.page-about {
  --ab-rail: 236px;
  --ab-hair: rgba(167, 180, 200, 0.16);
  position: relative;
  overflow-x: clip;
}

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

.page-about .ab-hero {
  position: relative;
  padding: clamp(20px, 4vw, 36px) 0 clamp(36px, 6vw, 68px);
  border-bottom: 1px solid var(--nx-line);
  background-image:
    linear-gradient(var(--nx-gridline) 1px, transparent 1px),
    linear-gradient(90deg, var(--nx-gridline) 1px, transparent 1px);
  background-size: 88px 88px;
  background-position: -1px -1px;
}

.page-about .ab-hero::before {
  content: "";
  position: absolute;
  top: -12%;
  right: -18%;
  width: min(560px, 88vw);
  height: min(560px, 88vw);
  background: radial-gradient(circle at 50% 50%, rgba(34, 230, 255, 0.16), rgba(255, 46, 138, 0.07) 46%, transparent 68%);
  pointer-events: none;
}

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

.page-about .ab-hero__title {
  margin: 16px 0 0;
  font-family: var(--nx-font-display);
  font-weight: 900;
  font-size: clamp(40px, 8vw, 92px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--nx-white);
  text-shadow: 0 0 32px rgba(34, 230, 255, 0.26);
}

.page-about .ab-hero__title em {
  font-style: normal;
  color: var(--nx-cyan);
}

.page-about .ab-hero__lede {
  margin: 22px 0 0;
  max-width: 62ch;
  color: var(--nx-silver);
}

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

.page-about .ab-hero__aside {
  display: flex;
  flex-direction: column;
  gap: 14px;
  border-left: 1px solid var(--nx-line);
  padding-left: 16px;
}

.page-about .ab-hero__coord {
  margin: 0;
  font-family: var(--nx-font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--nx-magenta);
}

.page-about .ab-hero__hint {
  margin: 0;
  font-family: var(--nx-font-mono);
  font-size: 12px;
  line-height: 1.9;
  color: var(--nx-mist);
  opacity: 0.78;
}

.page-about .ab-metrics {
  position: relative;
  list-style: none;
  margin: clamp(28px, 5vw, 54px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--nx-line);
  border: 1px solid var(--nx-line);
}

.page-about .ab-metric {
  background: var(--nx-void);
  padding: 16px 14px;
  display: grid;
  gap: 6px;
  transition: background 0.22s var(--nx-ease), box-shadow 0.22s var(--nx-ease);
}

.page-about .ab-metric:hover {
  background: var(--nx-star);
  box-shadow: inset 0 0 0 1px rgba(34, 230, 255, 0.34);
}

.page-about .ab-metric__num {
  font-family: var(--nx-font-mono);
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--nx-cyan);
  line-height: 1.1;
}

.page-about .ab-metric__num small {
  font-size: 13px;
  font-weight: 400;
  color: var(--nx-silver);
  margin-left: 3px;
}

.page-about .ab-metric__label {
  font-size: 13px;
  color: var(--nx-silver);
  line-height: 1.5;
}

.page-about .ab-layout {
  display: grid;
  gap: clamp(28px, 5vw, 60px);
  padding: clamp(36px, 6vw, 72px) 0 clamp(48px, 7vw, 88px);
}

.page-about .ab-rail {
  display: none;
}

.page-about .ab-rail__title {
  margin: 0 0 14px;
  font-family: var(--nx-font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--nx-silver);
}

.page-about .ab-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  border-top: 1px solid var(--nx-line);
}

.page-about .ab-rail__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 4px;
  border-bottom: 1px solid var(--nx-line);
  color: var(--nx-silver);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s var(--nx-ease), padding-left 0.2s var(--nx-ease);
}

.page-about .ab-rail__list a span {
  font-family: var(--nx-font-mono);
  font-size: 11px;
  color: var(--nx-magenta);
}

.page-about .ab-rail__list a:hover,
.page-about .ab-rail__list a[aria-current="true"] {
  color: var(--nx-cyan);
  padding-left: 10px;
}

.page-about .ab-rail__back {
  display: inline-block;
  margin-top: 20px;
  font-family: var(--nx-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--nx-silver);
  text-decoration: none;
  border-bottom: 1px dashed var(--nx-line);
}

.page-about .ab-rail__back:hover {
  color: var(--nx-cyan);
}

.page-about .ab-body {
  min-width: 0;
}

.page-about .ab-chapter {
  padding: clamp(28px, 4.4vw, 52px) 0;
  border-top: 1px solid var(--nx-line);
}

