.page-about {
  --about-rail: 236px;
  --about-glow: rgba(122, 60, 255, .32);
  --about-teal-soft: rgba(6, 54, 59, .55);
  display: block;
}

.page-about .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .4rem;
  list-style: none;
  margin: 0;
  padding: .9rem 0 0;
  font-size: .82rem;
  color: var(--mist);
}

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

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

.page-about .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: .4rem;
  color: var(--mist);
  opacity: .6;
}

/* ---------- Hero ---------- */

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.5rem, 4vw, 2.75rem) 0 clamp(1.75rem, 5vw, 3rem);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -18%;
  width: min(820px, 92vw);
  height: min(820px, 92vw);
  background: radial-gradient(circle at 50% 50%, var(--about-glow), transparent 62%);
  filter: blur(18px);
  pointer-events: none;
  z-index: 0;
}

.page-about .about-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: center;
}

.page-about .about-hero__copy h1 {
  margin: .5rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.05rem, 6vw, 4.1rem);
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--white);
  text-shadow: 0 0 26px rgba(34, 224, 224, .28);
}

.page-about .about-hero__copy .wm-lead {
  margin: clamp(1rem, 2.4vw, 1.4rem) 0 0;
  max-width: 46ch;
  color: var(--mist);
  font-size: clamp(.98rem, 1.9vw, 1.08rem);
  line-height: 1.78;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: clamp(1.25rem, 2.6vw, 1.75rem);
}

.page-about .about-hero__media {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 26px 64px rgba(7, 11, 26, .62);
}

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

.page-about .about-hero__facts {
  position: relative;
  z-index: 1;
  display: grid;
  gap: .6rem;
  margin: clamp(1.5rem, 3vw, 2.25rem) 0 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-about .about-fact {
  padding: .7rem .85rem;
  border-radius: var(--r-sm);
  background: var(--glass-2);
  border: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.page-about .about-fact dt {
  font-size: .68rem;
  letter-spacing: .1em;
  color: var(--mist);
  text-transform: uppercase;
}

.page-about .about-fact dd {
  margin: .3rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.1rem, 2.4vw, 1.5rem);
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

/* ---------- Two column .page-about ---------- */

.page-about .about-body {
  display: grid;
  gap: clamp(2rem, 4vw, 3rem);
  padding-bottom: clamp(3rem, 7vw, 5rem);
}

.page-about .about-index {
  border-bottom: 1px solid var(--line);
  padding-bottom: .5rem;
}

.page-about .about-index__label {
  margin: 0 0 .5rem;
  font-family: var(--font-display);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--violet);
}

.page-about .about-index__nav {
  display: flex;
  gap: .4rem;
  overflow-x: auto;
  padding-bottom: .35rem;
  scrollbar-width: thin;
}

.page-about .wm-toc__link {
  display: block;
  flex: 0 0 auto;
  padding: .5rem .7rem;
  border-radius: var(--r-sm);
  border-left: 2px solid transparent;
  color: var(--mist);
  font-size: .86rem;
  white-space: nowrap;
  text-decoration: none;
  transition: color .2s ease, background .2s ease, border-color .2s ease;
}

.page-about .wm-toc__link:hover {
  color: var(--white);
  background: var(--glass-2);
}

.page-about .wm-toc__link.is-current {
  color: var(--cyan);
  background: rgba(34, 224, 224, .08);
  border-left-color: var(--cyan);
}

.page-about .about-flow {
  min-width: 0;
}

.page-about .about-sec {
  scroll-margin-top: calc(var(--head-h) + 20px);
}

.page-about .about-sec + .about-sec {
  margin-top: clamp(2.75rem, 6vw, 4.5rem);
}

.page-about .about-prose p {
  margin: 0 0 1rem;
  color: var(--mist);
  font-size: .98rem;
  line-height: 1.8;
}

.page-about .about-prose .wm-section__lede {
  color: var(--white);
  font-size: clamp(1rem, 2.1vw, 1.12rem);
  line-height: 1.76;
}

.page-about .about-aside {
  padding: clamp(1.1rem, 2.6vw, 1.5rem);
  border-radius: var(--r);
  align-self: start;
}

