.page-about {
  --about-pad: clamp(3.25rem, 7vw, 6rem);
  --about-card-surface: rgba(247, 250, 252, 0.06);
  background: var(--ink);
  color: var(--white);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-about .about-crumb {
  background: var(--ink-deep);
  padding: 1.25rem 0;
  border-bottom: 1px solid rgba(107, 122, 138, 0.22);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: var(--about-pad) 0 calc(var(--about-pad) * 0.9);
  background:
    radial-gradient(120% 95% at 88% -12%, rgba(92, 242, 214, 0.18), transparent 58%),
    radial-gradient(105% 80% at -5% 105%, rgba(255, 107, 53, 0.14), transparent 62%),
    linear-gradient(180deg, var(--ink-deep) 0%, var(--ink) 100%);
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}

.page-about .about-hero__kicker {
  font-family: var(--font-data);
  font-size: 0.76rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--neon);
  margin: 0 0 1rem;
}

.page-about .about-hero__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2.3rem, 6.2vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 0 0 1.2rem;
  color: var(--white);
}

.page-about .about-hero__lede {
  font-size: 1.02rem;
  line-height: 1.78;
  color: rgba(247, 250, 252, 0.82);
  max-width: 48ch;
  margin: 0 0 1.8rem;
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  margin: 0 0 1.8rem;
  padding: 1.1rem 0;
  border-top: 1px solid rgba(215, 231, 242, 0.18);
  border-bottom: 1px solid rgba(215, 231, 242, 0.18);
}

.page-about .about-hero__stats dt {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--archive);
  margin-bottom: 0.4rem;
}

.page-about .about-hero__stats dd {
  margin: 0;
  font-size: 1.32rem;
  line-height: 1.2;
  color: var(--white);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-about .about-hero__visual {
  margin: 0;
  width: 100%;
}

.page-about .about-hero__visual .media-frame__img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 品牌起源 ---------- */
.page-about .about-origin {
  padding: var(--about-pad) 0;
  background: var(--sand);
  color: var(--ink);
}

.page-about .about-origin__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.page-about .about-origin__kicker {
  font-family: var(--font-data);
  font-size: 0.76rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--signal-deep);
  margin: 0 0 0.75rem;
}

.page-about .about-origin__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--pine);
  position: relative;
  padding-bottom: 1rem;
}

.page-about .about-origin__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 3.5rem;
  height: 3px;
  background: linear-gradient(90deg, var(--signal), var(--signal-deep));
}

.page-about .about-origin__body p {
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(11, 31, 51, 0.86);
  margin: 0 0 1rem;
}

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

.page-about .about-origin__link {
  color: var(--signal-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1.5px;
}

.page-about .about-origin__link:hover {
  color: var(--pine);
}

/* ---------- 发展历程 ---------- */
.page-about .about-timeline {
  padding: var(--about-pad) 0;
  background:
    linear-gradient(180deg, var(--pine) 0%, #0C2620 100%);
  color: var(--white);
}

.page-about .about-timeline__head {
  margin-bottom: clamp(2rem, 4.5vw, 3rem);
}

.page-about .about-timeline__kicker {
  font-family: var(--font-data);
  font-size: 0.76rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--neon);
  margin: 0 0 0.75rem;
}

.page-about .about-timeline__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.9rem, 4.2vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 0.85rem;
  color: var(--white);
}

.page-about .about-timeline__intro {
  font-size: 0.98rem;
  line-height: 1.75;
  color: rgba(247, 250, 252, 0.7);
  max-width: 54ch;
  margin: 0;
}

.page-about .about-timeline__body {
  display: grid;
  gap: clamp(2rem, 4vw, 3rem);
  align-items: start;
}

.page-about .about-timeline__list {
  list-style: none;
  position: relative;
  padding: 0.4rem 0 0.4rem 2rem;
  margin: 0;
}

