.page-about {
  --about-rule: rgba(201, 242, 77, 0.28);
  --about-rule-soft: rgba(244, 239, 226, 0.14);
  --about-night: #07211A;
  background: var(--ink-900);
  color: var(--paper);
  padding-bottom: 0;
}

/* ---------- 面包屑 ---------- */
.page-about .breadcrumb {
  padding: 18px 0 0;
  font-size: 13px;
}
.page-about .breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  color: var(--steel);
}
.page-about .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--steel);
}
.page-about .breadcrumb a {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}
.page-about .breadcrumb a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: 40px 0 56px;
  background:
    radial-gradient(120% 90% at 82% 6%, rgba(201, 242, 77, 0.16) 0%, rgba(10, 42, 33, 0) 58%),
    radial-gradient(80% 70% at 6% 96%, rgba(255, 90, 33, 0.12) 0%, rgba(10, 42, 33, 0) 62%),
    var(--about-night);
  border-bottom: 1px solid var(--about-rule);
}
.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    115deg,
    rgba(201, 242, 77, 0.05) 0px,
    rgba(201, 242, 77, 0.05) 1px,
    transparent 1px,
    transparent 22px
  );
  opacity: .7;
}
.page-about .about-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 36px;
}
.page-about .about-hero-copy .eyebrow {
  color: var(--lime);
  letter-spacing: .28em;
  font-size: 12px;
  text-transform: uppercase;
  margin: 0 0 20px;
}
.page-about .about-title {
  margin: 0 0 24px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 9vw, 92px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.page-about .about-hero-copy .lede {
  max-width: 60ch;
  font-size: 17px;
  line-height: 1.62;
  color: rgba(244, 239, 226, 0.8);
  margin: 0 0 28px;
}
.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-about .about-hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--about-rule-soft);
  border: 1px solid var(--about-rule-soft);
}
.page-about .fact-item {
  background: rgba(255, 255, 255, 0.04);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-about .fact-item .num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 6vw, 44px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--lime);
  line-height: 1;
}
.page-about .fact-label {
  font-size: 13px;
  color: var(--steel);
  letter-spacing: .04em;
}

/* ---------- 三栏长卷骨架 ---------- */
.page-about .about-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  padding-top: 48px;
  padding-bottom: 72px;
}
.page-about .about-rail {
  border-top: 1px solid var(--about-rule);
  padding-top: 16px;
}
.page-about .rail-title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--steel);
  text-transform: uppercase;
}
.page-about .rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-about .rail-list a {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--about-rule-soft);
  font-size: 13px;
  color: rgba(244, 239, 226, 0.76);
  text-decoration: none;
  transition: color .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}
.page-about .rail-list a:hover,
.page-about .rail-list a:focus-visible {
  color: var(--ink-900);
  background: var(--lime);
  border-color: var(--lime);
}
.page-about .about-notes {
  display: none;
}

/* ---------- 章节通用 ---------- */
.page-about .about-stream {
  display: flex;
  flex-direction: column;
  gap: 64px;
  min-width: 0;
}
.page-about .about-block {
  scroll-margin-top: 96px;
}
.page-about .about-tag {
  display: inline-block;
  margin: 0 0 14px;
  padding: 4px 10px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--lime);
  border: 1px solid var(--about-rule);
  background: rgba(201, 242, 77, 0.06);
}
.page-about .about-block .h-2 {
  margin: 0 0 20px;
  font-size: clamp(26px, 4.6vw, 42px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-about .about-lead {
  margin: 0 0 26px;
  font-size: 16px;
  line-height: 1.6;
  color: rgba(244, 239, 226, 0.78);
  max-width: 62ch;
}
.page-about .about-cols {
  display: grid;
  gap: 18px;
}
.page-about .about-cols p,
.page-about .about-block > p {
  margin: 0;
  font-size: 16px;
  line-height: 1.66;
  color: rgba(244, 239, 226, 0.82);
}
.page-about .about-note-line {
  margin-top: 22px !important;
  padding-left: 16px;
  border-left: 2px solid var(--ember);
  font-size: 15px !important;
  color: rgba(244, 239, 226, 0.72) !important;
}
.page-about .about-block a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--about-rule);
  transition: border-color .25s var(--ease);
}
.page-about .about-block a:hover {
  border-bottom-color: var(--lime);
}

