.page-about {
  --about-line: rgba(8, 32, 51, .12);
  --about-line-gold: rgba(201, 162, 74, .28);
  --about-body: #43505e;
  background: var(--paper);
  color: var(--ink);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-about .about-crumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(22px, 4vw, 40px);
  padding: 0;
  list-style: none;
  font-size: 13px;
  letter-spacing: .04em;
  color: rgba(247, 243, 234, .55);
}
.page-about .about-crumb li { display: inline-flex; align-items: center; gap: 8px; }
.page-about .about-crumb li + li::before { content: "/"; color: rgba(201, 162, 74, .5); }
.page-about .about-crumb a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}
.page-about .about-crumb a:hover,
.page-about .about-crumb a:focus-visible {
  color: var(--gold-300);
  border-bottom-color: var(--gold-300);
}
.page-about .about-crumb a:focus-visible { outline: 2px solid var(--coral); outline-offset: 3px; }
.page-about .about-crumb [aria-current="page"] { color: var(--gold-300); }

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + clamp(36px, 6vw, 76px));
  padding-bottom: clamp(48px, 8vw, 96px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(31, 92, 122, .55) 0%, rgba(8, 32, 51, 0) 62%),
    var(--blue-900);
  color: var(--paper);
}
.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: -14%;
  right: -14%;
  bottom: -42%;
  height: 66%;
  background: linear-gradient(180deg, rgba(31, 92, 122, .5), rgba(8, 32, 51, 0));
  transform: skewY(-6deg);
  pointer-events: none;
  z-index: 0;
}
.page-about .about-hero__year {
  position: absolute;
  right: -4%;
  bottom: -14%;
  z-index: 0;
  font-family: var(--font-num);
  font-size: clamp(150px, 30vw, 360px);
  font-weight: 900;
  line-height: .78;
  letter-spacing: -.05em;
  color: rgba(201, 162, 74, .085);
  pointer-events: none;
  user-select: none;
}
.page-about .about-hero__inner { position: relative; z-index: 1; }

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  grid-template-columns: minmax(0, 1fr);
}

.page-about .about-hero .eyebrow { color: var(--gold-300); }

.page-about .about-hero h1 {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  font-size: clamp(32px, 6.2vw, 72px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.02em;
}
.page-about .about-hero h1 em {
  font-style: normal;
  color: var(--gold-500);
  position: relative;
}
.page-about .about-hero h1 em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: .06em;
  height: .12em;
  background: var(--gold-500);
  opacity: .28;
}

.page-about .about-hero__lede {
  margin: 0 0 clamp(24px, 3vw, 32px);
  max-width: 60ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: rgba(247, 243, 234, .84);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-about .about-hero__actions .btn-ghost {
  color: var(--paper);
  border: 1px solid rgba(247, 243, 234, .42);
  background: transparent;
}
.page-about .about-hero__actions .btn-ghost:hover,
.page-about .about-hero__actions .btn-ghost:focus-visible {
  border-color: var(--gold-500);
  color: var(--gold-300);
}

.page-about .about-hero__panel {
  position: relative;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid rgba(201, 162, 74, .34);
  border-radius: var(--radius);
  background: rgba(247, 243, 234, .06);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-card);
}
.page-about .about-hero__panel::before {
  content: "";
  position: absolute;
  top: -1px;
  left: clamp(20px, 3vw, 28px);
  width: 48px;
  height: 2px;
  background: var(--gold-500);
}
.page-about .about-hero__panel-title {
  margin: 0 0 18px;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--gold-300);
}
.page-about .about-hero__panel-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-about .about-hero__panel-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(247, 243, 234, .1);
  font-size: 14px;
  line-height: 1.6;
  color: rgba(247, 243, 234, .9);
}
.page-about .about-hero__panel-idx {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold-500);
}
.page-about .about-hero__panel-foot {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(247, 243, 234, .58);
}

