.page-about {
  --about-text: #c4cedd;
  --about-gap: 14px;
}

.page-about img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-about [data-spy] {
  scroll-margin-top: 120px;
}

/* ============ 首屏 ============ */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: 124px 0 56px;
  background: var(--ink);
  border-bottom: var(--bw-thick) solid var(--panel);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(114deg, var(--panel) 0%, var(--panel) 52%, var(--moss) 52%, var(--moss) 100%);
  opacity: 0.86;
  z-index: 0;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--cyan) 0 34%, var(--green) 34% 62%, var(--coral) 62% 100%);
  z-index: 2;
}

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

.page-about .about-hero .breadcrumb {
  margin-bottom: 22px;
}

.page-about .about-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5.2vw, 3.5rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ivory);
  margin: 14px 0 0;
  max-width: 18ch;
  overflow-wrap: break-word;
}

.page-about .about-hero .lede {
  max-width: 64ch;
  margin: 22px 0 0;
  font-size: 1.0625rem;
  line-height: 1.9;
  color: var(--about-text);
}

.page-about .hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .hero-chip {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 18px;
  background: rgba(7, 11, 24, 0.76);
  border: var(--bw) solid var(--line-strong);
  box-shadow: var(--shadow-hard);
}

.page-about .hero-chip__k {
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-about .hero-chip__v {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--cyan);
}

/* ============ 数据带 ============ */
.page-about .metric-rail {
  background: var(--ink);
  padding: 0 0 8px;
}

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

.page-about .metric-rail__item {
  background: var(--panel);
  padding: 20px 16px 22px;
}

.page-about .metric-rail__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.75rem, 4.4vw, 2.6rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--cyan);
}

.page-about .metric-rail__item:nth-child(even) .metric-rail__num {
  color: var(--coral);
}

.page-about .metric-rail__label {
  display: block;
  margin-top: 10px;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ============ 主体骨架 ============ */
.page-about .about-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  padding-top: 52px;
  padding-bottom: 72px;
}

/* ============ 目录 ============ */
.page-about .about-toc {
  position: static;
  border: var(--bw) solid var(--line);
  background: var(--panel);
  padding: 16px;
}

.page-about .about-toc .toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-about .about-toc .toc__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-about .about-toc .toc__list::-webkit-scrollbar {
  display: none;
}

.page-about .about-toc .toc__link {
  display: block;
  white-space: nowrap;
  padding: 8px 12px;
  border: var(--bw) solid var(--line);
  font-size: 0.875rem;
  color: var(--mist);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-about .about-toc .toc__link:hover,
.page-about .about-toc .toc__link:focus-visible {
  color: var(--ivory);
  border-color: var(--cyan);
}

.page-about .about-toc .toc__link[aria-current="true"] {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(69, 224, 255, 0.07);
}

/* ============ 章节 ============ */
.page-about .about-chapter {
  padding-top: 46px;
}

.page-about .about-chapter + .about-chapter {
  margin-top: 46px;
  border-top: var(--bw) solid var(--line);
}

.page-about .chapter-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 2.25rem;
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--coral);
  margin-bottom: 10px;
}

.page-about .chapter-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.375rem, 3.4vw, 2rem);
  line-height: 1.36;
  color: var(--ivory);
  margin: 0;
  overflow-wrap: break-word;
}

.page-about .chapter-lead {
  margin: 18px 0 0;
  max-width: 70ch;
  font-size: 1rem;
  line-height: 1.95;
  color: var(--about-text);
}

.page-about .about-chapter p {
  line-height: 1.95;
  color: var(--about-text);
}

.page-about .about-chapter h3 {
  font-family: var(--font-display);
  color: var(--ivory);
}

/* ============ 分栏 ============ */
.page-about .split {
  display: grid;
  gap: 24px;
  margin-top: 26px;
}

.page-about .split__main p {
  margin: 0 0 16px;
  font-size: 0.9688rem;
}

.page-about .fact-card {
  border: var(--bw) solid var(--line-strong);
  background: linear-gradient(160deg, var(--moss) 0%, var(--panel) 100%);
  padding: 22px 20px;
  box-shadow: var(--shadow-hard);
}

.page-about .fact-card__title {
  margin: 0 0 14px;
  font-size: 1.0625rem;
  line-height: 1.5;
}

.page-about .fact-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-about .fact-card__list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .fact-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 8px;
  height: 2px;
  background: var(--green);
}

.page-about .fact-card__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: var(--bw) solid var(--line);
  font-size: 0.8125rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ============ 图 ============ */
.page-about .about-figure {
  margin: 28px 0 0;
  border: var(--bw) solid var(--line-strong);
  background: var(--moss);
  box-shadow: var(--shadow-hard);
}

