.page-about {
  --about-line-soft: rgba(242, 245, 250, .12);
  --about-warm-line: rgba(22, 35, 63, .14);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-about .breadcrumbs {
  padding-top: clamp(16px, 2.6vw, 26px);
}
.page-about .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--muted);
}
.page-about .crumbs li {
  display: inline-flex;
  align-items: center;
}
.page-about .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-copper-strong);
}
.page-about .crumbs a {
  color: var(--muted);
  text-decoration: none;
  transition: color var(--t-fast);
}
.page-about .crumbs a:hover {
  color: var(--cinnabar-hi);
}
.page-about .crumbs [aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding-bottom: clamp(30px, 4.5vw, 52px);
}
.page-about .about-hero__inner {
  position: relative;
  max-width: 44rem;
  padding-left: clamp(0px, 2.2vw, 30px);
}
.page-about .about-hero__inner::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--copper), rgba(200, 155, 74, 0));
}
.page-about .about-hero .display--xl {
  margin: 14px 0 20px;
  line-height: 1.12;
  letter-spacing: .01em;
}
.page-about .about-hero .lede {
  max-width: 34rem;
  margin: 0 0 18px;
  color: var(--paper);
}
.page-about .about-hero .prose {
  max-width: 34rem;
  margin: 0;
  color: var(--muted);
}
.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

/* ---------- 关键数据条 ---------- */
.page-about .about-metrics {
  padding-bottom: clamp(40px, 6vw, 76px);
}
.page-about .metric-bar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-radius: 16px;
  border: 1px solid var(--line-copper);
}
.page-about .metric {
  padding: 20px clamp(18px, 2.4vw, 26px);
  border-top: 1px solid var(--about-line-soft);
}
.page-about .metric:first-child {
  border-top: 0;
}
.page-about .metric__value {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 0;
}
.page-about .metric__num {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 4.2vw, 2.15rem);
  font-weight: 800;
  line-height: 1;
  color: var(--paper);
  letter-spacing: .02em;
}
.page-about .metric__unit {
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--copper);
}
.page-about .metric__label {
  margin: 10px 0 0;
  font-size: 12.5px;
  letter-spacing: .06em;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 发展历程 ---------- */
.page-about .about-timeline {
  padding: clamp(46px, 7vw, 88px) 0;
}
.page-about .about-timeline .section-title {
  margin: 10px 0 14px;
}
.page-about .about-timeline .prose {
  max-width: 34rem;
  margin: 0;
  color: var(--muted);
}
.page-about .timeline-strip {
  margin-top: clamp(26px, 4vw, 44px);
  padding-bottom: 18px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-color: var(--copper) rgba(242, 245, 250, .08);
}
.page-about .timeline-strip:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: 6px;
}
.page-about .timeline {
  display: flex;
  align-items: stretch;
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: max-content;
}
.page-about .timeline__item {
  position: relative;
  width: min(76vw, 292px);
  padding: 34px 26px 6px 0;
  scroll-snap-align: start;
}
.page-about .timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  right: 6px;
  top: 9px;
  height: 1px;
  background: var(--line-copper-strong);
}
.page-about .timeline__item:last-child::before {
  right: 40%;
  background: linear-gradient(90deg, var(--line-copper-strong), rgba(200, 155, 74, 0));
}
.page-about .timeline__dot {
  position: absolute;
  left: 0;
  top: 4px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--jade);
  box-shadow: 0 0 0 4px rgba(47, 183, 155, .16);
}
.page-about .timeline__year {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3.4vw, 2rem);
  font-weight: 800;
  line-height: 1;
  color: var(--copper);
  letter-spacing: .02em;
}
.page-about .timeline__title {
  margin: 14px 0 8px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--paper);
}
.page-about .timeline__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}
.page-about .timeline__item--feature {
  width: min(86vw, 360px);
}
.page-about .timeline__media {
  margin: 18px 0 0;
}
.page-about .timeline__media img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 10px;
}

/* ---------- 图片通用 ---------- */
.page-about .media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  border-radius: 12px;
}
.page-about .media__caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--muted);
}
.page-about .band--light .media__caption {
  color: var(--warm-text);
}

