.page-about {
  --about-scan: rgba(61, 245, 230, 0.045);
  --about-gridline: rgba(243, 240, 232, 0.06);
  --about-radius: 2px;
}

.page-about .about-crumb {
  padding-block: 18px 6px;
  font-size: 13px;
  color: var(--rock);
}

.page-about .about-crumb a {
  color: var(--cyan);
  text-decoration: none;
}

.page-about .about-crumb a:hover {
  text-decoration: underline;
}

.page-about .about-crumb span[aria-hidden="true"] {
  margin-inline: 8px;
  color: var(--rock);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding-block: clamp(20px, 4vw, 44px) clamp(40px, 6vw, 76px);
  background-image:
    repeating-linear-gradient(0deg, var(--about-scan) 0 1px, transparent 1px 5px),
    radial-gradient(120% 90% at 90% 0%, rgba(139, 92, 246, 0.18), transparent 62%);
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-about .about-kicker {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about .about-hero__title {
  margin: 0 0 20px;
  font-size: clamp(2.1rem, 7.4vw, 4.4rem);
  line-height: 1.06;
}

.page-about .about-hero__lede {
  max-width: 54ch;
  color: rgba(243, 240, 232, 0.86);
}

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

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 30px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-about .about-hero__facts div {
  padding-right: 10px;
}

.page-about .about-hero__facts dt {
  font-size: 12px;
  color: var(--rock);
  margin-bottom: 6px;
}

.page-about .about-hero__facts dd {
  margin: 0;
  font-size: 14px;
  color: var(--bone);
}

.page-about .about-hero__facts .meter {
  color: var(--cyan);
  font-size: 22px;
  margin-right: 4px;
}

/* 控制台面板 */
.page-about .about-console {
  position: relative;
  padding: 0;
  overflow: hidden;
  background: linear-gradient(160deg, rgba(14, 23, 48, 0.94), rgba(7, 11, 24, 0.96));
  border: 1px solid var(--glass-line);
  border-radius: var(--about-radius);
  box-shadow: 0 24px 60px -32px rgba(61, 245, 230, 0.45);
}

.page-about .about-console::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.03) 0 1px, transparent 1px 4px);
}

.page-about .about-console__bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--rock);
  text-transform: uppercase;
}

.page-about .about-console__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--moss);
  box-shadow: 0 0 10px var(--moss);
}

.page-about .about-console__body {
  padding: 18px 16px 22px;
}

.page-about .about-console__lead {
  margin: 0 0 16px;
  font-size: 15px;
  color: var(--bone);
}

.page-about .about-console__lights {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-console__lights li {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: rgba(243, 240, 232, 0.04);
  border-left: 2px solid var(--line);
}

.page-about .about-light {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.page-about .about-light--cyan {
  background: var(--cyan);
  box-shadow: 0 0 9px var(--cyan);
}

.page-about .about-light--violet {
  background: var(--violet);
  box-shadow: 0 0 9px var(--violet);
}

.page-about .about-light--moss {
  background: var(--moss);
  box-shadow: 0 0 9px var(--moss);
}

.page-about .about-console__name {
  font-size: 14px;
  color: var(--bone);
}

.page-about .about-console__state {
  font-size: 11px;
  color: var(--rock);
  letter-spacing: 0.08em;
}

.page-about .about-console__strip {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 12px 0;
  border-top: 1px dashed var(--line);
}

.page-about .about-console__stripkey {
  font-size: 11px;
  color: var(--rock);
  min-width: 62px;
}

.page-about .about-console__stripnum {
  font-size: 28px;
  color: var(--magenta);
  line-height: 1;
}

.page-about .about-console__striptext {
  font-size: 12px;
  color: rgba(243, 240, 232, 0.72);
}

/* ---------- 章节轨道 ---------- */
.page-about .about-track {
  border-block: 1px solid var(--line);
  background: var(--night);
}

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

.page-about .about-track__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 13px 14px;
  white-space: nowrap;
  font-size: 13px;
  color: rgba(243, 240, 232, 0.78);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 140ms ease, border-color 140ms ease;
}

.page-about .about-track__link .mono {
  font-size: 11px;
  color: var(--violet);
}

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

/* ---------- 通用小节头 ---------- */
.page-about .about-head {
  margin-bottom: clamp(22px, 3vw, 38px);
}

.page-about .about-eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-about .section-head__title {
  max-width: 22ch;
  color: var(--bone);
}

.page-about .about-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 245, 230, 0.5);
}

.page-about .about-link:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 起点 ---------- */
.page-about .about-origin__grid {
  display: grid;
  gap: 26px;
}

.page-about .about-origin__prose p {
  margin-top: 0;
  color: rgba(243, 240, 232, 0.84);
}