.page-about .about-timeline__list::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  background: linear-gradient(180deg, var(--neon) 0%, rgba(92, 242, 214, 0.08) 100%);
  border-radius: 2px;
}

.page-about .about-timeline__item {
  position: relative;
  padding-bottom: 1.8rem;
}

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

.page-about .about-timeline__dot {
  position: absolute;
  left: -1.75rem;
  top: 0.45rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 4px rgba(92, 242, 214, 0.16);
}

.page-about .about-timeline__year {
  display: block;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--neon);
  margin-bottom: 0.4rem;
}

.page-about .about-timeline__content h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.28rem;
  letter-spacing: -0.005em;
  line-height: 1.25;
  margin: 0 0 0.45rem;
  color: var(--white);
}

.page-about .about-timeline__content p {
  font-size: 0.94rem;
  line-height: 1.72;
  color: rgba(247, 250, 252, 0.7);
  margin: 0;
  max-width: 58ch;
}

.page-about .about-timeline__visual {
  margin: 0;
  width: 100%;
}

.page-about .about-timeline__visual .media-frame__img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 团队与服务能力 ---------- */
.page-about .about-team {
  padding: var(--about-pad) 0;
  background:
    radial-gradient(90% 70% at 100% 0%, rgba(255, 107, 53, 0.10), transparent 60%),
    var(--ice);
  color: var(--ink);
}

.page-about .about-team__grid {
  display: grid;
  gap: clamp(1.8rem, 4.5vw, 3rem);
  align-items: start;
}

.page-about .about-team__kicker {
  font-family: var(--font-data);
  font-size: 0.76rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--signal-deep);
  margin: 0 0 0.75rem;
}

.page-about .about-team__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  line-height: 1.1;
  letter-spacing: -0.018em;
  margin: 0 0 1rem;
  color: var(--pine);
}

.page-about .about-team__text {
  font-size: 0.98rem;
  line-height: 1.8;
  color: rgba(11, 31, 51, 0.86);
  margin: 0 0 1.6rem;
  max-width: 52ch;
}

.page-about .about-team__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.page-about .about-team__stat {
  padding: 0.95rem 1rem 1rem;
  background: rgba(247, 250, 252, 0.82);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--signal);
}

.page-about .about-team__stat b {
  display: block;
  font-size: 1.55rem;
  line-height: 1;
  color: var(--pine);
  letter-spacing: -0.02em;
}

.page-about .about-team__stat span {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.82rem;
  color: var(--archive);
  letter-spacing: 0.02em;
}

.page-about .about-team__visual {
  margin: 0;
  width: 100%;
}

.page-about .about-team__visual .media-frame__img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 合作生态 ---------- */
.page-about .about-partners {
  padding: var(--about-pad) 0;
  background: var(--sand);
  color: var(--ink);
}

.page-about .about-partners__head {
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.page-about .about-partners__kicker {
  font-family: var(--font-data);
  font-size: 0.76rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--signal-deep);
  margin: 0 0 0.75rem;
}

.page-about .about-partners__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  line-height: 1.1;
  letter-spacing: -0.018em;
  margin: 0 0 0.9rem;
  color: var(--pine);
}

.page-about .about-partners__intro {
  font-size: 0.98rem;
  line-height: 1.78;
  color: rgba(11, 31, 51, 0.78);
  max-width: 56ch;
  margin: 0;
}

.page-about .about-partners__grid {
  display: grid;
  gap: 0.9rem;
}

.page-about .about-partner {
  position: relative;
  padding: 1.3rem 1.35rem 1.35rem;
  background: rgba(247, 250, 252, 0.94);
  border-radius: var(--radius-md);
  border-bottom: 3px solid transparent;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-about .about-partner:hover {
  border-bottom-color: var(--signal);
  transform: translateY(-2px);
}

.page-about .about-partner__num {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--signal-deep);
  margin: 0 0 0.5rem;
}

.page-about .about-partner h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1.25;
  margin: 0 0 0.5rem;
  color: var(--pine);
}

