.page-disclaimer {
  --d-narrow: 46rem;
  --d-wide: 62rem;
  --d-rule: rgba(16, 24, 21, 0.14);
  --d-rule-soft: rgba(16, 24, 21, 0.08);
  --d-gold-line: rgba(227, 180, 92, 0.5);
  --d-gold-wash: rgba(227, 180, 92, 0.14);

  position: relative;
  overflow-x: clip;
  padding-block: clamp(1.25rem, 3vw, 2.25rem) clamp(3rem, 7vw, 5.5rem);
  background: var(--paper);
  color: var(--ink-text);
  font-family: var(--font-body);
}

/* ---------- 面包屑 ---------- */
.page-disclaimer .breadcrumbs {
  margin: 0 0 clamp(1.5rem, 4vw, 2.5rem);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--grey);
  line-height: 1.6;
}

.page-disclaimer .breadcrumbs a {
  color: var(--ink-700);
  text-decoration: none;
  border-bottom: 1px solid var(--d-rule);
  padding-bottom: 1px;
}

.page-disclaimer .breadcrumbs a:hover,
.page-disclaimer .breadcrumbs a:focus-visible {
  border-bottom-color: var(--gold);
}

/* ---------- 页首 ---------- */
.page-disclaimer .notice-head {
  max-width: var(--d-narrow);
}

.page-disclaimer .notice-tag {
  display: inline-flex;
  align-items: center;
  margin-bottom: clamp(0.85rem, 2vw, 1.15rem);
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--d-gold-line);
  border-radius: var(--pill);
  background: var(--d-gold-wash);
  color: var(--ink-700);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: var(--tracking);
}

.page-disclaimer .display {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--ink-800);
}

.page-disclaimer .display--page {
  font-size: clamp(2.125rem, 8vw, 3.4rem);
}

.page-disclaimer .lede {
  margin: 0;
  max-width: 38rem;
  font-size: clamp(0.975rem, 2.6vw, 1.0625rem);
  line-height: 1.85;
  color: var(--ink-700);
}

/* ---------- 首屏横幅 ---------- */
.page-disclaimer .notice-banner {
  margin: clamp(1.75rem, 5vw, 3rem) 0 clamp(1.75rem, 5vw, 3rem);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(140deg, var(--ink-700), var(--ink-900));
  box-shadow: var(--glow-gold);
}

.page-disclaimer .notice-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  opacity: 0.92;
}

/* ---------- 条款索引 ---------- */
.page-disclaimer .notice-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.6rem;
  margin-bottom: clamp(2rem, 6vw, 3.5rem);
}

.page-disclaimer .notice-toc a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  padding: 0.5rem 0.95rem;
  border: 1px solid var(--d-rule);
  border-radius: var(--pill);
  background: rgba(255, 255, 255, 0.55);
  color: var(--ink-700);
  font-size: 0.875rem;
  line-height: 1.4;
  text-decoration: none;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.page-disclaimer .notice-toc a .mono {
  font-size: 0.75rem;
  color: var(--grey);
  letter-spacing: 0.06em;
}

.page-disclaimer .notice-toc a:hover,
.page-disclaimer .notice-toc a:focus-visible {
  border-color: var(--d-gold-line);
  background: #fff;
  color: var(--ink-800);
  transform: translateY(-1px);
}

/* ---------- 条款 ---------- */
.page-disclaimer .notice-clause {
  display: block;
  max-width: 52rem;
  padding-block: clamp(1.5rem, 5vw, 2.5rem);
  border-top: 1px solid var(--d-rule-soft);
}

.page-disclaimer .notice-clause:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-disclaimer .notice-clause__mark {
  position: relative;
  margin-bottom: 0.9rem;
}

.page-disclaimer .notice-clause__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.6rem;
  height: 2.6rem;
  border: 1px solid var(--d-gold-line);
  border-radius: var(--pill);
  background: var(--d-gold-wash);
  color: var(--ink-800);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
}

.page-disclaimer .notice-clause__body h2 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.3125rem, 5vw, 1.75rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ink-800);
}

.page-disclaimer .notice-clause__body p {
  margin: 0 0 0.95rem;
  max-width: 40rem;
  font-size: 0.9875rem;
  line-height: 1.85;
  color: var(--ink-text);
}

