.page-about {
  --about-card: rgba(11, 45, 79, .78);
  --about-hair: rgba(215, 222, 229, .13);
  --about-hair-strong: rgba(216, 168, 78, .32);
  background:
    radial-gradient(circle at 84% -6%, rgba(216, 168, 78, .16), transparent 52%),
    radial-gradient(circle at 4% 42%, rgba(20, 80, 122, .38), transparent 46%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 62%, var(--ink-900) 100%);
  color: var(--text-on-dark);
  font-family: var(--font-body);
  padding-bottom: clamp(32px, 6vw, 64px);
}

.page-about .wrap {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-about .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}

/* ---------- hero ---------- */
.page-about .about-hero {
  padding-block: clamp(18px, 3vw, 34px) clamp(34px, 6vw, 68px);
}

.page-about .about-hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-about .about-kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold-500);
}

.page-about .about-title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6.4vw, 4.1rem);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: #fff;
}

.page-about .about-title span {
  display: block;
  font-weight: 300;
  font-size: .52em;
  line-height: 1.3;
  letter-spacing: .01em;
  margin-top: 12px;
  background: linear-gradient(96deg, var(--gold-200), var(--gold-500) 58%, var(--celadon));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-about .about-lede {
  margin: 0;
  max-width: 48ch;
  font-size: clamp(1rem, 1.7vw, 1.1rem);
  line-height: 1.9;
  color: var(--text-soft-dark);
}

.page-about .about-facts {
  display: grid;
  gap: 2px;
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--about-hair-strong);
  border-radius: var(--radius-lg);
  background: linear-gradient(152deg, rgba(20, 80, 122, .55), rgba(6, 27, 51, .82));
  box-shadow: var(--shadow-panel);
}

.page-about .about-fact {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-block: 12px;
  border-bottom: 1px dashed var(--about-hair);
}

.page-about .about-fact:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-about .about-fact-label {
  font-size: .88rem;
  color: var(--text-mute-dark);
  letter-spacing: .02em;
}

.page-about .about-fact strong {
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  font-weight: 600;
  color: var(--gold-200);
}

/* ---------- section shell ---------- */
.page-about .about-section {
  padding-block: clamp(34px, 5.6vw, 68px);
  border-top: 1px solid var(--about-hair);
}

.page-about .about-head {
  max-width: 62ch;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-about .about-h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 3.4vw, 2.3rem);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: #fff;
}

.page-about .about-sub {
  margin: 12px 0 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--text-mute-dark);
}

.page-about .about-body {
  margin: 14px 0 0;
  font-size: .96rem;
  line-height: 1.9;
  color: var(--text-soft-dark);
}

/* ---------- split blocks ---------- */
.page-about .about-split {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
}

.page-about .about-split-text { min-width: 0; }

.page-about .about-points {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-points li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--text-soft-dark);
}

.page-about .dot {
  width: 9px;
  height: 9px;
  margin-top: .55em;
  border-radius: 50%;
  display: block;
}

.page-about .dot-gold { background: var(--gold-500); }
.page-about .dot-celadon { background: var(--celadon); }
.page-about .dot-red { background: var(--cinnabar); }

/* ---------- figures ---------- */
.page-about .about-figure {
  margin: 0;
  border: 1px solid var(--about-hair-strong);
  border-radius: var(--radius-lg);
  background: rgba(11, 45, 79, .55);
  overflow: hidden;
  box-shadow: var(--shadow-panel);
}

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

.page-about .about-figure figcaption {
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--text-mute-dark);
  border-top: 1px solid var(--about-hair);
}

.page-about .about-figure--wide,
.page-about .about-figure--team {
  margin-top: clamp(22px, 4vw, 38px);
}

/* ---------- timeline ---------- */
.page-about .era-grid {
  display: grid;
  gap: 18px;
}

.page-about .era-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.page-about .era-rail a {
  flex: 0 0 auto;
  padding: 7px 16px;
  border: 1px solid var(--about-hair-strong);
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: .85rem;
  letter-spacing: .06em;
  color: var(--text-soft-dark);
  text-decoration: none;
  transition: color .22s ease, border-color .22s ease, background-color .22s ease;
}

.page-about .era-rail a:hover,
.page-about .era-rail a:focus-visible {
  color: var(--ink-900);
  background: var(--gold-500);
  border-color: var(--gold-500);
}

.page-about .era-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-about .era-item {
  position: relative;
  scroll-margin-top: 96px;
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--about-hair);
  border-radius: var(--radius-lg);
  background: linear-gradient(158deg, var(--about-card), rgba(6, 27, 51, .9));
  transition: border-color .24s ease, transform .24s ease, box-shadow .24s ease;
}

.page-about .era-item:hover {
  border-color: var(--gold-500);
  transform: translateY(-2px);
}

.page-about .era-item:target {
  border-color: var(--gold-500);
  box-shadow: inset 0 0 0 1px rgba(216, 168, 78, .45);
}

.page-about .era-year {
  display: block;
  font-family: var(--font-mono);
  font-size: .86rem;
  letter-spacing: .1em;
  color: var(--gold-500);
}

.page-about .era-item h3 {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: .01em;
}

.page-about .era-item p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.85;
  color: var(--text-soft-dark);
}