.page-about .about-figure img {
  width: 100%;
  object-fit: cover;
}

.page-about .about-figure .media-frame__caption {
  padding: 12px 16px;
  border-top: var(--bw) solid var(--line);
  font-size: 0.8125rem;
  color: var(--mist);
}

/* ============ 四步流程 ============ */
.page-about .step-rail {
  display: grid;
  gap: 14px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .step-rail__item {
  position: relative;
  border: var(--bw) solid var(--line-strong);
  background: var(--panel);
  padding: 20px 18px 22px;
  box-shadow: var(--shadow-hard);
}

.page-about .step-rail__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-about .step-rail__title {
  margin: 10px 0 8px;
  font-size: 1.1875rem;
  line-height: 1.4;
}

.page-about .step-rail__text {
  margin: 0;
  font-size: 0.9063rem;
  line-height: 1.85;
  color: var(--mist);
}

/* ============ 团队 ============ */
.page-about .team-grid {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.page-about .team-card {
  border: var(--bw) solid var(--line-strong);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
  transition: border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.page-about .team-card:hover {
  border-color: var(--cyan-line);
  transform: translateY(-4px);
}

.page-about .team-card[open] {
  border-color: var(--cyan);
}

.page-about .team-card__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-about .team-card__head::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}

.page-about .team-card[open] .team-card__head::after {
  content: "–";
}

.page-about .team-card__ico {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: var(--bw) solid var(--cyan-line);
  background: var(--moss);
  color: var(--cyan);
}

.page-about .team-card__ico svg {
  width: 20px;
  height: 20px;
}

.page-about .team-card__name {
  display: block;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  line-height: 1.4;
  color: var(--ivory);
}

.page-about .team-card__count {
  display: block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--coral);
}

.page-about .team-card__body {
  padding: 0 16px 18px;
  border-top: var(--bw) solid var(--line);
}

.page-about .team-card__duty {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-about .team-card__duty li {
  position: relative;
  padding-left: 16px;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .team-card__duty li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--green);
}

/* ============ 时间轴 ============ */
.page-about .timeline-shell {
  display: grid;
  gap: 28px;
  margin-top: 30px;
}

.page-about .timeline-aside {
  margin: 0;
  border: var(--bw) solid var(--line-strong);
  background: var(--moss);
  box-shadow: var(--shadow-hard);
}

.page-about .timeline-aside img {
  width: 100%;
  object-fit: cover;
}

.page-about .timeline-aside figcaption {
  padding: 12px 14px;
  border-top: var(--bw) solid var(--line);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 28px;
  list-style: none;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--green) 55%, var(--coral) 100%);
  opacity: 0.55;
}

.page-about .timeline__item {
  position: relative;
  padding-bottom: 22px;
}

.page-about .timeline__item:last-child {
  padding-bottom: 0;
}

.page-about .timeline__item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 7px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--cyan);
}

.page-about .timeline__item--now::before {
  border-color: var(--coral);
  background: var(--coral);
}

.page-about .timeline__year {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-about .timeline__item--now .timeline__year {
  color: var(--coral);
}

.page-about .timeline__card {
  margin-top: 8px;
  border: var(--bw) solid var(--line-strong);
  background: var(--panel);
  padding: 14px 16px 16px;
  transition: border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.page-about .timeline__item:hover .timeline__card,
.page-about .timeline__item:focus-within .timeline__card {
  border-color: var(--cyan);
  transform: translateY(-3px);
}

.page-about .timeline__item--now .timeline__card {
  border-color: rgba(255, 107, 74, 0.5);
}

.page-about .timeline__title {
  margin: 0 0 6px;
  font-size: 1.0625rem;
  line-height: 1.45;
}

.page-about .timeline__text {
  margin: 0;
  font-size: 0.9063rem;
  line-height: 1.85;
  color: var(--mist);
}

/* ============ 合作 ============ */
.page-about .partner-grid {
  display: grid;
  gap: 24px;
  margin-top: 28px;
}

.page-about .partner-figure {
  margin: 0;
  border: var(--bw) solid var(--line-strong);
  background: var(--moss);
  box-shadow: var(--shadow-hard);
}

.page-about .partner-figure img {
  width: 100%;
  object-fit: cover;
}

.page-about .partner-copy p {
  margin: 0 0 16px;
  font-size: 0.9688rem;
}

.page-about .partner-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-strong);
  border: var(--bw) solid var(--line-strong);
  margin: 22px 0;
}

.page-about .partner-stat {
  background: var(--panel);
  padding: 16px 12px;
  text-align: center;
}

