.page-about {
  --about-edge: rgba(255, 255, 255, 0.14);
  --about-line: rgba(11, 13, 16, 0.14);
  --about-glow: rgba(212, 162, 74, 0.22);
  display: block;
  background: var(--ink);
  color: var(--white);
  overflow-x: hidden;
}

/* ── 首屏 ── */
.page-about .about-hero {
  position: relative;
  padding: 0 0 64px;
  background:
    radial-gradient(115% 85% at 86% 6%, var(--about-glow), transparent 60%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  overflow: hidden;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(199, 205, 212, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(199, 205, 212, 0.055) 1px, transparent 1px);
  background-size: 76px 76px;
  pointer-events: none;
}

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

.page-about .about-hero .breadcrumb {
  padding-top: 26px;
  margin-bottom: 46px;
}

.page-about .about-hero__title {
  margin: 20px 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 8vw, 5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: 0.045em;
  color: var(--white);
  text-shadow: 6px 6px 0 rgba(212, 162, 74, 0.16);
}

.page-about .about-hero__lead {
  max-width: 46ch;
  margin: 26px 0 0;
  font-size: 1.03rem;
  line-height: 1.85;
  color: var(--silver);
}

.page-about .about-hero__figures {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 46px 0 0;
  border-top: 2px solid rgba(212, 162, 74, 0.45);
}

.page-about .about-hero__figures > div {
  padding: 18px 2px;
  border-bottom: 1px solid var(--about-edge);
}

.page-about .about-hero__figures dt {
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  color: var(--silver);
}

.page-about .about-hero__figures dd {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 1.86rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--gold-soft);
}

/* ── 品牌主张 ── */
.page-about .about-claim {
  background: var(--paper);
  color: var(--ink);
}

.page-about .about-claim .eyebrow {
  color: #8a6a24;
}

.page-about .about-claim__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-about .about-claim__copy h2 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 6vw, 3.4rem);
  font-weight: 900;
  letter-spacing: 0.1em;
  color: var(--ink);
}

.page-about .about-claim__copy p {
  max-width: 54ch;
  margin: 20px 0 0;
  font-size: 1rem;
  line-height: 1.85;
  color: #33383f;
}

.page-about .about-claim__copy .mono {
  font-family: var(--font-mono);
  font-size: 0.94em;
  color: #7a5a18;
  border-bottom: 2px solid var(--gold);
  padding-bottom: 1px;
}

.page-about .about-claim__points {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  border-top: 2px solid var(--ink);
}

.page-about .about-claim__points li {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--about-line);
}

.page-about .about-claim__points b {
  font-size: 1.02rem;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.page-about .about-claim__points span {
  font-size: 0.94rem;
  line-height: 1.75;
  color: #4b5158;
}

.page-about .about-claim__media {
  border: 3px solid var(--ink);
  box-shadow: 12px 12px 0 rgba(212, 162, 74, 0.55);
}

/* ── 服务能力与覆盖 ── */
.page-about .about-reach {
  background: var(--ink-2);
  color: var(--white);
}

.page-about .about-reach .section-head h2 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  font-weight: 900;
  letter-spacing: 0.05em;
  color: var(--white);
}

.page-about .about-reach .section-head p {
  max-width: 52ch;
  margin: 18px 0 0;
  line-height: 1.85;
  color: var(--silver);
}

.page-about .about-reach__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 40px;
}

.page-about .about-reach__stat {
  background: rgba(11, 13, 16, 0.72);
  border: 2px solid var(--brut);
  padding: 24px 22px 26px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.page-about .about-reach__stat:hover {
  transform: translateY(-4px);
  border-color: var(--gold);
}

.page-about .about-reach__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1;
  color: var(--gold-soft);
  -webkit-text-stroke: 0;
}

.page-about .about-reach__stat h3 {
  margin: 12px 0 0;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--white);
}

.page-about .about-reach__stat p {
  margin: 10px 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--silver);
}

.page-about .about-reach__list {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  border-top: 2px solid rgba(212, 162, 74, 0.4);
}

.page-about .about-reach__list li {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--about-edge);
}

.page-about .about-reach__list b {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  color: var(--aqua);
}

.page-about .about-reach__list span {
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--silver);
}

/* ── 三线筛选区 ── */
.page-about .about-threads {
  background: var(--paper);
  color: var(--ink);
}

.page-about .about-threads__bar {
  padding: 46px 0 0;
}

.page-about .about-threads .section-head h2 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5vw, 2.6rem);
  font-weight: 900;
  letter-spacing: 0.05em;
  color: var(--ink);
}

.page-about .about-threads .section-head p {
  max-width: 54ch;
  margin: 18px 0 0;
  line-height: 1.85;
  color: #454b52;
}

/* 时间轴 */
.page-about .about-timeline-section .eyebrow,
.page-about .about-team .eyebrow,
.page-about .about-values .eyebrow {
  color: #8a6a24;
}

.page-about .about-timeline-section__media {
  margin: 38px 0 46px;
  border: 3px solid var(--ink);
  box-shadow: 12px 12px 0 rgba(212, 162, 74, 0.55);
}

.page-about .about-timeline {
  list-style: none;
  position: relative;
  margin: 0;
  padding: 0 0 0 52px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--gold) 0%, rgba(212, 162, 74, 0.1) 100%);
}

.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 38px;
  cursor: default;
}