.page-about .ab-chapter:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-about .ab-chapter__head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-about .ab-index {
  margin: 0;
  font-family: var(--nx-font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--nx-magenta);
}

.page-about .ab-chapter__text {
  display: grid;
  gap: 14px;
  max-width: 68ch;
}

.page-about .ab-chapter p {
  margin: 0;
  color: var(--nx-silver);
  line-height: 1.78;
}

.page-about .ab-chapter h3 {
  margin: 0;
  font-family: var(--nx-font-display);
  font-size: clamp(17px, 2.2vw, 20px);
  color: var(--nx-white);
  letter-spacing: -0.01em;
}

.page-about .ab-figure {
  margin: 0 0 clamp(22px, 3.4vw, 34px);
}

.page-about .ab-figure .nx-media {
  aspect-ratio: 2 / 1;
  overflow: hidden;
  border: 1px solid var(--nx-line);
  background: var(--nx-star);
}

.page-about .ab-figure--tall .nx-media {
  aspect-ratio: 4 / 3;
  margin-bottom: 0;
}

.page-about .ab-figure .nx-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}

.page-about .ab-figure figcaption {
  margin-top: 10px;
  max-width: 60ch;
}

.page-about .ab-track {
  list-style: none;
  margin: 0;
  padding: 0 0 0 24px;
  position: relative;
  display: grid;
  gap: clamp(16px, 2.6vw, 26px);
}

.page-about .ab-track::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--nx-cyan), rgba(255, 46, 138, 0.55) 62%, rgba(255, 181, 71, 0.2));
}

.page-about .ab-track__item {
  position: relative;
  display: grid;
  gap: 6px;
}

.page-about .ab-track__item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 9px;
  width: 9px;
  height: 9px;
  transform: rotate(45deg);
  background: var(--nx-void);
  border: 1px solid var(--nx-cyan);
  box-shadow: 0 0 12px rgba(34, 230, 255, 0.55);
}

.page-about .ab-track__year {
  font-family: var(--nx-font-mono);
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--nx-amber);
}

.page-about .ab-track__body {
  display: grid;
  gap: 8px;
  padding: 16px 16px 18px;
  background: var(--nx-star);
  border: 1px solid var(--nx-line);
  transition: border-color 0.22s var(--nx-ease), box-shadow 0.22s var(--nx-ease);
}

.page-about .ab-track__body:hover {
  border-color: rgba(34, 230, 255, 0.42);
  box-shadow: var(--nx-glow-cyan);
}

.page-about .ab-track__body .nx-tag {
  justify-self: start;
}

.page-about .ab-network {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-about .ab-network__text {
  display: grid;
  gap: 14px;
}

.page-about .ab-bullets {
  list-style: none;
  margin: 4px 0;
  padding: 0;
  display: grid;
  gap: 10px;
  border-left: 1px solid var(--nx-line);
  padding-left: 16px;
}

.page-about .ab-bullets li {
  font-size: 15px;
  line-height: 1.7;
  color: var(--nx-silver);
}

.page-about .ab-bullets strong {
  color: var(--nx-mist);
  font-weight: 600;
}

.page-about .ab-governance {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-about .ab-rules {
  display: grid;
  gap: 1px;
  background: var(--nx-line);
  border: 1px solid var(--nx-line);
}

.page-about .ab-rule {
  background: var(--nx-star);
  padding: 18px 16px 20px;
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-about .ab-rule__num {
  font-family: var(--nx-font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--nx-amber);
}

.page-about .ab-rule p {
  font-size: 15px;
}

.page-about .ab-tail {
  margin-top: clamp(20px, 3vw, 28px);
  padding: 14px 16px;
  border-left: 2px solid var(--nx-cyan);
  background: rgba(14, 20, 32, 0.72);
}

.page-about .ab-tabs__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-about .ab-tabs__bar .nx-tab {
  font-family: var(--nx-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  padding: 10px 14px;
  background: var(--nx-star);
  border: 1px solid var(--nx-line);
  color: var(--nx-silver);
  cursor: pointer;
  transition: color 0.2s var(--nx-ease), border-color 0.2s var(--nx-ease), background 0.2s var(--nx-ease), box-shadow 0.2s var(--nx-ease);
}

.page-about .ab-tabs__bar .nx-tab:hover {
  color: var(--nx-cyan);
  border-color: rgba(34, 230, 255, 0.42);
}

.page-about .ab-tabs__bar .nx-tab[aria-selected="true"] {
  color: var(--nx-void);
  background: var(--nx-cyan);
  border-color: var(--nx-cyan);
  box-shadow: var(--nx-glow-cyan);
}