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

.page-disclaimer .notice-list {
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.7rem;
  max-width: 40rem;
}

.page-disclaimer .notice-list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.9875rem;
  line-height: 1.8;
  color: var(--ink-text);
}

.page-disclaimer .notice-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 0.5rem;
  height: 2px;
  border-radius: 2px;
  background: var(--gold);
}

.page-disclaimer .notice-link {
  color: var(--ink-800);
  text-decoration: none;
  border-bottom: 1px solid var(--d-gold-line);
  padding-bottom: 1px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-disclaimer .notice-link:hover,
.page-disclaimer .notice-link:focus-visible {
  color: var(--ink-900);
  border-bottom-color: var(--gold);
}

/* ---------- 版本对照条 ---------- */
.page-disclaimer .notice-versions {
  position: relative;
  overflow: hidden;
  max-width: var(--d-wide);
  margin: clamp(2rem, 6vw, 3.25rem) 0;
  padding: clamp(1.5rem, 4.5vw, 2.5rem);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--ink-800), var(--ink-900));
  color: var(--white);
  box-shadow: var(--shadow-deep);
}

.page-disclaimer .notice-versions::before {
  content: "";
  position: absolute;
  right: -8rem;
  bottom: -12rem;
  width: 24rem;
  height: 24rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79, 224, 200, 0.18), transparent 66%);
  pointer-events: none;
}

.page-disclaimer .notice-versions__title {
  position: relative;
  margin: 0 0 1.15rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: var(--tracking);
  color: var(--gold-soft);
}

.page-disclaimer .notice-versions__grid {
  position: relative;
  display: grid;
  gap: 0;
}

.page-disclaimer .notice-versions__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.35rem;
  padding: 0.95rem 0;
  border-top: 1px solid var(--line);
}

.page-disclaimer .notice-versions__row:first-child {
  border-top: 1px solid var(--line-strong);
}

.page-disclaimer .notice-versions__key {
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-disclaimer .notice-versions__val {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(247, 251, 249, 0.86);
}

/* ---------- 回到顶部 ---------- */
.page-disclaimer .notice-top {
  position: fixed;
  right: clamp(0.85rem, 3vw, 1.75rem);
  bottom: clamp(0.85rem, 3vw, 1.75rem);
  z-index: 20;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--pill);
  background: rgba(14, 43, 36, 0.92);
  color: var(--white);
  font-size: 0.8125rem;
  line-height: 1.4;
  text-decoration: none;
  backdrop-filter: blur(6px);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-disclaimer .notice-top:hover,
.page-disclaimer .notice-top:focus-visible {
  transform: translateY(-2px);
  border-color: var(--cyan);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .notice-clause {
    display: grid;
    grid-template-columns: 3.25rem minmax(0, 1fr);
    column-gap: clamp(1rem, 3vw, 1.75rem);
  }

  .page-disclaimer .notice-clause__mark {
    margin-bottom: 0;
  }

  .page-disclaimer .notice-clause__num {
    width: 3.25rem;
    height: 3.25rem;
    font-size: 0.9375rem;
  }

  .page-disclaimer .notice-clause__mark::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 3.65rem;
    bottom: 0;
    width: 1px;
    transform: translateX(-50%);
    background: linear-gradient(180deg, var(--d-gold-line), rgba(227, 180, 92, 0));
  }

  .page-disclaimer .notice-banner img {
    aspect-ratio: 3 / 1;
  }

  .page-disclaimer .notice-versions__row {
    grid-template-columns: minmax(3.5rem, 6rem) minmax(0, 1fr);
    gap: 1.5rem;
    align-items: baseline;
    padding: 1.05rem 0;
  }
}

/* ---------- 大屏 ---------- */
@media (min-width: 1024px) {
  .page-disclaimer {
    padding-block: clamp(2rem, 4vw, 3rem) clamp(4rem, 7vw, 6rem);
  }

  .page-disclaimer .notice-clause {
    max-width: 54rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .notice-toc a,
  .page-disclaimer .notice-link,
  .page-disclaimer .notice-top {
    transition: none;
  }

  .page-disclaimer .notice-toc a:hover,
  .page-disclaimer .notice-toc a:focus-visible,
  .page-disclaimer .notice-top:hover,
  .page-disclaimer .notice-top:focus-visible {
    transform: none;
  }
}