.page-disclaimer {
  background: var(--color-ink);
  color: var(--text-high);
  overflow-x: clip;
}

.page-disclaimer__hero {
  position: relative;
  padding: 2.4rem 0 2.2rem;
  border-bottom: 1px solid var(--border-faint);
  background:
    radial-gradient(ellipse at 85% -10%, rgba(0, 194, 255, 0.18), transparent 45%),
    radial-gradient(ellipse at 10% 110%, rgba(255, 46, 77, 0.14), transparent 40%),
    var(--color-ink);
}

.page-disclaimer__hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 3px;
  background: var(--gradient-energy);
  opacity: 0.65;
}

.page-disclaimer__eyebrow {
  margin-top: 1.5rem;
  color: var(--color-blue);
}

.page-disclaimer h1.display-title {
  margin: 0.5rem 0 1rem;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.12;
}

.page-disclaimer__hero-intro {
  max-width: 56rem;
  margin: 0;
  color: var(--text-low);
  font-size: 1.05rem;
  line-height: 1.75;
}

.page-disclaimer__hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.page-disclaimer__index {
  padding: 3.2rem 0 1rem;
}

.page-disclaimer__index .eyebrow,
.page-disclaimer__clauses .eyebrow,
.page-disclaimer__related .eyebrow {
  color: var(--color-blue);
}

.page-disclaimer__index-desc {
  margin: 0.5rem 0 1.5rem;
  color: var(--text-low);
}

.page-disclaimer__index-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.page-disclaimer__index-card {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 1.25rem 1.4rem;
  background: var(--color-panel);
  border: 1px solid var(--border-faint);
  border-left: 3px solid var(--color-red);
  color: var(--text-high);
  text-decoration: none;
  transition: transform 0.25s ease, background 0.25s ease;
}

.page-disclaimer__index-card:nth-child(even) {
  border-left-color: var(--color-blue);
}

.page-disclaimer__index-card:last-child {
  border-left-color: var(--color-silver);
}

.page-disclaimer__index-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-blue);
}

.page-disclaimer__index-card:nth-child(even) .page-disclaimer__index-num {
  color: var(--color-red);
}

.page-disclaimer__index-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
}

.page-disclaimer__index-brief {
  color: var(--text-low);
  font-size: 0.82rem;
}

.page-disclaimer__clauses {
  position: relative;
  padding: 3rem 0 4rem;
}

.page-disclaimer__clauses::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 26px 26px;
  pointer-events: none;
}

.page-disclaimer__clauses::after {
  content: "";
  position: absolute;
  top: 0;
  left: -20%;
  width: 60%;
  height: 100%;
  background: linear-gradient(100deg, transparent, rgba(0, 194, 255, 0.05), transparent);
  transform: skewX(-10deg);
  pointer-events: none;
}

.page-disclaimer__clauses > .shell-narrow {
  position: relative;
}

.page-disclaimer__clauses-note {
  margin: 0.4rem 0 0;
  color: var(--text-low);
  font-size: 0.88rem;
}

.page-disclaimer__clause {
  margin-top: 1rem;
  background: rgba(20, 26, 36, 0.92);
  border: 1px solid var(--border-faint);
  border-left: 3px solid var(--color-red);
}

.page-disclaimer__clause:nth-of-type(even) {
  border-left-color: var(--color-blue);
}

.page-disclaimer__clause-summary {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1.1rem 1.25rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

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

.page-disclaimer__clause-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.4rem;
  height: 2.4rem;
  background: var(--color-red);
  color: var(--text-high);
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.82rem;
  flex-shrink: 0;
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}

.page-disclaimer__clause:nth-of-type(even) .page-disclaimer__clause-num {
  background: var(--color-blue);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 100%, 10px 100%);
}

.page-disclaimer__clause-title {
  flex: 1;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
}

.page-disclaimer__clause-toggle {
  position: relative;
  color: var(--color-blue);
  font-size: 0.82rem;
  white-space: nowrap;
}

.page-disclaimer__clause-toggle::before {
  content: "展开";
  background: rgba(255, 255, 255, 0.06);
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--border-faint);
  border-radius: 999px;
}

.page-disclaimer__clause[open] .page-disclaimer__clause-toggle::before {
  content: "收起";
  color: var(--color-red);
  background: rgba(255, 46, 77, 0.08);
}

.page-disclaimer__clause-body {
  padding: 0 1.25rem 1.4rem;
  color: var(--text-low);
  line-height: 1.75;
  font-size: 0.95rem;
}

