.page-about {
  --about-arch: clamp(56px, 13vw, 180px);
  --about-text: var(--ink);
  background: var(--ivory);
  color: var(--about-text);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* 面包屑 */
.page-about .breadcrumb {
  padding-top: clamp(18px, 3vw, 30px);
}
.page-about .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  letter-spacing: 0.02em;
}
.page-about .breadcrumb-item {
  display: inline-flex;
  align-items: center;
}
.page-about .breadcrumb-item:not(:last-child)::after {
  content: "/";
  margin-left: 8px;
  color: var(--mist);
}
.page-about .breadcrumb-link {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}
.page-about .breadcrumb-link:hover,
.page-about .breadcrumb-link:focus-visible {
  border-bottom-color: var(--gold);
}

/* 首屏 */
.page-about .about-hero {
  padding-bottom: clamp(40px, 6vw, 84px);
}
.page-about .about-hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  padding-top: clamp(18px, 3.5vw, 44px);
}
.page-about .about-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(34px, 6.2vw, 66px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--teal-deep);
}
.page-about .about-hero-lead {
  max-width: 36em;
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  font-size: clamp(16px, 1.55vw, 18px);
  line-height: 1.9;
}
.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

/* 速览 */
.page-about .about-facts {
  background: var(--cream);
  border: 1px solid var(--line-gold-soft);
  border-radius: var(--r-md);
  padding: clamp(18px, 3vw, 28px);
  box-shadow: var(--shadow-soft);
}
.page-about .about-facts-title {
  margin: 0 0 16px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brick);
}
.page-about .about-facts-list {
  display: grid;
  gap: 12px;
  margin: 0;
}
.page-about .about-fact {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--line-gold-soft);
}
.page-about .about-fact:first-child {
  padding-top: 0;
  border-top: 0;
}
.page-about .about-fact-value {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--teal);
}
.page-about .about-fact-label {
  font-size: 13px;
  line-height: 1.5;
  text-align: right;
  color: var(--ink);
}

.page-about .about-hero-figure {
  margin: clamp(28px, 5vw, 58px) 0 0;
  border: 1px solid var(--line-gold-soft);
  border-radius: var(--about-arch) var(--about-arch) var(--r-md) var(--r-md);
  overflow: hidden;
  background: var(--cream);
}
.page-about .about-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 14 / 8;
  object-fit: cover;
}

/* 品牌起点 */
.page-about .about-origin-grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  align-items: start;
}
.page-about .about-body-text {
  margin: 18px 0 0;
  font-size: 16.5px;
  line-height: 1.95;
  color: var(--ink);
}
.page-about .about-quote {
  margin: 0;
  padding: clamp(22px, 3.4vw, 34px);
  background: var(--cream);
  border-left: 3px solid var(--coral);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  font-family: var(--font-serif);
  font-size: clamp(18px, 2.1vw, 23px);
  line-height: 1.72;
  color: var(--teal-deep);
}

/* 时间轴 */
.page-about .about-timeline {
  position: relative;
  display: grid;
  gap: 4px;
  margin: clamp(26px, 4vw, 46px) 0 0;
  padding: 0;
  list-style: none;
}
.page-about .about-timeline-item {
  position: relative;
  padding: 0 0 22px 26px;
  border-left: 1px solid var(--line-gold-soft);
}
.page-about .about-timeline-item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}
.page-about .about-timeline-item::before {
  content: "";
  position: absolute;
  top: 8px;
  left: -6px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px var(--cream);
  transition: transform 0.25s ease, background 0.25s ease;
}
.page-about .about-timeline-item:hover::before {
  transform: scale(1.3);
  background: var(--coral);
}
.page-about .about-timeline-year {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 19px;
  letter-spacing: 0.02em;
  color: var(--brick);
}
.page-about .about-timeline-title {
  margin: 6px 0 8px;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--teal-deep);
}
.page-about .about-timeline-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
}

/* 服务网络 */
.page-about .about-network-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(24px, 4vw, 42px);
  align-items: center;
}
.page-about .about-network-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 240px;
  padding: clamp(20px, 4vw, 38px);
  border-radius: var(--r-lg);
  background: linear-gradient(158deg, var(--teal) 0%, var(--teal-deep) 100%);
}
.page-about .about-network-visual svg {
  display: block;
  width: 100%;
  max-width: 360px;
  height: auto;
}
.page-about .about-region-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-about .about-region {
  padding: 14px 16px;
  border: 1px solid var(--line-ink);
  border-radius: var(--r-md);
  background: var(--ivory);
  transition: border-color 0.25s ease, background 0.25s ease, transform 0.25s ease;
}
.page-about .about-region:hover,
.page-about .about-region:focus,
.page-about .about-region:focus-visible,
.page-about .about-region:focus-within {
  border-color: var(--gold);
  background: var(--cream);
  transform: translateX(3px);
  outline: none;
}
.page-about .about-region-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.page-about .about-region-name {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--teal);
}
.page-about .about-region-tag {
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brick);
}
.page-about .about-region-text {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