.page-about .about-origin__card {
  padding: 22px 20px;
  background: rgba(14, 23, 48, 0.86);
  border: 1px solid var(--glass-line);
  border-radius: var(--about-radius);
}

.page-about .about-origin__cardtitle {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--violet);
  text-transform: uppercase;
}

.page-about .about-origin__rules {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-origin__rules li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 15px;
  color: var(--bone);
}

.page-about .about-origin__rules .mono {
  color: var(--cyan);
  font-size: 13px;
  padding-top: 3px;
}

.page-about .about-origin__cardfoot {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  color: var(--rock);
}

/* ---------- 三轮验证 ---------- */
.page-about .about-verify {
  background-image:
    repeating-linear-gradient(90deg, var(--about-gridline) 0 1px, transparent 1px 72px),
    radial-gradient(90% 70% at 0% 0%, rgba(61, 245, 230, 0.1), transparent 60%);
}

.page-about .about-verify__grid {
  display: grid;
  gap: 30px;
}

.page-about .about-verify__media {
  margin: 0;
}

.page-about .about-verify__media img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  transform: rotate(-1.2deg);
}

.page-about .about-verify__gaugewrap {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  padding: 18px;
  margin-bottom: 26px;
  background: var(--glass);
  border: 1px solid var(--glass-line);
  border-radius: var(--about-radius);
}

.page-about .about-gauge {
  width: 132px;
  height: 132px;
  display: block;
}

.page-about .about-gauge__num {
  font-family: var(--font-mono);
  font-size: 46px;
  fill: var(--bone);
}

.page-about .about-gauge__label {
  font-family: var(--font-body);
  font-size: 12px;
  fill: var(--rock);
  letter-spacing: 0.1em;
}

.page-about .about-verify__gaugecap {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(243, 240, 232, 0.8);
}

.page-about .about-rounds {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-about .about-rounds__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 18px 18px 20px;
  border-left: 2px solid var(--violet);
  background: linear-gradient(90deg, rgba(139, 92, 246, 0.14), rgba(14, 23, 48, 0.2) 60%);
}

.page-about .about-rounds__item:nth-child(2) {
  border-left-color: var(--cyan);
  background: linear-gradient(90deg, rgba(61, 245, 230, 0.13), rgba(14, 23, 48, 0.2) 60%);
}

.page-about .about-rounds__item:nth-child(3) {
  border-left-color: var(--moss);
  background: linear-gradient(90deg, rgba(111, 163, 111, 0.16), rgba(14, 23, 48, 0.2) 60%);
}

.page-about .about-rounds__idx {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--rock);
}

.page-about .about-rounds__title {
  margin: 0 0 8px;
  font-size: 17px;
  color: var(--bone);
}

.page-about .about-rounds__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(243, 240, 232, 0.8);
}

/* ---------- 复核节奏 ---------- */
.page-about .about-cadence__grid {
  display: grid;
  gap: 26px;
}

.page-about .about-cadence__intro p {
  margin-top: 0;
  color: rgba(243, 240, 232, 0.84);
}

.page-about .about-cadence__list {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-about .about-cadence__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-about .about-cadence__row:last-child {
  border-bottom: 1px solid var(--line);
}

.page-about .about-cadence__row dt {
  margin: 0;
}

.page-about .about-cadence__row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(243, 240, 232, 0.78);
}

.page-about .about-cadence__row dd strong {
  display: block;
  margin-bottom: 4px;
  font-size: 16px;
  color: var(--bone);
}

/* ---------- 合作生态 ---------- */
.page-about .about-partners {
  background-image: radial-gradient(80% 60% at 100% 10%, rgba(255, 61, 154, 0.12), transparent 62%);
}

.page-about .about-partners__grid {
  display: grid;
  gap: 30px;
}

.page-about .about-partners__copy > .prose {
  margin-top: 0;
  color: rgba(243, 240, 232, 0.84);
}

.page-about .about-cloud {
  list-style: none;
  margin: 24px 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .about-cloud__item {
  padding: 9px 14px;
  font-size: 13px;
  color: var(--bone);
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: border-color 140ms ease, color 140ms ease, transform 140ms ease;
}

.page-about .about-cloud__item:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

.page-about .about-cloud__item--a {
  border-color: rgba(61, 245, 230, 0.55);
  color: var(--cyan);
}

.page-about .about-cloud__item--b {
  border-color: rgba(139, 92, 246, 0.6);
  color: #b9a2ff;
}

.page-about .about-cloud__item--c {
  transform: rotate(-2deg);
}

.page-about .about-cloud__item--d {
  transform: rotate(1.5deg);
}

.page-about .about-cloud__item--e {
  border-color: rgba(255, 159, 69, 0.55);
  color: var(--orange);
}

