.page-about {
  --about-rail-x: 13px;
  --about-node: 26px;
  --about-pad: 52px;
  padding-bottom: 72px;
  background:
    radial-gradient(120% 60% at 88% -10%, rgba(217, 182, 92, .14), transparent 62%),
    var(--paper);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding: 28px 0 8px;
}

.page-about .breadcrumb {
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--stone);
}

.page-about .breadcrumb a {
  color: var(--green-800);
  text-decoration: none;
  border-bottom: 1px solid rgba(176, 138, 62, .4);
}

.page-about .breadcrumb a:hover {
  color: var(--gold-600);
}

.page-about .breadcrumb-sep {
  margin: 0 8px;
  color: var(--gold-600);
}

.page-about .hero-frame {
  position: relative;
  border: var(--line-hair);
  border-radius: var(--radius-lg);
  padding: 34px 56px 30px 36px;
  background:
    linear-gradient(150deg, rgba(176, 138, 62, .1), transparent 55%),
    var(--paper);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

.page-about .hero-frame::after {
  content: "";
  position: absolute;
  top: 22px;
  right: 18px;
  bottom: 22px;
  width: 9px;
  background-image: repeating-linear-gradient(to bottom, var(--gold-600) 0 1px, transparent 1px 11px);
  opacity: .45;
  pointer-events: none;
}

.page-about .hero-frame .eyebrow {
  color: var(--gold-600);
}

.page-about .hero-frame h1 {
  margin: 10px 0 16px;
  color: var(--green-900);
  max-width: 20em;
}

.page-about .hero-frame .t-lead {
  max-width: 44em;
  color: var(--ink);
}

.page-about .hero-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--line-hair);
}

.page-about .hero-fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px 12px;
  border-top: var(--line-soft);
}

.page-about .hero-fact:nth-child(1),
.page-about .hero-fact:nth-child(2) {
  border-top: none;
}

.page-about .hero-fact + .hero-fact {
  border-left: var(--line-soft);
}

.page-about .hero-fact:nth-child(3) {
  border-left: none;
}

.page-about .fact-num {
  font-size: 20px;
  font-weight: 600;
  color: var(--gold-600);
  letter-spacing: .04em;
}

.page-about .fact-label {
  font-size: 14px;
  color: var(--stone);
}

/* ---------- 起点叙事 ---------- */
.page-about .origin-grid {
  align-items: start;
  gap: 32px;
}

.page-about .origin-text p {
  margin: 0 0 16px;
  color: var(--ink);
}

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

.page-about .origin-text h2 {
  margin: 8px 0 18px;
  color: var(--green-900);
}

.page-about .origin-side {
  display: grid;
  gap: 18px;
}

.page-about .origin-plate {
  border-radius: var(--radius-lg);
  padding: 24px;
  border: var(--line-hair);
}

.page-about .plate-k {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--green-600);
  text-transform: uppercase;
}

.page-about .plate-v {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 600;
  color: var(--green-900);
  letter-spacing: -.01em;
}

.page-about .plate-note {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--stone);
}

.page-about .origin-card {
  border-radius: var(--radius-md);
  padding: 22px 24px;
  border-left: 3px solid var(--gold-600);
}

/* ---------- 时间线 ---------- */
.page-about .about-timeline {
  padding-top: 8px;
}

.page-about .timeline-figure {
  margin: 0 0 40px;
}

.page-about .timeline-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: var(--line-hair);
  filter: saturate(.85) contrast(1.02);
}

.page-about .timeline-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--stone);
}

.page-about .tl-list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 var(--about-pad);
}

.page-about .tl-list::before {
  content: "";
  position: absolute;
  left: var(--about-rail-x);
  top: 10px;
  bottom: 10px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--gold-600) 0%, rgba(176, 138, 62, .18) 88%, transparent 100%);
}

.page-about .tl-item {
  position: relative;
  padding-bottom: 40px;
}

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

.page-about .tl-node {
  position: absolute;
  left: calc(var(--about-pad) * -1);
  top: 2px;
  width: var(--about-node);
  height: var(--about-node);
  display: block;
  transition: transform var(--ease);
}

.page-about .tl-node svg {
  display: block;
  width: 100%;
  height: 100%;
}

.page-about .tl-item:hover .tl-node,
.page-about .tl-item:focus-within .tl-node {
  transform: translateY(-2px) scale(1.08);
}

.page-about .tl-body {
  padding: 4px 0 0;
}

.page-about .tl-item:nth-child(even) .tl-body {
  background: var(--card);
  border-radius: var(--radius-md);
  padding: 20px 24px 22px;
  box-shadow: var(--shadow-1);
}

.page-about .tl-step {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cinnabar);
}

.page-about .tl-body h3 {
  margin: 0 0 10px;
  color: var(--green-900);
}

.page-about .tl-body p {
  margin: 0;
  color: var(--ink);
}

/* ---------- 四条准则 ---------- */
.page-about .creed-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: var(--line-hair);
}

