.page-about {
  --about-axis: linear-gradient(180deg, var(--pulse) 0%, var(--cyan) 55%, var(--amber) 100%);
  --about-soft-cyan: rgba(34, 240, 228, .16);
  padding-bottom: clamp(36px, 6vw, 84px);
}

.page-about img {
  max-width: 100%;
  height: auto;
}

/* —— 面包屑与首屏 —— */
.page-about .about-top {
  padding-top: clamp(18px, 4vw, 34px);
}

.page-about .about-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 44px);
  padding-top: clamp(16px, 3vw, 30px);
  padding-bottom: clamp(26px, 5vw, 54px);
}

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

.page-about .about-title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.2rem, 8vw, 4.6rem);
  line-height: 1.0;
  letter-spacing: -.025em;
}

.page-about .about-title .display--slant {
  color: var(--cyan);
}

.page-about .about-lead {
  margin: 0 0 26px;
  max-width: 52ch;
  font-size: var(--fs-17);
  line-height: 1.7;
  letter-spacing: -.01em;
  color: var(--mute);
}

.page-about .about-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 540px;
}

.page-about .about-stat {
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: 4px 4px 0 rgba(42, 53, 80, .55);
  padding: 12px 12px 14px;
}

.page-about .about-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.45rem, 5.4vw, 2.1rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--cyan);
}

.page-about .about-stat__label {
  display: block;
  margin-top: 8px;
  font-size: var(--fs-12);
  line-height: 1.45;
  color: var(--mute);
}

.page-about .about-hero__figure {
  margin: 0;
  border: var(--edge);
  background: var(--panel);
  box-shadow: var(--hard);
  overflow: hidden;
}

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

.page-about .about-hero__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-12);
  line-height: 1.5;
  color: var(--mute);
}

.page-about .about-slant {
  margin: clamp(6px, 2vw, 18px) 0;
  border: 0;
  opacity: .9;
}

/* —— 通用小节头部 —— */
.page-about .about-sec-head {
  margin-bottom: clamp(20px, 4vw, 38px);
}

.page-about .about-eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .22em;
  color: var(--pulse);
}

.page-about .about-h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 4.6vw, 2.5rem);
  line-height: 1.14;
  letter-spacing: -.018em;
}

.page-about .about-sec-note {
  margin: 0;
  max-width: 58ch;
  font-size: var(--fs-17);
  line-height: 1.7;
  color: var(--mute);
}

/* —— 起点 —— */
.page-about .about-origin__body p {
  margin: 0 0 16px;
  max-width: 66ch;
  font-size: var(--fs-17);
  line-height: 1.78;
  color: var(--paper);
}

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

.page-about .about-origin__body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* —— 时间线 —— */
.page-about .tl {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.page-about .tl::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 8px;
  bottom: 8px;
  width: 3px;
  background: var(--about-axis);
}

.page-about .tl-item {
  position: relative;
  padding-left: 46px;
}

.page-about .tl-item::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  width: 16px;
  height: 16px;
  background: var(--cyan);
  border: 3px solid var(--ink);
  box-shadow: 3px 3px 0 rgba(42, 53, 80, .85);
}

.page-about .tl-year {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-22);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-about .tl-card {
  background: var(--panel);
  border: var(--edge);
  box-shadow: var(--hard);
  transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-about .tl-card summary {
  position: relative;
  padding: 16px 52px 16px 18px;
  cursor: pointer;
  list-style: none;
}

.page-about .tl-card summary::-webkit-details-marker {
  display: none;
}

.page-about .tl-card summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-22);
  line-height: 1;
  color: var(--cyan);
}

.page-about .tl-card[open] summary::after {
  content: "–";
}

.page-about .tl-card[open] {
  border-color: var(--cyan);
}

.page-about .tl-card summary h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-22);
  line-height: 1.3;
}

.page-about .tl-out {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.65;
  color: var(--mute);
}

.page-about .tl-more {
  padding: 14px 18px 20px;
  border-top: 1px solid var(--line);
}

.page-about .tl-more p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--paper);
}

.page-about .tl-figure {
  margin: 6px 0;
  position: relative;
  border: var(--edge);
  background: var(--panel);
  box-shadow: var(--hard);
  overflow: hidden;
  z-index: 1;
}

.page-about .tl-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 11 / 6;
  object-fit: cover;
}

.page-about .tl-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-12);
  color: var(--mute);
}

/* —— 团队 —— */
.page-about .about-team__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .team-card {
  position: relative;
  overflow: hidden;
  padding: 20px 18px 22px;
  background: var(--panel);
  border: var(--edge);
  box-shadow: var(--hard);
}

.page-about .team-card::after {
  content: "";
  position: absolute;
  right: -28px;
  bottom: -28px;
  width: 86px;
  height: 86px;
  background: var(--pulse);
  opacity: .15;
  transform: rotate(45deg);
}

.page-about .team-card__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(2.1rem, 6vw, 2.9rem);
  line-height: 1;
  color: var(--cyan);
}

.page-about .team-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-22);
}

.page-about .team-card p {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--mute);
}

.page-about .about-team__foot {
  margin: 18px 0 0;
  padding: 16px 18px;
  border-left: 4px solid var(--amber);
  background: var(--deck);
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--paper);
}

/* —— 赛区 —— */
.page-about .about-zones__figure {
  margin: 0 0 18px;
  border: var(--edge);
  background: var(--panel);
  box-shadow: var(--hard);
  overflow: hidden;
}

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

.page-about .about-zones__figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-12);
  color: var(--mute);
}

