.page-about {
  --about-gold-line: rgba(201, 162, 74, .38);
  --about-neon-line: rgba(53, 242, 224, .2);
  --about-window: rgba(201, 162, 74, .16);
  padding-bottom: 72px;
}

/* ---------- 面包屑 ---------- */
.page-about .breadcrumb {
  margin: 0 0 26px;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding: 8px 0 40px;
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: end;
}

.page-about .about-hero__kicker {
  margin: 0 0 14px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--moss);
}

.page-about .about-hero__kicker .mono {
  color: var(--gold);
  margin-right: 8px;
}

.page-about .about-hero__title {
  margin: 0 0 20px;
  font-size: clamp(38px, 10vw, 88px);
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--paper);
  text-shadow: 3px 3px 0 rgba(91, 18, 48, .85);
}

.page-about .about-hero__lead {
  margin: 0 0 26px;
  max-width: 60ch;
  color: var(--paper);
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin: 0 0 28px;
  padding: 18px 0 0;
  border-top: 1px solid var(--about-gold-line);
  list-style: none;
}

.page-about .about-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-about .about-hero__num {
  font-size: 22px;
  line-height: 1;
  color: var(--neon);
  letter-spacing: .02em;
}

.page-about .about-hero__label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--moss);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

.page-about .about-hero__figure {
  margin: 0;
  border: 2px solid var(--about-gold-line);
  background: var(--green);
}

.page-about .about-hero__figure img,
.page-about .about-team__figure img,
.page-about .about-gd__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 起点 ---------- */
.page-about .about-origin__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-about .about-origin__body p {
  margin: 0 0 18px;
}

.page-about .about-origin__body p:last-child {
  margin-bottom: 0;
}

.page-about .quote {
  margin: 0;
  padding: 22px 20px;
  background: var(--wine);
  border: 3px solid var(--gold);
  box-shadow: var(--hard-shadow);
}

.page-about .quote__text {
  margin: 0 0 14px;
  font-size: 18px;
  line-height: 1.7;
  color: var(--paper);
  font-weight: 700;
}

.page-about .quote__source {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--amber);
}

/* ---------- 窗格分隔带 ---------- */
.page-about .window-band {
  height: 72px;
  margin: 8px 0;
  background-image:
    repeating-linear-gradient(90deg, var(--about-window) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(0deg, var(--about-window) 0 1px, transparent 1px 32px);
  border-top: 1px solid var(--about-gold-line);
  border-bottom: 1px solid var(--about-gold-line);
  opacity: .75;
}

/* ---------- 时间线 ---------- */
.page-about .timeline__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-about .timeline__rail {
  display: none;
}

.page-about .timeline__years {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .timeline__year {
  display: inline-block;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--moss);
  text-decoration: none;
  border: 1px solid var(--about-gold-line);
  transition: color .16s var(--ease), border-color .16s var(--ease), background-color .16s var(--ease);
}

.page-about .timeline__year:hover,
.page-about .timeline__year:focus-visible {
  color: var(--ink);
  background: var(--neon);
  border-color: var(--neon);
}

.page-about .timeline__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--about-gold-line);
}

.page-about .timeline__item {
  position: relative;
  padding: 0 0 34px 24px;
  scroll-margin-top: calc(var(--header-offset) + 24px);
}

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

.page-about .timeline__item::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 7px;
  width: 11px;
  height: 11px;
  background: var(--neon);
  box-shadow: 0 0 0 4px rgba(53, 242, 224, .14);
  transition: background-color .16s var(--ease), box-shadow .16s var(--ease);
}

.page-about .timeline__item:hover::before {
  background: var(--magenta);
  box-shadow: 0 0 0 6px rgba(255, 46, 147, .22);
}

.page-about .timeline__year-label {
  margin: 0 0 6px;
  font-size: 20px;
  line-height: 1;
  color: var(--gold);
}

.page-about .timeline__title {
  margin: 0 0 8px;
  font-size: 20px;
  line-height: 1.35;
  color: var(--paper);
  letter-spacing: -.01em;
}

.page-about .timeline__text {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--moss);
}

/* ---------- 团队 ---------- */
.page-about .about-team__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-about .about-team__intro .prose {
  margin-top: 16px;
}

.page-about .about-team__figure {
  margin: 0;
  border: 2px solid var(--about-gold-line);
  background: var(--indigo);
}

.page-about .about-team__tabs {
  border: 2px solid var(--about-gold-line);
  background: var(--green);
  box-shadow: var(--hard-shadow);
}

.page-about .about-team__tabs .tabs__list {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--about-gold-line);
}

.page-about .about-team__tabs .tabs__tab {
  flex: 1 1 auto;
  min-width: 120px;
  padding: 13px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--moss);
  background: transparent;
  border: 0;
  border-right: 1px solid var(--about-gold-line);
  cursor: pointer;
  transition: color .16s var(--ease), background-color .16s var(--ease);
}

.page-about .about-team__tabs .tabs__tab:last-child {
  border-right: 0;
}

.page-about .about-team__tabs .tabs__tab[aria-selected="true"] {
  color: var(--ink);
  background: var(--neon);
}