/* ---------- 首屏数据条 ---------- */
.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(34px, 5vw, 62px) 0 0;
  background: rgba(201, 162, 74, .3);
  border-top: 1px solid rgba(201, 162, 74, .3);
  border-bottom: 1px solid rgba(201, 162, 74, .3);
}
.page-about .about-stats > div {
  padding: 18px 16px;
  background: var(--blue-900);
}
.page-about .about-stats dt {
  font-size: 12px;
  letter-spacing: .1em;
  color: rgba(247, 243, 234, .52);
  margin-bottom: 8px;
}
.page-about .about-stats dd {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 700;
  color: var(--gold-500);
  letter-spacing: -.01em;
}

/* ---------- 品牌历程 ---------- */
.page-about .about-origin__grid {
  display: grid;
  gap: clamp(30px, 5vw, 60px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}
.page-about .about-origin .section-title { margin-bottom: 18px; }
.page-about .about-origin__body p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--about-body);
}
.page-about .about-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-700);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-500);
  padding-bottom: 3px;
  transition: color .25s var(--ease), gap .25s var(--ease);
}
.page-about .about-link::after { content: "→"; color: var(--gold-500); }
.page-about .about-link:hover,
.page-about .about-link:focus-visible { color: var(--coral); gap: 14px; }
.page-about .about-link:focus-visible { outline: 2px solid var(--coral); outline-offset: 3px; }

.page-about .about-origin__figure {
  margin: 0;
  padding: 10px;
  background: var(--paper);
  border: 1px solid var(--about-line);
  box-shadow: var(--shadow-card);
}
.page-about .about-origin__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}
.page-about .about-origin__cap {
  margin: 12px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--gold-500);
  font-size: 13px;
  line-height: 1.75;
  color: var(--grey-400);
}

/* ---------- 服务网络 ---------- */
.page-about .about-network {
  background: var(--blue-900);
  color: var(--paper);
}
.page-about .about-network .eyebrow { color: var(--gold-300); }
.page-about .about-network .section-title { color: var(--paper); margin-bottom: 16px; }
.page-about .about-network .section-lede {
  max-width: 66ch;
  margin: 0 0 clamp(28px, 4vw, 44px);
  color: rgba(247, 243, 234, .74);
  line-height: 1.85;
}
.page-about .about-network__grid {
  display: grid;
  gap: clamp(28px, 4.5vw, 48px);
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
}

.page-about .about-map {
  position: relative;
  padding: clamp(10px, 2vw, 20px);
  border: 1px solid rgba(201, 162, 74, .22);
  border-radius: var(--radius);
  background-color: rgba(247, 243, 234, .03);
  background-image: radial-gradient(rgba(201, 162, 74, .16) 1px, transparent 1px);
  background-size: 22px 22px;
}
.page-about .about-map__svg { display: block; width: 100%; height: auto; }
.page-about .about-map__coast {
  fill: none;
  stroke: rgba(201, 162, 74, .22);
  stroke-width: 1;
  stroke-dasharray: 4 7;
}
.page-about .about-map__route {
  fill: none;
  stroke: rgba(201, 162, 74, .55);
  stroke-width: 1.6;
}
.page-about .about-map__ring {
  fill: none;
  stroke: rgba(191, 214, 210, .32);
  stroke-width: 1;
  stroke-dasharray: 3 5;
}
.page-about .about-map__node circle {
  fill: var(--blue-900);
  stroke: var(--gold-500);
  stroke-width: 2;
  transform-box: fill-box;
  transform-origin: center;
  transition: transform .25s var(--ease), fill .25s var(--ease);
}
.page-about .about-map__node text {
  fill: var(--paper);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
}
.page-about .about-map__node:hover circle { transform: scale(1.28); fill: var(--gold-500); }
.page-about .about-map__district circle {
  fill: var(--mist);
  transition: fill .25s var(--ease);
}
.page-about .about-map__district text {
  fill: rgba(247, 243, 234, .72);
  font-family: var(--font-sans);
  font-size: 13px;
}
.page-about .about-map__district:hover circle { fill: var(--gold-300); }

