.page-about {
  --ab-copper-soft: rgba(140, 90, 43, 0.32);
  --ab-ink-soft: rgba(23, 26, 23, 0.78);
  background: var(--lj-cream);
  color: var(--lj-ink);
  font-family: var(--lj-serif);
  line-height: 1.7;
  overflow-x: hidden;
}

.page-about .lj-figure__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .lj-figure__frame {
  border: 1px solid var(--ab-copper-soft);
}

/* ---------- 首屏 ---------- */
.ab-hero {
  position: relative;
  padding: clamp(16px, 4vw, 28px) 0 clamp(44px, 7vw, 88px);
  background:
    radial-gradient(120% 88% at 88% 6%, rgba(214, 163, 106, 0.28) 0%, rgba(16, 60, 51, 0) 58%),
    linear-gradient(162deg, #103C33 0%, #1E5547 58%, #16453A 100%);
  color: var(--lj-cream);
  overflow: hidden;
}

.ab-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(214, 163, 106, 0) 0%, rgba(214, 163, 106, 0.75) 45%, rgba(214, 163, 106, 0) 100%);
}

.page-about .ab-hero .lj-breadcrumb__link,
.page-about .ab-hero .lj-breadcrumb__sep {
  color: rgba(244, 239, 228, 0.6);
}

.page-about .ab-hero .lj-breadcrumb__current {
  color: var(--lj-copper-hi);
}

.ab-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  margin-top: clamp(22px, 4vw, 40px);
}

.ab-hero__eyebrow {
  color: var(--lj-copper-hi);
}

.ab-hero__title {
  margin: 14px 0 0;
  font-family: var(--lj-sans);
  font-weight: 900;
  font-size: clamp(34px, 7.4vw, 74px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--lj-cream);
}

.ab-hero__lead {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 48ch;
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.78;
  color: rgba(244, 239, 228, 0.84);
}

.ab-hero__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: 0;
  list-style: none;
}

.ab-hero__meta-item {
  padding-top: 10px;
  border-top: 1px solid rgba(214, 163, 106, 0.45);
}

.ab-hero__meta-num {
  display: block;
  font-family: var(--lj-mono);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--lj-copper-hi);
}

.ab-hero__meta-label {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: rgba(244, 239, 228, 0.66);
}

.ab-hero__figure {
  margin: 0;
}

.ab-hero__figure .lj-figure__frame {
  border-color: rgba(214, 163, 106, 0.5);
}

.ab-hero__figure .lj-figure__caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(244, 239, 228, 0.6);
}

/* ---------- 通用章节头 ---------- */
.ab-section {
  padding: clamp(38px, 6.5vw, 84px) 0;
}

.ab-section--mist {
  background: var(--lj-mist);
  border-top: 1px solid var(--ab-copper-soft);
  border-bottom: 1px solid var(--ab-copper-soft);
}

.ab-head {
  max-width: 54ch;
  margin-bottom: clamp(22px, 3.6vw, 40px);
}

.ab-head__title {
  margin: 10px 0 0;
  font-family: var(--lj-sans);
  font-weight: 800;
  font-size: clamp(23px, 3.8vw, 40px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--lj-deep);
}

.ab-head__lead {
  margin: 12px 0 0;
  font-size: clamp(14.5px, 1.4vw, 16.5px);
  color: var(--ab-ink-soft);
}

/* ---------- 起点 ---------- */
.ab-origin {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3.4vw, 44px);
}

.ab-origin__col p {
  margin: 0 0 16px;
  font-size: clamp(15px, 1.5vw, 16.5px);
  color: var(--ab-ink-soft);
}

.ab-origin__col--note {
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--lj-panel, #F4EFE4);
  border-left: 3px solid var(--lj-copper);
  border-top: 1px solid var(--ab-copper-soft);
  border-right: 1px solid var(--ab-copper-soft);
  border-bottom: 1px solid var(--ab-copper-soft);
}

.ab-origin__col--note p:last-child {
  margin-bottom: 0;
}

.ab-origin__note {
  font-size: 14.5px !important;
  line-height: 1.72;
}

.ab-origin__col--note .ab-origin__note:first-child {
  color: var(--lj-deep);
  font-weight: 600;
}

/* ---------- 版本年轮 ---------- */
.ab-timeline-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
}

