.page-about {
  --about-pad: clamp(56px, 8vw, 108px);
  --about-ink-soft: rgba(244, 247, 255, .82);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(96px, 13vw, 156px) 0 clamp(48px, 7vw, 88px);
}

.page-about .about-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-about .about-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: .5;
}

.page-about .about-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(58% 62% at 80% 14%, rgba(109, 93, 251, .42), transparent 72%),
    linear-gradient(180deg, rgba(7, 11, 31, .62) 0%, rgba(7, 11, 31, .86) 58%, var(--space-ink) 100%);
}

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

.page-about .about-hero__crumb {
  margin-bottom: clamp(28px, 5vw, 56px);
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}

.page-about .about-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(38px, 7.2vw, 90px);
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--star);
}

.page-about .about-hero__title em {
  display: block;
  margin-top: 6px;
  font-style: normal;
  font-size: .92em;
  background: linear-gradient(94deg, var(--electric) 6%, var(--nebula) 92%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-about .about-hero__dek {
  margin: clamp(20px, 3vw, 30px) 0 0;
  max-width: 58ch;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.85;
  color: var(--about-ink-soft);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3vw, 36px);
}

.page-about .about-hero__aside {
  padding: clamp(20px, 3vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  backdrop-filter: blur(6px);
}

.page-about .about-hero__aside-title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--electric);
}

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

.page-about .about-fact__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line-soft);
}

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

.page-about .about-fact dt {
  font-size: 13px;
  color: var(--dusk);
}

.page-about .about-fact dd {
  margin: 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--star);
  text-align: right;
}

.page-about .about-fact dd.mono {
  font-size: 12px;
  color: var(--git, var(--dusk));
  color: var(--dusk);
}

.page-about .about-hero__aside .note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.7;
  color: var(--dusk);
}

/* ---------- 导读索引 ---------- */
.page-about .about-index {
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: rgba(14, 22, 53, .68);
}

.page-about .about-index__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
  padding-top: 16px;
  padding-bottom: 16px;
}

.page-about .about-index__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--nebula);
}

.page-about .about-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-index__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding-bottom: 3px;
  font-size: 14px;
  color: var(--dusk);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-about .about-index__list a:hover,
.page-about .about-index__list a:focus-visible {
  color: var(--star);
  border-bottom-color: var(--electric);
}

.page-about .about-index__list .mono {
  font-size: 11px;
  color: rgba(109, 93, 251, .9);
}

/* ---------- 通用标题 ---------- */
.page-about h2 {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(25px, 3.6vw, 42px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--star);
}

.page-about .lead {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(16px, 1.4vw, 17px);
  line-height: 1.85;
  color: var(--dusk);
}

.page-about .note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--dusk);
}

/* ---------- 品牌起点 ---------- */
.page-about .about-origin {
  padding: var(--about-pad) 0;
}

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

.page-about .about-origin__body p {
  margin: 0 0 16px;
  font-size: clamp(15px, 1.35vw, 17px);
  line-height: 1.9;
  color: var(--about-ink-soft);
}

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

.page-about .about-origin__aside {
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  border-left: 2px solid var(--nebula);
  background: var(--panel);
}

.page-about .about-path__title {
  margin: 0 0 16px;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--dusk);
  text-transform: uppercase;
}

.page-about .about-path {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-path__item {
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
}

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

.page-about .about-path__label {
  display: inline-block;
  margin-bottom: 6px;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--nebula);
  border: 1px solid rgba(109, 93, 251, .5);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-about .about-path__item--cyan .about-path__label {
  color: var(--electric);
  border-color: rgba(53, 230, 224, .45);
}

.page-about .about-path__item--gold .about-path__label {
  color: var(--gold);
  border-color: rgba(245, 184, 75, .45);
}

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

.page-about .about-origin__aside .note {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
}

/* ---------- 服务版图 ---------- */
.page-about .about-map {
  padding: var(--about-pad) 0;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(14, 22, 53, .92), rgba(7, 11, 31, .96));
}

.page-about .about-map__head {
  max-width: 62ch;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-about .about-map__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-about .about-modules {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-modules li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: background-color .2s var(--ease);
}

