.page-about {
  --about-pad: clamp(56px, 7.5vw, 112px);
  --about-gap: clamp(20px, 3.4vw, 44px);
  --about-radius: 26px;
  --about-title: clamp(27px, 3.5vw, 42px);
  --about-ink-soft: #33506B;
  background: var(--ink-900);
  color: var(--paper);
  overflow: clip;
}

.page-about * {
  box-sizing: border-box;
}

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

.page-about .about-block {
  position: relative;
  padding: var(--about-pad) 0;
}

.page-about .about-block--light {
  background: var(--paper);
  color: var(--ink-text);
}

.page-about .about-block--light .eyebrow {
  color: var(--teal);
}

.page-about .about-block__title {
  margin: 14px 0 0;
  font-size: var(--about-title);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: 0.01em;
  max-width: 24ch;
}

.page-about .about-block__text {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-about .about-block--light .about-block__text {
  color: var(--about-ink-soft);
}

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(112px, 14vw, 176px) 0 var(--about-pad);
  background:
    radial-gradient(110% 85% at 94% 2%, rgba(50, 225, 208, 0.16), transparent 58%),
    radial-gradient(85% 70% at 2% 36%, rgba(106, 111, 143, 0.22), transparent 62%),
    var(--ink-900);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(46, 86, 117, 0.26) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(46, 86, 117, 0.26) 1px, transparent 1px);
  background-size: clamp(46px, 6vw, 72px) clamp(46px, 6vw, 72px);
  -webkit-mask-image: radial-gradient(74% 64% at 62% 16%, #000, transparent 78%);
  mask-image: radial-gradient(74% 64% at 62% 16%, #000, transparent 78%);
  pointer-events: none;
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(30px, 4.5vw, 64px);
  margin-top: clamp(26px, 4vw, 48px);
}

.page-about .about-hero__title {
  margin: 16px 0 0;
  font-size: clamp(33px, 5vw, 64px);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: 0.015em;
  color: var(--paper);
}

.page-about .about-hero__text {
  margin: 22px 0 0;
  max-width: 52ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--mist);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  border: 1px solid rgba(46, 86, 117, 0.55);
  border-radius: var(--about-radius);
  background: rgba(46, 86, 117, 0.55);
  overflow: hidden;
}

.page-about .about-hero__stat {
  padding: clamp(16px, 2.4vw, 26px);
  background: rgba(6, 26, 46, 0.86);
}

.page-about .about-hero__stat dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-about .about-hero__stat dd {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-about .about-hero__stat dd span {
  margin-left: 4px;
  font-size: 0.42em;
  font-weight: 500;
  color: var(--mist);
}

/* ---------- 团队构成 ---------- */

.page-about .about-team__grid {
  display: grid;
  gap: clamp(34px, 5vw, 70px);
}

.page-about .about-team__figure {
  margin: clamp(26px, 3.6vw, 38px) 0 0;
}

.page-about .about-mix__bar {
  display: flex;
  gap: 3px;
  height: clamp(24px, 3.2vw, 36px);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.page-about .about-mix__seg {
  flex: 0 1 auto;
  min-width: 0;
  width: var(--w);
  height: 100%;
  display: block;
}

.page-about .about-mix__seg--a { background: var(--cyan); }
.page-about .about-mix__seg--b { background: var(--teal); }
.page-about .about-mix__seg--c { background: var(--violet); }
.page-about .about-mix__seg--d { background: var(--line); }

.page-about .about-mix__legend {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.page-about .about-mix__item {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: clamp(14px, 2vw, 20px);
  border-bottom: 1px solid rgba(46, 86, 117, 0.22);
}

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

.page-about .about-mix__swatch {
  width: 12px;
  height: 12px;
  margin-top: 6px;
  border-radius: 4px;
}

.page-about .about-mix__swatch--a { background: var(--cyan); }
.page-about .about-mix__swatch--b { background: var(--teal); }
.page-about .about-mix__swatch--c { background: var(--violet); }
.page-about .about-mix__swatch--d { background: var(--line); }

.page-about .about-mix__name {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-text);
}

.page-about .about-mix__count {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--teal);
}

.page-about .about-mix__desc {
  margin: 7px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--about-ink-soft);
}

/* ---------- 发展历程 ---------- */

.page-about .about-journey {
  background:
    radial-gradient(90% 60% at 100% 0%, rgba(50, 225, 208, 0.08), transparent 62%),
    var(--ink-800);
}

.page-about .about-tl {
  list-style: none;
  margin: clamp(34px, 5vw, 66px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(28px, 4vw, 46px);
  position: relative;
}

.page-about .about-tl::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(
    to bottom,
    var(--cyan),
    rgba(50, 225, 208, 0.16) 46%,
    rgba(46, 86, 117, 0.45)
  );
}

.page-about .about-tl__item {
  position: relative;
  padding-left: clamp(26px, 4vw, 42px);
}

.page-about .about-tl__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 2px solid var(--cyan);
  background: var(--ink-800);
  box-shadow: 0 0 0 5px rgba(50, 225, 208, 0.1);
}

.page-about .about-tl__item--now::before {
  border-color: var(--orange);
  box-shadow: 0 0 0 6px rgba(255, 138, 61, 0.16);
}

.page-about .about-tl__year {
  display: block;
  font-size: clamp(26px, 4.2vw, 44px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-about .about-tl__item--now .about-tl__year {
  color: var(--orange);
}

