.page-about {
  --about-rail: 220px;
  --about-annot: rgba(141, 163, 178, .95);
  background:
    radial-gradient(120% 55% at 82% -8%, rgba(31, 224, 200, .12), transparent 62%),
    radial-gradient(90% 45% at 0% 30%, rgba(30, 127, 99, .14), transparent 60%),
    var(--bo-deep);
  color: var(--bo-white);
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-about .about-crumb {
  padding-top: clamp(16px, 3vw, 28px);
}

.page-about .about-crumb .bo-breadcrumb {
  font-size: 13px;
  color: var(--bo-fog);
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  padding-top: clamp(12px, 2.4vw, 24px);
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(16px, 3vw, 26px);
}

.page-about .about-hero__kicker {
  color: var(--bo-cyan);
  letter-spacing: .18em;
}

.page-about .about-hero__title {
  font-size: clamp(34px, 7.4vw, 72px);
  line-height: 1.04;
  letter-spacing: -.035em;
  font-weight: 900;
}

.page-about .about-hero__lead {
  max-width: 48ch;
  color: rgba(247, 251, 255, .82);
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.75;
}

.page-about .about-hero__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-about .about-hero__stats li {
  padding: 12px 14px;
  border: 1px solid var(--bo-line-soft);
  border-radius: var(--bo-radius-md);
  background: rgba(11, 20, 36, .58);
}

.page-about .about-stat-num {
  display: block;
  font-family: var(--bo-font-mono);
  font-size: clamp(22px, 3.6vw, 30px);
  line-height: 1.1;
  color: var(--bo-cyan);
  letter-spacing: -.02em;
}

.page-about .about-stat-num em {
  font-style: normal;
  font-size: .55em;
  margin-left: 2px;
}

.page-about .about-stat-label {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  color: var(--bo-fog);
  letter-spacing: .04em;
}

.page-about .about-hero__figure {
  margin: clamp(22px, 4vw, 36px) 0 0;
  border-radius: var(--bo-radius-xl);
  overflow: hidden;
  border: 1px solid var(--bo-line-soft);
  background: var(--bo-ink);
  box-shadow: var(--bo-shadow-card);
}

.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-about .bo-media__caption {
  display: block;
  padding: 10px 16px 12px;
  font-size: 12.5px;
  color: var(--bo-fog);
  background: rgba(11, 20, 36, .8);
}

/* ---------- Chapter shell ---------- */
.page-about .about-chapter {
  display: grid;
  gap: clamp(16px, 3vw, 30px);
  margin-top: clamp(28px, 5vw, 54px);
  padding-top: clamp(30px, 5vw, 56px);
  border-top: 1px solid var(--bo-line-soft);
}

.page-about .about-chapter__rail {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-about .about-chapter__num {
  font-family: var(--bo-font-mono);
  font-size: clamp(44px, 9vw, 78px);
  line-height: .82;
  letter-spacing: -.04em;
  color: rgba(31, 224, 200, .16);
  -webkit-text-stroke: 1.4px rgba(31, 224, 200, .55);
}

.page-about .about-chapter__annot {
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--about-annot);
  white-space: nowrap;
}

.page-about .about-chapter__body {
  display: grid;
  gap: clamp(14px, 2.4vw, 20px);
  min-width: 0;
}

.page-about .about-chapter__body .bo-h2 {
  font-size: clamp(25px, 4.4vw, 44px);
  line-height: 1.14;
  letter-spacing: -.025em;
  font-weight: 900;
}

.page-about .about-chapter__body .bo-prose {
  max-width: 62ch;
  color: rgba(247, 251, 255, .8);
  font-size: clamp(15px, 1.8vw, 16.5px);
  line-height: 1.8;
}

.page-about .about-pull {
  margin: 4px 0;
  padding: 4px 0 4px 18px;
  border-left: 3px solid var(--bo-cyan);
  font-family: var(--bo-font-display);
  font-weight: 900;
  font-size: clamp(19px, 3.2vw, 27px);
  line-height: 1.45;
  letter-spacing: -.015em;
  color: var(--bo-white);
}

/* ---------- Map band ---------- */
.page-about .about-map {
  margin-top: clamp(34px, 6vw, 72px);
  padding-block: clamp(32px, 6vw, 64px);
  border-top: 1px solid var(--bo-line);
  border-bottom: 1px solid var(--bo-line);
  background:
    repeating-linear-gradient(90deg, rgba(30, 127, 99, .18) 0 46px, rgba(30, 127, 99, .05) 46px 92px),
    linear-gradient(180deg, rgba(11, 20, 36, .92), rgba(6, 28, 46, .96));
}

