.page-about {
  --about-grid: rgba(37, 56, 47, 0.42);
  --about-glow: 0 0 18px rgba(233, 242, 236, 0.3);
  --about-gold-line: rgba(200, 164, 77, 0.42);
  position: relative;
  background-color: var(--c-night);
  background-image:
    linear-gradient(to right, var(--about-grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--about-grid) 1px, transparent 1px);
  background-size: 104px 104px;
  color: var(--c-ice);
  font-family: var(--font-body);
  padding-bottom: 8px;
}

/* ---------- Hero ---------- */

.page-about .about-hero {
  position: relative;
  padding: calc(var(--hdr-h) + 72px) 0 56px;
  border-bottom: 1px solid var(--c-line);
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(30, 70, 52, 0.55) 0%, rgba(10, 19, 16, 0) 62%),
    linear-gradient(180deg, rgba(10, 19, 16, 0.15) 0%, rgba(10, 19, 16, 0.9) 100%);
}

.page-about .about-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin-top: 26px;
}

.page-about .about-hero-lead h1 {
  margin: 16px 0 0;
  font-size: clamp(30px, 7vw, 58px);
  line-height: 1.16;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--c-ice);
}

.page-about .about-hero-sub {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-mist);
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  align-content: start;
}

.page-about .about-stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 16px 16px;
  border: 1px solid var(--about-gold-line);
  border-radius: var(--r-md);
  background: linear-gradient(160deg, rgba(18, 33, 27, 0.96) 0%, rgba(18, 33, 27, 0.72) 100%);
}

.page-about .about-stat-num {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  font-family: var(--font-display);
  font-size: clamp(34px, 8vw, 46px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--c-ice);
  text-shadow: var(--about-glow);
}

.page-about .about-stat-plus {
  font-size: 0.55em;
  color: var(--c-gold);
}

.page-about .about-stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.1em;
  color: var(--c-mist-faint);
}

.page-about .about-index {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: 46px;
  padding-top: 18px;
  border-top: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-about .about-index a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  color: var(--c-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-about .about-index a span {
  color: var(--c-turf);
  font-size: 10px;
}

.page-about .about-index a:hover {
  color: var(--c-ice);
  border-bottom-color: var(--c-turf);
}

/* ---------- Shared block frame ---------- */

.page-about .about-block {
  position: relative;
  padding: 60px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-about .about-block:last-of-type {
  border-bottom: 0;
}

.page-about .about-block .mod-title {
  margin: 14px 0 0;
  font-size: clamp(22px, 4.4vw, 34px);
  line-height: 1.34;
  font-weight: 700;
  color: var(--c-ice);
}

.page-about .about-block .mod-sub {
  margin: 14px 0 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-mist);
}

/* ---------- Timeline ---------- */

.page-about .tl-grid {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 38px;
}

.page-about .tl-scale {
  display: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-mist-faint);
}

.page-about .tl-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  border-left: 1px solid var(--c-line);
  padding-left: 22px;
}

.page-about .tl-node {
  position: relative;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: linear-gradient(150deg, rgba(18, 33, 27, 0.92) 0%, rgba(18, 33, 27, 0.66) 100%);
  overflow: hidden;
  transition: border-color var(--t-mid) var(--ease);
}

.page-about .tl-node::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 28px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-turf);
  border: 2px solid var(--c-night);
  box-shadow: 0 0 0 3px rgba(47, 122, 82, 0.24);
}

.page-about .tl-node[open] {
  border-color: rgba(47, 122, 82, 0.6);
}

.page-about .tl-node > summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  padding: 20px 20px;
  cursor: pointer;
  list-style: none;
}

.page-about .tl-node > summary::-webkit-details-marker {
  display: none;
}

.page-about .tl-node > summary:focus-visible {
  outline: 2px solid var(--c-turf-lit);
  outline-offset: -3px;
}

.page-about .tl-year {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--c-gold);
  padding: 3px 10px;
  border: 1px solid var(--about-gold-line);
  border-radius: var(--r-pill);
}

.page-about .tl-title {
  flex: 1 1 60%;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--c-ice);
}

.page-about .tl-detail {
  padding: 0 20px 22px;
  border-top: 1px dashed var(--c-line-soft);
  margin-top: 2px;
  padding-top: 16px;
}

.page-about .tl-detail p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-mist);
}

.page-about .tl-detail p + p {
  margin-top: 12px;
}

.page-about .tl-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-turf-lit);
}

/* ---------- Flow ---------- */

.page-about .flow-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 34px;
}

.page-about .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .flow-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 18px 18px 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  background: rgba(18, 33, 27, 0.72);
  transition: border-color var(--t-mid) var(--ease), background var(--t-mid) var(--ease);
}

