.page-about {
  background: var(--blue-900);
  color: var(--sand-050);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-about .section-title,
.page-about .team-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 4.4vw, 2.6rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 0 0 14px;
}

.page-about .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan-500);
}

.page-about .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 面包屑 ---------- */
.page-about .about-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  color: var(--on-dark-dim);
}

.page-about .about-crumb li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-about .about-crumb li + li::before {
  content: "/";
  color: var(--mist-400);
}

.page-about .about-crumb a {
  color: var(--cyan-300);
  text-decoration: none;
}

.page-about .about-crumb a:hover {
  color: var(--cyan-500);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding: calc(var(--header-h) + 40px) 0 56px;
  background:
    radial-gradient(120% 82% at 88% -12%, rgba(32, 215, 232, 0.16), rgba(6, 26, 43, 0) 62%),
    radial-gradient(92% 70% at 6% 112%, rgba(255, 107, 74, 0.1), rgba(6, 26, 43, 0) 64%),
    var(--blue-900);
}

.page-about .about-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6.4vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0 0 20px;
  max-width: 17ch;
}

.page-about .about-lede {
  max-width: 58ch;
  margin: 0 0 38px;
  font-size: clamp(0.98rem, 1.6vw, 1.1rem);
  line-height: 1.82;
  color: var(--on-dark);
}

.page-about .about-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-about .metric {
  background: rgba(11, 41, 66, 0.72);
  padding: 18px 16px 20px;
}

.page-about .metric-num {
  display: block;
  font-size: clamp(1.7rem, 5vw, 2.5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan-300);
}

.page-about .metric-unit {
  font-size: 0.72em;
  margin-left: 2px;
  color: var(--cyan-500);
}

.page-about .metric-label {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--on-dark-dim);
}

/* ---------- 品牌故事 ---------- */
.page-about .about-story {
  padding: 60px 0 64px;
  background: var(--blue-800);
  border-top: 1px solid var(--line-soft);
}

.page-about .story-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  margin-top: 32px;
}

.page-about .year-track {
  margin: 0;
  padding: 0 0 0 20px;
  list-style: none;
  border-left: 1px solid var(--line-soft);
  display: grid;
  gap: 24px;
}

.page-about .year-track li {
  position: relative;
  display: grid;
  gap: 5px;
}

.page-about .year-track li::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 5px;
  width: 9px;
  height: 9px;
  background: var(--blue-900);
  border: 1px solid var(--cyan-300);
  transform: rotate(45deg);
  transition: background-color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-about .year-track li:hover::before {
  background: var(--coral-500);
  border-color: var(--coral-500);
}

.page-about .year-num {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--coral-500);
}

.page-about .year-note {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--on-dark);
}

.page-about .media {
  margin: 0;
  border: 1px solid var(--line-soft);
  background: var(--ink-950);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

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

.page-about .media--wide img {
  aspect-ratio: 14 / 9;
}

.page-about .media-caption {
  margin: 0;
  padding: 10px 14px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--on-dark-dim);
}

.page-about .story-copy {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-about .story-copy p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--on-dark);
}

.page-about .story-copy strong {
  color: var(--sand-050);
  font-weight: 700;
}

/* ---------- 服务范围（浅色带） ---------- */
.page-about .about-scope {
  padding: 68px 0 72px;
  background: var(--sand-050);
  color: var(--blue-900);
}

.page-about .about-scope .eyebrow {
  color: #0a6b78;
}

.page-about .scope-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: center;
  margin-bottom: 34px;
}

.page-about .scope-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 4.4vw, 2.7rem);
  line-height: 1.1;
  letter-spacing: -0.018em;
  margin: 0 0 14px;
  max-width: 22ch;
  color: var(--ink-950);
}

.page-about .scope-intro {
  margin: 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: #23445c;
}

.page-about .scope-map {
  max-width: 262px;
  margin: 0 auto;
}

.page-about .scope-map svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .scope-map .q-frame {
  fill: none;
  stroke: rgba(6, 26, 43, 0.26);
  stroke-width: 1;
}

