.page-about {
  --about-ruler-w: 178px;
  --about-flow-gap: 64px;
  padding-top: 0;
  padding-bottom: 104px;
  background:
    radial-gradient(760px 460px at 88% -6%, rgba(70, 224, 208, .075), transparent 68%),
    radial-gradient(620px 420px at -4% 9%, rgba(43, 91, 74, .30), transparent 72%);
  background-repeat: no-repeat;
}

/* ---------- 档案头部 ---------- */
.page-about .about-hero {
  position: relative;
  padding: 18px 0 40px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero__grid {
  display: grid;
  gap: 32px;
  margin-top: 24px;
}

.page-about .about-hero h1 {
  margin: 16px 0 0;
  font-size: clamp(30px, 6.6vw, 62px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.03em;
  color: var(--paper);
  max-width: 17ch;
}

.page-about .about-hero .lead {
  margin: 20px 0 0;
  max-width: 62ch;
}

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

.page-about .about-stat {
  background: var(--panel);
  padding: 16px 14px 18px;
}

.page-about .about-stat__label {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text-faint);
  margin-bottom: 8px;
}

.page-about .about-stat__val {
  margin: 0;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(18px, 3.6vw, 26px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--paper);
}

.page-about .about-stat:nth-child(1) .about-stat__val {
  color: var(--volt);
}

.page-about .about-stat:nth-child(3) .about-stat__val {
  color: var(--cyan);
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
    gap: 56px;
    align-items: end;
  }
  .page-about .about-hero__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 主体骨架：刻度尺 + 编号章节 ---------- */
.page-about .about-shell {
  display: grid;
  gap: 34px;
  padding-top: 46px;
}

@media (min-width: 1040px) {
  .page-about .about-shell {
    grid-template-columns: var(--about-ruler-w) minmax(0, 1fr);
    gap: 60px;
  }
}

/* ---------- 赛季刻度尺 ---------- */
.page-about .about-ruler {
  position: static;
}

.page-about .about-ruler__cap {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.page-about .about-ruler__list {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-about .about-ruler__list > li {
  flex: 0 0 auto;
}

.page-about .about-ruler__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-dim);
  text-decoration: none;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: .04em;
  white-space: nowrap;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-about .about-ruler__link:hover,
.page-about .about-ruler__link:focus-visible {
  color: var(--volt);
  border-color: rgba(214, 255, 63, .5);
  background: rgba(214, 255, 63, .07);
}

.page-about .about-ruler__year {
  font-weight: 700;
  color: inherit;
}

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

@media (min-width: 1040px) {
  .page-about .about-ruler {
    position: sticky;
    top: 92px;
    align-self: start;
  }
  .page-about .about-ruler__list {
    display: block;
    overflow: visible;
    padding: 0;
    border-left: 1px solid var(--line);
  }
  .page-about .about-ruler__link {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 3px;
    border: 0;
    border-radius: 0;
    padding: 11px 8px 11px 18px;
    white-space: normal;
  }
  .page-about .about-ruler__link::before {
    content: "";
    position: absolute;
    left: -1px;
    top: 50%;
    width: 10px;
    height: 1px;
    transform: translateY(-50%);
    background: var(--grid-gray);
    opacity: .55;
    transition: width .22s var(--ease), background .22s var(--ease), opacity .22s var(--ease);
  }
  .page-about .about-ruler__link:hover::before,
  .page-about .about-ruler__link:focus-visible::before {
    width: 24px;
    background: var(--volt);
    opacity: 1;
  }
  .page-about .about-ruler__note {
    display: block;
    font-family: var(--font-body);
    font-size: 12px;
    letter-spacing: .02em;
    color: var(--text-faint);
    transition: color .2s var(--ease);
  }
  .page-about .about-ruler__link:hover .about-ruler__note,
  .page-about .about-ruler__link:focus-visible .about-ruler__note {
    color: var(--text-dim);
  }
}

