.page-about {
  --about-rim: rgba(43, 64, 88, 0.85);
  --about-soft-cyan: rgba(77, 240, 194, 0.12);
  --about-soft-ochre: rgba(226, 118, 58, 0.14);
  color: var(--text);
  overflow-x: hidden;
}

.page-about .about-crumbs {
  padding-top: calc(var(--header-h) + 14px);
}

.page-about .eyebrow {
  font-family: var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-about .section__title {
  font-weight: 900;
  letter-spacing: -0.015em;
  line-height: 1.12;
  font-size: clamp(24px, 5.4vw, 42px);
  margin: 8px 0 12px;
}

.page-about .lede {
  max-width: 62ch;
  line-height: 1.78;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding-top: clamp(12px, 2.4vw, 20px);
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: center;
}

.page-about .about-hero__copy h1 {
  font-size: clamp(30px, 8vw, 62px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.03em;
  margin: 10px 0 16px;
  background: linear-gradient(102deg, var(--text) 22%, #BFD3E4 68%, var(--ochre) 130%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-about .about-hero__note {
  margin: 18px 0 22px;
  font-size: 12.5px;
  line-height: 1.9;
  color: var(--cyan);
  letter-spacing: 0.02em;
  padding-left: 14px;
  border-left: 2px solid var(--ochre);
}

.page-about .about-hero__frame {
  position: relative;
  margin: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--about-rim);
  background: var(--ink-800);
  box-shadow: 0 26px 60px -34px rgba(0, 0, 0, 0.9);
}

.page-about .about-hero__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 17, 31, 0) 42%, rgba(7, 17, 31, 0.92) 100%);
  pointer-events: none;
}

.page-about .about-hero__frame img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}

.page-about .about-hero__cap {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 16px;
  z-index: 1;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  font-family: var(--mono);
}

/* ---------- 起点时间线 ---------- */
.page-about .about-origin {
  padding-top: clamp(38px, 7vw, 78px);
}

.page-about .about-rail {
  margin: 4px 0 18px;
  opacity: 0.9;
}

.page-about .about-rail__svg {
  width: 100%;
  height: 52px;
  display: block;
}

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

.page-about .about-tl__item {
  display: grid;
  grid-template-columns: 66px 1fr;
  gap: 14px;
  padding: 18px 18px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--about-rim);
  background: linear-gradient(155deg, var(--ink-800), rgba(13, 27, 46, 0.55));
  transition: border-color 0.35s var(--ease), transform 0.35s var(--ease), background 0.35s var(--ease);
}

.page-about .about-tl__item:hover,
.page-about .about-tl__item:focus-within {
  border-color: var(--ochre);
  background: linear-gradient(155deg, var(--ink-700), rgba(21, 42, 66, 0.5));
  transform: translateX(3px);
}

.page-about .about-tl__year {
  font-size: clamp(19px, 4.6vw, 24px);
  font-weight: 700;
  color: var(--ochre);
  letter-spacing: -0.02em;
  align-self: start;
  display: block;
}

.page-about .about-tl__item:hover .about-tl__year {
  color: var(--cyan);
}

.page-about .about-tl__title {
  margin: 0 0 6px;
  font-size: 16.5px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-about .about-tl__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 服务网络 ---------- */
.page-about .about-net {
  padding-top: clamp(38px, 7vw, 78px);
}

.page-about .about-net__panel {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--about-rim);
  background: var(--ink-800);
  isolation: isolate;
}

.page-about .about-net__texture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
  filter: saturate(0.55) brightness(0.7);
  z-index: -1;
}

.page-about .about-net__panel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(115deg, rgba(7, 17, 31, 0.94) 0%, rgba(13, 27, 46, 0.78) 52%, rgba(168, 74, 42, 0.22) 100%);
}

.page-about .about-net__inner {
  padding: clamp(22px, 4.5vw, 48px);
}

.page-about .about-net__head {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-about .about-net__grid {
  display: grid;
  gap: clamp(20px, 3.4vw, 36px);
  align-items: center;
}

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

.page-about .about-net__facts li {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 14px;
  align-items: baseline;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: rgba(21, 42, 66, 0.55);
  border-left: 2px solid var(--ochre-deep);
}

.page-about .about-net__k {
  font-size: 20px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -0.03em;
}

.page-about .about-net__v {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.page-about .about-net__map {
  width: 100%;
  height: auto;
  display: block;
}

.page-about .about-net__gridlines line {
  stroke: var(--line);
  stroke-width: 1;
  opacity: 0.5;
}

.page-about .about-net__links path {
  fill: none;
  stroke: var(--ochre);
  stroke-width: 1.4;
  opacity: 0.7;
}

.page-about .about-net__dots circle {
  fill: var(--cyan);
}

.page-about .about-net__dots circle:first-child {
  fill: var(--ochre);
  filter: drop-shadow(0 0 10px rgba(226, 118, 58, 0.8));
}

.page-about .about-net__labels text {
  fill: var(--muted);
  font-size: 13px;
  font-family: var(--mono);
  letter-spacing: 0.04em;
}

/* ---------- 赛季更新 ---------- */
.page-about .about-season {
  padding-top: clamp(38px, 7vw, 78px);
}

.page-about .about-season__grid {
  display: grid;
  gap: clamp(22px, 4vw, 42px);
  align-items: start;
}

.page-about .about-season__cards {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.page-about .about-season__card {
  padding: 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--about-rim);
  background: var(--ink-800);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
}

