.page-about {
  --ab-rail: 42px;
  --ab-line: rgba(127, 255, 217, .18);
  --ab-line-soft: rgba(127, 255, 217, .09);
}

/* ---------- 首屏 ---------- */
.page-about .ab-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(20px, 4vw, 52px);
  padding-bottom: clamp(36px, 6vw, 84px);
  border-bottom: 1px solid var(--hairline-soft);
}

.page-about .ab-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -14%;
  width: min(58vw, 680px);
  height: 128%;
  background: linear-gradient(140deg, rgba(23, 224, 176, .13), rgba(23, 224, 176, 0) 66%);
  transform: skew(var(--skew));
  pointer-events: none;
}

.page-about .ab-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 40px);
  align-items: end;
}

.page-about .ab-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-title);
  font-size: clamp(34px, 8.6vw, 88px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-about .ab-hero__lead {
  margin: 20px 0 0;
  max-width: 34em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--muted);
}

.page-about .ab-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(10px, 2vw, 20px);
  margin-top: clamp(24px, 4vw, 38px);
  padding-top: clamp(18px, 3vw, 26px);
  border-top: 1px solid var(--hairline);
}

.page-about .ab-fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .ab-fact__n {
  font-size: clamp(22px, 3.4vw, 34px);
  color: var(--neon);
  line-height: 1;
}

.page-about .ab-fact__l {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-about .ab-hero__aside {
  display: none;
  justify-content: flex-end;
}

.page-about .ab-hero__note {
  margin: 0;
  writing-mode: vertical-rl;
  font-size: 12px;
  letter-spacing: .42em;
  color: var(--neon-soft);
  opacity: .78;
}

/* ---------- 区块标题 ---------- */
.page-about .ab-head {
  max-width: 46em;
  margin-bottom: clamp(26px, 4.5vw, 48px);
}

.page-about .ab-head--tight {
  margin-bottom: clamp(22px, 3.5vw, 36px);
}

.page-about .ab-head__title {
  margin: 10px 0 0;
  font-family: var(--font-title);
  font-size: clamp(25px, 4.6vw, 44px);
  font-weight: 750;
  line-height: 1.18;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-about .ab-head__lead {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 时间轴 ---------- */
.page-about .ab-line {
  background:
    radial-gradient(120% 60% at 8% 0%, rgba(23, 224, 176, .06), rgba(4, 21, 15, 0) 62%);
}

.page-about .ab-line__figure {
  margin: 0 0 clamp(30px, 5vw, 56px);
  border: 1px solid var(--hairline-soft);
  background: var(--layer);
  overflow: hidden;
}

.page-about .ab-line__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  opacity: .86;
}

.page-about .ab-line__figure .ba-media__cap {
  display: block;
  padding: 12px 16px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
  border-top: 1px solid var(--hairline-soft);
}

.page-about .ab-tl {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .ab-tl__item {
  display: grid;
  grid-template-columns: var(--ab-rail) minmax(0, 1fr);
  column-gap: clamp(16px, 3.6vw, 40px);
  position: relative;
  padding-bottom: clamp(30px, 5vw, 58px);
}

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

.page-about .ab-tl__rail {
  position: relative;
  display: flex;
  justify-content: flex-end;
  padding-right: 16px;
  padding-top: 4px;
}

.page-about .ab-tl__rail::before {
  content: "";
  position: absolute;
  right: 0;
  top: 8px;
  bottom: calc(-1 * clamp(30px, 5vw, 58px));
  width: 1px;
  background: var(--ab-line);
}

.page-about .ab-tl__item:last-child .ab-tl__rail::before {
  bottom: 0;
}

.page-about .ab-tl__rail::after {
  content: "";
  position: absolute;
  right: -5px;
  top: 12px;
  width: 10px;
  height: 10px;
  background: var(--neon);
  transform: rotate(45deg);
  box-shadow: 0 0 0 4px rgba(23, 224, 176, .13);
}