.page-about .about-aside__title {
  margin: 0 0 .85rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.02rem;
  color: var(--white);
}

.page-about .about-aside__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .75rem;
}

.page-about .about-aside__list li {
  padding-left: .85rem;
  border-left: 2px solid var(--line-soft);
  color: var(--mist);
  font-size: .92rem;
  line-height: 1.72;
}

.page-about .about-aside__list strong {
  display: block;
  color: var(--cyan);
  font-weight: 700;
  font-size: .9rem;
  margin-bottom: .15rem;
}

/* ---------- Timeline ---------- */

.page-about .about-timeline {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0 0 0 26px;
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: .9rem;
  bottom: .9rem;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--violet), var(--cyan) 58%, rgba(34, 224, 224, 0));
}

.page-about .about-timeline__item + .about-timeline__item {
  margin-top: .5rem;
}

.page-about .about-stage {
  position: relative;
  border-radius: var(--r);
  border: 1px solid transparent;
  transition: border-color .24s ease, background .24s ease;
}

.page-about .about-stage[open] {
  background: var(--about-teal-soft);
  border-color: var(--line);
}

.page-about .about-stage__summary {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .2rem;
  padding: .95rem 3rem .95rem 1rem;
  cursor: pointer;
  list-style: none;
}

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

.page-about .about-stage__summary::marker {
  content: "";
}

.page-about .about-stage__dot {
  position: absolute;
  left: -25px;
  top: 1.35rem;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(34, 224, 224, .14), 0 0 14px rgba(34, 224, 224, .8);
}

.page-about .about-stage__period {
  font-family: var(--font-display);
  font-size: .74rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--violet);
}

.page-about .about-stage__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.02rem, 2.2vw, 1.22rem);
  color: var(--white);
  line-height: 1.4;
}

.page-about .about-stage__summary::after {
  content: "+";
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--cyan);
  transition: transform .24s ease;
}

.page-about .about-stage[open] .about-stage__summary::after {
  content: "–";
  transform: translateY(-50%) scale(1.05);
}

.page-about .about-stage__body {
  padding: 0 1.4rem 1.15rem 1rem;
}

.page-about .about-stage__body p {
  margin: 0;
  color: var(--mist);
  font-size: .94rem;
  line-height: 1.8;
}

/* ---------- Category map ---------- */

.page-about .about-cats {
  display: grid;
  gap: .85rem;
  grid-template-columns: minmax(0, 1fr);
  grid-auto-flow: dense;
  margin-top: 1.5rem;
}

.page-about .about-cat {
  position: relative;
  overflow: hidden;
  padding: 1.05rem 1.1rem 1.15rem;
  border-radius: var(--r);
  background: linear-gradient(160deg, rgba(19, 32, 67, .92), rgba(14, 22, 48, .88));
  border: 1px solid var(--line-soft);
  transition: transform .24s ease, border-color .24s ease, box-shadow .24s ease;
}

.page-about .about-cat::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -90px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(122, 60, 255, .4), transparent 66%);
  opacity: .5;
  transition: opacity .24s ease;
  pointer-events: none;
}

.page-about .about-cat--wide {
  background: linear-gradient(150deg, rgba(6, 54, 59, .94), rgba(14, 22, 48, .92));
  border-color: var(--line);
}

.page-about .about-cat:hover,
.page-about .about-cat:focus-within {
  transform: translateY(-3px);
  border-color: var(--cyan);
  box-shadow: 0 16px 36px rgba(34, 224, 224, .16);
}

.page-about .about-cat:hover::after,
.page-about .about-cat:focus-within::after {
  opacity: 1;
}

.page-about .about-cat__no {
  margin: 0;
  font-family: var(--font-display);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-about .about-cat__name {
  margin: .3rem 0 .45rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--white);
}

.page-about .about-cat__desc {
  margin: 0;
  position: relative;
  z-index: 1;
  color: var(--mist);
  font-size: .9rem;
  line-height: 1.72;
}

.page-about .about-cat__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  margin: .8rem 0 0;
  padding: 0;
  list-style: none;
  position: relative;
  z-index: 1;
}

