/* 关于我们 · 品牌主场，不是主体说明条 */
.ab {
  --ab-gold: #c9a962;
  --ab-gold-2: #d4b978;
  --ab-ink: #161616;
  --ab-mute: rgba(22, 22, 22, 0.58);
  --ab-line: rgba(22, 22, 22, 0.1);
  --ab-paper: #fafaf8;
  --ab-card: #ffffff;
  position: relative;
  z-index: 2;
  color: var(--ab-ink);
  padding-bottom: 4.5rem;
}

.ab-wrap {
  margin: 0 auto;
  max-width: 72rem;
  padding: 0 1.5rem;
}

.ab-crumbs {
  margin: 0 0 1.1rem;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--ab-mute);
}

.ab-crumbs a {
  color: inherit;
  text-decoration: none;
}

.ab-hero {
  padding: calc(var(--header-h, 4.25rem) + 2.4rem) 0 2.2rem;
}

.ab-hero__grid {
  display: grid;
  gap: 2.4rem 3.2rem;
  grid-template-columns: minmax(0, 1.35fr) minmax(16rem, 0.72fr);
  align-items: end;
}

.ab-kicker {
  margin: 0;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  color: var(--ab-gold);
}

.ab-hero h1 {
  margin: 0.7rem 0 0;
  font-size: clamp(2.05rem, 5.4vw, 3.85rem);
  font-weight: 750;
  letter-spacing: -0.04em;
  line-height: 1.08;
}

.ab-hero__beats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
}

.ab-hero__beats li {
  background: rgba(201, 169, 98, 0.1);
  border: 1px solid rgba(201, 169, 98, 0.22);
  border-radius: 99rem;
  color: rgba(22, 22, 22, 0.78);
  font-size: 0.8rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  padding: 0.4rem 0.85rem;
}

.ab-hero__sign {
  margin: 1.15rem 0 0;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--ab-gold);
}

.ab-hero__lead {
  margin: 1.15rem 0 0;
  max-width: 40rem;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--ab-mute);
}

.ab-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.6rem;
}

.ab-id {
  padding: 1.35rem 1.4rem 1.45rem;
  border: 1px solid var(--ab-line);
  border-radius: 1.15rem;
  background: var(--ab-card);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.04);
}

.ab-id__mark {
  display: block;
  width: 2.4rem;
  height: 2.4rem;
  margin-bottom: 1rem;
}

.ab-door {
  margin: 0 0 0.35rem;
}

.ab-door img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center top;
  border-radius: 0.75rem;
}

.ab-door figcaption {
  margin-top: 0.55rem;
  font-size: 0.75rem;
  line-height: 1.55;
  color: var(--ab-mute);
}

.ab-id dt {
  margin: 0.85rem 0 0;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--ab-gold);
}

.ab-id dt:first-of-type {
  margin-top: 0;
}

.ab-id dd {
  margin: 0.2rem 0 0;
  font-size: 0.92rem;
  line-height: 1.55;
}

.ab-id a {
  color: inherit;
  text-underline-offset: 0.16em;
}

.ab-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  list-style: none;
  margin: 2.4rem auto 0;
  max-width: 72rem;
  padding: 0 1.5rem;
  border-top: 1px solid var(--ab-line);
  border-bottom: 1px solid var(--ab-line);
}

.ab-facts li {
  list-style: none;
  padding: 1.35rem 1.1rem 1.45rem;
  border-right: 1px solid var(--ab-line);
}

.ab-facts li:last-child {
  border-right: 0;
}

.ab-facts b {
  display: block;
  font-size: clamp(1.55rem, 3vw, 2.05rem);
  font-weight: 750;
  letter-spacing: -0.03em;
}

.ab-facts span {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.82rem;
  color: var(--ab-mute);
}

.ab-rail {
  position: sticky;
  top: var(--header-h, 4.25rem);
  z-index: 40;
  margin: 0;
  background: rgba(250, 250, 248, 0.92);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--ab-line);
  border-bottom: 1px solid var(--ab-line);
}