.page-about .scope-map .q-axis {
  stroke: rgba(6, 26, 43, 0.14);
  stroke-width: 1;
}

.page-about .scope-map .q-dot {
  fill: var(--coral-500);
}

.page-about .scope-map .q-label {
  fill: var(--blue-900);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-about .scope-map .q-sub {
  fill: var(--mist-400);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
}

.page-about .scope-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-about .scope-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 18px;
  background: #ffffff;
  border: 1px solid rgba(6, 26, 43, 0.12);
  border-top: 3px solid var(--cyan-500);
  box-shadow: 0 18px 30px -28px rgba(3, 17, 28, 0.55);
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease), border-top-color 0.28s var(--ease);
}

.page-about .scope-card:hover,
.page-about .scope-card:focus-within {
  transform: translateY(-4px);
  border-top-color: var(--coral-500);
  box-shadow: 0 26px 42px -28px rgba(3, 17, 28, 0.5);
}

.page-about .scope-card-index {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--mist-400);
}

.page-about .scope-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ink-950);
}

.page-about .scope-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.78;
  color: #2c4a60;
}

.page-about .scope-card-audience {
  margin: auto -8px 0;
  padding: 10px 8px 0;
  border-top: 1px dashed rgba(6, 26, 43, 0.16);
  font-size: 12px;
  line-height: 1.6;
  color: #0a6b78;
  transition: color 0.28s var(--ease), background-color 0.28s var(--ease);
}

.page-about .scope-card:hover .scope-card-audience {
  color: #c33c1d;
  background: rgba(255, 107, 74, 0.08);
}

.page-about .scope-footer {
  margin: 28px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: #2c4a60;
}

.page-about .scope-footer a {
  color: #0a6b78;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .scope-footer a:hover {
  color: #c33c1d;
}

/* ---------- 数据流程 ---------- */
.page-about .about-data {
  padding: 66px 0 70px;
  background: var(--blue-900);
  border-top: 1px solid var(--line-soft);
}

.page-about .data-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

.page-about .data-intro {
  margin: 0;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--on-dark);
}

.page-about .data-steps {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .data-step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 18px 0;
  border-top: 1px solid var(--line-soft);
}

.page-about .data-steps li:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-about .step-num {
  padding-top: 3px;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--coral-500);
}

.page-about .data-step h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--sand-050);
}

.page-about .data-step p {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--on-dark);
}

.page-about .data-note {
  margin: 22px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--cyan-500);
  background: rgba(32, 215, 232, 0.07);
  font-size: 12.5px;
  line-height: 1.78;
  color: var(--on-dark);
}

.page-about .data-figure {
  align-self: start;
}

/* ---------- 团队与生态（浅色留白带） ---------- */
.page-about .about-team {
  padding: 74px 0 78px;
  background: var(--sand-050);
  color: var(--blue-900);
}

.page-about .about-team .eyebrow {
  color: #0a6b78;
}

.page-about .team-title {
  color: var(--ink-950);
  max-width: 24ch;
}

.page-about .team-intro {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: #23445c;
}

.page-about .team-bars {
  display: grid;
  gap: 20px;
  max-width: 760px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .team-bar-item {
  display: grid;
  gap: 8px;
}

.page-about .team-bar-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

.page-about .team-bar-name {
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink-950);
}

.page-about .team-bar-num {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--blue-900);
}

.page-about .team-bar-num small {
  margin-left: 4px;
  font-size: 11px;
  font-weight: 400;
  color: var(--mist-400);
}

.page-about .team-bar-track {
  display: block;
  height: 6px;
  background: rgba(6, 26, 43, 0.1);
  overflow: hidden;
}

.page-about .team-bar-fill {
  display: block;
  height: 100%;
}

.page-about .fill-a {
  width: 34%;
  background: linear-gradient(90deg, var(--cyan-500), var(--cyan-300));
}

