/* ===== 品牌档案 · 页面专属样式 ===== */
.page-about {
  --ab-line-soft: rgba(201, 162, 39, .22);
  --ab-gold-deep: #8A6D12;
  --ab-line-cream: #E7DCBA;
  --ab-body-soft: #A9BFB2;
  background: var(--ld-ink-900);
  color: var(--ld-white);
  overflow-x: clip;
}

.page-about .ab-sec {
  padding: clamp(46px, 7vw, 88px) 0;
}

.page-about .ab-sec--deep { background: var(--ld-ink-900); }
.page-about .ab-sec--panel { background: var(--ld-ink-800); }
.page-about .ab-sec--cream {
  background: var(--ld-cream);
  color: var(--ld-charcoal);
}

/* ---------- 通用小标与区块头 ---------- */
.page-about .ab-head { max-width: 76ch; }

.page-about .ab-head h2 {
  font-family: var(--ld-serif);
  font-size: clamp(24px, 3.6vw, 36px);
  font-weight: 600;
  letter-spacing: .045em;
  line-height: 1.3;
  margin: 10px 0 14px;
  color: var(--ld-white);
}

.page-about .ab-head .ld-lede {
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.85;
  color: var(--ab-body-soft);
  margin: 0;
}

.page-about .ab-sec--cream .ab-head h2 { color: var(--ld-charcoal); }
.page-about .ab-sec--cream .ab-head .ld-lede { color: #4E4E44; }
.page-about .ab-sec--cream .ld-eyebrow { color: var(--ab-gold-deep); }

/* ---------- 首屏 ---------- */
.page-about .ab-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4.4vw, 46px) 0 clamp(40px, 6vw, 74px);
  background:
    radial-gradient(118% 88% at 86% 4%, rgba(201, 162, 39, .17), transparent 60%),
    linear-gradient(162deg, var(--ld-ink-800), var(--ld-ink-900) 70%);
}

.page-about .ab-hero::before {
  content: "";
  position: absolute;
  top: -36%;
  left: -14%;
  width: 76%;
  height: 94%;
  background: linear-gradient(118deg, rgba(23, 57, 42, .96), rgba(11, 31, 21, 0) 72%);
  transform: skewY(-7deg);
  pointer-events: none;
}

.page-about .ab-hero::after {
  content: "";
  position: absolute;
  left: -6%;
  right: -6%;
  top: 47%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ld-gold) 20%, var(--ld-gold-bright) 58%, transparent);
  transform: rotate(-2.4deg);
  opacity: .5;
  pointer-events: none;
}

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

.page-about .ab-hero__grid {
  display: grid;
  gap: 30px;
  margin-top: clamp(18px, 2.8vw, 32px);
}

.page-about .ab-hero h1 {
  font-family: var(--ld-serif);
  font-size: clamp(29px, 5.2vw, 54px);
  font-weight: 600;
  line-height: 1.16;
  letter-spacing: .035em;
  color: var(--ld-white);
  margin: 12px 0 18px;
  max-width: 20ch;
}

.page-about .ab-hero .ld-lede {
  font-size: clamp(15px, 1.55vw, 17px);
  line-height: 1.9;
  color: #D6E3DA;
  max-width: 60ch;
  margin: 0;
}

.page-about .ab-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .ab-facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--ab-line-soft);
  background: rgba(23, 57, 42, .55);
  font-size: 13.5px;
  line-height: 1.5;
  color: #C4D4CA;
}

.page-about .ab-facts__num {
  font-family: var(--ld-mono);
  font-weight: 600;
  font-size: 15px;
  color: var(--ld-gold-bright);
  font-variant-numeric: tabular-nums;
}

/* ---------- 图片框 ---------- */
.page-about .ab-fig {
  position: relative;
  margin: 0;
  border-radius: var(--ld-r-xl);
  overflow: hidden;
  border: 1px solid var(--ab-line-soft);
  background:
    repeating-linear-gradient(135deg, rgba(201, 162, 39, .10) 0 12px, rgba(23, 57, 42, .55) 12px 24px);
  box-shadow: var(--ld-shadow);
}

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

.page-about .ab-fig__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 26px 18px 13px;
  font-size: 13px;
  line-height: 1.6;
  color: #EAF0E9;
  background: linear-gradient(0deg, rgba(11, 31, 21, .94), rgba(11, 31, 21, 0));
}

