.page-about {
  --about-line: rgba(244, 241, 232, 0.14);
  --about-line-soft: rgba(244, 241, 232, 0.07);
  --about-pad: clamp(44px, 7vw, 92px);
  background: var(--pitch);
  color: var(--bone);
}

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

.page-about .about-crumbs {
  padding: 20px 0 4px;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: 12px 0 var(--about-pad);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: -60px 0 auto 0;
  height: clamp(240px, 46vw, 430px);
  background: linear-gradient(108deg, rgba(200, 255, 61, 0.11) 0%, rgba(200, 255, 61, 0) 42%, rgba(255, 107, 53, 0.14) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 62%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

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

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-about .about-hero__figure {
  margin: 0 0 18px;
}

.page-about .about-hero__figure .figure__media {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: var(--r-m);
  border: 1px solid var(--about-line);
  background: var(--moss);
}

.page-about .about-hero__figure .figure__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.04);
}

.page-about .about-hero__figure .figure__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--sage);
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}

.page-about .about-hero__fact {
  border-top: 1px solid var(--about-line);
  padding-top: 10px;
}

.page-about .about-hero__fact dt {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--sage);
  line-height: 1.5;
}

.page-about .about-hero__fact dd {
  margin: 4px 0 0;
  font-family: var(--font-num);
  font-size: 22px;
  font-weight: 600;
  color: var(--bone);
}

.page-about .about-hero h1 {
  font-family: var(--font-title);
  font-size: clamp(31px, 7.4vw, 62px);
  line-height: 1.06;
  letter-spacing: 0.02em;
  font-weight: 800;
  margin: 12px 0 0;
  color: var(--white);
}

.page-about .about-hero__lede {
  margin: 20px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--bone);
}

.page-about .about-hero__body {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--sage);
}

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

.page-about .about-hero__actions .btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

/* ---------- 为什么这么做 ---------- */
.page-about .about-why {
  background: var(--moss);
  border-top: 1px solid var(--about-line-soft);
  border-bottom: 1px solid var(--about-line-soft);
  padding: var(--about-pad) 0;
}

.page-about .about-why__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-about .about-why h2 {
  font-family: var(--font-title);
  font-size: clamp(24px, 4.6vw, 38px);
  line-height: 1.22;
  letter-spacing: 0.01em;
  margin: 10px 0 0;
  color: var(--white);
}

.page-about .about-why__body p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--sage);
}

.page-about .about-why__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-about .about-why__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  padding: 16px 0;
  border-top: 1px solid var(--about-line);
}

.page-about .about-why__k {
  flex: 0 0 96px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--lime);
}

.page-about .about-why__v {
  flex: 1 1 220px;
  min-width: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--bone);
}

/* ---------- 时间轴 ---------- */
.page-about .about-era {
  padding: var(--about-pad) 0;
}

.page-about .about-era__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-about .about-era__rail-title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--sage);
}

.page-about .about-era__steps {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-about .about-era__steps::-webkit-scrollbar {
  display: none;
}

.page-about .about-era__step {
  flex: 0 0 auto;
  min-width: 132px;
  padding: 10px 12px;
  border: 1px solid var(--about-line);
  border-radius: var(--r-s);
  background: rgba(22, 43, 36, 0.7);
}

.page-about .about-era__step-num {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ember);
}

.page-about .about-era__step-k {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: var(--bone);
}

.page-about .about-era__head h2 {
  font-family: var(--font-title);
  font-size: clamp(24px, 4.6vw, 38px);
  line-height: 1.22;
  margin: 10px 0 0;
  color: var(--white);
}

.page-about .about-era__head .lede {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sage);
}

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

.page-about .about-era__item {
  position: relative;
  padding: 18px 18px 20px;
  border: 1px solid var(--about-line);
  border-left: 2px solid var(--rock);
  border-radius: 0 var(--r-m) var(--r-m) 0;
  background: linear-gradient(180deg, rgba(22, 43, 36, 0.55), rgba(14, 31, 26, 0.2));
  box-shadow: var(--shadow);
  transition: border-left-color var(--t), transform var(--t);
}

.page-about .about-era__item:hover {
  border-left-color: var(--lime);
  transform: translateX(2px);
}

