.page-about {
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
  --about-pad: 56px;
  --about-radius: 2px;
}

@media (min-width: 768px) {
  .page-about {
    --about-pad: 96px;
  }
}

/* ---------- 通用版式 ---------- */
.page-about .kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-about .kicker::before {
  content: "";
  width: 18px;
  height: 1px;
  background: currentColor;
  flex: none;
}

.page-about .kicker--dark {
  color: var(--wine);
}

.page-about .section-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(25px, 3.4vw, 42px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-about .prose p {
  max-width: 36em;
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 241, 234, 0.8);
}

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

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding: 32px 0 48px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(110% 80% at 86% -18%, rgba(44, 42, 94, 0.62), transparent 62%),
    radial-gradient(80% 62% at -12% 0%, rgba(217, 169, 58, 0.14), transparent 58%),
    var(--ink);
}

@media (min-width: 768px) {
  .page-about .about-hero {
    padding: 48px 0 72px;
  }
}

.page-about .crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: var(--steel);
}

.page-about .crumbs a {
  color: var(--steel);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-about .crumbs a:hover {
  color: var(--gold-bright);
}

.page-about .crumbs__sep {
  color: rgba(143, 166, 191, 0.5);
}

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

.page-about .about-hero__title {
  margin: 22px 0 26px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.2vw, 82px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: var(--paper);
}

.page-about .about-hero__foot {
  display: grid;
  gap: 22px;
}

@media (min-width: 900px) {
  .page-about .about-hero__foot {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 40px;
    align-items: end;
  }

  .page-about .about-hero__meta {
    justify-self: end;
    justify-content: flex-end;
  }
}

.page-about .about-hero__lede {
  max-width: 34em;
  margin: 0;
  font-size: 16.5px;
  line-height: 1.78;
  color: rgba(244, 241, 234, 0.82);
}

.page-about .about-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .about-metrics {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

@media (min-width: 620px) {
  .page-about .about-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-about .about-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .about-metric {
  display: grid;
  gap: 6px;
  padding: 20px 18px 22px;
  background: var(--ink-2);
}

.page-about .about-metric__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 3.8vw, 38px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--gold);
}

.page-about .about-metric__label {
  font-size: 14px;
  font-weight: 600;
  color: var(--paper);
}

.page-about .about-metric__note {
  font-size: 12.5px;
  line-height: 1.65;
  color: rgba(143, 166, 191, 0.85);
}

/* ---------- 起点与定位 ---------- */
.page-about .about-origin {
  padding: var(--about-pad) 0;
}

.page-about .about-origin__grid {
  display: grid;
  gap: 32px;
}

@media (min-width: 900px) {
  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
    align-items: start;
  }
}

.page-about .about-origin__link {
  margin: 24px 0 0;
}

.page-about .about-fig {
  margin: 0;
  position: relative;
}

.page-about .about-fig img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--about-radius);
  border: 1px solid var(--line);
  object-fit: cover;
}

.page-about .about-fig figcaption {
  margin-top: 14px;
  padding-left: 12px;
  border-left: 2px solid var(--gold);
  font-size: 12.5px;
  line-height: 1.75;
  color: rgba(143, 166, 191, 0.9);
}

/* ---------- 校验流程 ---------- */
.page-about .about-verify {
  padding: var(--about-pad) 0;
  background: var(--paper);
  color: var(--ink);
}

.page-about .about-verify__head {
  max-width: 660px;
}

.page-about .about-verify .section-title {
  color: var(--ink);
}

.page-about .about-verify__intro {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: #3f444c;
}

.page-about .about-verify__fig {
  margin: 30px 0 0;
}

.page-about .about-verify__fig img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(14, 16, 19, 0.14);
  object-fit: cover;
}

.page-about .about-flow {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

@media (min-width: 700px) {
  .page-about .about-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 1120px) {
  .page-about .about-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .about-flow__step {
  position: relative;
  padding: 24px 20px 22px;
  background: #ffffff;
  box-shadow: 0 1px 0 rgba(14, 16, 19, 0.09);
  clip-path: polygon(16px 0, 100% 0, 100% 100%, 0 100%, 0 16px);
}

.page-about .about-flow__step::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-bright));
}

.page-about .about-flow__idx {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--wine);
}

