/* ===== 品牌自述 / 澳门十大娱乐 ===== */

.page-about {
  --about-gutter: clamp(16px, 4vw, 40px);
  --about-axis: 78px;
  --about-max: 1180px;
  --about-pad: clamp(48px, 7vw, 88px);
}

.page-about .about-inner,
.page-about .about-track {
  width: 100%;
  max-width: var(--about-max);
  margin: 0 auto;
  padding-left: var(--about-gutter);
  padding-right: var(--about-gutter);
  box-sizing: border-box;
}

.page-about .about-track {
  position: relative;
}

/* ---------- 面包屑 ---------- */
.page-about .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--steel);
  margin-bottom: clamp(28px, 5vw, 52px);
}

.page-about .breadcrumb a {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-about .breadcrumb a:hover,
.page-about .breadcrumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-about .breadcrumb__sep {
  color: var(--ghost);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding: clamp(28px, 5vw, 52px) 0 clamp(56px, 8vw, 96px);
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 44px);
}

.page-about .about-hero__title {
  margin: 16px 0 0;
  max-width: 15em;
}

.page-about .about-hero__lede {
  margin-top: 22px;
  max-width: 34em;
  color: var(--paper);
  opacity: 0.9;
}

.page-about .about-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 26px 56px;
  margin: clamp(28px, 4vw, 40px) 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

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

.page-about .about-hero__fact dd {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
  letter-spacing: -0.01em;
}

.page-about .about-hero__media {
  margin: 0;
  position: relative;
}

.page-about .about-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border: 1px solid var(--line);
  filter: saturate(0.92);
}

.page-about .about-hero__media figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--steel);
  line-height: 1.7;
}

.page-about .about-hero__note {
  display: none;
  position: absolute;
  top: 0;
  right: 0;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--steel);
  opacity: 0.75;
}

/* ---------- 贯穿全页的时间轴细线 ---------- */
.page-about .about-track__line {
  display: none;
}

.page-about .about-section {
  position: relative;
  padding: var(--about-pad) 0;
}

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

.page-about .about-node {
  display: none;
}

.page-about .about-section__head {
  margin-bottom: clamp(22px, 3.6vw, 36px);
}

.page-about .about-section__title {
  margin: 14px 0 0;
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: 0.005em;
  color: var(--paper);
  max-width: 20em;
}

.page-about .about-section__body {
  max-width: 68ch;
}

.page-about .about-section__body.prose li,
.page-about .about-section__body.prose p {
  color: var(--paper);
  opacity: 0.88;
}

/* ---------- 时间线列表 ---------- */
.page-about .about-tl {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-about .about-tl__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: clamp(24px, 3.4vw, 36px) 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-tl__year {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-about .about-tl__year span {
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 5.4vw, 3rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold);
}

.page-about .about-tl__year em {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--steel);
}

.page-about .about-tl__body h3 {
  margin: 0 0 10px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--paper);
  line-height: 1.4;
}

.page-about .about-tl__body p {
  margin: 0;
  color: var(--paper);
  opacity: 0.8;
  max-width: 56ch;
}

.page-about .about-tl__row--now .about-tl__body h3 {
  color: var(--cyan);
}

.page-about .about-tl__row--now {
  border-bottom-color: var(--line-gold);
}

/* ---------- 服务范围与层级 ---------- */
.page-about .about-scope__lede {
  margin: 0 0 clamp(26px, 4vw, 40px);
  max-width: 66ch;
  color: var(--paper);
  opacity: 0.88;
}

.page-about .about-map {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: clamp(34px, 5vw, 56px);
}

.page-about .about-map__cell {
  display: block;
  padding: 20px 16px;
  background: var(--ink-800);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
  min-height: 74px;
}

.page-about .about-map__cell--hot {
  background: linear-gradient(135deg, rgba(242, 208, 107, 0.18) 0%, rgba(201, 139, 30, 0.1) 100%);
  color: var(--gold-light);
  border-left: 2px solid var(--gold);
}

.page-about .about-scope {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(34px, 5vw, 52px);
  align-items: start;
}

.page-about .about-scope__sub {
  margin: 0 0 10px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--paper);
}

.page-about .about-scope__col > p {
  margin: 0 0 20px;
  max-width: 52ch;
  color: var(--paper);
  opacity: 0.82;
}

.page-about .about-tiers {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-about .about-tiers__item {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-tiers__name {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-about .about-tiers__desc {
  color: var(--paper);
  opacity: 0.85;
}

.page-about .about-scope__media {
  margin: 0;
}

.page-about .about-scope__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-about .about-scope__media figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--steel);
  line-height: 1.7;
}