.page-about .about-network__list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-about .about-zone {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(201, 162, 74, .18);
}
.page-about .about-zone:first-child { border-top: 1px solid rgba(201, 162, 74, .18); }
.page-about .about-zone__idx {
  grid-row: span 2;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold-500);
  padding-top: 4px;
}
.page-about .about-zone__name {
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}
.page-about .about-zone__meta {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(247, 243, 234, .62);
}

/* ---------- 团队与调度 ---------- */
.page-about .about-team__grid {
  display: grid;
  gap: clamp(28px, 4.5vw, 56px);
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
}
.page-about .about-team__figure {
  margin: 0;
  border: 1px solid var(--about-line);
  background: var(--paper);
  padding: 10px;
  box-shadow: var(--shadow-card);
}
.page-about .about-team__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.page-about .about-team__cap {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--grey-400);
}
.page-about .about-team__body p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--about-body);
}
.page-about .about-team__body .section-title { margin-bottom: 18px; }

.page-about .about-team__points {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}
.page-about .about-team__points li {
  padding: 4px 0 4px 14px;
  border-left: 2px solid var(--gold-500);
  font-size: 13px;
  line-height: 1.6;
  color: var(--about-body);
}
.page-about .about-team__points strong {
  display: block;
  font-family: var(--font-num);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--blue-900);
  margin-bottom: 2px;
}

/* ---------- 服务标准 ---------- */
.page-about .about-standard__head { margin-bottom: clamp(28px, 4vw, 44px); }
.page-about .about-standard .section-title { margin-bottom: 16px; }
.page-about .about-standard .section-lede {
  max-width: 62ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--about-body);
}

.page-about .about-steps {
  display: grid;
  gap: 26px;
  grid-template-columns: minmax(0, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-about .about-step {
  position: relative;
  padding-top: 24px;
  border-top: 2px solid var(--about-line);
  transition: border-color .3s var(--ease);
}
.page-about .about-step::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold-500);
  transition: transform .3s var(--ease), background .3s var(--ease);
}
.page-about .about-step:hover { border-top-color: var(--gold-500); }
.page-about .about-step:hover::before { transform: scale(1.3); background: var(--coral); }
.page-about .about-step__num {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gold-500);
}
.page-about .about-step h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--blue-900);
}
.page-about .about-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--about-body);
}

.page-about .about-kit {
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  margin-top: clamp(32px, 5vw, 56px);
  padding: clamp(18px, 3vw, 30px);
  border: 1px solid var(--about-line);
  border-left: 3px solid var(--gold-500);
  background: rgba(191, 214, 210, .18);
}
.page-about .about-kit__figure { margin: 0; }
.page-about .about-kit__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}
.page-about .about-kit__body h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--blue-900);
}
.page-about .about-kit__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--about-body);
}

/* ---------- 荣誉与协作 ---------- */
.page-about .about-honors {
  background:
    radial-gradient(100% 80% at 12% 100%, rgba(31, 92, 122, .5) 0%, rgba(8, 32, 51, 0) 70%),
    var(--blue-900);
  color: var(--paper);
}
.page-about .about-honors .eyebrow { color: var(--gold-300); }
.page-about .about-honors .section-title { color: var(--paper); margin-bottom: 16px; }
.page-about .about-honors .section-lede {
  max-width: 62ch;
  margin: 0 0 clamp(28px, 4vw, 46px);
  color: rgba(247, 243, 234, .74);
  line-height: 1.85;
}
.page-about .about-honors__grid {
  display: grid;
  gap: clamp(16px, 2.5vw, 24px);
  grid-template-columns: minmax(0, 1fr);
}
.page-about .about-glass {
  position: relative;
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid rgba(201, 162, 74, .34);
  border-radius: var(--radius);
  background: rgba(247, 243, 234, .07);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  transition: border-color .3s var(--ease), background .3s var(--ease), transform .3s var(--ease);
}
.page-about .about-glass:hover,
.page-about .about-glass:focus-within {
  border-color: var(--gold-500);
  background: rgba(247, 243, 234, .13);
  transform: translateY(-4px);
}
.page-about .about-glass:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 3px;
  box-shadow: 0 0 0 5px rgba(8, 32, 51, .65);
}
.page-about .about-glass__tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 10px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--gold-300);
  background: rgba(201, 162, 74, .14);
  border: 1px solid rgba(201, 162, 74, .32);
}
.page-about .about-glass h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
}
.page-about .about-glass p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247, 243, 234, .72);
}

