.page-about {
  --about-rail-w: 196px;
  --about-line: 1px solid var(--line-light);
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-about .about-crumbs-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  align-items: baseline;
  justify-content: space-between;
  padding-block: 18px 6px;
}

.page-about .about-crumbs-row .mono-label {
  color: var(--signal);
}

/* ---------- hero ---------- */
.page-about .about-hero {
  position: relative;
  padding-bottom: 0;
  background-color: var(--ink);
  background-image:
    repeating-linear-gradient(90deg, rgba(135, 152, 166, 0.12) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, rgba(135, 152, 166, 0.12) 0 1px, transparent 1px 64px);
  color: var(--paper);
}

.page-about .about-hero-inner {
  display: grid;
  gap: 30px;
  padding-block: 30px 36px;
}

.page-about .about-hero-eyebrow {
  color: var(--mint);
  margin-bottom: 14px;
}

.page-about .about-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7vw, 78px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--paper-white);
  max-width: 15ch;
}

.page-about .about-lede {
  margin: 20px 0 0;
  max-width: 640px;
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.8;
  color: rgba(243, 235, 221, 0.82);
}

.page-about .about-hero-facts {
  list-style: none;
  margin: 0;
  padding: 0 0 0 16px;
  border-left: 2px solid var(--mint);
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-about .about-hero-facts li {
  display: grid;
  gap: 4px;
}

.page-about .about-fact-num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 700;
  color: var(--mint);
  line-height: 1;
}

.page-about .about-fact-text {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(243, 235, 221, 0.72);
}

.page-about .about-hero-media-wrap {
  padding-bottom: 0;
}

.page-about .about-hero-media {
  margin: 0;
  border: 2px solid var(--harbor);
  background: var(--harbor);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 26px));
}

.page-about .about-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-about .about-hero-media figcaption {
  padding: 12px 18px 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--steel);
  background: var(--harbor);
}

/* ---------- origin ---------- */
.page-about .about-origin {
  padding-block: clamp(34px, 6vw, 72px);
  background: var(--paper);
}

.page-about .about-origin-inner {
  background: var(--harbor);
  color: var(--paper);
  padding: clamp(24px, 4.2vw, 52px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), 0 100%);
  display: grid;
  gap: 28px;
}

.page-about .about-label-light {
  color: var(--mint);
  margin-bottom: 10px;
}

.page-about .about-origin h2,
.page-about .about-archive h2,
.page-about .about-cta h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 42px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper-white);
}

.page-about .about-origin-copy p:not(.mono-label) {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(243, 235, 221, 0.84);
}

.page-about .about-origin-notes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-about .about-origin-notes li {
  border-top: 1px solid var(--line-dark);
  padding-top: 12px;
}

.page-about .about-note-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--orange);
  border: 1px solid rgba(255, 90, 31, 0.5);
  border-radius: var(--radius-chip);
  padding: 2px 10px;
  margin-bottom: 8px;
}

.page-about .about-origin-notes p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(243, 235, 221, 0.76);
}

/* ---------- shared section head ---------- */
.page-about .about-section-head {
  margin-bottom: clamp(24px, 3.6vw, 44px);
}

.page-about .about-section-head h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(25px, 3.8vw, 44px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-about .about-section-lede {
  margin: 14px 0 0;
  max-width: 660px;
  font-family: var(--font-editorial);
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.85;
  color: #40362e;
}

/* ---------- timeline ---------- */
.page-about .about-timeline {
  padding-block: clamp(38px, 6vw, 80px);
  background-color: var(--paper);
  background-image:
    repeating-linear-gradient(90deg, rgba(135, 152, 166, 0.16) 0 1px, transparent 1px 56px),
    repeating-linear-gradient(0deg, rgba(135, 152, 166, 0.16) 0 1px, transparent 1px 56px);
  border-top: var(--about-line);
  border-bottom: var(--about-line);
}

