.page-about {
  --about-primary-soft: rgba(255, 77, 0, 0.08);
  --about-gold-soft: rgba(255, 215, 0, 0.18);
  max-width: var(--container);
  margin: 0 auto;
  padding: 24px 20px 96px;
}

.page-about .breadcrumb {
  margin-bottom: 32px;
}

/* 品牌宣言 */
.page-about .about-hero {
  position: relative;
  margin-bottom: 80px;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 45%;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--primary));
}

.page-about .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-about .hero-eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 16px;
}

.page-about .hero-title {
  font-size: clamp(32px, 5vw, 62px);
  font-weight: 900;
  line-height: 1.12;
  transform: skewX(-5deg);
  margin: 0 0 20px;
}

.page-about .hero-title em {
  font-style: normal;
  color: var(--primary);
  position: relative;
}

.page-about .hero-title em::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 100%;
  height: 8px;
  background: var(--about-gold-soft);
  z-index: -1;
}

.page-about .hero-desc {
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
  margin-bottom: 28px;
  max-width: 580px;
}

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

.page-about .hero-image {
  margin: 0;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 16px 40px var(--shadow);
  border: 1px solid var(--line);
}

.page-about .hero-image img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* 关键数字 */
.page-about .about-stats {
  margin-bottom: 80px;
}

.page-about .stats-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
}

.page-about .section-head {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 32px;
}

.page-about .section-index {
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font-num);
  color: var(--primary);
  letter-spacing: 0.12em;
  margin: 0;
}

.page-about .h-section {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 900;
  transform: skewX(-5deg);
  margin: 0;
}

.page-about .section-desc {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
}

.page-about .stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .stat-card {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.page-about .stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px var(--shadow);
  border-color: var(--primary);
}

.page-about .stat-num {
  font-size: clamp(36px, 4vw, 48px);
  font-weight: 900;
  font-family: var(--font-num);
  color: var(--primary);
  line-height: 1;
}

.page-about .stat-label {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page-about .stat-detail {
  font-size: 13px;
  color: var(--muted);
}

.page-about .stats-image {
  margin: 0;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 12px 32px var(--shadow);
}

.page-about .stats-image img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* 发展历程 */
.page-about .about-timeline {
  margin-bottom: 80px;
}

.page-about .timeline-wrap {
  position: relative;
}

.page-about .timeline-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-about .timeline-item {
  position: relative;
  padding: 0 0 44px 48px;
}

.page-about .timeline-item::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--line);
}

.page-about .timeline-item:last-child::before {
  height: 24px;
  bottom: auto;
}

.page-about .timeline-item::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 12px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--gold);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 4px rgba(255, 215, 0, 0.22);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.page-about .timeline-item:hover::after {
  box-shadow: 0 0 0 9px rgba(255, 215, 0, 0.28);
  transform: scale(1.08);
}

.page-about .timeline-year {
  display: block;
  font-size: 56px;
  font-weight: 900;
  font-family: var(--font-num);
  color: var(--primary);
  line-height: 1;
  margin-bottom: 12px;
  transform: skewX(-5deg);
}

.page-about .timeline-card {
  background: var(--glass);
  border: 1px solid var(--line);
  border-left: 3px solid var(--primary);
  border-radius: 0 14px 14px 0;
  padding: 20px 24px;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.page-about .timeline-item:hover .timeline-card {
  border-color: var(--primary);
  transform: translateX(6px);
  box-shadow: 0 8px 24px var(--shadow);
}

.page-about .timeline-card h3 {
  font-size: 18px;
  font-weight: 800;
  margin: 0 0 8px;
}

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

/* 资质与荣誉 */
.page-about .about-honors {
  margin-bottom: 80px;
}

.page-about .honors-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-about .honor-card {
  border-radius: 18px;
  background: var(--deep);
  color: #ffffff;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-about .honor-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(26, 26, 46, 0.35);
}

.page-about .honor-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, transparent 50%, rgba(255, 215, 0, 0.12) 50%);
}

.page-about .honor-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-about .honor-card h3 {
  font-size: 20px;
  font-weight: 800;
  margin: 0;
  color: #ffffff;
}

.page-about .honor-card p {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.78);
  margin: 0;
}

.page-about .honor-note {
  margin-top: 24px;
  font-size: 14px;
  color: var(--muted);
}

.page-about .honor-note a {
  color: var(--primary);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.page-about .honor-note a:hover {
  border-bottom-color: var(--primary);
}

/* 团队与文化 */
.page-about .about-team {
  margin-bottom: 0;
}

.page-about .team-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
}

.page-about .team-desc {
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
  margin: 16px 0 0;
  max-width: 560px;
}

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

.page-about .team-values li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-about .team-values li:hover {
  border-color: var(--primary);
  box-shadow: 0 8px 20px var(--shadow);
}

.page-about .value-num {
  font-size: 28px;
  font-weight: 900;
  font-family: var(--font-num);
  color: var(--primary);
  line-height: 1;
  transform: skewX(-5deg);
  flex-shrink: 0;
}

.page-about .value-body h3 {
  font-size: 16px;
  font-weight: 800;
  margin: 0 0 4px;
}

.page-about .value-body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
}

.page-about .team-image {
  margin: 0;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 12px 32px var(--shadow);
}

.page-about .team-image img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

@media (min-width: 768px) {
  .page-about {
    padding: 40px 32px 120px;
  }

  .page-about .hero-grid {
    grid-template-columns: 7fr 5fr;
    align-items: center;
    gap: 48px;
  }

  .page-about .hero-title {
    font-size: clamp(44px, 5vw, 72px);
  }

  .page-about .stats-layout {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
  }

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

  .page-about .timeline-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    column-gap: 48px;
    padding-left: 0;
    padding-bottom: 56px;
  }

  .page-about .timeline-item::before {
    left: 223px;
  }

  .page-about .timeline-item::after {
    left: 215px;
    top: 16px;
  }

  .page-about .timeline-year {
    font-size: 80px;
    text-align: right;
    transform: none;
    margin-bottom: 0;
    padding-top: 4px;
  }

  .page-about .timeline-card {
    padding: 24px 28px;
  }

  .page-about .honors-layout {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }

  .page-about .team-layout {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
  }

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

@media (min-width: 1024px) {
  .page-about .stats-grid {
    gap: 20px;
  }

  .page-about .stat-card {
    padding: 28px;
  }

  .page-about .timeline-item {
    grid-template-columns: 240px 1fr;
    column-gap: 56px;
  }

  .page-about .timeline-item::before {
    left: 267px;
  }

  .page-about .timeline-item::after {
    left: 259px;
  }

  .page-about .honor-card {
    padding: 40px 36px;
  }
}