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

.page-about .about-timeline__num {
  position: absolute;
  left: -52px;
  top: 0;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: transform 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.page-about .about-timeline__item:hover .about-timeline__num,
.page-about .about-timeline__item:focus-within .about-timeline__num {
  background: var(--amber);
  transform: scale(1.18);
  box-shadow: 0 0 0 5px rgba(240, 138, 60, 0.22);
}

.page-about .about-timeline__mark {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: #8a6a24;
}

.page-about .about-timeline__item h3 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 1.24rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--ink);
}

.page-about .about-timeline__item > p:not(.about-timeline__mark):not(.about-timeline__more) {
  max-width: 56ch;
  margin: 10px 0 0;
  font-size: 0.96rem;
  line-height: 1.8;
  color: #454b52;
}

.page-about .about-timeline__more {
  max-height: 0;
  margin: 0;
  opacity: 0;
  overflow: hidden;
  font-size: 0.9rem;
  line-height: 1.75;
  color: #6b7078;
  border-left: 2px solid var(--gold);
  transition: max-height 0.35s ease, opacity 0.25s ease, margin 0.3s ease, padding 0.3s ease;
}

.page-about .about-timeline__item:hover .about-timeline__more,
.page-about .about-timeline__item:focus-within .about-timeline__more {
  max-height: 160px;
  margin-top: 12px;
  padding-left: 14px;
  opacity: 1;
}

/* 团队 */
.page-about .about-team {
  background: var(--ink);
  color: var(--white);
  margin-top: 0;
}

.page-about .about-team .eyebrow {
  color: var(--gold);
}

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 38px;
}

.page-about .about-team__intro h2 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5vw, 2.6rem);
  font-weight: 900;
  letter-spacing: 0.05em;
  color: var(--white);
}

.page-about .about-team__intro > p {
  max-width: 52ch;
  margin: 18px 0 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--silver);
}

.page-about .about-team__media {
  margin: 30px 0 0;
  border: 3px solid var(--gold);
  box-shadow: 10px 10px 0 rgba(63, 224, 208, 0.18);
}

.page-about .about-team__roster {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 2px solid var(--gold);
}

.page-about .about-team__card {
  padding: 22px 0 24px;
  border-bottom: 1px solid var(--about-edge);
  transition: background 0.25s ease, padding-left 0.25s ease;
}

.page-about .about-team__card:hover {
  background: rgba(212, 162, 74, 0.07);
  padding-left: 12px;
}

.page-about .about-team__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  color: var(--gold-soft);
}

.page-about .about-team__card h3 {
  margin: 8px 0 0;
  font-size: 1.06rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--white);
}

.page-about .about-team__card p:last-child {
  margin: 10px 0 0;
  font-size: 0.93rem;
  line-height: 1.78;
  color: var(--silver);
}

.page-about .about-team__card--note {
  border-bottom: none;
  background: rgba(63, 224, 208, 0.06);
  padding-left: 14px;
  border-left: 3px solid var(--aqua);
}

.page-about .about-team__card--note .about-team__idx {
  color: var(--aqua);
}

/* 价值观 */
.page-about .about-values {
  background: var(--paper);
  color: var(--ink);
}

.page-about .about-values__grid {
  margin-top: 38px;
}

.page-about .about-values__card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 22px 28px;
  background: var(--white);
  border: 2px solid var(--ink);
  box-shadow: 8px 8px 0 rgba(11, 13, 16, 0.9);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-about .about-values__card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 11px 11px 0 rgba(212, 162, 74, 0.85);
}

.page-about .about-values__tag {
  align-self: flex-start;
}

.page-about .about-values__card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.16rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.page-about .about-values__card p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: #454b52;
}

/* 收尾 */
.page-about .about-next {
  background:
    radial-gradient(100% 120% at 8% 100%, rgba(240, 138, 60, 0.16), transparent 62%),
    var(--ink-2);
  color: var(--white);
}

.page-about .about-next__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: center;
}

.page-about .about-next__copy h2 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4.6vw, 2.4rem);
  font-weight: 900;
  letter-spacing: 0.05em;
  color: var(--white);
}

.page-about .about-next__copy p {
  max-width: 50ch;
  margin: 18px 0 0;
  line-height: 1.85;
  color: var(--silver);
}

.page-about .about-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

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

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

  .page-about .about-hero__figures > div {
    padding: 22px 18px 22px 0;
    border-bottom: 1px solid var(--about-edge);
  }

  .page-about .about-team__roster {
    grid-template-columns: repeat(2, 1fr);
    gap: 0 30px;
  }

  .page-about .about-claim__points li {
    grid-template-columns: 150px 1fr;
    gap: 18px;
    align-items: baseline;
  }

  .page-about .about-reach__list li {
    grid-template-columns: 130px 1fr;
    gap: 22px;
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-about .about-hero {
    padding-bottom: 88px;
  }

  .page-about .about-hero__lead {
    font-size: 1.1rem;
  }

  .page-about .about-claim__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 58px;
    align-items: start;
  }

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

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 54px;
    align-items: start;
  }

  .page-about .about-team__roster {
    grid-template-columns: 1fr;
  }

  .page-about .about-next__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 46px;
  }

  .page-about .about-next__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .page-about .about-timeline {
    padding-left: 62px;
  }

  .page-about .about-timeline::before {
    left: 19px;
  }

  .page-about .about-timeline__num {
    left: -62px;
  }
}

@media (min-width: 1200px) {
  .page-about .about-claim__grid {
    gap: 72px;
  }

  .page-about .about-reach__stat {
    padding: 30px 26px 32px;
  }

  .page-about .about-reach__num {
    font-size: 3rem;
  }
}
<<<END>>>