.page-about .about-cat__tags li {
  padding: .2rem .55rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(34, 224, 224, .06);
  color: var(--cyan);
  font-size: .72rem;
}

.page-about .about-cats__more {
  margin: 1.25rem 0 0;
  color: var(--mist);
  font-size: .92rem;
  line-height: 1.75;
}

.page-about .about-cats__more a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 194, 75, .4);
}

.page-about .about-cats__more a:hover {
  color: var(--white);
}

/* ---------- Operations ---------- */

.page-about .about-ops__media {
  margin: 1.5rem 0 0;
  border-radius: var(--r);
  overflow: hidden;
  border: 1px solid var(--line);
}

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

.page-about .about-teams {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: .85rem;
}

.page-about .about-team {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .9rem;
  padding: 1rem;
  border-radius: var(--r);
  background: var(--glass-2);
  border: 1px solid var(--line-soft);
  transition: border-color .24s ease, background .24s ease;
}

.page-about .about-team:hover {
  border-color: var(--violet);
  background: rgba(122, 60, 255, .1);
}

.page-about .about-team__no {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.45rem;
  line-height: 1;
  color: var(--violet);
  text-shadow: 0 0 14px rgba(122, 60, 255, .6);
  font-variant-numeric: tabular-nums;
}

.page-about .about-team__name {
  margin: 0 0 .3rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.02rem;
  color: var(--white);
}

.page-about .about-team__text {
  margin: 0;
  color: var(--mist);
  font-size: .92rem;
  line-height: 1.75;
}

/* ---------- Jiangxi ---------- */

.page-about .about-local {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
  margin-top: 1.5rem;
}

.page-about .about-local__cities {
  margin-top: 1rem;
}

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

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

/* ---------- Ecosystem ---------- */

.page-about .about-honors {
  display: grid;
  gap: .75rem;
  margin-top: 1.5rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-about .about-honor {
  padding: 1rem 1.05rem 1.1rem;
  border-radius: var(--r);
  background: var(--glass);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
  transition: background .24s ease, border-color .24s ease, transform .24s ease;
}

.page-about .about-honor:hover {
  background: rgba(34, 224, 224, .09);
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-about .about-honor__num {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.35rem, 3vw, 1.8rem);
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

.page-about .about-honor__label {
  margin: .35rem 0 0;
  font-size: .86rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--white);
}

.page-about .about-honor__note {
  margin: .4rem 0 0;
  color: var(--mist);
  font-size: .82rem;
  line-height: 1.68;
}

/* ---------- Closing CTA ---------- */

.page-about .about-cta {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  padding: clamp(1.35rem, 3.4vw, 2.25rem);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
}

.page-about .about-cta__inner {
  display: grid;
  gap: 1.25rem;
}

.page-about .about-cta__title {
  margin: 0 0 .6rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.35rem, 3.4vw, 2rem);
  color: var(--white);
  text-shadow: 0 0 22px rgba(122, 60, 255, .45);
}

.page-about .about-cta__text {
  margin: 0;
  color: var(--mist);
  font-size: .95rem;
  line-height: 1.78;
  max-width: 62ch;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

/* ---------- Responsive ---------- */

@media (min-width: 640px) {
  .page-about .about-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.04fr);
  }

  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, auto);
    align-items: center;
  }

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

  .page-about .about-local {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-about .about-ops__media,
  .page-about .about-teams {
    margin-top: 0;
  }
}

@media (min-width: 1080px) {
  .page-about .about-hero__facts {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-about .about-body {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .about-index {
    position: sticky;
    top: calc(var(--head-h) + 1.25rem);
    align-self: start;
    border-bottom: 0;
    padding-bottom: 0;
  }

  .page-about .about-index__nav {
    display: grid;
    gap: .3rem;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .wm-toc__link {
    white-space: normal;
  }

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

  .page-about .about-cat--wide {
    grid-column: span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-cat,
  .page-about .about-honor,
  .page-about .about-team,
  .page-about .about-stage {
    transition: none;
  }

  .page-about .about-cat:hover,
  .page-about .about-honor:hover {
    transform: none;
  }
}