.page-about {
  --about-line: 1px solid var(--grid-line);
  --rate: 0%;
  display: block;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding: clamp(18px, 3vw, 32px) 0 clamp(26px, 4vw, 46px);
}

.page-about .crumbs {
  margin-bottom: 16px;
}

.page-about .about-hero__frame {
  position: relative;
  border: var(--about-line);
  background: linear-gradient(180deg, rgba(14, 42, 34, .92), rgba(7, 22, 19, .92));
  padding: clamp(20px, 3.4vw, 40px);
}

.page-about .about-hero__frame::before,
.page-about .about-hero__frame::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--cyan);
  pointer-events: none;
}

.page-about .about-hero__frame::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-about .about-hero__frame::after {
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}

.page-about .about-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-cond);
  font-weight: 800;
  font-size: clamp(30px, 6.2vw, 70px);
  line-height: 1.04;
  letter-spacing: -0.012em;
  color: var(--ink);
}

.page-about .about-hero__lead {
  margin: 18px 0 0;
  max-width: 64ch;
  font-size: clamp(16px, 1.35vw, 18px);
  line-height: 1.78;
  color: var(--ink);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .about-stats {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: var(--about-line);
  border-left: var(--about-line);
}

.page-about .about-stats > li {
  border-right: var(--about-line);
  border-bottom: var(--about-line);
  padding: 14px 16px 16px;
}

.page-about .about-stats .stat__num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 2.8vw, 32px);
  color: var(--cyan);
}

.page-about .about-stats .stat__unit {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  margin-left: 4px;
}

.page-about .about-stats .stat__label {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  color: var(--muted);
}

/* ---------- 赛季阶段带 ---------- */
.page-about .about-phases {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(252px, 84%);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  border-top: var(--about-line);
  border-bottom: var(--about-line);
  scrollbar-width: thin;
}

.page-about .about-phase {
  scroll-snap-align: start;
  border-right: var(--about-line);
  padding: 20px 18px 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 218px;
}

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

.page-about .about-phase__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--lava);
}

.page-about .about-phase h3 {
  margin: 0;
  font-family: var(--font-cond);
  font-size: 22px;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-about .about-phase p {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--muted);
}

.page-about .about-scope__link {
  margin-top: 20px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 70ch;
}

.page-about .about-scope__link a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 198, .45);
}

.page-about .about-scope__link a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 教练履历：窄刻度 + 宽表格 ---------- */
.page-about .about-split {
  display: grid;
  gap: 16px;
}

.page-about .about-axis {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-about .about-axis__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  color: var(--muted);
  white-space: nowrap;
  padding-right: 10px;
  border-right: var(--about-line);
}

.page-about .about-axis__tick {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  white-space: nowrap;
  border: var(--about-line);
  padding: 3px 8px;
}

.page-about .table-wrap {
  border: var(--about-line);
  overflow-x: auto;
  background: rgba(7, 22, 19, .55);
}

.page-about .data-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-about .data-table th,
.page-about .data-table td {
  border-bottom: var(--about-line);
  padding: 11px 12px;
  text-align: left;
  vertical-align: middle;
  white-space: nowrap;
}

.page-about .data-table thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .1em;
  color: var(--muted);
  background: rgba(14, 42, 34, .9);
  position: sticky;
  top: 0;
  z-index: 1;
}

.page-about .data-table tbody tr:nth-child(even) {
  background: rgba(14, 42, 34, .42);
}

.page-about .data-table tbody tr:hover {
  background: rgba(31, 74, 63, .62);
}

.page-about .data-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-about .data-table .num {
  font-family: var(--font-mono);
  text-align: right;
}

.page-about .rate {
  position: relative;
  display: inline-flex;
  align-items: flex-end;
  justify-content: flex-end;
  min-width: 84px;
  padding-bottom: 7px;
  font-family: var(--font-mono);
  color: var(--ink);
}

.page-about .rate::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: var(--rate, 50%);
  height: 3px;
  background: linear-gradient(90deg, rgba(56, 242, 198, .32), var(--cyan));
  transition: height .18s var(--ease), background .18s var(--ease);
}

.page-about .data-table tbody tr:hover .rate::after {
  height: 5px;
  background: linear-gradient(90deg, rgba(56, 242, 198, .55), var(--tier-1));
}

.page-about .about-filecard {
  margin-top: 16px;
  display: grid;
  gap: 16px;
  border: var(--about-line);
  background: rgba(14, 42, 34, .6);
  padding: 16px;
}

.page-about .about-filecard img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 180px;
  object-fit: cover;
  filter: saturate(.72) contrast(1.1);
}