.ab-timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 26px;
  list-style: none;
  background-image: linear-gradient(180deg, rgba(184, 120, 60, 0.9) 0%, rgba(140, 90, 43, 0.28) 100%);
  background-repeat: no-repeat;
  background-size: 1px 100%;
  background-position: 5px 0;
}

.ab-tl {
  position: relative;
  padding-bottom: clamp(20px, 3vw, 32px);
}

.ab-tl:last-child {
  padding-bottom: 0;
}

.ab-tl::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 16px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--lj-copper);
  box-shadow: 0 0 0 3px var(--lj-mist);
}

.ab-tl__mark {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 10px;
}

.ab-tl__num {
  font-family: var(--lj-mono);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  line-height: 1;
  color: var(--lj-copper);
}

.ab-tl__ver {
  font-family: var(--lj-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--lj-hair);
  padding: 2px 8px;
  border: 1px solid var(--ab-copper-soft);
}

.ab-tl__body {
  padding: clamp(14px, 2.2vw, 22px);
  background: var(--lj-cream);
  border: 1px solid var(--ab-copper-soft);
  border-left: 3px solid var(--lj-hair);
  transition: transform var(--lj-ease), border-color var(--lj-ease), box-shadow var(--lj-ease);
}

.ab-tl__body:hover {
  transform: translateY(-2px);
  border-color: var(--lj-copper);
  border-left-color: var(--lj-signal);
  box-shadow: 0 10px 22px rgba(16, 60, 51, 0.09);
}

.ab-tl__title {
  margin: 0 0 8px;
  font-family: var(--lj-sans);
  font-size: clamp(16.5px, 1.9vw, 21px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--lj-deep);
}

.ab-tl__body p {
  margin: 0 0 8px;
  font-size: 14.5px;
  color: var(--ab-ink-soft);
}

.ab-tl__note {
  font-size: 13.5px !important;
  line-height: 1.62;
  color: var(--lj-hair) !important;
}

.ab-tl__body p:last-child {
  margin-bottom: 0;
}

.ab-timeline__figure {
  margin: 0;
}

.ab-timeline__figure .lj-figure__caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--lj-hair);
}

/* ---------- 团队 ---------- */
.ab-team__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(16px, 2.8vw, 26px);
  padding: 0;
  list-style: none;
}

.ab-team__tags a {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--ab-copper-soft);
  font-family: var(--lj-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--lj-deep);
  text-decoration: none;
  transition: background var(--lj-ease), color var(--lj-ease), border-color var(--lj-ease);
}

.ab-team__tags a:hover,
.ab-team__tags a:focus-visible {
  background: var(--lj-deep);
  border-color: var(--lj-deep);
  color: var(--lj-cream);
}

.ab-team {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.6vw, 44px);
}

.ab-team__row {
  padding: clamp(14px, 2.2vw, 20px) 0;
  border-top: 1px solid var(--ab-copper-soft);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  transition: border-color var(--lj-ease);
}

.ab-team__row:last-child {
  border-bottom: 1px solid var(--ab-copper-soft);
}

.ab-team__row:hover,
.ab-team__row:focus-within {
  border-top-color: var(--lj-copper);
}

.ab-team__name {
  margin: 0;
  font-family: var(--lj-sans);
  font-size: clamp(16px, 1.8vw, 19px);
  font-weight: 700;
  color: var(--lj-deep);
}

.ab-team__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ab-ink-soft);
}

.ab-team__figure {
  margin: 0;
}

.ab-team__figure .lj-figure__caption {
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--lj-hair);
}

/* ---------- 服务范围 ---------- */
.ab-scope {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--ab-copper-soft);
  border: 1px solid var(--ab-copper-soft);
}

.ab-scope__cell {
  background: var(--lj-cream);
  padding: clamp(16px, 2.4vw, 24px);
}

.ab-scope__num {
  margin: 0;
  font-family: var(--lj-mono);
  font-size: clamp(30px, 4.6vw, 50px);
  font-weight: 700;
  line-height: 1;
  color: var(--lj-copper);
}

.ab-scope__unit {
  font-size: 0.42em;
  margin-left: 4px;
  letter-spacing: 0.04em;
  color: var(--lj-hair);
}

.ab-scope__label {
  margin: 12px 0 6px;
  font-family: var(--lj-sans);
  font-size: 14.5px;
  font-weight: 700;
  color: var(--lj-deep);
}

