.page-about {
  background: var(--moon-white);
  color: var(--deep-space);
  overflow-x: hidden;
}

.page-about .crumbs {
  padding: 22px 0 2px;
}

.page-about a {
  color: var(--star-cyan);
}

.page-about .about-sec-head {
  max-width: 680px;
  margin-bottom: 48px;
}

.page-about .about-sec-head__sub {
  margin-top: 14px;
  max-width: 560px;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding-top: 40px;
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}

.page-about .about-hero__text .idx {
  margin-bottom: 18px;
}

.page-about .about-hero__text h1 {
  margin: 0 0 22px;
}

.page-about .about-hero__note {
  margin-top: 16px;
  max-width: 520px;
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 24px;
  margin: 36px 0 0;
  padding-top: 26px;
  border-top: 1px solid var(--stroke);
}

.page-about .about-fact dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--text-grey);
  margin-bottom: 6px;
}

.page-about .about-fact dd {
  margin: 0;
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -.01em;
}

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

.page-about .media__img,
.page-about .media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.page-about .media__cap {
  margin-top: 12px;
  font-size: 12px;
  color: var(--text-grey);
  line-height: 1.6;
}

/* ---------- 阶段轴 ---------- */
.page-about .about-axis .shell {
  position: relative;
}

.page-about .axis {
  position: relative;
  padding-left: 34px;
}

.page-about .axis::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold), var(--stroke) 55%, var(--stroke));
}

.page-about .axis__item {
  position: relative;
  margin-bottom: 22px;
}

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

.page-about .axis__dot {
  position: absolute;
  left: -34px;
  top: 26px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: var(--moon-white);
  border: 1px solid var(--gold);
  box-shadow: inset 0 0 0 4px var(--moon-white);
}

.page-about .axis__dot::after {
  content: "";
  position: absolute;
  inset: 5px;
  border-radius: 50%;
  background: var(--gold);
}

.page-about .axis__card {
  padding: 24px 22px;
  transition: transform .26s var(--ease), border-color .26s var(--ease);
}

.page-about .axis__card:hover {
  transform: translateY(-4px);
  border-color: var(--halo-purple);
}

.page-about .axis__card h3 {
  margin: 8px 0 10px;
}

.page-about .axis__toggle {
  margin-top: 14px;
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  font-size: 14px;
  color: var(--star-cyan);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-about .axis__toggle::after {
  content: "";
  width: 7px;
  height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
  transition: transform .24s var(--ease);
}

.page-about .axis__toggle[aria-expanded="true"]::after {
  transform: rotate(-135deg) translateY(-1px);
}

.page-about .axis__panel {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--stroke);
}

.page-about .axis__panel p {
  margin: 0;
  color: var(--text-grey);
}

/* ---------- 小组 ---------- */
.page-about .jumplinks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}

.page-about .jumplink {
  font: inherit;
  font-size: 13px;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--stroke);
  background: var(--moon-white);
  color: var(--deep-space);
  cursor: pointer;
  transition: border-color .22s var(--ease), color .22s var(--ease);
}

.page-about .jumplink:hover,
.page-about .jumplink:focus-visible {
  border-color: var(--gold);
  color: var(--midnight);
}

.page-about .team-card {
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
}

.page-about .team-card--a {
  background: linear-gradient(160deg, #FFFFFF 0%, var(--moon-grey) 100%);
}

.page-about .team-card--b {
  background: linear-gradient(200deg, #FFFFFF 0%, #EEF1F8 100%);
}

.page-about .team-card--c {
  background: linear-gradient(180deg, #FFFFFF 0%, #F1EEFA 100%);
}

.page-about .team-card__num {
  font-family: var(--font-mono);
  font-size: 44px;
  line-height: 1;
  margin: 14px 0 6px;
  color: var(--midnight);
}

.page-about .team-card__num span {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-grey);
  margin-left: 4px;
}

.page-about .team-card__lead {
  margin: 0 0 16px;
  font-size: 15px;
  color: var(--deep-space);
}

.page-about .team-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--stroke);
}

.page-about .team-list li {
  padding: 11px 0 11px 18px;
  position: relative;
  font-size: 14px;
  color: var(--text-grey);
  border-bottom: 1px solid var(--stroke);
}

.page-about .team-list li:last-child {
  border-bottom: 0;
}

.page-about .team-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 19px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--star-cyan);
}

/* ---------- 服务规模 ---------- */
.page-about .about-sec-head--dark {
  color: var(--moon-white);
}

.page-about .about-scale__sub {
  margin-top: 14px;
  color: #A8B3CC;
  max-width: 560px;
}

