.page-about {
  --about-rail: 186px;
  --about-radius: 0;
  position: relative;
  background-image:
    linear-gradient(to right, var(--c-grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--c-grid) 1px, transparent 1px);
  background-size: 26px 26px;
}

.page-about .about-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-lime);
}

.page-about .about-kicker::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--c-lime);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--c-line);
  background:
    radial-gradient(130% 100% at 96% 0%, rgba(91, 190, 63, .22), transparent 58%),
    linear-gradient(158deg, rgba(18, 26, 20, .94) 0%, rgba(7, 17, 13, .35) 62%, rgba(7, 17, 13, 0) 100%);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  right: -14%;
  bottom: -46%;
  width: 86%;
  height: 96%;
  background: linear-gradient(122deg, rgba(91, 190, 63, .18), rgba(215, 255, 63, .05) 55%, transparent 78%);
  clip-path: polygon(28% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  border-top: 1px solid var(--c-line);
  border-right: 1px solid var(--c-line);
  pointer-events: none;
}

.page-about .about-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 5vw, 44px);
  padding-block: clamp(30px, 6vw, 74px);
}

.page-about .about-hero__text h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 8vw, 58px);
  line-height: 1.06;
  letter-spacing: .01em;
  color: var(--c-bone);
  max-width: 18ch;
}

.page-about .about-hero__text .lede {
  margin: 18px 0 0;
  max-width: 52ch;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.8;
  color: var(--c-text);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .about-hero__panel {
  align-self: end;
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--c-line);
  border-top: 2px solid var(--c-kiwi);
  background: linear-gradient(180deg, rgba(18, 26, 20, .96), rgba(11, 15, 12, .82));
}

.page-about .about-hero__num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(82px, 20vw, 150px);
  line-height: .78;
  letter-spacing: -.03em;
  color: var(--c-lime);
}

.page-about .about-hero__numlabel {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--c-text-dim);
}

.page-about .about-hero__stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 20px 0 0;
  padding: 0;
  background: var(--c-line-soft);
  border-top: 1px solid var(--c-line);
}

.page-about .about-hero__stats li {
  padding: 14px 10px 0 0;
  background: transparent;
}

.page-about .about-hero__stats .num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(17px, 4.4vw, 24px);
  font-weight: 700;
  color: var(--c-kiwi);
  overflow-wrap: anywhere;
}

.page-about .about-hero__stats em {
  display: block;
  margin-top: 4px;
  font-style: normal;
  font-size: 11px;
  line-height: 1.5;
  color: var(--c-moss);
}

/* ---------- 主体布局与赛季轨道 ---------- */
.page-about .about-layout {
  display: grid;
  gap: clamp(18px, 4vw, 40px);
  padding-block: clamp(30px, 6vw, 68px);
}

.page-about .about-rail {
  position: relative;
  overflow-x: auto;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-line);
  -webkit-overflow-scrolling: touch;
}

.page-about .about-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--c-moss);
}

.page-about .about-rail__list {
  list-style: none;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.page-about .about-rail__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 7px 12px;
  border: 1px solid var(--c-line);
  font-size: 13px;
  color: var(--c-text);
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-about .about-rail__list a:hover,
.page-about .about-rail__list a:focus-visible {
  color: var(--c-lime);
  border-color: var(--c-lime);
}

.page-about .about-rail__list .num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-kiwi);
}

/* ---------- 章节 ---------- */
.page-about .about-sec {
  padding-block: clamp(26px, 4.5vw, 54px);
  border-top: 1px solid var(--c-line-soft);
}

.page-about .about-sec:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-about .about-sec h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 4.6vw, 36px);
  line-height: 1.2;
  color: var(--c-bone);
  max-width: 22ch;
}

.page-about .about-sec__lede {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-text-dim);
}

.page-about .about-split {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
  margin-top: 22px;
}

.page-about .about-split__body p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-text);
}

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

.page-about .about-figure {
  margin: 0;
  border: 1px solid var(--c-line);
  background: var(--c-seed);
  overflow: hidden;
}

