.page-about {
  --ab-line: rgba(244, 235, 221, 0.16);
  --ab-line-soft: rgba(244, 235, 221, 0.08);
  --ab-glass: rgba(13, 42, 71, 0.72);
  --ab-cyan-dim: rgba(43, 228, 197, 0.18);
  background: var(--ink);
  color: var(--paper);
  padding-bottom: clamp(40px, 6vw, 88px);
  overflow-x: hidden;
}

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

.page-about .about-crumb {
  padding-top: clamp(18px, 3vw, 32px);
}

.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-about .breadcrumb__item {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(244, 235, 221, 0.62);
  text-decoration: none;
}

.page-about .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: rgba(244, 235, 221, 0.28);
}

.page-about .breadcrumb__item[aria-current="page"] {
  color: var(--cyan);
}

/* ---------- hero ---------- */
.page-about .about-hero {
  display: grid;
  gap: clamp(22px, 3.4vw, 44px);
  padding-block: clamp(24px, 4vw, 56px) clamp(36px, 5vw, 76px);
}

.page-about .about-hero__copy h1 {
  font-family: var(--font-display);
  font-size: clamp(38px, 7.4vw, 96px);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.01em;
  margin: 12px 0 0;
  max-width: 14ch;
  color: var(--paper);
  text-wrap: balance;
}

.page-about .about-hero__lead {
  margin: clamp(16px, 2vw, 24px) 0 0;
  max-width: 54ch;
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.78;
  color: rgba(244, 235, 221, 0.78);
}

.page-about .about-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: clamp(18px, 2.4vw, 28px);
  padding-top: 16px;
  border-top: 1px solid var(--ab-line);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(244, 235, 221, 0.6);
}

.page-about .about-hero__meta-item b {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0;
  color: var(--cyan);
  margin-right: 4px;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.6vw, 32px);
}

.page-about .about-hero__media {
  position: relative;
  border: 1px solid var(--ab-line);
  background: var(--ink-2);
}

.page-about .about-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(150deg, rgba(7, 26, 47, 0.1) 20%, rgba(4, 16, 31, 0.78) 100%);
  pointer-events: none;
}

.page-about .about-hero__media img {
  width: 100%;
  aspect-ratio: 16 / 10;
}

.page-about .about-hero__media .media-frame__caption {
  position: absolute;
  left: 16px;
  bottom: 14px;
  z-index: 2;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(244, 235, 221, 0.78);
}

/* ---------- shared section head ---------- */
.page-about .about-head {
  margin-bottom: clamp(22px, 3vw, 40px);
  max-width: 70ch;
}

.page-about .about-head h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4.4vw, 52px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.005em;
  margin: 10px 0 0;
  color: var(--paper);
  text-wrap: balance;
}

.page-about .about-head__lead {
  margin: 14px 0 0;
  font-size: clamp(14px, 1.4vw, 17px);
  line-height: 1.78;
  color: rgba(244, 235, 221, 0.7);
}

.page-about .about-head--tight {
  max-width: 56ch;
}

/* ---------- timeline ---------- */
.page-about .tl-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-about .tl-chip {
  border: 1px solid var(--ab-line);
  background: transparent;
  color: rgba(244, 235, 221, 0.7);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 9px 16px;
  cursor: pointer;
  transition: background 200ms var(--ease), color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-about .tl-chip:hover {
  border-color: var(--ab-line-soft);
  color: var(--paper);
}

.page-about .tl-chip[data-active="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

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

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan) 0%, rgba(43, 228, 197, 0.35) 55%, rgba(43, 228, 197, 0) 100%);
}

.page-about .tl-item {
  position: relative;
  padding-left: 34px;
  margin-bottom: clamp(14px, 2vw, 22px);
}

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

.page-about .tl-item__dot {
  position: absolute;
  left: 0;
  top: 22px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 0 4px rgba(43, 228, 197, 0.12);
}

.page-about .tl-item__card {
  padding: clamp(16px, 2.2vw, 26px);
  border: 1px solid transparent;
}

.page-about .tl-item__card--paper {
  background: var(--paper);
  color: var(--graphite);
}

.page-about .tl-item__card--ink {
  background: var(--ab-glass);
  border-color: var(--ab-line);
  color: var(--paper);
}

.page-about .tl-item__meta {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 8px;
}

.page-about .tl-item__year {
  font-family: var(--font-data);
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--shot);
}

.page-about .tl-item__card--ink .tl-item__year {
  color: var(--cyan);
}

.page-about .tl-item__stage {
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.18em;
  padding: 3px 8px;
  border: 1px solid currentColor;
  opacity: 0.7;
}

.page-about .tl-item__card h3 {
  font-family: var(--font-body);
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  line-height: 1.4;
  margin: 0 0 8px;
}

.page-about .tl-item__card p {
  margin: 0;
  font-size: clamp(14px, 1.35vw, 16px);
  line-height: 1.78;
  color: inherit;
  opacity: 0.86;
}