/* ---------- 章节推进 ---------- */
.page-about .about-flow {
  display: flex;
  flex-direction: column;
  gap: var(--about-flow-gap);
}

@media (min-width: 768px) {
  .page-about .about-flow {
    --about-flow-gap: 92px;
  }
}

.page-about .about-sec {
  position: relative;
  scroll-margin-top: 92px;
}

.page-about .sec-head {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 28px;
}

.page-about .sec-num {
  display: block;
  flex: 0 0 auto;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(50px, 10.5vw, 104px);
  font-weight: 800;
  line-height: .82;
  letter-spacing: -.05em;
  color: rgba(70, 224, 208, .12);
  -webkit-text-stroke: 1px rgba(70, 224, 208, .55);
}

.page-about .sec-head__body {
  padding-top: 4px;
}

.page-about .sec-head__kicker {
  margin: 0 0 8px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about .sec-head__title {
  margin: 0;
  font-size: clamp(23px, 4.2vw, 38px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -.02em;
  color: var(--paper);
  max-width: 22ch;
}

@media (min-width: 768px) {
  .page-about .sec-head {
    gap: 30px;
    align-items: baseline;
    margin-bottom: 34px;
  }
}

/* ---------- 通用文案块 ---------- */
.page-about .about-copy {
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-dim);
  max-width: 48ch;
}

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

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

.page-about .about-intro {
  margin: 0 0 26px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-dim);
  max-width: 56ch;
}

/* ---------- 图文分栏 ---------- */
.page-about .about-split {
  display: grid;
  gap: 28px;
  align-items: start;
}

@media (min-width: 900px) {
  .page-about .about-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 44px;
    align-items: center;
  }
  .page-about .about-split--reverse {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  }
  .page-about .about-split--reverse .about-split__media {
    order: -1;
  }
}

.page-about .about-split__media {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-about .about-split__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-about .about-split__media--tall img {
  aspect-ratio: 10 / 7;
}

.page-about .media__cap {
  display: block;
  padding: 12px 14px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-faint);
  border-top: 1px solid var(--line-soft);
}

/* ---------- 要点清单 ---------- */
.page-about .about-points {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border-radius: var(--radius-s);
  overflow: hidden;
}

.page-about .about-points li {
  position: relative;
  padding: 13px 14px 13px 28px;
  background: var(--ink);
  font-size: 15px;
  line-height: 1.62;
  color: var(--text-dim);
}

.page-about .about-points li::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 22px;
  width: 8px;
  height: 1px;
  background: var(--volt);
}

.page-about .about-points li strong {
  color: var(--paper);
  font-weight: 700;
  margin-right: 6px;
}

.page-about .about-points--flow li::before {
  background: var(--cyan);
}

/* ---------- 赛季时间线 ---------- */
.page-about .timeline {
  position: relative;
  list-style: none;
  margin: 0 0 34px;
  padding: 0;
}

.page-about .timeline__item {
  position: relative;
  padding: 0 0 30px 34px;
  scroll-margin-top: 100px;
}

.page-about .timeline__item::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 20px;
  bottom: -2px;
  width: 1px;
  background: var(--line);
}

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

.page-about .timeline__item:last-child::before {
  display: none;
}

.page-about .timeline__node {
  position: absolute;
  left: 0;
  top: 8px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--cyan);
  transition: transform .24s var(--ease), box-shadow .24s var(--ease), border-color .24s var(--ease);
}

.page-about .timeline__item:hover .timeline__node {
  transform: scale(1.25);
  border-color: var(--volt);
  box-shadow: 0 0 0 6px rgba(70, 224, 208, .12);
}

.page-about .timeline__year {
  display: block;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-about .timeline__title {
  margin: 9px 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.42;
  color: var(--paper);
  max-width: 30ch;
}

.page-about .timeline__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text-dim);
  max-width: 56ch;
}

.page-about .about-wide-media {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-about .about-wide-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.page-about .about-wide-media .media__cap {
  border-top: 1px solid var(--line-soft);
}

