.page-about {
  --about-rule: 1px solid var(--line);
  --about-hair: rgba(237, 239, 242, .09);
  --about-step: clamp(56px, 8vw, 120px);
}

/* ---------------- 首屏 ---------------- */
.page-about .about-hero {
  position: relative;
  padding-top: clamp(20px, 3vw, 40px);
}

.page-about .about-hero .ms-crumbs {
  margin-bottom: clamp(26px, 3.6vw, 52px);
}

.page-about .about-hero__inner {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
}

.page-about .about-hero__title {
  font-family: var(--font-narrow);
  font-weight: 900;
  font-size: clamp(36px, 6.6vw, 88px);
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--porcelain);
  margin: 18px 0 0;
  max-width: 15em;
}

.page-about .about-hero__lede {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--mist);
}

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

.page-about .about-hero__facts {
  margin: 0;
  border-top: var(--about-rule);
}

.page-about .about-hero__facts > div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 18px;
  padding: 14px 0;
  border-bottom: var(--about-rule);
}

.page-about .about-hero__facts dt {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--mist);
  white-space: nowrap;
}

.page-about .about-hero__facts dd {
  margin: 0;
  font-size: 15px;
  color: var(--porcelain);
  text-align: right;
  min-width: 0;
}

.page-about .about-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 19px;
  color: var(--cyan);
}

.page-about .about-hero__fig {
  margin: clamp(32px, 4.4vw, 62px) 0 0;
  position: relative;
}

.page-about .about-hero__fig .ms-figure__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: var(--about-rule);
}

/* ---------------- 面板通用 ---------------- */
.page-about .about-sec {
  position: relative;
  margin-top: var(--about-step);
  padding: clamp(28px, 4.2vw, 62px) clamp(20px, 3.6vw, 58px);
  min-width: 0;
}

.page-about .about-sec .ms-head {
  display: grid;
  gap: 12px;
  max-width: 74ch;
  margin-bottom: clamp(26px, 3.4vw, 46px);
}

.page-about .about-sec .ms-head__title {
  font-size: clamp(24px, 3.4vw, 42px);
  line-height: 1.18;
  font-weight: 900;
  color: var(--porcelain);
  margin: 0;
}

.page-about .about-sec .ms-head__lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-about .about-inline {
  margin: clamp(24px, 3vw, 36px) 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-inline a {
  color: var(--red-bright);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 92, 110, .4);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-about .about-inline a:hover {
  color: var(--cyan);
  border-bottom-color: rgba(20, 224, 210, .55);
}

/* ---------------- 01 三项服务 ---------------- */
.page-about .about-svc {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: var(--about-rule);
}

.page-about .about-svc__item {
  background: var(--panel-soft);
  padding: clamp(22px, 2.6vw, 34px);
  display: grid;
  align-content: start;
  gap: 12px;
  min-width: 0;
  box-shadow: inset 0 0 0 0 rgba(20, 224, 210, 0);
  transition: box-shadow .3s var(--ease), background .3s var(--ease);
}

.page-about .about-svc__item:hover {
  background: var(--panel);
  box-shadow: inset 0 0 0 1px rgba(20, 224, 210, .3);
}

.page-about .about-svc__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--red-bright);
}

.page-about .about-svc__name {
  margin: 0;
  font-size: clamp(18px, 2.1vw, 22px);
  line-height: 1.4;
  font-weight: 700;
  color: var(--porcelain);
}

.page-about .about-svc__txt {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------------- 02 覆盖与规模 ---------------- */
.page-about .about-scale {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: var(--about-rule);
}

.page-about .about-scale__cell {
  background: var(--panel);
  padding: clamp(18px, 2.4vw, 30px);
  display: grid;
  align-content: start;
  gap: 6px;
  min-width: 0;
  transition: background .28s var(--ease);
}

.page-about .about-scale__cell:hover {
  background: var(--panel-soft);
}

.page-about .about-scale__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  font-size: clamp(26px, 4.2vw, 44px);
  line-height: 1;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-about .about-scale__label {
  font-size: 12.5px;
  letter-spacing: .14em;
  color: var(--porcelain);
}

.page-about .about-scale__txt {
  margin: 4px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------------- 03 数据来源 ---------------- */
.page-about .about-data {
  display: grid;
  gap: clamp(26px, 3.4vw, 48px);
  min-width: 0;
}

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

.page-about .about-rules {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--about-rule);
}

.page-about .about-rules li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 0;
  border-bottom: var(--about-rule);
}

