.page-about {
  --about-rule: rgba(52, 83, 70, 0.72);
  --about-paper-ink: #16241D;
  --about-paper-muted: #4A5F52;
  --about-soft-lime: rgba(200, 255, 74, 0.12);
}

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

.page-about .about-hero {
  position: relative;
  padding: clamp(20px, 3.6vw, 44px) 0 clamp(36px, 5vw, 72px);
  background:
    radial-gradient(110% 80% at 88% 0%, rgba(200, 255, 74, 0.13), transparent 58%),
    radial-gradient(90% 70% at 0% 100%, rgba(255, 139, 61, 0.09), transparent 62%),
    linear-gradient(180deg, var(--ink-800), var(--ink-900));
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
  align-items: end;
}

.page-about .about-hero-main h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.6vw, 3.9rem);
  line-height: 1.05;
  letter-spacing: -0.012em;
  font-weight: 800;
  margin: 14px 0 20px;
  color: var(--paper);
  max-width: 18em;
}

.page-about .about-hero-main .lede {
  max-width: 46em;
  color: var(--muted);
  font-size: clamp(0.95rem, 1.3vw, 1.06rem);
  line-height: 1.8;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .hero-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--about-rule);
  border: 1px solid var(--about-rule);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-about .hero-figures > div {
  background: var(--panel);
  padding: 16px 18px 18px;
}

.page-about .hero-figures dt {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

.page-about .hero-figures dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  font-variant-numeric: tabular-nums;
  color: var(--paper);
  font-weight: 700;
}

.page-about .hero-figures dd .mono-num {
  color: var(--lime);
}

.page-about .about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 44px);
  align-items: start;
}

.page-about .about-index {
  border: 1px solid var(--about-rule);
  border-radius: var(--radius-lg);
  padding: 18px 20px 20px;
  background: rgba(22, 51, 41, 0.55);
}

.page-about .index-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 14px;
}

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

.page-about .index-list li + li {
  border-top: 1px dashed var(--about-rule);
}

.page-about .index-list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 2px;
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.18s var(--ease);
}

.page-about .index-list a .mono-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--line);
  transition: color 0.18s var(--ease);
}

.page-about .index-list a:hover,
.page-about .index-list a:focus-visible {
  color: var(--lime);
}

.page-about .index-list a:hover .mono-num,
.page-about .index-list a:focus-visible .mono-num {
  color: var(--lime);
}

.page-about .index-note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--about-rule);
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

.page-about .about-board {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--about-rule);
  border-radius: var(--radius-xl);
  padding: clamp(20px, 3.4vw, 40px);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
}

.page-about .about-board + .about-board {
  margin-top: clamp(18px, 2.6vw, 32px);
}

.page-about .board-head {
  display: flex;
  align-items: flex-start;
  gap: clamp(12px, 2vw, 22px);
  margin-bottom: 18px;
}

.page-about .board-head .chapter-num {
  font-family: var(--font-mono);
  font-size: clamp(2.1rem, 5vw, 3.2rem);
  line-height: 0.86;
  font-variant-numeric: tabular-nums;
  color: var(--line);
  transition: color 0.25s var(--ease);
}

.page-about .chapter.is-active .board-head .chapter-num {
  color: var(--lime);
}

.page-about .board-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.24rem, 2.6vw, 1.72rem);
  line-height: 1.28;
  font-weight: 800;
  letter-spacing: -0.005em;
  margin: 0;
  color: var(--paper);
}

.page-about .board-intro {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  margin: 0 0 22px;
  max-width: 60em;
}

.page-about .board-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 32px);
  align-items: start;
}

.page-about .board-text p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper);
  margin: 0 0 15px;
}

.page-about .board-text p:last-child {
  margin-bottom: 0;
}

.page-about .keyline {
  border-left: 3px solid var(--lime);
  padding-left: 14px;
  color: var(--lime-soft) !important;
  font-size: 14.5px !important;
}

.page-about .about-media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--olive);
  border: 1px solid var(--about-rule);
}

