom: 1.6rem;
}

.page-about .about-explore-head h2 {
  font-family: var(--v-font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 400;
  margin: 0;
  color: var(--v-ink);
}

.page-about .about-explore-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-about .about-explore-grid .card {
  background: var(--v-ivory);
  padding: 1.6rem 1.45rem;
  border-radius: var(--v-radius);
  text-decoration: none;
  border: 1px solid rgba(212, 175, 55, 0.18);
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
  display: block;
}

.page-about .about-explore-grid .card:hover,
.page-about .about-explore-grid .card:focus-visible {
  background: #fff;
  border-color: var(--v-gold);
  transform: translateY(-2px);
}

.page-about .about-explore-grid .card-title {
  display: block;
  font-family: var(--v-font-display);
  font-size: 1.3rem;
  color: var(--v-ink);
  margin-bottom: 0.4rem;
}

.page-about .about-explore-grid .card-text {
  display: block;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--v-navy);
}

@media (min-width: 40rem) {
  .page-about .about-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-about .about-principles {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-about .about-team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-about .about-explore-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 60rem) {
  .page-about .about-hero {
    min-height: 720px;
    margin-bottom: 4.5rem;
  }
  .page-about .about-hero-inner {
    width: auto;
    max-width: 50rem;
    padding: 3.5rem 4rem 3rem 5rem;
    background: linear-gradient(90deg, rgba(10, 30, 60, 0.92) 0%, rgba(10, 30, 60, 0.7) 58%, transparent 100%);
  }
  .page-about .about-section {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 2.5rem 3.5rem;
    padding: 4.5rem 2.5rem;
  }
  .page-about .about-journey-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 2.2rem;
  }
  .page-about .about-tianjin-layout {
    grid-template-columns: minmax(0, 1fr) 340px;
  }
  .page-about .about-team-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-about .about-breadcrumbs {
    padding-top: 2rem;
  }
}