/* 团队 */
.page-about .about-team .eyebrow {
  color: var(--gold);
}
.page-about .about-team .section-title {
  color: var(--ivory);
}
.page-about .about-team .section-lead {
  color: var(--ivory);
  opacity: 0.82;
}
.page-about .about-team-grid {
  display: grid;
  gap: clamp(26px, 4vw, 50px);
  align-items: start;
}
.page-about .about-role-list {
  display: grid;
  gap: 14px;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  list-style: none;
}
.page-about .about-role {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--line-light);
}
.page-about .about-role-num {
  padding-top: 3px;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gold);
}
.page-about .about-role-name {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  color: var(--ivory);
}
.page-about .about-role-text {
  margin: 5px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ivory);
  opacity: 0.82;
}
.page-about .about-team-figure {
  margin: 0;
  border: 1px solid var(--line-light);
  border-radius: var(--r-lg) var(--r-lg) var(--r-sm) var(--r-sm);
  overflow: hidden;
  background: var(--teal-deep);
}
.page-about .about-team-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* 合作生态 */
.page-about .about-partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
}
.page-about .about-partner {
  padding: 18px 20px;
  background: var(--ivory);
  border: 1px solid var(--line-gold-soft);
  border-radius: var(--r-md);
}
.page-about .about-partner-name {
  margin: 0 0 7px;
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--teal-deep);
}
.page-about .about-partner-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink);
}
.page-about .about-honor {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-top: clamp(22px, 3.6vw, 38px);
  padding: clamp(18px, 3vw, 28px);
  border-radius: var(--r-md);
  background: var(--teal);
  color: var(--ivory);
}
.page-about .about-honor-mark {
  font-size: 26px;
  line-height: 1;
  color: var(--gold);
}
.page-about .about-honor-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
}

/* 城市灵感 */
.page-about .about-visual-grid {
  display: grid;
  gap: clamp(24px, 4vw, 50px);
  align-items: center;
}
.page-about .about-visual-figure {
  margin: 0;
  border: 1px solid var(--line-gold-soft);
  border-radius: var(--r-lg) var(--r-sm) var(--r-lg) var(--r-sm);
  overflow: hidden;
  background: var(--cream);
}
.page-about .about-visual-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

/* 收尾入口 */
.page-about .about-cta .section-lead {
  max-width: 40em;
}
.page-about .about-cta-links {
  display: grid;
  gap: 12px;
  margin-top: clamp(24px, 3.4vw, 34px);
}
.page-about .about-cta-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 18px;
  background: var(--ivory);
  border: 1px solid var(--line-gold-soft);
  border-radius: var(--r-sm);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.6;
  text-decoration: none;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.page-about .about-cta-link:hover,
.page-about .about-cta-link:focus-visible {
  border-color: var(--coral);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
  outline: none;
}
.page-about .about-cta-arrow {
  flex: none;
  font-size: 17px;
  color: var(--coral);
  transition: transform 0.25s ease;
}
.page-about .about-cta-link:hover .about-cta-arrow,
.page-about .about-cta-link:focus-visible .about-cta-arrow {
  transform: translateX(4px);
}

/* 桌面增强 */
@media (min-width: 720px) {
  .page-about .about-partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-about .about-cta-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.72fr);
    align-items: end;
  }
  .page-about .about-facts {
    margin-bottom: 6px;
  }
  .page-about .about-origin-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(36px, 5vw, 68px);
  }
  .page-about .about-quote {
    margin-top: 40px;
  }
  .page-about .about-timeline {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 22px;
    padding-top: 26px;
  }
  .page-about .about-timeline::before {
    content: "";
    position: absolute;
    top: 5px;
    left: 8px;
    right: 8px;
    height: 1px;
    background: linear-gradient(90deg, var(--gold) 0%, var(--line-gold-soft) 100%);
  }
  .page-about .about-timeline-item {
    padding: 0;
    border-left: 0;
  }
  .page-about .about-timeline-item::before {
    top: -26px;
    left: 0;
  }
  .page-about .about-network-grid {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
    gap: clamp(32px, 4.5vw, 60px);
  }
  .page-about .about-team-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
  .page-about .about-team-figure {
    margin-top: 8px;
  }
  .page-about .about-visual-grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  }
}

@media (min-width: 1040px) {
  .page-about .about-partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-about .about-cta-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }
  .page-about .about-cta-link {
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-between;
    min-height: 132px;
    padding: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-region,
  .page-about .about-cta-link,
  .page-about .about-cta-arrow,
  .page-about .about-timeline-item::before {
    transition: none;
  }
  .page-about .about-region:hover,
  .page-about .about-region:focus,
  .page-about .about-cta-link:hover,
  .page-about .about-cta-link:focus-visible {
    transform: none;
  }
}
<<<END>>>