/* ============ 品牌展馆 · 页面专属样式 ============ */
.page-about {
  --about-plate-bg: linear-gradient(155deg, rgba(17, 21, 42, 0.94), rgba(7, 11, 22, 0.96));
  --about-team-text: #E9D8DF;
  --about-wine-deep: #1A0A12;
  display: block;
  background: var(--ink-0);
  color: var(--text);
  padding-bottom: clamp(2rem, 6vw, 4rem);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.4rem, 4vw, 2.4rem) 0 clamp(2.4rem, 6vw, 4.5rem);
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(40% 58% at 10% 12%, rgba(34, 211, 238, 0.18), transparent 68%),
    radial-gradient(44% 62% at 90% 4%, rgba(168, 85, 247, 0.2), transparent 72%),
    radial-gradient(36% 50% at 62% 96%, rgba(251, 146, 60, 0.1), transparent 70%);
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(34, 211, 238, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, 0.055) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: radial-gradient(72% 62% at 46% 34%, #000 0%, transparent 88%);
  mask-image: radial-gradient(72% 62% at 46% 34%, #000 0%, transparent 88%);
  pointer-events: none;
}

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

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 5vw, 3.25rem);
  margin-top: clamp(1.5rem, 4vw, 2.75rem);
}

.page-about .about-hero__main h1 {
  margin: 0.7rem 0 1rem;
  font-family: var(--font-head);
  font-size: clamp(2.1rem, 6.6vw, 4.1rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--text-hi);
  text-shadow: 0 0 34px rgba(34, 211, 238, 0.22);
  overflow-wrap: break-word;
}

.page-about .about-hero__main .lede {
  max-width: 44rem;
  color: var(--text-2);
  line-height: 1.82;
}

.page-about .about-hero__actions {
  margin-top: 1.6rem;
}

/* 首屏展签面板 */
.page-about .about-plate {
  display: flex;
  align-items: stretch;
  gap: 1.15rem;
  padding: 1.2rem 1.2rem 1.3rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--about-plate-bg);
  box-shadow: 0 20px 48px -32px rgba(34, 211, 238, 0.6);
}

.page-about .about-vnote {
  flex: 0 0 auto;
  align-self: stretch;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--cyan);
  opacity: 0.85;
  white-space: nowrap;
}

.page-about .about-plate__list {
  flex: 1 1 auto;
  margin: 0;
  display: grid;
  gap: 0.15rem;
}

.page-about .about-plate__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--line-soft);
}

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

.page-about .about-plate__row dt {
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  color: var(--text-2);
}

.page-about .about-plate__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--text-hi);
  text-shadow: 0 0 16px rgba(34, 211, 238, 0.35);
}

/* ---------- 通用区块 ---------- */
.page-about .about-sec {
  position: relative;
  padding: clamp(2.5rem, 7vw, 5.5rem) 0;
}

.page-about .about-sec + .about-sec {
  border-top: 1px solid var(--line-soft);
}

.page-about .chapter__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--cyan);
  margin-bottom: 0.65rem;
}

.page-about .chapter__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.55rem, 3.8vw, 2.6rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--text-hi);
  max-width: 34ch;
}

.page-about .chapter__note {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--text-2);
  margin: 0.8rem 0 0;
}

/* 图片说明牌 */
.page-about .about-fig {
  margin: clamp(1.75rem, 4vw, 2.75rem) 0 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-1);
}

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

.page-about .about-fig .figure__cap {
  display: block;
  padding: 0.7rem 1rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--text-2);
  border-top: 1px solid var(--line-soft);
}

/* ---------- 展区 01 时间线 ---------- */
.page-about .about-tl {
  list-style: none;
  margin: clamp(1.9rem, 5vw, 3rem) 0 0;
  padding: 0;
}

.page-about .about-tl__item {
  padding-bottom: 1.9rem;
}

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

.page-about .about-tl__year {
  display: block;
  margin-bottom: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-about .about-tl__body {
  position: relative;
  padding: 0 0 0 1.35rem;
  border-left: 1px solid var(--line-soft);
}

.page-about .about-tl__body::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 0.45rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.12), 0 0 14px rgba(34, 211, 238, 0.7);
}

.page-about .about-tl__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-head);
  font-size: 1.14rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-hi);
}

.page-about .about-tl__text {
  margin: 0;
  max-width: 46rem;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--text-2);
}

/* ---------- 展区 02 六大板块 ---------- */
.page-about .about-mods {
  margin-top: clamp(1.9rem, 5vw, 3rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-about .about-mod {
  padding: 1.4rem 1.2rem 1.55rem;
  background: linear-gradient(180deg, rgba(17, 21, 42, 0.72), rgba(7, 11, 22, 0.96));
  transition: background 0.36s var(--ease);
}

.page-about .about-mod:hover {
  background: linear-gradient(180deg, rgba(34, 211, 238, 0.11), rgba(7, 11, 22, 0.96));
}

.page-about .about-mod__no {
  display: block;
  margin-bottom: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--violet);
}

.page-about .about-mod__name {
  margin: 0 0 0.55rem;
  font-family: var(--font-head);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text-hi);
}

.page-about .about-mod__desc {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--text-2);
}

/* ---------- 展区 03 团队（酒红分区） ---------- */
.page-about .about-team {
  background:
    radial-gradient(58% 70% at 12% 0%, rgba(168, 85, 247, 0.16), transparent 70%),
    linear-gradient(158deg, var(--wine) 0%, var(--about-wine-deep) 72%);
}

