.page-about {
  --about-rail-w: 220px;
  background: var(--ink);
  color: var(--paper);
  padding-bottom: 72px;
}

.page-about .about-crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 22px 0 18px;
  font-size: 13px;
  color: var(--mist);
}
.page-about .about-crumbs a {
  color: var(--mist);
  text-decoration: none;
  transition: color .16s var(--ease);
}
.page-about .about-crumbs a:hover { color: var(--cyan); }
.page-about .about-crumbs [aria-current="page"] {
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
}

.page-about .about-hero {
  position: relative;
  display: grid;
  gap: 26px;
  padding: 26px 22px 30px;
  border: 1px solid var(--line);
  background:
    linear-gradient(158deg, rgba(58, 242, 208, .07), rgba(234, 180, 100, .035) 52%, transparent 82%),
    var(--panel);
  overflow: hidden;
}
.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px solid rgba(33, 68, 61, .55);
  pointer-events: none;
}

.page-about .hero-copy { position: relative; min-width: 0; }

.page-about .hero-coord {
  margin: 0 0 16px;
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-about .hero-copy h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(30px, 7.4vw, 52px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-about .hero-lede {
  margin: 0 0 26px;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-about .hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: 26px;
  border: 1px solid var(--line);
  background: var(--line);
}
.page-about .hero-stat {
  background: var(--ink);
  padding: 14px 14px 15px;
  min-width: 0;
}
.page-about .hero-stat__num {
  display: block;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--paper);
  letter-spacing: -.01em;
}
.page-about .hero-stat:nth-child(1) .hero-stat__num { color: var(--cyan); }
.page-about .hero-stat:nth-child(4) .hero-stat__num { color: var(--gold); }
.page-about .hero-stat__label {
  display: block;
  margin-top: 7px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-about .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .about-hero__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink);
  aspect-ratio: 3 / 2;
  overflow: hidden;
}
.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .about-body {
  display: grid;
  gap: 32px;
  padding-top: 40px;
}

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

.page-about .about-rail .rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--mist);
  text-transform: uppercase;
}

.page-about .about-rail__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}
.page-about .about-rail__list::-webkit-scrollbar { display: none; }

.page-about .about-rail__link {
  display: block;
  white-space: nowrap;
  padding: 9px 12px;
  border: 1px solid var(--line);
  font-size: 13px;
  line-height: 1;
  color: var(--mist);
  text-decoration: none;
  transition: color .16s var(--ease), border-color .16s var(--ease), background-color .16s var(--ease);
}
.page-about .about-rail__link:hover {
  color: var(--paper);
  border-color: var(--cyan);
}
.page-about .about-rail__link.is-active,
.page-about .about-rail__link[aria-current="true"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-about .about-main {
  display: grid;
  gap: 52px;
  min-width: 0;
}

.page-about .about-sec {
  scroll-margin-top: calc(var(--bar-h) + 26px);
  min-width: 0;
}

.page-about .sec-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.page-about .sec-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 4.8vw, 30px);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-about .coord-btn {
  flex: none;
  padding: 4px 7px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  line-height: 1.2;
  cursor: pointer;
  transition: border-color .16s var(--ease), color .16s var(--ease);
}
.page-about .coord-btn:hover { border-color: var(--cyan); }
.page-about .coord-btn[data-copied="true"] {
  color: var(--gold);
  border-color: var(--gold);
}
.page-about .coord-btn[data-copied="true"]::after {
  content: " 已复制";
  font-size: 10px;
  letter-spacing: 0;
}

.page-about .about-sec > p {
  margin: 0 0 16px;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-about .timeline-banner {
  margin: 0 0 26px;
  border: 1px solid var(--line);
  overflow: hidden;
}
.page-about .timeline-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 5;
  object-fit: cover;
}

.page-about .timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), var(--violet) 55%, var(--gold));
}
.page-about .timeline > li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 10px;
}
.page-about .timeline > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--cyan);
}
.page-about .timeline > li:last-child::before { border-color: var(--gold); }