.page-about .about-tl__body {
  margin-top: 12px;
  max-width: 62ch;
}

.page-about .about-tl__tag {
  display: inline-block;
  border: 1px solid rgba(50, 225, 208, 0.4);
  color: var(--cyan);
  background: rgba(50, 225, 208, 0.08);
}

.page-about .about-tl__tag--now {
  border-color: rgba(255, 138, 61, 0.45);
  color: var(--coral);
  background: rgba(255, 138, 61, 0.1);
}

.page-about .about-tl__title {
  margin: 12px 0 0;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.45;
  font-weight: 800;
  color: var(--paper);
}

.page-about .about-tl__desc {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--mist);
}

/* ---------- 服务方法 ---------- */

.page-about .about-method__top {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

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

.page-about .about-steps {
  list-style: none;
  margin: clamp(34px, 4.6vw, 58px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
  counter-reset: step;
}

.page-about .about-steps__item {
  position: relative;
  padding: clamp(22px, 3vw, 32px);
  border-radius: var(--about-radius);
  background: linear-gradient(150deg, #EAF4FD 0%, #F7FCFF 62%, #EFF7FE 100%);
  border: 1px solid rgba(46, 86, 117, 0.14);
}

.page-about .about-steps__num {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--orange);
  font-weight: 700;
}

.page-about .about-steps__title {
  margin: 10px 0 0;
  font-size: clamp(18px, 2vw, 21px);
  font-weight: 800;
  color: var(--ink-text);
}

.page-about .about-steps__desc {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--about-ink-soft);
}

/* ---------- 合作生态 ---------- */

.page-about .about-eco {
  background:
    radial-gradient(80% 70% at 0% 0%, rgba(106, 111, 143, 0.22), transparent 66%),
    linear-gradient(180deg, #0B2A45 0%, #061A2E 100%);
}

.page-about .about-eco__grid {
  display: grid;
  gap: clamp(32px, 4.4vw, 64px);
}

.page-about .about-eco__link {
  margin-top: 26px;
}

.page-about .about-eco__figures {
  display: grid;
  gap: clamp(12px, 1.8vw, 16px);
}

.page-about .about-eco__figure {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: clamp(16px, 2.2vw, 22px) clamp(18px, 2.6vw, 26px);
  border-radius: var(--about-radius);
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(46, 86, 117, 0.5);
}

.page-about .about-eco__figure-num {
  flex: 0 0 auto;
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-about .about-eco__figure-label {
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist);
}

.page-about .about-eco__tags {
  list-style: none;
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .about-eco__tags .pill {
  border: 1px solid rgba(50, 225, 208, 0.32);
  color: var(--mist);
  background: rgba(50, 225, 208, 0.07);
}

.page-about .about-eco__note {
  margin: clamp(20px, 2.6vw, 26px) 0 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--mist);
  max-width: 56ch;
}

/* ---------- 资质与荣誉 ---------- */

.page-about .about-honors {
  overflow: hidden;
  background: var(--ink-900);
}

.page-about .about-honors__texture {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.page-about .about-honors__texture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
}

.page-about .about-honors .shell {
  position: relative;
  z-index: 1;
}

.page-about .about-honors__grid {
  display: grid;
  gap: clamp(32px, 4.4vw, 60px);
}

.page-about .about-honor {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
}

.page-about .about-honor__item {
  padding: 0 0 clamp(18px, 2.4vw, 26px);
  border-bottom: 1px solid rgba(106, 111, 143, 0.32);
}

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

.page-about .about-honor__tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--coral);
}

.page-about .about-honor__title {
  margin: 10px 0 0;
  font-size: clamp(17px, 1.9vw, 20px);
  line-height: 1.5;
  font-weight: 700;
  color: var(--paper);
}

.page-about .about-honor__desc {
  margin: 9px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 54ch;
}

.page-about .about-honors__cta {
  margin-top: clamp(36px, 5vw, 64px);
  padding: clamp(24px, 3.4vw, 40px);
  border-radius: var(--about-radius);
  background: linear-gradient(120deg, rgba(50, 225, 208, 0.12) 0%, rgba(11, 42, 69, 0.9) 58%, rgba(11, 42, 69, 0.9) 100%);
  border: 1px solid rgba(50, 225, 208, 0.28);
  display: grid;
  gap: 22px;
}

.page-about .about-honors__cta-text {
  margin: 0;
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.7;
  font-weight: 600;
  color: var(--paper);
  max-width: 42ch;
}

.page-about .about-honors__cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */

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

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

  .page-about .about-eco__figure {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .page-about .about-honors__cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
    gap: clamp(36px, 5vw, 76px);
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    align-items: start;
  }

  .page-about .about-method__top {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    align-items: center;
  }

  .page-about .about-eco__grid {
    grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
    align-items: start;
  }

  .page-about .about-honors__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-about .about-tl__item:nth-child(2) .about-tl__body { margin-left: 2.5%; }
  .page-about .about-tl__item:nth-child(3) .about-tl__body { margin-left: 5%; }
  .page-about .about-tl__item:nth-child(4) .about-tl__body { margin-left: 7.5%; }
  .page-about .about-tl__item:nth-child(5) .about-tl__body { margin-left: 10%; }
}

@media (min-width: 1180px) {
  .page-about .about-hero__stat {
    padding: 28px 30px;
  }

  .page-about .about-mix__legend {
    gap: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-tl__item::before {
    box-shadow: none;
  }
}
<<<END>>>

.page-about {
  --w: 1rem;
}