.page-about .ab-panel {
  padding: clamp(18px, 3vw, 26px);
  background: var(--nx-star);
  border: 1px solid var(--nx-line);
  display: grid;
  gap: 12px;
  position: relative;
}

.page-about .ab-panel::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 22px;
  height: 22px;
  border-top: 1px solid var(--nx-cyan);
  border-left: 1px solid var(--nx-cyan);
}

.page-about .ab-panel::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 22px;
  height: 22px;
  border-right: 1px solid var(--nx-magenta);
  border-bottom: 1px solid var(--nx-magenta);
}

.page-about .ab-panel p {
  max-width: 64ch;
}

.page-about .ab-partners {
  display: grid;
  gap: 14px;
}

.page-about .ab-partner {
  padding: 20px 18px 22px;
  background: var(--nx-star);
  border: 1px solid var(--nx-line);
  display: grid;
  gap: 10px;
  align-content: start;
  transition: transform 0.22s var(--nx-ease), border-color 0.22s var(--nx-ease), box-shadow 0.22s var(--nx-ease);
}

.page-about .ab-partner:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 46, 138, 0.4);
  box-shadow: var(--nx-glow-magenta);
}

.page-about .ab-partner .nx-tag {
  justify-self: start;
}

.page-about .ab-partner p {
  font-size: 15px;
}

.page-about .ab-assurance {
  margin-top: clamp(20px, 3vw, 28px);
  padding: 18px 18px 20px;
  border: 1px solid var(--nx-line);
  border-left: 3px solid var(--nx-amber);
  background: linear-gradient(90deg, rgba(255, 181, 71, 0.07), rgba(7, 10, 18, 0) 70%);
}

.page-about .ab-assurance p {
  max-width: 72ch;
}

.page-about .ab-contact {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-about .ab-contact__text {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-about .ab-contact__text .nx-btn {
  justify-self: start;
}

.page-about .ab-contact__card {
  padding: clamp(18px, 3vw, 26px);
  background: var(--nx-star);
  border: 1px solid var(--nx-line);
  position: relative;
}

.page-about .ab-contact__card::before {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 26px;
  height: 26px;
  border-top: 1px solid var(--nx-cyan);
  border-right: 1px solid var(--nx-cyan);
}

.page-about .ab-contact__list {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-about .ab-contact__row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--nx-line);
}

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

.page-about .ab-contact__row:first-child {
  padding-top: 0;
}

.page-about .ab-contact__row dt {
  font-family: var(--nx-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--nx-silver);
}

.page-about .ab-contact__row dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--nx-white);
  overflow-wrap: anywhere;
}

.page-about .ab-contact__row dd a {
  color: var(--nx-mist);
  text-decoration: none;
  border-bottom: 1px solid rgba(143, 247, 255, 0.36);
}

.page-about .ab-contact__row dd a:hover {
  color: var(--nx-cyan);
  border-bottom-color: var(--nx-cyan);
}

@media (min-width: 620px) {
  .page-about .ab-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .ab-track__item {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 14px;
    align-items: start;
  }

  .page-about .ab-track__year {
    padding-top: 16px;
  }

  .page-about .ab-contact__row {
    grid-template-columns: 110px minmax(0, 1fr);
    align-items: baseline;
    gap: 12px;
  }
}

@media (min-width: 760px) {
  .page-about .ab-rules {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-about .ab-partner:nth-child(2) {
    margin-top: 18px;
  }

  .page-about .ab-partner:nth-child(3) {
    margin-top: 36px;
  }
}

@media (min-width: 900px) {
  .page-about .ab-hero__grid {
    grid-template-columns: minmax(0, 1fr) 232px;
    align-items: end;
  }

  .page-about .ab-hero__aside {
    border-left: 0;
    padding-left: 0;
    border-right: 1px solid var(--nx-line);
    padding-right: 16px;
    align-items: flex-end;
    text-align: right;
  }

  .page-about .ab-hero__hint {
    writing-mode: vertical-rl;
    letter-spacing: 0.14em;
  }

  .page-about .ab-network {
    grid-template-columns: 1.04fr 0.96fr;
    gap: clamp(24px, 3.4vw, 44px);
  }

  .page-about .ab-governance {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-about .ab-governance .ab-figure {
    margin-bottom: 0;
  }

  .page-about .ab-contact {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-about .ab-layout {
    grid-template-columns: var(--ab-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .ab-rail {
    display: block;
    position: sticky;
    top: 120px;
    align-self: start;
  }

  .page-about .ab-chapter:first-child {
    padding-top: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    animation: none !important;
    transition: none !important;
  }

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