.page-about {
  --ab-indigo-wash: rgba(110, 75, 214, .13);
  --ab-indigo-line: rgba(110, 75, 214, .42);
  --ab-wine-wash: rgba(140, 46, 76, .12);
  --ab-hero-glow: radial-gradient(120% 90% at 0% 0%, rgba(22, 224, 200, .12) 0%, rgba(4, 18, 31, 0) 62%);
}

/* ---------- 面包屑 ---------- */
.page-about .ab-crumbs-wrap {
  padding-top: var(--s1);
}
.page-about .ab-crumbs-wrap .crumbs {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--muted);
}
.page-about .ab-crumbs-wrap .crumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-about .ab-crumbs-wrap .crumbs a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-about .ab-crumbs__sep {
  margin: 0 8px;
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.page-about .ab-hero {
  padding: var(--s2) 0 var(--s2);
  background-image: var(--ab-hero-glow);
  background-repeat: no-repeat;
}
.page-about .ab-hero__head {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding-left: 16px;
  border-left: 3px solid var(--cyan);
}
.page-about .ab-hero__title {
  margin: 0;
  font-size: clamp(30px, 7vw, 54px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.012em;
  color: var(--text);
  max-width: 20ch;
}
.page-about .ab-hero__side {
  flex: 0 0 auto;
  writing-mode: vertical-rl;
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--cyan);
  white-space: nowrap;
  opacity: .82;
}
.page-about .ab-hero__lead {
  margin: var(--s1) 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}
.page-about .ab-hero__facts {
  list-style: none;
  margin: var(--s2) 0 0;
  padding: 1px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.page-about .ab-hero__facts li {
  background: var(--ink);
  padding: 18px 14px;
}
.page-about .ab-fact__num {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(30px, 6vw, 42px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--cyan);
}
.page-about .ab-fact__label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 双栏骨架 ---------- */
.page-about .ab-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s2);
  padding-bottom: var(--s3);
}

/* ---------- 侧边章节索引 ---------- */
.page-about .ab-aside {
  position: relative;
  overflow-x: auto;
  scrollbar-width: none;
  margin: 0 calc(-1 * var(--gut));
  padding: 0 var(--gut);
}
.page-about .ab-aside::-webkit-scrollbar {
  display: none;
}
.page-about .ab-aside .anchor-nav {
  display: flex;
  gap: 4px;
  white-space: nowrap;
}
.page-about .anchor-nav__link {
  display: block;
  padding: 9px 10px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-about .anchor-nav__link:hover,
.page-about .anchor-nav__link.is-active {
  color: var(--text);
  border-bottom-color: var(--orange);
}

/* ---------- 章节通用 ---------- */
.page-about .ab-section {
  padding: var(--s2) 0;
  border-top: 1px solid var(--line-soft);
}
.page-about .ab-section:first-child {
  border-top: none;
  padding-top: 0;
}
.page-about .ab-section--indigo {
  background: var(--ab-indigo-wash);
  border-top-color: var(--ab-indigo-line);
  border-bottom: 1px solid var(--ab-indigo-line);
  padding-left: var(--gut);
  padding-right: var(--gut);
  margin: 0 calc(-1 * var(--gut));
  clip-path: var(--cut-panel);
}
.page-about .ab-sec-head {
  position: relative;
  margin-bottom: var(--s1);
  padding-right: 30px;
}
.page-about .ab-sec-kicker {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--cyan);
  text-transform: uppercase;
}
.page-about .ab-sec-title {
  margin: 0;
  font-size: clamp(23px, 5vw, 36px);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--text);
  max-width: 24ch;
}
.page-about .ab-sec-note {
  position: absolute;
  right: 0;
  top: 30px;
  writing-mode: vertical-rl;
  margin: 0;
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--muted);
  opacity: .7;
  white-space: nowrap;
}
.page-about .ab-sec-lead {
  margin: 0 0 var(--s1);
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}
.page-about .ab-section p {
  color: var(--muted);
  line-height: 1.85;
}
.page-about .ab-section p + p {
  margin-top: 14px;
}

