.page-about {
  --about-hairline: rgba(30, 58, 76, .9);
  background:
    radial-gradient(1100px 520px at 84% -8%, rgba(53, 224, 208, .10), transparent 62%),
    radial-gradient(820px 460px at 4% 20%, rgba(255, 106, 61, .07), transparent 66%),
    var(--deep-sea);
  color: var(--text);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-about .breadcrumb {
  padding-top: 22px;
}

.page-about .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--mist);
}

.page-about .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--press-red);
}

.page-about .breadcrumb-list a {
  color: var(--mist);
  text-decoration: none;
}

.page-about .breadcrumb-list a:hover,
.page-about .breadcrumb-list a:focus-visible {
  color: var(--neon);
}

.page-about .breadcrumb-list [aria-current="page"] {
  color: var(--nacre);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  isolation: isolate;
  padding: 26px 0 6px;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(170deg, rgba(15, 34, 51, .96), rgba(15, 34, 51, .30));
  clip-path: polygon(0 0, 100% 0, 54% 100%, 0 100%);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 -14% 0;
  z-index: -1;
  height: 56%;
  background: radial-gradient(58% 100% at 74% 100%, rgba(53, 224, 208, .14), transparent 72%);
  pointer-events: none;
}

.page-about .about-hero-grid {
  display: grid;
  gap: 26px;
  align-items: center;
  padding-bottom: 34px;
}

.page-about .about-hero-copy h1 {
  margin: 12px 0 16px;
}

.page-about .about-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 20px 0 24px;
  padding-top: 16px;
  border-top: 1px solid var(--edge);
  color: var(--mist);
  font-size: 13px;
}

.page-about .about-hero-figure {
  margin: 0;
}

.page-about .about-figcaption {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .about-figcaption .slash {
  flex: 0 0 auto;
  width: 24px;
  height: 3px;
}

/* ---------- 通用图框 ---------- */
.page-about .media-frame {
  background: var(--abyss);
  border: 1px solid var(--edge);
  clip-path: var(--panel-clip);
}

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

/* ---------- 快速定位 ---------- */
.page-about .about-index {
  margin-top: 14px;
}

.page-about .about-index-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 14px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-about .about-index-list::-webkit-scrollbar {
  display: none;
}

.page-about .about-index-list a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--edge);
  clip-path: var(--snip-clip);
  color: var(--text-soft);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-about .about-index-list a:hover,
.page-about .about-index-list a:focus-visible {
  color: var(--deep-sea);
  background: var(--neon);
  border-color: var(--neon);
}

/* ---------- 场馆分区 ---------- */
.page-about .about-zones-layout {
  display: grid;
  gap: 32px;
  margin-top: 34px;
}

.page-about .zone-tabs .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 26px;
  padding: 0;
}

.page-about .zone-tabs .tab {
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--edge);
  background: rgba(15, 34, 51, .72);
  clip-path: var(--snip-clip);
  color: var(--text-soft);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  transition: background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-about .zone-tabs .tab[aria-selected="true"] {
  background: var(--neon);
  border-color: var(--neon);
  color: var(--deep-sea);
  font-weight: 600;
}

.page-about .zone-tabs .tab:focus-visible,
.page-about .about-index-list a:focus-visible,
.page-about .history-tabs .tab:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

.page-about .zone-tabs .tabpanel h3 {
  margin: 0 0 12px;
  font-size: 23px;
  line-height: 1.35;
  color: var(--nacre);
}

.page-about .zone-tabs .tabpanel p {
  margin: 0;
  max-width: 58ch;
  color: var(--text-soft);
  line-height: 1.85;
}

.page-about .zone-tabs .tabpanel + .tabpanel {
  margin-top: 26px;
  padding-top: 26px;
  border-top: 1px solid var(--edge);
}

.page-about .about-facts {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-facts li {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-about .about-facts li::before {
  content: "";
  width: 14px;
  height: 2px;
  margin-top: 11px;
  background: var(--press-red);
  transform: skewX(-24deg);
}

.page-about .about-plan-column {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-about .about-plan {
  margin: 0;
  padding: 20px;
  background: linear-gradient(160deg, rgba(15, 34, 51, .95), rgba(6, 13, 21, .95));
  border: 1px solid var(--edge);
  clip-path: var(--panel-clip);
}

.page-about .about-plan svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-plan figcaption {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .about-zone-photo {
  margin: 0;
}

