.page-about {
  --about-rule: var(--line);
  --about-dim: var(--mist);
  background: var(--night);
  color: var(--paper);
  overflow-x: hidden;
}

.page-about .about-hero {
  position: relative;
  padding: 1.4rem 0 2.75rem;
  background:
    radial-gradient(115% 80% at 88% 0%, rgba(18, 214, 196, 0.18), transparent 58%),
    linear-gradient(165deg, var(--night) 0%, var(--night-deep) 62%, var(--green) 100%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-about .about-hero__grid {
  display: grid;
  gap: 1.9rem;
  margin-top: 1.6rem;
}

.page-about .about-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 7vw, 4rem);
  line-height: 1.03;
  letter-spacing: -0.02em;
  margin: 0.55rem 0 0.95rem;
  color: var(--paper);
}

.page-about .about-hero .lede {
  max-width: 46ch;
  color: rgba(244, 247, 242, 0.84);
  font-size: clamp(0.98rem, 2.6vw, 1.1rem);
  line-height: 1.78;
}

.page-about .about-hero__meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem 2rem;
  margin: 1.5rem 0 0;
  padding: 0;
}

.page-about .about-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 8rem;
}

.page-about .about-hero__stat-num {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -0.02em;
}

.page-about .about-hero__stat-label {
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--mist);
}

.page-about .about-hero .btn {
  margin-top: 1.5rem;
}

.page-about .about-hero__figure {
  margin: 0;
  position: relative;
}

.page-about .about-hero__figure::before {
  content: "";
  position: absolute;
  left: 0;
  right: 1.75rem;
  bottom: -0.85rem;
  height: 38%;
  background: linear-gradient(120deg, rgba(255, 122, 26, 0.55), rgba(18, 214, 196, 0.35));
  clip-path: polygon(0 55%, 100% 0, 100% 100%, 0 100%);
  border-radius: var(--radius-m);
  opacity: 0.65;
  pointer-events: none;
}

.page-about .about-hero__figure img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-l);
  object-fit: cover;
}

.page-about .about-hero__figure figcaption {
  position: relative;
  z-index: 1;
  margin-top: 0.75rem;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-about .about-toc {
  margin-top: 2.1rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem 0.9rem;
}

.page-about .about-toc__link {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
  font-size: 0.82rem;
  color: var(--mist);
  text-decoration: none;
  padding: 0.3rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-about .about-toc__link:hover,
.page-about .about-toc__link:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan);
}

.page-about .about-toc__num {
  font-size: 0.7rem;
  color: var(--cyan);
}

.page-about .about-chapter {
  padding: 2.75rem 0;
}

.page-about .about-chapter--paper {
  background: var(--paper);
  color: var(--ink);
  --about-rule: rgba(13, 43, 37, 0.16);
  --about-dim: var(--ink-soft);
}

.page-about .about-chapter--dark {
  background:
    radial-gradient(90% 70% at 10% 0%, rgba(18, 53, 46, 0.85), transparent 62%),
    var(--night);
  color: var(--paper);
}

.page-about .about-chapter__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem;
  align-items: start;
  border-bottom: 1px solid var(--about-rule);
  padding-bottom: 1.1rem;
  margin-bottom: 1.75rem;
}

.page-about .about-chapter__num {
  font-size: clamp(2.1rem, 8vw, 3.4rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: rgba(169, 184, 179, 0.32);
  -webkit-text-stroke: 1px rgba(169, 184, 179, 0.5);
}

.page-about .about-chapter__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.6vw, 2.5rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0.15rem 0 0;
  color: inherit;
}

.page-about .about-chapter__head .eyebrow {
  color: var(--cyan);
}

.page-about .about-subtitle {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.02em;
  margin: 0 0 0.35rem;
  color: inherit;
}

.page-about p {
  line-height: 1.78;
  font-size: 0.96rem;
}

.page-about .about-focus {
  display: grid;
  gap: 1.6rem;
}

.page-about .about-focus__body p {
  max-width: 62ch;
  margin: 0 0 1rem;
}

.page-about .about-focus__aside {
  border-left: 2px solid var(--cyan);
  padding: 0.2rem 0 0.2rem 1.1rem;
}

.page-about .about-entry-list {
  list-style: none;
  margin: 0.6rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-about .about-entry-list__item {
  display: grid;
  grid-template-columns: 1.4rem minmax(0, 1fr);
  gap: 0.55rem;
  align-items: baseline;
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--about-dim);
}