/* ---------- 团队分工表 ---------- */
.page-about .team-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .team-table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-about .team-table caption {
  text-align: left;
  padding: 12px 0;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.page-about .team-table th,
.page-about .team-table td {
  text-align: left;
  padding: 15px 12px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: baseline;
}

.page-about .team-table thead th {
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-faint);
  border-bottom: 1px solid var(--line);
}

.page-about .team-table tbody th {
  font-weight: 700;
  color: var(--paper);
  white-space: nowrap;
}

.page-about .team-table tbody td:nth-child(2) {
  width: 82px;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 20px;
  font-weight: 700;
  color: var(--cyan);
}

.page-about .team-table tbody td:nth-child(3) {
  color: var(--text-dim);
  line-height: 1.62;
}

.page-about .team-table tbody tr {
  transition: background .2s var(--ease);
}

.page-about .team-table tbody tr:hover th,
.page-about .team-table tbody tr:hover td {
  background: rgba(70, 224, 208, .055);
}

.page-about .team-table tfoot th,
.page-about .team-table tfoot td {
  border-bottom: 0;
  border-top: 1px solid var(--line);
  font-weight: 700;
  color: var(--paper);
  background: rgba(43, 91, 74, .28);
}

.page-about .team-table tfoot td:nth-child(2) {
  color: var(--volt);
}

/* ---------- 荣誉与生态卡片 ---------- */
.page-about .about-cards {
  display: grid;
  gap: 20px;
}

@media (min-width: 760px) {
  .page-about .about-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (min-width: 1120px) {
  .page-about .about-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .about-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(21, 32, 29, .96) 0%, rgba(10, 13, 12, .96) 100%);
}

.page-about .about-card:nth-child(2) {
  border-color: rgba(70, 224, 208, .28);
}

.page-about .about-card .card__index {
  margin: 0;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--grid-gray);
}

.page-about .about-card .card__title {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.36;
  color: var(--paper);
}

.page-about .about-card .card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-dim);
}

/* ---------- 收尾行动区 ---------- */
.page-about .about-cta {
  margin-top: 16px;
}

.page-about .about-cta__inner {
  position: relative;
  overflow: hidden;
  padding: 34px 22px 36px;
  border-radius: var(--radius-l);
  border: 1px solid var(--line);
  background: linear-gradient(140deg, rgba(43, 91, 74, .55) 0%, rgba(21, 32, 29, .96) 58%, rgba(10, 13, 12, .98) 100%);
}

.page-about .about-cta__inner::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 132px;
  height: 4px;
  background: linear-gradient(90deg, var(--volt), var(--cyan), var(--flag));
}

.page-about .about-cta__inner::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -130px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(214, 255, 63, .17), transparent 68%);
  pointer-events: none;
}

.page-about .about-cta__eyebrow {
  margin: 14px 0 0;
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about .about-cta__title {
  margin: 12px 0 0;
  font-size: clamp(23px, 4.4vw, 38px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -.025em;
  color: var(--paper);
  max-width: 20ch;
}

.page-about .about-cta__text {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.76;
  color: var(--text-dim);
  max-width: 56ch;
}

.page-about .about-cta__actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

@media (min-width: 768px) {
  .page-about .about-cta__inner {
    padding: 46px 44px 48px;
  }
}

/* ---------- 滚动进入 ---------- */
.page-about [data-reveal] {
  opacity: 1;
  transform: none;
}

.js-ready .page-about [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
}

.js-ready .page-about [data-reveal].is-in {
  opacity: 1;
  transform: none;
  transition: opacity .55s var(--ease), transform .55s var(--ease);
}

@media (prefers-reduced-motion: reduce) {
  .page-about [data-reveal],
  .js-ready .page-about [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .page-about .timeline__node,
  .page-about .about-ruler__link,
  .page-about .team-table tbody tr {
    transition: none;
  }
}
</main>