.page-about .flow-step:hover {
  border-color: rgba(47, 122, 82, 0.55);
  background: rgba(18, 33, 27, 0.92);
}

.page-about .flow-index {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--c-turf-lit);
  padding-top: 3px;
}

.page-about .flow-name {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-ice);
}

.page-about .flow-body p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-about .flow-figure {
  margin: 0;
}

/* ---------- Team ---------- */

.page-about .team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 34px;
}

.page-about .team-figure {
  margin: 0;
}

.page-about .team-roster {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .team-role {
  padding: 16px 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  background: rgba(18, 33, 27, 0.68);
  transition: transform var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease);
}

.page-about .team-role:hover {
  transform: translateY(-2px);
  border-color: var(--about-gold-line);
}

.page-about .team-role-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-about .team-role-num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  color: var(--c-gold);
  text-shadow: 0 0 12px rgba(200, 164, 77, 0.28);
}

.page-about .team-role-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--c-ice);
}

.page-about .team-role-desc {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-about .team-duty {
  margin-top: 18px;
  padding: 18px;
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-yellow);
  border-radius: var(--r-sm);
  background: rgba(30, 70, 52, 0.22);
}

.page-about .team-duty-label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-yellow);
}

.page-about .team-duty p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-ice);
}

/* ---------- Modules ---------- */

.page-about .mod-grid {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .mod-card {
  padding: 20px 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: linear-gradient(170deg, rgba(30, 70, 52, 0.42) 0%, rgba(18, 33, 27, 0.86) 62%);
}

.page-about .mod-card-tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-turf-lit);
}

.page-about .mod-card-title {
  margin: 10px 0 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--c-ice);
}

.page-about .mod-card p:last-child {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-about .mod-linkage {
  margin-top: 28px;
  padding: 22px 20px;
  border: 1px solid var(--about-gold-line);
  border-radius: var(--r-md);
  background: rgba(10, 19, 16, 0.7);
}

.page-about .mod-linkage-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-gold);
}

.page-about .mod-linkage-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-about .mod-linkage-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--c-line-soft);
}

.page-about .mod-linkage-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-about .mod-linkage-k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-turf-lit);
}

.page-about .mod-linkage-v {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-mist);
}

/* ---------- Ecosystem ---------- */

.page-about .about-eco {
  background: linear-gradient(180deg, rgba(30, 70, 52, 0.3) 0%, rgba(10, 19, 16, 0) 42%);
}

.page-about .eco-figure {
  margin: 0 0 34px;
}

.page-about .eco-body .mod-title {
  margin-top: 12px;
}

.page-about .eco-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 30px;
}

.page-about .eco-col {
  padding: 20px 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  background: rgba(18, 33, 27, 0.7);
}

.page-about .eco-col-title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-ice);
}

.page-about .eco-col p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--c-mist);
}

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

/* ---------- SLA ---------- */

.page-about .sla-list {
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--c-line);
}

.page-about .sla-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--c-line-soft);
}

.page-about .sla-row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-gold);
}

.page-about .sla-row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-mist);
}

.page-about .about-outro {
  margin-top: 32px;
  padding: 22px 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: rgba(18, 33, 27, 0.68);
}

.page-about .about-outro p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-ice);
}

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

/* ---------- Responsive ---------- */

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

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

  .page-about .mod-linkage-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 24px;
  }

  .page-about .mod-linkage-list li {
    border-bottom: 0;
    padding-bottom: 0;
  }

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

@media (min-width: 900px) {
  .page-about .about-hero {
    padding-top: calc(var(--hdr-h) + 104px);
    padding-bottom: 72px;
  }

  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(300px, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .about-block {
    padding: 84px 0;
  }

  .page-about .tl-grid {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 44px;
  }

  .page-about .tl-scale {
    display: flex;
    flex-direction: column;
    gap: 84px;
    position: sticky;
    top: calc(var(--hdr-h) + 48px);
    align-self: start;
    padding-top: 26px;
    border-right: 1px solid var(--c-line);
    padding-right: 20px;
  }

  .page-about .tl-list {
    padding-left: 38px;
  }

  .page-about .tl-node::before {
    left: -44px;
  }

  .page-about .flow-wrap {
    grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.85fr);
    gap: 40px;
    align-items: start;
  }

  .page-about .flow-list {
    grid-template-columns: 1fr;
  }

  .page-about .team-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-about .mod-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-about .eco-cols {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 1180px) {
  .page-about .flow-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-about .about-stats {
    gap: 14px;
  }
}
<<<END>>>