/* ---------- 团队规模 ---------- */
.page-about .about-people {
  padding: clamp(46px, 7vw, 90px) 0;
}
.page-about .people-lead {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 46px);
  align-items: start;
}
.page-about .people-lead .section-title {
  margin: 10px 0 14px;
}
.page-about .people-lead .prose {
  max-width: 32rem;
  margin: 0;
  color: var(--muted);
}
.page-about .scope-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(20px, 3vw, 28px) 0 4px;
}
.page-about .people-total {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 14px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-copper);
}
.page-about .people-total .data {
  font-family: var(--font-mono);
  font-size: clamp(3rem, 10vw, 5.2rem);
  font-weight: 800;
  line-height: .92;
  letter-spacing: .02em;
  color: var(--cinnabar);
}
.page-about .people-total .figure__unit {
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--muted);
}
.page-about .people-lead__media .media {
  margin: 0;
}

/* ---------- 双角度数据面板 ---------- */
.page-about .scope-panels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: clamp(32px, 5vw, 54px);
}
.page-about .scope-panel {
  border: 1px solid var(--about-line-soft);
  border-radius: 16px;
  padding: clamp(18px, 3vw, 28px);
  background: var(--ink-800);
  scroll-margin-top: 130px;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.page-about .scope-panel:target {
  border-color: var(--cinnabar);
  box-shadow: 0 0 0 1px rgba(226, 84, 42, .32), 0 20px 44px -30px rgba(226, 84, 42, .7);
}
.page-about .scope-panel__title {
  margin: 0 0 8px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--paper);
}
.page-about .scope-panel__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}
.page-about .scope-panel__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-top: 20px;
}
.page-about .bar-chart {
  width: 100%;
  height: auto;
  display: block;
}
.page-about .bar {
  fill: var(--copper);
}
.page-about .bar--lead {
  fill: var(--cinnabar);
}
.page-about .bars__legend {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-about .bars__legend li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 7px 0;
  border-bottom: 1px solid var(--about-line-soft);
  font-size: 14.5px;
  color: var(--paper);
}
.page-about .bars__value,
.page-about .bars__val {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--copper);
}
.page-about .bars__legend li.is-lead .bars__val {
  color: var(--cinnabar-hi);
}

/* ---------- 岗位与仓储 ---------- */
.page-about .about-roles {
  padding: clamp(46px, 7vw, 88px) 0;
}
.page-about .about-roles .section-title {
  margin: 10px 0 14px;
}
.page-about .about-roles .key-line {
  max-width: 40rem;
  margin: 0 0 clamp(24px, 4vw, 40px);
}
.page-about .role-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}
.page-about .role-panel {
  background: var(--ink-850);
  border-radius: 16px;
  padding: clamp(16px, 2.6vw, 26px);
}
.page-about .role-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}
.page-about .role-table th,
.page-about .role-table td {
  text-align: left;
  padding: 13px 12px;
  vertical-align: top;
}
.page-about .role-table thead th {
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .1em;
  color: var(--muted);
  border-bottom: 1px solid var(--line-copper);
}
.page-about .role-table tbody th {
  font-weight: 600;
  color: var(--paper);
  white-space: nowrap;
}
.page-about .role-table tbody td {
  color: var(--muted);
  line-height: 1.7;
  border-bottom: 1px solid var(--about-line-soft);
}
.page-about .role-table td.num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--copper);
  white-space: nowrap;
}
.page-about .role-table tbody tr {
  transition: background var(--t-fast);
}
.page-about .role-table tbody tr:hover {
  background: var(--glass);
}
.page-about .role-aside {
  display: grid;
  gap: 20px;
}
.page-about .role-aside .media {
  margin: 0;
}
.page-about .aside-block {
  padding-left: 16px;
  border-left: 1px solid var(--copper);
}
.page-about .aside-block__title {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--warm-ink);
}
.page-about .aside-block__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--warm-text);
}