.page-disclaimer__clause-body p + p {
  margin-top: 0.75rem;
}

.page-disclaimer__clause-list {
  list-style: none;
  margin: 0.75rem 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
}

.page-disclaimer__clause-list li {
  position: relative;
  padding-left: 1.5rem;
}

.page-disclaimer__clause-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.45rem;
  height: 0.45rem;
  background: var(--color-blue);
  clip-path: polygon(0 50%, 100% 0, 100% 100%);
}

.page-disclaimer__evidence {
  margin-top: 1rem;
}

.page-disclaimer__evolution {
  padding: 3rem 0 4rem;
  border-top: 1px solid var(--border-faint);
  background:
    linear-gradient(90deg, rgba(0, 194, 255, 0.05), transparent 50%),
    var(--color-ink);
}

.page-disclaimer__evolution-head {
  max-width: 44rem;
}

.page-disclaimer__evolution-head p {
  margin: 0.5rem 0 0;
  color: var(--text-low);
}

.page-disclaimer__timeline {
  margin-top: 2rem;
  padding: 0;
  list-style: none;
  position: relative;
}

.page-disclaimer__timeline::before {
  content: "";
  position: absolute;
  left: 1.4rem;
  top: 0.4rem;
  bottom: 0.4rem;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-red), var(--color-blue));
  opacity: 0.55;
}

.page-disclaimer__tl-item {
  position: relative;
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  align-items: start;
  margin-bottom: 2rem;
}

.page-disclaimer__tl-item:last-child {
  margin-bottom: 0;
}

.page-disclaimer__tl-node {
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  background: var(--color-panel);
  border: 1px solid var(--border-faint);
  color: var(--color-blue);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}

.page-disclaimer__tl-content h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
}

.page-disclaimer__tl-content p {
  margin: 0.25rem 0 0;
  color: var(--text-low);
  font-size: 0.88rem;
  line-height: 1.6;
}

.page-disclaimer__proof {
  padding: 3.4rem 0;
  border-top: 1px solid var(--border-faint);
}

.page-disclaimer__proof-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.page-disclaimer__proof-figure {
  margin: 0;
  padding: 0.5rem;
  background: var(--color-panel);
  border: 1px solid var(--border-faint);
  box-shadow: 12px 12px 0 rgba(255, 46, 77, 0.08);
}

.page-disclaimer__proof-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.page-disclaimer__proof-body .eyebrow {
  color: var(--color-red);
}

.page-disclaimer__proof-body p {
  color: var(--text-low);
  line-height: 1.7;
}

.page-disclaimer__proof-list {
  margin: 1.2rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
}

.page-disclaimer__proof-list li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--text-low);
  font-size: 0.92rem;
}

.page-disclaimer__proof-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 0.7rem;
  height: 0.7rem;
  background: var(--gradient-energy);
  transform: rotate(45deg);
}

.page-disclaimer__related {
  padding: 3rem 0 4rem;
  border-top: 1px solid var(--border-faint);
}

.page-disclaimer__related-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-disclaimer__related-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  height: 100%;
  text-decoration: none;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-disclaimer__related-card:hover {
  border-color: rgba(0, 194, 255, 0.35);
  transform: translateY(-2px);
}

.page-disclaimer a:focus-visible,
.page-disclaimer__clause-summary:focus-visible {
  outline: 2px solid var(--color-blue);
  outline-offset: 2px;
}

.page-disclaimer__index-card:hover {
  transform: translateY(-2px);
  background: rgba(20, 26, 36, 0.78);
}

.page-disclaimer__clause-summary:hover {
  background: rgba(255, 255, 255, 0.02);
}

.page-disclaimer__clause:focus-within {
  border-color: rgba(0, 194, 255, 0.5);
}

@media (min-width: 768px) {
  .page-disclaimer__hero {
    padding: 3.4rem 0 3rem;
  }

  .page-disclaimer__hero-intro {
    max-width: 46rem;
  }

  .page-disclaimer__index-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
  }

  .page-disclaimer__index-card {
    padding: 1.5rem 1.25rem;
  }

  .page-disclaimer__clause-body {
    padding-left: 5.55rem;
    padding-right: 2.5rem;
  }

  .page-disclaimer__proof-grid {
    grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
    gap: 3.5rem;
  }

  .page-disclaimer__related-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer__evolution {
    padding: 4rem 0 5rem;
  }

  .page-disclaimer__timeline {
    max-width: 52rem;
  }

  .page-disclaimer__clause {
    margin-top: 1.1rem;
  }
}