.page-about {
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

.page-about [id] {
  scroll-margin-top: 28px;
}

.page-about .breadcrumb {
  padding-top: 26px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-about .breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  color: var(--wine-mist);
}

.page-about .breadcrumb li + li::before {
  content: "／";
  margin-right: 6px;
  color: var(--gold);
}

.page-about .breadcrumb a {
  color: var(--wine-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.page-about .breadcrumb a:hover {
  border-bottom-color: var(--gold);
}

/* ---------- 首屏 ---------- */
.page-about .ab-hero {
  display: grid;
  gap: 32px;
  padding: 26px 0 48px;
}

.page-about .ab-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(2rem, 7vw, 3.4rem);
  line-height: 1.1;
  color: var(--wine);
}

.page-about .ab-hero__lead {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.85;
  color: #3a322c;
}

.page-about .ab-hero__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin: 28px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--rule-gold);
}

.page-about .ab-hero__fact dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-about .ab-hero__fact dd {
  margin: 4px 0 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 1.15rem;
  color: var(--wine);
}

.page-about .ab-hero__figure {
  margin: 0;
}

.page-about .ab-hero__figure .figure__frame {
  position: relative;
  box-shadow: var(--shadow-card);
}

.page-about .ab-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .ab-hero__stamp {
  position: absolute;
  right: 0;
  bottom: 0;
  padding: 7px 13px;
  background: var(--sand);
  color: var(--wine);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.page-about .ab-hero__figure .figure__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.65;
  color: #6b5d52;
}

/* ---------- 主体布局 ---------- */
.page-about .ab-layout {
  display: grid;
  gap: 30px;
  padding-bottom: 68px;
}

.page-about .ab-toc__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--gold);
}

.page-about .ab-toc ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.page-about .ab-toc a {
  display: block;
  padding: 6px 13px;
  border: 1px solid var(--rule-gold);
  color: var(--wine-mist);
  font-size: 13px;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.page-about .ab-toc a:hover {
  color: var(--wine);
  border-color: var(--wine);
}

.page-about .ab-toc a.is-active {
  background: var(--wine);
  border-color: var(--wine);
  color: var(--paper);
}

/* ---------- 章节 ---------- */
.page-about .ab-sec {
  padding-bottom: 46px;
}

.page-about .ab-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 18px;
}

.page-about .ab-sec__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-about .ab-sec__title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(1.35rem, 4.6vw, 1.95rem);
  line-height: 1.24;
  color: var(--wine);
}

.page-about .ab-sec__body p {
  margin: 0 0 16px;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.85;
  color: #332c27;
}

.page-about .ab-sec__body > p:last-child {
  margin-bottom: 0;
}

.page-about .ab-sec--origin .ab-sec__body > p:first-child::first-letter {
  float: left;
  margin: 6px 10px 0 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 3rem;
  line-height: 1;
  color: var(--wine);
}

.page-about .ab-subtitle {
  margin: 30px 0 12px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 1.15rem;
  color: var(--wine-mist);
}

/* ---------- 服务卡片 ---------- */
.page-about .ab-sec--services {
  background: var(--sand);
  border-top: 2px solid var(--gold);
  padding: 28px 20px 32px;
  margin-bottom: 46px;
}

.page-about .ab-offers {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
}

.page-about .ab-offer {
  padding: 18px 18px 20px;
  background: var(--paper);
  border: 1px solid var(--rule-gold);
  border-top: 3px solid var(--wine);
  min-width: 0;
}

.page-about .ab-offer h3 {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 1.06rem;
  color: var(--wine);
}

.page-about .ab-offer p {
  margin: 0;
  max-width: none;
  font-size: 0.92rem;
  line-height: 1.75;
  color: #433a33;
}

.page-about .ab-groups {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
}

.page-about .ab-group {
  padding: 16px 16px 18px;
  background: rgba(247, 241, 230, 0.72);
  border-left: 2px solid var(--green);
  min-width: 0;
}

.page-about .ab-group h4 {
  margin: 8px 0 6px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 1rem;
  color: var(--green);
}

.page-about .ab-group p {
  margin: 0;
  max-width: none;
  font-size: 0.9rem;
  line-height: 1.72;
  color: #433a33;
}

/* ---------- 团队 ---------- */
.page-about .ab-sec--team {
  background: var(--green);
  padding: 30px 20px 34px;
  margin-bottom: 46px;
}

.page-about .ab-sec--team .ab-sec__title {
  color: var(--paper);
}

.page-about .ab-sec--team .ab-sec__no {
  color: var(--gold-light);
}

.page-about .ab-sec--team .ab-sec__body > p {
  color: rgba(247, 241, 230, 0.86);
}

.page-about .ab-crews {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 24px 0 28px;
  padding: 0;
}

.page-about .ab-crew {
  position: relative;
  padding: 16px 16px 18px 46px;
  border: 1px solid rgba(200, 162, 74, 0.42);
  min-width: 0;
}

.page-about .ab-crew__no {
  position: absolute;
  left: 14px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold-light);
}

.page-about .ab-crew h3 {
  margin: 0 0 7px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 1.02rem;
  color: var(--paper);
}

.page-about .ab-crew p {
  margin: 0;
  max-width: none;
  font-size: 0.9rem;
  line-height: 1.72;
  color: rgba(247, 241, 230, 0.8);
}

.page-about .ab-team__figure {
  margin: 0;
}

.page-about .ab-team__figure .figure__frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .ab-team__figure .figure__caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(228, 201, 126, 0.85);
}

/* ---------- 调整时间线 ---------- */
.page-about .ab-shifts {
  list-style: none;
  position: relative;
  margin: 24px 0 0;
  padding: 0 0 0 26px;
}

