.page-about {
  --ab-glow: rgba(34, 224, 214, .16);
  --ab-purple-haze: rgba(122, 77, 255, .16);
  overflow-x: hidden;
}

.page-about .ab-intro {
  padding-top: 4px;
}

.page-about .ab-intro__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
}

.page-about .ab-intro__copy {
  max-width: 640px;
}

.page-about .ab-intro__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-soft);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .45);
}

.page-about .ab-intro__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(205deg, var(--ab-purple-haze), transparent 58%);
  pointer-events: none;
}

.page-about .ab-metrics {
  list-style: none;
  margin: 32px 0 0;
  padding: 1px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  clip-path: var(--cut-lg);
}

.page-about .ab-metrics__item {
  background: var(--deep-navy);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.page-about .ab-metrics__num {
  font-size: 28px;
  line-height: 1.1;
  font-weight: 700;
  color: var(--ion-cyan);
}

.page-about .ab-metrics__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

.page-about .ab-origin__grid {
  align-items: start;
}

.page-about .ab-origin__body {
  max-width: 68ch;
}

.page-about .ab-quote {
  padding: 22px 20px;
  background:
    linear-gradient(150deg, var(--ab-purple-haze), transparent 62%),
    var(--panel-glass);
}

.page-about .ab-quote .gx-panel__title {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--starlight);
}

.page-about .ab-quote .gx-panel__body {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-about .ab-origin__kv {
  margin: 16px 0 0;
  padding-top: 16px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px 16px;
  border-top: 1px solid var(--line-soft);
}

.page-about .ab-origin__kv .gx-kv__v {
  color: var(--ion-cyan);
}

.page-about .ab-chain__list {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-about .ab-chain__step {
  position: relative;
  padding-top: 24px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-about .ab-chain__step::before {
  content: "";
  position: absolute;
  left: 0;
  top: -5px;
  width: 9px;
  height: 9px;
  background: var(--ion-cyan);
  transform: rotate(45deg);
  box-shadow: 0 0 14px var(--ab-glow);
}

.page-about .ab-chain__step:nth-child(2)::before {
  background: var(--nebula-purple);
  box-shadow: 0 0 14px var(--ab-purple-haze);
}

.page-about .ab-chain__step:nth-child(3)::before {
  background: var(--ember-orange);
  box-shadow: 0 0 14px rgba(255, 122, 61, .22);
}

.page-about .ab-chain__idx {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--purple-text);
}

.page-about .ab-chain__meta {
  margin: auto 0 0;
  padding-top: 10px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ion-cyan);
  border-top: 1px dashed var(--line-soft);
}

.page-about .ab-team__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
}

.page-about .ab-team__intro {
  max-width: 60ch;
}

.page-about .ab-team__figure {
  margin: 24px 0 0;
  border: 1px solid var(--line-soft);
}

.page-about .ab-roles {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-about .ab-role {
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--panel-glass);
  border: 1px solid var(--line-soft);
  clip-path: var(--cut-sm);
  transition: border-color .2s var(--gx-ease), background-color .2s var(--gx-ease), transform .2s var(--gx-ease);
}

.page-about .ab-role:hover,
.page-about .ab-role:focus-within {
  border-color: rgba(34, 224, 214, .6);
  background: rgba(20, 28, 51, .92);
  transform: translateY(-4px);
}

.page-about .ab-role--wide {
  grid-column: 1 / -1;
}

.page-about .ab-role__num {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--ion-cyan);
  transition: color .2s var(--gx-ease);
}

.page-about .ab-role__name {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--starlight);
}

.page-about .ab-role__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .ab-role:hover .ab-role__num {
  color: var(--purple-text);
}

.page-about .ab-flow {
  list-style: none;
  margin: 32px 0 0;
  padding: 1px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-about .ab-flow__item {
  background: var(--deep-navy);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .ab-flow__t {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--ion-cyan);
}

.page-about .ab-flow__d {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .ab-track__visual {
  margin: 28px 0 0;
  border: 1px solid var(--line-soft);
}

.page-about .ab-tl {
  list-style: none;
  margin: 32px 0 0;
  padding: 0 0 0 30px;
  position: relative;
}

.page-about .ab-tl::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--nebula-purple), var(--ion-cyan) 62%, rgba(34, 48, 79, .4));
}

.page-about .ab-tl__item {
  position: relative;
}

.page-about .ab-tl__item + .ab-tl__item {
  margin-top: 6px;
}

.page-about .ab-tl__dot {
  position: absolute;
  left: -30px;
  top: 16px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 1px solid var(--ion-cyan);
  background: var(--void-black);
  box-shadow: 0 0 0 4px rgba(34, 224, 214, .1);
  transition: background-color .2s var(--gx-ease), box-shadow .2s var(--gx-ease);
}