/* ---------- 发展时间线 ---------- */
.page-about .about-timeline__head { margin-bottom: clamp(28px, 4vw, 44px); }
.page-about .about-timeline .section-title { margin-bottom: 0; }

.page-about .about-tl {
  position: relative;
  margin: 0;
  padding: 0 0 0 34px;
  list-style: none;
}
.page-about .about-tl::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--gold-500), rgba(201, 162, 74, .14));
}
.page-about .about-tl__item {
  position: relative;
  padding-bottom: clamp(26px, 3.5vw, 38px);
}
.page-about .about-tl__item:last-child { padding-bottom: 0; }
.page-about .about-tl__item::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--gold-500);
  transition: transform .28s var(--ease), background .28s var(--ease), border-color .28s var(--ease);
}
.page-about .about-tl__item:hover::before,
.page-about .about-tl__item:focus-within::before {
  background: var(--coral);
  border-color: var(--coral);
  transform: scale(1.2);
}
.page-about .about-tl__year {
  margin: 0 0 6px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold-500);
}
.page-about .about-tl__item h3 {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 700;
  color: var(--blue-900);
}
.page-about .about-tl__item p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--about-body);
}

/* ---------- 结尾行动区 ---------- */
.page-about .about-cta {
  position: relative;
  padding-block: clamp(48px, 7vw, 88px);
  background: var(--blue-700);
  color: var(--paper);
  overflow: hidden;
}
.page-about .about-cta::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -12%;
  width: 46%;
  height: 160%;
  background: rgba(201, 162, 74, .1);
  transform: skewX(-12deg);
  pointer-events: none;
}
.page-about .about-cta__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 26px;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
}
.page-about .about-cta h2 {
  margin: 0 0 12px;
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -.01em;
}
.page-about .about-cta p {
  margin: 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(247, 243, 234, .78);
}
.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-about .about-cta__actions .btn-ghost {
  color: var(--paper);
  border: 1px solid rgba(247, 243, 234, .42);
  background: transparent;
}
.page-about .about-cta__actions .btn-ghost:hover,
.page-about .about-cta__actions .btn-ghost:focus-visible {
  border-color: var(--gold-500);
  color: var(--gold-300);
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 640px) {
  .page-about .about-stats > div { padding: 22px 20px; }
  .page-about .about-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-about .about-honors__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-about .about-honors__grid > :nth-child(even) { margin-top: 32px; }
  .page-about .about-kit { grid-template-columns: 240px minmax(0, 1fr); }
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
  }
  .page-about .about-stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  }
  .page-about .about-origin__figure { margin-top: 18px; }
  .page-about .about-network__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  }
  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }
  .page-about .about-team__figure { margin-top: -16px; }
  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1.3fr) auto;
  }
  .page-about .about-cta__actions { justify-content: flex-end; }
}

@media (min-width: 1080px) {
  .page-about .about-steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0 22px;
  }
  .page-about .about-glass { padding: 30px; }
}

/* ---------- 减少动态偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-about .about-step,
  .page-about .about-step::before,
  .page-about .about-glass,
  .page-about .about-map__node circle,
  .page-about .about-map__district circle,
  .page-about .about-tl__item::before,
  .page-about .about-link {
    transition: none;
  }
  .page-about .about-glass:hover,
  .page-about .about-glass:focus-within,
  .page-about .about-map__node:hover circle,
  .page-about .about-tl__item:hover::before {
    transform: none;
  }
}
<<<END>>>