.page-about .about-map__head {
  display: grid;
  gap: 10px;
  max-width: 62ch;
}

.page-about .about-map__head .bo-kicker {
  color: var(--bo-cyan);
  letter-spacing: .18em;
}

.page-about .about-map__head .bo-h2 {
  font-size: clamp(25px, 4.4vw, 42px);
  line-height: 1.14;
  letter-spacing: -.025em;
  font-weight: 900;
}

.page-about .about-map__lead {
  margin: 0;
  color: rgba(247, 251, 255, .78);
  font-size: clamp(14.5px, 1.8vw, 16px);
  line-height: 1.75;
}

.page-about .about-map__dots {
  list-style: none;
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(36px, 1fr));
  gap: 8px;
}

.page-about .about-map__dot {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  border: 1px solid var(--bo-line);
  background: rgba(31, 224, 200, .05);
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}

.page-about .about-map__dot::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--bo-cyan);
  opacity: .6;
}

.page-about .about-map__dot--key {
  border-color: rgba(31, 224, 200, .55);
  background: rgba(31, 224, 200, .14);
}

.page-about .about-map__dot--key::before {
  opacity: 1;
}

.page-about .about-map__dot::after {
  content: attr(data-city);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 6px);
  transform: translate(-50%, 4px);
  white-space: nowrap;
  font-size: 12px;
  padding: 4px 9px;
  border-radius: var(--bo-radius-pill);
  background: var(--bo-ink);
  color: var(--bo-white);
  border: 1px solid var(--bo-line);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
  z-index: 3;
}

.page-about .about-map__dot:hover,
.page-about .about-map__dot:focus-within {
  background: rgba(31, 224, 200, .22);
  border-color: var(--bo-cyan);
  transform: translateY(-2px);
}

.page-about .about-map__dot:hover::after,
.page-about .about-map__dot:focus-within::after {
  opacity: 1;
  transform: translate(-50%, 0);
}

.page-about .about-map__note {
  margin: clamp(18px, 3vw, 26px) 0 0;
  max-width: 68ch;
  color: rgba(247, 251, 255, .78);
  font-size: clamp(14.5px, 1.8vw, 16px);
  line-height: 1.8;
}

/* ---------- Team ---------- */
.page-about .about-team__layout {
  display: grid;
  gap: clamp(14px, 2.6vw, 22px);
  align-items: start;
}

.page-about .about-team__figure {
  margin: 0;
  border-radius: var(--bo-radius-lg);
  overflow: hidden;
  border: 1px solid var(--bo-line-soft);
  background: var(--bo-ink);
}

.page-about .about-team__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-about .about-team__side {
  display: grid;
  gap: 12px;
}

.page-about .about-team__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
}

.page-about .about-team__stat {
  padding: 14px 16px;
  border-radius: var(--bo-radius-md);
  border: 1px solid var(--bo-line-soft);
  background: rgba(11, 20, 36, .72);
}

.page-about .about-team__stat .bo-num {
  display: block;
  font-family: var(--bo-font-mono);
  font-size: clamp(25px, 4vw, 34px);
  line-height: 1.1;
  color: var(--bo-cyan);
  letter-spacing: -.02em;
}

.page-about .about-team__stat-label {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  color: var(--bo-fog);
}

.page-about .about-duty {
  display: grid;
  gap: 10px;
  padding: clamp(14px, 2.4vw, 20px);
  border: 1px dashed rgba(31, 224, 200, .38);
  border-radius: var(--bo-radius-lg);
  background: rgba(31, 224, 200, .045);
}

.page-about .about-duty__row {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.6;
}

.page-about .about-duty__time {
  font-family: var(--bo-font-mono);
  color: var(--bo-cyan);
  letter-spacing: -.01em;
}

.page-about .about-duty__text {
  color: rgba(247, 251, 255, .82);
}

/* ---------- Eco ---------- */
.page-about .about-eco__groups {
  display: grid;
  gap: 12px;
}

.page-about .about-eco__group {
  padding: clamp(14px, 2.4vw, 20px);
  border-radius: var(--bo-radius-lg);
  border: 1px solid var(--bo-line-soft);
  background: rgba(244, 235, 221, .06);
}

.page-about .about-eco__title {
  margin: 0;
  font-family: var(--bo-font-display);
  font-weight: 900;
  font-size: 16px;
  letter-spacing: -.01em;
}

