.page-about {
  --about-gap: clamp(22px, 4vw, 44px);
  --about-wash: linear-gradient(180deg, rgba(217, 178, 106, 0.1), rgba(217, 178, 106, 0) 72%);
  color: var(--paper-sand);
  overflow-x: clip;
}

.page-about .breadcrumb {
  margin: clamp(14px, 3vw, 26px) 0 0;
}

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

.page-about .about-hero {
  padding: clamp(16px, 3vw, 32px) 0 clamp(10px, 2vw, 18px);
}

.page-about .about-hero__inner {
  display: grid;
  gap: clamp(14px, 2.5vw, 24px);
}

.page-about .about-hero__frame {
  position: relative;
  border: 1px solid var(--archive-line);
  border-radius: var(--radius);
  padding: clamp(26px, 5vw, 64px) clamp(18px, 4vw, 56px) clamp(28px, 5vw, 56px);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(255, 138, 43, 0.12), transparent 62%),
    linear-gradient(160deg, rgba(23, 41, 63, 0.92), rgba(10, 21, 34, 0.42));
  overflow: hidden;
}

.page-about .about-hero__frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--archive-line) 0 1px, transparent 1px 15px);
  opacity: 0.85;
}

.page-about .about-hero__frame::after {
  content: "";
  position: absolute;
  top: 12px;
  right: 12px;
  width: 58px;
  height: 58px;
  border-top: 1px solid var(--sand-gold);
  border-right: 1px solid var(--sand-gold);
  opacity: 0.55;
}

.page-about .about-hero__frame h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.85rem, 5vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: 0.01em;
  margin: 12px 0 0;
}

.page-about .about-header-lede {
  margin: clamp(14px, 2.4vw, 22px) 0 0;
  max-width: 60ch;
  color: var(--muted-paper);
  font-size: clamp(0.95rem, 1.9vw, 1.05rem);
  line-height: 1.9;
}

.page-about .about-hero__meta {
  margin-top: clamp(20px, 3.5vw, 34px);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1px;
  background: var(--archive-line);
  border: 1px solid var(--archive-line);
}

.page-about .about-hero__meta-item {
  background: rgba(16, 31, 51, 0.86);
  padding: clamp(12px, 2vw, 18px);
}

.page-about .about-hero__meta-num {
  display: block;
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  color: var(--sand-gold);
  line-height: 1;
}

.page-about .about-hero__meta-label {
  display: block;
  margin-top: 8px;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--muted-paper);
}

.page-about .about-hero__cta {
  margin-top: clamp(20px, 3.5vw, 30px);
}

.page-about .about-hero__rail-note {
  display: none;
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--sand-gold);
  opacity: 0.8;
  writing-mode: vertical-rl;
  justify-self: end;
  align-self: start;
}

.page-about .about-jump {
  border-top: 1px solid var(--archive-line);
  border-bottom: 1px solid var(--archive-line);
  background: rgba(16, 31, 51, 0.5);
}

.page-about .about-jump__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 6px clamp(10px, 2.4vw, 26px);
  padding-top: 12px;
  padding-bottom: 12px;
}

.page-about .about-jump__link {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  font-size: 0.82rem;
  color: var(--muted-paper);
  text-decoration: none;
  padding: 4px 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-about .about-jump__link .mono {
  color: var(--helan-slate);
  font-size: 11px;
}

.page-about .about-jump__link:hover,
.page-about .about-jump__link:focus-visible {
  color: var(--paper-sand);
  border-bottom-color: var(--amber-orange);
}

.page-about .about-band {
  position: relative;
  padding: clamp(40px, 7vw, 88px) 0;
}

.page-about .about-band--intro {
  background-image: var(--about-wash);
}

.page-about .about-band--timeline {
  background: linear-gradient(180deg, rgba(16, 31, 51, 0.72), rgba(10, 21, 34, 0));
  border-top: 1px solid var(--archive-line);
}

.page-about .about-band--duty {
  background: linear-gradient(180deg, rgba(23, 41, 63, 0.55), rgba(10, 21, 34, 0.1));
  border-top: 1px solid var(--archive-line);
}

.page-about .about-band--team {
  border-top: 1px solid var(--archive-line);
}

.page-about .about-band--scale {
  background: linear-gradient(180deg, rgba(23, 41, 63, 0.6), rgba(10, 21, 34, 0.15));
  border-top: 1px solid var(--archive-line);
}

.page-about .about-band--eco {
  border-top: 1px solid var(--archive-line);
}

.page-about .about-band--audit {
  background: linear-gradient(180deg, rgba(23, 41, 63, 0.5), rgba(10, 21, 34, 0.1));
  border-top: 1px solid var(--archive-line);
}

.page-about .about-band--cta {
  border-top: 1px solid var(--sand-gold);
  background: radial-gradient(90% 120% at 0% 100%, rgba(217, 178, 106, 0.14), transparent 60%);
}

.page-about .chapter-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(12px, 2.2vw, 26px);
  align-items: start;
  margin-bottom: var(--about-gap);
}

