.page-about {
  --about-max: 1180px;
  --about-line: var(--hair);
  background: var(--night);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-about .about-wrap {
  width: 100%;
  max-width: var(--about-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-about a:focus-visible,
.page-about button:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}

/* 面包屑 */
.page-about .about-crumbs {
  padding: 16px var(--gutter) 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}
.page-about .ld-crumbs__link {
  color: var(--mint);
  text-decoration: none;
}
.page-about .ld-crumbs__link:hover {
  text-decoration: underline;
}

/* 首屏 */
.page-about .about-hero {
  position: relative;
  padding: clamp(36px, 6vw, 78px) 0 clamp(48px, 7vw, 96px);
  background:
    radial-gradient(circle at 88% 4%, rgba(59, 242, 210, 0.18), rgba(59, 242, 210, 0) 58%),
    radial-gradient(circle at 0% 100%, rgba(15, 142, 126, 0.24), rgba(15, 142, 126, 0) 62%),
    var(--night);
  border-bottom: 1px solid var(--hair);
}

.page-about .about-hero h1 {
  margin: 20px 0 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 7.5vw, 76px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  max-width: 14ch;
}

.page-about .about-hero__lead {
  margin: 22px 0 0;
  max-width: 32em;
  font-size: 17px;
  line-height: 1.8;
  color: var(--paper);
}

.page-about .about-stats {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--hair);
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}

.page-about .about-stats li {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .about-stats__num {
  font-family: var(--font-mono);
  font-size: clamp(30px, 4.6vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: var(--mint);
  font-variant-numeric: tabular-nums;
}

.page-about .about-stats__txt {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mist);
}

.page-about .about-hero__actions {
  margin: clamp(26px, 4vw, 40px) 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
}

.page-about .about-link {
  color: var(--mint);
  font-size: 15px;
  text-decoration: none;
  border-bottom: 1px solid var(--hair-mint);
  padding-bottom: 2px;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.page-about .about-link:hover {
  border-color: var(--mint);
  color: var(--paper);
}

/* 章节骨架 */
.page-about .chapter {
  padding-block: clamp(52px, 8vw, 112px);
  position: relative;
}

.page-about .chapter--paper {
  background: var(--paper);
  color: var(--cocoa);
}

.page-about .chapter--night {
  background:
    radial-gradient(circle at 92% 0%, rgba(59, 242, 210, 0.12), rgba(59, 242, 210, 0) 55%),
    var(--locker);
  color: var(--paper);
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}

.page-about .chapter h2 {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.6vw, 46px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  max-width: 20ch;
}

.page-about .plate {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--mint);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-about .plate__no {
  color: var(--mint);
}
.page-about .plate__en {
  opacity: 0.68;
}

.page-about .about-copy {
  margin-top: clamp(18px, 3vw, 28px);
  display: grid;
  gap: 16px;
  max-width: 32em;
  font-size: 16.5px;
  line-height: 1.8;
}
.page-about .about-copy p {
  margin: 0;
}
.page-about .about-copy--single {
  max-width: 34em;
  display: block;
}
.page-about .about-copy--after {
  margin-top: clamp(20px, 3vw, 28px);
}

/* 01 主张 */
.page-about .belief {
  margin-top: clamp(24px, 4vw, 42px);
  display: grid;
  gap: clamp(22px, 4vw, 48px);
}

.page-about .belief__lead {
  margin: 0;
  padding-left: 18px;
  border-left: 2px solid var(--teal);
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.45;
  letter-spacing: -0.01em;
}

.page-about .belief__body p {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.85;
  max-width: 34em;
}
.page-about .belief__body p + p {
  margin-top: 14px;
}

/* 通用分栏 */
.page-about .about-split {
  margin-top: clamp(24px, 4vw, 42px);
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-about .about-figure {
  margin: 0;
  border: 1px solid var(--hair-strong);
  background: var(--glass);
  overflow: hidden;
}

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

.page-about .chapter--paper .about-figure {
  border-color: var(--wheat);
  background: var(--wheat);
}

/* 02 流程 */
.page-about .flow {
  list-style: none;
  margin: clamp(34px, 5vw, 60px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-about .flow__item {
  position: relative;
  padding: 16px 0 18px 54px;
  border-top: 1px solid var(--hair);
}

.page-about .flow__no {
  position: absolute;
  left: 0;
  top: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mint);
}

.page-about .flow__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 900;
  line-height: 1.3;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
}

.page-about .flow__time {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--mint);
  border: 1px solid var(--hair-mint);
  border-radius: 999px;
  padding: 2px 9px;
  white-space: nowrap;
}

.page-about .flow__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 30em;
}

/* 03 团队表 */
.page-about .table-scroll {
  margin-top: clamp(24px, 4vw, 36px);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-about .team-table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
  font-size: 15px;
  text-align: left;
}