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

.page-about .about-media .media-caption {
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
  padding: 12px 16px;
  border-top: 1px solid var(--about-rule);
  background: rgba(10, 15, 13, 0.35);
}

.page-about .about-board--paper {
  background: var(--paper);
  border-color: rgba(20, 32, 26, 0.18);
  color: var(--about-paper-ink);
}

.page-about .about-board--paper .board-head h2 {
  color: var(--about-paper-ink);
}

.page-about .about-board--paper .board-head .chapter-num {
  color: rgba(20, 32, 26, 0.26);
}

.page-about .about-board--paper .board-text p {
  color: var(--about-paper-ink);
}

.page-about .about-board--paper .about-media {
  border-color: rgba(20, 32, 26, 0.2);
  background: #20302A;
}

.page-about .about-board--paper .media-caption {
  color: var(--about-paper-muted);
  border-top-color: rgba(20, 32, 26, 0.18);
  background: rgba(255, 255, 255, 0.35);
}

.page-about .check-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-about .check-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 13px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--about-paper-ink);
}

.page-about .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: #1C5B3D;
}

.page-about .check-list strong {
  display: inline-block;
  margin-right: 6px;
  font-weight: 700;
}

.page-about .team-table {
  border-top: 1px solid var(--about-rule);
}

.page-about .team-row {
  border-bottom: 1px solid var(--about-rule);
}

.page-about .team-trigger {
  display: grid;
  grid-template-columns: 3.2rem minmax(0, 1fr) auto;
  grid-template-areas:
    "scale role sign"
    "scale desc sign";
  align-items: center;
  gap: 2px 14px;
  width: 100%;
  padding: 16px 4px;
  background: transparent;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: var(--paper);
  font: inherit;
  transition: color 0.18s var(--ease);
}

.page-about .team-trigger:hover,
.page-about .team-trigger:focus-visible {
  color: var(--lime);
}

.page-about .team-scale {
  grid-area: scale;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-variant-numeric: tabular-nums;
  color: var(--lime);
  line-height: 1;
}

.page-about .team-role {
  grid-area: role;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.01em;
}

.page-about .team-desc {
  grid-area: desc;
  font-size: 12.5px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.page-about .team-sign {
  grid-area: sign;
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--line);
  transition: transform 0.2s var(--ease), color 0.2s var(--ease);
}

.page-about .team-trigger[aria-expanded="true"] .team-sign {
  transform: rotate(45deg);
  color: var(--lime);
}

.page-about .team-panel {
  padding: 0 4px 18px;
}

.page-about .team-panel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 52em;
}

.page-about .team-panel:not(.is-visible) {
  display: none;
}

.page-about .about-timeline {
  display: flex;
  gap: 14px;
  margin: 0;
  padding: 4px 2px 16px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-about .tl-node {
  flex: 0 0 min(74vw, 244px);
  scroll-snap-align: start;
  background: var(--ink-800);
  border: 1px solid var(--about-rule);
  border-top: 3px solid var(--orange);
  border-radius: var(--radius-md);
  padding: 16px 16px 18px;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-about .tl-node:hover,
.page-about .tl-node:focus-within {
  border-color: var(--lime);
  border-top-color: var(--orange);
  background: var(--olive);
}

.page-about .tl-year {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
  color: var(--ink-900);
  background: var(--lime);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
  margin-bottom: 12px;
}

.page-about .tl-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14.5px;
  line-height: 1.45;
  color: var(--paper);
}

.page-about .tl-note {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
  opacity: 0.62;
  max-height: 3.4em;
  overflow: hidden;
  transition: opacity 0.22s var(--ease), max-height 0.28s var(--ease), color 0.22s var(--ease);
}

.page-about .tl-node:hover .tl-note,
.page-about .tl-node:focus-within .tl-note {
  opacity: 1;
  max-height: 9em;
  color: var(--lime-soft);
}

.page-about .tone-list {
  list-style: none;
  margin: 16px 0 20px;
  padding: 0;
}

