.page-about {
  --about-panel-bg: linear-gradient(165deg, rgba(255, 255, 255, 0.94), rgba(242, 217, 160, 0.14));
  --about-body-text: #394152;
  --about-lede-text: #3A4557;
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-about .breadcrumb {
  padding: 22px 0 6px;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: 6px 0 52px;
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(212, 175, 106, 0.18) 0%, rgba(251, 248, 242, 0) 58%),
    var(--warm-white);
  overflow: hidden;
}

.page-about .about-hero__grid {
  display: grid;
  gap: 32px;
}

.page-about .about-hero__panel {
  position: relative;
  padding: 26px 22px 30px;
  border: 1px solid var(--line-gold);
  background: var(--about-panel-bg);
}

.page-about .about-hero__panel::before,
.page-about .about-hero__panel::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid var(--champagne);
  pointer-events: none;
}

.page-about .about-hero__panel::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-about .about-hero__panel::after {
  right: -1px;
  bottom: -1px;
  border-top: 0;
  border-left: 0;
}

.page-about .about-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(27px, 6.2vw, 44px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--deep-sea);
}

.page-about .about-hero__lede {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.76;
  color: var(--about-lede-text);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
  margin: 30px 0 0;
  padding: 24px 0 0;
  border-top: 1px solid var(--line-gold);
}

.page-about .about-hero__stat dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mid-gray);
}

.page-about .about-hero__stat dd {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  line-height: 1.5;
  color: var(--deep-sea);
}

.page-about .about-hero__stat .numeral {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 900;
  line-height: 1;
  color: var(--champagne);
  margin-right: 2px;
}

.page-about .about-hero__figure {
  position: relative;
}

/* ---------- 通用章节 ---------- */
.page-about .genesis,
.page-about .team {
  padding: 64px 0 60px;
  background: var(--warm-white);
}

.page-about .scope {
  padding: 64px 0 68px;
  background: var(--light-gray);
}

.page-about .trust {
  padding: 62px 0 66px;
  background: var(--warm-white);
}

.page-about .section-head {
  max-width: 780px;
}

.page-about .section-head__title {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--deep-sea);
}

/* ---------- 起点 ---------- */
.page-about .genesis__body {
  max-width: 760px;
  margin-top: 26px;
  font-size: 16px;
  line-height: 1.86;
  color: var(--about-body-text);
}

.page-about .genesis__body p + p {
  margin-top: 18px;
}

.page-about .pillars {
  display: grid;
  gap: 18px;
  margin-top: 40px;
}

.page-about .pillar {
  position: relative;
  padding: 26px 22px 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--champagne);
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-about .pillar:hover {
  box-shadow: var(--shadow-soft);
  transform: translateY(-2px);
}

.page-about .pillar__label {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--champagne);
}

.page-about .pillar__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--about-body-text);
}

/* ---------- 服务范围 ---------- */
.page-about .scope-grid {
  display: grid;
  gap: 1px;
  margin-top: 34px;
  background: rgba(11, 31, 58, 0.12);
  border: 1px solid rgba(11, 31, 58, 0.12);
}

.page-about .scope-cell {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 22px 30px;
  background: var(--warm-white);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-about .scope-cell:hover {
  background: #fff;
  box-shadow: inset 0 0 0 1px var(--line-gold);
}

.page-about .scope-cell__no {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
  color: var(--champagne);
}

.page-about .scope-cell__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--deep-sea);
}

.page-about .scope-cell__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--about-body-text);
}

.page-about .scope__foot {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(11, 31, 58, 0.14);
}

.page-about .scope__foot-text {
  margin: 0;
  max-width: 680px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--about-body-text);
}

.page-about .scope__foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 发展历程 ---------- */
.page-about .voyage {
  position: relative;
  padding: 64px 0 70px;
  background: var(--deep-sea);
  color: var(--warm-white);
  overflow: hidden;
}

.page-about .voyage::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212, 175, 106, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 175, 106, 0.09) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.page-about .voyage > .shell {
  position: relative;
  z-index: 1;
}

.page-about .voyage__head .section-head__title {
  color: var(--warm-white);
}

.page-about .voyage__head .section-head__note {
  color: rgba(251, 248, 242, 0.74);
}