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.9rem, 5vw, 3rem);
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

.page-about .about-team__lede {
  margin: 0 0 1.6rem;
  max-width: 42rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--about-team-text);
}

.page-about .about-team__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.15rem;
}

.page-about .about-team__item {
  border-left: 2px solid rgba(168, 85, 247, 0.55);
  padding-left: 1rem;
}

.page-about .about-team__item h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-hi);
}

.page-about .about-team__item p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.78;
  color: var(--about-team-text);
}

.page-about .about-team__stat {
  margin-top: 1.7rem;
}

.page-about .about-fig--team {
  margin-top: 0;
}

/* ---------- 展区 04 服务与基础设施 ---------- */
.page-about .about-ops__split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 2.75rem);
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

.page-about .about-ops__text p {
  margin: 0 0 1.1rem;
  font-size: 0.97rem;
  line-height: 1.85;
  color: var(--text-2);
  max-width: 46rem;
}

.page-about .about-ops__text .about-fig {
  margin-top: 1.6rem;
}

.page-about .about-ops {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  align-content: start;
}

.page-about .about-op {
  padding: 1.15rem 1rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(170deg, rgba(17, 21, 42, 0.86), rgba(7, 11, 22, 0.96));
  transition: border-color 0.36s var(--ease), box-shadow 0.36s var(--ease);
}

.page-about .about-op:hover {
  border-color: rgba(34, 211, 238, 0.55);
  box-shadow: 0 0 24px -8px rgba(34, 211, 238, 0.5);
}

.page-about .about-op__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.45rem, 4vw, 1.95rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--cyan);
  text-shadow: 0 0 20px rgba(34, 211, 238, 0.3);
}

.page-about .about-op__label {
  display: block;
  margin-top: 0.55rem;
  font-size: 0.78rem;
  letter-spacing: 0.09em;
  color: var(--text-2);
}

/* ---------- 展区 05 合作生态 ---------- */
.page-about .about-eco__figures {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: clamp(1.9rem, 5vw, 3rem);
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-about .about-eco__fig {
  padding: 1.5rem 1.3rem 1.6rem;
  background: linear-gradient(160deg, rgba(17, 21, 42, 0.75), rgba(7, 11, 22, 0.97));
}

.page-about .about-eco__fig-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 6vw, 2.9rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  background: linear-gradient(96deg, var(--cyan), var(--violet) 70%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-about .about-eco__fig-label {
  display: block;
  margin-top: 0.6rem;
  font-size: 0.86rem;
  letter-spacing: 0.05em;
  color: var(--text-2);
}

.page-about .about-eco__body {
  margin-top: clamp(1.6rem, 4vw, 2.2rem);
}

.page-about .about-eco__body p {
  margin: 0 0 1.1rem;
  max-width: 48rem;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--text-2);
}

.page-about .about-eco__actions {
  margin-top: 1.5rem;
}

/* ---------- 展区 06 信任来源 ---------- */
.page-about .about-trust {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.9rem;
  margin-top: clamp(1.9rem, 5vw, 3rem);
}

.page-about .about-trust__item {
  padding-top: 1.05rem;
  border-top: 1px solid var(--line);
}

.page-about .about-trust__item::before {
  content: "";
  display: block;
  width: 26px;
  height: 2px;
  margin-bottom: 0.9rem;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}

.page-about .about-trust__item h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-head);
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--text-hi);
}

.page-about .about-trust__item p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.78;
  color: var(--text-2);
}

/* ---------- 收束行动区 ---------- */
.page-about .about-cta {
  position: relative;
  margin-top: clamp(2.4rem, 6vw, 4rem);
  padding: clamp(1.5rem, 4vw, 2.4rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(70% 120% at 6% 0%, rgba(251, 146, 60, 0.14), transparent 68%),
    linear-gradient(150deg, rgba(17, 21, 42, 0.92), rgba(7, 11, 22, 0.97));
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
}

.page-about .about-cta__text h3 {
  margin: 0.55rem 0 0.7rem;
  font-family: var(--font-head);
  font-size: clamp(1.3rem, 3vw, 1.85rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-hi);
}

.page-about .about-cta__text p {
  margin: 0;
  max-width: 46rem;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-2);
}

.page-about .about-cta__actions {
  align-self: end;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-about .about-eco__figures {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-about .about-mods {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.62fr) minmax(248px, 0.72fr);
    align-items: end;
  }

  .page-about .about-ops__split {
    grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.8fr);
    align-items: start;
  }

  .page-about .about-ops {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    position: sticky;
    top: calc(var(--topbar) + 1.5rem);
  }
}

@media (min-width: 880px) {
  .page-about .about-tl__item {
    display: grid;
    grid-template-columns: 8rem minmax(0, 1fr);
    padding-bottom: 0;
  }

  .page-about .about-tl__year {
    text-align: right;
    margin-bottom: 0;
    padding: 0.32rem 2.15rem 0 0;
  }

  .page-about .about-tl__body {
    padding: 0 0 2.6rem 2.15rem;
  }

  .page-about .about-tl__item:last-child .about-tl__body {
    padding-bottom: 0;
    border-left-color: transparent;
  }
}

@media (min-width: 980px) {
  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-about .about-trust {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.6rem;
  }
}

@media (min-width: 1060px) {
  .page-about .about-mods {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-mod,
  .page-about .about-op,
  .page-about .about-tl__body::before {
    transition: none;
  }
}