.page-about .about-filecard h3 {
  margin: 0 0 8px;
  font-family: var(--font-cond);
  font-size: 20px;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-about .about-filecard p {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--muted);
}

/* ---------- 外援名额 ---------- */
.page-about .fa-grid {
  display: grid;
  gap: 14px;
}

.page-about .fa-card {
  border: var(--about-line);
  background: rgba(14, 42, 34, .55);
  padding: 18px 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-about .fa-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.page-about .fa-card__head h3 {
  margin: 0;
  font-family: var(--font-cond);
  font-size: 21px;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-about .fa-card__list {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-about .fa-card__list > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: var(--soft);
}

.page-about .fa-card__list > div:last-child {
  border-bottom: 0;
}

.page-about .fa-card__list dt {
  font-size: 13px;
  color: var(--muted);
}

.page-about .fa-card__list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--ink);
}

.page-about .fa-card__list dd .num {
  color: var(--cyan);
}

/* ---------- 团队分工 ---------- */
.page-about .ops-grid {
  display: grid;
  gap: 22px;
}

.page-about .ops-item {
  border-top: var(--about-line);
  padding: 16px 0 18px;
}

.page-about .ops-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .ops-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-cond);
  font-size: 19px;
  letter-spacing: .03em;
  color: var(--cyan);
}

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

.page-about .ops-media {
  border: var(--about-line);
}

.page-about .ops-media .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.7) contrast(1.1);
}

.page-about .ops-media .media__cap {
  border-top: var(--about-line);
  padding: 10px 12px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}

.page-about .ops-timeline {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  border-top: var(--about-line);
}

.page-about .ops-timeline li {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: var(--about-line);
}

.page-about .ops-timeline__when {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--lava);
}

.page-about .ops-timeline__what {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

/* ---------- 赛季时间线 ---------- */
.page-about .about-history {
  position: relative;
  overflow: hidden;
  background: var(--stand);
}

.page-about .about-history__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: .16;
  pointer-events: none;
}

.page-about .about-history__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.45) contrast(1.15);
}

.page-about .about-history > .shell {
  position: relative;
  z-index: 1;
}

.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(266px, 80%);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  border-top: var(--about-line);
  border-bottom: var(--about-line);
  scrollbar-width: thin;
}

.page-about .about-tl {
  scroll-snap-align: start;
  border-right: var(--about-line);
  padding: 22px 18px 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: rgba(7, 22, 19, .5);
}

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

.page-about .about-tl__year {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.2vw, 32px);
  letter-spacing: .04em;
  color: var(--cyan);
  line-height: 1;
}

.page-about .about-tl__body h3 {
  margin: 0 0 6px;
  font-family: var(--font-cond);
  font-size: 18px;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-about .about-tl__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--muted);
}

.page-about .about-history__note {
  margin: 22px 0 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.76;
  color: var(--muted);
}

/* ---------- 末尾入口 ---------- */
.page-about .about-next__grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

.page-about .about-next__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  border: var(--about-line);
  text-decoration: none;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-about .about-next__item:hover,
.page-about .about-next__item:focus-visible {
  border-color: var(--cyan);
  background: rgba(31, 74, 63, .5);
}

.page-about .about-next__eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-about .about-next__item strong {
  font-family: var(--font-cond);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-about .about-next__item > span:last-child {
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-filecard {
    grid-template-columns: 216px minmax(0, 1fr);
    align-items: center;
  }

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

  .page-about .ops-timeline li {
    grid-template-columns: 210px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-about .about-phases {
    grid-auto-columns: 1fr;
    overflow: visible;
  }

  .page-about .about-phase {
    min-height: 238px;
    padding: 24px 20px 30px;
  }

  .page-about .about-timeline {
    grid-auto-flow: row;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    grid-auto-columns: auto;
    overflow: visible;
  }

  .page-about .about-tl {
    padding: 22px 14px 26px;
  }
}

@media (min-width: 960px) {
  .page-about .about-split {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 0;
  }

  .page-about .about-axis {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    overflow: visible;
    padding: 0 14px 0 0;
    border-right: var(--about-line);
    align-self: start;
    position: sticky;
    top: 132px;
  }

  .page-about .about-axis__label {
    border-right: 0;
    border-bottom: var(--about-line);
    padding: 0 0 10px;
    margin-bottom: 16px;
  }

  .page-about .about-axis__tick {
    border: 0;
    border-left: 1px solid var(--grid-line);
    padding: 0 0 0 10px;
    margin-bottom: 28px;
    background: none;
  }

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

  .page-about .ops-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 34px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}