.page-about .partner-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.5rem, 4vw, 2rem);
  line-height: 1;
  color: var(--green);
}

.page-about .partner-stat__label {
  display: block;
  margin-top: 8px;
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-about .partner-note {
  font-size: 0.875rem;
  color: var(--mist);
}

.page-about .inline-link {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-about .inline-link:hover,
.page-about .inline-link:focus-visible {
  color: var(--ivory);
}

/* ============ 统计表 ============ */
.page-about .about-table-wrap {
  margin-top: 24px;
  border: var(--bw) solid var(--line-strong);
  background: var(--panel);
  overflow-x: auto;
}

.page-about .about-table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
}

.page-about .about-table__caption {
  padding: 14px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
  border-bottom: var(--bw) solid var(--line);
  background: var(--moss);
}

.page-about .about-table th,
.page-about .about-table td {
  padding: 13px 16px;
  text-align: left;
  font-size: 0.9063rem;
  border-bottom: var(--bw) solid var(--line);
}

.page-about .about-table thead th {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--green);
  background: rgba(10, 33, 29, 0.7);
}

.page-about .about-table tbody th {
  color: var(--ivory);
  font-weight: 600;
}

.page-about .about-table tbody td {
  font-family: var(--font-mono);
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-about .about-table tbody tr:last-child th,
.page-about .about-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-about .about-table tbody tr:hover {
  background: rgba(69, 224, 255, 0.05);
}

.page-about .about-table__note {
  margin: 18px 0 0;
  font-size: 0.9063rem;
  line-height: 1.9;
  color: var(--mist);
}

/* ============ 回放条 ============ */
.page-about .replay-band {
  display: grid;
  gap: 18px;
  margin-top: 28px;
  padding: 22px 20px;
  border: var(--bw) solid var(--amber);
  background: linear-gradient(100deg, rgba(245, 185, 66, 0.1) 0%, rgba(15, 27, 54, 0) 62%), var(--panel);
  box-shadow: var(--shadow-hard);
}

.page-about .replay-band__figure {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-about .replay-band__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2.5rem, 8vw, 3.5rem);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--amber);
}

.page-about .replay-band__unit {
  font-size: 1rem;
  color: var(--mist);
}

.page-about .replay-band__title {
  margin: 0 0 10px;
  font-size: 1.125rem;
  line-height: 1.45;
}

.page-about .replay-band__copy p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.9;
  color: var(--about-text);
}

/* ============ 结尾动作 ============ */
.page-about .next-actions {
  display: grid;
  gap: 18px;
  margin-top: 44px;
  padding: 26px 22px;
  border: var(--bw) solid var(--line-strong);
  background: linear-gradient(135deg, var(--moss) 0%, var(--panel) 100%);
  box-shadow: var(--shadow-hard);
}

.page-about .next-actions__text {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--ivory);
}

.page-about .next-actions__btns {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ============ 中屏 ============ */
@media (min-width: 720px) {
  .page-about .metric-rail__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-about .split {
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
    align-items: start;
    gap: 30px;
  }

  .page-about .replay-band {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 28px;
  }

  .page-about .next-actions {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

/* ============ 宽屏 ============ */
@media (min-width: 860px) {
  .page-about .step-rail {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }

  .page-about .step-rail__item {
    margin-right: 18px;
  }

  .page-about .step-rail__item:last-child {
    margin-right: 0;
  }

  .page-about .step-rail__item::after {
    content: "\2192";
    position: absolute;
    right: -14px;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-mono);
    font-size: 0.9375rem;
    color: var(--cyan);
    line-height: 1;
  }

  .page-about .step-rail__item:last-child::after {
    display: none;
  }

  .page-about .partner-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
    gap: 32px;
  }
}

@media (min-width: 1000px) {
  .page-about .about-body {
    grid-template-columns: 218px minmax(0, 1fr);
    gap: 52px;
  }

  .page-about .about-toc {
    position: sticky;
    top: 116px;
    align-self: start;
  }

  .page-about .about-toc .toc__list {
    display: grid;
    gap: 6px;
    overflow-x: visible;
    padding-bottom: 0;
  }

  .page-about .about-toc .toc__link {
    white-space: normal;
    border-left: var(--bw) solid transparent;
    border-top: 0;
    border-right: 0;
    border-bottom: 0;
    padding: 7px 10px;
  }

  .page-about .timeline-shell {
    grid-template-columns: 268px minmax(0, 1fr);
    align-items: start;
    gap: 36px;
  }

  .page-about .team-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
</｜｜DSML｜｜ parameter>
</invoke>
</result>