.page-about .about-flow__step h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.page-about .about-flow__step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: #3f444c;
}

/* ---------- 版本时间轴 ---------- */
.page-about .about-versions {
  padding: var(--about-pad) 0;
  background:
    linear-gradient(180deg, rgba(18, 59, 58, 0.28), transparent 40%),
    var(--ink);
}

.page-about .about-versions__inner {
  display: grid;
  gap: 36px;
}

@media (min-width: 1024px) {
  .page-about .about-versions__inner {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 64px;
    align-items: start;
  }

  .page-about .about-versions__rail {
    position: sticky;
    top: 92px;
    align-self: start;
  }
}

.page-about .about-versions__note {
  margin: 0;
  max-width: 24em;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(143, 166, 191, 0.9);
}

.page-about .about-tl {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  position: relative;
}

.page-about .about-tl::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 16px;
  bottom: 16px;
  width: 1px;
  background: linear-gradient(180deg, rgba(217, 169, 58, 0.72), rgba(143, 166, 191, 0.14));
}

.page-about .about-tl li + li {
  margin-top: 2px;
}

.page-about .about-tl__link {
  position: relative;
  display: block;
  padding: 10px 0 10px 26px;
  text-decoration: none;
  color: var(--steel);
}

.page-about .about-tl__dot {
  position: absolute;
  left: 0;
  top: 16px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid var(--line-strong);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-about .about-tl__label {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
  transition: color var(--dur) var(--ease);
}

.page-about .about-tl__meta {
  display: block;
  margin-top: 3px;
  font-size: 12.5px;
  color: rgba(143, 166, 191, 0.85);
}

.page-about .about-tl__link:hover .about-tl__label,
.page-about .about-tl__link.is-active .about-tl__label {
  color: var(--gold-bright);
}

.page-about .about-tl__link.is-active .about-tl__dot {
  background: var(--gold);
  border-color: var(--gold-bright);
  box-shadow: 0 0 0 4px rgba(217, 169, 58, 0.16);
}

.page-about .about-version {
  scroll-margin-top: 96px;
  padding: 26px 22px 28px;
}

@media (min-width: 768px) {
  .page-about .about-version {
    padding: 32px 30px 34px;
  }
}

.page-about .about-version + .about-version {
  margin-top: 20px;
}

.page-about .about-version--glass {
  background: linear-gradient(180deg, rgba(23, 26, 31, 0.94), rgba(16, 19, 24, 0.94));
  border: 1px solid var(--line);
  clip-path: polygon(24px 0, 100% 0, 100% 100%, 0 100%, 0 24px);
}

.page-about .about-version--paper {
  background: var(--paper);
  color: var(--ink);
  border-left: 3px solid var(--gold);
}

.page-about .about-version__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.page-about .about-version__tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-about .about-version--paper .about-version__tag {
  color: var(--wine);
}

.page-about .about-version__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 25px);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-about .about-version--paper .about-version__title {
  color: var(--ink);
}

.page-about .about-version p {
  margin: 0 0 12px;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 241, 234, 0.78);
}

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

.page-about .about-version--paper p {
  color: #3f444c;
}

.page-about .about-version__link {
  margin-top: 18px !important;
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  padding: var(--about-pad) 0;
  background: linear-gradient(180deg, var(--teal) 0%, #0c2827 100%);
}

.page-about .about-team__head {
  max-width: 640px;
}

.page-about .about-team__intro {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 241, 234, 0.78);
}

.page-about .about-team__cards {
  display: grid;
  gap: 18px;
  margin-top: 34px;
}

@media (min-width: 860px) {
  .page-about .about-team__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    align-items: start;
  }

  .page-about .team-card--b {
    margin-top: 36px;
  }

  .page-about .team-card--c {
    margin-top: 76px;
  }
}

.page-about .team-card {
  padding: 24px 20px 22px;
  background: rgba(244, 241, 234, 0.06);
  border: 1px solid rgba(143, 166, 191, 0.24);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-about .team-card--a {
  border-left: 3px solid var(--gold);
}

.page-about .team-card:hover {
  background: rgba(244, 241, 234, 0.1);
  border-color: rgba(217, 169, 58, 0.5);
  transform: translateY(-3px);
}