/* ---------- team ---------- */
.page-about .team-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}

.page-about .team-card {
  --accent: var(--gold-500);
  padding: clamp(18px, 3vw, 24px);
  border: 1px solid var(--about-hair);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius-md);
  background: rgba(20, 80, 122, .3);
  transition: border-color .24s ease, background-color .24s ease;
}

.page-about .team-card:nth-child(2) { --accent: var(--celadon); }
.page-about .team-card:nth-child(3) { --accent: var(--cinnabar); }
.page-about .team-card:nth-child(4) { --accent: var(--gold-200); }

.page-about .team-card:hover {
  background: rgba(20, 80, 122, .46);
}

.page-about .team-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4vw, 2.6rem);
  line-height: 1;
  color: var(--accent);
}

.page-about .team-role {
  display: block;
  margin-top: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  letter-spacing: .02em;
}

.page-about .team-card p {
  margin: 8px 0 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--text-soft-dark);
}

/* ---------- rhythm ---------- */
.page-about .rhythm {
  display: grid;
  border-top: 1px solid var(--about-hair);
}

.page-about .rhythm-row {
  display: grid;
  gap: 6px;
  padding-block: 16px;
  border-bottom: 1px solid var(--about-hair);
}

.page-about .rhythm-time {
  font-family: var(--font-mono);
  font-size: .88rem;
  letter-spacing: .04em;
  color: var(--gold-500);
}

.page-about .rhythm-text {
  font-size: .92rem;
  line-height: 1.8;
  color: var(--text-soft-dark);
}

/* ---------- scenes ---------- */
.page-about .scene-grid {
  display: grid;
  gap: 14px;
}

.page-about .scene {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--about-hair);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(11, 45, 79, .82), rgba(6, 27, 51, .58));
  transition: border-color .24s ease, transform .24s ease;
}

.page-about .scene:hover {
  border-color: var(--gold-500);
  transform: translateY(-3px);
}

.page-about .scene h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
  color: #fff;
}

.page-about .scene p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--text-soft-dark);
}

.page-about .about-link {
  margin-top: auto;
  padding-bottom: 2px;
  font-size: .9rem;
  color: var(--gold-500);
  text-decoration: none;
  border-bottom: 1px solid rgba(216, 168, 78, .42);
  transition: color .2s ease, border-color .2s ease;
}

.page-about .about-link:hover,
.page-about .about-link:focus-visible {
  color: var(--gold-200);
  border-color: var(--gold-200);
}

/* ---------- partners ---------- */
.page-about .partner {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
}

.page-about .partner-lead { min-width: 0; }

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

.page-about .partner-card {
  padding: clamp(16px, 2.6vw, 22px);
  border: 1px solid var(--about-hair);
  border-radius: var(--radius-md);
  background: rgba(6, 27, 51, .55);
}

.page-about .partner-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3.4vw, 2.1rem);
  line-height: 1.1;
  color: var(--gold-200);
}

.page-about .partner-label {
  display: block;
  margin-top: 6px;
  font-size: .84rem;
  letter-spacing: .08em;
  color: var(--celadon);
}

.page-about .partner-card p {
  margin: 8px 0 0;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--text-soft-dark);
}

/* ---------- cta ---------- */
.page-about .about-section--last {
  border-top: 0;
  padding-top: clamp(10px, 2vw, 20px);
}

.page-about .about-cta {
  position: relative;
  display: grid;
  gap: 18px;
  padding: clamp(22px, 4vw, 42px);
  border: 1px solid var(--about-hair-strong);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(118deg, rgba(198, 71, 58, .2), rgba(216, 168, 78, .18) 48%, rgba(127, 174, 154, .2));
  overflow: hidden;
}

.page-about .cta-ornament {
  width: 120px;
  height: 60px;
  color: rgba(243, 217, 164, .45);
}

.page-about .about-body--cta {
  margin-top: 12px;
  max-width: 58ch;
  color: var(--text-on-dark);
}

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

@media (min-width: 640px) {
  .page-about .team-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-about .rhythm-row {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

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

@media (min-width: 900px) {
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-about .about-split {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .about-split--reverse {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  }

  .page-about .era-grid {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 30px;
    align-items: start;
  }

  .page-about .era-rail {
    flex-direction: column;
    overflow: visible;
    position: sticky;
    top: 104px;
    padding-bottom: 0;
  }

  .page-about .era-rail a {
    text-align: center;
  }

  .page-about .era-list {
    border-left: 1px solid rgba(216, 168, 78, .3);
    padding-left: 30px;
    gap: 18px;
  }

  .page-about .era-item::before {
    content: "";
    position: absolute;
    left: -36px;
    top: 32px;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--ink-900);
    border: 2px solid var(--gold-500);
  }

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

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

  .page-about .partner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .partner-cards {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

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

  .page-about .cta-ornament {
    position: absolute;
    right: 28px;
    bottom: 18px;
    opacity: .7;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .era-item,
  .page-about .scene,
  .page-about .team-card,
  .page-about .about-link,
  .page-about .era-rail a {
    transition: none;
  }

  .page-about .era-item:hover,
  .page-about .scene:hover {
    transform: none;
  }
}
<<<END>>>