.page-about {
  --about-card: rgba(16, 26, 61, 0.72);
  --about-line: rgba(152, 164, 196, 0.24);
  color: var(--paper);
}

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

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 44px) 0 clamp(48px, 8vw, 88px);
}

.page-about .about-hero-glow {
  position: absolute;
  top: -180px;
  right: -160px;
  width: 540px;
  height: 540px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(198, 255, 61, 0.2), rgba(55, 230, 217, 0.1) 45%, transparent 70%);
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet) 55%, transparent);
  opacity: 0.55;
}

.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(22px, 4vw, 40px);
  font-size: 13px;
  color: var(--mist);
}

.page-about .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-about .breadcrumb a:hover,
.page-about .breadcrumb a:focus-visible {
  color: var(--neon);
}

.page-about .breadcrumb [aria-current="page"] {
  color: var(--paper);
}

.page-about .crumb-sep {
  color: rgba(152, 164, 196, 0.5);
}

.page-about .about-hero-grid {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
}

.page-about .about-hero-copy h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(36px, 7.2vw, 76px);
  line-height: 1.03;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.page-about .about-hero-copy h1 em {
  display: block;
  font-style: normal;
  color: var(--neon);
}

.page-about .about-hero-lead {
  margin: 20px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

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

.page-about .about-hero-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  min-height: 250px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--about-line);
}

.page-about .about-hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 250px;
  object-fit: cover;
}

.page-about .about-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 13, 36, 0.05), rgba(7, 13, 36, 0.72));
  pointer-events: none;
}

.page-about .about-stats {
  display: grid;
  margin-top: clamp(34px, 6vw, 64px);
  border-top: 1px solid var(--about-line);
}

.page-about .about-stat {
  padding: 22px 0;
  border-bottom: 1px solid var(--about-line);
}

.page-about .about-stat-num {
  display: inline-block;
  font-size: clamp(42px, 8vw, 72px);
  line-height: 0.95;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--paper);
}

.page-about .about-stat-num em {
  font-style: normal;
  color: var(--neon);
  font-size: 0.55em;
  vertical-align: super;
  margin-left: 2px;
}

.page-about .about-stat-unit {
  display: inline-block;
  margin-left: 10px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--neon);
}

.page-about .about-stat p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 26em;
}

.page-about .about-timeline {
  position: relative;
  padding: clamp(56px, 9vw, 110px) 0;
}

.page-about .section-lead {
  max-width: 34em;
  margin-top: 14px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-timeline-grid {
  display: grid;
  gap: 30px;
  margin-top: clamp(28px, 5vw, 52px);
}

.page-about .rail-list {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin: 0;
  padding-left: 30px;
  list-style: none;
}

.page-about .rail-list::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--violet));
  opacity: 0.45;
}

.page-about .rail-list a {
  position: relative;
  display: block;
  font-size: 14px;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-about .rail-list a::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid rgba(152, 164, 196, 0.55);
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

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

.page-about .rail-list a:hover::before,
.page-about .rail-list a:focus-visible::before {
  background: var(--neon);
  border-color: var(--neon);
  box-shadow: 0 0 0 4px rgba(198, 255, 61, 0.18);
}

.page-about .rail-list .mono {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(152, 164, 196, 0.72);
}

.page-about .about-versions {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-about .ver-card {
  position: relative;
  padding: clamp(22px, 4vw, 34px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--about-line);
  background: linear-gradient(155deg, rgba(23, 34, 74, 0.85), rgba(7, 13, 36, 0.55));
  scroll-margin-top: calc(var(--header-h) + 24px);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-about .ver-card:hover {
  border-color: rgba(198, 255, 61, 0.34);
  transform: translateY(-2px);
}

.page-about .ver-card:target {
  border-color: var(--neon);
  box-shadow: 0 0 0 1px rgba(198, 255, 61, 0.5), 0 30px 70px -40px rgba(198, 255, 61, 0.7);
}

.page-about .ver-num {
  display: block;
  margin-bottom: 10px;
  font-size: clamp(44px, 9vw, 82px);
  line-height: 0.82;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: rgba(198, 255, 61, 0.26);
}

.page-about .ver-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 29px);
  line-height: 1.24;
  color: var(--paper);
}

.page-about .ver-body p {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .ver-body p:last-child {
  margin-bottom: 0;
}

.page-about .ver-more {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--about-line);
}

.page-about .ver-more summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  list-style: none;
  cursor: pointer;
  font-size: 14px;
  color: var(--neon);
}

.page-about .ver-more summary::-webkit-details-marker {
  display: none;
}

.page-about .ver-more summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
}

.page-about .ver-more[open] summary::after {
  content: "–";
}

.page-about .ver-more ul {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding-left: 18px;
}

.page-about .ver-more li {
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .ver-more li::marker {
  color: var(--cyan);
}

.page-about .about-method {
  padding: clamp(56px, 9vw, 110px) 0;
  background: linear-gradient(180deg, transparent, rgba(16, 26, 61, 0.55) 28%, rgba(16, 26, 61, 0.55) 72%, transparent);
}

.page-about .method-grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-about .method-copy h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.2vw, 44px);
  line-height: 1.14;
}

.page-about .method-steps {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 20px;
}

.page-about .method-step {
  position: relative;
  padding-left: 52px;
}

.page-about .method-step::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-about .method-step::after {
  content: "";
  position: absolute;
  left: 25px;
  top: 8px;
  bottom: -20px;
  width: 1px;
  background: linear-gradient(180deg, rgba(55, 230, 217, 0.5), transparent);
}

.page-about .method-step:last-child::after {
  display: none;
}

.page-about .method-step h3 {
  margin: 0 0 6px;
  font-size: 18px;
  line-height: 1.4;
  color: var(--paper);
}