.page-about .ab-tl__node[open] .ab-tl__dot {
  background: var(--ion-cyan);
  box-shadow: 0 0 0 5px rgba(34, 224, 214, .16);
}

.page-about .ab-tl__head {
  list-style: none;
  cursor: pointer;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  padding: 10px 0;
  min-height: 44px;
}

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

.page-about .ab-tl__head::marker {
  content: "";
}

.page-about .ab-tl__head::after {
  content: "展开";
  margin-left: auto;
  align-self: center;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--mist);
  white-space: nowrap;
}

.page-about .ab-tl__node[open] .ab-tl__head::after {
  content: "收起";
  color: var(--ion-cyan);
}

.page-about .ab-tl__ver {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--purple-text);
  border: 1px solid rgba(122, 77, 255, .45);
  padding: 3px 9px;
  clip-path: var(--cut-xs);
  white-space: nowrap;
}

.page-about .ab-tl__title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--starlight);
}

.page-about .ab-tl__panel {
  padding: 0 0 14px;
}

.page-about .ab-tl__panel p {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-about .ab-ends__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 28px;
}

.page-about .ab-end {
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--deep-navy);
  border: 1px solid var(--line-soft);
  clip-path: var(--cut-tr);
}

.page-about .ab-end:nth-child(2) {
  background: linear-gradient(160deg, var(--ab-purple-haze), var(--deep-navy) 62%);
}

.page-about .ab-end:nth-child(3) {
  background: linear-gradient(160deg, rgba(255, 122, 61, .12), var(--deep-navy) 62%);
}

.page-about .ab-end .gx-tag {
  align-self: flex-start;
}

.page-about .ab-end .gx-h3 {
  margin: 0;
}

.page-about .ab-end .gx-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .ab-reach__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.page-about .ab-reach__facts {
  list-style: none;
  margin: 8px 0 0;
  padding: 1px;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-about .ab-reach__facts li {
  background: var(--deep-navy);
  padding: 12px 16px;
  display: grid;
  grid-template-columns: minmax(96px, auto) 1fr;
  gap: 12px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist);
}

.page-about .ab-reach__facts .gx-mono {
  font-size: 13px;
  color: var(--ion-cyan);
}

.page-about .ab-reach__map {
  padding: 12px;
  border: 1px solid var(--line-soft);
  background:
    radial-gradient(circle at 32% 64%, var(--ab-purple-haze), transparent 62%),
    var(--deep-navy);
  clip-path: var(--cut-lg);
}

.page-about .ab-reach__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .ab-honor__grid {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.page-about .ab-honor__item {
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: linear-gradient(180deg, var(--ab-purple-haze), rgba(5, 7, 14, 0) 72%), var(--deep-navy);
  border: 1px solid var(--line-soft);
  clip-path: var(--cut-sm);
  transition: transform .2s var(--gx-ease), border-color .2s var(--gx-ease);
}

.page-about .ab-honor__item:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 224, 214, .55);
}

.page-about .ab-honor__num {
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: var(--ion-cyan);
}

.page-about .ab-honor__item:nth-child(2) .ab-honor__num {
  color: var(--purple-text);
}

.page-about .ab-honor__item:nth-child(3) .ab-honor__num {
  color: var(--starlight);
}

.page-about .ab-honor__label {
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .ab-next__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 28px;
}

.page-about .ab-next__grid .gx-card__top,
.page-about .ab-next__grid .gx-card__title,
.page-about .ab-next__grid .gx-card__body,
.page-about .ab-next__grid .gx-card__meta {
  display: block;
}

.page-about .ab-next__grid .gx-card__title {
  margin-top: 10px;
}

.page-about .ab-next__grid .gx-card__body {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .ab-next__grid .gx-card__meta {
  margin-top: 14px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ion-cyan);
}

.page-about .ab-next__note {
  margin: 22px 0 0;
  max-width: 76ch;
  font-size: 14px;
  line-height: 1.85;
}

.page-about .ab-next__note a {
  color: var(--ion-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 214, .4);
}

.page-about .ab-next__note a:hover {
  border-bottom-color: var(--ion-cyan);
}

.page-about .gx-media__img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

@media (min-width: 640px) {
  .page-about .ab-role--drop {
    margin-top: 22px;
  }
}

@media (min-width: 720px) {
  .page-about .ab-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-about .ab-chain__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-about .ab-intro__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .86fr);
    gap: 48px;
  }

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

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

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

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

@media (min-width: 920px) {
  .page-about .ab-team__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
    gap: 48px;
  }
}

@media (min-width: 960px) {
  .page-about .ab-reach__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .ab-role,
  .page-about .ab-honor__item,
  .page-about .ab-tl__dot {
    transition: none;
  }

  .page-about .ab-role:hover,
  .page-about .ab-role:focus-within,
  .page-about .ab-honor__item:hover {
    transform: none;
  }
}
<<<END>>>