.page-about {
  --about-pad: clamp(48px, 7vw, 88px);
  --about-grid-line: rgba(27, 59, 99, 0.22);
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 4.5vw, 48px) 0 clamp(40px, 6vw, 72px);
  border-bottom: 1px solid var(--line-faint);
  background-color: var(--ink-900);
  background-image:
    linear-gradient(180deg, rgba(23, 224, 200, 0.1), rgba(6, 11, 20, 0) 68%),
    repeating-linear-gradient(90deg, var(--about-grid-line) 0 1px, transparent 1px 84px),
    repeating-linear-gradient(0deg, var(--about-grid-line) 0 1px, transparent 1px 84px);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 52%;
  background: linear-gradient(180deg, rgba(6, 11, 20, 0), var(--ink-900) 88%);
  pointer-events: none;
}

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

.page-about .about-hero .breadcrumbs {
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.page-about .about-hero .eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  letter-spacing: 0.14em;
}

.page-about .about-hero .h1 {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  max-width: 18ch;
  font-size: clamp(32px, 6vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.page-about .about-lead {
  margin: 0;
  max-width: 52ch;
  font-size: clamp(16px, 2.1vw, 19px);
  line-height: 1.75;
  color: var(--paper-soft);
}

.page-about .about-hero-facts {
  list-style: none;
  margin: clamp(28px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  max-width: 780px;
  background: var(--line-faint);
  border: 1px solid var(--line-faint);
}

.page-about .about-hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  background: var(--ink-850);
}

.page-about .about-hero-facts .mono {
  font-size: clamp(18px, 2.6vw, 22px);
  font-weight: 700;
  color: var(--cyan);
  line-height: 1.1;
}

.page-about .about-hero-facts li > span:last-child {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-about .about-section {
  padding: var(--about-pad) 0;
  border-bottom: 1px solid var(--line-faint);
}

.page-about .about-section:last-of-type {
  border-bottom: 0;
}

.page-about .section-head {
  margin-bottom: clamp(24px, 3.5vw, 40px);
}

.page-about .section-head .eyebrow {
  margin: 0 0 10px;
  color: var(--muted);
  letter-spacing: 0.14em;
}

.page-about .section-head .h2 {
  margin: 0;
}

.page-about .origin-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-about .origin-side .mono-label {
  margin: 0 0 10px;
  color: var(--cyan);
  letter-spacing: 0.12em;
}

.page-about .origin-side .h2 {
  margin: 0;
}

.page-about .origin-body p {
  margin: 0 0 16px;
}

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

.page-about .lib-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-about .stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-faint);
  border: 1px solid var(--line-faint);
}

.page-about .stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: clamp(16px, 2.4vw, 24px);
  background: var(--ink-800);
}

.page-about .stat-num {
  font-size: clamp(21px, 3.2vw, 30px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

.page-about .stat-label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-about .lib-note {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper-soft);
}

.page-about .lib-figure,
.page-about .flow-figure,
.page-about .history-banner {
  margin: 0;
}

.page-about .lib-figure img,
.page-about .flow-figure img,
.page-about .history-banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .media-caption {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-about .flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
}

.page-about .flow-step {
  position: relative;
  padding: 0 0 26px 34px;
  border-left: 1px solid var(--line-faint);
}

.page-about .flow-step::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  background: var(--ink-900);
  border: 1px solid var(--cyan-line);
  transform: rotate(45deg);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .flow-step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-about .flow-step:hover::before,
.page-about .flow-step:focus-within::before {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-about .flow-num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-about .flow-step .h3 {
  margin: 6px 0 8px;
  font-size: 18px;
}

.page-about .flow-step p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-soft);
}

.page-about .flow-meta {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted-dim);
}

.page-about .flow-meta .mono {
  margin-right: 6px;
  color: var(--orange);
}

.page-about .flow-figure {
  margin-top: clamp(28px, 4vw, 44px);
}

.page-about .cn-intro {
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-about .cn-intro p {
  margin: 0;
}

