.page-disclaimer {
  display: block;
  padding-bottom: clamp(40px, 8vw, 96px);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disc-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  padding-block: clamp(20px, 4vw, 44px) clamp(22px, 4vw, 44px);
}

.page-disclaimer .disc-hero__title {
  font-family: var(--font-display);
  font-size: clamp(32px, 7.4vw, 58px);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--mist-100);
  margin-top: 14px;
}

.page-disclaimer .disc-hero__lead {
  max-width: 58ch;
  margin-top: 20px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--slate-400);
}

.page-disclaimer .disc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line-500);
}

.page-disclaimer .disc-hero__metaitem {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate-400);
}

/* ---------- 版本卡 ---------- */
.page-disclaimer .disc-ver {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-500);
  border-radius: var(--radius);
  background: var(--ink-800);
  transition: border-color 0.35s var(--ease);
}

.page-disclaimer .disc-ver:hover,
.page-disclaimer .disc-ver:focus-within {
  border-color: var(--amber-400);
}

.page-disclaimer .disc-ver__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  max-width: 100%;
  height: auto;
  pointer-events: none;
}

.page-disclaimer .disc-ver__img {
  height: 100%;
}

.page-disclaimer .disc-ver__body {
  position: relative;
  padding: clamp(20px, 3vw, 32px);
}

.page-disclaimer .disc-ver__batch {
  font-family: var(--font-mono);
  font-size: clamp(34px, 6vw, 46px);
  line-height: 1.1;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--amber-400);
  margin-top: 14px;
  transition: opacity 0.3s var(--ease);
}

.page-disclaimer .disc-ver:hover .disc-ver__batch {
  opacity: 0.86;
}

.page-disclaimer .disc-ver__label {
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--mist-100);
  margin-top: 6px;
}

.page-disclaimer .disc-ver__note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line-500);
  font-size: 13px;
  line-height: 1.85;
  color: var(--slate-400);
}

.page-disclaimer .disc-ver__list {
  margin: 16px 0 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .disc-ver__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  padding-bottom: 8px;
  border-bottom: 1px dashed rgba(40, 64, 90, 0.9);
}

.page-disclaimer .disc-ver__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-disclaimer .disc-ver__row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan-400);
}

.page-disclaimer .disc-ver__row dd {
  margin: 0;
  font-size: 13px;
  color: var(--mist-100);
}

/* ---------- 目录索引条 ---------- */
.page-disclaimer .disc-index {
  border-top: 1px solid var(--line-500);
  border-bottom: 1px solid var(--line-500);
  padding-block: 4px;
}

.page-disclaimer .disc-index ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
}

.page-disclaimer .disc-index li {
  border-right: 1px solid var(--line-500);
}

.page-disclaimer .disc-index li:last-child {
  border-right: 0;
}

.page-disclaimer .disc-index a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 12px;
  color: var(--slate-400);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.04em;
  transition: color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-disclaimer .disc-index__n {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--amber-400);
}

.page-disclaimer .disc-index a:hover,
.page-disclaimer .disc-index a:focus-visible {
  color: var(--mist-100);
  background: var(--ink-800);
}

.page-disclaimer .disc-index a:focus-visible {
  outline: 1px solid var(--cyan-400);
  outline-offset: -3px;
}

/* ---------- 条款区 ---------- */
.page-disclaimer .disc-clauses {
  margin-top: clamp(24px, 4vw, 40px);
  border-left: 1px solid var(--line-500);
}

.page-disclaimer .clause {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 26px 0 26px clamp(14px, 3vw, 26px);
  border-bottom: 1px solid var(--line-500);
  scroll-margin-top: 90px;
}

.page-disclaimer .clause:last-child {
  border-bottom: 0;
}

.page-disclaimer .clause__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber-400);
}

.page-disclaimer .clause__title {
  font-family: var(--font-display);
  font-size: clamp(20px, 3.4vw, 27px);
  line-height: 1.25;
  font-weight: 600;
  color: var(--mist-100);
  margin-bottom: 12px;
}

.page-disclaimer .prose {
  color: var(--slate-400);
  font-size: 15px;
  line-height: 1.95;
}

.page-disclaimer .prose p {
  margin: 0 0 14px;
  max-width: 66ch;
}

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

.page-disclaimer .disc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 断点 ---------- */
@media (min-width: 780px) {
  .page-disclaimer .disc-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
    gap: clamp(28px, 4vw, 52px);
  }

  .page-disclaimer .disc-hero__text {
    padding-top: 6px;
  }

  .page-disclaimer .clause {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 0 30px;
    padding-block: 34px;
  }

  .page-disclaimer .clause__num {
    padding-top: 6px;
    font-size: 13px;
  }
}

@media (min-width: 1100px) {
  .page-disclaimer .disc-hero {
    padding-block: clamp(28px, 4vw, 56px) clamp(30px, 5vw, 56px);
  }

  .page-disclaimer .disc-ver {
    position: sticky;
    top: 32px;
  }

  .page-disclaimer .clause {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 0 40px;
    padding-block: 40px;
  }

  .page-disclaimer .prose {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-ver,
  .page-disclaimer .disc-ver__batch,
  .page-disclaimer .disc-index a {
    transition: none;
  }

  .page-disclaimer .disc-ver:hover .disc-ver__batch {
    opacity: 1;
  }
}