.page-about {
  --about-border: rgba(244, 247, 242, .12);
  --about-border-strong: rgba(244, 247, 242, .22);
  --about-line: rgba(198, 255, 74, .3);
  --about-pad: 0;
  padding-bottom: 72px;
}

/* ---------- 面包屑 ---------- */
.page-about .about-hero {
  padding-top: 26px;
}

.page-about .about-hero__crumbs {
  margin-bottom: 20px;
}

.page-about .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  color: var(--moss);
}

.page-about .breadcrumb li + li::before {
  content: "/";
  margin: 0 8px;
  color: rgba(155, 184, 168, .45);
}

.page-about .breadcrumb a {
  color: var(--moss);
  text-decoration: none;
  transition: color .22s ease;
}

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

.page-about .breadcrumb [aria-current="page"] {
  color: var(--chalk);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}

.page-about .about-hero__copy {
  order: 1;
  min-width: 0;
}

.page-about .about-hero__frame {
  order: 2;
  position: relative;
  margin: 0;
  padding: 14px;
  border: 1px solid var(--about-border);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(18, 58, 48, .72), rgba(11, 27, 43, .9));
  box-shadow: var(--shadow);
}

.page-about .about-hero__frame::before,
.page-about .about-hero__frame::after {
  content: "";
  position: absolute;
  width: 24px;
  height: 24px;
  border: 2px solid var(--lime);
  opacity: .85;
  pointer-events: none;
}

.page-about .about-hero__frame::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
  border-top-left-radius: var(--radius);
}

.page-about .about-hero__frame::after {
  right: -1px;
  bottom: -1px;
  border-top: 0;
  border-left: 0;
  border-bottom-right-radius: var(--radius);
}

.page-about .about-hero__frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius) - 4px);
  object-fit: cover;
}

.page-about .about-hero__scale {
  height: 8px;
  margin-top: 12px;
  border-radius: 2px;
  background-image: repeating-linear-gradient(90deg, rgba(155, 184, 168, .45) 0 1px, transparent 1px 18px);
}

.page-about .about-hero__title {
  margin: 14px 0 18px;
  font-size: clamp(30px, 6.4vw, 54px);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--chalk);
}

.page-about .about-hero__title em {
  font-style: normal;
  color: var(--lime);
  background: linear-gradient(transparent 64%, rgba(198, 255, 74, .2) 64%);
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.page-about .about-stat {
  padding: 12px 14px;
  border: 1px solid var(--about-border);
  border-radius: 10px;
  background: rgba(11, 27, 43, .58);
  transition: border-color .25s ease, background .25s ease;
}

.page-about .about-stat:hover {
  border-color: rgba(198, 255, 74, .45);
  background: rgba(18, 58, 48, .6);
}

.page-about .about-stat__num {
  display: block;
  font-family: var(--font-num);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--lime);
}

.page-about .about-stat__label {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--moss);
}

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

/* ---------- 主体双栏 ---------- */
.page-about .about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 44px;
  margin-top: 64px;
}

.page-about .about-main {
  min-width: 0;
}

.page-about .about-section {
  margin-bottom: 68px;
  scroll-margin-top: calc(var(--top-h) + 24px);
}

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

.page-about .about-section__head {
  margin-bottom: 26px;
}

.page-about .about-section__title {
  margin: 10px 0 12px;
  font-size: clamp(23px, 3.6vw, 34px);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -.015em;
  color: var(--chalk);
}

.page-about .about-section__head .muted {
  max-width: 62ch;
  line-height: 1.8;
}

/* ---------- 起点 ---------- */
.page-about .origin-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .origin-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 16px 18px;
  border-left: 2px solid var(--lime);
  border-radius: 0 10px 10px 0;
  background: linear-gradient(90deg, rgba(198, 255, 74, .09), rgba(198, 255, 74, 0));
  transition: background .25s ease;
}

.page-about .origin-list li:hover {
  background: linear-gradient(90deg, rgba(198, 255, 74, .16), rgba(198, 255, 74, 0));
}

.page-about .origin-list b {
  font-size: 16px;
  font-weight: 750;
  color: var(--lime);
  letter-spacing: .02em;
}

.page-about .origin-list span {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 247, 242, .8);
}

