.page-about {
  --about-index-w: 196px;
  --about-node-gap: 26px;
  color: var(--ink-900);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: 28px 0 40px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(880px 420px at 90% 4%, rgba(201, 154, 62, 0.2), transparent 62%),
    radial-gradient(720px 380px at 4% 98%, rgba(27, 53, 90, 0.12), transparent 60%),
    var(--paper-50);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(15, 36, 64, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 36, 64, 0.05) 1px, transparent 1px);
  background-size: 58px 58px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.65), transparent 76%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.65), transparent 76%);
  pointer-events: none;
}

.page-about .about-hero-grid {
  position: relative;
  display: grid;
  gap: 26px;
}

.page-about .about-hero-main {
  display: grid;
  gap: 12px;
}

.page-about .breadcrumb {
  margin-bottom: 4px;
}

.page-about .about-hero-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(28px, 7.2vw, 48px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  max-width: 20em;
}

.page-about .about-hero-lede {
  margin: 0;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.page-about .about-hero-media {
  border-radius: var(--radius-l);
  overflow: hidden;
  box-shadow: 0 28px 62px -42px rgba(15, 36, 64, 0.62);
}

.page-about .about-hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .about-hero-stats {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 32px;
}

.page-about .about-stat {
  position: relative;
  padding: 20px 16px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: rgba(255, 255, 255, 0.62);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.page-about .about-stat::after {
  content: "";
  position: absolute;
  top: 0;
  left: 16px;
  width: 26px;
  height: 2px;
  background: var(--gold-500);
}

.page-about .about-stat-num {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(26px, 6.4vw, 40px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  font-variant-numeric: tabular-nums;
}

.page-about .about-stat-num em {
  font-style: normal;
  font-size: 0.48em;
  font-weight: 700;
  margin-left: 3px;
  color: var(--gold-500);
}

.page-about .about-stat-label {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--gray-500);
}

/* ---------- 主体骨架 ---------- */
.page-about .about-shell {
  display: grid;
  gap: 30px;
  padding-top: 40px;
  padding-bottom: 56px;
}

.page-about .about-index {
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .about-index-title {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--gray-500);
}

.page-about .about-index .index-nav-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-about .about-index .index-nav-list li {
  flex: 0 0 auto;
}

.page-about .index-nav-link {
  display: block;
  padding: 4px 2px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--ink-soft);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-about .index-nav-link:hover {
  color: var(--ink-900);
}

.page-about .index-nav-link.is-active,
.page-about .index-nav-link[aria-current="true"] {
  color: var(--ink-900);
  font-weight: 700;
  border-bottom-color: var(--gold-500);
}

.page-about .about-body {
  display: grid;
  gap: 52px;
  min-width: 0;
}

.page-about .about-section {
  scroll-margin-top: calc(var(--header-h) + 82px);
}

.page-about .about-sec-head {
  display: grid;
  gap: 8px;
  padding-bottom: 18px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-sec-head .section-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(21px, 4.6vw, 30px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-about .about-sec-head .section-lead {
  margin: 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray-500);
}

.page-about .about-prose p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-about .about-prose p:last-child {
  margin-bottom: 0;
}

.page-about .about-quote {
  position: relative;
  margin-top: 24px;
  padding: 20px 22px 20px 26px;
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold-500);
  background: linear-gradient(120deg, rgba(240, 217, 168, 0.32), rgba(255, 255, 255, 0.7));
}

.page-about .about-quote p {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(16px, 3.6vw, 20px);
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--ink-900);
}

/* ---------- 迭代历程 ---------- */
.page-about .about-timeline {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 10px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold-500) 0%, rgba(27, 53, 90, 0.28) 62%, rgba(27, 53, 90, 0.06) 100%);
}

.page-about .about-node {
  position: relative;
  padding: 0 0 var(--about-node-gap) 44px;
}

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

.page-about .about-node::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 20px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--paper-50);
  border: 2px solid var(--ink-700);
}

.page-about .about-node--current::before {
  border-color: var(--gold-500);
  background: var(--gold-500);
  box-shadow: 0 0 0 4px rgba(201, 154, 62, 0.18);
}

.page-about .about-node-card {
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: #fff;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-about .about-node-card:hover {
  border-color: var(--gold-500);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.page-about .about-node-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.page-about .about-node-stage {
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--gray-500);
}

.page-about .about-node-title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink-900);
}

.page-about .about-node-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 服务能力 ---------- */
.page-about .about-scale-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-about .about-scale-item {
  padding: 20px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: #fff;
}

.page-about .about-scale-item--hero {
  grid-column: span 2;
  position: relative;
  overflow: hidden;
  border-color: transparent;
  background: linear-gradient(148deg, var(--ink-900) 0%, var(--ink-700) 66%, #25436f 100%);
}

.page-about .about-scale-item--hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.page-about .about-scale-item--hero > * {
  position: relative;
  z-index: 1;
}

.page-about .about-scale-num {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(34px, 9vw, 56px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ink-900);
  font-variant-numeric: tabular-nums;
}

