.page-about {
  --about-gap: clamp(16px, 3vw, 28px);
  --about-pad-y: clamp(52px, 9vw, 108px);
  --about-line: rgba(36, 48, 79, 0.9);
  --about-gold-glow: rgba(255, 194, 75, 0.5);
  --about-cyan-glow: rgba(53, 230, 210, 0.34);
  display: block;
  background: var(--starfield-900);
  color: var(--ink-white);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-about .shell {
  width: 100%;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: clamp(28px, 6vw, 56px) 0 clamp(40px, 7vw, 78px);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -14%;
  right: -12%;
  width: min(620px, 78vw);
  aspect-ratio: 1 / 1;
  background:
    radial-gradient(circle at 50% 50%, var(--about-cyan-glow) 0%, rgba(53, 230, 210, 0) 58%),
    radial-gradient(circle at 68% 32%, var(--about-gold-glow) 0%, rgba(255, 194, 75, 0) 42%);
  opacity: 0.5;
  pointer-events: none;
}

.page-about .crumbs {
  position: relative;
  z-index: 1;
  margin-bottom: clamp(20px, 4vw, 34px);
}

.page-about .about-hero .eyebrow {
  position: relative;
  z-index: 1;
}

.page-about .about-hero h1 {
  position: relative;
  z-index: 1;
  margin: clamp(14px, 2.4vw, 22px) 0 0;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 62px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  max-width: 20ch;
}

.page-about .about-hero .lede {
  position: relative;
  z-index: 1;
  margin: clamp(18px, 3vw, 28px) 0 0;
  max-width: 58ch;
  color: var(--mist-gray);
  font-size: 17px;
}

.page-about .hero-stats {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(18px, 4vw, 52px);
  margin-top: clamp(28px, 5vw, 46px);
  padding-top: clamp(18px, 3vw, 28px);
  border-top: 1px solid var(--about-line);
}

.page-about .stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.page-about .stat-num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 3.2vw, 30px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--star-gold);
}

.page-about .stat-label {
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--mist-gray);
}

/* ---------- 时间线 ---------- */
.page-about .about-timeline {
  padding: var(--about-pad-y) 0;
  border-top: 1px solid var(--about-line);
}

.page-about .about-timeline .prose {
  max-width: 56ch;
  color: var(--mist-gray);
}

.page-about .tl {
  position: relative;
  margin: clamp(28px, 5vw, 50px) 0 0;
  padding: 4px 0 4px 34px;
  list-style: none;
  display: grid;
  gap: clamp(26px, 4.4vw, 46px);
}

.page-about .tl::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--aurora-cyan) 0%, var(--panel-line) 24%, var(--panel-line) 100%);
}

.page-about .tl-item {
  position: relative;
}

.page-about .tl-item::before {
  content: "";
  position: absolute;
  left: -34px;
  top: 11px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--starfield-900);
  border: 1px solid var(--star-gold);
  box-shadow: 0 0 0 4px var(--starfield-900);
  transition: box-shadow 0.16s var(--ease);
}

.page-about .tl-item:hover::before,
.page-about .tl-item:focus-within::before {
  box-shadow: 0 0 0 4px var(--starfield-900), 0 0 14px var(--about-gold-glow);
}

.page-about .tl-year {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 4.6vw, 38px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--star-gold);
}

.page-about .tl-title {
  margin: 12px 0 6px;
  font-family: var(--font-heading);
  font-size: clamp(18px, 2.4vw, 23px);
  font-weight: 800;
  color: var(--ink-white);
}

.page-about .tl-text {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  color: var(--mist-gray);
}

.page-about .tl-note {
  margin: 10px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--aurora-cyan);
  max-width: 50ch;
  font-size: 14px;
  color: var(--mist-gray);
}

/* ---------- 全宽图 ---------- */
.page-about .about-wide {
  padding: clamp(10px, 3vw, 30px) 0;
}

.page-about .wide-figure {
  position: relative;
  margin: 0;
  background: var(--nebula-800);
  clip-path: polygon(0 3%, 100% 0, 100% 97%, 0 100%);
}