.page-about .team-table th {
  padding: 0 16px 10px 0;
  border-bottom: 1px solid var(--cocoa);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cocoa);
  opacity: 0.6;
  white-space: nowrap;
}

.page-about .team-table td {
  padding: 16px 16px 16px 0;
  border-bottom: 1px solid var(--wheat);
  vertical-align: top;
  line-height: 1.7;
}

.page-about .team-table td:first-child {
  font-weight: 700;
  white-space: nowrap;
}

.page-about .team-table td:last-child {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--teal);
  white-space: nowrap;
}

.page-about .team-table tbody tr {
  transition: background-color 0.18s var(--ease);
}

.page-about .team-table tbody tr:hover {
  background: rgba(15, 142, 126, 0.1);
}

.page-about .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* 04 版本刻度带 */
.page-about .vtabs {
  margin-top: clamp(28px, 4vw, 46px);
}

.page-about .vscale {
  position: relative;
  display: flex;
  gap: 4px;
  padding: 0 0 12px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-about .vscale::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 10px;
  height: 1px;
  background: var(--hair-strong);
  pointer-events: none;
}

.page-about .vtick {
  position: relative;
  flex: 1 0 auto;
  min-width: 74px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 0 4px 8px;
  background: none;
  border: 0;
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: color 0.18s var(--ease);
}

.page-about .vtick__dot {
  display: block;
  width: 9px;
  height: 9px;
  margin-top: 2px;
  border-radius: 999px;
  border: 1px solid var(--mist);
  background: var(--locker);
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-about .vtick--major .vtick__dot {
  width: 13px;
  height: 13px;
  margin-top: 0;
}

.page-about .vtick--final .vtick__dot {
  width: 17px;
  height: 17px;
  margin-top: -2px;
}

.page-about .vtick:hover {
  color: var(--paper);
}

.page-about .vtick[aria-selected="true"] {
  color: var(--mint);
}

.page-about .vtick[aria-selected="true"] .vtick__dot {
  background: var(--mint);
  border-color: var(--mint);
  box-shadow: 0 0 0 4px rgba(59, 242, 210, 0.2);
}

.page-about .vpanel {
  margin-top: clamp(20px, 3vw, 30px);
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--hair);
  border-left: 2px solid var(--mint);
  background: var(--glass);
}

.page-about .vpanel[hidden] {
  display: none;
}

.page-about .vpanel h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 900;
  line-height: 1.35;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}

.page-about .vpanel__ver {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-about .vpanel p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 42em;
}

/* 05 合作 */
.page-about .partners {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
}

.page-about .partners li {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-top: 1px solid var(--wheat);
}

.page-about .partners li:last-child {
  border-bottom: 1px solid var(--wheat);
}

.page-about .partners strong {
  font-size: 16px;
  font-weight: 700;
}

.page-about .partners span {
  font-size: 15px;
  line-height: 1.75;
  opacity: 0.84;
}

.page-about .about-banner {
  margin: clamp(28px, 4vw, 44px) 0 0;
  border: 1px solid var(--wheat);
  overflow: hidden;
}

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

/* 06 运营信息 */
.page-about .info-list {
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  border-top: 3px double var(--hair-strong);
}

.page-about .info-row {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--hair);
}

.page-about .info-row dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-about .info-row dd {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.page-about .about-footlinks {
  margin: clamp(26px, 4vw, 40px) 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
}

/* 平板及以上 */
@media (min-width: 640px) {
  .page-about .about-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

@media (min-width: 760px) {
  .page-about .partners li {
    grid-template-columns: 170px 1fr;
    gap: 24px;
    align-items: baseline;
  }
  .page-about .info-row {
    grid-template-columns: 180px 1fr;
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 860px) {
  .page-about .flow {
    grid-template-columns: repeat(5, 1fr);
    column-gap: 22px;
  }
  .page-about .flow__item {
    padding: 52px 0 0;
    border-top: 0;
  }
  .page-about .flow__item::before {
    content: "";
    position: absolute;
    top: 7px;
    left: 0;
    right: -22px;
    height: 1px;
    background: var(--hair-strong);
  }
  .page-about .flow__item:last-child::before {
    right: 0;
  }
  .page-about .flow__item::after {
    content: "";
    position: absolute;
    top: 3px;
    left: 0;
    width: 9px;
    height: 9px;
    border-radius: 999px;
    background: var(--mint);
  }
  .page-about .flow__no {
    position: static;
    display: block;
    margin-bottom: 6px;
    top: auto;
  }
  .page-about .flow__desc {
    max-width: none;
  }
}

@media (min-width: 900px) {
  .page-about .belief {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: start;
  }
  .page-about .about-split {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }
  .page-about .about-copy--single {
    max-width: 36em;
  }
  .page-about .vpanel {
    padding: 30px 34px;
  }
}

@media (min-width: 1080px) {
  .page-about .about-hero {
    padding-top: 92px;
  }
  .page-about .belief__lead {
    padding-left: 22px;
  }
}
<<<END>>>