.page-about {
  --about-ink: #0B1B2B;
  --about-ink-soft: #3D4C5C;
  --about-ink-gold: #7A5714;
  --about-ink-line: rgba(11, 27, 43, 0.14);
  --about-card-shadow: 0 16px 32px -22px rgba(11, 27, 43, 0.5), 0 3px 0 rgba(224, 169, 59, 0.32);
  --about-stripe: repeating-linear-gradient(
    90deg,
    var(--ys-gold) 0 5px,
    transparent 5px 12px,
    var(--ys-red) 12px 16px,
    transparent 16px 26px
  );

  background: var(--ys-night);
  color: var(--ys-text);
  overflow-x: hidden;
}

.page-about .ys-band--paper {
  background: var(--ys-paper);
  color: var(--about-ink);
}

.page-about .ys-band--indigo {
  background: linear-gradient(180deg, var(--ys-indigo) 0%, var(--ys-indigo-deep) 100%);
  color: var(--ys-paper);
}

.page-about .about-heading-ink {
  color: var(--about-ink);
}

.page-about .about-heading-paper {
  color: var(--ys-paper);
}

.page-about .about-eyebrow-ink {
  color: var(--about-ink-gold);
}

.page-about .about-inline-link {
  color: #1B6F4A;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-about .about-inline-link:hover {
  color: #0E2135;
}

.page-about .ys-band--indigo .about-inline-link,
.page-about .about-promise .about-inline-link {
  color: var(--ys-cyan);
}

/* ---------------- 壮锦装饰条 ---------------- */
.page-about .about-stripe {
  height: 6px;
  width: 100%;
  background: var(--about-stripe);
  opacity: 0.85;
}

/* ---------------- 首屏 ---------------- */
.page-about .about-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--ys-header-h) + 44px) 0 clamp(52px, 8vw, 96px);
  background: var(--ys-night);
}

.page-about .about-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-about .about-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.72) brightness(0.46) contrast(1.06);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(155deg, rgba(11, 27, 43, 0.94) 6%, rgba(22, 50, 79, 0.7) 48%, rgba(30, 158, 90, 0.4) 100%),
    linear-gradient(0deg, rgba(11, 27, 43, 0.96) 0%, rgba(11, 27, 43, 0) 62%);
}

.page-about .about-hero__inner {
  position: relative;
}

.page-about .about-hero .ys-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ys-fog);
}

.page-about .about-hero .ys-breadcrumb__link {
  color: var(--ys-fog);
  text-decoration: none;
  transition: color var(--ys-ease);
}

.page-about .about-hero .ys-breadcrumb__link:hover {
  color: var(--ys-cyan);
}

.page-about .about-hero .ys-breadcrumb__sep {
  color: rgba(224, 169, 59, 0.6);
}

.page-about .about-hero .ys-breadcrumb__current {
  color: var(--ys-gold);
}

.page-about .about-hero__eyebrow {
  margin: 30px 0 14px;
  color: var(--ys-gold);
}

.page-about .about-hero__title {
  max-width: 20ch;
  margin: 0 0 24px;
  color: var(--ys-paper);
  letter-spacing: -0.02em;
}

.page-about .about-hero__lede {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--ys-text-dim);
}

.page-about .about-hero__facts {
  margin-top: clamp(34px, 5vw, 52px);
  padding-top: 26px;
  border-top: 1px solid var(--ys-line-soft);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px 12px;
}

.page-about .about-hero__fact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.page-about .about-hero__fact-num {
  font-family: var(--ys-font-mono);
  font-size: clamp(30px, 6vw, 54px);
  font-weight: 700;
  line-height: 1;
  color: var(--ys-pitch-bright);
  font-variant-numeric: tabular-nums;
}

.page-about .about-hero__fact-label {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ys-fog);
}

/* ---------------- 为什么做赛季档案 ---------------- */
.page-about .about-why {
  padding: clamp(56px, 9vw, 108px) 0;
}

.page-about .about-why__grid {
  display: grid;
  gap: 34px;
}

.page-about .about-why__main .ys-section-title {
  margin: 12px 0 22px;
}

.page-about .about-why__p {
  margin: 0 0 18px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--about-ink-soft);
}

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

.page-about .about-why__card {
  position: relative;
  padding: 28px 26px 30px;
  background: #FFFFFF;
  border: 1px solid var(--about-ink-line);
  box-shadow: 6px 6px 0 -1px rgba(224, 169, 59, 0.42), 0 18px 32px -26px rgba(11, 27, 43, 0.55);
  transform: rotate(-0.45deg);
}

.page-about .about-why__card p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--about-ink-soft);
}

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

.page-about .about-why__card .ys-eyebrow {
  margin-bottom: 14px;
  display: block;
}

.page-about .about-why__card .ys-rule {
  border: 0;
  border-top: 1px dashed rgba(11, 27, 43, 0.22);
  margin: 20px 0;
}