.page-about .team-card__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(34px, 4.6vw, 50px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--gold-bright);
}

.page-about .team-card__role {
  display: block;
  margin-top: 10px;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .team-card__desc {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 241, 234, 0.75);
}

.page-about .team-card__extra {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid rgba(143, 166, 191, 0.24);
  font-size: 12.5px;
  line-height: 1.75;
  color: rgba(242, 199, 92, 0.92);
}

@media (hover: hover) and (min-width: 860px) {
  .page-about .team-card__extra {
    max-height: 0;
    margin-top: 0;
    padding-top: 0;
    border-top-color: transparent;
    opacity: 0;
    overflow: hidden;
    transition: max-height var(--dur) var(--ease), opacity var(--dur) var(--ease),
      margin var(--dur) var(--ease), padding var(--dur) var(--ease);
  }

  .page-about .team-card:hover .team-card__extra,
  .page-about .team-card:focus-within .team-card__extra {
    max-height: 140px;
    margin-top: 14px;
    padding-top: 12px;
    border-top-color: rgba(143, 166, 191, 0.24);
    opacity: 1;
  }
}

/* ---------- 河南运营 ---------- */
.page-about .about-region {
  position: relative;
  overflow: hidden;
  padding: var(--about-pad) 0;
  background: linear-gradient(140deg, var(--indigo) 0%, #1b1942 55%, var(--ink) 100%);
}

.page-about .about-region__bg {
  position: absolute;
  top: 50%;
  right: -10%;
  width: min(520px, 62%);
  height: auto;
  transform: translateY(-50%);
  opacity: 0.16;
  pointer-events: none;
  object-fit: cover;
}

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

.page-about .about-region__text {
  max-width: 620px;
}

.page-about .about-region__text p {
  margin: 0 0 14px;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.82;
  color: rgba(244, 241, 234, 0.8);
}

.page-about .about-region__link {
  margin-top: 24px !important;
}

/* ---------- 四条做法 ---------- */
.page-about .about-principles {
  padding: var(--about-pad) 0 64px;
  background: var(--paper);
  color: var(--ink);
}

.page-about .about-principles .section-title {
  color: var(--ink);
}

.page-about .about-principles__head {
  max-width: 620px;
  margin-bottom: 28px;
}

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

.page-about .principle {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 24px 0;
  border-top: 1px solid rgba(14, 16, 19, 0.14);
  align-items: start;
}

.page-about .principle:last-child {
  border-bottom: 1px solid rgba(14, 16, 19, 0.14);
}

@media (min-width: 768px) {
  .page-about .principle {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 36px;
    padding: 34px 0;
  }
}

.page-about .principle__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 4.4vw, 52px);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.05em;
  color: var(--wine);
}

.page-about .principle__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.3vw, 25px);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-about .principle__lead {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: #3f444c;
}

.page-about .principle .fold {
  margin-top: 12px;
  padding-left: 14px;
  border-left: 2px solid rgba(217, 169, 58, 0.65);
}

.page-about .principle .fold__summary {
  display: inline-block;
  padding: 4px 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--wine);
  cursor: pointer;
  list-style: none;
}

.page-about .principle .fold__summary::-webkit-details-marker {
  display: none;
}

.page-about .principle .fold__summary::after {
  content: " +";
  font-family: var(--font-mono);
}

.page-about .principle .fold[open] .fold__summary::after {
  content: " −";
}

.page-about .principle .fold__body p {
  margin: 8px 0 0;
  max-width: 36em;
  font-size: 13.5px;
  line-height: 1.85;
  color: #4a5058;
}

.page-about .about-principles__foot {
  margin: 32px 0 0;
  max-width: 40em;
  font-size: 14px;
  line-height: 1.85;
  color: #3f444c;
}

.page-about .about-principles__foot a {
  color: var(--wine);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(122, 31, 51, 0.4);
}

.page-about .about-principles__foot a:hover {
  color: var(--ink);
  border-bottom-color: var(--gold);
}

/* ---------- 按钮微调 ---------- */
.page-about .btn {
  display: inline-block;
  text-decoration: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-about .team-card,
  .page-about .team-card__extra,
  .page-about .about-tl__dot,
  .page-about .about-tl__label {
    transition: none;
  }
}
<<<END>>>