.page-about .about-modules li:first-child {
  border-top: 1px solid var(--line-soft);
}

.page-about .about-modules li:hover {
  background: rgba(53, 230, 224, .04);
}

.page-about .about-modules .mono {
  padding-top: 2px;
  font-size: 12px;
  letter-spacing: .12em;
  color: rgba(109, 93, 251, .95);
  transition: color .2s var(--ease);
}

.page-about .about-modules li:hover .mono {
  color: var(--electric);
}

.page-about .about-modules h3 {
  margin: 0 0 5px;
  font-size: 16px;
  font-weight: 600;
  color: var(--star);
}

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

.page-about .about-files {
  align-self: start;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line);
  border-top: 2px solid var(--electric);
  background: var(--panel-strong);
}

.page-about .about-files__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--star);
}

.page-about .about-files__list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-about .about-files__item {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-about .about-files__item:first-child {
  padding-top: 0;
}

.page-about .about-files__item strong {
  font-size: 15px;
  font-weight: 600;
  color: var(--electric);
}

.page-about .about-files__meta {
  font-size: 13px;
  line-height: 1.7;
  color: var(--dusk);
}

.page-about .about-files .note {
  margin: 0 0 18px;
}

.page-about .about-files__link {
  width: 100%;
  justify-content: center;
}

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

.page-about .about-team__grid {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
}

.page-about .about-team__media .media__frame {
  display: block;
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-about .about-team__media img,
.page-about .about-partners__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  transition: transform .5s var(--ease);
}

.page-about .about-team__media:hover img {
  transform: scale(1.02);
}

.page-about .about-team__body p {
  font-size: clamp(15px, 1.35vw, 17px);
  line-height: 1.9;
  color: var(--about-ink-soft);
}

.page-about .about-team__tabs {
  margin-top: clamp(22px, 3vw, 32px);
}

.page-about .about-team__tabs .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-about .tabs__tab {
  padding: 6px 0;
  font-family: inherit;
  font-size: 14px;
  color: var(--dusk);
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-about .tabs__tab:hover {
  color: var(--electric);
}

.page-about .tabs__tab[aria-selected="true"] {
  color: var(--star);
  border-bottom-color: var(--electric);
}

.page-about .tabs__tab:focus-visible {
  outline: 1px solid var(--electric);
  outline-offset: 3px;
}

.page-about .tabs__panel {
  padding: 18px 20px;
  border-left: 2px solid var(--nebula);
  background: var(--panel);
}

.page-about .tabs__panel p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--about-ink-soft);
}

.page-about .tabs__panel ul {
  margin: 0;
  padding-left: 18px;
}

.page-about .tabs__panel li {
  margin-bottom: 8px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--dusk);
}

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

/* ---------- 迭代节奏 ---------- */
.page-about .about-cadence {
  padding: var(--about-pad) 0;
  border-top: 1px solid var(--line-soft);
  background: radial-gradient(70% 60% at 12% 0%, rgba(53, 230, 224, .08), transparent 70%);
}

.page-about .about-scale {
  position: relative;
  margin: clamp(32px, 4vw, 48px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 26px;
}

.page-about .about-scale__item {
  position: relative;
  padding-left: 26px;
}

.page-about .about-scale__item::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 12px;
  bottom: -26px;
  width: 1px;
  background: var(--line);
}

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

.page-about .about-scale__dot {
  position: absolute;
  left: 0;
  top: 4px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1px solid var(--electric);
  background: var(--space-ink);
}

.page-about .about-scale__label {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--electric);
}

.page-about .about-scale h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
  color: var(--star);
}

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

.page-about .about-cadence__facts {
  display: grid;
  gap: 1px;
  margin: clamp(32px, 4vw, 48px) 0 0;
  border: 1px solid var(--line);
  background: var(--line-soft);
}

.page-about .about-cadence__facts > div {
  padding: 18px 22px;
  background: var(--space-ink);
}

.page-about .about-cadence__facts dt {
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--dusk);
}

.page-about .about-cadence__facts dd {
  margin: 0;
  font-size: 14px;
  color: var(--about-ink-soft);
}

.page-about .about-cadence__num {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 500;
  color: var(--gold);
}

