.page-about {
  display: block;
  overflow-x: hidden;
  background: var(--ey-void);
  color: var(--ey-ink);
  font-family: var(--ey-font-body);
  line-height: 1.75;
}

.page-about .ey-crumbs {
  padding: 22px 0 0;
  font-size: 13px;
  color: var(--ey-steel);
}

.page-about .ey-crumbs a {
  color: var(--ey-cyan);
  text-decoration: none;
}

.page-about .ey-crumbs a:hover {
  text-decoration: underline;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: clamp(24px, 4vw, 46px) 0 clamp(36px, 5vw, 72px);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: -110px 0 auto 0;
  height: 460px;
  background:
    radial-gradient(58% 100% at 16% 0%, rgba(59, 29, 110, .58), rgba(6, 7, 12, 0) 72%),
    radial-gradient(42% 78% at 90% 14%, rgba(34, 211, 238, .16), rgba(6, 7, 12, 0) 74%);
  pointer-events: none;
  z-index: 0;
}

.page-about .about-hero > .ey-shell {
  position: relative;
  z-index: 1;
}

.page-about .about-hero__head {
  max-width: 940px;
}

.page-about .about-hero__title {
  margin: 14px 0 20px;
  letter-spacing: -.02em;
  line-height: 1.08;
  font-family: var(--ey-font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.6vw, 58px);
}

.page-about .about-hero__lede {
  max-width: 40em;
  margin: 0;
  color: var(--ey-ink-soft);
  font-size: clamp(15px, 1.55vw, 17px);
}

.page-about .about-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 30px 0 34px;
  padding: 0;
  list-style: none;
}

.page-about .about-facts li {
  padding: 14px 16px 15px;
  border-radius: var(--ey-r-md);
  border: 1px solid var(--ey-line);
  background: linear-gradient(152deg, rgba(34, 211, 238, .09), rgba(18, 8, 31, .66) 62%, rgba(6, 7, 12, .8));
  box-shadow: var(--ey-shadow-card);
}

.page-about .about-facts__n {
  font-family: var(--ey-font-mono);
  font-size: clamp(24px, 3.6vw, 34px);
  font-weight: 700;
  color: var(--ey-gold);
  letter-spacing: .02em;
  line-height: 1.1;
}

.page-about .about-facts__u {
  margin-left: 3px;
  font-family: var(--ey-font-mono);
  font-size: 13px;
  color: var(--ey-ink);
}

.page-about .about-facts__l {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--ey-steel);
  letter-spacing: .01em;
}

.page-about .about-hero__banner {
  margin: 0;
}

.page-about .about-hero__banner .ey-figure__media {
  display: block;
  overflow: hidden;
  border-radius: var(--ey-r-lg);
  border: 1px solid var(--ey-line);
  background: linear-gradient(150deg, rgba(34, 211, 238, .14), rgba(59, 29, 110, .42) 58%, rgba(6, 7, 12, .9));
  box-shadow: var(--ey-shadow-card);
}

.page-about .about-hero__banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 1600 / 720;
}

.page-about .about-hero__banner .ey-figure__caption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ey-steel);
}

/* ---------- 章节通用 ---------- */
.page-about .about-block {
  position: relative;
  padding: clamp(38px, 5.5vw, 76px) 0;
}

.page-about .about-block__head {
  max-width: 760px;
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.page-about .about-block__head .ey-h2 {
  margin: 12px 0 14px;
  font-family: var(--ey-font-display);
  font-weight: 800;
  letter-spacing: -.015em;
  line-height: 1.16;
  font-size: clamp(24px, 3.6vw, 38px);
}

.page-about .about-block__sub {
  margin: 0;
  color: var(--ey-ink-soft);
  font-size: clamp(14px, 1.5vw, 16px);
  max-width: 36em;
}

/* ---------- 发展节点时间轴 ---------- */
.page-about .about-rail {
  position: relative;
  margin: 0;
  padding: 0 0 0 46px;
  list-style: none;
}

.page-about .about-rail::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, rgba(245, 184, 65, .85), rgba(59, 29, 110, .5) 55%, rgba(34, 211, 238, .35));
}

.page-about .about-rail__item {
  position: relative;
  padding: 0 0 clamp(24px, 3.4vw, 38px);
}

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

.page-about .about-rail__item::before {
  content: "";
  position: absolute;
  left: -38px;
  top: 9px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ey-gold);
  box-shadow: 0 0 0 4px rgba(245, 184, 65, .16), 0 0 16px rgba(245, 184, 65, .5);
}

.page-about .about-rail__item::after {
  content: "";
  position: absolute;
  left: -38px;
  top: 27px;
  width: 12px;
  height: calc(100% - 6px);
  border-left: 1px dashed rgba(143, 163, 184, .18);
  opacity: 0;
  pointer-events: none;
}

.page-about .about-rail__idx {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--ey-font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--ey-steel);
}

.page-about .about-rail__body {
  padding: 16px 18px 18px;
  border-radius: var(--ey-r-md);
  border: 1px solid var(--ey-line-soft);
  background: linear-gradient(150deg, rgba(59, 29, 110, .22), rgba(18, 8, 31, .5));
  transition: border-color .3s ease, transform .3s ease, background .3s ease;
}