/* ---------------- 内容生产流程 ---------------- */
.page-about .about-flow {
  padding: clamp(58px, 9vw, 112px) 0;
  position: relative;
  overflow: hidden;
}

.page-about .about-flow::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--ys-pitch) 0%, var(--ys-cyan) 60%, transparent 100%);
  opacity: 0.75;
}

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

.page-about .about-flow__head .ys-section-title {
  margin: 12px 0 16px;
}

.page-about .about-flow__intro {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ys-text-dim);
}

.page-about .about-flow__steps {
  list-style: none;
  margin: 42px 0 0;
  padding: 0;
  display: grid;
  gap: 24px;
}

.page-about .about-flow__step {
  position: relative;
  padding: 24px 22px 26px;
  background: rgba(11, 27, 43, 0.42);
  border: 1px solid var(--ys-line-soft);
  border-top: 2px solid var(--ys-gold);
}

.page-about .about-flow__num {
  display: block;
  font-family: var(--ys-font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--ys-gold);
  font-variant-numeric: tabular-nums;
  margin-bottom: 14px;
}

.page-about .about-flow__title {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 600;
  color: var(--ys-paper);
}

.page-about .about-flow__step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ys-text-dim);
}

/* ---------------- 三支小团队 ---------------- */
.page-about .about-team {
  padding: clamp(56px, 9vw, 108px) 0;
}

.page-about .about-team__head {
  max-width: 64ch;
}

.page-about .about-team__head .ys-section-title {
  margin: 12px 0 16px;
}

.page-about .about-team__intro {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--about-ink-soft);
}

.page-about .about-team__grid {
  margin-top: 44px;
  display: grid;
  gap: 24px;
}

.page-about .about-team__card {
  position: relative;
  padding: 28px 24px 26px;
  background: #FFFFFF;
  border: 1px solid var(--about-ink-line);
  box-shadow: var(--about-card-shadow);
  transition: transform var(--ys-ease), box-shadow var(--ys-ease), border-color var(--ys-ease);
}

.page-about .about-team__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--ys-pitch) 0%, var(--ys-gold) 100%);
}

.page-about .about-team__top {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.page-about .about-team__num {
  font-family: var(--ys-font-mono);
  font-size: clamp(38px, 8vw, 60px);
  font-weight: 700;
  line-height: 1;
  color: var(--about-ink);
  font-variant-numeric: tabular-nums;
}

.page-about .about-team__label {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--about-ink-gold);
}

.page-about .about-team__title {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 600;
  color: var(--about-ink);
}

.page-about .about-team__brief {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--about-ink-soft);
}

.page-about .about-team__detail {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed rgba(11, 27, 43, 0.2);
  transition: opacity var(--ys-ease);
}

.page-about .about-team__detail p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: #55636F;
}

/* ---------------- 赛季年表 ---------------- */
.page-about .about-timeline {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(58px, 9vw, 112px) 0 clamp(46px, 7vw, 84px);
  background: var(--ys-night);
}

.page-about .about-timeline__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-about .about-timeline__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.5) brightness(0.28) contrast(1.05);
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(160deg, rgba(11, 27, 43, 0.94) 0%, rgba(14, 33, 53, 0.88) 60%, rgba(30, 158, 90, 0.34) 100%);
}

.page-about .about-timeline__head .ys-section-title {
  margin: 12px 0 12px;
}

.page-about .about-timeline__hint {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ys-gold);
}

.page-about .about-timeline__scroller {
  margin-top: 44px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  padding: 0 var(--ys-gutter) 18px;
}

.page-about .about-timeline__scroller:focus-visible {
  outline: 2px solid var(--ys-cyan);
  outline-offset: 2px;
}

.page-about .about-timeline__rail {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  display: flex;
  gap: 0;
  min-width: max-content;
  max-width: 1240px;
}

.page-about .about-timeline__item {
  position: relative;
  flex: 0 0 auto;
  width: min(280px, 74vw);
  padding: 46px 26px 26px 22px;
  scroll-snap-align: start;
  border-left: 1px solid rgba(224, 169, 59, 0.2);
}

.page-about .about-timeline__item:last-child {
  border-right: 1px solid rgba(224, 169, 59, 0.2);
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 30px;
  height: 1px;
  background: linear-gradient(90deg, var(--ys-gold) 0%, rgba(224, 169, 59, 0.22) 100%);
}

.page-about .about-timeline__item::after {
  content: "";
  position: absolute;
  left: 21px;
  top: 24px;
  width: 13px;
  height: 13px;
  background: var(--ys-gold);
  box-shadow: 0 0 0 4px rgba(11, 27, 43, 0.85);
}

.page-about .about-timeline__year {
  position: absolute;
  left: 22px;
  top: 0;
  font-family: var(--ys-font-mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ys-paper);
  font-variant-numeric: tabular-nums;
}