.page-about .ab-fig--hero { margin-top: 4px; }

.page-about .ab-fig--flow {
  margin: clamp(26px, 3.6vw, 40px) 0 0;
  max-width: 640px;
}

.page-about .ab-fig--wide { margin-bottom: clamp(30px, 4.4vw, 48px); }

/* ---------- 里程碑 ---------- */
.page-about .ab-tl {
  position: relative;
  list-style: none;
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0 0 0 34px;
  max-width: 900px;
}

.page-about .ab-tl::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 8px;
  bottom: 20px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--ld-gold-bright), var(--ld-gold) 40%, rgba(201, 162, 39, .10));
}

.page-about .ab-tl__item {
  position: relative;
  padding-bottom: clamp(26px, 3.4vw, 40px);
}

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

.page-about .ab-tl__item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 7px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ld-ink-900);
  border: 2px solid var(--ld-gold);
  box-shadow: 0 0 0 4px rgba(201, 162, 39, .10);
  transition: box-shadow .36s var(--ld-ease);
}

.page-about .ab-tl__item:hover::before,
.page-about .ab-tl__item:focus-within::before {
  box-shadow: 0 0 0 7px rgba(201, 162, 39, .18);
}

.page-about .ab-tl__item--hot::before {
  border-radius: 3px;
  background: var(--ld-red);
  border-color: var(--ld-red-light);
  box-shadow: 0 0 0 5px rgba(178, 34, 34, .22);
}

.page-about .ab-tl__season {
  display: inline-block;
  font-family: var(--ld-mono);
  font-size: 12.5px;
  letter-spacing: .09em;
  color: var(--ld-gold-bright);
  border-bottom: 1px solid var(--ab-line-soft);
  padding-bottom: 3px;
  margin-bottom: 9px;
}

.page-about .ab-tl__title {
  font-family: var(--ld-serif);
  font-size: clamp(19px, 2.3vw, 24px);
  font-weight: 600;
  letter-spacing: .035em;
  line-height: 1.4;
  color: var(--ld-white);
  margin: 0 0 8px;
}

.page-about .ab-tl__text {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ab-body-soft);
}

.page-about .ab-tl__num {
  font-family: var(--ld-mono);
  font-weight: 600;
  color: var(--ld-gold-bright);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* ---------- 复核流程 ---------- */
.page-about .ab-flow {
  display: grid;
  gap: 20px;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .ab-flow__step {
  position: relative;
  padding: 24px 22px 20px;
  border-radius: var(--ld-r-lg);
  background: var(--ld-ink-700);
  border: 1px solid rgba(31, 74, 54, .95);
  box-shadow: 0 20px 40px -34px rgba(0, 0, 0, .9);
}

.page-about .ab-flow__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  font-family: var(--ld-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--ld-ink-900);
  background: linear-gradient(150deg, var(--ld-gold-bright), var(--ld-gold));
  margin-bottom: 16px;
}

.page-about .ab-flow__title {
  font-family: var(--ld-serif);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: .035em;
  line-height: 1.4;
  color: var(--ld-white);
  margin: 0 0 10px;
}

.page-about .ab-flow__text {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ab-body-soft);
}

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

.page-about .ab-flow__meta li {
  font-family: var(--ld-mono);
  font-size: 12.5px;
  line-height: 1.4;
  color: var(--ld-gold-pale);
  background: rgba(201, 162, 39, .10);
  border: 1px solid rgba(201, 162, 39, .26);
  border-radius: 999px;
  padding: 4px 11px;
}

/* ---------- 团队 ---------- */
.page-about .ab-crew {
  display: grid;
  gap: 20px;
  margin-top: clamp(26px, 3.6vw, 40px);
}

.page-about .ab-crew__group {
  padding: 22px 20px 20px;
  border-radius: var(--ld-r-lg);
  background: #FFFFFF;
  border: 1px solid var(--ab-line-cream);
  box-shadow: 0 18px 34px -30px rgba(42, 42, 36, .8);
}

.page-about .ab-crew__group h3 {
  margin: 0;
  font-family: var(--ld-serif);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: .045em;
  color: var(--ld-charcoal);
}