/* ---------- 图片 ---------- */
.page-about .about-figure {
  margin: 0 0 32px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--about-rule-soft);
  background: var(--ink-800);
}
.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.04);
}
.page-about .about-figure--wide img {
  aspect-ratio: 14 / 9;
}
.page-about .about-figure--tall img {
  aspect-ratio: 4 / 3;
}
.page-about .about-figure--banner {
  margin: 36px 0 0;
}
.page-about .about-figure--banner img {
  aspect-ratio: 3 / 2;
}
.page-about .about-figure figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 8px 14px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ink-900);
  background: var(--lime);
}
.page-about .about-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    120deg,
    rgba(10, 42, 33, 0.16) 0px,
    rgba(10, 42, 33, 0.16) 1px,
    transparent 1px,
    transparent 18px
  );
  mix-blend-mode: multiply;
}

/* ---------- 技能树式分工 ---------- */
.page-about .tree {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--about-rule);
}
.page-about .tree-item {
  position: relative;
  padding: 28px 0 26px;
  border-bottom: 1px solid var(--about-rule-soft);
}
.page-about .tree-item::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  background: var(--lime);
  border-radius: 50%;
}
.page-about .tree-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--ember);
  margin-bottom: 10px;
}
.page-about .tree-item .h-3 {
  margin: 0 0 10px;
  font-size: 20px;
  color: var(--paper);
}
.page-about .tree-item p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.62;
  color: rgba(244, 239, 226, 0.78);
}
.page-about .linker-panel {
  margin-top: 32px;
  padding: 22px 22px 24px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--about-rule);
  border-left: 3px solid var(--lime);
}
.page-about .linker-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--lime);
}
.page-about .linker-panel p:last-child {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.62;
  color: rgba(244, 239, 226, 0.78);
}

/* ---------- 赛季时间线 ---------- */
.page-about .timeline {
  list-style: none;
  margin: 0;
  padding: 4px 0 0 26px;
  border-left: 1px solid var(--about-rule);
}
.page-about .tl-item {
  position: relative;
  padding-bottom: 34px;
}
.page-about .tl-item:last-child {
  padding-bottom: 0;
}
.page-about .tl-item::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--lime);
}
.page-about .tl-item:nth-child(1) { opacity: .66; }
.page-about .tl-item:nth-child(2) { opacity: .74; }
.page-about .tl-item:nth-child(3) { opacity: .82; }
.page-about .tl-item:nth-child(4) { opacity: .90; }
.page-about .tl-item:nth-child(5) { opacity: .96; }
.page-about .tl-item:nth-child(6) { opacity: 1; }
.page-about .tl-item:hover {
  opacity: 1;
}
.page-about .tl-year {
  display: block;
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--lime);
}
.page-about .tl-item .h-3 {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--paper);
}
.page-about .tl-item p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.62;
  color: rgba(244, 239, 226, 0.78);
}

/* ---------- 合作生态 ---------- */
.page-about .partner-grid {
  display: grid;
  gap: 16px;
}
.page-about .partner-card {
  padding: 24px 22px 26px;
  border: 1px solid var(--about-rule-soft);
  background: rgba(255, 255, 255, 0.03);
  transition: transform .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}
.page-about .partner-card:hover {
  transform: translateY(-4px);
  border-color: var(--lime);
  background: var(--glass);
}
.page-about .partner-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(38px, 8vw, 56px);
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
}
.page-about .partner-unit {
  margin: 10px 0 14px;
  font-size: 15px;
  letter-spacing: .06em;
  color: var(--paper);
}
.page-about .partner-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.62;
  color: rgba(244, 239, 226, 0.74);
}

/* ---------- 覆盖城市 ---------- */
.page-about .about-block--split {
  display: grid;
  gap: 28px;
}
.page-about .about-block--split .about-figure {
  margin: 0;
}
.page-about .region-copy p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.66;
  color: rgba(244, 239, 226, 0.82);
}
.page-about .region-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 4px 0 20px;
}
.page-about .region-stat {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--about-rule);
  background: rgba(201, 242, 77, 0.06);
  font-size: 13px;
  color: rgba(244, 239, 226, 0.8);
}
.page-about .region-stat .num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--lime);
}