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

.page-about .wide-figure--a img {
  aspect-ratio: 7 / 4;
}

.page-about .wide-figure--b img {
  aspect-ratio: 16 / 7;
  clip-path: polygon(0 0, 100% 4%, 100% 100%, 0 96%);
}

.page-about .wide-figure figcaption {
  position: absolute;
  left: clamp(14px, 3vw, 40px);
  bottom: clamp(14px, 3vw, 34px);
  margin: 0;
  padding: 6px 14px;
  max-width: min(90%, 44ch);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-white);
  background: rgba(6, 11, 31, 0.72);
  border-left: 2px solid var(--aurora-cyan);
}

/* ---------- 团队分工 ---------- */
.page-about .about-team {
  padding: var(--about-pad-y) 0;
}

.page-about .about-team .prose {
  max-width: 58ch;
  color: var(--mist-gray);
}

.page-about .team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--about-gap);
  margin-top: clamp(28px, 5vw, 46px);
}

.page-about .team-card {
  padding: clamp(20px, 3vw, 30px);
  background: linear-gradient(165deg, var(--nebula-800) 0%, var(--starfield-900) 100%);
  border: 1px solid var(--about-line);
  transition: border-color 0.16s var(--ease), transform 0.16s var(--ease);
}

.page-about .team-card:hover {
  border-color: var(--aurora-cyan);
  transform: translateY(-3px);
}

.page-about .team-idx {
  display: inline-block;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--about-line);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--aurora-cyan);
}

.page-about .team-card h3 {
  margin: 14px 0 8px;
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 800;
}

.page-about .team-card > p {
  margin: 0;
  font-size: 15px;
  color: var(--mist-gray);
}

.page-about .team-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-about .team-list li {
  position: relative;
  padding-left: 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--ink-white);
}

.page-about .team-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 1px;
  background: var(--star-gold);
}

/* ---------- 赛事覆盖 ---------- */
.page-about .about-coverage {
  padding: var(--about-pad-y) 0;
  background:
    linear-gradient(200deg, var(--nebula-800) 0%, var(--starfield-900) 62%);
  border-top: 1px solid var(--about-line);
  border-bottom: 1px solid var(--about-line);
}

.page-about .about-coverage .prose {
  max-width: 58ch;
  color: var(--mist-gray);
}

.page-about .coverage-groups {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--about-gap);
  margin-top: clamp(28px, 5vw, 46px);
}

.page-about .cov-group {
  padding: clamp(18px, 3vw, 26px);
  background: rgba(6, 11, 31, 0.62);
  border: 1px solid var(--about-line);
  border-top: 2px solid var(--panel-line);
  transition: border-color 0.16s var(--ease);
}

.page-about .cov-group:hover {
  border-color: var(--aurora-cyan);
}

.page-about .cov-group--football {
  border-top-color: var(--star-gold);
}

.page-about .cov-group--basketball {
  border-top-color: var(--aurora-cyan);
}

.page-about .cov-group--misc {
  border-top-color: var(--orbit-blue);
}

.page-about .cov-title {
  margin: 0 0 4px;
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 800;
}

.page-about .cov-count {
  display: block;
  margin-bottom: 16px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist-gray);
}

.page-about .cov-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .cov-tags .tag {
  font-size: 13px;
  cursor: default;
}

.page-about .cov-note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--about-line);
  font-size: 13px;
  color: var(--mist-gray);
}

/* ---------- 速读流程 ---------- */
.page-about .about-flow {
  padding: var(--about-pad-y) 0;
}

.page-about .flow-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 46px);
  align-items: start;
}

.page-about .flow-copy .prose {
  max-width: 52ch;
  color: var(--mist-gray);
}

.page-about .flow-steps {
  margin: clamp(20px, 3.4vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
  counter-reset: flow;
}

.page-about .flow-steps li {
  position: relative;
  padding-left: 44px;
  font-size: 15px;
  color: var(--mist-gray);
}

