.page-about {
  --about-rail-w: 52px;
  --about-dash: repeating-linear-gradient(
    to bottom,
    rgba(59, 240, 228, .34) 0 4px,
    transparent 4px 13px
  );
}

/* ── 面包屑 ── */
.page-about .breadcrumb {
  padding: clamp(18px, 3vw, 30px) 0 0;
}

/* ── 首屏 ── */
.page-about .about-hero {
  padding: clamp(32px, 6vw, 80px) 0 clamp(40px, 6vw, 72px);
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-hero__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: clamp(20px, 3vw, 34px);
}

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

.page-about .about-hero__title {
  margin: 0 0 clamp(24px, 4vw, 40px);
  max-width: 16em;
  font-size: clamp(40px, 6.8vw, 88px);
  line-height: 1.06;
}

.page-about .about-lead {
  max-width: 42em;
  font-size: clamp(15px, 1.45vw, 18px);
  line-height: 1.85;
  color: var(--text-body);
  margin: 0 0 clamp(32px, 5vw, 52px);
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 24px;
  max-width: 760px;
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--line);
}

/* ── 起点 ── */
.page-about .about-origin {
  padding: clamp(52px, 8vw, 112px) 0 clamp(32px, 5vw, 64px);
}

.page-about .origin-grid {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-about .origin-text .h-section {
  margin: 8px 0 clamp(18px, 3vw, 28px);
}

.page-about .origin-text p {
  max-width: 38em;
  margin: 0 0 1.1em;
  color: var(--text-body);
  line-height: 1.85;
}

.page-about .origin-text p:first-of-type::first-letter {
  float: left;
  font-size: 3.1em;
  line-height: .82;
  padding: .12em .12em 0 0;
  color: var(--cyan);
  font-weight: 900;
}

.page-about .origin-figure {
  margin: 0;
}

.page-about .season-figure,
.page-about .team-figure {
  margin: clamp(32px, 5vw, 56px) 0 0;
}

/* ── 赛季制 ── */
.page-about .about-seasons {
  padding: clamp(44px, 7vw, 96px) 0 clamp(32px, 5vw, 64px);
}

.page-about .seasons-head {
  margin-bottom: clamp(36px, 6vw, 68px);
}

.page-about .seasons-head .h-section {
  margin: 8px 0 clamp(14px, 2.5vw, 22px);
}

.page-about .season-list {
  position: relative;
  padding-left: var(--about-rail-w);
  list-style: none;
  margin: 0;
  counter-reset: season;
}

.page-about .season-list::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 10px;
  bottom: 26px;
  width: 1px;
  background-image: var(--about-dash);
}

.page-about .season-item {
  position: relative;
  padding: 0 0 clamp(26px, 3.6vw, 42px);
  transition: opacity .3s var(--ease);
}

.page-about .season-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--about-rail-w) + 15px);
  top: 7px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--ink);
  border: 1.5px solid var(--cyan);
  box-shadow: 0 0 0 4px rgba(59, 240, 228, .1);
  transition: background .3s var(--ease), box-shadow .3s var(--ease);
}

.page-about .season-item:hover::before {
  background: var(--cyan);
  box-shadow: 0 0 0 9px rgba(59, 240, 228, .16);
}

.page-about .season-item:nth-child(n+4) .season-item__body {
  opacity: .95;
}

.page-about .season-item:nth-child(n+6) .season-item__body {
  opacity: .88;
}

.page-about .season-item:nth-child(n+6) {
  padding-bottom: clamp(32px, 4.4vw, 52px);
}

.page-about .season-item:nth-child(n+8) .season-item__body {
  opacity: .8;
}

.page-about .season-item:nth-child(n+8) {
  padding-bottom: clamp(40px, 5.6vw, 66px);
}

.page-about .season-item__num {
  display: block;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--gauze);
  margin-bottom: 6px;
}

.page-about .season-item__body h3 {
  margin: 0 0 6px;
  font-size: clamp(15px, 1.3vw, 17px);
  font-weight: 700;
  color: var(--glass-white);
  letter-spacing: .01em;
}

.page-about .season-item__body p {
  margin: 0;
  max-width: 40em;
  font-size: clamp(13.5px, 1.15vw, 15px);
  line-height: 1.8;
  color: var(--text-body);
}

/* ── 团队 ── */
.page-about .about-team {
  padding: clamp(44px, 7vw, 96px) 0 clamp(24px, 4vw, 48px);
}

.page-about .team-head {
  margin-bottom: clamp(32px, 5vw, 56px);
}

.page-about .team-head .h-section {
  margin: 8px 0 clamp(14px, 2.5vw, 22px);
}

.page-about .team-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}

.page-about .team-card {
  padding: clamp(22px, 2.8vw, 34px);
  border-radius: var(--radius);
  border: 1px solid var(--line-soft);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-about .team-card__num {
  font-size: 34px;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -.02em;
  font-weight: 500;
}

.page-about .team-card h3 {
  margin: 0;
  font-size: clamp(15px, 1.25vw, 17px);
  font-weight: 700;
  color: var(--glass-white);
}

