.page-about {
  padding-bottom: calc(var(--bar-h) + 56px);
}

.page-about .about-crumbs {
  padding-top: 18px;
}

.page-about .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-about .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

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

.page-about .breadcrumbs span[aria-current] {
  color: var(--paper);
}

/* ---------- hero ---------- */

.page-about .about-hero {
  padding: 34px 0 0;
}

.page-about .about-hero .kicker {
  margin: 0 0 20px;
  display: inline-block;
}

.page-about .about-hero h1 {
  margin: 0;
  padding-left: 18px;
  border-left: 6px solid var(--lime);
  font-size: clamp(30px, 7.4vw, 68px);
  line-height: 1.06;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--paper);
  max-width: 20ch;
}

.page-about .about-hero h1::after {
  content: "";
  display: block;
  width: 86px;
  height: 4px;
  margin-top: 22px;
  background: var(--orange);
}

.page-about .about-lead {
  margin: 26px 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 2.1vw, 18px);
  line-height: 1.78;
  color: var(--paper);
}

.page-about .about-hero-figure {
  margin-top: 38px;
}

.page-about .about-hero-figure .media-caption {
  margin-top: 10px;
}

/* ---------- 双栏主体 ---------- */

.page-about .about-body {
  margin-top: 56px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
}

@media (min-width: 980px) {
  .page-about .about-body {
    grid-template-columns: var(--rail) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .about-rail {
    position: sticky;
    top: 88px;
  }
}

.page-about .about-rail-issue {
  margin: 0 0 14px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--line);
}

.page-about .about-rail-issue .issue-no {
  font-family: var(--font-num);
  font-size: 40px;
  font-weight: 900;
  line-height: 1;
  color: var(--mist);
  letter-spacing: -.03em;
}

.page-about .about-rail-issue-label {
  font-size: 10px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-about .about-toc {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: toc;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 16px;
}

@media (min-width: 980px) {
  .page-about .about-toc {
    grid-template-columns: minmax(0, 1fr);
  }
}

.page-about .about-toc li {
  counter-increment: toc;
}

.page-about .about-toc a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--ink-2);
  transition: color .18s var(--ease), padding-left .18s var(--ease);
}

.page-about .about-toc a::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--font-num);
  font-size: 11px;
  color: var(--clay);
  letter-spacing: .04em;
}

.page-about .about-toc a:hover,
.page-about .about-toc a:focus-visible {
  color: var(--lime);
  padding-left: 6px;
}

.page-about .about-rail .note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--ink-2);
  line-height: 1.7;
}

/* ---------- 章节通用 ---------- */

.page-about .about-sec {
  margin-bottom: 72px;
}

.page-about .about-sec--last {
  margin-bottom: 0;
}

.page-about .about-sec-no {
  margin: 0 0 8px;
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .18em;
  color: var(--clay);
}

.page-about .about-sec h2 {
  margin: 0 0 20px;
  font-size: clamp(22px, 4.4vw, 34px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--paper);
  max-width: 24ch;
}

.page-about .about-sec p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper);
  max-width: 68ch;
}

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

.page-about .about-sec a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, .45);
}

.page-about .about-sec a:hover,
.page-about .about-sec a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-about .about-after {
  margin-top: 20px !important;
  padding-left: 16px;
  border-left: 2px solid var(--line);
  color: var(--muted) !important;
}

/* ---------- 规模数字 ---------- */

.page-about .about-stats {
  margin: 28px 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  background: var(--line);
  border: 2px solid var(--line);
}

@media (min-width: 760px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .about-stat {
  background: var(--ink-2);
  padding: 20px 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.page-about .about-stat-num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(26px, 4.4vw, 42px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--mist);
  -webkit-text-stroke: .6px var(--line-2);
  word-break: break-word;
}

.page-about .about-stat-num em {
  font-style: normal;
  font-size: .48em;
  margin-left: 2px;
  letter-spacing: .02em;
}

.page-about .about-stat-label {
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- 值守条目 ---------- */

.page-about .about-ops {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 2px solid var(--line);
}

.page-about .about-ops > li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--ink-2);
}

@media (min-width: 700px) {
  .page-about .about-ops > li {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

.page-about .about-ops-k {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 20px;
  font-weight: 900;
  color: var(--lime);
  letter-spacing: -.01em;
}

.page-about .about-ops-v {
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}

/* ---------- 时间线 ---------- */

.page-about .about-band-media {
  margin: 26px 0 0;
}

.page-about .about-timeline {
  list-style: none;
  margin: 30px 0 0;
  padding: 0 0 0 24px;
  border-left: 2px solid var(--line);
}

.page-about .about-tl-item {
  position: relative;
  margin-bottom: 12px;
}

.page-about .about-tl-item:last-child {
  margin-bottom: 0;
}

.page-about .about-tl-item::before {
  content: "";
  position: absolute;
  left: -33px;
  top: 20px;
  width: 12px;
  height: 12px;
  background: var(--clay);
  border: 2px solid var(--ink);
  transform: rotate(45deg);
}

.page-about .about-tl-item:has(.about-tl--current)::before {
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(200, 255, 61, .18);
}

.page-about .about-tl {
  border: 2px solid var(--line);
  background: var(--ink-2);
  box-shadow: var(--shadow);
}

.page-about .about-tl > summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 16px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  align-items: center;
  outline-offset: 3px;
}

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

.page-about .about-tl-no {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 22px;
  font-weight: 900;
  line-height: 1;
  color: var(--clay);
}

.page-about .about-tl-stage {
  display: block;
  font-size: 10px;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-about .about-tl-name {
  display: block;
  margin-top: 5px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--paper);
}

.page-about .about-tl[open] {
  border-color: var(--lime);
  box-shadow: var(--shadow-lime);
}

.page-about .about-tl[open] .about-tl-no {
  color: var(--lime);
}

.page-about .about-tl-body {
  padding: 0 16px 16px;
}

.page-about .about-tl-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 团队 ---------- */

.page-about .about-team {
  margin: 26px 0 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  background: var(--line);
  border: 2px solid var(--line);
}

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

.page-about .about-team-cell {
  background: var(--ink-2);
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-about .about-team-num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(32px, 5vw, 46px);
  font-weight: 900;
  line-height: 1;
  color: var(--orange);
  letter-spacing: -.03em;
}

.page-about .about-team-cell h3 {
  margin: 0;
  font-size: 15px;
  color: var(--paper);
}

.page-about .about-team-cell p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  max-width: none;
}

.page-about .about-team-media {
  margin-top: 26px;
}

.page-about .about-team-media .media-caption {
  margin-top: 10px;
}

/* ---------- 合作生态 ---------- */

.page-about .about-partners {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  background: var(--line);
  border: 2px solid var(--line);
}

@media (min-width: 860px) {
  .page-about .about-partners {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .about-partners > li {
  background: var(--ink-3);
  padding: 22px 20px;
}

.page-about .about-partners h3 {
  margin: 0 0 10px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--line);
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--mist);
}

.page-about .about-partners p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
  max-width: none;
}

/* ---------- 承诺 ---------- */

.page-about .about-claims {
  margin: 26px 0 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

@media (min-width: 700px) {
  .page-about .about-claims {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .about-claim {
  border: 2px solid var(--line);
  background: var(--ink-2);
  box-shadow: var(--shadow);
  padding: 18px 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-about .about-claim-num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 4.6vw, 40px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--lime);
}

.page-about .about-claim-label {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-about .about-cta {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-cta .btn {
  text-decoration: none;
  border-bottom: none;
}
<<<END>>>