.page-about .chapter-head__num {
  font-size: clamp(1.9rem, 4.6vw, 3.2rem);
  line-height: 0.95;
  color: var(--sand-gold);
  opacity: 0.82;
}

.page-about .chapter-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 3.1vw, 2.1rem);
  line-height: 1.22;
  letter-spacing: 0.01em;
  margin: 0;
}

.page-about .chapter-head__sub {
  margin: 10px 0 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--helan-slate);
}

.page-about .about-lead {
  max-width: 62ch;
  margin: 0 0 var(--about-gap);
  color: var(--muted-paper);
  line-height: 1.9;
  font-size: clamp(0.95rem, 1.9vw, 1.02rem);
}

.page-about .about-split {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
}

.page-about .about-split__text .prose p {
  margin: 0 0 1.15em;
  line-height: 1.9;
  color: var(--paper-sand);
  font-size: clamp(0.94rem, 1.85vw, 1rem);
}

.page-about .about-note {
  margin-top: 1.4em;
  padding-left: 14px;
  border-left: 2px solid var(--sand-gold);
  color: var(--muted-paper) !important;
  font-size: 0.9rem !important;
}

.page-about .media-frame {
  margin: 0;
  border: 1px solid var(--archive-line);
  border-radius: var(--radius);
  background: var(--ink-700);
  overflow: hidden;
}

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

.page-about .media-frame__caption {
  padding: 10px 14px 12px;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--muted-paper);
  border-top: 1px solid var(--archive-line);
}

.page-about .yearline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-about .yearline::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 5px;
  width: 1px;
  background: linear-gradient(180deg, var(--sand-gold), rgba(217, 178, 106, 0.35) 45%, rgba(43, 63, 85, 0));
}

.page-about .yearline__item {
  position: relative;
  padding-left: 26px;
  padding-bottom: clamp(10px, 1.8vw, 16px);
}

.page-about .yearline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 1px solid var(--sand-gold);
}

.page-about .yearnode {
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: background 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-about .yearnode[open] {
  background: rgba(23, 41, 63, 0.6);
  border-color: var(--archive-line);
}

.page-about .yearnode__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px clamp(10px, 2vw, 20px);
  padding: 10px 12px;
  cursor: pointer;
  list-style: none;
}

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

.page-about .yearnode__year {
  font-size: clamp(1.5rem, 4.4vw, 2.5rem);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--sand-gold);
  transition: color 0.24s var(--ease);
}

.page-about .yearnode[open] .yearnode__year {
  color: var(--amber-orange);
}

.page-about .yearnode__label {
  font-size: clamp(0.9rem, 1.9vw, 1.05rem);
  color: var(--paper-sand);
}

.page-about .yearnode__toggle {
  margin-left: auto;
  width: 12px;
  height: 12px;
  border-right: 1px solid var(--helan-slate);
  border-bottom: 1px solid var(--helan-slate);
  transform: rotate(45deg) translate(-3px, -3px);
  transition: transform 0.24s var(--ease);
  align-self: center;
}

.page-about .yearnode[open] .yearnode__toggle {
  transform: rotate(-135deg) translate(-3px, -3px);
  border-color: var(--amber-orange);
}

.page-about .yearnode__body {
  padding: 0 12px 14px;
}

.page-about .yearnode__body p {
  margin: 0;
  color: var(--muted-paper);
  font-size: 0.9rem;
  line-height: 1.85;
}

.page-about .duty-grid {
  display: grid;
  gap: clamp(14px, 2.4vw, 22px);
  padding-bottom: clamp(0px, 2vw, 28px);
}

.page-about .duty-card {
  position: relative;
  background: var(--ink-800);
  border: 1px solid var(--archive-line);
  border-left: 2px solid var(--archive-line);
  border-radius: var(--radius);
  padding: clamp(18px, 3vw, 28px);
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease), background 0.24s var(--ease);
}

.page-about .duty-card:hover {
  border-left-color: var(--amber-orange);
  background: var(--ink-700);
  transform: translateY(-3px);
}

.page-about .duty-card__num {
  display: block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--helan-slate);
}

.page-about .duty-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  margin: 10px 0 10px;
  color: var(--paper-sand);
}

.page-about .duty-card__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--muted-paper);
}

.page-about .duty-card__scene {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--sand-gold);
  opacity: 0.9;
}

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

.page-about .team-node {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 0 12px;
  align-items: start;
  background: var(--ink-800);
  border: 1px solid var(--archive-line);
  border-radius: var(--radius);
  padding: 14px 16px;
  transition: border-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-about .team-node:hover {
  border-color: var(--sand-gold);
  transform: translateX(4px);
}

.page-about .team-node__count {
  font-size: 1.35rem;
  line-height: 1.2;
  color: var(--sand-gold);
}

.page-about .team-node__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--paper-sand);
}

.page-about .team-node__duty {
  margin: 6px 0 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--muted-paper);
}