/* ---------- 时间轴 ---------- */
.page-about .tl-figure {
  margin: 0 0 34px;
  padding: 12px;
  border: 1px solid var(--about-border);
  border-radius: var(--radius);
  background: rgba(11, 27, 43, .55);
}

.page-about .tl-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
  object-fit: cover;
}

.page-about .tl-figure figcaption,
.page-about .team-figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--moss);
}

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

.page-about .tl-node {
  position: relative;
  padding: 0 0 32px 40px;
  outline: none;
}

.page-about .tl-node::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 26px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--about-line), rgba(198, 255, 74, .05));
}

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

.page-about .tl-node:last-child::before {
  display: none;
}

.page-about .tl-node__marker {
  position: absolute;
  left: 0;
  top: 6px;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border: 2px solid var(--lime);
  border-radius: 50%;
  background: var(--ink);
  transition: box-shadow .3s ease, border-color .3s ease;
}

.page-about .tl-node__marker::after {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
}

.page-about .tl-node:hover .tl-node__marker,
.page-about .tl-node:focus-within .tl-node__marker {
  box-shadow: 0 0 0 6px rgba(198, 255, 74, .13), 0 0 22px rgba(198, 255, 74, .38);
}

.page-about .tl-node:focus-visible .tl-node__marker {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

.page-about .tl-node__phase {
  display: inline-block;
  padding: 2px 9px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
  border: 1px solid rgba(242, 193, 78, .35);
  border-radius: 999px;
  background: rgba(242, 193, 78, .08);
}

.page-about .tl-node__title {
  margin: 12px 0 8px;
  font-size: 19px;
  line-height: 1.4;
  font-weight: 750;
  color: var(--chalk);
}

.page-about .tl-node__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 247, 242, .8);
}

.page-about .tl-node__more {
  display: grid;
  grid-template-rows: 1fr;
  transition: grid-template-rows .34s ease;
}

.page-about .tl-node__more > div {
  overflow: hidden;
}

.page-about .tl-node__more p {
  margin: 12px 0 0;
  padding-left: 12px;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--moss);
  border-left: 2px solid rgba(77, 225, 193, .45);
}

/* ---------- 团队 ---------- */
.page-about .team-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

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

.page-about .role-item {
  padding: 14px 16px;
  border: 1px solid var(--about-border);
  border-radius: 10px;
  background: rgba(11, 27, 43, .52);
  transition: border-color .25s ease, background .25s ease, transform .25s ease;
}

.page-about .role-item:hover {
  border-color: rgba(77, 225, 193, .5);
  background: rgba(18, 58, 48, .55);
  transform: translateY(-2px);
}

.page-about .role-item h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 750;
  color: var(--chalk);
}

.page-about .role-item h3 span {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-about .role-item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--moss);
}

.page-about .team-note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
}

.page-about .team-figure {
  margin: 0;
  padding: 12px;
  border: 1px solid var(--about-border);
  border-radius: var(--radius);
  background: rgba(11, 27, 43, .55);
}

.page-about .team-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
  object-fit: cover;
}

/* ---------- 版本 ---------- */
.page-about .version-board {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-about .version-cell {
  position: relative;
  overflow: hidden;
  padding: 20px;
  border: 1px solid var(--about-border-strong);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(18, 58, 48, .78), rgba(11, 27, 43, .92));
  transition: border-color .25s ease, transform .25s ease;
}

.page-about .version-cell::after {
  content: "";
  position: absolute;
  top: -34px;
  right: -34px;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(198, 255, 74, .17), transparent 68%);
  pointer-events: none;
}

.page-about .version-cell:hover {
  border-color: rgba(198, 255, 74, .5);
  transform: translateY(-3px);
}

.page-about .version-cell__num {
  display: block;
  font-family: var(--font-num);
  font-size: 27px;
  font-weight: 700;
  letter-spacing: -.03em;
  color: var(--lime);
}

.page-about .version-cell__label {
  display: block;
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--moss);
}

.page-about .version-cell--gold::after {
  background: radial-gradient(circle, rgba(242, 193, 78, .2), transparent 68%);
}

.page-about .version-cell--gold .version-cell__num {
  color: var(--gold);
}

.page-about .version-cell--cyan::after {
  background: radial-gradient(circle, rgba(77, 225, 193, .2), transparent 68%);
}