.page-about .about-timeline__title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 600;
  color: var(--ys-gold);
}

.page-about .about-timeline__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ys-text-dim);
}

/* ---------------- 地域与身份 ---------------- */
.page-about .about-place {
  padding: clamp(56px, 9vw, 108px) 0;
}

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

.page-about .about-place__main .ys-section-title {
  margin: 12px 0 22px;
}

.page-about .about-place__p {
  margin: 0 0 18px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--about-ink-soft);
}

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

.page-about .about-place__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 4px;
  padding: 12px 0 12px 16px;
  border-left: 3px solid var(--ys-gold);
  background: rgba(11, 27, 43, 0.035);
  font-size: 15px;
  line-height: 1.7;
  color: var(--about-ink-soft);
}

.page-about .about-place__list .ys-num {
  font-family: var(--ys-font-mono);
  font-size: 19px;
  font-weight: 700;
  color: var(--about-ink);
  font-variant-numeric: tabular-nums;
}

.page-about .about-place__list-txt {
  margin-right: 4px;
}

.page-about .about-place__aside img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--about-ink-line);
  box-shadow: 8px 8px 0 -1px rgba(224, 169, 59, 0.4), 0 16px 32px -24px rgba(11, 27, 43, 0.5);
}

/* ---------------- 承诺 ---------------- */
.page-about .about-promise {
  position: relative;
  padding: clamp(58px, 9vw, 112px) 0;
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(124, 92, 224, 0.28) 0%, rgba(11, 27, 43, 0) 58%),
    radial-gradient(100% 80% at 4% 100%, rgba(30, 158, 90, 0.24) 0%, rgba(11, 27, 43, 0) 62%),
    var(--ys-night);
  color: var(--ys-text);
}

.page-about .about-promise__head .ys-section-title {
  margin: 12px 0 0;
}

.page-about .about-promise__list {
  list-style: none;
  margin: 44px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--ys-line);
}

.page-about .about-promise__item {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 6px 18px;
  padding: 24px 4px;
  border-bottom: 1px solid var(--ys-line-soft);
}

.page-about .about-promise__idx {
  grid-row: span 2;
  font-family: var(--ys-font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--ys-gold);
  font-variant-numeric: tabular-nums;
}

.page-about .about-promise__title {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--ys-paper);
}

.page-about .about-promise__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ys-text-dim);
}

.page-about .about-promise__cta {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-about .about-promise__cta .ys-btn {
  text-decoration: none;
}

/* ---------------- 响应式 ---------------- */
@media (min-width: 700px) {
  .page-about .about-hero__facts {
    gap: 26px 24px;
  }

  .page-about .about-flow__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px 24px;
  }

  .page-about .about-team__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
  }

  .page-about .about-place__grid {
    grid-template-columns: 1.4fr 1fr;
    gap: 40px;
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-about .about-why__grid {
    grid-template-columns: 1.6fr 1fr;
    gap: 56px;
    align-items: start;
  }

  .page-about .about-why__aside {
    position: sticky;
    top: calc(var(--ys-header-h) + 28px);
  }

  .page-about .about-flow__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 28px 26px;
  }

  .page-about .about-flow__step:nth-child(2) {
    margin-top: 30px;
  }

  .page-about .about-flow__step:nth-child(3) {
    margin-top: 58px;
  }

  .page-about .about-flow__step:nth-child(4) {
    margin-top: 86px;
  }

  .page-about .about-team__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }

  .page-about .about-place__grid {
    grid-template-columns: 1.55fr 1fr;
    gap: 56px;
  }

  .page-about .about-promise__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 44px;
  }
}

@media (min-width: 1100px) {
  .page-about .about-timeline__rail {
    min-width: 100%;
  }

  .page-about .about-timeline__item {
    width: auto;
    flex: 1 1 0;
    min-width: 0;
  }
}

/* 悬停层次：卡片轻微上浮，职责说明由暗转亮 */
@media (hover: hover) and (min-width: 980px) {
  .page-about .about-team__card:hover {
    transform: translateY(-4px);
    border-color: rgba(224, 169, 59, 0.7);
    box-shadow: 0 24px 46px -24px rgba(11, 27, 43, 0.75), 0 3px 0 rgba(224, 169, 59, 0.5);
  }

  .page-about .about-team__card .about-team__detail {
    opacity: 0.6;
  }

  .page-about .about-team__card:hover .about-team__detail {
    opacity: 1;
  }
}

/* 键盘焦点反馈 */
.page-about a:focus-visible,
.page-about .about-timeline__scroller:focus-visible {
  outline: none;
  box-shadow: var(--ys-focus);
  border-radius: 2px;
}

/* 减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  .page-about .about-team__card,
  .page-about .about-team__detail {
    transition: none;
  }

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