.page-about .about-figure .media__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-about .about-split__media {
  aspect-ratio: 8 / 5;
}

.page-about .about-milestone-media {
  margin-top: 22px;
  aspect-ratio: 14 / 9;
  max-height: 320px;
}

.page-about .about-partner-media {
  margin-top: 18px;
  aspect-ratio: 3 / 2;
}

.page-about .media__cap {
  display: block;
  padding: 10px 14px;
  border-top: 1px solid var(--c-line-soft);
  font-family: var(--font-serif);
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-moss);
}

/* ---------- 数据条 ---------- */
.page-about .facts {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 24px 0 0;
  padding: 0;
  background: var(--c-line-soft);
  border: 1px solid var(--c-line);
}

.page-about .facts li {
  padding: 14px 16px;
  background: var(--c-seed);
}

.page-about .facts .num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(18px, 3.6vw, 22px);
  font-weight: 700;
  color: var(--c-lime);
}

.page-about .facts em {
  display: block;
  margin-top: 4px;
  font-style: normal;
  font-size: 12px;
  color: var(--c-moss);
}

/* ---------- 里程碑时间线 ---------- */
.page-about .timeline {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--c-line);
}

.page-about .timeline__list {
  list-style: none;
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
}

.page-about .timeline__item {
  position: relative;
  padding: 16px;
  border: 1px solid var(--c-line);
  background: linear-gradient(180deg, rgba(18, 26, 20, .92), rgba(11, 15, 12, .74));
}

.page-about .timeline__item::before {
  content: "";
  position: absolute;
  left: 22px;
  top: -17px;
  width: 1px;
  height: 16px;
  background: var(--c-lime);
}

.page-about .timeline__tick {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-kiwi);
}

.page-about .timeline__title {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: .02em;
  color: var(--c-bone);
}

.page-about .timeline__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-dim);
}

/* ---------- 团队 ---------- */
.page-about .about-filter {
  margin-top: 22px;
}

.page-about .about-team__count {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-moss);
}

.page-about .about-team__count .num {
  color: var(--c-lime);
}

.page-about .team-grid {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: 18px 0 0;
  padding: 0;
  background: var(--c-line-soft);
  border: 1px solid var(--c-line);
}

.page-about .team-card {
  padding: 20px;
  background: var(--c-seed);
  border-left: 2px solid transparent;
  transition: border-color .22s var(--ease), background .22s var(--ease);
}

.page-about .team-card:hover {
  border-left-color: var(--c-kiwi);
  background: var(--c-char);
}

.page-about .team-card__num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(44px, 9vw, 60px);
  line-height: .9;
  color: var(--c-kiwi);
  letter-spacing: -.02em;
}

.page-about .team-card h3 {
  margin: 10px 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: .03em;
  color: var(--c-bone);
}

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

.page-about .team-card__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--c-line-soft);
  display: grid;
  gap: 8px;
}

.page-about .team-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-moss);
}

.page-about .team-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 1px;
  background: var(--c-lime);
}

.page-about .filter-empty {
  margin: 16px 0 0;
  padding: 14px 16px;
  border: 1px dashed var(--c-line);
  font-size: 13px;
  color: var(--c-moss);
}

/* ---------- 流程 ---------- */
.page-about .flow {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
}

.page-about .flow__details {
  border: 1px solid var(--c-line);
  border-left: 2px solid var(--c-line);
  background: rgba(18, 26, 20, .74);
  transition: border-color .22s var(--ease);
}

.page-about .flow__details[open] {
  border-left-color: var(--c-kiwi);
  background: linear-gradient(180deg, rgba(27, 73, 101, .28), rgba(18, 26, 20, .9));
}

.page-about .flow__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: .03em;
  color: var(--c-bone);
}

.page-about .flow__summary::-webkit-details-marker {
  display: none;
}

.page-about .flow__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--c-lime);
}

.page-about .flow__details[open] .flow__summary::after {
  content: "–";
}

.page-about .flow__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--c-kiwi);
}

.page-about .flow__body {
  padding: 0 18px 18px;
}

.page-about .flow__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-text);
  max-width: 62ch;
}

