.page-disclaimer {
  --notice-stripe-a: var(--color-surface-alt);
  --notice-stripe-b: color-mix(in srgb, var(--color-surface-alt) 48%, var(--color-surface));
  --notice-fade: color-mix(in srgb, var(--color-contrast-ink) 9%, transparent);
  --notice-fade-hover: color-mix(in srgb, var(--color-contrast-ink) 17%, transparent);
}

/* ---------- 顶部通栏：风向箭头纹样 ---------- */
.page-disclaimer .notice-banner {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: flex-end;
  min-height: 46vh;
  padding-block: var(--space-8) var(--space-6);
  background-color: var(--color-contrast-surface);
  overflow: hidden;
}

.page-disclaimer .notice-banner__img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 30% 42%;
}

.page-disclaimer .notice-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: var(--overlay-scrim);
}

.page-disclaimer .notice-banner__pattern {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  color: var(--color-contrast-ink);
  opacity: 0.13;
  pointer-events: none;
}

.page-disclaimer .notice-banner__inner {
  position: relative;
  z-index: 3;
  color: var(--color-contrast-ink);
}

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

.page-disclaimer .notice-banner__title {
  margin: var(--space-2) 0 0;
  max-width: 22ch;
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-heading);
  color: var(--color-contrast-ink);
}

.page-disclaimer .notice-banner__lead {
  margin-top: var(--space-2);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.86;
}

/* ---------- 面包屑条 ---------- */
.page-disclaimer .notice-crumbs {
  padding-block: var(--space-2);
  background-color: var(--color-surface);
}

/* ---------- 条款分组 ---------- */
.page-disclaimer .notice-section {
  padding-block: calc(var(--section-y) * 0.6);
  background-color: var(--color-surface);
}

.page-disclaimer .notice-head {
  max-width: 62ch;
  margin-bottom: var(--space-6);
}

.page-disclaimer .notice-head__title {
  margin: 0;
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-disclaimer .notice-head__lead {
  margin-top: var(--space-2);
  color: var(--color-ink-soft);
}

/* ---------- 横条式条款 ---------- */
.page-disclaimer .notice-clauses {
  display: grid;
  gap: var(--space-2);
}

.page-disclaimer .notice-clause {
  border-radius: var(--radius-md);
  background-color: var(--notice-stripe-a);
  overflow: hidden;
  transition: background-color 180ms ease, box-shadow 180ms ease;
}

.page-disclaimer .notice-clause:nth-child(even) {
  background-color: var(--notice-stripe-b);
}

.page-disclaimer .notice-clause[open] {
  box-shadow: var(--shadow-1);
}

.page-disclaimer .notice-clause__head {
  position: relative;
  margin: 0;
  padding: var(--space-3) calc(var(--space-4) + var(--space-3)) var(--space-3) var(--space-4);
  cursor: pointer;
  list-style: none;
}

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

.page-disclaimer .notice-clause__head::after {
  content: "+";
  position: absolute;
  top: var(--space-3);
  right: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  line-height: 1;
  color: var(--color-primary);
}

.page-disclaimer .notice-clause[open] .notice-clause__head::after {
  content: "−";
}

.page-disclaimer .notice-clause__title {
  margin: 0;
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-disclaimer .notice-clause__body {
  padding: 0 var(--space-4) var(--space-4);
  max-width: 78ch;
  color: var(--color-ink-soft);
}

.page-disclaimer .notice-clause__body p {
  margin: 0;
}

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

.page-disclaimer .notice-clause__body a {
  color: var(--color-ink);
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-disclaimer .notice-clause__body a:hover,
.page-disclaimer .notice-clause__body a:focus-visible {
  text-decoration-thickness: 3px;
}

.page-disclaimer .notice-clause__hint {
  display: block;
  border-radius: var(--radius-sm);
  background-color: var(--color-primary-soft);
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
}

.page-disclaimer .notice-key {
  color: var(--color-ink);
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

/* ---------- 收尾行动出口 ---------- */
.page-disclaimer .notice-actions {
  padding-block: calc(var(--section-y) * 0.62);
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-disclaimer .notice-actions__title {
  margin: 0 0 var(--space-4);
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  color: var(--color-contrast-ink);
}

.page-disclaimer .notice-actions__links {
  display: grid;
  gap: var(--space-2);
}

.page-disclaimer .notice-action {
  display: block;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background-color: var(--notice-fade);
  color: var(--color-contrast-ink);
  text-decoration: none;
  transition: background-color 180ms ease, transform 180ms ease;
}

.page-disclaimer .notice-action:hover,
.page-disclaimer .notice-action:focus-visible {
  background-color: var(--notice-fade-hover);
  transform: translateY(-2px);
}

.page-disclaimer .notice-action__label {
  display: block;
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  color: var(--color-contrast-ink);
}

.page-disclaimer .notice-action__desc {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-contrast-ink);
  opacity: 0.78;
}

/* ---------- 焦点可见性 ---------- */
.page-disclaimer a:focus-visible,
.page-disclaimer summary:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---------- 响应式 ---------- */
@media (min-width: 768px) {
  .page-disclaimer .notice-banner {
    min-height: 52vh;
    padding-block: var(--space-8) var(--space-6);
  }

  .page-disclaimer .notice-banner__title {
    font-size: var(--text-4xl);
    max-width: 20ch;
  }

  .page-disclaimer .notice-head__title {
    font-size: var(--text-2xl);
  }

  .page-disclaimer .notice-clause__head {
    padding-inline: var(--space-6);
    padding-block: var(--space-4);
  }

  .page-disclaimer .notice-clause__head::after {
    top: var(--space-4);
    right: var(--space-6);
  }

  .page-disclaimer .notice-clause__body {
    padding: 0 var(--space-6) var(--space-4);
  }

  .page-disclaimer .notice-actions__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .notice-section {
    padding-block: calc(var(--section-y) * 0.78);
  }

  .page-disclaimer .notice-head {
    max-width: none;
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: var(--space-6);
    align-items: end;
    margin-bottom: var(--space-8);
  }

  .page-disclaimer .notice-head__title {
    margin: 0;
  }

  .page-disclaimer .notice-head__lead {
    margin-top: 0;
  }
}