/* ---------- stat wall ---------- */
.page-about .about-wall {
  border-top: 1px solid var(--ab-line-soft);
  padding-top: clamp(30px, 4.4vw, 56px);
}

.page-about .stat-wall {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(8px, 1.2vw, 14px);
}

.page-about .stat-cell {
  padding: clamp(14px, 2vw, 22px);
  background: var(--ab-glass);
  border: 1px solid var(--ab-line);
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 118px;
}

.page-about .stat-cell--lead {
  grid-column: span 2;
  background: linear-gradient(145deg, rgba(255, 122, 61, 0.16) 0%, rgba(13, 42, 71, 0.9) 62%);
  border-color: rgba(255, 122, 61, 0.35);
}

.page-about .stat-cell--wide {
  grid-column: span 2;
  background: var(--paper);
  color: var(--graphite);
  border-color: var(--paper);
}

.page-about .stat-cell .data-num {
  font-family: var(--font-data);
  font-size: clamp(38px, 6vw, 72px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

.page-about .stat-cell--lead .data-num {
  color: var(--shot);
}

.page-about .stat-cell--wide .data-num {
  color: var(--ink-2);
}

.page-about .stat-cell__unit {
  font-size: 0.4em;
  font-weight: 600;
  margin-left: 2px;
}

.page-about .stat-cell p {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(244, 235, 221, 0.72);
}

.page-about .stat-cell--wide p {
  color: rgba(18, 20, 23, 0.72);
}

/* ---------- team ---------- */
.page-about .about-team__grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 44px);
}

.page-about .about-team__copy h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4.4vw, 52px);
  font-weight: 600;
  line-height: 1.08;
  margin: 10px 0 14px;
}

.page-about .about-team__copy > p {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  max-width: 56ch;
  font-size: clamp(14px, 1.4vw, 17px);
  line-height: 1.78;
  color: rgba(244, 235, 221, 0.72);
}

.page-about .team-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-about .team-card {
  border: 1px solid var(--ab-line);
  background: rgba(13, 42, 71, 0.42);
  transition: border-color 200ms var(--ease), background 200ms var(--ease);
}

.page-about .team-card[open] {
  border-color: var(--ab-cyan-dim);
  background: rgba(13, 42, 71, 0.78);
}

.page-about .team-card summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
}

.page-about .team-card summary::-webkit-details-marker {
  display: none;
}

.page-about .team-card summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-data);
  font-size: 14px;
  color: var(--cyan);
}

.page-about .team-card[open] summary::after {
  content: "−";
}

.page-about .team-card__name {
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .team-card__num {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  border: 1px solid var(--ab-cyan-dim);
  padding: 2px 7px;
}

.page-about .team-card p {
  margin: 0;
  padding: 0 16px 16px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 235, 221, 0.72);
}

.page-about .about-team__media {
  border: 1px solid var(--ab-line);
  position: relative;
  align-self: start;
}

.page-about .about-team__media img {
  width: 100%;
  aspect-ratio: 3 / 2;
}

.page-about .about-team__media .media-frame__caption {
  position: absolute;
  left: 14px;
  bottom: 12px;
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: rgba(244, 235, 221, 0.8);
}

/* ---------- rhythm ---------- */
.page-about .about-rhythm {
  border-top: 1px solid var(--ab-line-soft);
  padding-top: clamp(30px, 4.4vw, 56px);
}

.page-about .rhythm-grid {
  display: grid;
  gap: clamp(10px, 1.6vw, 18px);
}

.page-about .rhythm-card {
  padding: clamp(18px, 2.4vw, 28px);
  background: var(--paper);
  color: var(--graphite);
  border-left: 4px solid var(--ink-2);
}

.page-about .rhythm-card--cyan {
  border-left-color: var(--cyan);
}

.page-about .rhythm-card--shot {
  border-left-color: var(--shot);
}

.page-about .rhythm-card--volt {
  border-left-color: var(--volt);
}

.page-about .rhythm-card__label {
  margin: 0 0 10px;
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: rgba(18, 20, 23, 0.5);
}

.page-about .rhythm-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 600;
  line-height: 1.16;
  color: var(--graphite);
}

.page-about .rhythm-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(18, 20, 23, 0.76);
}

/* ---------- partners ---------- */
.page-about .about-partners__inner {
  background: var(--ab-glass);
  border: 1px solid var(--ab-line);
  padding: clamp(20px, 3vw, 40px);
}

.page-about .about-partners__cols {
  display: grid;
  gap: clamp(18px, 2.4vw, 30px);
}

.page-about .about-partners__col h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--cyan);
}

.page-about .about-partners__col p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 235, 221, 0.74);
}

.page-about .about-inline-link {
  display: inline-block;
  margin-top: clamp(18px, 2.4vw, 28px);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--ab-cyan-dim);
  padding-bottom: 3px;
}