.page-about .tone-list li {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  margin-bottom: 11px;
}

.page-about .tone-list strong {
  color: var(--paper);
  font-weight: 700;
}

.page-about .tone-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-top: 7px;
}

.page-about .tone-dot--lime { background: var(--lime); }
.page-about .tone-dot--orange { background: var(--orange); }
.page-about .tone-dot--paper { background: var(--paper); }

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

.page-about .partner-card {
  background: var(--ink-800);
  border: 1px solid var(--about-rule);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about .partner-card:hover {
  transform: translateY(-3px);
  border-color: var(--lime);
}

.page-about .partner-card .tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--about-rule);
  border-radius: var(--radius-pill);
  padding: 3px 9px;
  margin: 0 0 12px;
}

.page-about .partner-card .tag--hot {
  color: var(--orange);
  border-color: rgba(255, 139, 61, 0.5);
}

.page-about .partner-card h3 {
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 800;
  line-height: 1.4;
  margin: 0 0 10px;
  color: var(--paper);
}

.page-about .partner-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-about .partner-card--accent {
  background: linear-gradient(155deg, rgba(255, 139, 61, 0.16), transparent 62%), var(--panel);
}

.page-about .about-board--final {
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(200, 255, 74, 0.12), transparent 60%),
    var(--ink-800);
  border-color: rgba(200, 255, 74, 0.24);
}

.page-about .next-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.page-about .next-link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "kicker arrow"
    "title arrow";
  align-items: center;
  gap: 6px 16px;
  padding: 16px 18px;
  border: 1px solid var(--about-rule);
  border-radius: var(--radius-md);
  background: rgba(22, 51, 41, 0.7);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-about .next-link:hover,
.page-about .next-link:focus-visible {
  border-color: var(--lime);
  background: rgba(32, 40, 31, 0.85);
}

.page-about .next-kicker {
  grid-area: kicker;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-about .next-title {
  grid-area: title;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--paper);
}

.page-about .next-arrow {
  grid-area: arrow;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--line);
  transition: transform 0.2s var(--ease), color 0.2s var(--ease);
}

.page-about .next-link:hover .next-arrow,
.page-about .next-link:focus-visible .next-arrow {
  color: var(--lime);
  transform: translateX(4px);
}

.page-about .contact-strip {
  border-top: 1px dashed var(--about-rule);
  padding-top: 20px;
}

.page-about .contact-strip-title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  color: var(--muted);
}

.page-about .contact-strip-rows p {
  display: grid;
  grid-template-columns: 4.2em minmax(0, 1fr);
  gap: 10px;
  margin: 0 0 9px;
  font-size: 13.5px;
  line-height: 1.7;
}

.page-about .contact-strip-rows .contact-label {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding-top: 3px;
}

.page-about .contact-strip-rows .contact-value {
  color: var(--paper);
  word-break: break-word;
}

.page-about .contact-strip-note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--muted);
}

@media (min-width: 720px) {
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(230px, 300px);
  }

  .page-about .board-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-about .board-grid--reverse {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.75fr);
  }

  .page-about .board-grid--stack {
    grid-template-columns: minmax(0, 1fr);
  }

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

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

  .page-about .next-link {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "kicker"
      "title"
      "arrow";
    align-items: start;
  }

  .page-about .next-arrow {
    justify-self: start;
  }
}

@media (min-width: 960px) {
  .page-about .about-layout {
    grid-template-columns: minmax(190px, 232px) minmax(0, 1fr);
  }

  .page-about .about-index {
    position: sticky;
    top: 92px;
  }

  .page-about .board-grid--stack {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  }

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

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

@media (min-width: 1200px) {
  .page-about .about-board {
    padding: 44px 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .tl-note,
  .page-about .partner-card,
  .page-about .next-arrow,
  .page-about .team-sign {
    transition: none;
  }

  .page-about .partner-card:hover {
    transform: none;
  }
}
<<<END>>>