.page-about .cat-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-faint);
  border: 1px solid var(--line-faint);
}

.page-about .cat {
  padding: clamp(16px, 2.4vw, 22px);
  background: var(--ink-800);
  transition: background var(--dur) var(--ease);
}

.page-about .cat:hover {
  background: var(--ink-700);
}

.page-about .cat-index {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-about .cat .h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.page-about .cat p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-soft);
}

.page-about .history-banner {
  margin-bottom: clamp(24px, 3.5vw, 40px);
}

.page-about .history-banner .media-frame {
  opacity: 0.9;
}

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

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan-line), var(--line-faint));
}

.page-about .tl-item {
  position: relative;
  margin: 0 0 14px;
}

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

.page-about .tl-node {
  position: absolute;
  left: -30px;
  top: 18px;
  width: 9px;
  height: 9px;
  background: var(--ink-900);
  border: 1px solid var(--cyan-line);
  transform: rotate(45deg);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .tl-item:hover .tl-node {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-about .tl-item.is-current .tl-node {
  background: var(--orange);
  border-color: var(--orange);
}

.page-about .about-timeline .disclosure-index {
  font-size: 14px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.page-about .tl-item.is-current .disclosure-index {
  color: var(--orange);
}

.page-about .about-timeline .disclosure-panel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper-soft);
}

.page-about .team-lead {
  margin: 0 0 clamp(24px, 3.5vw, 36px);
}

.page-about .team-tabs {
  display: grid;
  gap: 10px;
}

.page-about .team-tabs .disclosure-panel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--paper-soft);
}

.page-about .about-collab {
  gap: 16px;
}

.page-about .collab-card {
  padding: clamp(20px, 3vw, 30px);
}

.page-about .collab-card .mono-label {
  margin: 0 0 12px;
  color: var(--muted);
  letter-spacing: 0.12em;
}

.page-about .collab-num {
  margin: 0 0 8px;
  font-size: clamp(30px, 5vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
  letter-spacing: -0.02em;
}

.page-about .collab-card .h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.page-about .collab-card p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper-soft);
}

.page-about .care-lead {
  margin: 0 0 clamp(22px, 3vw, 32px);
}

.page-about .care-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-about .care-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 16px 18px;
  background: var(--ink-800);
  border-left: 2px solid var(--cyan-line);
}

.page-about .care-key {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-about .care-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper-soft);
}

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

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

.page-about .about-cta {
  padding: clamp(40px, 6vw, 72px) 0 clamp(48px, 7vw, 88px);
  background:
    linear-gradient(120deg, rgba(23, 224, 200, 0.1), rgba(6, 11, 20, 0) 62%),
    var(--ink-850);
  border-top: 1px solid var(--line-faint);
}

.page-about .about-cta-inner {
  display: grid;
  gap: 24px;
}

.page-about .about-cta-text {
  margin: 0;
  max-width: 56ch;
  font-size: clamp(17px, 2.4vw, 21px);
  line-height: 1.65;
  color: var(--paper);
}

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

@media (min-width: 640px) {
  .page-about .about-hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-about .care-item {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: start;
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-about .origin-grid {
    grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-about .lib-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 52px);
    align-items: start;
  }

  .page-about .about-collab {
    gap: 20px;
  }
}

@media (min-width: 960px) {
  .page-about .flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 22px;
  }

  .page-about .flow-step {
    padding: 26px 14px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line-faint);
  }

  .page-about .flow-step::before {
    left: 0;
    top: -5px;
  }

  .page-about .flow-step:last-child {
    border-left-color: transparent;
  }

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

  .page-about .about-cta-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
  }

  .page-about .about-cta-links {
    justify-content: flex-end;
  }
}

@media (min-width: 1200px) {
  .page-about .about-hero .h1 {
    max-width: 16ch;
  }
}
<<<END>>>