.page-about .about-rail__item:hover .about-rail__body {
  transform: translateY(-3px);
  border-color: rgba(245, 184, 65, .5);
  background: linear-gradient(150deg, rgba(59, 29, 110, .34), rgba(18, 8, 31, .62));
}

.page-about .about-rail__body .ey-h3 {
  margin: 0 0 8px;
  font-family: var(--ey-font-display);
  font-weight: 800;
  font-size: clamp(17px, 2vw, 20px);
  letter-spacing: -.01em;
}

.page-about .about-rail__body p {
  margin: 0;
  color: var(--ey-ink-soft);
  font-size: 15px;
}

.page-about .about-rail__tags {
  margin-top: 12px !important;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  opacity: .5;
  transition: opacity .3s ease;
}

.page-about .about-rail__item:hover .about-rail__tags,
.page-about .about-rail__item:focus-within .about-rail__tags {
  opacity: 1;
}

.page-about .about-rail__tags span {
  padding: 3px 10px;
  border-radius: 999px;
  font-family: var(--ey-font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--ey-cyan);
  background: rgba(34, 211, 238, .1);
  border: 1px solid rgba(34, 211, 238, .28);
}

/* ---------- 四类能力 ---------- */
.page-about .about-cap {
  background:
    radial-gradient(52% 60% at 12% 0%, rgba(59, 29, 110, .34), rgba(6, 7, 12, 0) 70%);
}

.page-about .about-cap__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-about .about-cap__card {
  padding: 20px 20px 22px;
  border-radius: var(--ey-r-md);
  border: 1px solid var(--ey-line-soft);
  background: linear-gradient(158deg, rgba(34, 211, 238, .08), rgba(18, 8, 31, .62) 55%, rgba(6, 7, 12, .84));
  box-shadow: var(--ey-shadow-card);
  transition: transform .3s ease, border-color .3s ease;
}

.page-about .about-cap__card:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 211, 238, .45);
}

.page-about .about-cap__card--gold {
  border-color: rgba(245, 184, 65, .34);
  background: linear-gradient(158deg, rgba(245, 184, 65, .12), rgba(18, 8, 31, .62) 58%, rgba(6, 7, 12, .84));
}

.page-about .about-cap__card--gold:hover {
  border-color: rgba(245, 184, 65, .72);
}

.page-about .about-cap__title {
  margin: 0 0 14px;
  font-family: var(--ey-font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -.01em;
  color: var(--ey-cream);
}

.page-about .about-cap__stats {
  margin: 0 0 14px;
  display: grid;
  gap: 8px;
}

.page-about .about-cap__stats > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--ey-line-soft);
}

.page-about .about-cap__stats dt {
  font-size: 13px;
  color: var(--ey-steel);
}

.page-about .about-cap__stats dd {
  margin: 0;
  font-family: var(--ey-font-mono);
  font-size: 14px;
  letter-spacing: .03em;
  color: var(--ey-ink);
}

.page-about .about-cap__n {
  font-size: 22px;
  font-weight: 700;
  color: var(--ey-gold);
  margin-right: 2px;
}

.page-about .about-cap__desc {
  margin: 0;
  font-size: 14px;
  color: var(--ey-ink-soft);
}

.page-about .about-cap__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.2vw, 36px);
}

/* ---------- 团队 ---------- */
.page-about .about-team__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  align-items: start;
}

.page-about .about-team__lead .ey-h2 {
  margin: 12px 0 16px;
  font-family: var(--ey-font-display);
  font-weight: 800;
  letter-spacing: -.015em;
  line-height: 1.16;
  font-size: clamp(24px, 3.6vw, 38px);
}

.page-about .about-team__lead p {
  margin: 0 0 14px;
  color: var(--ey-ink-soft);
  font-size: 15.5px;
  max-width: 40em;
}

.page-about .about-team__list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}

.page-about .about-team__list li {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--ey-line);
  background: rgba(18, 8, 31, .55);
  font-size: 13px;
  color: var(--ey-ink-soft);
}

.page-about .about-team__n {
  display: block;
  font-family: var(--ey-font-mono);
  font-size: 21px;
  font-weight: 700;
  color: var(--ey-cyan);
  letter-spacing: .03em;
  margin-bottom: 3px;
}

.page-about .about-team__media {
  margin: 0;
}

.page-about .about-team__media .ey-figure__media {
  display: block;
  overflow: hidden;
  border-radius: var(--ey-r-lg);
  border: 1px solid var(--ey-line);
  background: linear-gradient(150deg, rgba(34, 211, 238, .12), rgba(59, 29, 110, .4) 60%, rgba(6, 7, 12, .9));
}

.page-about .about-team__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 1200 / 800;
}

.page-about .about-team__media .ey-figure__caption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ey-steel);
}

/* ---------- 服务覆盖 ---------- */
.page-about .about-reach__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-about .about-reach__map {
  padding: 16px;
  border-radius: var(--ey-r-lg);
  border: 1px solid var(--ey-line-soft);
  background: linear-gradient(155deg, rgba(18, 8, 31, .82), rgba(6, 7, 12, .94));
  box-shadow: var(--ey-shadow-card);
}