.page-about .zone-map {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: 14px;
  border: var(--edge);
  background: var(--panel);
  box-shadow: var(--hard);
}

.page-about .zone-svg {
  display: block;
  min-width: 720px;
  width: 100%;
  height: auto;
}

.page-about .zone-name {
  fill: var(--paper);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  text-anchor: middle;
}

.page-about .zone-frame {
  fill: none;
  stroke: var(--line);
  stroke-width: 3;
  transition: stroke 200ms var(--ease);
}

.page-about .zone-bar {
  fill: var(--deck);
  stroke: var(--line);
  stroke-width: 2;
  transition: fill 200ms var(--ease), stroke 200ms var(--ease);
}

.page-about .zone-lv {
  fill: var(--mute);
  font-family: var(--font-mono);
  font-size: 16px;
  text-anchor: middle;
  transition: fill 200ms var(--ease);
}

.page-about .zone:hover .zone-frame {
  stroke: var(--cyan);
}

.page-about .zone:hover .zone-bar {
  fill: var(--about-soft-cyan);
  stroke: var(--cyan);
}

.page-about .zone:hover .zone-lv {
  fill: var(--paper);
}

.page-about .zone-caption {
  margin: 14px 0 0;
  font-size: var(--fs-12);
  line-height: 1.65;
  color: var(--mute);
}

/* —— 合作 —— */
.page-about .about-partners__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-about .about-partners__lead {
  margin: 0 0 18px;
  max-width: 56ch;
  font-size: var(--fs-17);
  line-height: 1.75;
  color: var(--paper);
}

.page-about .partner-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-about .partner-list li {
  padding: 12px 14px;
  border-left: 3px solid var(--pulse);
  background: var(--panel);
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--mute);
}

.page-about .partner-list strong {
  display: block;
  margin-bottom: 4px;
  font-size: var(--fs-17);
  font-weight: 800;
  color: var(--paper);
}

.page-about .partner-figures {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.page-about .partner-figure {
  flex: 1 1 140px;
  padding: 14px 16px;
  border: 2px solid var(--line);
  background: var(--deck);
}

.page-about .partner-figure__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(1.8rem, 5vw, 2.4rem);
  line-height: 1;
  color: var(--gain);
}

.page-about .partner-figure__label {
  display: block;
  margin-top: 8px;
  font-size: var(--fs-12);
  color: var(--mute);
}

.page-about .partner-track {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: 4px 2px 16px;
  scroll-snap-type: x proximity;
}

.page-about .partner-chip {
  position: relative;
  flex: 0 0 124px;
  height: 92px;
  border: 2px solid var(--line);
  background: var(--deck);
  overflow: hidden;
  scroll-snap-align: start;
}

.page-about .partner-chip::before {
  content: "";
  position: absolute;
  inset: 24px;
  border: 2px solid var(--cyan);
  transform: rotate(45deg);
}

.page-about .partner-chip:nth-child(2)::before {
  border-radius: 50%;
  border-color: var(--pulse);
  transform: none;
}

.page-about .partner-chip:nth-child(3)::before {
  border-color: var(--amber);
  transform: rotate(0);
}

.page-about .partner-chip:nth-child(4)::before {
  border-color: var(--pulse);
  transform: rotate(45deg) scale(.7);
}

.page-about .partner-chip:nth-child(5)::before {
  border-radius: 50%;
  transform: scale(.75);
}

.page-about .partner-chip:nth-child(6)::before {
  border-color: var(--gain);
  transform: rotate(0) scale(.8);
}

/* —— 四个理由 —— */
.page-about .reasons {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  counter-reset: reason;
}

.page-about .reason {
  position: relative;
  padding: 18px 18px 20px 20px;
  background: var(--panel);
  border: var(--edge);
  box-shadow: var(--hard);
}

.page-about .reason__idx {
  display: inline-block;
  margin-bottom: 10px;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--ink);
  background: var(--cyan);
}

.page-about .reason h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-22);
}

.page-about .reason p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--mute);
}

/* —— 收尾 —— */
.page-about .about-cta__box {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4.4vw, 44px);
  border: var(--edge);
  background:
    linear-gradient(135deg, rgba(168, 85, 247, .2), transparent 58%),
    var(--deck);
  box-shadow: var(--hard);
}

.page-about .about-cta__box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 132px;
  height: 6px;
  background: var(--cyan);
}

.page-about .about-cta__box h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.4vw, 2.3rem);
  line-height: 1.18;
}

.page-about .about-cta__box p {
  margin: 0 0 22px;
  max-width: 58ch;
  font-size: var(--fs-17);
  line-height: 1.7;
  color: var(--mute);
}

.page-about .about-cta__box strong {
  color: var(--paper);
}

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

/* —— 断点 —— */
@media (min-width: 760px) {
  .page-about .about-team__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
    gap: clamp(28px, 3.4vw, 52px);
  }

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

  .page-about .tl::before {
    left: 96px;
  }

  .page-about .tl-item {
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr);
    column-gap: 44px;
    align-items: start;
    padding-left: 0;
  }

  .page-about .tl-item::before {
    left: 86px;
    top: 12px;
  }

  .page-about .tl-year {
    margin: 0;
    padding-right: 26px;
    text-align: right;
    line-height: 1.2;
  }

  .page-about .tl-figure {
    margin-left: 140px;
  }

  .page-about .about-partners__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }

  .page-about .partner-track {
    flex-wrap: wrap;
    overflow-x: visible;
  }

  .page-about .partner-chip {
    flex: 0 0 calc(50% - 6px);
  }
}

@media (min-width: 1180px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  }

  .page-about .about-stats {
    max-width: 600px;
  }
}

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