.page-about .flow-steps li::before {
  counter-increment: flow;
  content: "0" counter(flow);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--aurora-cyan);
}

.page-about .flow-figure {
  margin: 0;
  padding: 10px;
  background: var(--nebula-800);
  border: 1px solid var(--about-line);
  clip-path: polygon(0 0, 100% 5%, 100% 100%, 0 95%);
}

.page-about .flow-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

/* ---------- 内容规范 ---------- */
.page-about .about-standards {
  padding: var(--about-pad-y) 0;
  border-top: 1px solid var(--about-line);
}

.page-about .std-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--about-gap);
  margin-top: clamp(28px, 5vw, 46px);
}

.page-about .std-card {
  padding: clamp(18px, 3vw, 26px);
  background: var(--nebula-800);
  transition: border-color 0.16s var(--ease);
}

.page-about .std-card:hover {
  border-color: var(--aurora-cyan);
}

.page-about .std-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 800;
}

.page-about .std-card p {
  margin: 0;
  font-size: 15px;
  color: var(--mist-gray);
}

/* ---------- 协作与认可 ---------- */
.page-about .about-partners {
  padding: var(--about-pad-y) 0;
  background: linear-gradient(180deg, var(--starfield-900) 0%, var(--nebula-800) 100%);
}

.page-about .about-partners .prose {
  max-width: 58ch;
  color: var(--mist-gray);
}

.page-about .partner-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--about-gap);
  margin: clamp(26px, 4vw, 42px) 0;
}

.page-about .partner-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 14px;
  border-top: 1px solid var(--star-gold);
}

.page-about .partner-num {
  font-size: clamp(26px, 4.4vw, 40px);
  font-weight: 700;
  line-height: 1;
  color: var(--star-gold);
}

.page-about .partner-label {
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--mist-gray);
}

.page-about .partner-cta-text {
  margin-bottom: 18px;
}

/* ---------- 收尾 ---------- */
.page-about .about-cta {
  padding: clamp(40px, 7vw, 88px) 0 clamp(48px, 8vw, 100px);
}

.page-about .cta-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3.4vw, 36px);
  padding: clamp(24px, 4vw, 48px);
  background:
    linear-gradient(140deg, var(--deep-violet) 0%, var(--nebula-800) 46%, var(--starfield-900) 100%);
  border: 1px solid var(--about-line);
}

.page-about .cta-copy h2 {
  margin: 12px 0 10px;
  font-family: var(--font-heading);
  font-size: clamp(22px, 3.4vw, 34px);
  font-weight: 900;
  line-height: 1.2;
}

.page-about .cta-copy p {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  color: var(--mist-gray);
}

.page-about .cta-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
}

.page-about .link-quiet {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--aurora-cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.16s var(--ease);
}

.page-about .link-quiet:hover,
.page-about .link-quiet:focus-visible {
  border-bottom-color: var(--aurora-cyan);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-about .std-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about .team-grid {
    grid-template-columns: 1.12fr 1fr 0.92fr;
    align-items: start;
  }

  .page-about .team-card:nth-child(2) {
    margin-top: 34px;
  }

  .page-about .team-card:nth-child(3) {
    margin-top: 68px;
  }

  .page-about .coverage-groups {
    grid-template-columns: 1.3fr 1fr 1fr;
  }

  .page-about .flow-layout {
    grid-template-columns: 1.06fr 1fr;
  }

  .page-about .about-flow .flow-figure {
    margin-top: 26px;
  }

  .page-about .cta-panel {
    grid-template-columns: 1.5fr 1fr;
    align-items: center;
  }

  .page-about .cta-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1180px) {
  .page-about .about-hero {
    padding-top: clamp(36px, 5vw, 64px);
  }

  .page-about .about-hero h1 {
    max-width: 22ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .team-card,
  .page-about .std-card,
  .page-about .tl-item::before,
  .page-about .cov-group,
  .page-about .link-quiet {
    transition: none;
  }

  .page-about .team-card:hover {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>