/* ---------- 老用户 ---------- */
.page-about .about-members {
  padding: clamp(46px, 7vw, 88px) 0;
}
.page-about .about-members .section-title {
  margin: 10px 0 14px;
}
.page-about .about-members .prose {
  max-width: 34rem;
  margin: 0;
  color: var(--muted);
}
.page-about .members-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(26px, 4vw, 42px);
}
.page-about .member-card {
  position: relative;
  padding: clamp(20px, 3vw, 28px);
  border-radius: 16px;
  border: 1px solid var(--line-copper);
  background: var(--glass);
  backdrop-filter: blur(6px);
  transition: border-color var(--t-fast), background var(--t-fast);
}
.page-about .member-card:hover {
  border-color: var(--line-copper-strong);
  background: var(--glass-strong);
}
.page-about .member-card__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .14em;
  color: var(--copper);
  margin-bottom: 14px;
}
.page-about .member-card__title {
  margin: 0 0 10px;
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--paper);
}
.page-about .member-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}
.page-about .member-card--cta {
  border-color: var(--cinnabar);
  background: var(--glass-strong);
}
.page-about .member-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* ---------- 西南枢纽 ---------- */
.page-about .about-hub {
  padding: clamp(44px, 6.5vw, 82px) 0;
}
.page-about .hub-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}
.page-about .about-hub .section-title {
  margin: 10px 0 14px;
}
.page-about .about-hub .prose {
  max-width: 34rem;
  margin: 0 0 14px;
  color: var(--muted);
}
.page-about .hub-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-copper);
}
.page-about .hub-fact {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--about-line-soft);
}
.page-about .hub-fact__num {
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 5vw, 2.4rem);
  font-weight: 800;
  line-height: 1;
  color: var(--jade);
  letter-spacing: .02em;
  min-width: 3.2rem;
}
.page-about .hub-fact__label {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 合作与联系 ---------- */
.page-about .about-compliance {
  padding: clamp(46px, 7vw, 88px) 0;
}
.page-about .about-compliance .section-title {
  margin: 10px 0 clamp(24px, 4vw, 38px);
}
.page-about .compliance-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border-top: 1px solid var(--about-warm-line);
}
.page-about .compliance-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--about-warm-line);
}
.page-about .compliance-item__title {
  margin: 0 0 8px;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .1em;
  color: var(--copper);
}
.page-about .compliance-item__value {
  margin: 0;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.7;
  color: var(--warm-ink);
  word-break: break-word;
}
.page-about .compliance-item__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--warm-text);
}

/* ---------- 继续浏览 ---------- */
.page-about .next-title {
  margin: clamp(36px, 5vw, 56px) 0 16px;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--warm-ink);
}
.page-about .next-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-about .next-card {
  border: 1px solid var(--about-warm-line);
  border-radius: 14px;
  transition: border-color var(--t-fast), background var(--t-fast), transform var(--t-fast);
}
.page-about .next-card:hover {
  border-color: var(--cinnabar);
  background: rgba(226, 84, 42, .05);
  transform: translateY(-2px);
}
.page-about .next-card__link {
  display: block;
  padding: 18px 20px;
  text-decoration: none;
}
.page-about .next-card__label {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--warm-ink);
}
.page-about .next-card__desc {
  display: block;
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--warm-text);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-about .metric-bar {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-about .metric:nth-child(2) {
    border-top: 0;
  }
  .page-about .metric:nth-child(2n) {
    padding-left: 26px;
    border-left: 1px solid var(--about-line-soft);
  }
  .page-about .members-grid,
  .page-about .next-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-about .compliance-grid {
    grid-template-columns: repeat(2, 1fr);
    column-gap: clamp(20px, 3vw, 40px);
  }
  .page-about .hub-facts {
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--line-copper);
  }
  .page-about .hub-fact {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 18px 16px;
    border-bottom: 0;
    border-left: 1px solid var(--about-line-soft);
  }
  .page-about .hub-fact:first-child {
    border-left: 0;
  }
}

@media (min-width: 900px) {
  .page-about .people-lead {
    grid-template-columns: 1.08fr .92fr;
  }
  .page-about .scope-panels {
    grid-template-columns: 1fr 1fr;
  }
  .page-about .scope-panel__body {
    grid-template-columns: 1.25fr .75fr;
    align-items: center;
  }
  .page-about .role-grid {
    grid-template-columns: 1.35fr .65fr;
    align-items: start;
  }
  .page-about .hub-grid {
    grid-template-columns: 7fr 3fr;
  }
  .page-about .members-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-about .member-card--cta {
    grid-column: span 3;
    display: grid;
    grid-template-columns: 1.6fr .9fr;
    column-gap: clamp(24px, 3vw, 44px);
    align-items: center;
  }
  .page-about .member-card--cta .member-card__title {
    grid-column: 1;
  }
  .page-about .member-card--cta .member-card__text {
    grid-column: 1;
  }
  .page-about .member-card--cta .member-card__actions {
    grid-column: 2;
    grid-row: 1 / span 2;
    justify-content: flex-start;
    margin-top: 0;
  }
  .page-about .next-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-about .metric-bar {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-about .metric {
    border-top: 0;
    border-left: 1px solid var(--about-line-soft);
  }
  .page-about .metric:first-child {
    border-left: 0;
  }
  .page-about .metric:nth-child(2n) {
    border-left: 1px solid var(--about-line-soft);
  }
}
<<<END>>>