.ab-scope__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--ab-ink-soft);
}

.ab-scope__band {
  margin-top: clamp(18px, 3vw, 28px);
  padding: clamp(16px, 2.4vw, 24px);
  background: var(--lj-deep);
  color: rgba(244, 239, 228, 0.86);
  border-left: 3px solid var(--lj-signal);
}

.ab-scope__band > p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  max-width: 62ch;
}

.ab-scope__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 12px !important;
}

.page-about .ab-scope__links .lj-link {
  color: var(--lj-copper-hi);
  text-decoration: none;
  border-bottom: 1px solid rgba(214, 163, 106, 0.55);
  padding-bottom: 2px;
  transition: color var(--lj-ease), border-color var(--lj-ease);
}

.page-about .ab-scope__links .lj-link:hover,
.page-about .ab-scope__links .lj-link:focus-visible {
  color: var(--lj-cream);
  border-bottom-color: var(--lj-signal);
}

/* ---------- 长期维护档案 ---------- */
.ab-archive {
  border-top: 1px solid var(--ab-copper-soft);
}

.ab-archive__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: clamp(14px, 2.2vw, 20px) 0;
  border-bottom: 1px solid var(--ab-copper-soft);
}

.ab-archive__key {
  margin: 0;
  font-family: var(--lj-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--lj-hair);
}

.ab-archive__val p {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--ab-ink-soft);
}

.ab-archive__more {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 24px;
  margin: clamp(22px, 3.4vw, 34px) 0 0;
}

.ab-archive__ghost {
  font-family: var(--lj-sans);
  font-size: 14px;
  font-weight: 700;
  color: var(--lj-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--lj-copper);
  padding-bottom: 2px;
  transition: color var(--lj-ease), border-color var(--lj-ease);
}

.ab-archive__ghost:hover,
.ab-archive__ghost:focus-visible {
  color: var(--lj-hair);
  border-bottom-color: var(--lj-signal);
}

/* ---------- 下一步 ---------- */
.ab-next {
  padding: clamp(38px, 6.5vw, 80px) 0;
  background:
    radial-gradient(100% 80% at 12% 0%, rgba(214, 163, 106, 0.18) 0%, rgba(16, 60, 51, 0) 60%),
    linear-gradient(155deg, #103C33 0%, #1E5547 100%);
  color: var(--lj-cream);
}

.ab-next__eyebrow {
  color: var(--lj-copper-hi);
}

.ab-next__head {
  max-width: 46ch;
  margin-bottom: clamp(20px, 3.4vw, 34px);
}

.ab-next__title {
  margin: 10px 0 0;
  font-family: var(--lj-sans);
  font-weight: 900;
  font-size: clamp(25px, 4.2vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--lj-cream);
}

.ab-next__lead {
  margin: 12px 0 0;
  font-size: 15px;
  color: rgba(244, 239, 228, 0.76);
}

.ab-next__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ab-next__link {
  display: block;
  padding: clamp(14px, 2vw, 20px);
  border: 1px solid rgba(244, 239, 228, 0.22);
  border-left: 3px solid var(--lj-copper);
  text-decoration: none;
  transition: background var(--lj-ease), border-color var(--lj-ease), transform var(--lj-ease);
}

.ab-next__link:hover,
.ab-next__link:focus-visible {
  background: rgba(244, 239, 228, 0.08);
  border-color: var(--lj-copper-hi);
  border-left-color: var(--lj-signal);
  transform: translateY(-2px);
}

.ab-next__k {
  display: block;
  font-family: var(--lj-sans);
  font-size: 16px;
  font-weight: 700;
  color: var(--lj-cream);
}

.ab-next__d {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(244, 239, 228, 0.66);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .ab-hero__meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .ab-origin {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .ab-team__row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 8px 22px;
    align-items: start;
  }

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

  .ab-archive__row {
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 8px 26px;
  }

  .ab-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 1000px) {
  .ab-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .ab-hero__figure {
    align-self: end;
  }

  .ab-timeline-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }

  .ab-timeline__figure {
    position: sticky;
    top: 96px;
  }

  .ab-team {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }

  .ab-team__figure {
    position: sticky;
    top: 96px;
  }

  .ab-origin__col--note {
    margin-top: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about * {
    transition-duration: 1ms !important;
  }
}
<<<END>>>

.page-about {
  --lj-panel: transparent;
}