.page-about {
  --about-card: rgba(20, 26, 46, .72);
  --about-glow-cyan: rgba(34, 211, 238, .14);
  --about-glow-purple: rgba(168, 85, 247, .14);
  padding-bottom: 8px;
}

.page-about .breadcrumbs {
  padding-top: 22px;
  padding-bottom: 4px;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  padding-top: 26px;
  padding-bottom: 44px;
}

.page-about .about-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(29px, 6.4vw, 50px);
  line-height: 1.1;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--white);
  margin: 14px 0 0;
}

.page-about .about-hero__lede {
  margin: 18px 0 0;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: var(--silver);
  max-width: 40em;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-about .about-hero__media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--ink-2);
  box-shadow: var(--shadow-1);
}

.page-about .about-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 720 / 520;
  object-fit: cover;
}

.page-about .about-hero__facts {
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 18px 18px 20px;
  background:
    radial-gradient(circle at 12% 0%, var(--about-glow-cyan), transparent 62%),
    radial-gradient(circle at 92% 100%, var(--about-glow-purple), transparent 60%),
    var(--surface);
  box-shadow: var(--shadow-1);
}

.page-about .about-hero__facts-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--mint);
  text-transform: uppercase;
}

.page-about .about-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 14px;
  margin: 14px 0 0;
}

.page-about .about-facts__item {
  border-left: 1px solid var(--line-soft);
  padding-left: 12px;
}

.page-about .about-facts__item dt {
  font-size: 12px;
  line-height: 1.5;
  color: var(--silver);
}

.page-about .about-facts__item dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(22px, 4.4vw, 30px);
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--white);
  line-height: 1.1;
}

/* ---------- 品牌历程 ---------- */
.page-about .about-story__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-about .about-story h2,
.page-about .about-map h2,
.page-about .about-team h2,
.page-about .about-season h2,
.page-about .about-partners h2 {
  font-family: var(--font-head);
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.28;
  letter-spacing: -.015em;
  font-weight: 700;
  color: var(--white);
  margin: 12px 0 0;
}

.page-about .about-story__intro,
.page-about .about-map__intro,
.page-about .about-team__intro,
.page-about .about-season__intro {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--silver);
}

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

.page-about .about-tl::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 8px;
  bottom: 16px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), var(--purple) 62%, transparent);
  opacity: .5;
}

.page-about .about-tl__item {
  position: relative;
  padding-left: 38px;
  margin-bottom: 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-s);
  transition: border-color .18s ease, background-color .18s ease;
}

.page-about .about-tl__item::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 16px;
  width: 17px;
  height: 17px;
  border-radius: 3px;
  border: 1px solid var(--line-strong);
  background: var(--ink-2);
  box-shadow: 0 0 0 4px var(--ink);
  transition: background-color .18s ease, border-color .18s ease;
  z-index: 1;
}

.page-about .about-tl__item:hover {
  border-color: var(--line);
  background: rgba(34, 211, 238, .04);
}

.page-about .about-tl__item:hover::before {
  background: var(--mint);
  border-color: var(--mint);
}

.page-about .about-tl__year {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--ink);
  background: var(--cyan);
  border-radius: 3px;
  padding: 3px 8px;
  margin-bottom: 10px;
}

.page-about .about-tl__body {
  padding: 0 14px 16px 0;
}

.page-about .about-tl__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--white);
}

.page-about .about-tl__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--silver);
}

/* 右侧状态栏 */
.page-about .about-story__rail-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--mint);
  text-transform: uppercase;
}

.page-about .about-rail {
  display: grid;
  gap: 14px;
}

.page-about .about-rail__card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--about-card);
  padding: 16px 18px 18px;
  box-shadow: var(--shadow-1);
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.page-about .about-rail__card::after {
  content: "";
  position: absolute;
  left: 18px;
  top: 0;
  width: 46px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--purple));
}

.page-about .about-rail__card--purple::after {
  background: linear-gradient(90deg, var(--purple), var(--mint));
}

.page-about .about-rail__card--orange::after {
  background: linear-gradient(90deg, var(--orange), var(--purple));
}

.page-about .about-rail__card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-2);
}

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

.page-about .about-rail__value {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-size: 24px;
  font-weight: 800;
  line-height: 1.15;
  color: var(--white);
}

.page-about .about-rail__value.num {
  font-family: var(--font-mono);
  letter-spacing: .04em;
}

.page-about .about-rail__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--silver);
}

/* ---------- 服务版图 ---------- */
.page-about .about-map__stage {
  position: relative;
  margin-top: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
  background:
    radial-gradient(circle at 46% 52%, var(--about-glow-cyan), transparent 64%),
    var(--ink-2);
  box-shadow: var(--shadow-1);
}

.page-about .about-map__stage img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 800 / 520;
  object-fit: cover;
  opacity: .62;
}

.page-about .about-map__dots {
  position: absolute;
  inset: 0;
}

.page-about .about-map__dot {
  position: absolute;
  transform: translate(-50%, -50%);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow:
    0 0 0 5px rgba(103, 232, 249, .16),
    0 0 16px rgba(34, 211, 238, .8);
  outline: none;
  transition: background-color .16s ease, box-shadow .16s ease;
}

.page-about .about-map__dot:hover,
.page-about .about-map__dot:focus-visible {
  background: var(--white);
  box-shadow:
    0 0 0 6px rgba(248, 250, 252, .22),
    0 0 20px rgba(168, 85, 247, .9);
}

.page-about .about-map__label {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 9px);
  transform: translateX(-50%) translateY(4px);
  white-space: nowrap;
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
  background: var(--white);
  border-radius: 3px;
  padding: 2px 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .16s ease, transform .16s ease;
}