.page-about .about-entry-list__key {
  color: var(--orange);
  font-size: 0.78rem;
  font-weight: 700;
}

.page-about .about-coverage {
  display: grid;
  gap: 2rem;
}

.page-about .about-coverage__figure {
  border-top: 1px solid var(--about-rule);
  padding-top: 1rem;
}

.page-about .about-coverage__num {
  display: block;
  font-size: clamp(3.4rem, 14vw, 6rem);
  font-weight: 700;
  line-height: 0.85;
  letter-spacing: -0.05em;
  color: var(--cyan);
}

.page-about .about-coverage__unit {
  display: block;
  margin: 0.4rem 0 0.9rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-about .about-coverage__figure p {
  margin: 0;
  max-width: 40ch;
  font-size: 0.9rem;
  color: var(--about-dim);
}

.page-about .about-phases {
  list-style: none;
  margin: 0.75rem 0 1.9rem;
  padding: 0;
  display: grid;
  gap: 0.2rem;
}

.page-about .about-phases__item {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 0.15rem 0.7rem;
  padding: 0.6rem 0;
  border-top: 1px solid var(--about-rule);
}

.page-about .about-phases__item > span {
  color: var(--cyan);
  font-size: 0.76rem;
  padding-top: 0.2rem;
}

.page-about .about-phases__item strong {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-about .about-phases__item p {
  grid-column: 2;
  margin: 0;
  font-size: 0.83rem;
  line-height: 1.6;
  color: var(--about-dim);
}

.page-about .about-chips {
  list-style: none;
  margin: 0.8rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.page-about .about-timeline-wrap {
  display: grid;
  gap: 2rem;
}

.page-about .about-timeline__tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  border-bottom: 1px solid var(--about-rule);
  padding-bottom: 0.75rem;
  margin-bottom: 1.5rem;
}

.page-about .about-timeline__tab {
  appearance: none;
  border: 1px solid var(--about-rule);
  background: transparent;
  color: var(--about-dim);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.4rem 0.95rem;
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.18s var(--ease), background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-about .about-timeline__tab:hover,
.page-about .about-timeline__tab:focus-visible {
  color: var(--ink);
  border-color: var(--cyan);
}

.page-about .about-timeline__tab[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.page-about .about-timeline__panel:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.page-about .about-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.3rem;
  position: relative;
}

.page-about .about-track::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 1px;
  background: var(--about-rule);
}

.page-about .about-track__node {
  position: relative;
  padding-left: 1.75rem;
}

.page-about .about-track__dot {
  position: absolute;
  left: 0;
  top: 0.4rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(18, 214, 196, 0.16);
}

.page-about .about-track__label {
  display: block;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--orange);
  margin-bottom: 0.2rem;
}

.page-about .about-track__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--about-dim);
}

.page-about .about-timeline__figure {
  margin: 0;
}

.page-about .about-timeline__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-l) var(--radius-s) var(--radius-l) var(--radius-s);
  object-fit: cover;
}

.page-about .about-timeline__figure figcaption {
  margin-top: 0.7rem;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--about-dim);
}

.page-about .about-team {
  display: grid;
  gap: 1.75rem;
}

.page-about .about-team__intro p {
  max-width: 58ch;
  margin: 0 0 1rem;
  color: var(--about-dim);
}

.page-about .about-team__figure {
  margin: 0;
}

.page-about .about-team__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-m);
  object-fit: cover;
  filter: saturate(0.9) contrast(1.04);
}

.page-about .about-team__figure figcaption {
  margin-top: 0.7rem;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--about-dim);
}

.page-about .about-roster {
  list-style: none;
  margin: 1.9rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.2rem;
}

.page-about .about-roster__item {
  border-top: 2px solid var(--cyan);
  padding-top: 0.7rem;
}

.page-about .about-roster__num {
  display: block;
  font-size: clamp(1.9rem, 6vw, 2.6rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.page-about .about-roster__role {
  display: block;
  margin-top: 0.4rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--cyan-soft);
}

.page-about .about-roster__desc {
  margin: 0.35rem 0 0;
  font-size: 0.83rem;
  line-height: 1.65;
  color: var(--about-dim);
}

.page-about .about-process {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.page-about .about-process__step {
  position: relative;
  padding-left: 1.7rem;
  border-left: 1px solid var(--about-rule);
}