/* ---------- 合作生态 ---------- */
.page-about .partners {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: 22px 0 0;
  padding: 0;
  background: var(--c-line-soft);
  border: 1px solid var(--c-line);
}

.page-about .partner {
  padding: 20px;
  background: var(--c-char);
  border-top: 2px solid var(--c-kiwi);
}

.page-about .partner--indigo {
  border-top-color: var(--c-indigo);
}

.page-about .partner--wine {
  border-top-color: var(--c-wine);
}

.page-about .partner__num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(38px, 8vw, 52px);
  line-height: .9;
  color: var(--c-bone);
  letter-spacing: -.02em;
}

.page-about .partner--indigo .partner__num {
  color: #7FB6D4;
}

.page-about .partner--wine .partner__num {
  color: #D08E9F;
}

.page-about .partner h3 {
  margin: 8px 0 10px;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-kiwi);
}

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

/* ---------- 覆盖 ---------- */
.page-about .coverage {
  display: grid;
  gap: 24px;
  margin-top: 22px;
}

.page-about .coverage__stats {
  display: grid;
  gap: 1px;
  background: var(--c-line-soft);
  border: 1px solid var(--c-line);
  align-self: start;
}

.page-about .coverage__stat {
  padding: 16px 18px;
  background: var(--c-seed);
}

.page-about .coverage__stat .num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 5vw, 30px);
  font-weight: 700;
  color: var(--c-lime);
}

.page-about .coverage__stat em {
  display: block;
  margin-top: 4px;
  font-style: normal;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--c-moss);
}

.page-about .coverage__body p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-text);
}

.page-about .coverage__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* ---------- 联系 ---------- */
.page-about .about-contact {
  display: grid;
  gap: 22px;
  padding: clamp(20px, 3.4vw, 34px);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-orange);
  background:
    linear-gradient(150deg, rgba(110, 31, 51, .26), rgba(11, 15, 12, .92) 58%);
}

.page-about .about-contact__intro p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-text);
  max-width: 58ch;
}

.page-about .about-contact__list {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--c-line-soft);
  border-top: 1px solid var(--c-line);
}

.page-about .about-contact__list li {
  padding: 12px 0;
  background: transparent;
}

.page-about .about-contact__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--c-moss);
  text-transform: uppercase;
}

.page-about .about-contact__value {
  display: block;
  margin-top: 5px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-bone);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-about .facts {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-about .about-hero__stats li {
    padding-right: 14px;
  }
}

@media (min-width: 700px) {
  .page-about .team-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 840px) {
  .page-about .about-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
  }

  .page-about .about-split {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-about .coverage {
    grid-template-columns: 4fr 8fr;
    gap: 34px;
  }

  .page-about .about-contact {
    grid-template-columns: 7fr 5fr;
    gap: 34px;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-about .about-layout {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    gap: clamp(30px, 4vw, 56px);
  }

  .page-about .about-rail {
    position: sticky;
    top: calc(var(--bar-h) + 28px);
    align-self: start;
    overflow: visible;
    padding: 0 0 0 16px;
    border-bottom: 0;
    border-left: 1px solid var(--c-line);
  }

  .page-about .about-rail__title {
    margin-bottom: 14px;
  }

  .page-about .about-rail__list {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    gap: 12px;
  }

  .page-about .about-rail__list a {
    padding: 0;
    border: 0;
    background: none;
  }

  .page-about .about-rail__list a:hover,
  .page-about .about-rail__list a:focus-visible {
    text-decoration: underline;
    text-decoration-color: var(--c-lime);
    text-underline-offset: 4px;
  }
}

@media (min-width: 1080px) {
  .page-about .timeline__list {
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 10px;
  }

  .page-about .timeline__item {
    padding: 14px 12px 16px;
  }

  .page-about .timeline__item:nth-child(even) {
    margin-top: 26px;
  }

  .page-about .timeline__title {
    font-size: 16px;
  }

  .page-about .timeline__desc {
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .team-card,
  .page-about .flow__details,
  .page-about .about-rail__list a {
    transition: none;
  }
}
<<<END>>>