.page-disclaimer {
  --clause-pad: clamp(1.25rem, 3vw, 1.9rem);
  --aside-w: 12rem;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .page-hero {
  padding: clamp(1.5rem, 4vw, 3rem) 0 clamp(1.75rem, 4vw, 3rem);
  background:
    radial-gradient(130% 95% at 10% -12%, rgba(47, 125, 255, 0.24), transparent 62%),
    linear-gradient(180deg, var(--blue-deep) 0%, rgba(14, 42, 77, 0) 72%),
    var(--ink);
}

.page-disclaimer .page-hero-shell {
  display: flex;
  flex-direction: column;
}

.page-disclaimer .page-hero .breadcrumbs {
  margin-bottom: clamp(1rem, 3vw, 1.75rem);
}

.page-disclaimer .hero-kicker {
  margin: 0 0 0.85rem;
  font-family: var(--mono);
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  color: var(--neon);
}

.page-disclaimer h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.04;
  color: var(--text);
}

.page-disclaimer .hero-lead {
  max-width: 60ch;
  margin: 0 0 clamp(1.5rem, 4vw, 2.5rem);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.8;
  color: var(--ice);
}

.page-disclaimer .hero-media {
  border: 1px solid var(--grid);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--panel-deep);
}

.page-disclaimer .hero-media img {
  display: block;
  width: 100%;
  height: clamp(170px, 32vw, 330px);
  object-fit: cover;
}

.page-disclaimer .hero-figure .figure-caption {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 顶部提示带 ---------- */
.page-disclaimer .brief-band {
  padding: clamp(1.5rem, 4vw, 2.5rem) 0;
  border-top: 1px solid var(--grid);
  border-bottom: 1px solid var(--grid);
  background: linear-gradient(115deg, var(--blue-deep) 0%, rgba(47, 125, 255, 0.16) 48%, rgba(10, 14, 20, 0) 100%);
}

.page-disclaimer .brief-title {
  margin: 0 0 1rem;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-disclaimer .brief {
  border: 1px solid var(--grid);
  border-radius: var(--radius-md);
  background: rgba(19, 26, 36, 0.78);
  overflow: hidden;
}

.page-disclaimer .brief-summary {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.1rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--ice);
}

.page-disclaimer .brief-summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .brief-tag {
  padding: 0.1rem 0.6rem;
  border: 1px solid rgba(53, 240, 160, 0.38);
  border-radius: var(--radius-pill);
  color: var(--neon);
  font-size: 0.75rem;
}

.page-disclaimer .brief-toggle {
  margin-left: auto;
  width: 9px;
  height: 9px;
  border-right: 1px solid var(--blue);
  border-bottom: 1px solid var(--blue);
  transform: rotate(45deg);
  transition: transform 0.2s var(--ease);
}

.page-disclaimer .brief[open] .brief-toggle {
  transform: rotate(-135deg);
}

.page-disclaimer .brief-list {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding: 1rem 1.1rem 1.15rem;
  list-style: none;
  border-top: 1px solid var(--grid);
}

.page-disclaimer .brief-list li {
  display: grid;
  grid-template-columns: 1.5rem minmax(0, 1fr);
  gap: 0.5rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--text);
}

.page-disclaimer .brief-num {
  padding-top: 0.35rem;
  font-size: 0.75rem;
  color: var(--blue);
}

/* ---------- 条款清单 ---------- */
.page-disclaimer .clauses {
  padding: clamp(1.75rem, 4vw, 3rem) 0 clamp(3rem, 7vw, 5rem);
}

.page-disclaimer .clause {
  position: relative;
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.3rem 0.9rem;
  padding: var(--clause-pad) 0.85rem;
  transition: background-color 0.2s var(--ease);
}

.page-disclaimer .clause::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--neon);
  transform: scaleY(0);
  transform-origin: 50% 0;
  transition: transform 0.24s var(--ease);
}

.page-disclaimer .clause:hover::before,
.page-disclaimer .clause:focus-within::before,
.page-disclaimer .clause:target::before {
  transform: scaleY(1);
}

.page-disclaimer .clause:hover,
.page-disclaimer .clause:focus-within {
  background: rgba(47, 125, 255, 0.055);
}

.page-disclaimer .clause:target {
  background: rgba(53, 240, 160, 0.07);
}

.page-disclaimer .clause-num {
  display: inline-block;
  padding-top: 0.15rem;
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--blue);
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

.page-disclaimer .clause-num:hover,
.page-disclaimer .clause-num:focus-visible {
  color: var(--neon);
}

.page-disclaimer .clause-title {
  margin: 0 0 0.7rem;
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.35;
  color: var(--text);
}

.page-disclaimer .clause-body p {
  max-width: 66ch;
  margin: 0 0 0.8rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text);
}

.page-disclaimer .clause-body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .clause-body a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color 0.18s var(--ease);
}

.page-disclaimer .clause-body a:hover,
.page-disclaimer .clause-body a:focus-visible {
  color: var(--neon);
}

.page-disclaimer .clause-body .num {
  color: var(--ice);
}

.page-disclaimer .clause-aside {
  grid-column: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.55rem;
  margin-top: 0.85rem;
}

.page-disclaimer .clause-aside .tag,
.page-disclaimer .clause-aside .tag-neon {
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.page-disclaimer .clause-hint {
  flex-basis: 100%;
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--muted);
}

.page-disclaimer .clause-rule {
  display: block;
  height: 6px;
  width: calc(100% - 1.7rem);
  margin: 0 0.85rem;
  color: var(--grid);
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .clause {
    grid-template-columns: 3.5rem minmax(0, 1fr) var(--aside-w);
    gap: 0 2.25rem;
    align-items: start;
  }

  .page-disclaimer .clause-num {
    grid-column: 1;
    grid-row: 1;
    font-size: 1.15rem;
  }

  .page-disclaimer .clause-body {
    grid-column: 2;
    grid-row: 1;
  }

  .page-disclaimer .clause-aside {
    grid-column: 3;
    grid-row: 1;
    flex-direction: column;
    align-items: flex-start;
    margin-top: 0;
    text-align: left;
  }

  .page-disclaimer .clause-hint {
    opacity: 0;
    transform: translateY(-3px);
    transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
  }

  .page-disclaimer .clause:hover .clause-hint,
  .page-disclaimer .clause:focus-within .clause-hint,
  .page-disclaimer .clause:target .clause-hint {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 1180px) {
  .page-disclaimer .page-hero-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 20rem;
    column-gap: 3rem;
    align-items: end;
  }

  .page-disclaimer .page-hero .breadcrumbs,
  .page-disclaimer .hero-kicker,
  .page-disclaimer h1,
  .page-disclaimer .hero-lead {
    grid-column: 1;
  }

  .page-disclaimer .hero-figure {
    grid-column: 1 / -1;
    margin-top: clamp(1.75rem, 4vw, 2.75rem);
  }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause,
  .page-disclaimer .clause::before,
  .page-disclaimer .clause-hint,
  .page-disclaimer .brief-toggle,
  .page-disclaimer .clause-num {
    transition: none;
  }
}