.page-about .about-process__step-no {
  display: block;
  font-size: 0.74rem;
  color: var(--orange);
  margin-bottom: 0.25rem;
}

.page-about .about-process__step-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  margin: 0 0 0.3rem;
  color: var(--paper);
}

.page-about .about-process__step p {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--about-dim);
}

.page-about .about-chapter .note {
  margin-top: 1.8rem;
  max-width: 56ch;
  border-left: 2px solid var(--cyan);
  padding-left: 1rem;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--about-dim);
}

.page-about .about-partners {
  display: grid;
  gap: 1.9rem;
}

.page-about .about-partners__lead {
  border-top: 1px solid var(--about-rule);
  padding-top: 1rem;
}

.page-about .about-partners__num {
  display: block;
  font-size: clamp(3.2rem, 13vw, 5.4rem);
  font-weight: 700;
  line-height: 0.85;
  letter-spacing: -0.05em;
  color: var(--green);
}

.page-about .about-partners__lead p {
  margin: 0.9rem 0 0;
  max-width: 42ch;
  font-size: 0.92rem;
  color: var(--about-dim);
}

.page-about .about-partners__group + .about-partners__group {
  margin-top: 1.5rem;
}

.page-about .about-index {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
}

.page-about .about-index__item {
  display: grid;
  grid-template-columns: 1.9rem minmax(0, 1fr);
  gap: 0.15rem 0.7rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--about-rule);
}

.page-about .about-index__no {
  font-size: 0.75rem;
  color: var(--orange);
  padding-top: 0.18rem;
}

.page-about .about-index__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.96rem;
  color: var(--ink);
}

.page-about .about-index__desc {
  grid-column: 2;
  font-size: 0.83rem;
  line-height: 1.65;
  color: var(--about-dim);
}

.page-about .about-access {
  display: grid;
  gap: 1.8rem;
}

.page-about .about-access__col-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  margin: 0 0 0.4rem;
  color: var(--paper);
  border-bottom: 1px solid var(--about-rule);
  padding-bottom: 0.6rem;
}

.page-about .about-access__lead {
  margin: 0.6rem 0 1rem;
  font-size: 0.84rem;
  color: var(--cyan-soft);
}

.page-about .about-access__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-about .about-access__list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--about-dim);
}

.page-about .about-access__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62rem;
  width: 0.55rem;
  height: 2px;
  background: var(--cyan);
}

.page-about .about-cta-note {
  margin-top: 2.2rem;
  padding: 1.1rem 1.2rem;
  max-width: 44rem;
  border-left: 2px solid var(--orange);
  background: linear-gradient(90deg, rgba(255, 122, 26, 0.14), transparent 72%);
}

.page-about .about-cta-note__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  margin: 0 0 0.5rem;
  color: var(--paper);
}

.page-about .about-cta-note p {
  margin: 0 0 0.9rem;
  font-size: 0.87rem;
  line-height: 1.7;
  color: var(--about-dim);
}

@media (min-width: 760px) {
  .page-about .about-hero {
    padding: 1.9rem 0 3.5rem;
  }

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

  .page-about .about-chapter {
    padding: 3.6rem 0;
  }

  .page-about .about-roster {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
  }

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

@media (min-width: 900px) {
  .page-about .about-chapter {
    padding: 4.75rem 0;
  }

  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: end;
    gap: 2.5rem;
  }

  .page-about .about-toc {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-about .about-focus {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    gap: 2.5rem;
    align-items: start;
  }

  .page-about .about-coverage {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 3rem;
    align-items: start;
  }

  .page-about .about-timeline-wrap {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.55fr);
    gap: 2.75rem;
    align-items: start;
  }

  .page-about .about-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.6rem;
    padding-top: 2.1rem;
  }

  .page-about .about-track::before {
    left: 0;
    right: 0;
    top: 0.45rem;
    bottom: auto;
    width: auto;
    height: 1px;
  }

  .page-about .about-track__node {
    padding-left: 0;
  }

  .page-about .about-track__dot {
    top: -1.72rem;
    left: 0;
  }

  .page-about .about-team {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
    gap: 2.5rem;
    align-items: start;
  }

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

  .page-about .about-partners {
    grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
    gap: 3rem;
    align-items: start;
  }

  .page-about .about-access {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 3rem;
  }
}

@media (min-width: 1100px) {
  .page-about .about-hero__title {
    font-size: 4.1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-toc__link,
  .page-about .about-timeline__tab {
    transition: none;
  }
}
<<<END>>>