.page-about .scale-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
}

.page-about .scale-figure {
  margin: 0;
}

.page-about .scale-figure .media {
  margin: 0;
}

.page-about .scale-figure .media__cap {
  color: #8E9AB6;
}

.page-about .scale-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(211, 216, 230, .18);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-about .scale-stat {
  background: var(--midnight);
  padding: 24px 20px;
}

.page-about .scale-stat__num {
  font-family: var(--font-mono);
  font-size: 34px;
  line-height: 1;
  margin: 0 0 10px;
  color: var(--gold);
}

.page-about .scale-stat__num span {
  font-family: var(--font-body);
  font-size: 14px;
  color: #A8B3CC;
  margin-left: 3px;
}

.page-about .scale-stat__label {
  margin: 0;
  font-size: 13px;
  color: #A8B3CC;
}

.page-about .about-scale__note {
  margin: 36px 0 0;
  padding-left: 18px;
  border-left: 2px solid var(--gold);
  color: #A8B3CC;
  font-size: 15px;
  max-width: 720px;
}

/* ---------- 迭代节奏 ---------- */
.page-about .rhythm-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}

.page-about .rhythm-list {
  margin: 30px 0 26px;
  padding: 0;
  list-style: none;
}

.page-about .rhythm-list li {
  padding: 20px 0;
  border-top: 1px solid var(--stroke);
}

.page-about .rhythm-list li:last-child {
  border-bottom: 1px solid var(--stroke);
}

.page-about .rhythm-list__k {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 500;
}

.page-about .rhythm-list p.muted {
  margin: 0;
}

.page-about .rhythm-media {
  margin: 0;
}

/* ---------- 工单流程 ---------- */
.page-about .wo {
  margin-bottom: 34px;
  padding: 26px 18px 14px;
  background: var(--moon-white);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-xl);
  overflow-x: auto;
}

.page-about .wo__svg {
  display: block;
  width: 100%;
  min-width: 520px;
  height: auto;
}

.page-about .wo-card {
  padding: 24px 22px;
}

.page-about .wo-card h3 {
  margin: 8px 0 10px;
}

.page-about .about-flow__foot {
  margin-top: 30px;
  max-width: 760px;
}

/* ---------- 伙伴与合规 ---------- */
.page-about .partner-card {
  padding: 26px 22px;
}

.page-about .partner-card__num {
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1.1;
  margin: 0 0 12px;
  color: var(--halo-purple);
}

.page-about .partner-card h3 {
  margin: 0 0 10px;
}

.page-about .regbox {
  margin-top: 32px;
  background: var(--moon-grey);
  border-radius: var(--radius-lg);
  padding: 8px 22px;
}

.page-about .regbox__row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  padding: 15px 0;
  border-bottom: 1px solid var(--stroke);
  font-size: 14px;
}

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

.page-about .regbox__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--text-grey);
  min-width: 108px;
}

.page-about .regbox__val {
  color: var(--deep-space);
  word-break: break-word;
}

.page-about .about-partner__foot {
  margin-top: 26px;
  max-width: 760px;
}

/* ---------- 下一步 ---------- */
.page-about .next-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: center;
}

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

/* ---------- 渐进显现 ---------- */
.page-about [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}

.page-about [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

.page-about .has-js [data-reveal] {
  opacity: 0;
}

/* ---------- 桌面 ---------- */
@media (min-width: 860px) {
  .page-about .about-hero {
    padding-top: 64px;
  }

  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
  }

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

  .page-about .axis {
    padding-left: 44px;
  }

  .page-about .axis::before {
    left: 10px;
  }

  .page-about .axis__dot {
    left: -44px;
    top: 30px;
    width: 21px;
    height: 21px;
  }

  .page-about .axis__item {
    max-width: 720px;
  }

  .page-about .axis__item:nth-child(even) {
    margin-left: 72px;
  }

  .page-about .axis__item:nth-child(3n) {
    margin-left: 32px;
    max-width: 640px;
  }

  .page-about .axis__card {
    padding: 30px 30px;
  }

  .page-about .team-card--a {
    margin-top: 0;
  }

  .page-about .team-card--b {
    margin-top: 46px;
  }

  .page-about .team-card--c {
    margin-top: 18px;
  }

  .page-about .scale-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
  }

  .page-about .scale-stat__num {
    font-size: 42px;
  }

  .page-about .rhythm-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 56px;
  }

  .page-about .rhythm-media {
    margin-top: 44px;
  }

  .page-about .wo {
    padding: 34px 34px 18px;
  }

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

  .page-about .next-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }

  .page-about .next-links {
    justify-content: flex-end;
  }
}

@media (min-width: 1100px) {
  .page-about .about-hero__text h1 {
    max-width: 12ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about [data-reveal],
  .page-about .axis__card,
  .page-about .axis__toggle::after {
    transition: none;
  }

  .page-about [data-reveal] {
    opacity: 1;
    transform: none;
  }
}