.page-about .tl-node {
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.page-about .tl-node[open] {
  border-color: rgba(58, 242, 208, .42);
  box-shadow: var(--shadow);
}
.page-about .tl-sum {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}
.page-about .tl-sum::-webkit-details-marker { display: none; }
.page-about .tl-sum:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -3px;
}
.page-about .tl-sum::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--mist);
}
.page-about .tl-node[open] .tl-sum::after {
  content: "−";
  color: var(--cyan);
}
.page-about .tl-year {
  flex: none;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--cyan);
}
.page-about .tl-name {
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}
.page-about .tl-body { padding: 0 16px 16px; }
.page-about .tl-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .team-layout {
  display: grid;
  gap: 20px;
  margin-bottom: 24px;
}
.page-about .team-copy p {
  margin: 0 0 14px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}
.page-about .team-plate {
  margin: 0;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--ink);
}
.page-about .team-plate img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .team-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-about .team-card {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 18px 18px 18px 20px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(14, 42, 37, .92), rgba(7, 26, 23, .92));
  min-width: 0;
}
.page-about .team-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 100%;
  background: var(--cyan);
  opacity: .7;
}
.page-about .team-card:nth-child(2)::before { background: var(--violet); }
.page-about .team-card:nth-child(3)::before { background: var(--orange); }
.page-about .team-card:nth-child(4)::before { background: var(--gold); }
.page-about .team-card__num {
  font-size: 26px;
  font-weight: 800;
  line-height: 1;
  color: var(--paper);
  letter-spacing: -.02em;
}
.page-about .team-card__name {
  margin: 0;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--cyan);
}
.page-about .team-card:nth-child(2) .team-card__name { color: var(--violet); }
.page-about .team-card:nth-child(3) .team-card__name { color: var(--orange); }
.page-about .team-card:nth-child(4) .team-card__name { color: var(--gold); }
.page-about .team-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .gov-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-about .gov-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 2px solid rgba(58, 242, 208, .5);
  background: var(--panel);
  min-width: 0;
}
.page-about .gov-item:nth-child(2) { border-left-color: rgba(169, 155, 255, .55); }
.page-about .gov-item:nth-child(3) { border-left-color: rgba(240, 138, 93, .55); }
.page-about .gov-item:nth-child(4) { border-left-color: rgba(234, 180, 100, .55); }
.page-about .gov-item__idx {
  flex: none;
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}
.page-about .gov-item__body { min-width: 0; }
.page-about .gov-item__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.4;
}
.page-about .gov-item__title a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(58, 242, 208, .35);
  padding-bottom: 2px;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}
.page-about .gov-item__title a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}
.page-about .gov-item__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-about .eco-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0 0 22px;
  border: 1px solid var(--line);
  background: var(--line);
}
.page-about .eco-stat {
  background: var(--panel);
  padding: 18px 16px;
  min-width: 0;
}
.page-about .eco-stat__num {
  display: block;
  font-size: 30px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--paper);
}
.page-about .eco-stat:nth-child(1) .eco-stat__num { color: var(--cyan); }
.page-about .eco-stat:nth-child(4) .eco-stat__num { color: var(--gold); }
.page-about .eco-stat__label {
  display: block;
  margin-top: 9px;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-about .honor {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid rgba(234, 180, 100, .42);
  background: linear-gradient(90deg, rgba(234, 180, 100, .09), transparent 72%);
}
.page-about .honor__year {
  flex: none;
  padding: 3px 8px;
  border: 1px solid rgba(234, 180, 100, .55);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
}
.page-about .honor__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .creed {
  position: relative;
  padding: 28px 22px;
  border: 1px solid var(--line);
  background:
    radial-gradient(520px 190px at 12% 0%, rgba(58, 242, 208, .11), transparent 72%),
    radial-gradient(420px 170px at 92% 100%, rgba(234, 180, 100, .08), transparent 70%),
    var(--panel);
  overflow: hidden;
}
.page-about .creed__quote {
  margin: 0 0 16px;
  max-width: 26ch;
  font-family: var(--font-display);
  font-size: clamp(19px, 4.2vw, 27px);
  font-weight: 800;
  line-height: 1.55;
  letter-spacing: -.01em;
  color: var(--paper);
}
.page-about .creed p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-about .about-cta {
  margin-top: 8px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 18px;
}
.page-about .about-cta p {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--mist);
}
.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (min-width: 680px) {
  .page-about .team-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-about .about-hero__figure { aspect-ratio: 16 / 8; }
}

@media (min-width: 780px) {
  .page-about .eco-stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-about .hero-stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-about .team-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 28px;
    align-items: start;
  }
  .page-about .about-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 40px;
    align-items: stretch;
    padding: 44px 40px;
  }
  .page-about .about-hero__figure {
    aspect-ratio: auto;
    min-height: 100%;
  }
  .page-about .hero-copy h1 { max-width: 14ch; }
  .page-about .creed { padding: 40px 36px; }
}

@media (min-width: 980px) {
  .page-about .about-body {
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    padding-top: 64px;
  }
  .page-about .about-rail {
    position: sticky;
    top: calc(var(--bar-h) + 22px);
    padding-left: 18px;
    border-left: 1px solid var(--line);
  }
  .page-about .about-rail__list {
    flex-direction: column;
    gap: 2px;
    padding-bottom: 0;
    overflow: visible;
  }
  .page-about .about-rail__link {
    border: 0;
    border-left: 2px solid transparent;
    padding: 9px 0 9px 12px;
    white-space: normal;
    font-size: 13.5px;
    line-height: 1.5;
  }
  .page-about .about-rail__link:hover {
    border-left-color: var(--line);
  }
  .page-about .about-rail__link.is-active,
  .page-about .about-rail__link[aria-current="true"] {
    color: var(--cyan);
    background: transparent;
    border-left-color: var(--cyan);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about * {
    transition: none !important;
  }
}
</final>