.page-about .about-cloud__item--f {
  transform: rotate(-1deg);
}

.page-about .about-report {
  padding: 20px 18px;
  background: rgba(7, 11, 24, 0.9);
  border: 1px solid rgba(255, 61, 154, 0.35);
  border-radius: var(--about-radius);
}

.page-about .about-report__label {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--magenta);
  text-transform: uppercase;
}

.page-about .about-report__title {
  margin: 0 0 10px;
  font-size: 18px;
  color: var(--bone);
}

.page-about .about-report__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(243, 240, 232, 0.8);
}

.page-about .about-partners__media {
  margin: 0;
}

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

/* ---------- 时间线 ---------- */
.page-about .about-timeline {
  position: relative;
  background-image:
    repeating-linear-gradient(0deg, var(--about-scan) 0 1px, transparent 1px 6px),
    linear-gradient(180deg, rgba(14, 23, 48, 0.9), rgba(7, 11, 24, 0.96));
}

.page-about .about-timeline__figure {
  margin: 0 0 clamp(28px, 4vw, 48px);
  position: relative;
}

.page-about .about-timeline__figure img {
  width: 100%;
  height: auto;
  max-height: 320px;
  object-fit: cover;
  display: block;
  filter: saturate(0.85) contrast(1.05);
}

.page-about .about-timeline__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-about .about-timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 20px 0 20px 26px;
  border-left: 1px solid var(--line);
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 26px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 10px rgba(61, 245, 230, 0.75);
}

.page-about .about-timeline__item:target::before {
  background: var(--cyan);
  box-shadow: 0 0 18px var(--cyan);
}

.page-about .about-timeline__year {
  font-size: 30px;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.page-about .about-timeline__body h3 {
  margin: 0 0 8px;
  font-size: 17px;
  color: var(--bone);
}

.page-about .about-timeline__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(243, 240, 232, 0.8);
  max-width: 62ch;
}

.page-about .about-timeline__foot {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
  font-size: 14px;
  color: var(--rock);
  max-width: 62ch;
}

/* ---------- 运营规模 ---------- */
.page-about .about-scale__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: 26px;
}

.page-about .about-scale__stat {
  padding: 20px 16px 22px;
  background: var(--night);
}

.page-about .about-scale__stat--big {
  background: linear-gradient(150deg, rgba(61, 245, 230, 0.16), rgba(14, 23, 48, 0.96) 70%);
}

.page-about .about-scale__num {
  font-size: clamp(34px, 8vw, 58px);
  line-height: 1;
  color: var(--cyan);
}

.page-about .about-scale__stat--big .about-scale__num {
  color: var(--bone);
  text-shadow: 2px 2px 0 var(--magenta);
}

.page-about .about-scale__unit {
  font-size: 14px;
  margin-left: 4px;
  color: var(--rock);
}

.page-about .about-scale__cap {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(243, 240, 232, 0.76);
}

.page-about .about-scale__note {
  padding: 22px 18px;
  background: rgba(14, 23, 48, 0.9);
  border: 1px solid var(--glass-line);
  border-radius: var(--about-radius);
}

.page-about .about-scale__note p {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(243, 240, 232, 0.82);
}

.page-about .about-scale__note p strong {
  color: var(--orange);
}

.page-about .about-scale__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .about-scale__actions .btn {
  flex: 0 1 auto;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-about .about-cadence__row {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }

  .page-about .about-scale__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-verify__gaugewrap {
    grid-template-columns: 150px minmax(0, 1fr);
  }

  .page-about .about-gauge {
    width: 150px;
    height: 150px;
  }
}

@media (min-width: 960px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
    align-items: start;
  }

  .page-about .about-verify__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 40px;
    align-items: start;
  }

  .page-about .about-verify__media {
    position: sticky;
    top: 96px;
  }

  .page-about .about-cadence__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 48px;
    align-items: start;
  }

  .page-about .about-cadence__intro {
    position: sticky;
    top: 96px;
  }

  .page-about .about-partners__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
    align-items: start;
  }

  .page-about .about-timeline__figure img {
    max-height: 380px;
  }

  .page-about .about-timeline__item {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 28px;
    padding-left: 34px;
    align-items: start;
  }

  .page-about .about-timeline__year {
    font-size: 38px;
  }

  .page-about .about-timeline__item::before {
    top: 30px;
  }

  .page-about .about-console {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1200px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 64px;
  }

  .page-about .about-rounds__item {
    padding: 20px 24px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-track__link,
  .page-about .about-cloud__item {
    transition: none;
  }

  .page-about .about-cloud__item:hover {
    transform: none;
  }
}
<<<END>>>