/* ---------- 赛季历程带 ---------- */
.page-about .ab-track {
  list-style: none;
  margin: var(--s1) 0 0;
  padding: 0 0 12px;
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}
.page-about .ab-track__item {
  position: relative;
  flex: 0 0 78%;
  padding: 46px 20px 0 0;
  scroll-snap-align: start;
}
.page-about .ab-track__item::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 34px;
  height: 1px;
  background: var(--line);
}
.page-about .ab-track__item::after {
  content: "";
  position: absolute;
  left: 0;
  top: 28px;
  width: 2px;
  height: 13px;
  background: var(--orange);
}
.page-about .ab-track__year {
  position: absolute;
  top: 0;
  left: 0;
  font-family: var(--font-num);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--cyan);
}
.page-about .ab-track__title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}
.page-about .ab-track__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 团队 ---------- */
.page-about .ab-team {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s1);
  align-items: center;
  margin-bottom: var(--s2);
}
.page-about .ab-team__chart {
  max-width: 268px;
  margin: 0 auto;
  width: 100%;
}
.page-about .ab-team__chart svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}
.page-about .ab-ring {
  transition: opacity .22s var(--ease), stroke-width .22s var(--ease);
}
.page-about .ab-ring--edit { stroke: var(--cyan); }
.page-about .ab-ring--data { stroke: var(--orange); }
.page-about .ab-ring--prod { stroke: var(--indigo); }
.page-about .ab-ring--cs { stroke: var(--muted); }
.page-about .ab-team__chart:hover .ab-ring { opacity: .5; }
.page-about .ab-team__chart .ab-ring:hover {
  opacity: 1;
  stroke-width: 23;
}
.page-about .ab-ring__num {
  font-family: var(--font-num);
  font-size: 34px;
  font-weight: 700;
  fill: var(--text);
}
.page-about .ab-ring__cap {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: .14em;
  fill: var(--muted);
}
.page-about .ab-team__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-about .ab-team__item {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-about .ab-team__item:first-child {
  border-top: 1px solid var(--line-soft);
}
.page-about .ab-team__swatch {
  width: 10px;
  height: 10px;
  margin-top: 7px;
  clip-path: var(--cut-chip);
}
.page-about .ab-team__swatch--edit { background: var(--cyan); }
.page-about .ab-team__swatch--data { background: var(--orange); }
.page-about .ab-team__swatch--prod { background: var(--indigo); }
.page-about .ab-team__swatch--cs { background: var(--muted); }
.page-about .ab-team__role {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}
.page-about .ab-team__count {
  margin-left: 8px;
  font-family: var(--font-num);
  font-size: 22px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -.01em;
}
.page-about .ab-team__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 图表容器 ---------- */
.page-about .ab-figure {
  margin: var(--s1) 0 0;
}
.page-about .ab-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: var(--cut-panel);
}
.page-about .media__cap {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 数据与内容 ---------- */
.page-about .ab-produce {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s1);
}
.page-about .ab-produce__text p {
  margin: 0;
}
.page-about .ab-produce__text p + p {
  margin-top: 14px;
}
.page-about .ab-inline-cta {
  margin-top: var(--s1);
}
.page-about .ab-figure--side {
  margin-top: 0;
}

/* ---------- 荣誉条目 ---------- */
.page-about .ab-honor {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--ab-indigo-line);
  margin-top: var(--s1);
}
.page-about .ab-honor__item {
  background: var(--ink);
  padding: 18px 16px;
}
.page-about .ab-honor__k {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--orange);
  text-transform: uppercase;
}
.page-about .ab-honor__v {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

/* ---------- 合作提示 ---------- */
.page-about .ab-partner-note {
  margin: var(--s1) 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}
.page-about .ab-partner-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(22, 224, 200, .42);
  transition: border-color .2s var(--ease);
}
.page-about .ab-partner-note a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 覆盖数据 ---------- */
.page-about .ab-metrics {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-soft);
  margin: var(--s1) 0 var(--s1);
}
.page-about .ab-metric {
  background: var(--ink-2);
  padding: 18px 16px;
}
.page-about .ab-metric__v {
  display: block;
  font-family: var(--font-num);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -.015em;
  color: var(--cyan);
}
.page-about .ab-metric__k {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 下一步 ---------- */
.page-about .ab-next {
  margin-top: var(--s2);
  padding: 24px 20px;
  background: linear-gradient(140deg, rgba(13, 59, 79, .9) 0%, rgba(8, 37, 56, .92) 100%);
  border-left: 3px solid var(--orange);
  clip-path: var(--cut-panel);
}
.page-about .ab-next__lead {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}
.page-about .ab-next__links {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 按钮补充 ---------- */
.page-about .btn {
  display: inline-block;
  text-decoration: none;
}
.page-about .btn--ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
}
.page-about .btn--ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* ---------- 中等宽度 ---------- */
@media (min-width: 720px) {
  .page-about .ab-track__item {
    flex: 0 0 250px;
  }
  .page-about .ab-produce {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: var(--s2);
    align-items: start;
  }
  .page-about .ab-honor {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-about .ab-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-about .ab-team {
    grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
    gap: var(--s2);
  }
  .page-about .ab-team__chart {
    margin: 0;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-about .ab-layout {
    grid-template-columns: 186px minmax(0, 1fr);
    gap: var(--s3);
    align-items: start;
  }
  .page-about .ab-aside {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    overflow: visible;
    margin: 0;
    padding: 0;
    padding-left: 14px;
    border-left: 1px solid var(--line-soft);
  }
  .page-about .ab-aside .anchor-nav {
    flex-direction: column;
    gap: 0;
    white-space: normal;
  }
  .page-about .anchor-nav__link {
    padding: 9px 0 9px 12px;
    margin-left: -15px;
    border-left: 2px solid transparent;
    border-bottom: none;
  }
  .page-about .anchor-nav__link:hover,
  .page-about .anchor-nav__link.is-active {
    border-bottom-color: transparent;
    border-left-color: var(--orange);
  }
  .page-about .ab-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-about .ab-section--indigo {
    padding-left: var(--s2);
    padding-right: var(--s2);
    margin: 0;
  }
  .page-about .ab-hero__title {
    max-width: 26ch;
  }
}

@media (min-width: 1200px) {
  .page-about .ab-track__item {
    flex: 1 1 0;
    min-width: 0;
    padding-right: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .ab-ring,
  .page-about .anchor-nav__link,
  .page-about .ab-partner-note a {
    transition: none;
  }
}
<<<END>>>