.page-about .creed-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 24px 16px 24px 8px;
  border-bottom: var(--line-hair);
  border-radius: var(--radius-sm);
  outline: none;
  transition: background var(--ease), box-shadow var(--ease), transform var(--ease);
}

.page-about .creed-item:hover {
  background: rgba(234, 227, 212, .6);
  transform: translateY(-2px);
}

.page-about .creed-item:focus-visible {
  box-shadow: 0 0 0 2px var(--gold-400), 0 0 0 5px rgba(217, 182, 92, .28);
  background: var(--mist);
}

.page-about .creed-seal {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 9px;
  background: var(--cinnabar);
  color: var(--paper);
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 600;
  transform: rotate(-3deg);
  box-shadow: inset 0 0 0 1px rgba(245, 241, 232, .4);
}

.page-about .creed-body h3 {
  margin: 2px 0 8px;
  color: var(--green-900);
}

.page-about .creed-body p {
  margin: 0;
  color: var(--ink);
  max-width: 52em;
}

/* ---------- 内容团队 ---------- */
.page-about .team-grid {
  align-items: center;
  gap: 36px;
}

.page-about .team-figure {
  margin: 0;
}

.page-about .team-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: var(--line-hair);
}

.page-about .team-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--stone);
}

.page-about .team-text h2 {
  margin: 8px 0 18px;
  color: var(--green-900);
}

.page-about .team-text p {
  margin: 0 0 16px;
  color: var(--ink);
}

.page-about .team-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 服务规模 ---------- */
.page-about .scale-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: var(--line-hair);
  background: var(--green-800);
  padding: 30px 28px 28px;
}

.page-about .scale-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .28;
  pointer-events: none;
}

.page-about .scale-grid {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(217, 182, 92, .28);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-about .scale-cell {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 22px 20px;
  background: rgba(12, 34, 29, .82);
}

.page-about .scale-num {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 600;
  color: var(--gold-400);
  letter-spacing: -.01em;
}

.page-about .scale-unit {
  font-size: 13px;
  letter-spacing: .08em;
  color: rgba(245, 241, 232, .72);
}

.page-about .scale-note {
  position: relative;
  margin: 20px 0 0;
  max-width: 52em;
  color: rgba(245, 241, 232, .82);
  font-size: 16px;
  line-height: 1.75;
}

/* ---------- 房间平衡 ---------- */
.page-about .balance-card {
  border-radius: var(--radius-lg);
  padding: 34px 30px;
  background:
    linear-gradient(160deg, rgba(176, 138, 62, .18), transparent 58%),
    var(--green-900);
  display: grid;
  gap: 24px;
}

.page-about .balance-eyebrow {
  margin: 0 0 10px;
  color: var(--gold-400);
}

.page-about .balance-head h2 {
  margin: 0;
  color: var(--paper);
  max-width: 22em;
}

.page-about .balance-body p {
  margin: 0 0 16px;
  color: rgba(245, 241, 232, .86);
  max-width: 52em;
}

.page-about .balance-body p:last-of-type {
  margin-bottom: 0;
}

.page-about .balance-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-about .balance-ghost {
  color: var(--paper);
  border-color: rgba(217, 182, 92, .55);
}

.page-about .balance-ghost:hover {
  color: var(--green-900);
  background: var(--gold-400);
  border-color: var(--gold-400);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-about .hero-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .hero-fact:nth-child(3) {
    border-left: var(--line-soft);
  }

  .page-about .hero-fact:nth-child(n + 3) {
    border-top: none;
  }

  .page-about .tl-list {
    padding-left: 64px;
  }

  .page-about .tl-item:nth-child(even) {
    margin-left: 40px;
  }

  .page-about .tl-item:nth-child(even) .tl-body {
    padding: 22px 26px 24px;
  }

  .page-about .scale-wrap {
    padding: 40px 36px 34px;
  }

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

  .page-about .balance-card {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    padding: 42px 44px;
  }
}

@media (min-width: 1000px) {
  .page-about .hero-frame {
    padding: 44px 72px 36px 44px;
  }

  .page-about .origin-grid,
  .page-about .team-grid {
    gap: 48px;
  }

  .page-about .scale-num {
    font-size: 34px;
  }
}

@media (max-width: 759px) {
  .page-about .hero-frame {
    padding: 24px 34px 22px 22px;
  }

  .page-about .hero-frame::after {
    right: 12px;
    top: 18px;
    bottom: 18px;
  }

  .page-about .tl-item:nth-child(even) .tl-body {
    padding: 18px 18px 20px;
  }

  .page-about .creed-item {
    gap: 14px;
    padding: 20px 8px 20px 4px;
  }

  .page-about .creed-seal {
    width: 36px;
    height: 36px;
    font-size: 18px;
  }

  .page-about .scale-num {
    font-size: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .tl-node,
  .page-about .creed-item {
    transition: none;
  }

  .page-about .tl-item:hover .tl-node,
  .page-about .tl-item:focus-within .tl-node,
  .page-about .creed-item:hover {
    transform: none;
  }
}
<<<END>>>