.page-about .team-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-body);
}

/* ── 标准 ── */
.page-about .about-standard {
  padding: clamp(44px, 7vw, 96px) 0 clamp(24px, 4vw, 48px);
  border-top: 1px solid var(--line-soft);
}

.page-about .about-standard .h-section {
  margin: 8px 0 clamp(26px, 4vw, 46px);
}

.page-about .standard-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}

.page-about .standard-item {
  padding: clamp(24px, 3.2vw, 38px);
  border-radius: var(--radius);
  position: relative;
}

.page-about .standard-item__idx {
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--magenta);
  display: block;
  margin-bottom: 14px;
}

.page-about .standard-item h3 {
  margin: 0 0 10px;
  font-size: clamp(16px, 1.45vw, 19px);
  font-weight: 700;
  color: var(--glass-white);
}

.page-about .standard-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--text-body);
}

.page-about .standard-note {
  margin: clamp(24px, 3.5vw, 40px) 0 0;
  max-width: 44em;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--gauze);
  padding-left: 18px;
  border-left: 2px solid var(--line-cyan);
}

/* ── 荣誉 ── */
.page-about .about-honor {
  padding: clamp(44px, 7vw, 96px) 0 clamp(24px, 4vw, 48px);
}

.page-about .about-honor .h-section {
  margin: 8px 0 clamp(16px, 2.5vw, 24px);
}

.page-about .honor-list {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-about .honor-item {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 20px;
  align-items: start;
  padding: clamp(18px, 2.4vw, 26px) 2px;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .honor-item__num {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold);
  padding-top: 3px;
  display: inline-block;
  position: relative;
}

.page-about .honor-item__num::after {
  content: '';
  display: block;
  margin-top: 9px;
  width: 14px;
  height: 1px;
  background: var(--gold);
  transition: width .34s var(--ease);
}

.page-about .honor-item:hover .honor-item__num::after {
  width: 38px;
}

.page-about .honor-item__body h3 {
  margin: 0 0 6px;
  font-size: clamp(15px, 1.3vw, 17px);
  font-weight: 700;
  color: var(--glass-white);
}

.page-about .honor-item__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-body);
}

.page-about .honor-eco {
  margin-top: clamp(30px, 4.5vw, 52px);
  padding: clamp(22px, 3vw, 34px);
  background: linear-gradient(135deg, rgba(15, 92, 74, .28), rgba(27, 11, 51, .1));
  border: 1px solid rgba(15, 92, 74, .45);
  border-radius: var(--radius);
}

.page-about .honor-eco h3 {
  margin: 0 0 10px;
  font-size: clamp(15px, 1.3vw, 17px);
  font-weight: 700;
  color: var(--glass-white);
}

.page-about .honor-eco p {
  margin: 0;
  max-width: 46em;
  font-size: 14px;
  line-height: 1.82;
  color: var(--text-body);
}

/* ── 未来 ── */
.page-about .about-future {
  padding: clamp(44px, 7vw, 96px) 0 clamp(56px, 8vw, 104px);
  border-top: 1px solid var(--line-soft);
}

.page-about .about-future .h-section {
  margin: 8px 0 clamp(28px, 4.5vw, 50px);
}

.page-about .future-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.2vw, 24px);
}

.page-about .future-item {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 18px;
  align-items: start;
  padding: 22px 0;
  border-top: 1px solid var(--line-soft);
}

.page-about .future-item__idx {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
  padding-top: 4px;
}

.page-about .future-item__body h3 {
  margin: 0 0 8px;
  font-size: clamp(15px, 1.3vw, 17px);
  font-weight: 700;
  color: var(--glass-white);
}

.page-about .future-item__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--text-body);
}

.page-about .future-cta {
  margin: clamp(32px, 4.5vw, 52px) 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--gauze);
}

/* ── 链接 ── */
.page-about a {
  color: var(--cyan);
  text-decoration: none;
  background-image: linear-gradient(var(--cyan), var(--cyan));
  background-size: 0% 1px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size .18s var(--ease);
}

.page-about a:hover,
.page-about a:focus-visible {
  background-size: 100% 1px;
}

/* ── 响应式 ── */
@media (min-width: 640px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-about .origin-grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
  }

  .page-about .standard-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (min-width: 1080px) {
  .page-about .about-stats {
    gap: 24px 40px;
  }

  .page-about .team-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-about .origin-figure {
    margin-top: -18px;
  }
}

@media (max-width: 520px) {
  .page-about {
    --about-rail-w: 38px;
  }

  .page-about .season-list::before {
    left: 15px;
  }

  .page-about .season-item::before {
    left: calc(-1 * var(--about-rail-w) + 10px);
    width: 10px;
    height: 10px;
  }

  .page-about .honor-item {
    grid-template-columns: 44px 1fr;
    gap: 14px;
  }

  .page-about .future-item {
    grid-template-columns: 34px 1fr;
    gap: 12px;
  }
}

/* ── 动效降级 ── */
@media (prefers-reduced-motion: reduce) {
  .page-about .season-item,
  .page-about .season-item::before,
  .page-about .honor-item__num::after,
  .page-about a {
    transition: none !important;
    animation: none !important;
  }
}
<<<END>>>