.page-disclaimer {
  --clause-num-col: 40px;
  --clause-pad: var(--space-3);
  display: block;
}

/* ---------- 页首深色窄带 ---------- */
.page-disclaimer .notice-hero {
  position: relative;
  overflow: hidden;
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding: calc(var(--section-y) * 0.72) 0 calc(var(--section-y) * 0.8);
}

.page-disclaimer .notice-hero::before {
  content: "";
  position: absolute;
  top: -35%;
  right: -18%;
  width: 72%;
  height: 170%;
  background: radial-gradient(circle at 62% 38%, color-mix(in srgb, var(--color-contrast-accent) 24%, transparent) 0%, transparent 62%);
  pointer-events: none;
}

.page-disclaimer .notice-hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

.page-disclaimer .notice-hero .breadcrumb {
  margin-bottom: var(--space-4);
  color: var(--color-contrast-ink);
  opacity: 0.72;
  font-size: var(--text-sm);
}

.page-disclaimer .notice-hero .breadcrumb a {
  color: inherit;
  text-decoration: none;
}

.page-disclaimer .notice-hero .breadcrumb a:hover,
.page-disclaimer .notice-hero .breadcrumb a:focus-visible {
  text-decoration: underline;
}

.page-disclaimer .notice-hero .eyebrow {
  color: var(--color-contrast-accent);
}

.page-disclaimer .notice-hero h1 {
  margin: 0 0 var(--space-3);
  max-width: 22ch;
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-disclaimer .notice-hero .lede {
  max-width: var(--measure);
  color: var(--color-contrast-ink);
  opacity: 0.82;
}

.page-disclaimer .notice-hero__meta {
  margin: var(--space-4) 0 0;
  color: var(--color-contrast-ink);
  opacity: 0.6;
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
}

.page-disclaimer .notice-hero__media {
  position: relative;
  margin: 0;
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-disclaimer .notice-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-disclaimer .notice-hero__scrim {
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
  pointer-events: none;
}

.page-disclaimer .notice-hero__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: var(--space-3);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

/* ---------- 条款定位条 ---------- */
.page-disclaimer .notice-index {
  background: var(--color-surface-alt);
  border-bottom: var(--border-thin) solid var(--color-line);
  padding: var(--space-3) 0;
}

.page-disclaimer .policy-nav__list {
  display: flex;
  gap: var(--space-1);
  margin: 0;
  padding: 0 0 var(--space-1);
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .policy-nav__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  white-space: nowrap;
  padding: var(--space-1) var(--space-2);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: background-color 0.24s ease, color 0.24s ease, border-color 0.24s ease;
}

.page-disclaimer .policy-nav__link:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.page-disclaimer .policy-nav__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: inherit;
  letter-spacing: 0.06em;
}

.page-disclaimer:has(#clause-1:target) .policy-nav__link[href="#clause-1"],
.page-disclaimer:has(#clause-2:target) .policy-nav__link[href="#clause-2"],
.page-disclaimer:has(#clause-3:target) .policy-nav__link[href="#clause-3"],
.page-disclaimer:has(#clause-4:target) .policy-nav__link[href="#clause-4"],
.page-disclaimer:has(#clause-5:target) .policy-nav__link[href="#clause-5"],
.page-disclaimer:has(#clause-6:target) .policy-nav__link[href="#clause-6"],
.page-disclaimer:has(#clause-7:target) .policy-nav__link[href="#clause-7"],
.page-disclaimer:has(#clause-8:target) .policy-nav__link[href="#clause-8"] {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-ink);
}

/* ---------- 条款区 ---------- */
.page-disclaimer .clause-section {
  background: var(--color-surface);
  padding: calc(var(--section-y) * 0.8) 0 var(--section-y);
}

.page-disclaimer .clause-section__head {
  max-width: var(--measure);
  margin-bottom: var(--space-8);
}

.page-disclaimer .clause-section__head h2 {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-disclaimer .clause-group + .clause-group {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-disclaimer .clause-group__label {
  display: inline-block;
  margin: 0 0 var(--space-3);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  background: var(--color-surface-deep);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
}