.ab-rail__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem;
  margin: 0 auto;
  max-width: 72rem;
  padding: 0.65rem 1.5rem;
}

.ab-rail a {
  padding: 0.42rem 0.9rem;
  border-radius: 99rem;
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  color: var(--ab-mute);
  text-decoration: none;
}

.ab-rail a:hover {
  color: var(--ab-ink);
  background: rgba(255, 255, 255, 0.8);
}

.ab-rail a.is-on {
  color: var(--ab-ink);
  background: #fff;
  box-shadow: 0 1px 0 rgba(22, 22, 22, 0.06);
}

.ab-rail__inner::-webkit-scrollbar {
  height: 0;
}

.ab-sec {
  padding: 3.4rem 0 0.4rem;
  scroll-margin-top: calc(var(--header-h, 4.25rem) + 3.2rem);
}

.ab-sec__head {
  display: grid;
  gap: 0.85rem 3rem;
  grid-template-columns: minmax(10rem, 16rem) minmax(0, 1fr);
  margin-bottom: 1.8rem;
  align-items: end;
}

.ab-sec__head h2 {
  margin: 0;
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.ab-sec__head p {
  margin: 0;
  max-width: 36rem;
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--ab-mute);
}

.ab-prose {
  display: grid;
  gap: 1.6rem 3.2rem;
  grid-template-columns: minmax(10rem, 16rem) minmax(0, 38rem);
}

.ab-prose__side {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--ab-gold);
}

.ab-prose .ab-copy p {
  margin: 0 0 1.05rem;
  font-size: 1.02rem;
  line-height: 1.85;
  color: rgba(22, 22, 22, 0.78);
}

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

.ab-copy a,
.ab-legal a {
  color: inherit;
  text-underline-offset: 0.16em;
  text-decoration-color: rgba(201, 169, 98, 0.55);
}

.ab-lines {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ab-line {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 0 0 1.25rem;
  overflow: hidden;
  border: 1px solid var(--ab-line);
  border-radius: 1.1rem;
  background: var(--ab-card);
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.ab-line__media {
  display: block;
  width: 100%;
  height: 9.5rem;
  object-fit: cover;
  background: #eceae4;
}

.ab-line__no,
.ab-line h3,
.ab-line p,
.ab-line__go {
  padding-left: 1.3rem;
  padding-right: 1.3rem;
}

.ab-line__no {
  margin-top: 1.15rem;
}

.ab-line:hover {
  transform: translateY(-2px);
  border-color: rgba(201, 169, 98, 0.45);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.05);
}

.ab-line__no {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--ab-gold);
}

.ab-line h3 {
  margin: 0.55rem 0 0;
  font-size: 1.22rem;
  font-weight: 700;
}

.ab-line p {
  margin: 0.55rem 0 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ab-mute);
}

.ab-line__go {
  margin-top: auto;
  padding-top: 1.1rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ab-gold);
}

.ab-values {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ab-value {
  padding: 1.35rem 1.35rem 1.4rem;
  border-top: 1px solid var(--ab-line);
}

.ab-value h3 {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.35;
}

.ab-value p {
  margin: 0.65rem 0 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ab-mute);
}

.ab-work {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ab-work a {
  display: block;
  overflow: hidden;
  border-radius: 1rem;
  border: 1px solid var(--ab-line);
  background: var(--ab-card);
  text-decoration: none;
  color: inherit;
}

.ab-work img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.ab-work span {
  display: block;
  padding: 0.85rem 1rem 1rem;
}

.ab-work strong {
  display: block;
  font-size: 0.95rem;
}

.ab-work i {
  display: block;
  margin-top: 0.2rem;
  font-style: normal;
  font-size: 0.78rem;
  color: var(--ab-mute);
}

.ab-notes {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ab-note {
  display: flex;
  flex-direction: column;
  padding: 1.3rem 1.25rem 1.2rem;
  border: 1px solid var(--ab-line);
  border-radius: 1rem;
  background: var(--ab-card);
  text-decoration: none;
  color: inherit;
}