.page-about .about-season__card:hover {
  transform: translateY(-3px);
  border-color: var(--cyan);
}

.page-about .about-season__card h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-about .about-season__card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--muted);
}

.page-about .about-season__card--accent {
  background: linear-gradient(148deg, rgba(226, 118, 58, 0.18), var(--ink-800) 62%);
  border-color: rgba(226, 118, 58, 0.5);
}

.page-about .about-season__card--accent h3 {
  color: var(--ochre);
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  padding-top: clamp(38px, 7vw, 78px);
}

.page-about .about-team__grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: center;
}

.page-about .about-team__figure {
  margin: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--about-rim);
  background: var(--ink-700);
  position: relative;
}

.page-about .about-team__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(77, 240, 194, 0.16), rgba(7, 17, 31, 0.6) 70%);
  pointer-events: none;
}

.page-about .about-team__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-about .about-team__copy .section__title {
  margin-top: 8px;
}

.page-about .about-team__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-team__list li {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(21, 42, 66, 0.6);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
  border-left: 2px solid var(--cyan);
}

.page-about .about-team__list strong {
  color: var(--text);
  font-weight: 800;
  margin-right: 6px;
}

/* ---------- 合作生态 ---------- */
.page-about .about-eco {
  padding-top: clamp(38px, 7vw, 78px);
}

.page-about .about-eco__grid {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.page-about .about-eco__card {
  padding: 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--about-rim);
  background: var(--ink-800);
  position: relative;
  overflow: hidden;
}

.page-about .about-eco__card::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -30px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--about-soft-cyan);
  pointer-events: none;
}

.page-about .about-eco__num {
  display: block;
  font-size: 38px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--cyan);
  margin-bottom: 10px;
}

.page-about .about-eco__badge {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.1em;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  color: var(--ink-900);
  background: var(--ochre);
  margin-bottom: 10px;
}

.page-about .about-eco__card h3 {
  margin: 0 0 8px;
  font-size: 15.5px;
  font-weight: 800;
}

.page-about .about-eco__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--muted);
}

.page-about .about-eco__card--award {
  background: linear-gradient(150deg, rgba(226, 118, 58, 0.16), var(--ink-800) 66%);
  border-color: rgba(226, 118, 58, 0.45);
}

/* ---------- 走向 ---------- */
.page-about .about-next {
  padding-top: clamp(38px, 7vw, 78px);
}

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

.page-about .about-next__item {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 14px;
  align-items: start;
  padding: 18px;
  border-radius: var(--radius-lg);
  border-top: 1px solid var(--about-rim);
  border-bottom: 1px solid var(--about-rim);
  background: linear-gradient(90deg, rgba(168, 74, 42, 0.14), rgba(13, 27, 46, 0.4) 46%, rgba(13, 27, 46, 0) 100%);
}

.page-about .about-next__idx {
  font-size: 15px;
  font-weight: 700;
  color: var(--ochre);
  letter-spacing: 0.04em;
  padding-top: 2px;
}

.page-about .about-next__item h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-about .about-next__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--muted);
}

/* ---------- 快捷入口 ---------- */
.page-about .about-links {
  padding-top: clamp(38px, 7vw, 78px);
  padding-bottom: clamp(46px, 8vw, 90px);
}

.page-about .about-links__grid {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.page-about .about-links__card {
  display: block;
  padding: 22px 20px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--about-rim);
  background: var(--ink-800);
  text-decoration: none;
  color: var(--text);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), background 0.35s var(--ease);
}

.page-about .about-links__card:hover,
.page-about .about-links__card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--ochre);
  background: var(--ink-700);
}

.page-about .about-links__k {
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  border: 1px solid rgba(77, 240, 194, 0.4);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
  margin-bottom: 12px;
}

.page-about .about-links__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.015em;
}

.page-about .about-links__card p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-about .about-links__go {
  font-size: 14px;
  font-weight: 700;
  color: var(--ochre);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-about .about-season__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 860px) {
  .page-about .about-hero__grid {
    grid-template-columns: 1.12fr 0.88fr;
  }

  .page-about .about-hero__frame {
    transform: rotate(-1.4deg);
  }

  .page-about .about-tl__item {
    grid-template-columns: 130px 1fr;
    padding: 22px 26px;
  }

  .page-about .about-tl__year {
    font-size: 32px;
  }

  .page-about .about-net__grid {
    grid-template-columns: 0.95fr 1.05fr;
  }

  .page-about .about-season__grid {
    grid-template-columns: 0.85fr 1.15fr;
  }

  .page-about .about-team__grid {
    grid-template-columns: 0.9fr 1.1fr;
  }

  .page-about .about-team__figure {
    transform: rotate(1.2deg);
  }

  .page-about .about-next__item {
    grid-template-columns: 64px 1fr;
    padding: 22px 26px;
  }
}

@media (min-width: 1080px) {
  .page-about .about-tl__item {
    grid-template-columns: 160px 1fr;
  }

  .page-about .about-tl__year {
    font-size: 40px;
  }

  .page-about .about-net__inner {
    padding: 52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-tl__item,
  .page-about .about-season__card,
  .page-about .about-links__card,
  .page-about .about-hero__frame,
  .page-about .about-team__figure {
    transition: none;
  }

  .page-about .about-tl__item:hover,
  .page-about .about-season__card:hover,
  .page-about .about-links__card:hover {
    transform: none;
  }
}
<<<END>>>