.page-about {
  --tl-rail: 68px;
  --tl-line: rgba(154, 167, 184, .22);
  --paper-soft: #5A6577;
}

.page-about .about-crumb {
  padding-top: 26px;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding: 26px 0 8px;
}

.page-about .about-hero__inner {
  display: grid;
  gap: 16px;
}

.page-about .about-hero .kicker {
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: none;
}

.page-about .about-hero__title {
  margin: 2px 0 0;
  font-weight: 200;
  font-size: clamp(2.35rem, 11vw, 5.6rem);
  line-height: 1.04;
  letter-spacing: -.015em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-about .about-hero__line {
  display: block;
}

.page-about .about-hero__line--accent {
  color: var(--cyan);
}

.page-about .about-hero__lede {
  margin: 0;
  max-width: 50ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--paper-dim);
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-about .about-stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: var(--ink-800);
}

.page-about .about-stats__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 24px;
  line-height: 1.1;
  color: var(--cyan);
}

.page-about .about-stats__key {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

/* ---------- 章节索引 ---------- */
.page-about .about-index {
  margin: 30px 0 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .about-index__list {
  display: flex;
  margin: 0;
  padding: 0;
  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 a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 13px 18px;
  border-right: 1px solid var(--line);
  font-size: 13px;
  white-space: nowrap;
  color: var(--mist);
  text-decoration: none;
  transition: color .2s var(--ease);
}

.page-about .about-index a:hover,
.page-about .about-index a:focus-visible {
  color: var(--cyan);
}

.page-about .about-index__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--moss);
}

/* ---------- 章节通用 ---------- */
.page-about .section {
  padding: 46px 0 4px;
}

.page-about .section--tight {
  padding-top: 40px;
}

.page-about .section-head {
  max-width: 62ch;
}

.page-about .section-title {
  color: var(--paper);
  font-weight: 700;
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -.01em;
  margin: 8px 0 10px;
}

.page-about .section-sub {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
}

.page-about .kicker {
  color: var(--moss);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  margin: 0;
}

/* ---------- 图片容器 ---------- */
.page-about .media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-800);
}

.page-about .media--film {
  aspect-ratio: 16 / 9;
}

.page-about .media--stage {
  aspect-ratio: 3 / 2;
}

.page-about .media__inner {
  width: 100%;
  height: 100%;
}

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

.page-about .media__cap {
  padding: 10px 14px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
  border-top: 1px solid var(--line);
}

/* ---------- 时间轴 ---------- */
.page-about .tl {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-about .tl__item {
  position: relative;
  display: grid;
  grid-template-columns: var(--tl-rail) minmax(0, 1fr);
  padding-bottom: 26px;
}

.page-about .tl__item::before {
  content: "";
  position: absolute;
  left: calc(var(--tl-rail) - 1px);
  top: 12px;
  bottom: 0;
  width: 1px;
  background: var(--tl-line);
}

.page-about .tl__item:last-child::before {
  bottom: auto;
  height: 22px;
}

.page-about .tl__marker {
  padding-right: 16px;
  text-align: right;
}

.page-about .tl__year {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--moss);
}

.page-about .tl__tick {
  display: block;
  width: 16px;
  height: 1px;
  margin: 9px 0 0 auto;
  background: var(--moss);
  opacity: .55;
}

.page-about .tl__dot {
  position: absolute;
  left: calc(var(--tl-rail) - 5px);
  top: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 1px solid var(--clay);
  box-shadow: 0 0 0 3px rgba(199, 161, 122, .12);
}

.page-about .tl__panel {
  padding: 18px 16px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink-900);
}

.page-about .tl__item--dark .tl__panel {
  background: var(--ink-800);
  color: var(--paper);
}

.page-about .tl__item--dark .tl__title {
  color: var(--paper);
}

.page-about .tl__title {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.45;
}

.page-about .tl__panel p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
}

.page-about .tl__item--paper .tl__panel p {
  color: #2A3547;
}

.page-about .tl__item--dark .tl__panel p {
  color: var(--paper-dim);
}

.page-about .about-timeline__media {
  margin-top: 16px;
  border-color: rgba(10, 18, 32, .14);
}

.page-about .about-timeline__media .media__cap {
  color: var(--paper-soft);
  border-top-color: rgba(10, 18, 32, .12);
}

/* ---------- 团队 ---------- */
.page-about .team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 24px;
}

.page-about .team-card {
  padding: 22px 16px;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  transition: transform .28s var(--ease), border-color .28s var(--ease), background .28s var(--ease);
}

.page-about .team-card:hover,
.page-about .team-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--line-accent);
  background: var(--ink-700);
}

.page-about .team-card__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 40px;
  line-height: 1;
  color: var(--cyan);
  transition: color .28s var(--ease);
}