/* ---------- 暖区：为什么放首屏 ---------- */
.page-about .about-why {
  position: relative;
  overflow: hidden;
}

.page-about .about-why::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--warm-grad);
  opacity: 0.07;
  pointer-events: none;
  animation: about-breathe 12s ease-in-out infinite;
}

.page-about .about-why > * {
  position: relative;
  z-index: 1;
}

@keyframes about-breathe {
  0%, 100% { opacity: 0.06; }
  50% { opacity: 0.10; }
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: clamp(38px, 5.5vw, 60px);
}

.page-about .about-team__card {
  position: relative;
  background: var(--ink-800);
  padding: clamp(22px, 3vw, 30px);
  transition: background 0.18s ease, box-shadow 0.18s ease;
}

.page-about .about-team__card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: transparent;
  transition: background 0.18s ease;
}

.page-about .about-team__card:hover::before,
.page-about .about-team__card:focus-within::before {
  background: var(--cyan);
}

.page-about .about-team__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 14px;
}

.page-about .about-team__card h3 {
  margin: 0 0 10px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--paper);
}

.page-about .about-team__card p {
  margin: 0;
  color: var(--paper);
  opacity: 0.8;
}

.page-about .about-partners {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

.page-about .about-partners__media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-900);
}

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

.page-about .about-partners__text h3 {
  margin: 14px 0 14px;
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  font-weight: 700;
  color: var(--paper);
  line-height: 1.35;
}

.page-about .about-partners__text p {
  margin: 0 0 14px;
  max-width: 56ch;
  color: var(--paper);
  opacity: 0.84;
}

.page-about .about-partners__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, 0.4);
  transition: border-color 0.18s ease;
}

.page-about .about-partners__text a:hover,
.page-about .about-partners__text a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 页尾状态面板 ---------- */
.page-about .about-close {
  padding: clamp(40px, 6vw, 64px) 0 clamp(56px, 8vw, 84px);
  border-top: 1px solid var(--line-gold);
}

.page-about .about-close .status-panel {
  border: 1px solid var(--line);
  background: var(--cold);
}

.page-about .about-close .status-panel__row {
  border-bottom: 1px solid var(--line-cold);
}

.page-about .about-close .status-panel__row:last-child {
  border-bottom: 0;
}

.page-about .about-close .status-panel__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-about .about-close .status-panel__val {
  color: var(--paper);
}

.page-about .about-close .status-panel__val a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, 0.4);
  transition: border-color 0.18s ease;
}

.page-about .about-close .status-panel__val a:hover,
.page-about .about-close .status-panel__val a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-about .about-close__dot {
  color: var(--steel);
  margin: 0 8px;
}

/* ---------- 滚动点亮（渐进增强） ---------- */
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .page-about .about-tl__row {
      animation: about-lit linear both;
      animation-timeline: view();
      animation-range: entry 15% cover 42%;
    }
  }
}

@keyframes about-lit {
  from { opacity: 0.34; }
  to { opacity: 1; }
}

/* ---------- 中等屏 ---------- */
@media (min-width: 700px) {
  .page-about .about-map {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

/* ---------- 桌面：出现贯穿全页的时间轴 ---------- */
@media (min-width: 900px) {
  .page-about .about-track__line {
    display: block;
    position: absolute;
    top: 90px;
    bottom: 110px;
    left: calc(var(--about-gutter) + var(--about-axis));
    width: 1px;
    background: linear-gradient(
      180deg,
      rgba(201, 162, 39, 0) 0%,
      var(--line-gold) 6%,
      var(--line) 30%,
      var(--line) 88%,
      rgba(201, 162, 39, 0) 100%
    );
  }

  .page-about .about-section {
    padding-left: 108px;
  }

  .page-about .about-node {
    display: block;
    position: absolute;
    left: calc(var(--about-axis) - 6px);
    top: calc(var(--about-pad) + 3px);
    width: 12px;
    height: 12px;
    background: var(--ink-800);
    border: 1px solid var(--gold);
    box-shadow: 0 0 0 5px var(--ink-800);
  }

  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 0.78fr);
    gap: clamp(40px, 5vw, 68px);
    align-items: start;
    padding-right: 36px;
  }

  .page-about .about-hero__note {
    display: block;
  }

  .page-about .about-tl__row {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }

  .page-about .about-scope {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
  }

  .page-about .about-partners {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  }
}

@media (min-width: 1180px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.72fr);
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-about .about-why::before {
    animation: none;
  }

  .page-about .about-team__card,
  .page-about .about-team__card::before,
  .page-about .breadcrumb a,
  .page-about .about-partners__text a,
  .page-about .about-close .status-panel__val a {
    transition: none;
  }
}