.page-about .about-timeline-grid {
  display: grid;
  gap: 26px;
}

.page-about .about-year-rail ol {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-about .about-year-rail a {
  display: grid;
  gap: 2px;
  flex: 0 0 auto;
  padding: 9px 14px;
  border: 1px solid var(--line-light);
  border-left: 3px solid var(--steel);
  background: var(--paper-white);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.16s ease, background-color 0.16s ease, transform 0.16s ease;
}

.page-about .about-year-rail a:hover,
.page-about .about-year-rail a:focus-visible {
  border-left-color: var(--orange);
  border-color: var(--orange);
  background: #fff;
  transform: translateY(-2px);
}

.page-about .about-year-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.02em;
}

.page-about .about-year-label {
  font-size: 11px;
  color: #6a625c;
  white-space: nowrap;
}

.page-about .about-year-entries {
  display: grid;
  gap: 20px;
}

.page-about .about-year-entry {
  border-top: 2px solid var(--text);
  padding-top: 16px;
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-about .about-entry-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  margin-bottom: 10px;
}

.page-about .about-entry-year {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 30px);
  color: var(--orange);
  line-height: 1;
}

.page-about .about-year-entry h3 {
  margin: 0;
  font-size: clamp(16px, 1.9vw, 20px);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-about .about-year-entry p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: #33291f;
  max-width: 62ch;
}

.page-about .about-year-entry .data-chip {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink);
  background: var(--mint);
  border: 1px solid var(--ink);
  border-radius: var(--radius-chip);
  padding: 3px 12px;
}

/* ---------- break media ---------- */
.page-about .about-break {
  padding-block: clamp(34px, 5.6vw, 72px);
  background: var(--paper);
}

.page-about .about-break-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 3vw, 34px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 20ch;
}

.page-about .about-break-media {
  margin: 0;
  border: 2px solid var(--text);
  background: var(--ink);
  clip-path: polygon(0 22px, 100% 0, 100% 100%, 0 calc(100% - 22px));
}

.page-about .about-break-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-about .about-break-media figcaption {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--steel);
  padding: 12px 18px 16px;
  background: var(--ink);
}

/* ---------- archive ---------- */
.page-about .about-archive {
  padding-block: clamp(38px, 6vw, 80px);
  background: var(--ink);
  color: var(--paper);
}

.page-about .about-archive-grid {
  display: grid;
  gap: 30px;
}

.page-about .about-archive-copy > p:not(.mono-label) {
  margin: 16px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(243, 235, 221, 0.82);
  max-width: 56ch;
}

.page-about .about-archive-stats {
  list-style: none;
  margin: 24px 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-archive-stats li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  border-top: 1px solid var(--line-dark);
  padding-top: 10px;
}

.page-about .about-stat-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(20px, 3vw, 27px);
  color: var(--orange);
  line-height: 1;
  min-width: 84px;
}

.page-about .about-stat-label {
  font-size: 12.5px;
  color: rgba(243, 235, 221, 0.7);
  letter-spacing: 0.02em;
}

.page-about .about-category-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}

.page-about .about-category-grid li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 11px 12px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  font-size: 13.5px;
  color: var(--paper);
}

.page-about .about-cat-idx {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mint);
}

.page-about .about-archive-media {
  margin: 0;
  border: 2px solid var(--line-dark);
  background: var(--harbor);
}

.page-about .about-archive-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-about .about-archive-media figcaption {
  padding: 10px 14px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--steel);
}

/* ---------- map / hainan ---------- */
.page-about .about-map {
  padding-block: clamp(38px, 6vw, 80px);
  background: var(--paper-white);
  border-bottom: var(--about-line);
}

.page-about .about-map-grid {
  display: grid;
  gap: 28px;
}

.page-about .about-map-copy h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 42px);
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.page-about .about-map-copy p:not(.mono-label) {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: #33291f;
  max-width: 58ch;
}

.page-about .about-map-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-about .about-map-stats li {
  border-left: 3px solid var(--orange);
  padding-left: 14px;
  display: grid;
  gap: 4px;
}

.page-about .about-map-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.1;
  color: var(--ink);
  word-break: break-word;
}