.ab-note h3 {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.4;
}

.ab-note p {
  margin: 0.55rem 0 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--ab-mute);
}

.ab-note__go {
  margin-top: auto;
  padding-top: 0.95rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ab-gold);
}

.ab-legal {
  display: grid;
  gap: 1.4rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ab-legal article {
  padding: 1.25rem 1.2rem 1.3rem;
  border: 1px solid var(--ab-line);
  border-radius: 1rem;
  background: var(--ab-card);
}

.ab-legal h3 {
  margin: 0;
  font-size: 1.02rem;
}

.ab-legal p,
.ab-legal li {
  margin: 0.5rem 0 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--ab-mute);
}

.ab-legal a {
  color: inherit;
}

.ab-meet {
  margin-top: 3.2rem;
  padding: 2.2rem 1.8rem;
  border-radius: 1.25rem;
  background:
    radial-gradient(90% 80% at 0% 0%, rgba(201, 169, 98, 0.18), transparent 55%),
    #111110;
  color: #f6f1e8;
}

.ab-meet h2 {
  margin: 0.35rem 0 0;
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  font-weight: 750;
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.ab-meet p {
  margin: 0.85rem 0 0;
  max-width: 36rem;
  font-size: 0.98rem;
  line-height: 1.75;
  color: rgba(246, 241, 232, 0.68);
}

.ab-meet__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.5rem;
}

.ab-meet .dl-cta-sub {
  background: transparent;
  border: 1px solid rgba(246, 238, 220, 0.28);
  color: #f6eedc;
}

.ab-meet .dl-cta-sub:hover {
  border-color: rgba(246, 238, 220, 0.5);
  color: #fff;
}

html[data-theme="dark"] .ab {
  --ab-ink: #f6f1e8;
  --ab-mute: rgba(246, 241, 232, 0.58);
  --ab-line: rgba(232, 212, 168, 0.14);
  --ab-paper: #0c0b09;
  --ab-card: rgba(255, 255, 255, 0.035);
}

html[data-theme="dark"] .ab-hero__beats li {
  background: rgba(201, 169, 98, 0.12);
  border-color: rgba(201, 169, 98, 0.28);
  color: rgba(246, 241, 232, 0.86);
}

html[data-theme="dark"] .ab-prose .ab-copy p {
  color: rgba(246, 241, 232, 0.72);
}

html[data-theme="dark"] .ab-rail {
  background: rgba(12, 11, 9, 0.9);
}

html[data-theme="dark"] .ab-rail a:hover {
  background: rgba(255, 255, 255, 0.06);
}

html[data-theme="dark"] .ab-rail a.is-on {
  background: rgba(255, 255, 255, 0.1);
  box-shadow: none;
}

html[data-theme="dark"] .ab-id,
html[data-theme="dark"] .ab-line,
html[data-theme="dark"] .ab-note,
html[data-theme="dark"] .ab-legal article,
html[data-theme="dark"] .ab-work a {
  box-shadow: none;
}

@media (max-width: 64rem) {
  .ab-hero__grid,
  .ab-sec__head,
  .ab-prose,
  .ab-lines,
  .ab-work,
  .ab-notes,
  .ab-legal {
    grid-template-columns: 1fr;
  }

  .ab-facts {
    grid-template-columns: 1fr 1fr;
  }

  .ab-facts li:nth-child(2) {
    border-right: 0;
  }

  .ab-facts li:nth-child(1),
  .ab-facts li:nth-child(2) {
    border-bottom: 1px solid var(--ab-line);
  }

  .ab-values {
    grid-template-columns: 1fr;
  }

  .ab-rail__inner {
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .ab-rail a {
    flex: 0 0 auto;
  }
}

@media (max-width: 40rem) {
  .ab-door img {
    max-height: 22rem;
  }

  .ab-facts {
    grid-template-columns: 1fr;
  }

  .ab-facts li {
    border-right: 0;
    border-bottom: 1px solid var(--ab-line);
  }

  .ab-facts li:last-child {
    border-bottom: 0;
  }
}