.page-about .ab-crew__group p {
  margin: 9px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: #55554A;
}

.page-about .ab-caps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .ab-cap {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  padding: 6px 13px;
  border-radius: 999px;
  border: 1px solid #E0D3A6;
  background: var(--ld-cream);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--ld-charcoal);
}

.page-about .ab-cap b {
  font-family: var(--ld-mono);
  font-weight: 600;
  color: var(--ab-gold-deep);
  font-variant-numeric: tabular-nums;
}

/* ---------- 合作 ---------- */
.page-about .ab-head--after-fig { max-width: 70ch; }

.page-about .ab-coop {
  display: grid;
  gap: 14px;
  margin: 0 0 clamp(22px, 3vw, 32px);
  padding: 0;
  list-style: none;
}

.page-about .ab-coop li {
  padding: 18px 18px 16px;
  border-radius: var(--ld-r-lg);
  background: var(--ld-ink-700);
  border: 1px solid rgba(31, 74, 54, .95);
  border-left: 3px solid var(--ld-gold);
}

.page-about .ab-coop__num {
  display: block;
  font-family: var(--ld-mono);
  font-size: clamp(26px, 3.4vw, 34px);
  font-weight: 600;
  line-height: 1;
  color: var(--ld-gold-bright);
  font-variant-numeric: tabular-nums;
}

.page-about .ab-coop__label {
  display: block;
  margin-top: 9px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ab-body-soft);
}

.page-about .ab-coop__note {
  margin: 0;
  max-width: 72ch;
  font-size: 15px;
  line-height: 1.85;
  color: #C4D4CA;
}

.page-about .ab-coop__note a {
  color: var(--ld-gold-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-about .ab-coop__note a:hover,
.page-about .ab-coop__note a:focus-visible {
  color: var(--ld-white);
}

/* ---------- 运营信息 ---------- */
.page-about .ab-ops {
  margin: clamp(24px, 3.4vw, 38px) 0 0;
  border-top: 1px solid var(--ab-line-cream);
}

.page-about .ab-ops__row {
  display: grid;
  gap: 5px;
  padding: 16px 0;
  border-bottom: 1px solid var(--ab-line-cream);
}

.page-about .ab-ops__row dt {
  font-family: var(--ld-mono);
  font-size: 12.5px;
  letter-spacing: .09em;
  color: var(--ab-gold-deep);
}

.page-about .ab-ops__row dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--ld-charcoal);
  overflow-wrap: anywhere;
}

/* ---------- 收束带 ---------- */
.page-about .ab-next {
  padding: clamp(32px, 4.6vw, 56px) 0;
  background: linear-gradient(122deg, var(--ld-ink-800), var(--ld-ink-900));
  border-top: 1px solid var(--ab-line-soft);
}

.page-about .ab-next__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 24px;
  align-items: center;
  justify-content: space-between;
}

.page-about .ab-next__text {
  margin: 0;
  font-family: var(--ld-serif);
  font-size: clamp(17px, 2.1vw, 22px);
  letter-spacing: .035em;
  line-height: 1.55;
  color: var(--ld-white);
  max-width: 34ch;
}

.page-about .ab-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-about .ab-coop { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
}

@media (min-width: 760px) {
  .page-about .ab-crew { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
  .page-about .ab-ops__row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-about .ab-flow { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; }
  .page-about .ab-flow__step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 46px;
    right: -26px;
    width: 26px;
    height: 1px;
    background: linear-gradient(90deg, var(--ld-gold), rgba(201, 162, 39, .18));
  }
  .page-about .ab-flow__step:not(:last-child)::before {
    content: "";
    position: absolute;
    top: 43px;
    right: -2px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--ld-gold-bright);
  }
  .page-about .ab-fig--flow { margin-left: auto; }
}

@media (min-width: 960px) {
  .page-about .ab-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    gap: clamp(32px, 4.4vw, 58px);
    align-items: center;
  }
  .page-about .ab-fig--hero { transform: translateY(-12px) rotate(-1.2deg); }
  .page-about .ab-tl { padding-left: 40px; }
  .page-about .ab-tl::before { left: 13px; }
  .page-about .ab-tl__item::before { left: -33px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .ab-tl__item::before,
  .page-about .ab-fig--hero { transition: none; transform: none; }
}
<<<END>>>