.page-about .about-map-stats li:last-child .about-map-num {
  font-size: 13px;
  color: var(--signal);
  letter-spacing: 0.02em;
}

.page-about .about-map-label {
  font-size: 12.5px;
  line-height: 1.7;
  color: #5e554c;
}

/* ---------- next ---------- */
.page-about .about-next {
  padding-block: clamp(38px, 6vw, 80px);
  background: var(--paper);
}

.page-about .about-next-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-about .about-next-list li {
  border-top: 2px solid var(--text);
  padding-top: 14px;
}

.page-about .about-next-idx {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-about .about-next-list h3 {
  margin: 8px 0 8px;
  font-size: 17px;
  font-weight: 700;
}

.page-about .about-next-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #3b3129;
}

/* ---------- crew ---------- */
.page-about .about-crew {
  padding-block: clamp(38px, 6vw, 80px);
  background: var(--paper-white);
  border-top: var(--about-line);
}

.page-about .about-crew-grid {
  display: grid;
  gap: 16px;
}

.page-about .about-crew-card {
  position: relative;
  background: var(--paper);
  border: 2px solid var(--text);
  padding: 22px 20px 24px;
  transition: border-color 0.16s ease, transform 0.16s ease;
}

.page-about .about-crew-card:hover {
  border-color: var(--orange);
  transform: translateY(-2px);
}

.page-about .about-crew-idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--signal);
}

.page-about .about-crew-count {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: #5e554c;
}

.page-about .about-crew-num {
  font-weight: 700;
  font-size: clamp(28px, 4vw, 38px);
  color: var(--ink);
  line-height: 1;
  margin-right: 4px;
}

.page-about .about-crew-card h3 {
  margin: 8px 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  letter-spacing: -0.01em;
}

.page-about .about-crew-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-about .about-crew-card li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.75;
  color: #3b3129;
}

.page-about .about-crew-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 2px;
  background: var(--orange);
}

/* ---------- cta ---------- */
.page-about .about-cta {
  padding-block: clamp(38px, 6vw, 76px);
  background-color: var(--ink);
  background-image:
    repeating-linear-gradient(90deg, rgba(135, 152, 166, 0.1) 0 1px, transparent 1px 56px);
  color: var(--paper);
  clip-path: polygon(0 26px, 100% 0, 100% 100%, 0 100%);
}

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

.page-about .about-cta-copy p:not(.mono-label) {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(243, 235, 221, 0.78);
  max-width: 46ch;
}

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

/* ---------- responsive ---------- */
@media (min-width: 720px) {
  .page-about .about-origin-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 36px;
  }

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

  .page-about .about-archive-stats li {
    display: grid;
    gap: 6px;
    align-items: start;
  }

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

  .page-about .about-next-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

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

  .page-about .about-cta-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 32px;
  }

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

@media (min-width: 860px) {
  .page-about .about-hero-inner {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 48px;
    align-items: end;
    padding-block: 52px 56px;
  }

  .page-about .about-hero-facts {
    padding-bottom: 8px;
  }

  .page-about .about-break-media img {
    aspect-ratio: 16 / 9;
  }
}

@media (min-width: 960px) {
  .page-about .about-timeline-grid {
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-about .about-year-rail {
    position: sticky;
    top: calc(var(--header-h) + 32px);
  }

  .page-about .about-year-rail ol {
    display: grid;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .about-year-rail a {
    border: none;
    border-left: 3px solid var(--line-light);
    background: transparent;
    padding: 8px 12px;
  }

  .page-about .about-year-rail a:hover,
  .page-about .about-year-rail a:focus-visible {
    background: var(--paper-white);
    border-color: transparent;
    border-left-color: var(--orange);
  }

  .page-about .about-archive-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }

  .page-about .about-map-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
    align-items: start;
  }

  .page-about .about-year-entries {
    gap: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-year-rail a,
  .page-about .about-crew-card {
    transition: none;
  }

  .page-about .about-year-rail a:hover,
  .page-about .about-year-rail a:focus-visible,
  .page-about .about-crew-card:hover {
    transform: none;
  }
}
<<<END>>>