.page-about .stat-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--archive-line);
  border: 1px solid var(--archive-line);
  margin-bottom: clamp(22px, 3.5vw, 36px);
}

.page-about .stat-cell {
  background: var(--ink-800);
  padding: clamp(16px, 3vw, 26px);
}

.page-about .stat-cell__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3.6vw, 2.3rem);
  line-height: 1;
  color: var(--sand-gold);
  letter-spacing: 0.02em;
}

.page-about .stat-cell__label {
  display: block;
  margin-top: 10px;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--muted-paper);
}

.page-about .about-scale__media {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-about .about-scale__note {
  max-width: 60ch;
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--amber-orange);
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--muted-paper);
}

.page-about .eco-grid {
  display: grid;
  gap: clamp(14px, 2.4vw, 22px);
}

.page-about .eco-card {
  background: var(--ink-800);
  border: 1px solid var(--archive-line);
  border-radius: var(--radius);
  transition: border-color 0.24s var(--ease);
}

.page-about .eco-card[open] {
  border-color: var(--sand-gold);
}

.page-about .eco-card__head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 14px;
  align-items: center;
  padding: clamp(16px, 2.6vw, 22px);
  cursor: pointer;
  list-style: none;
}

.page-about .eco-card__head::-webkit-details-marker {
  display: none;
}

.page-about .eco-card__tag {
  grid-column: 1 / 2;
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--helan-slate);
}

.page-about .eco-card__title {
  grid-column: 1 / 2;
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  color: var(--paper-sand);
}

.page-about .eco-card__toggle {
  grid-column: 2 / 3;
  grid-row: 1 / 3;
  width: 12px;
  height: 12px;
  border-right: 1px solid var(--helan-slate);
  border-bottom: 1px solid var(--helan-slate);
  transform: rotate(45deg) translate(-3px, -3px);
  transition: transform 0.24s var(--ease);
}

.page-about .eco-card[open] .eco-card__toggle {
  transform: rotate(-135deg) translate(-3px, -3px);
  border-color: var(--amber-orange);
}

.page-about .eco-card__body {
  padding: 0 clamp(16px, 2.6vw, 22px) clamp(16px, 2.6vw, 22px);
}

.page-about .eco-card__body p {
  margin: 0 0 0.9em;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--muted-paper);
}

.page-about .eco-card__body p:last-child {
  margin-bottom: 0;
}

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

.page-about .audit-step {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--archive-line);
}

.page-about .audit-step__num {
  font-size: 1.1rem;
  color: var(--sand-gold);
  line-height: 1.5;
}

.page-about .audit-step__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--paper-sand);
}

.page-about .audit-step p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--muted-paper);
}

.page-about .audit-aside {
  align-self: start;
  background: linear-gradient(170deg, rgba(23, 41, 63, 0.9), rgba(16, 31, 51, 0.6));
  border: 1px solid var(--archive-line);
  border-top: 2px solid var(--sand-gold);
  border-radius: var(--radius);
  padding: clamp(18px, 3vw, 28px);
}

.page-about .audit-aside__label {
  margin: 0;
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--helan-slate);
}

.page-about .audit-aside__text {
  margin: 10px 0 0;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--muted-paper);
}

.page-about .audit-aside .divider {
  margin: 20px 0;
  height: 1px;
  background: var(--archive-line);
}

.page-about .audit-aside__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.page-about .about-cta {
  text-align: left;
}

.page-about .about-cta__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.4vw, 2.2rem);
  line-height: 1.2;
  margin: 0;
}

.page-about .about-cta__text {
  margin: 14px 0 0;
  max-width: 56ch;
  color: var(--muted-paper);
  line-height: 1.9;
  font-size: 0.95rem;
}

.page-about .about-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-about a:focus-visible,
.page-about summary:focus-visible {
  outline: 2px solid var(--amber-orange);
  outline-offset: 3px;
}

@media (min-width: 720px) {
  .page-about .about-hero__inner {
    grid-template-columns: 1fr auto;
    align-items: start;
  }

  .page-about .about-hero__rail-note {
    display: block;
  }

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

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

@media (min-width: 900px) {
  .page-about .about-split {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-about .about-split--team {
    grid-template-columns: 6fr 5fr;
  }

  .page-about .about-split--audit {
    grid-template-columns: 7fr 4fr;
  }

  .page-about .about-split__media {
    position: sticky;
    top: 96px;
  }

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

  .page-about .duty-card:nth-child(even) {
    margin-top: 28px;
  }

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

  .page-about .yearline__item {
    padding-left: 40px;
  }

  .page-about .yearline::before {
    left: 5px;
  }
}

@media (min-width: 1100px) {
  .page-about .chapter-head {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .page-about .about-hero__frame h1 {
    max-width: 18ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .duty-card,
  .page-about .team-node,
  .page-about .yearnode,
  .page-about .eco-card,
  .page-about .yearnode__toggle,
  .page-about .eco-card__toggle {
    transition: none;
  }

  .page-about .duty-card:hover,
  .page-about .team-node:hover {
    transform: none;
  }
}
<<<END>>>