.page-about .voyage__figure {
  margin-top: 36px;
}

.page-about .timeline {
  position: relative;
  margin: 44px 0 0;
  padding: 0 0 0 30px;
  list-style: none;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  top: 6px;
  bottom: 10px;
  left: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--champagne) 0%, rgba(212, 175, 106, 0.14) 100%);
}

.page-about .timeline__item {
  position: relative;
  padding-bottom: 34px;
}

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

.page-about .timeline__item::before {
  content: "";
  position: absolute;
  top: 5px;
  left: -37px;
  width: 14px;
  height: 14px;
  background: var(--deep-sea);
  border: 1px solid var(--champagne);
  transform: rotate(45deg);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-about .timeline__item:hover::before {
  background: var(--coral);
  border-color: var(--coral);
}

.page-about .timeline__phase {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--champagne);
}

.page-about .timeline__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--warm-white);
}

.page-about .timeline__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(251, 248, 242, 0.78);
}

/* ---------- 团队 ---------- */
.page-about .team-layout {
  display: grid;
  gap: 32px;
  margin-top: 38px;
}

.page-about .team__figure {
  margin: 0;
}

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

.page-about .team-list__item {
  padding: 20px 0 22px;
  border-top: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease);
}

.page-about .team-list__item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-about .team-list__item:hover {
  border-top-color: var(--champagne);
}

.page-about .team-list__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--deep-sea);
}

.page-about .team-list__text {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--about-body-text);
}

/* ---------- 资质与信任 ---------- */
.page-about .trust__list {
  margin-top: 34px;
}

.page-about .trust__list .data-list__key {
  font-weight: 700;
  color: var(--deep-sea);
}

.page-about .trust__list .data-list__val {
  color: var(--about-body-text);
}

.page-about .trust__list .copy-btn {
  margin-left: 10px;
}

/* ---------- 收尾 ---------- */
.page-about .cta-band {
  padding: 0 0 72px;
  background: var(--light-gray);
}

.page-about .cta-band__inner {
  position: relative;
  padding: 40px 26px 44px;
  background: linear-gradient(135deg, var(--deep-sea) 0%, var(--ink-navy) 58%, #1C3A5E 100%);
  color: var(--warm-white);
  overflow: hidden;
}

.page-about .cta-band__inner::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 240px;
  height: 240px;
  border: 1px dashed rgba(212, 175, 106, 0.42);
  border-radius: 50%;
  pointer-events: none;
}

.page-about .cta-band__inner > * {
  position: relative;
  z-index: 1;
}

.page-about .cta-band__eyebrow {
  color: var(--champagne);
}

.page-about .cta-band__title {
  margin: 12px 0 0;
  max-width: 720px;
  font-family: var(--font-display);
  font-size: clamp(22px, 4.4vw, 32px);
  font-weight: 800;
  line-height: 1.4;
  color: var(--warm-white);
}

.page-about .cta-band__text {
  margin: 16px 0 0;
  max-width: 640px;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(251, 248, 242, 0.8);
}

.page-about .cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about .scope-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .scope__foot {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
}

@media (min-width: 768px) {
  .page-about .pillars {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .team-layout {
    gap: 40px;
  }

  .page-about .cta-band__inner {
    padding: 52px 48px 56px;
  }
}

@media (min-width: 940px) {
  .page-about .about-hero {
    padding: 10px 0 72px;
  }

  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 52px;
    align-items: stretch;
    padding-top: 28px;
  }

  .page-about .about-hero__panel {
    padding: 40px 40px 44px;
  }

  .page-about .about-hero__stats {
    gap: 24px;
  }

  .page-about .genesis,
  .page-about .team,
  .page-about .scope,
  .page-about .voyage,
  .page-about .trust {
    padding-top: 84px;
    padding-bottom: 84px;
  }

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

  .page-about .timeline {
    padding-left: 44px;
    margin-top: 52px;
  }

  .page-about .timeline__item::before {
    left: -51px;
  }

  .page-about .team-layout {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .team__figure {
    position: sticky;
    top: calc(var(--rail-w) + 28px);
  }

  .page-about .cta-band {
    padding-bottom: 88px;
  }
}

@media (min-width: 1100px) {
  .page-about .about-hero__grid {
    gap: 64px;
  }

  .page-about .trust__list {
    margin-top: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .pillar,
  .page-about .scope-cell,
  .page-about .team-list__item,
  .page-about .timeline__item::before {
    transition: none;
  }

  .page-about .pillar:hover {
    transform: none;
  }
}
<<<END>>>