.page-about .about-partner p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(11, 31, 51, 0.74);
  margin: 0;
}

.page-about .about-honor {
  margin-top: 1.75rem;
  padding: 1.05rem 1.25rem;
  background: linear-gradient(100deg, rgba(18, 51, 43, 0.92), rgba(11, 31, 51, 0.92));
  border-radius: var(--radius-md);
  border-left: 4px solid var(--neon);
}

.page-about .about-honor__text {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.7;
  color: rgba(247, 250, 252, 0.88);
}

/* ---------- 为什么选择 ---------- */
.page-about .about-why {
  padding: var(--about-pad) 0;
  background:
    radial-gradient(95% 80% at 10% 0%, rgba(92, 242, 214, 0.14), transparent 58%),
    linear-gradient(180deg, var(--ink-deep) 0%, var(--ink) 100%);
  color: var(--white);
}

.page-about .about-why__head {
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.page-about .about-why__kicker {
  font-family: var(--font-data);
  font-size: 0.76rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--neon);
  margin: 0 0 0.75rem;
}

.page-about .about-why__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.85rem, 4.2vw, 2.85rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--white);
  max-width: 22ch;
}

.page-about .about-why__grid {
  display: grid;
  gap: 0.9rem;
}

.page-about .about-why__card {
  padding: 1.4rem 1.4rem 1.5rem;
  background: var(--about-card-surface);
  border: 1px solid rgba(92, 242, 214, 0.16);
  border-radius: var(--radius-md);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-about .about-why__card:hover {
  border-color: rgba(92, 242, 214, 0.42);
  background: rgba(92, 242, 214, 0.07);
}

.page-about .about-why__num {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--signal);
  margin: 0 0 0.6rem;
}

.page-about .about-why__card h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.28rem;
  letter-spacing: -0.005em;
  line-height: 1.25;
  margin: 0 0 0.55rem;
  color: var(--white);
}

.page-about .about-why__card p {
  font-size: 0.93rem;
  line-height: 1.75;
  color: rgba(247, 250, 252, 0.74);
  margin: 0;
}

.page-about .about-why__note {
  margin: 1.75rem 0 0;
  padding-left: 1rem;
  border-left: 3px solid var(--signal);
  font-size: 0.93rem;
  line-height: 1.72;
  color: rgba(247, 250, 252, 0.74);
}

.page-about .about-why__link {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-why__link:hover {
  color: var(--neon-soft);
}

/* ---------- 尾部召唤 ---------- */
.page-about .about-cta {
  position: relative;
  padding: var(--about-pad) 0;
  background:
    radial-gradient(110% 80% at 100% 100%, rgba(92, 242, 214, 0.16), transparent 58%),
    linear-gradient(135deg, var(--pine) 0%, var(--ink) 100%);
  color: var(--white);
}

.page-about .about-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--neon) 0%, var(--signal) 65%, transparent 100%);
}

.page-about .about-cta__inner {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  max-width: 62ch;
}

.page-about .about-cta__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.7rem, 3.8vw, 2.5rem);
  line-height: 1.12;
  letter-spacing: -0.018em;
  margin: 0;
  color: var(--white);
}

.page-about .about-cta__text {
  font-size: 0.98rem;
  line-height: 1.78;
  color: rgba(247, 250, 252, 0.78);
  margin: 0;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.35rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about .about-partners__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-team__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 4rem);
  }

  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    gap: clamp(2rem, 5vw, 3.5rem);
    align-items: start;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(2rem, 5vw, 3.5rem);
  }

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

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

  .page-about .about-timeline__body {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: clamp(2.5rem, 5vw, 4rem);
  }

  .page-about .about-timeline__visual {
    position: sticky;
    top: calc(var(--header-space) + 1rem);
  }

  .page-about .about-timeline__visual .media-frame__img {
    max-height: 480px;
    object-fit: cover;
  }
}
<<<END>>>