/* ---------- 服务区域 ---------- */
.page-about .about-region-list {
  display: grid;
  gap: 12px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-region-item {
  padding: 24px 22px 26px 26px;
  background: linear-gradient(180deg, rgba(15, 34, 51, .92), rgba(10, 22, 34, .94));
  border-left: 3px solid var(--edge);
  clip-path: var(--snip-clip);
  transition: border-color .24s var(--ease);
}

.page-about .about-region-item:hover {
  border-left-color: var(--neon);
}

.page-about .about-region-item .mono {
  display: block;
  margin-bottom: 10px;
  color: var(--press-red);
  font-size: 13px;
}

.page-about .about-region-item h3 {
  margin: 0 0 8px;
  font-size: 19px;
  line-height: 1.45;
  color: var(--nacre);
}

.page-about .about-region-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-about .about-region-note {
  max-width: 66ch;
  margin: 30px 0 0;
  padding-left: 18px;
  border-left: 2px solid var(--neon);
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-about .about-region-note a {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 发展节点 ---------- */
.page-about .history-tabs .tablist {
  display: flex;
  gap: 4px;
  margin: 30px 0 0;
  padding: 0;
  overflow-x: auto;
  border-bottom: 1px solid var(--edge);
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-about .history-tabs .tablist::-webkit-scrollbar {
  display: none;
}

.page-about .history-tabs .tab {
  position: relative;
  flex: 0 0 auto;
  min-height: 48px;
  padding: 0 18px;
  border: 0;
  background: transparent;
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .08em;
  white-space: nowrap;
  cursor: pointer;
}

.page-about .history-tabs .tab::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: -1px;
  height: 3px;
  background: var(--press-red);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .24s var(--ease);
}

.page-about .history-tabs .tab[aria-selected="true"] {
  color: var(--nacre);
}

.page-about .history-tabs .tab[aria-selected="true"]::after {
  transform: scaleX(1);
}

.page-about .history-tabs .tabpanel {
  max-width: 820px;
  margin-top: 26px;
  padding: 26px 22px 28px;
  background: linear-gradient(140deg, rgba(15, 34, 51, .96), rgba(6, 13, 21, .92));
  clip-path: var(--panel-clip);
}

.page-about .history-tabs .tabpanel + .tabpanel {
  margin-top: 16px;
}

.page-about .history-tabs .tabpanel h3 {
  margin: 0 0 14px;
  font-size: 21px;
  line-height: 1.45;
  color: var(--nacre);
}

.page-about .history-tabs .tabpanel p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.85;
}

/* ---------- 团队 ---------- */
.page-about .about-team-layout {
  display: grid;
  gap: 34px;
}

.page-about .about-team-list {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-team-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 22px 0;
  border-top: 1px solid var(--edge);
}

.page-about .about-team-item:last-child {
  border-bottom: 1px solid var(--edge);
}

.page-about .about-team-item .mono {
  padding-top: 3px;
  color: var(--coral);
  font-size: 14px;
  letter-spacing: .08em;
}

.page-about .about-team-item h3 {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--nacre);
}

.page-about .about-team-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-about .about-team-figure {
  margin: 0;
}

/* ---------- 合作 ---------- */
.page-about .about-partner-panel {
  padding: 32px 24px;
  color: var(--ink);
}

.page-about .about-partner-grid {
  display: grid;
  gap: 32px;
}

.page-about .about-partner-panel .eyebrow {
  color: var(--press-red);
}

.page-about .about-partner-copy h2 {
  margin: 10px 0 16px;
  color: var(--ink);
}

.page-about .about-partner-copy p {
  margin: 0 0 24px;
  color: var(--ink-soft);
  line-height: 1.85;
}

.page-about .about-partner-list {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-partner-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(36, 26, 20, .18);
}

.page-about .about-partner-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-about .about-partner-list .mono {
  padding-top: 3px;
  color: var(--press-red);
  font-size: 13px;
  letter-spacing: .1em;
}

.page-about .about-partner-list h3 {
  margin: 0 0 5px;
  font-size: 16px;
  color: var(--ink);
}

.page-about .about-partner-list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 720px) {
  .page-about .about-region-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-about .about-partner-panel {
    padding: 52px 48px;
  }
}

@media (min-width: 960px) {
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 52px;
    padding-bottom: 58px;
  }
}

@media (min-width: 1000px) {
  .page-about .about-zones-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }

  .page-about .about-team-layout {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .about-team-figure {
    position: sticky;
    top: calc(var(--topbar-h) + 28px);
  }
}

@media (min-width: 1040px) {
  .page-about .about-partner-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .zone-tabs .tab,
  .page-about .about-region-item,
  .page-about .history-tabs .tab::after,
  .page-about .about-index-list a {
    transition: opacity .12s linear;
  }
}
<<<END>>>