.page-about .fill-b {
  width: 21%;
  background: linear-gradient(90deg, var(--coral-500), #ff9877);
}

.page-about .fill-c {
  width: 46%;
  background: linear-gradient(90deg, var(--green-500), #8ae0a4);
}

.page-about .eco-block {
  margin-top: 62px;
}

.page-about .eco-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 3vw, 1.5rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink-950);
}

.page-about .eco-intro {
  margin: 0;
  max-width: 62ch;
  font-size: 13.5px;
  line-height: 1.85;
  color: #23445c;
}

.page-about .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 22px;
}

.page-about .filter-btn {
  appearance: none;
  padding: 7px 14px;
  border: 1px solid rgba(6, 26, 43, 0.18);
  border-radius: 999px;
  background: transparent;
  color: #2c4a60;
  font-family: var(--font-body);
  font-size: 12.5px;
  line-height: 1.2;
  cursor: pointer;
  transition: background-color 0.22s var(--ease), color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-about .filter-btn:hover {
  border-color: var(--cyan-500);
  color: var(--blue-900);
}

.page-about .filter-btn[aria-pressed="true"] {
  background: var(--blue-900);
  border-color: var(--blue-900);
  color: var(--sand-050);
}

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

.page-about .eco-card {
  display: grid;
  gap: 9px;
  padding: 20px;
  background: #ffffff;
  border: 1px solid rgba(6, 26, 43, 0.12);
  border-left: 3px solid var(--green-500);
  box-shadow: 0 16px 28px -26px rgba(3, 17, 28, 0.5);
}

.page-about .eco-card .tag {
  justify-self: start;
  padding: 3px 8px;
  border: 1px solid rgba(67, 200, 107, 0.5);
  background: rgba(67, 200, 107, 0.1);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: #1d7a3f;
}

.page-about .eco-card h4 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ink-950);
}

.page-about .eco-card p {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: #2c4a60;
}

.page-about .eco-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist-400);
}

.page-about .eco-figure {
  margin-top: 34px;
}

.page-about .eco-figure img {
  aspect-ratio: 3 / 2;
}

.page-about .eco-figure .media-caption {
  color: #4b6b80;
  border-top-color: rgba(6, 26, 43, 0.12);
}

/* ---------- 荣誉 ---------- */
.page-about .about-honor {
  padding: 66px 0 76px;
  background: var(--ink-950);
  border-top: 1px solid var(--line-soft);
}

.page-about .honor-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

.page-about .honor-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .honor-item {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 15px 0;
  border-top: 1px solid var(--line-soft);
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--on-dark);
}

.page-about .honor-list li:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-about .honor-item::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 7px;
  background: var(--coral-500);
  transform: rotate(45deg);
}

.page-about .honor-cta p {
  margin: 0 0 16px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--on-dark);
}

.page-about .cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.page-about .honor-contact {
  font-size: 12.5px;
  color: var(--on-dark-dim);
}

.page-about .honor-contact a {
  color: var(--cyan-300);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .honor-contact a:hover {
  color: var(--cyan-500);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-about .scope-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-about .about-hero {
    padding: calc(var(--header-h) + 56px) 0 72px;
  }

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

  .page-about .about-story {
    padding: 76px 0 82px;
  }

  .page-about .story-layout {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 52px;
    margin-top: 40px;
  }

  .page-about .scope-head {
    grid-template-columns: minmax(0, 1fr) 262px;
    gap: 48px;
    margin-bottom: 42px;
  }

  .page-about .scope-map {
    margin: 0;
    justify-self: end;
  }

  .page-about .about-scope {
    padding: 82px 0 86px;
  }

  .page-about .about-data {
    padding: 82px 0 86px;
  }

  .page-about .data-layout {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .about-team {
    padding: 90px 0 94px;
  }

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

  .page-about .honor-layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 64px;
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-about .scope-cards {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .scope-card,
  .page-about .scope-card-audience,
  .page-about .year-track li::before,
  .page-about .filter-btn {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>