/* ---------- 荣誉（奶油纸底） ---------- */
.page-about .about-block--paper {
  background: var(--paper);
  color: var(--brown);
  padding: 32px 24px 34px;
  border: 1px solid rgba(32, 28, 20, 0.16);
  box-shadow: 8px 8px 0 rgba(201, 242, 77, 0.35);
}
.page-about .about-block--paper .about-tag {
  color: #6B5F3A;
  border-color: rgba(32, 28, 20, 0.22);
  background: rgba(201, 242, 77, 0.5);
}
.page-about .about-block--paper .h-2 {
  color: var(--brown);
  border-bottom: 1px solid rgba(32, 28, 20, 0.2);
  padding-bottom: 16px;
}
.page-about .honor-body p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.68;
  color: #3A3325;
}
.page-about .honor-body p:last-child {
  margin-bottom: 0;
}

/* ---------- 收尾 ---------- */
.page-about .about-cta {
  padding: 34px 24px;
  border: 1px solid var(--about-rule);
  background:
    radial-gradient(100% 120% at 100% 0%, rgba(255, 90, 33, 0.16) 0%, rgba(10, 42, 33, 0) 60%),
    var(--ink-800);
}
.page-about .about-cta .h-2 {
  margin: 0 0 12px;
  font-size: clamp(24px, 4.2vw, 34px);
  color: var(--paper);
}
.page-about .about-cta > p {
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.6;
  color: rgba(244, 239, 226, 0.78);
}
.page-about .about-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-about .about-top-line {
  margin: 26px 0 0 !important;
  padding-top: 16px;
  border-top: 1px solid var(--about-rule-soft);
}
.page-about .about-top {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}
.page-about .about-top:hover,
.page-about .about-top:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}
.page-about a:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 760px) {
  .page-about .about-hero {
    padding: 56px 0 72px;
  }
  .page-about .about-hero-inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: end;
    gap: 48px;
  }
  .page-about .about-hero-facts {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-about .fact-item {
    padding: 18px 20px;
  }
  .page-about .about-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }
  .page-about .tree {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 28px;
    border-bottom: 1px solid var(--about-rule-soft);
  }
  .page-about .tree-item {
    padding: 28px 0 30px;
    border-bottom: 0;
  }
  .page-about .tree-item + .tree-item {
    padding-left: 28px;
    border-left: 1px solid var(--about-rule-soft);
  }
  .page-about .partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-about .about-block--split {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }
  .page-about .about-figure--tall {
    margin-top: 30px;
  }
  .page-about .about-block--paper {
    padding: 40px 36px 42px;
  }
  .page-about .about-cta {
    padding: 40px 36px;
  }
}

/* ---------- 桌面：三栏长卷 ---------- */
@media (min-width: 1000px) {
  .page-about .about-shell {
    grid-template-columns: 168px minmax(0, 1fr) 52px;
    gap: 0 44px;
    padding-top: 64px;
    padding-bottom: 96px;
  }
  .page-about .about-rail {
    position: sticky;
    top: 96px;
    align-self: start;
    border-top: 1px solid var(--about-rule);
    padding-top: 18px;
  }
  .page-about .rail-list {
    flex-direction: column;
    gap: 0;
  }
  .page-about .rail-list a {
    display: block;
    border: 0;
    border-left: 2px solid transparent;
    padding: 9px 0 9px 12px;
    font-size: 14px;
  }
  .page-about .rail-list a:hover,
  .page-about .rail-list a:focus-visible {
    background: transparent;
    color: var(--lime);
    border-left-color: var(--lime);
  }
  .page-about .about-notes {
    display: block;
    position: sticky;
    top: 110px;
    align-self: start;
    writing-mode: vertical-rl;
    justify-self: end;
  }
  .page-about .about-notes .annotation {
    margin: 0;
    font-size: 12px;
    letter-spacing: .24em;
    color: var(--steel);
  }
  .page-about .about-stream {
    gap: 84px;
  }
  .page-about .about-block .h-2 {
    max-width: 24ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .partner-card,
  .page-about .rail-list a,
  .page-about .about-top {
    transition: none;
  }
  .page-about .partner-card:hover {
    transform: none;
  }
}
<<<END>>>