.page-about .about-scale-num em {
  font-style: normal;
  font-size: 0.34em;
  font-weight: 700;
  margin-left: 6px;
  letter-spacing: 0.02em;
  color: var(--gold-500);
}

.page-about .about-scale-item--hero .about-scale-num {
  color: var(--gold-200);
}

.page-about .about-scale-item--hero .about-scale-num em {
  color: #fff;
}

.page-about .about-scale-label {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-900);
}

.page-about .about-scale-item--hero .about-scale-label {
  color: #fff;
  font-size: 16px;
}

.page-about .about-scale-text {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--gray-500);
}

.page-about .about-scale-item--hero .about-scale-text {
  color: rgba(255, 255, 255, 0.82);
  max-width: 42em;
}

.page-about .about-facts {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-facts li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: var(--gray-100);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-about .about-facts .status-dot {
  flex: 0 0 auto;
  margin-top: 7px;
}

/* ---------- 团队分工 ---------- */
.page-about .about-team-media {
  margin-bottom: 20px;
}

.page-about .about-team-media .media-frame {
  border-radius: var(--radius-l);
  overflow: hidden;
}

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

.page-about .about-roles {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .about-role {
  position: relative;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: rgba(255, 255, 255, 0.58);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  transition: border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-about .about-role:hover {
  border-color: var(--gold-500);
  background: #fff;
}

.page-about .about-role-num {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--gold-500);
}

.page-about .about-role-title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink-900);
}

.page-about .about-role-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 安全与合规 ---------- */
.page-about .about-comply {
  display: grid;
  gap: 22px;
}

.page-about .about-comply-media .media-frame {
  border-radius: var(--radius-l);
  overflow: hidden;
}

.page-about .about-comply-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.page-about .about-comply-list li {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--ink-700);
  border-radius: var(--radius-s);
  background: #fff;
}

.page-about .about-comply-list h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink-900);
}

.page-about .about-comply-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 合作生态 ---------- */
.page-about .about-partners {
  display: grid;
  gap: 14px;
}

.page-about .about-partner {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--paper-50);
}

.page-about .about-partner h3 {
  margin: 14px 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink-900);
}

.page-about .about-partner p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 结尾引导 ---------- */
.page-about .about-cta {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(760px 360px at 14% 12%, rgba(201, 154, 62, 0.16), transparent 64%),
    linear-gradient(160deg, #162f52 0%, var(--ink-900) 78%);
}

.page-about .about-cta-inner {
  display: grid;
  gap: 22px;
  padding-top: 46px;
  padding-bottom: 52px;
}

.page-about .about-cta-copy h2 {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: clamp(22px, 5vw, 32px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: #fff;
}

.page-about .about-cta-copy p {
  margin: 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.78);
}

.page-about .about-cta-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-about .about-cta-actions .link-arrow {
  color: var(--gold-200);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about .about-hero {
    padding-top: 40px;
    padding-bottom: 52px;
  }

  .page-about .about-hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-top: 38px;
  }

  .page-about .about-stat {
    padding: 22px 18px 18px;
  }

  .page-about .about-roles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-partners {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-comply {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .page-about .about-node-head {
    gap: 14px;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: center;
    gap: 48px;
  }

  .page-about .about-hero-lede {
    font-size: 16.5px;
  }

  .page-about .about-scale-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-about .about-scale-item--hero {
    grid-column: span 2;
    padding: 28px 26px;
  }

  .page-about .about-scale-item {
    padding: 24px 22px;
  }

  .page-about .about-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .page-about .about-node {
    padding-left: 52px;
  }

  .page-about .about-cta-inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: center;
    gap: 40px;
    padding-top: 56px;
    padding-bottom: 60px;
  }

  .page-about .about-cta-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1000px) {
  .page-about .about-shell {
    grid-template-columns: var(--about-index-w) minmax(0, 1fr);
    gap: 54px;
    padding-top: 60px;
    padding-bottom: 78px;
  }

  .page-about .about-index {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
    max-height: calc(100vh - var(--header-h) - 56px);
    overflow-y: auto;
    padding: 20px 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius-l);
    background: rgba(255, 255, 255, 0.55);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
  }

  .page-about .about-index .index-nav-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }

  .page-about .about-index .index-nav-list li {
    flex: 1 1 auto;
  }

  .page-about .index-nav-link {
    padding: 9px 12px;
    font-size: 14px;
    white-space: normal;
    border-bottom: 0;
    border-left: 2px solid transparent;
    border-radius: 0 var(--radius-s) var(--radius-s) 0;
  }

  .page-about .index-nav-link.is-active,
  .page-about .index-nav-link[aria-current="true"] {
    border-bottom-color: transparent;
    border-left-color: var(--gold-500);
    background: rgba(240, 217, 168, 0.28);
  }

  .page-about .about-body {
    gap: 64px;
  }

  .page-about .about-roles {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-about .about-partners {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}
</｜｜DSML｜｜ parameter>
</invoke>
</result>