.page-about .about-inline-link:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- sichuan ---------- */
.page-about .about-sichuan__grid {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  align-items: center;
}

.page-about .about-sichuan__map-wrap {
  background: var(--paper);
  padding: clamp(14px, 2vw, 24px);
  border-left: 4px solid var(--cyan);
}

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

.page-about .about-map__land {
  fill: none;
  stroke: rgba(18, 20, 23, 0.22);
  stroke-width: 2;
  stroke-linejoin: round;
}

.page-about .about-map__links path {
  fill: none;
  stroke: rgba(13, 42, 71, 0.34);
  stroke-width: 1.4;
  stroke-dasharray: 5 5;
}

.page-about .about-map__nodes circle {
  fill: var(--ink-2);
}

.page-about .about-map__hub {
  fill: var(--cyan);
  stroke: var(--ink);
  stroke-width: 2;
}

.page-about .about-sichuan__copy h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 46px);
  font-weight: 600;
  line-height: 1.1;
  margin: 10px 0 14px;
}

.page-about .about-sichuan__copy > p {
  margin: 0 0 16px;
  font-size: clamp(14px, 1.4vw, 17px);
  line-height: 1.78;
  color: rgba(244, 235, 221, 0.74);
}

.page-about .about-sichuan__list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-about .about-sichuan__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(244, 235, 221, 0.72);
}

.page-about .about-sichuan__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 2px;
  background: var(--shot);
}

.page-about .about-sichuan__media {
  margin-top: clamp(18px, 2.6vw, 30px);
  position: relative;
  border: 1px solid var(--ab-line);
}

.page-about .about-sichuan__media img {
  width: 100%;
  aspect-ratio: 16 / 9;
}

.page-about .about-sichuan__media .media-frame__caption {
  position: absolute;
  left: 14px;
  bottom: 12px;
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--ink);
  background: rgba(244, 235, 221, 0.86);
  padding: 4px 8px;
}

/* ---------- honor ---------- */
.page-about .about-honor {
  border-top: 1px solid var(--ab-line-soft);
  padding-top: clamp(30px, 4.4vw, 56px);
}

.page-about .honor-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--ab-line);
}

.page-about .honor-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: clamp(16px, 2.2vw, 24px) 0;
  border-bottom: 1px solid var(--ab-line);
}

.page-about .honor-item__year {
  font-family: var(--font-data);
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--shot);
}

.page-about .honor-item__body h3 {
  margin: 0 0 6px;
  font-size: clamp(16px, 1.8vw, 19px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-about .honor-item__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 235, 221, 0.68);
  max-width: 62ch;
}

/* ---------- cta ---------- */
.page-about .about-cta {
  padding-top: clamp(28px, 4vw, 52px);
}

.page-about .about-cta__inner {
  display: grid;
  gap: clamp(18px, 2.6vw, 32px);
  padding: clamp(24px, 3.6vw, 48px);
  background: linear-gradient(125deg, rgba(7, 26, 47, 1) 0%, rgba(13, 42, 71, 0.92) 55%, rgba(4, 16, 31, 1) 100%);
  border: 1px solid var(--ab-line);
  border-top: 3px solid var(--cyan);
}

.page-about .about-cta__copy h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 48px);
  font-weight: 600;
  line-height: 1.08;
  margin: 10px 0 12px;
  max-width: 18ch;
}

.page-about .about-cta__copy p {
  margin: 0;
  max-width: 56ch;
  font-size: clamp(14px, 1.4vw, 16px);
  line-height: 1.78;
  color: rgba(244, 235, 221, 0.72);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: start;
}

/* ---------- media queries ---------- */
@media (min-width: 720px) {
  .page-about .stat-wall {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-about .stat-cell--lead {
    grid-column: span 6;
  }

  .page-about .stat-cell--wide {
    grid-column: span 6;
  }

  .page-about .stat-cell {
    grid-column: span 4;
  }

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

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

  .page-about .honor-item {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: end;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-about .about-sichuan__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .page-about .about-cta__actions {
    flex-direction: column;
    align-items: stretch;
  }

  /* desktop timeline: year sits beside the rail */
  .page-about .timeline::before {
    left: 76px;
  }

  .page-about .tl-item {
    padding-left: 116px;
  }

  .page-about .tl-item__dot {
    left: 69px;
    top: 24px;
  }

  .page-about .tl-item__card {
    position: relative;
  }

  .page-about .tl-item__year {
    position: absolute;
    left: -116px;
    top: 16px;
    width: 58px;
    text-align: right;
    font-size: 20px;
    line-height: 1;
    color: var(--paper);
  }

  .page-about .tl-item__card--paper .tl-item__year {
    color: var(--shot);
  }

  .page-about .tl-item__meta {
    margin-bottom: 6px;
  }
}

@media (min-width: 1200px) {
  .page-about .about-hero__media img {
    aspect-ratio: 7 / 4;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .tl-chip,
  .page-about .team-card {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>