.page-about .about-era__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
}

.page-about .about-era__meta .num {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ember);
}

.page-about .about-era__item h3 {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--white);
}

.page-about .about-era__item p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--sage);
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  position: relative;
  background: var(--bone);
  color: var(--pitch);
  padding: calc(var(--about-pad) + 10px) 0 var(--about-pad);
}

.page-about .about-team::before {
  content: "";
  position: absolute;
  top: -12px;
  left: 0;
  right: 0;
  height: 12px;
  background: linear-gradient(90deg, var(--clay), var(--ember) 48%, var(--lime));
  clip-path: polygon(0 100%, 100% 0, 100% 100%, 0 100%);
}

.page-about .about-team__head {
  max-width: 720px;
}

.page-about .about-team__eyebrow {
  color: var(--clay);
}

.page-about .about-team h2 {
  font-family: var(--font-title);
  font-size: clamp(24px, 4.8vw, 40px);
  line-height: 1.2;
  letter-spacing: 0.01em;
  margin: 10px 0 0;
  color: var(--pitch);
}

.page-about .about-team__lede {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: #45514b;
}

.page-about .about-team__figure {
  margin: 28px 0 0;
}

.page-about .about-team__figure .figure__media {
  aspect-ratio: 14 / 9;
  overflow: hidden;
  border-radius: var(--r-m);
  border: 1px solid rgba(14, 31, 26, 0.14);
  background: rgba(14, 31, 26, 0.08);
}

.page-about .about-team__figure .figure__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .about-team__figure .figure__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: #5b6761;
}

.page-about .about-team__roles {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-about .about-team__role {
  padding: 18px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(14, 31, 26, 0.13);
  border-radius: var(--r-m);
  transition: transform var(--t), border-color var(--t);
}

.page-about .about-team__role:hover {
  transform: translateY(-2px);
  border-color: rgba(183, 101, 63, 0.5);
}

.page-about .about-team__role-num {
  margin: 0;
  font-family: var(--font-num);
  font-size: 26px;
  font-weight: 600;
  line-height: 1;
  color: var(--ember);
}

.page-about .about-team__role-title {
  margin: 10px 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--pitch);
}

.page-about .about-team__role-desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: #4a564f;
}

/* ---------- 服务范围 ---------- */
.page-about .about-reach {
  background: var(--moss);
  padding: var(--about-pad) 0;
}

.page-about .about-reach__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-about .about-reach h2 {
  font-family: var(--font-title);
  font-size: clamp(24px, 4.6vw, 38px);
  line-height: 1.22;
  margin: 10px 0 0;
  color: var(--white);
}

.page-about .about-reach__text > p {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--sage);
}

.page-about .about-reach__partners {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}

.page-about .about-reach__partners li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px;
  border: 1px solid var(--about-line);
  border-radius: var(--r-s);
  background: rgba(14, 31, 26, 0.45);
}

.page-about .about-reach__partners .num {
  font-family: var(--font-num);
  font-size: 24px;
  font-weight: 600;
  color: var(--lime);
}

.page-about .about-reach__partners span:last-child {
  font-size: 13px;
  color: var(--bone);
}

.page-about .about-reach__foot {
  border-left: 2px solid var(--clay);
  padding-left: 14px;
  margin-top: 22px !important;
}

.page-about .about-reach__figure {
  margin: 0 0 16px;
}

.page-about .about-reach__figure .figure__media {
  aspect-ratio: 14 / 9;
  overflow: hidden;
  border-radius: var(--r-m);
  border: 1px solid var(--about-line);
  background: var(--pitch);
}

.page-about .about-reach__figure .figure__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.95);
}

.page-about .about-reach__figure .figure__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--sage);
}

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

.page-about .about-reach__stat {
  background: var(--moss);
  padding: 14px;
}

.page-about .about-reach__stat dt {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--sage);
}

.page-about .about-reach__stat dd {
  margin: 6px 0 0;
  font-family: var(--font-num);
  font-size: 26px;
  font-weight: 600;
  line-height: 1.1;
  color: var(--white);
}

.page-about .about-reach__unit {
  font-size: 14px;
  margin-left: 2px;
  color: var(--mist);
}