.page-about .about-map__dot:hover .about-map__label,
.page-about .about-map__dot:focus-visible .about-map__label {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.page-about .about-map__services {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 24px 0 0;
  padding: 0;
}

.page-about .about-map__service {
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--cyan);
  border-radius: var(--radius-s);
  background: rgba(20, 26, 46, .55);
  padding: 16px 18px;
  transition: border-left-color .18s ease, background-color .18s ease;
}

.page-about .about-map__service:hover {
  border-left-color: var(--purple);
  background: rgba(30, 27, 75, .62);
}

.page-about .about-map__service-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-about .about-map__service h3 {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}

.page-about .about-map__service p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--silver);
}

/* ---------- 团队 ---------- */
.page-about .about-team__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.page-about .about-team__media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--ink-2);
  box-shadow: var(--shadow-1);
}

.page-about .about-team__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 640 / 480;
  object-fit: cover;
}

.page-about .about-team__roles {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-team__role {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-s);
  padding: 14px 16px;
  background: rgba(30, 27, 75, .34);
  transition: border-color .18s ease, background-color .18s ease;
}

.page-about .about-team__role:hover {
  border-color: var(--line-strong);
  background: rgba(30, 27, 75, .58);
}

.page-about .about-team__role-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--ink);
  background: var(--mint);
  border-radius: 3px;
  padding: 2px 6px;
  line-height: 1.5;
}

.page-about .about-team__role h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
}

.page-about .about-team__role p {
  margin: 7px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--silver);
}

/* ---------- 赛季 ---------- */
.page-about .about-season__cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 26px;
}

.page-about .about-season__card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 18px;
  background:
    linear-gradient(165deg, rgba(34, 211, 238, .09), rgba(168, 85, 247, .09)),
    var(--about-card);
  box-shadow: var(--shadow-1);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.page-about .about-season__card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-2);
}

.page-about .about-season__cadence {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--mint);
}

.page-about .about-season__card h3 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}

.page-about .about-season__card p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--silver);
}

/* ---------- 合作生态 ---------- */
.page-about .about-partners__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.page-about .about-partners__body > p:not(.kicker) {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--silver);
}

.page-about .about-partners__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

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

.page-about .about-partners__item {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-s);
  padding: 16px 18px;
  background: rgba(20, 26, 46, .58);
  transition: border-color .18s ease;
}

.page-about .about-partners__item:hover {
  border-color: var(--line-strong);
}

.page-about .about-partners__item h3 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
}

.page-about .about-partners__item p {
  margin: 7px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--silver);
}

/* ---------- 数据条 ---------- */
.page-about .about-figures__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 3.4vw, 30px);
  font-weight: 700;
  letter-spacing: -.015em;
  color: var(--white);
}

.page-about .about-figures__intro {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--silver);
}

.page-about .about-figures__bar {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 24px 0 0;
  background: var(--line-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-about .about-figures__cell {
  background: var(--ink-2);
  padding: 18px 16px 20px;
  transition: background-color .18s ease;
}

.page-about .about-figures__cell:hover {
  background: rgba(34, 211, 238, .08);
}

.page-about .about-figures__cell dt {
  font-size: 12px;
  line-height: 1.6;
  color: var(--silver);
}

.page-about .about-figures__cell dd {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(28px, 5.6vw, 40px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--mint);
}

.page-about .about-figures__hint {
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--silver);
}

/* ---------- 收尾 ---------- */
.page-about .about-next {
  padding-top: 8px;
  padding-bottom: 48px;
}

.page-about .about-next__inner {
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: 26px 22px 28px;
  background:
    radial-gradient(circle at 8% 10%, var(--about-glow-cyan), transparent 58%),
    radial-gradient(circle at 96% 96%, rgba(251, 146, 60, .14), transparent 56%),
    var(--surface-2);
  box-shadow: var(--shadow-1);
}

.page-about .about-next__inner h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(20px, 3.2vw, 28px);
  font-weight: 800;
  letter-spacing: -.015em;
  line-height: 1.3;
  color: var(--white);
}

.page-about .about-next__inner p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--silver);
}

.page-about .about-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

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

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

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

  .page-about .about-map__dot {
    width: 12px;
    height: 12px;
  }
}

@media (min-width: 860px) {
  .page-about .about-hero {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gap);
    row-gap: 26px;
    padding-top: 34px;
    padding-bottom: 56px;
  }

  .page-about .about-hero__main {
    grid-column: 1 / span 7;
  }

  .page-about .about-hero__media {
    grid-column: 8 / span 5;
  }

  .page-about .about-hero__facts {
    grid-column: 1 / span 12;
    padding: 20px 24px 24px;
  }

  .page-about .about-story__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 40px;
  }

  .page-about .about-story__rail {
    position: sticky;
    top: 24px;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 36px;
    align-items: center;
  }

  .page-about .about-partners__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 36px;
  }

  .page-about .about-figures__bar {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-next__inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 20px 32px;
    padding: 32px 34px;
  }

  .page-about .about-next__inner h2 {
    grid-column: 1;
  }

  .page-about .about-next__inner p {
    grid-column: 1;
    margin-top: 8px;
  }

  .page-about .about-next__actions {
    grid-column: 2;
    grid-row: 1 / span 2;
    margin-top: 0;
  }
}

@media (min-width: 1080px) {
  .page-about .about-hero__main {
    grid-column: 1 / span 7;
  }

  .page-about .about-hero__lede {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-rail__card,
  .page-about .about-season__card,
  .page-about .about-map__label,
  .page-about .about-tl__item,
  .page-about .about-tl__item::before,
  .page-about .about-map__dot {
    transition: none;
  }

  .page-about .about-rail__card:hover,
  .page-about .about-season__card:hover {
    transform: none;
  }
}