.page-about {
  --about-gap: clamp(24px, 4vw, 56px);
  --about-offset: clamp(20px, 3vw, 36px);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: clamp(36px, 5vw, 76px) 0 clamp(44px, 6vw, 92px);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -12%;
  width: 58%;
  height: 144%;
  transform: skewX(-9deg);
  background: linear-gradient(180deg, rgba(200, 255, 61, 0.075), rgba(200, 255, 61, 0) 68%);
  pointer-events: none;
}

.page-about .about-hero > .container {
  position: relative;
  z-index: 1;
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
}

.page-about .about-hero__title {
  margin: 14px 0 20px;
  max-width: 20ch;
}

.page-about .about-hero__text {
  max-width: 40ch;
}

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

.page-about .about-hero__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.page-about .about-hero__meta-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 14px 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero__meta-key {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-2);
}

.page-about .about-hero__meta-val {
  font-size: 26px;
  font-weight: 800;
  line-height: 1;
  color: var(--lime);
  letter-spacing: -0.02em;
}

@media (min-width: 880px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(36px, 5vw, 76px);
    align-items: end;
  }

  .page-about .about-hero__meta {
    grid-template-columns: minmax(0, 1fr);
    border-top: 0;
    border-left: 1px solid var(--line);
    padding-left: clamp(22px, 3vw, 38px);
  }

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

/* ---------- 我们做什么 ---------- */
.page-about .about-what__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
  margin-top: clamp(30px, 5vw, 56px);
}

.page-about .about-what__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 8px 16px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

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

.page-about .about-what__num {
  grid-column: 1;
  grid-row: 1;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--amber);
  padding-top: 4px;
}

.page-about .about-what__item h3 {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
}

.page-about .about-what__item p {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
}

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

@media (min-width: 1024px) {
  .page-about .about-what__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(40px, 5vw, 76px);
    align-items: start;
  }

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

.page-about .about-scenes {
  margin-top: clamp(34px, 5vw, 64px);
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

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

.page-about .about-scene {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  background: var(--bg-2);
}

.page-about .about-scene__idx {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lime);
}

.page-about .about-scene__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

@media (min-width: 760px) {
  .page-about .about-scenes__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 演进 ---------- */
.page-about .about-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  margin-top: clamp(30px, 5vw, 56px);
}

.page-about .about-rail {
  border-left: 1px solid var(--line);
  padding-left: 16px;
}

.page-about .about-rail__label {
  margin: 0 0 10px;
  color: var(--ink-2);
}

.page-about .about-rail__nav {
  display: flex;
  flex-direction: row;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.page-about .about-rail__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 12px;
  border: 1px solid transparent;
  color: var(--ink-2);
  text-decoration: none;
  white-space: nowrap;
  transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.page-about .about-rail__link:hover,
.page-about .about-rail__link:focus-visible {
  color: var(--ink);
  border-color: var(--line);
  background: var(--panel);
  outline: none;
}

.page-about .about-rail__ver {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.page-about .about-rail__desc {
  font-size: 13px;
}

.page-about .about-phase {
  padding: 26px 0;
  border-top: 1px solid var(--line);
}

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

.page-about .about-phase__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 18px;
  margin-bottom: 12px;
}

.page-about .about-phase__ver {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber);
  padding: 4px 10px;
  border: 1px solid var(--amber-2);
  background: rgba(255, 165, 31, 0.08);
}

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

.page-about .about-growth__figure {
  margin: clamp(28px, 4vw, 44px) 0;
}

@media (min-width: 1024px) {
  .page-about .about-shell {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 76px);
  }

  .page-about .about-rail {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-about .about-rail__nav {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .about-rail__link {
    justify-content: space-between;
  }
}

/* ---------- 团队 ---------- */
.page-about .about-team__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.4vw, 26px);
  margin-top: clamp(30px, 5vw, 56px);
}

.page-about .about-team__card .card__meta {
  margin: 6px 0 12px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-about .about-team__card .eyebrow {
  color: var(--ink-3);
}

@media (min-width: 720px) {
  .page-about .about-team__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-team__card:nth-child(even) {
    margin-top: var(--about-offset);
  }
}

@media (min-width: 1120px) {
  .page-about .about-team__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }

  .page-about .about-team__card:nth-child(even) {
    margin-top: 0;
  }

  .page-about .about-team__card:nth-child(2),
  .page-about .about-team__card:nth-child(5) {
    margin-top: 34px;
  }
}

/* ---------- 数据规模与服务覆盖 ---------- */
.page-about .about-reach__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  margin-top: clamp(30px, 5vw, 56px);
}

.page-about .about-reach__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-reach__stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 16px;
  background: var(--bg-2);
}

.page-about .about-reach__val {
  font-size: clamp(24px, 3.4vw, 32px);
  font-weight: 800;
  line-height: 1;
  color: var(--lime);
  letter-spacing: -0.02em;
}

.page-about .about-reach__suffix {
  font-size: 0.62em;
  color: var(--lime-2);
  margin-left: 2px;
}

.page-about .about-reach__label {
  font-size: 13px;
  color: var(--ink-2);
}

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

.page-about .about-reach__blurb {
  margin-top: clamp(30px, 4vw, 52px);
}

.page-about .about-reach__blurb .eyebrow {
  margin: 0 0 10px;
  color: var(--amber);
}

.page-about .about-reach__blurb-text {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
}

@media (min-width: 1024px) {
  .page-about .about-reach__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: clamp(40px, 5vw, 72px);
    align-items: center;
  }

  .page-about .about-reach__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 合作生态与资质 ---------- */
.page-about .about-eco__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  margin-top: clamp(30px, 5vw, 56px);
}

.page-about .about-eco__col > .title-s {
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

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

.page-about .about-eco__item {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

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

.page-about .about-eco__count {
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
  color: var(--amber);
  letter-spacing: -0.02em;
}

.page-about .about-eco__suffix {
  font-size: 0.6em;
  color: var(--amber-2);
  margin-left: 2px;
}

.page-about .about-eco__item-title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-about .about-eco__item p {
  margin: 0;
}

.page-about .about-eco__col--creds {
  padding: clamp(22px, 3vw, 32px);
  background: var(--panel);
  border: 1px solid var(--line);
}

.page-about .about-eco__creds {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-eco__cred {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 12px;
  background: var(--bg-2);
}

.page-about .about-eco__cred-val {
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
  color: var(--lime);
}

.page-about .about-eco__cred-label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--ink-2);
}

.page-about .about-eco__note {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--ink-2);
}

@media (min-width: 1024px) {
  .page-about .about-eco__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(40px, 5vw, 72px);
    align-items: start;
  }
}

/* ---------- 客服与响应 ---------- */
.page-about .about-respond__panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
  padding: clamp(26px, 4vw, 44px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--lime);
}

.page-about .about-respond__lead .eyebrow {
  margin: 0 0 12px;
  color: var(--lime);
}

.page-about .about-respond__lead h2 {
  margin: 0 0 16px;
  max-width: 24ch;
}

.page-about .about-respond__lead .body-text {
  max-width: 44ch;
}

.page-about .about-respond__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-about .about-respond__facts {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-content: start;
}

.page-about .about-respond__fact {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

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

.page-about .about-respond__fact-key {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-2);
  margin: 0;
}

.page-about .about-respond__fact-val {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

@media (min-width: 1024px) {
  .page-about .about-respond__panel {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(40px, 5vw, 72px);
  }
}

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