.page-about .team-card:hover .team-card__num {
  color: var(--orange);
}

.page-about .team-card__role {
  margin: 12px 0 8px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-about .team-card__duty {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
  opacity: .82;
  transition: opacity .28s var(--ease);
}

.page-about .team-card:hover .team-card__duty {
  opacity: 1;
}

.page-about .about-team__split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 24px;
}

.page-about .about-team__note {
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--clay);
  border-radius: var(--radius-sm);
  background: var(--ink-800);
}

.page-about .about-team__note-title {
  margin: 0 0 14px;
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: .1em;
  color: var(--clay);
}

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

.page-about .route-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-dim);
}

.page-about .about-team__link {
  margin-top: 18px;
}

/* ---------- 校订流程 ---------- */
.page-about .check-flow {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-about .check-flow__item {
  position: relative;
  padding: 20px 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  overflow: hidden;
}

.page-about .check-flow__item::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(0, 229, 201, 0));
}

.page-about .check-flow__time {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 30px;
  line-height: 1;
  color: var(--cyan);
}

.page-about .check-flow__name {
  margin: 12px 0 6px;
  font-size: .95rem;
  font-weight: 700;
  color: var(--paper);
}

.page-about .check-flow__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .check-panel {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(16, 27, 46, .95), rgba(10, 18, 32, .95));
  overflow: hidden;
}

.page-about .check-panel__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 16px 18px;
}

.page-about .check-panel__row + .check-panel__row {
  border-top: 1px solid var(--line);
}

.page-about .check-panel__row p {
  margin: 0;
  flex: 1 1 240px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-dim);
}

/* ---------- 河北主场 ---------- */
.page-about .about-region__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-about .about-region__lede {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper-dim);
}

.page-about .about-region__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-about .about-region__list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 16px;
  background: var(--ink-800);
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-dim);
}

.page-about .about-region__list .data-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 20px;
  color: var(--turf);
}

.page-about .about-region__cta {
  margin-top: 20px;
}

.page-about .about-region__media {
  align-self: start;
}

/* ---------- 合作生态 ---------- */
.page-about .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 24px;
}

.page-about .partner-card {
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-top: 1px solid var(--moss);
  border-radius: var(--radius-sm);
  background: var(--ink-800);
}

.page-about .partner-card__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 32px;
  line-height: 1;
  color: var(--paper);
}

.page-about .partner-card__title {
  margin: 10px 0 8px;
  font-size: .95rem;
  font-weight: 700;
  color: var(--paper);
}

.page-about .partner-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .honor-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .honor-list__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(27, 40, 60, .5);
}

.page-about .honor-list__note {
  font-size: 13px;
  color: var(--mist);
}

/* ---------- 赛季计划 ---------- */
.page-about .plan-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 24px;
}

.page-about .plan-card {
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  transition: border-color .25s var(--ease);
}

.page-about .plan-card:hover {
  border-color: var(--line-accent);
}

.page-about .plan-card__title {
  margin: 0 0 10px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-about .plan-card p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-about .plan-link {
  display: inline-block;
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 201, .35);
  padding-bottom: 2px;
}

.page-about .plan-link:hover,
.page-about .plan-link:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 结尾 ---------- */
.page-about .about-cta {
  padding: 52px 0 64px;
}

.page-about .about-cta__inner {
  display: grid;
  gap: 22px;
  padding: 28px 22px;
  border: 1px solid var(--line-accent);
  border-radius: var(--radius);
  background: linear-gradient(140deg, rgba(0, 229, 201, .09), rgba(255, 106, 43, .06) 55%, rgba(10, 18, 32, 0));
}

.page-about .about-cta__title {
  margin: 0 0 10px;
  font-size: clamp(1.35rem, 4.4vw, 2rem);
  font-weight: 200;
  line-height: 1.25;
  color: var(--paper);
}

.page-about .about-cta__copy p {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-dim);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-about .team-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-about {
    --tl-rail: 132px;
  }

  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr);
    grid-template-areas:
      "kick stats"
      "title stats"
      "lede stats";
    column-gap: 48px;
    align-items: start;
    row-gap: 14px;
  }

  .page-about .about-hero .kicker {
    grid-area: kick;
  }

  .page-about .about-hero__title {
    grid-area: title;
  }

  .page-about .about-hero__lede {
    grid-area: lede;
  }

  .page-about .about-stats {
    grid-area: stats;
    align-self: end;
  }

  .page-about .section {
    padding-top: 62px;
  }

  .page-about .tl__panel {
    padding: 24px 26px 26px;
  }

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

  .page-about .about-team__split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 24px;
  }

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

  .page-about .about-region__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
    gap: 40px;
    align-items: center;
  }

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