.page-about .about-rules__key {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-about .about-rules__val {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-rules__val strong {
  color: var(--porcelain);
  font-weight: 600;
}

.page-about .about-data__fig {
  margin: 0;
  min-width: 0;
}

.page-about .about-data__fig .ms-figure__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: var(--about-rule);
}

/* ---------------- 04 能力演进 ---------------- */
.page-about .about-tl {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.2vw, 26px);
}

.page-about .about-tl__item {
  position: relative;
  padding: clamp(20px, 2.4vw, 30px);
  border: var(--about-rule);
  border-left: 3px solid var(--red);
  background: linear-gradient(180deg, rgba(200, 16, 46, .07), rgba(200, 16, 46, 0) 62%);
  display: grid;
  gap: 10px;
  min-width: 0;
  transition: border-left-color .3s var(--ease), transform .3s var(--ease);
}

.page-about .about-tl__item:hover {
  border-left-color: var(--cyan);
  transform: translateX(4px);
}

.page-about .about-tl__stage {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .22em;
  color: var(--gold);
}

.page-about .about-tl__title {
  margin: 0;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.45;
  font-weight: 700;
  color: var(--porcelain);
}

.page-about .about-tl__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-tl__fig {
  margin: clamp(26px, 3.4vw, 44px) 0 0;
  max-width: 420px;
}

.page-about .about-tl__fig .ms-figure__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border: var(--about-rule);
}

/* ---------------- 05 团队分工 ---------------- */
.page-about .about-team {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: var(--about-rule);
}

.page-about .about-team__col {
  background: var(--panel-soft);
  padding: clamp(22px, 2.6vw, 34px);
  display: grid;
  align-content: start;
  gap: 10px;
  min-width: 0;
  border-top: 2px solid var(--red);
}

.page-about .about-team__col:nth-child(2) {
  border-top-color: var(--cyan);
}

.page-about .about-team__col:nth-child(3) {
  border-top-color: var(--gold);
}

.page-about .about-team__name {
  margin: 0;
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 700;
  color: var(--porcelain);
  line-height: 1.4;
}

.page-about .about-team__txt {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--mist);
}

/* ---------------- 06 联系与响应 ---------------- */
.page-about .about-channels {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: var(--about-rule);
}

.page-about .about-channels__item {
  background: var(--panel);
  padding: clamp(18px, 2.4vw, 28px);
  display: grid;
  align-content: start;
  gap: 8px;
  min-width: 0;
}

.page-about .about-channels__label {
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--mist);
}

.page-about .about-channels__value {
  font-family: var(--font-mono);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--porcelain);
  overflow-wrap: anywhere;
}

.page-about .about-next {
  margin-top: clamp(26px, 3.4vw, 44px);
  display: grid;
  gap: 0;
  border-top: var(--about-rule);
}

.page-about .about-next__link {
  display: grid;
  gap: 6px;
  padding: clamp(16px, 2vw, 22px) 0;
  text-decoration: none;
  color: inherit;
  min-width: 0;
  transition: transform .25s var(--ease);
}

.page-about .about-next__link span {
  font-size: 16px;
  font-weight: 600;
  color: var(--porcelain);
  transition: color .25s var(--ease);
}

.page-about .about-next__link em {
  font-style: normal;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .about-next__link:hover {
  transform: translateY(-2px);
}

.page-about .about-next__link:hover span {
  color: var(--red-bright);
}

/* ---------------- 响应式 ---------------- */
@media (min-width: 640px) {
  .page-about .about-rules li {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

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

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

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

  .page-about .about-next {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: var(--about-rule);
  }

  .page-about .about-next__link {
    padding: clamp(18px, 2.2vw, 26px) clamp(16px, 2vw, 26px);
  }

  .page-about .about-next__link + .about-next__link {
    border-left: var(--about-rule);
  }
}

@media (min-width: 900px) {
  .page-about .about-scale {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.62fr) minmax(240px, .78fr);
    gap: clamp(40px, 5vw, 92px);
    align-items: end;
  }

  .page-about .about-data {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: start;
  }

  .page-about .about-tl__fig {
    margin-left: clamp(0px, 6vw, 120px);
    max-width: 380px;
  }
}

@media (min-width: 1240px) {
  .page-about .about-tl {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(20px, 2.6vw, 30px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-svc__item,
  .page-about .about-scale__cell,
  .page-about .about-tl__item,
  .page-about .about-next__link {
    transition: none;
  }

  .page-about .about-tl__item:hover,
  .page-about .about-next__link:hover {
    transform: none;
  }
}
<<<END>>>