.page-disclaimer .clause {
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  overflow: hidden;
  scroll-margin-top: calc(var(--space-8) * 2);
  transition: border-color 0.28s ease, background-color 0.28s ease, box-shadow 0.28s ease;
}

.page-disclaimer .clause + .clause {
  margin-top: var(--space-2);
}

.page-disclaimer .clause[open] {
  border-color: color-mix(in srgb, var(--color-primary) 42%, var(--color-line));
  box-shadow: var(--shadow-1);
}

.page-disclaimer .clause:target {
  border-color: var(--color-accent);
  background: color-mix(in srgb, var(--color-highlight) 58%, var(--color-surface));
}

.page-disclaimer .clause__head {
  display: grid;
  grid-template-columns: var(--clause-num-col) minmax(0, 1fr) var(--space-3);
  gap: var(--space-2);
  align-items: center;
  padding: var(--clause-pad);
  cursor: pointer;
  list-style: none;
}

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

.page-disclaimer .clause__head::after {
  content: "";
  justify-self: end;
  width: var(--space-1);
  height: var(--space-1);
  border-right: 2px solid var(--color-ink-muted);
  border-bottom: 2px solid var(--color-ink-muted);
  transform: rotate(45deg);
  transition: transform 0.28s ease;
}

.page-disclaimer .clause[open] .clause__head::after {
  transform: rotate(-135deg);
}

.page-disclaimer .clause__num {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-primary);
  letter-spacing: 0.04em;
}

.page-disclaimer .clause__title {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-disclaimer .clause__body {
  padding: 0 var(--clause-pad) var(--space-4);
}

.page-disclaimer .clause__body p {
  margin: 0 0 var(--space-2);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

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

.page-disclaimer .clause__body strong {
  color: var(--color-ink);
  font-weight: var(--weight-heading);
}

.page-disclaimer .clause__body a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-disclaimer .clause__body a:hover {
  text-decoration-thickness: 2px;
}

.page-disclaimer .clause__list {
  display: grid;
  gap: var(--space-1);
  margin: 0 0 var(--space-2);
  padding: 0;
  list-style: none;
}

.page-disclaimer .clause__list li {
  position: relative;
  max-width: var(--measure);
  padding-left: var(--space-3);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-disclaimer .clause__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.92em;
  width: var(--space-1);
  height: 1px;
  background: var(--color-primary);
}

.page-disclaimer .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

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

.page-disclaimer .clause__head:focus-visible {
  outline-offset: -2px;
}

/* ---------- 页尾出口 ---------- */
.page-disclaimer .policy-outro {
  background: var(--color-surface-alt);
  border-top: var(--border-thin) solid var(--color-line);
  padding: calc(var(--section-y) * 0.8) 0;
}

.page-disclaimer .policy-outro__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-disclaimer .policy-outro__panel {
  padding: var(--space-6);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-1);
}

.page-disclaimer .policy-outro__panel h2 {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-disclaimer .policy-outro__panel p {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-disclaimer .policy-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.page-disclaimer .policy-outro__side {
  padding: var(--space-4);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface-deep);
}

.page-disclaimer .policy-outro__side p {
  margin: 0 0 var(--space-3);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-disclaimer .policy-outro__link {
  display: inline-block;
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid currentColor;
  padding-bottom: 2px;
}

.page-disclaimer .policy-outro__link:hover {
  color: var(--color-primary);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-disclaimer {
    --clause-num-col: 56px;
    --clause-pad: var(--space-4);
  }

  .page-disclaimer .clause__body {
    padding-left: calc(var(--clause-num-col) + var(--space-2) + var(--clause-pad));
    padding-right: var(--space-6);
  }

  .page-disclaimer .clause__title {
    font-size: var(--text-lg);
  }
}

@media (min-width: 900px) {
  .page-disclaimer .notice-hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
    align-items: end;
    gap: var(--space-8);
  }

  .page-disclaimer .notice-hero h1 {
    font-size: var(--text-4xl);
  }

  .page-disclaimer .policy-outro__inner {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause,
  .page-disclaimer .clause__head::after,
  .page-disclaimer .policy-nav__link {
    transition: none;
  }
}