/* ---------- 联络 ---------- */
.page-about .about-contact {
  padding: var(--about-pad) 0;
  background: linear-gradient(180deg, var(--pitch) 0%, #0a1815 100%);
}

.page-about .about-contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-about .about-contact h2 {
  font-family: var(--font-title);
  font-size: clamp(24px, 4.6vw, 38px);
  line-height: 1.22;
  margin: 10px 0 0;
  color: var(--white);
}

.page-about .about-contact__text p {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--sage);
}

.page-about .about-contact__btn {
  margin-top: 24px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.page-about .about-contact__card {
  padding: 22px;
  border: 1px solid var(--lime-line);
  border-radius: var(--r-m);
  background: rgba(22, 43, 36, 0.72);
  box-shadow: var(--shadow);
}

.page-about .about-contact__card-title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-about .about-contact__mail {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
  width: 100%;
  min-height: 44px;
  padding: 12px 14px;
  text-align: left;
  cursor: pointer;
  background: rgba(200, 255, 61, 0.08);
  border: 1px solid var(--lime-line);
  border-radius: var(--r-s);
  color: var(--bone);
  font-family: inherit;
  font-size: 14px;
  transition: background var(--t), border-color var(--t);
}

.page-about .about-contact__mail:hover,
.page-about .about-contact__mail:focus-visible {
  background: rgba(200, 255, 61, 0.16);
  border-color: var(--lime);
}

.page-about .about-contact__mail-text {
  font-family: var(--font-num);
  font-size: 13.5px;
  word-break: break-all;
}

.page-about .about-contact__mail-hint {
  font-size: 12px;
  color: var(--sage);
}

.page-about .copy[data-copy-state="done"] .about-contact__mail-hint {
  color: var(--lime);
}

.page-about .about-contact__list {
  margin: 18px 0 0;
  padding: 0;
}

.page-about .about-contact__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  padding: 12px 0;
  border-top: 1px solid var(--about-line-soft);
}

.page-about .about-contact__row dt {
  flex: 0 0 88px;
  font-size: 13px;
  color: var(--sage);
}

.page-about .about-contact__row dd {
  flex: 1 1 180px;
  min-width: 0;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--bone);
  word-break: break-word;
}

.page-about .about-contact__row dd.num {
  font-family: var(--font-num);
}

.page-about .about-contact__note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--sage);
}

/* ---------- 减少动态 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-about .about-era__item,
  .page-about .about-team__role,
  .page-about .about-contact__mail {
    transition: none;
  }
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 700px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.3fr);
    gap: 38px;
    align-items: start;
  }

  .page-about .about-hero__figure {
    margin-bottom: 22px;
  }

  .page-about .about-why__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.5fr);
    gap: 40px;
  }

  .page-about .about-why__head {
    position: sticky;
    top: calc(var(--bar-h) + 28px);
  }

  .page-about .about-team__roles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-about .about-era__grid {
    grid-template-columns: 214px minmax(0, 1fr);
    gap: 54px;
    align-items: start;
  }

  .page-about .about-era__rail {
    position: sticky;
    top: calc(var(--bar-h) + 30px);
  }

  .page-about .about-era__steps {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    position: relative;
    padding: 0;
  }

  .page-about .about-era__steps::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10px;
    bottom: 12px;
    width: 1px;
    background: linear-gradient(180deg, var(--lime), rgba(200, 255, 61, 0.1));
  }

  .page-about .about-era__step {
    min-width: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    padding: 10px 0 10px 18px;
    position: relative;
  }

  .page-about .about-era__step::before {
    content: "";
    position: absolute;
    left: -3px;
    top: 17px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--rock);
    transition: background var(--t), transform var(--t);
  }

  .page-about .about-era__step:hover::before {
    background: var(--lime);
    transform: scale(1.25);
  }

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

  .page-about .about-reach__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 46px;
    align-items: start;
  }

  .page-about .about-contact__grid {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.86fr);
    gap: 52px;
    align-items: start;
  }
}

@media (min-width: 1120px) {
  .page-about .about-hero {
    padding-top: 24px;
  }

  .page-about .about-hero__lede {
    font-size: 17px;
  }

  .page-about .about-team__roles {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}
<<<PAGE_CSS_DONE>>>