.page-about .about-cadence__link {
  margin: clamp(22px, 3vw, 30px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--dusk);
}

.page-about .about-cadence__link a,
.page-about .about-partners__note a {
  color: var(--electric);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 224, .45);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-about .about-cadence__link a:hover,
.page-about .about-partners__note a:hover {
  color: var(--star);
  border-bottom-color: var(--star);
}

/* ---------- 伙伴与适配 ---------- */
.page-about .about-partners {
  padding: var(--about-pad) 0;
  border-top: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(14, 22, 53, .92), rgba(7, 11, 31, .96));
}

.page-about .about-partners__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

.page-about .about-partners__media .media__frame {
  display: block;
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-about .about-partners__body p {
  font-size: clamp(15px, 1.35vw, 17px);
  line-height: 1.9;
  color: var(--about-ink-soft);
}

.page-about .about-net {
  display: block;
  width: 100%;
  max-width: 300px;
  height: auto;
  margin: 18px 0 22px;
}

.page-about .about-net__ring {
  fill: none;
  stroke: rgba(38, 48, 90, .95);
  stroke-width: 1;
}

.page-about .about-net__link {
  stroke: rgba(53, 230, 224, .28);
  stroke-width: 1;
  transition: stroke .25s var(--ease);
}

.page-about .about-net__node {
  fill: var(--space-mid);
  stroke: var(--nebula);
  stroke-width: 1.3;
  transition: fill .2s var(--ease), stroke .2s var(--ease);
}

.page-about .about-net__node:hover {
  fill: var(--electric);
  stroke: var(--electric);
}

.page-about .about-net__core {
  fill: rgba(109, 93, 251, .25);
  stroke: var(--gold);
  stroke-width: 1.3;
}

.page-about .about-partners__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-partners__list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--dusk);
}

.page-about .about-partners__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--electric);
  transform: rotate(45deg);
}

.page-about .about-partners__note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--dusk);
}

/* ---------- 运营与联络 ---------- */
.page-about .about-reach {
  padding: var(--about-pad) 0;
}

.page-about .about-reach__panel {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  padding: clamp(26px, 4.5vw, 56px);
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(109, 93, 251, .3), rgba(7, 11, 31, .96) 58%);
}

.page-about .about-reach__panel::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 184, 75, .16), transparent 68%);
  pointer-events: none;
}

.page-about .about-reach__intro p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--about-ink-soft);
  max-width: 52ch;
}

.page-about .about-reach__intro .btn {
  margin-top: 10px;
}

.page-about .about-reach__info {
  margin: 0;
  align-self: start;
  border-top: 1px solid var(--line-soft);
}

.page-about .about-reach__row {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-reach__row dt {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--dusk);
}

.page-about .about-reach__row dd {
  margin: 0;
  font-size: 15px;
  color: var(--star);
  overflow-wrap: anywhere;
}

.page-about .about-reach__row dd.mono {
  font-size: 13px;
  color: var(--electric);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-about .about-cadence__facts {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .about-reach__row {
    grid-template-columns: 110px 1fr;
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(240px, .72fr);
    align-items: end;
  }

  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 1.62fr) minmax(250px, .78fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-about .about-map__grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(260px, .75fr);
    align-items: start;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-about .about-partners__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
  }

  .page-about .about-reach__panel {
    grid-template-columns: minmax(0, 1fr) minmax(280px, .82fr);
    align-items: start;
  }

  .page-about .about-scale {
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(18px, 2.4vw, 34px);
  }

  .page-about .about-scale::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 4px;
    height: 1px;
    background: linear-gradient(90deg, var(--nebula), rgba(38, 48, 90, .9) 38%, rgba(38, 48, 90, .9));
  }

  .page-about .about-scale__item {
    padding: 32px 0 0;
  }

  .page-about .about-scale__item::before {
    display: none;
  }

  .page-about .about-scale__dot {
    left: 0;
    top: 0;
  }
}

@media (min-width: 1100px) {
  .page-about .about-hero__aside {
    margin-bottom: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-team__media img,
  .page-about .about-net__node,
  .page-about .about-index__list a,
  .page-about .tabs__tab {
    transition: none;
  }

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

.page-about {
  --git: currentColor;
}