.page-about .method-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

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

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

.page-about .about-team {
  padding: clamp(56px, 9vw, 110px) 0;
}

.page-about .about-network {
  display: grid;
  gap: 12px;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .net-node {
  position: relative;
  padding: 16px 18px;
  border: 1px dashed rgba(152, 164, 196, 0.4);
  border-radius: var(--radius-md);
  background: rgba(7, 13, 36, 0.45);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-about .net-node:hover {
  border-color: var(--cyan);
  background: rgba(55, 230, 217, 0.07);
}

.page-about .net-node strong {
  display: block;
  margin-bottom: 6px;
  font-size: 15px;
  color: var(--paper);
}

.page-about .net-node span {
  display: block;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

.page-about .team-bleed {
  margin: clamp(30px, 5vw, 52px) 0 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--about-line);
}

.page-about .team-bleed img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
}

.page-about .about-roots {
  padding: clamp(56px, 9vw, 110px) 0;
}

.page-about .roots-grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-about .roots-figure {
  position: relative;
  margin: 0;
  padding: clamp(28px, 5vw, 48px);
  overflow: hidden;
  border-radius: 44% 56% 48% 52% / 52% 44% 56% 48%;
  border: 1px solid rgba(198, 255, 61, 0.22);
  background: radial-gradient(circle at 28% 22%, rgba(28, 74, 55, 0.95), rgba(16, 26, 61, 0.92) 72%);
}

.page-about .roots-num {
  display: block;
  font-size: clamp(52px, 11vw, 96px);
  line-height: 0.9;
  font-weight: 700;
  letter-spacing: -0.05em;
  color: var(--neon);
}

.page-about .roots-unit {
  font-size: 0.4em;
  margin-left: 6px;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-about .roots-caption {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(247, 249, 255, 0.86);
}

.page-about .roots-copy h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.2vw, 44px);
  line-height: 1.14;
}

.page-about .roots-copy p {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .roots-copy a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 230, 217, 0.45);
}

.page-about .roots-copy a:hover,
.page-about .roots-copy a:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

.page-about .roots-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-about .about-values {
  padding: clamp(56px, 9vw, 110px) 0;
}

.page-about .value-list {
  display: grid;
  gap: 18px;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .value-item {
  padding: clamp(24px, 3.4vw, 34px);
  border: 1px solid rgba(198, 255, 61, 0.16);
  border-radius: 28px 28px 56px 28px;
  background: linear-gradient(150deg, rgba(28, 74, 55, 0.95), rgba(16, 26, 61, 0.86));
}

.page-about .value-item:nth-child(2) {
  border-radius: 28px 56px 28px 28px;
}

.page-about .value-item:nth-child(3) {
  border-radius: 56px 28px 28px 28px;
}

.page-about .value-idx {
  display: block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--neon);
}

.page-about .value-item h3 {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 30px);
  line-height: 1.2;
  color: var(--paper);
}

.page-about .value-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 249, 255, 0.82);
}

.page-about .about-cta {
  padding: clamp(48px, 8vw, 96px) 0 clamp(56px, 10vw, 120px);
}

.page-about .about-cta-inner {
  display: grid;
  gap: 24px;
  padding-top: clamp(30px, 5vw, 52px);
  border-top: 1px solid var(--about-line);
}

.page-about .about-cta-inner h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.2vw, 44px);
  line-height: 1.14;
}

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

.page-about .cta-links a {
  display: block;
  padding: 14px 18px;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-md);
  font-size: 15px;
  color: var(--paper);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-about .cta-links a:hover,
.page-about .cta-links a:focus-visible {
  border-color: var(--neon);
  color: var(--neon);
  background: rgba(198, 255, 61, 0.06);
}

@media (max-width: 979px) {
  .page-about .about-rail {
    overflow-x: auto;
    padding-bottom: 6px;
    scrollbar-width: thin;
  }

  .page-about .rail-list {
    flex-direction: row;
    gap: 10px;
    padding-left: 0;
  }

  .page-about .rail-list::before {
    display: none;
  }

  .page-about .rail-list li {
    flex: 0 0 auto;
  }

  .page-about .rail-list a {
    padding: 8px 14px;
    border: 1px solid var(--about-line);
    border-radius: 999px;
    font-size: 13px;
    white-space: nowrap;
  }

  .page-about .rail-list a::before {
    display: none;
  }

  .page-about .rail-list .mono {
    display: inline;
    margin-right: 6px;
  }
}

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

@media (min-width: 700px) {
  .page-about .ver-card {
    display: grid;
    grid-template-columns: minmax(0, auto) minmax(0, 1fr);
    gap: clamp(18px, 3vw, 40px);
    align-items: start;
  }

  .page-about .ver-num {
    margin-bottom: 0;
  }
}

@media (min-width: 780px) {
  .page-about .about-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .about-stat {
    padding: 26px 24px;
    border-bottom: 0;
    border-left: 1px solid var(--about-line);
  }

  .page-about .about-stat:first-child {
    padding-left: 0;
    border-left: 0;
  }
}

@media (min-width: 860px) {
  .page-about .value-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
  }

  .page-about .value-item:nth-child(2) {
    margin-top: 30px;
  }

  .page-about .value-item:nth-child(3) {
    margin-top: 14px;
  }

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

@media (min-width: 900px) {
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-about .about-hero-media {
    min-height: 410px;
  }

  .page-about .about-hero-media img {
    min-height: 410px;
  }

  .page-about .method-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
  }

  .page-about .roots-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-about .about-timeline-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-about .about-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }
}

@media (min-width: 1080px) {
  .page-about .about-network {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .ver-card,
  .page-about .net-node,
  .page-about .cta-links a,
  .page-about .rail-list a::before {
    transition: none;
  }

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