.page-about {
  --about-grid-line: rgba(28, 107, 79, .14);
  --about-paper-line: rgba(11, 15, 14, .14);
  position: relative;
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-about .about-crumb {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: clamp(16px, 3vw, 26px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--index);
}

.page-about .about-crumb a {
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

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

.page-about .about-eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about .about-lead {
  max-width: 62ch;
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-about h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 5.4vw, 46px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-about h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2.6vw, 23px);
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-about p {
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-dim);
}

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

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  position: relative;
  padding: clamp(26px, 5vw, 58px) 0 clamp(34px, 6vw, 72px);
  overflow: hidden;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, var(--about-grid-line) 1px, transparent 1px);
  background-size: 96px 100%;
  -webkit-mask-image: linear-gradient(90deg, #000 0%, transparent 78%);
  mask-image: linear-gradient(90deg, #000 0%, transparent 78%);
  pointer-events: none;
  z-index: 0;
}

.page-about .about-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-about .about-hero__rail {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--index);
  scrollbar-width: none;
}

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

.page-about .about-hero__tick {
  position: relative;
  flex: 0 0 auto;
  padding-left: 14px;
}

.page-about .about-hero__tick::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 1px;
  background: var(--green-line);
  transform: translateY(-50%);
}

.page-about .about-hero__tick--live {
  color: var(--cyan);
}

.page-about .about-hero__tick--live::before {
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(47, 224, 200, .16);
}

.page-about .about-hero__tick--now {
  color: var(--amber);
  animation: about-pulse 1.6s ease-in-out infinite;
}

.page-about .about-hero__tick--now::before {
  width: 12px;
  background: var(--amber);
}

@keyframes about-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .82; }
}

.page-about .about-hero__body h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(38px, 9.2vw, 84px);
  line-height: .96;
  letter-spacing: -.03em;
  color: var(--text);
}

.page-about .about-hero__lead {
  max-width: 46ch;
  margin: 22px 0 0;
  font-size: clamp(16px, 2.2vw, 18px);
  line-height: 1.72;
  color: var(--text);
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 14px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line-soft);
}

.page-about .about-hero__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .about-hero__stats .stat__num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 5.6vw, 40px);
  line-height: 1;
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-about .about-hero__stats .stat--amber .stat__num {
  color: var(--amber);
}

.page-about .about-hero__stats .stat__label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--index);
}

.page-about .about-hero__figure {
  margin: 0;
  --mf-ratio: 3 / 4;
}

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

/* ---------- 建站缘起 ---------- */

.page-about .about-origin {
  padding: clamp(38px, 7vw, 76px) 0;
  background: linear-gradient(180deg, rgba(15, 59, 46, .34) 0%, rgba(11, 15, 14, 0) 100%);
  border-top: 1px solid var(--line-faint);
  border-bottom: 1px solid var(--line-faint);
}

.page-about .about-origin__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-about .about-origin__text p + p {
  margin-top: 16px;
}

.page-about .about-origin__text h2 {
  margin-bottom: 20px;
}

.page-about .about-origin__note {
  align-self: start;
  padding: 20px 22px 22px;
  background: var(--panel);
  border: 1px solid var(--line-soft);
}

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

.page-about .about-origin__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-origin__list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-faint);
  font-size: 14px;
  color: var(--text-dim);
}

.page-about .about-origin__list li:last-child {
  border-bottom: 0;
}

.page-about .about-origin__list strong {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--cyan);
}

/* ---------- 时间轴 ---------- */

.page-about .about-timeline {
  padding: clamp(40px, 7vw, 80px) 0;
}

.page-about .about-timeline__head {
  margin-bottom: clamp(28px, 5vw, 48px);
}

.page-about .about-timeline__list {
  position: relative;
  margin: 0;
  padding: 0 0 0 22px;
  list-style: none;
}

.page-about .about-timeline__list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, rgba(47, 224, 200, .7) 0%, rgba(245, 178, 60, .5) 100%);
}

.page-about .about-era {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  padding: 20px 0 26px;
}

.page-about .about-era::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 28px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--carbon);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 0 4px rgba(47, 224, 200, .1);
}