.page-about .about-team__tabs .tabs__tab:hover {
  color: var(--amber);
}

.page-about .about-team__tabs .tabs__tab[aria-selected="true"]:hover {
  color: var(--ink);
}

.page-about .about-team__tabs .tabs__panel[hidden] {
  display: none;
}

.page-about .about-team__panel {
  padding: 22px 18px 6px;
}

.page-about .about-team__panel + .about-team__panel {
  border-top: 1px dashed var(--about-gold-line);
}

.page-about .about-team__panel-title {
  margin: 0 0 14px;
  font-size: 19px;
  line-height: 1.4;
  color: var(--paper);
}

.page-about .about-team__list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-about .about-team__list li {
  position: relative;
  padding: 0 0 10px 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--moss);
}

.page-about .about-team__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  background: var(--gold);
}

/* ---------- 段位设计 ---------- */
.page-about .about-rank__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-about .about-rank__block {
  padding: 22px 20px;
  border: 2px solid var(--about-gold-line);
}

.page-about .about-rank__figure {
  margin: 0 0 12px;
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--neon);
}

.page-about .about-rank__block .card__title {
  margin: 0 0 10px;
  font-size: 19px;
  line-height: 1.4;
  color: var(--paper);
}

.page-about .about-rank__block p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--moss);
}

/* ---------- 广东 ---------- */
.page-about .about-gd__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-about .about-gd__copy .prose p {
  margin: 0 0 16px;
}

.page-about .about-gd__copy .prose p:last-child {
  margin-bottom: 0;
}

.page-about .about-gd__figure {
  margin: 0;
  border: 2px solid var(--about-gold-line);
  background: var(--wine);
}

/* ---------- 合作 ---------- */
.page-about .about-partner__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-about .about-partner__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 20px;
  background: var(--green);
  border: 2px solid var(--about-gold-line);
  border-top-width: 6px;
  box-shadow: var(--hard-shadow);
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}

.page-about .about-partner__card:hover {
  transform: translate(-2px, -2px);
  border-color: var(--neon);
}

.page-about .about-partner__card .tag {
  align-self: flex-start;
}

.page-about .about-partner__title {
  margin: 0;
  font-size: 20px;
  line-height: 1.4;
  color: var(--paper);
}

.page-about .about-partner__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--moss);
}

.page-about .about-partner__meta {
  padding-top: 10px;
  border-top: 1px dashed var(--about-gold-line);
  color: var(--amber) !important;
  font-size: 13.5px !important;
}

.page-about .about-partner__contact {
  margin: 28px 0 0;
  padding: 16px 18px;
  background: var(--indigo);
  border-left: 4px solid var(--magenta);
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
}

.page-about .about-partner__mail {
  color: var(--neon);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid var(--about-neon-line);
}

.page-about .about-partner__mail:hover {
  color: var(--amber);
}

/* ---------- 下一步 ---------- */
.page-about .about-next {
  padding-bottom: 8px;
}

.page-about .about-next__inner {
  padding: 30px 22px;
  background: linear-gradient(135deg, var(--wine) 0%, var(--indigo) 100%);
  border: 3px solid var(--gold);
  box-shadow: var(--hard-shadow);
}

.page-about .about-next__title {
  margin: 0 0 14px;
  font-size: clamp(26px, 6vw, 40px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-about .about-next__text {
  margin: 0 0 22px;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--paper);
}

.page-about .about-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

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

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

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 48px;
  }

  .page-about .about-origin__grid {
    grid-template-columns: 7fr 4fr;
    gap: 24px;
    align-items: start;
  }

  .page-about .about-origin__aside {
    padding-top: 46px;
  }

  .page-about .timeline__layout {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 36px;
  }

  .page-about .timeline__rail {
    display: block;
    position: sticky;
    top: calc(var(--header-offset) + 28px);
    align-self: start;
    padding-left: 4px;
    border-left: 1px solid var(--about-gold-line);
  }

  .page-about .timeline__rail-anno {
    display: block;
    margin: 0 0 16px 12px;
  }

  .page-about .timeline__years {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 12px;
    padding-left: 10px;
  }

  .page-about .timeline__year {
    padding: 3px 8px;
  }

  .page-about .timeline__item {
    padding-left: 32px;
  }

  .page-about .timeline__item::before {
    left: -7px;
    width: 13px;
    height: 13px;
  }

  .page-about .about-team__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .page-about .about-team__intro {
    max-width: 70ch;
  }

  .page-about .about-rank__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .page-about .about-gd__grid {
    grid-template-columns: 5fr 7fr;
    gap: 40px;
    align-items: center;
  }

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

  .page-about .about-next__inner {
    padding: 46px 40px;
  }
}

@media (min-width: 1200px) {
  .page-about .about-hero {
    padding-top: 20px;
  }

  .page-about .timeline__layout {
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-partner__card,
  .page-about .timeline__item::before,
  .page-about .timeline__year {
    transition: none;
  }

  .page-about .about-partner__card:hover {
    transform: none;
  }
}