.page-about .ab-shifts::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 12px;
  width: 1px;
  background: var(--rule-gold);
}

.page-about .ab-shifts li {
  position: relative;
  padding-bottom: 24px;
}

.page-about .ab-shifts li:last-child {
  padding-bottom: 0;
}

.page-about .ab-shifts li::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 6px;
  width: 9px;
  height: 9px;
  background: var(--gold);
  border: 2px solid var(--paper);
  box-sizing: content-box;
}

.page-about .ab-shifts__when {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--wine-mist);
}

.page-about .ab-shifts h3 {
  margin: 6px 0 6px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 1.06rem;
  color: var(--wine);
}

.page-about .ab-shifts p {
  margin: 0;
  max-width: 58ch;
  font-size: 0.94rem;
  line-height: 1.78;
  color: #433a33;
}

/* ---------- 伙伴与口碑 ---------- */
.page-about .ab-sec--trust {
  background: var(--sand);
  padding: 28px 20px 32px;
  margin-bottom: 46px;
}

.page-about .ab-trust {
  display: grid;
  gap: 22px;
  margin-top: 20px;
}

.page-about .ab-trust__list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
}

.page-about .ab-trust__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 11px 14px;
  background: var(--paper);
  border-left: 2px solid var(--gold);
}

.page-about .ab-trust__list strong {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 1.02rem;
  color: var(--wine);
}

.page-about .ab-trust__list span {
  font-size: 0.85rem;
  color: #55493f;
}

.page-about .ab-trust__figure {
  margin: 0;
}

.page-about .ab-trust__figure .figure__frame {
  box-shadow: var(--shadow-card);
}

.page-about .ab-trust__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .ab-trust__figure .figure__caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: #6b5d52;
}

/* ---------- 收束 ---------- */
.page-about .ab-sec--order {
  background: var(--wine);
  padding: 30px 20px 34px;
  margin-bottom: 0;
}

.page-about .ab-sec--order .ab-sec__title {
  color: var(--paper);
}

.page-about .ab-sec--order .ab-sec__no {
  color: var(--gold-light);
}

.page-about .ab-sec--order .ab-sec__body > p {
  color: rgba(247, 241, 230, 0.88);
}

.page-about .ab-swatches {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 22px 0 24px;
  padding: 0;
}

.page-about .ab-swatch {
  padding: 10px 12px 13px;
  background: var(--paper);
  min-width: 0;
}

.page-about .ab-swatch__chip {
  display: block;
  height: 38px;
  margin-bottom: 10px;
}

.page-about .ab-swatch--wine .ab-swatch__chip {
  background: var(--wine);
  border: 1px solid var(--gold);
}

.page-about .ab-swatch--gold .ab-swatch__chip {
  background: var(--gold);
}

.page-about .ab-swatch--green .ab-swatch__chip {
  background: var(--green);
}

.page-about .ab-swatch--sand .ab-swatch__chip {
  background: var(--sand);
  border: 1px solid var(--rule-gold);
}

.page-about .ab-swatch strong {
  display: block;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 0.94rem;
  color: var(--wine);
}

.page-about .ab-swatch em {
  display: block;
  margin-top: 3px;
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: #6b5d52;
}

.page-about .ab-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-about .ab-actions .btn--ghost {
  color: var(--paper);
  border-color: rgba(200, 162, 74, 0.66);
}

.page-about .ab-actions .btn--ghost:hover {
  background: rgba(200, 162, 74, 0.18);
  border-color: var(--gold);
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-about .ab-offers {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

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

  .page-about .ab-trust {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
    gap: 28px;
  }

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

  .page-about .ab-trust__list li {
    flex-direction: column;
    gap: 4px;
  }

  .page-about .ab-sec--services,
  .page-about .ab-sec--team,
  .page-about .ab-sec--trust,
  .page-about .ab-sec--order {
    padding-left: 32px;
    padding-right: 32px;
  }
}

@media (min-width: 960px) {
  .page-about .ab-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.78fr);
    align-items: end;
    gap: 46px;
    padding: 34px 0 62px;
  }

  .page-about .ab-hero__lead {
    font-size: 1.04rem;
  }

  .page-about .ab-layout {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
    padding-bottom: 84px;
  }

  .page-about .ab-toc {
    position: sticky;
    top: 26px;
  }

  .page-about .ab-toc ol {
    display: block;
    padding-left: 13px;
    border-left: 1px solid var(--rule-gold);
  }

  .page-about .ab-toc a {
    padding: 8px 8px 8px 11px;
    margin-left: -13px;
    border: 0;
    border-left: 2px solid transparent;
    font-size: 14px;
  }

  .page-about .ab-toc a:hover {
    border-left-color: var(--rule-gold);
  }

  .page-about .ab-toc a.is-active {
    background: rgba(200, 162, 74, 0.12);
    border-left-color: var(--gold);
    color: var(--wine);
    font-weight: 600;
  }

  .page-about .ab-sec {
    padding-bottom: 58px;
  }

  .page-about .ab-sec--services,
  .page-about .ab-sec--team,
  .page-about .ab-sec--trust,
  .page-about .ab-sec--order {
    padding: 40px 40px 44px;
    margin-bottom: 58px;
  }

  .page-about .ab-sec--order {
    margin-bottom: 0;
  }

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

  .page-about .ab-sec__title {
    max-width: 26ch;
  }
}

@media (min-width: 1180px) {
  .page-about .ab-layout {
    grid-template-columns: 226px minmax(0, 1fr);
    gap: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .ab-toc a,
  .page-about .breadcrumb a {
    transition: none;
  }
}