.page-about .about-era__year {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .1em;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, color .2s ease;
}

.page-about .about-era__year:hover,
.page-about .about-era__year:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: currentColor;
}

.page-about .about-era__body h3 {
  margin-bottom: 10px;
}

.page-about .about-era__body p {
  margin: 0;
  max-width: 68ch;
}

.page-about .about-era__fact {
  margin-top: 12px !important;
  padding-left: 14px;
  border-left: 2px solid var(--green-line);
  font-size: 14px;
  color: var(--index);
}

/* ---------- 球队档案卡 ---------- */

.page-about .about-clubs {
  padding: clamp(40px, 7vw, 80px) 0;
  background: var(--carbon);
  border-top: 1px solid var(--line-faint);
}

.page-about .about-clubs__head {
  margin-bottom: clamp(26px, 4vw, 40px);
}

.page-about .about-clubs__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-about .about-club {
  position: relative;
  overflow: hidden;
  padding: 20px 20px 16px;
  background: var(--panel);
  border: 1px solid var(--line-soft);
  transition: border-color .24s ease, transform .24s ease;
}

.page-about .about-club::after {
  content: "";
  position: absolute;
  left: -60%;
  top: 0;
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(47, 224, 200, .16), transparent);
  transform: skewX(-18deg);
  opacity: 0;
  pointer-events: none;
}

.page-about .about-club:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-about .about-club:hover::after {
  opacity: 1;
  animation: about-sweep .4s ease-out forwards;
}

@keyframes about-sweep {
  from { left: -60%; }
  to { left: 120%; }
}

.page-about .about-club__no {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--index);
}

.page-about .about-club__name {
  font-size: 20px;
  margin-bottom: 14px;
}

.page-about .about-club__facts {
  margin: 0 0 14px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-about .about-club__facts div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

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

.page-about .about-club__facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--cyan-soft);
}

.page-about .about-club__spark {
  display: block;
  width: 100%;
  height: 46px;
}

.page-about .about-club__spark polyline {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
}

.page-about .about-clubs__foot {
  margin-top: 26px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 团队 ---------- */

.page-about .about-team {
  padding: clamp(42px, 7vw, 84px) 0;
  background: var(--paper);
  color: var(--carbon);
}

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

.page-about .about-team .about-eyebrow {
  color: #1C6B4F;
}

.page-about .about-team h2 {
  color: var(--carbon);
}

.page-about .about-team h3 {
  color: var(--carbon);
}

.page-about .about-team p {
  color: #3D463F;
}

.page-about .about-team__figure {
  margin: 0;
  --mf-ratio: 16 / 10;
  border: 1px solid var(--about-paper-line);
}

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

.page-about .about-team__body p + p {
  margin-top: 16px;
}

.page-about .about-team__duties {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--about-paper-line);
}

.page-about .about-team__duties li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--about-paper-line);
}

.page-about .about-team__duties strong {
  font-size: 15px;
  font-weight: 700;
  color: var(--carbon);
}

.page-about .about-team__duties span {
  font-size: 14px;
  line-height: 1.68;
  color: #4E574F;
}

/* ---------- 年度档案册 ---------- */

.page-about .about-books {
  padding: clamp(42px, 7vw, 84px) 0;
  border-bottom: 1px solid var(--line-faint);
}

.page-about .about-books__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-about .about-books__intro p + p {
  margin-top: 16px;
}

.page-about .about-books__intro h2 {
  margin-bottom: 20px;
}

.page-about .about-books__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-self: start;
}

.page-about .about-book {
  border: 1px solid var(--line-soft);
  background: var(--panel);
}

.page-about .about-book__trigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  width: 100%;
  padding: 16px 18px 16px 34px;
  background: transparent;
  border: 0;
  text-align: left;
  cursor: pointer;
  font: inherit;
  color: var(--text);
  position: relative;
}

.page-about .about-book__trigger::before {
  content: "+";
  position: absolute;
  left: 15px;
  top: 17px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--cyan);
  transition: transform .2s ease;
}

.page-about .about-book[data-open] .about-book__trigger::before,
.page-about .about-book__trigger[aria-expanded="true"]::before {
  content: "−";
}