.page-about .ab-tl__item--now .ab-tl__rail::after {
  background: var(--flare);
  box-shadow: 0 0 0 4px rgba(255, 75, 38, .16);
}

.page-about .ab-tl__year {
  writing-mode: vertical-rl;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--muted);
  line-height: 1;
}

.page-about .ab-tl__item--now .ab-tl__year {
  color: var(--flare);
}

.page-about .ab-tl__body {
  padding: 2px 6px 10px 0;
  border-radius: 6px;
  transition: background var(--t-fast);
}

@media (hover: hover) {
  .page-about .ab-tl__item:hover .ab-tl__body,
  .page-about .ab-tl__item:focus-within .ab-tl__body {
    background: rgba(23, 224, 176, .05);
  }
}

.page-about .ab-tl__title {
  margin: 0 0 10px;
  font-family: var(--font-title);
  font-size: clamp(19px, 2.6vw, 27px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: .015em;
  color: var(--ink);
}

.page-about .ab-tl__text {
  margin: 0 0 14px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 团队数据条 ---------- */
.page-about .ab-team-sec {
  border-top: 1px solid var(--hairline-soft);
  border-bottom: 1px solid var(--hairline-soft);
  background: linear-gradient(180deg, rgba(10, 42, 32, .72), rgba(4, 21, 15, 0) 88%);
}

.page-about .ab-team {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--ab-line-soft);
  border: 1px solid var(--hairline);
}

.page-about .ab-team__cell {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(18px, 3.2vw, 28px) clamp(16px, 3vw, 24px);
  background: var(--night);
  transition: background var(--t-fast), box-shadow var(--t-fast);
  outline: none;
}

.page-about .ab-team__cell:focus-visible {
  box-shadow: inset 0 0 0 2px var(--flare);
}

@media (hover: hover) {
  .page-about .ab-team__cell:hover {
    background: var(--layer);
  }
}

.page-about .ab-team__n {
  font-family: var(--font-num);
  font-size: clamp(30px, 5.4vw, 48px);
  line-height: 1;
  color: var(--ink);
  letter-spacing: .01em;
}

.page-about .ab-team__cell:nth-child(1) .ab-team__n { color: var(--neon); }
.page-about .ab-team__cell:nth-child(3) .ab-team__n { color: var(--neon-soft); }
.page-about .ab-team__cell:nth-child(4) .ab-team__n { color: var(--amber); }

.page-about .ab-team__k {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-about .ab-team__sub {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--neon-soft);
  max-height: 120px;
  opacity: .85;
  transition: max-height var(--t-slow), opacity var(--t-slow), margin var(--t-slow);
}

@media (hover: hover) {
  .page-about .ab-team__sub {
    max-height: 0;
    margin-top: 0;
    opacity: 0;
    overflow: hidden;
  }
  .page-about .ab-team__cell:hover .ab-team__sub,
  .page-about .ab-team__cell:focus-within .ab-team__sub {
    max-height: 120px;
    margin-top: 4px;
    opacity: 1;
  }
}

/* ---------- 内容流程 ---------- */
.page-about .ab-flow-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 52px);
  align-items: start;
}

.page-about .ab-flow {
  display: block;
  width: 100%;
  max-width: 640px;
  height: auto;
  margin: clamp(20px, 3.5vw, 32px) 0 clamp(18px, 3vw, 28px);
}

.page-about .ab-flow__line {
  stroke: var(--ab-line);
  stroke-width: 1;
}

.page-about .ab-flow__dot {
  fill: var(--night);
  stroke: var(--neon);
  stroke-width: 1.6;
}

.page-about .ab-flow__dot--now {
  fill: var(--flare);
  stroke: var(--flare);
}

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

.page-about .ab-steps__item {
  padding: 14px 0 16px;
  border-top: 1px solid var(--ab-line-soft);
}

.page-about .ab-steps__idx {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--flare);
  margin-bottom: 6px;
}