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

.page-about .about-reach__line {
  stroke: url(#eyReachTrail);
  stroke-width: 1.4;
  stroke-linecap: round;
}

.page-about .about-reach__line--soft {
  stroke-dasharray: 3 7;
  opacity: .55;
}

.page-about .about-reach__nodes circle {
  fill: var(--ey-cyan);
  opacity: .72;
}

.page-about .about-reach__pin {
  fill: var(--ey-gold);
  animation: about-breathe 2.4s ease-in-out infinite;
}

.page-about .about-reach__label {
  font-family: var(--ey-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  fill: var(--ey-gold);
}

@keyframes about-breathe {
  0%, 100% { opacity: 1; }
  50% { opacity: .42; }
}

.page-about .about-reach__stats {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-about .about-reach__stats li {
  padding: 14px 16px 15px;
  border-radius: var(--ey-r-md);
  border: 1px solid var(--ey-line-soft);
  background: rgba(18, 8, 31, .5);
}

.page-about .about-reach__n {
  font-family: var(--ey-font-mono);
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  color: var(--ey-gold);
  letter-spacing: .02em;
}

.page-about .about-reach__n small {
  font-size: .55em;
  margin-left: 1px;
}

.page-about .about-reach__u {
  margin-left: 8px;
  font-size: 13px;
  color: var(--ey-steel);
}

.page-about .about-reach__stats p {
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--ey-ink-soft);
}

.page-about .about-reach__fig {
  margin: 0;
}

.page-about .about-reach__fig .ey-figure__media {
  display: block;
  overflow: hidden;
  border-radius: var(--ey-r-md);
  border: 1px solid var(--ey-line-soft);
  background: linear-gradient(150deg, rgba(34, 211, 238, .1), rgba(59, 29, 110, .38) 60%, rgba(6, 7, 12, .9));
}

.page-about .about-reach__fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 1400 / 700;
}

.page-about .about-reach__fig .ey-figure__caption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ey-steel);
}

/* ---------- 合作生态 ---------- */
.page-about .about-coop {
  padding-bottom: clamp(46px, 6vw, 84px);
}

.page-about .about-coop__panel {
  padding: clamp(26px, 4.4vw, 52px) clamp(20px, 4vw, 48px);
  border-radius: var(--ey-r-lg);
  background: var(--ey-cream);
  color: var(--ey-cocoa);
  box-shadow: var(--ey-shadow-lift);
}

.page-about .about-coop__kicker {
  display: inline-block;
  margin: 0 0 12px;
  padding: 3px 12px;
  border-radius: 999px;
  font-family: var(--ey-font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--ey-cocoa);
  background: rgba(245, 184, 65, .55);
}

.page-about .about-coop__title {
  margin: 0 0 16px;
  font-family: var(--ey-font-display);
  font-weight: 900;
  letter-spacing: -.018em;
  line-height: 1.16;
  font-size: clamp(23px, 3.5vw, 36px);
  color: var(--ey-cocoa);
}

.page-about .about-coop__lead {
  margin: 0 0 26px;
  max-width: 44em;
  font-size: clamp(15px, 1.5vw, 16.5px);
  color: #3A2A1E;
}

.page-about .about-coop__cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-bottom: 26px;
}

.page-about .about-coop__col {
  padding: 18px 18px 20px;
  border-radius: var(--ey-r-md);
  background: rgba(27, 18, 12, .05);
  border: 1px solid rgba(27, 18, 12, .14);
}

.page-about .about-coop__col h3 {
  margin: 0 0 8px;
  font-family: var(--ey-font-display);
  font-weight: 800;
  font-size: 16px;
  color: var(--ey-cocoa);
}

.page-about .about-coop__col p {
  margin: 0;
  font-size: 14.5px;
  color: #3A2A1E;
  line-height: 1.7;
}

.page-about .about-coop__cta {
  margin: 0;
}

.page-about .about-coop__cta .ey-btn--gold {
  color: var(--ey-cocoa);
  font-weight: 700;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about .about-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

@media (min-width: 960px) {
  .page-about .about-rail {
    padding-left: 120px;
  }

  .page-about .about-rail::before {
    left: 22px;
  }

  .page-about .about-rail__item::before {
    left: -104px;
    top: 22px;
    width: 14px;
    height: 14px;
  }

  .page-about .about-rail__idx {
    position: absolute;
    left: -76px;
    top: 20px;
    margin: 0;
    font-size: 13px;
    color: var(--ey-gold);
  }

  .page-about .about-rail__body {
    padding: 22px 26px 24px;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-about .about-reach__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }
}

@media (min-width: 1120px) {
  .page-about .about-cap__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-reach__pin {
    animation: none;
  }

  .page-about .about-rail__body,
  .page-about .about-rail__tags,
  .page-about .about-cap__card {
    transition: opacity .2s ease;
  }

  .page-about .about-rail__item:hover .about-rail__body,
  .page-about .about-cap__card:hover {
    transform: none;
  }
}