.page-about .about-book__trigger:hover,
.page-about .about-book__trigger:focus-visible {
  background: rgba(47, 224, 200, .06);
}

.page-about .about-book__no {
  grid-column: 1;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--amber);
}

.page-about .about-book__name {
  grid-column: 2;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-about .about-book__meta {
  grid-column: 2;
  font-size: 13px;
  color: var(--index);
}

.page-about .about-book__panel {
  padding: 0 18px 18px 34px;
  border-left: 2px solid transparent;
}

.page-about .about-book__panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-faint);
  padding-top: 12px;
}

.page-about .about-book__panel li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 9px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-about .about-book__panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 8px;
  height: 1px;
  background: var(--green-line);
}

/* ---------- 里程碑 ---------- */

.page-about .about-milestones {
  padding: clamp(42px, 7vw, 84px) 0;
}

.page-about .about-milestones__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-about .about-milestones__head p {
  margin: 18px 0 0;
  max-width: 52ch;
}

.page-about .about-milestones__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-about .about-milestone {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 20px;
  background: var(--green-deep);
  border-left: 3px solid var(--cyan);
  transition: background .24s ease, border-color .24s ease;
}

.page-about .about-milestone:hover {
  background: #124434;
  border-left-color: var(--amber);
}

.page-about .about-milestone__year {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan-soft);
}

.page-about .about-milestone__text h3 {
  font-size: 17px;
  margin-bottom: 6px;
  color: var(--text);
}

.page-about .about-milestone__text p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: #B9C9C3;
}

.page-about .about-milestone__pop {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--amber);
}

/* ---------- 收尾 ---------- */

.page-about .about-cta {
  padding: 0 0 clamp(30px, 5vw, 56px);
}

.page-about .about-cta__box {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding: clamp(26px, 5vw, 44px);
  background: linear-gradient(135deg, var(--green-deep) 0%, var(--panel) 62%);
  border: 1px solid var(--line-soft);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut) * 2), calc(100% - var(--cut) * 2) 100%, 0 100%, 0 var(--cut));
}

.page-about .about-cta__text p {
  margin: 16px 0 0;
  max-width: 54ch;
  color: #C4D3CE;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-self: end;
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-about .about-clubs__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-about .about-team__duties li {
    grid-template-columns: minmax(0, 15ch) minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

  .page-about .about-milestone {
    grid-template-columns: 12ch minmax(0, 1fr) auto;
    align-items: start;
    gap: 18px;
  }

  .page-about .about-milestone__pop {
    align-self: start;
    text-align: right;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero__grid {
    grid-template-columns: 92px minmax(0, 6fr) minmax(0, 5fr);
    gap: clamp(28px, 3.5vw, 52px);
    align-items: start;
  }

  .page-about .about-hero__rail {
    flex-direction: column;
    gap: 24px;
    overflow: visible;
    padding: 6px 0 6px 16px;
    border-left: 1px solid var(--line-soft);
    position: relative;
  }

  .page-about .about-hero__rail::before {
    content: "";
    position: absolute;
    left: -1px;
    top: 6px;
    width: 1px;
    height: 42%;
    background: var(--cyan);
  }

  .page-about .about-hero__tick {
    padding-left: 0;
  }

  .page-about .about-hero__tick::before {
    left: -22px;
    width: 14px;
  }

  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(30px, 4vw, 64px);
  }

  .page-about .about-timeline__list {
    padding-left: 34px;
  }

  .page-about .about-timeline__list::before {
    left: 6px;
  }

  .page-about .about-era {
    grid-template-columns: 14ch minmax(0, 1fr);
    gap: 30px;
    padding: 26px 0 32px;
  }

  .page-about .about-era::before {
    left: -34px;
    top: 32px;
  }

  .page-about .about-clubs__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: clamp(30px, 4vw, 60px);
  }

  .page-about .about-books__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(30px, 4vw, 64px);
  }

  .page-about .about-milestones__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: clamp(30px, 4vw, 64px);
    align-items: start;
  }

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

  .page-about .about-cta__actions {
    justify-content: flex-end;
  }
}
</｜｜DSML｜｜ parameter>
</invoke>