.page-about .ab-steps__t {
  margin: 0 0 6px;
  font-family: var(--font-title);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-about .ab-steps__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .ab-flow-media {
  margin: 0;
  border: 1px solid var(--hairline-soft);
  background: var(--solid);
  overflow: hidden;
}

.page-about .ab-flow-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  opacity: .9;
}

.page-about .ab-flow-media .ba-media__cap {
  display: block;
  padding: 12px 16px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
  border-top: 1px solid var(--hairline-soft);
}

/* ---------- 内容分类 ---------- */
.page-about .ab-cover {
  background:
    linear-gradient(180deg, rgba(16, 56, 42, .5), rgba(4, 21, 15, 0) 70%);
}

.page-about .ab-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 28px);
}

.page-about .ab-cover__col {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.6vw, 22px);
}

.page-about .ab-cov {
  padding: clamp(20px, 3.4vw, 30px);
  border: 1px solid var(--hairline-soft);
  border-radius: 2px;
  transition: border-color var(--t-fast), background var(--t-fast);
}

@media (hover: hover) {
  .page-about .ab-cov:hover {
    border-color: var(--hairline);
  }
}

.page-about .ab-cov__tag {
  margin: 0 0 12px;
}

.page-about .ab-cov__t {
  margin: 0 0 10px;
  font-family: var(--font-title);
  font-size: clamp(18px, 2.6vw, 24px);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-about .ab-cov__d {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--muted);
}

.page-about .ab-cover__figure {
  margin: 0;
  border: 1px solid var(--hairline-soft);
  overflow: hidden;
  background: var(--layer);
}

.page-about .ab-cover__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-about .ab-cover__figure .ba-media__cap {
  display: block;
  padding: 12px 16px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
  border-top: 1px solid var(--hairline-soft);
}

/* ---------- 结尾 ---------- */
.page-about .ab-stay {
  border-top: 1px solid var(--hairline-soft);
}

.page-about .ab-stay__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 56px);
}

.page-about .ab-stay__copy .ab-head__lead {
  margin-top: 16px;
}

.page-about .ab-stay__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3.6vw, 32px);
}

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

.page-about .ab-stay__item {
  background: var(--night);
  padding: clamp(16px, 2.8vw, 22px) clamp(16px, 2.6vw, 24px);
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 14px;
  row-gap: 6px;
  align-items: baseline;
}

.page-about .ab-stay__n {
  font-size: clamp(20px, 3vw, 26px);
  line-height: 1;
  color: var(--neon);
  grid-row: 1 / span 1;
}

.page-about .ab-stay__k {
  font-size: 14px;
  letter-spacing: .05em;
  color: var(--ink);
}

.page-about .ab-stay__p {
  grid-column: 2 / -1;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-about .ab-stay__legal {
  margin: clamp(30px, 5vw, 48px) 0 0;
  padding-top: clamp(18px, 3vw, 24px);
  border-top: 1px solid var(--hairline-soft);
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 46em;
}

.page-about .ab-stay__legal a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(23, 224, 176, .38);
  transition: border-color var(--t-fast), color var(--t-fast);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about .ab-team {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-about .ab-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(18px, 3vw, 30px);
  }
  .page-about .ab-cover__col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-about .ab-stay__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about {
    --ab-rail: 62px;
  }

  .page-about .ab-hero__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  }

  .page-about .ab-hero__aside {
    display: flex;
  }

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

  .page-about .ab-flow-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-about .ab-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-about .ab-cover__figure {
    grid-row: 1 / span 1;
  }

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

  .page-about .ab-tl__rail::before {
    top: 10px;
  }
}

@media (min-width: 1080px) {
  .page-about .ab-cover__col {
    grid-template-columns: 1fr;
  }

  .page-about .ab-cover__figure {
    grid-column: 2 / -1;
  }
}
</｜｜DSML｜｜ parameter>
</｜｜DSML｜｜ invoke>
</｜｜DSML｜｜ calls>