.page-about .version-cell--cyan .version-cell__num {
  color: var(--cyan);
}

.page-about .version-foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.9;
}

.page-about .text-link {
  position: relative;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 74, .35);
  transition: border-color .25s ease;
}

.page-about .text-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 0;
  height: 1px;
  background: var(--lime);
  transition: width .3s ease;
}

.page-about .text-link:hover::after,
.page-about .text-link:focus-visible::after {
  width: 100%;
}

/* ---------- 运营信息 ---------- */
.page-about .ops-frame {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px 28px;
  padding: 26px;
  border: 1px solid var(--about-border-strong);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(18, 58, 48, .62), rgba(11, 27, 43, .9));
}

.page-about .ops-frame::before {
  content: "";
  position: absolute;
  left: 26px;
  right: 26px;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--lime), rgba(198, 255, 74, 0) 62%);
}

.page-about .ops-item {
  min-width: 0;
  padding: 12px 14px;
  border: 1px solid rgba(244, 247, 242, .09);
  border-radius: 10px;
  background: rgba(7, 26, 22, .5);
  transition: border-color .25s ease, background .25s ease;
}

.page-about .ops-item:hover {
  border-color: rgba(198, 255, 74, .45);
  background: rgba(18, 58, 48, .6);
}

.page-about .ops-item--icp {
  border-color: rgba(242, 193, 78, .32);
}

.page-about .ops-item__label {
  display: block;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--moss);
}

.page-about .ops-item__value {
  margin: 7px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--chalk);
  word-break: break-word;
}

.page-about .ops-item--icp .ops-item__value {
  font-weight: 700;
  color: var(--gold);
}

.page-about .ops-item__note {
  margin: 6px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--moss);
}

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

/* ---------- 侧栏 ---------- */
.page-about .about-aside {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-about .aside-toc {
  padding: 16px 16px 8px;
  border: 1px solid var(--about-border);
  border-radius: var(--radius);
  background: rgba(11, 27, 43, .62);
}

.page-about .aside-toc__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--moss);
}

.page-about .aside-toc ol {
  counter-reset: toc;
  list-style: none;
  margin: 0;
  padding: 0;
}

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

.page-about .aside-toc a {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--chalk);
  text-decoration: none;
  border-bottom: 1px dashed rgba(244, 247, 242, .1);
  transition: color .22s ease;
}

.page-about .aside-toc li:last-child a {
  border-bottom: 0;
}

.page-about .aside-toc a::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--font-num);
  font-size: 11px;
  color: var(--lime);
}

.page-about .aside-toc a:hover,
.page-about .aside-toc a:focus-visible {
  color: var(--lime);
}

.page-about .aside-card {
  padding: 16px;
  border: 1px solid var(--about-border);
  border-radius: var(--radius);
  background: var(--glass);
  transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}

.page-about .aside-card:hover {
  border-color: rgba(198, 255, 74, .5);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, .4);
}

.page-about .aside-card__label {
  display: block;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--moss);
}

.page-about .aside-card__value {
  display: block;
  margin-top: 6px;
  font-family: var(--font-num);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--gold);
  word-break: break-word;
}

.page-about .aside-card__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--moss);
}

.page-about .aside-card--filing {
  border-color: rgba(242, 193, 78, .3);
  background: linear-gradient(150deg, rgba(18, 58, 48, .72), rgba(11, 27, 43, .9));
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-about .about-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-about .origin-list li {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }
}

@media (min-width: 760px) {
  .page-about .team-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: start;
    gap: 28px;
  }

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

  .page-about .ops-frame {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 30px;
  }

  .page-about .ops-item--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    gap: 48px;
  }

  .page-about .about-hero__frame {
    order: 1;
  }

  .page-about .about-hero__copy {
    order: 2;
  }
}

@media (min-width: 1024px) {
  .page-about .about-layout {
    grid-template-columns: minmax(0, 1fr) 316px;
    gap: 56px;
    align-items: start;
  }

  .page-about .about-aside {
    position: sticky;
    top: calc(var(--top-h) + 20px);
  }

  .page-about .tl-node__more {
    grid-template-rows: 0fr;
  }

  .page-about .tl-node:hover .tl-node__more,
  .page-about .tl-node:focus-within .tl-node__more {
    grid-template-rows: 1fr;
  }
}
<<<END>>>