.page-about .about-eco__count {
  font-family: var(--bo-font-mono);
  color: var(--bo-cyan);
  margin-left: 6px;
}

.page-about .about-eco__tags {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .about-eco__tags .bo-pill {
  font-size: 12.5px;
  line-height: 1.5;
}

.page-about .about-eco__figure {
  margin: 0;
  border-radius: var(--bo-radius-lg);
  overflow: hidden;
  border: 1px solid var(--bo-line-soft);
  background: var(--bo-ink);
}

.page-about .about-eco__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-about .about-honors {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-honors li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(247, 251, 255, .82);
}

.page-about .about-honors li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--bo-cyan);
}

/* ---------- Milestones ---------- */
.page-about .about-steps {
  display: grid;
  margin-top: 4px;
  border-top: 1px solid var(--bo-line-soft);
}

.page-about .about-step {
  border-bottom: 1px solid var(--bo-line-soft);
  transition: background .2s ease;
}

.page-about .about-step[open] {
  background: linear-gradient(90deg, rgba(31, 224, 200, .08), transparent 62%);
}

.page-about .about-step summary {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr) 22px;
  align-items: center;
  gap: 10px;
  padding: 16px 4px;
  cursor: pointer;
  list-style: none;
}

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

.page-about .about-step__year {
  font-family: var(--bo-font-mono);
  font-size: clamp(15px, 2.3vw, 19px);
  color: var(--bo-cyan);
  letter-spacing: -.01em;
}

.page-about .about-step__title {
  font-family: var(--bo-font-display);
  font-weight: 900;
  font-size: clamp(16px, 2.4vw, 21px);
  letter-spacing: -.015em;
}

.page-about .about-step summary::after {
  content: "+";
  justify-self: end;
  font-family: var(--bo-font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--bo-fog);
}

.page-about .about-step[open] summary::after {
  content: "–";
  color: var(--bo-hot);
}

.page-about .about-step__body {
  padding: 0 4px 18px;
  max-width: 62ch;
}

.page-about .about-step__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(247, 251, 255, .78);
}

/* ---------- Next steps ---------- */
.page-about .about-next {
  margin-top: clamp(36px, 6vw, 76px);
  padding-top: clamp(26px, 4vw, 42px);
  border-top: 1px solid var(--bo-line);
}

.page-about .about-next .bo-h2 {
  font-size: clamp(23px, 3.8vw, 36px);
  line-height: 1.16;
  letter-spacing: -.025em;
  font-weight: 900;
}

.page-about .about-next__links {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.page-about .about-next__link {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  border-radius: var(--bo-radius-lg);
  border: 1px solid var(--bo-line);
  background: rgba(11, 20, 36, .62);
  color: var(--bo-white);
  text-decoration: none;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.page-about .about-next__link:hover,
.page-about .about-next__link:focus-visible {
  transform: translateY(-3px);
  border-color: var(--bo-cyan);
  background: rgba(31, 224, 200, .09);
}

.page-about .about-next__label {
  font-family: var(--bo-font-display);
  font-weight: 900;
  font-size: 18px;
  letter-spacing: -.01em;
}

.page-about .about-next__desc {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--bo-fog);
}

/* ---------- Breakpoints ---------- */
@media (min-width: 640px) {
  .page-about .about-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: end;
    column-gap: clamp(20px, 3vw, 40px);
  }

  .page-about .about-hero__kicker {
    grid-column: 1 / -1;
  }

  .page-about .about-hero__title {
    grid-column: 1 / 8;
  }

  .page-about .about-hero__lead {
    grid-column: 8 / 13;
    align-self: end;
    padding-bottom: 6px;
  }

  .page-about .about-hero__stats {
    grid-column: 1 / -1;
  }

  .page-about .about-chapter {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    column-gap: clamp(26px, 4vw, 64px);
  }

  .page-about .about-chapter__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }

  .page-about .about-chapter__annot {
    writing-mode: vertical-rl;
    letter-spacing: .3em;
    padding-left: 2px;
  }

  .page-about .about-team__layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: start;
  }

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

  .page-about .about-eco__figure {
    margin-top: 4px;
  }

  .page-about .about-step summary {
    grid-template-columns: 96px minmax(0, 1fr) 26px;
    gap: 16px;
  }

  .page-about .about-step__body {
    padding-left: 112px;
  }
}

@media (min-width: 1120px) {
  .page-about .about-map__dots {
    grid-template-columns: repeat(auto-fill, minmax(42px, 1fr));
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-map__dot,
  .page-about .about-map__dot::after,
  .page-about .about-next__link {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>