.page-disclaimer {
  --clause-note-w: 176px;
  --clause-ink: #4C5563;
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 58%, var(--ink-900) 100%);
  color: var(--paper-100);
  padding: 20px 0 56px;
}

.page-disclaimer .terms-rail {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-disclaimer .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-disclaimer .toc-link {
  display: block;
  padding: 7px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate-400);
  text-decoration: none;
  border-left: 2px solid var(--line-soft);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-disclaimer .toc-link:hover,
.page-disclaimer .toc-link:focus-visible {
  color: var(--gold-200);
  border-left-color: var(--gold-400);
  background: rgba(215, 164, 69, 0.08);
}

.page-disclaimer .terms-rail .btn {
  justify-self: start;
  margin-top: 4px;
}

/* 首屏叙事 */
.page-disclaimer .terms-intro {
  display: grid;
  gap: 14px;
  max-width: 46rem;
}

.page-disclaimer .terms-intro h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(36px, 7.5vw, 66px);
  line-height: 1.04;
  letter-spacing: -0.01em;
}

.page-disclaimer .terms-intro .lede {
  margin: 0;
}

.page-disclaimer .terms-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 2px;
}

.page-disclaimer .media-frame {
  margin: 28px 0 0;
}

.page-disclaimer .media-frame__caption {
  font-size: 12.5px;
  color: var(--slate-400);
}

/* 条款卡片 */
.page-disclaimer .terms-list {
  display: grid;
  gap: 22px;
  margin-top: 40px;
}

.page-disclaimer .clause {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--paper-100);
  color: var(--paper-ink);
  border: 1px solid var(--line-hard);
  box-shadow: 4px 4px 0 rgba(11, 18, 32, 0.55), 8px 8px 0 rgba(27, 41, 64, 0.35);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), translate var(--dur) var(--ease);
}

.page-disclaimer .clause:hover,
.page-disclaimer .clause:focus-within {
  border-color: var(--gold-400);
  translate: 0 -2px;
}

.page-disclaimer .clause:target {
  border-color: var(--gold-400);
  box-shadow: 0 0 0 3px rgba(215, 164, 69, 0.3), 4px 4px 0 rgba(11, 18, 32, 0.55);
}

.page-disclaimer .clause--key {
  border-color: var(--gold-400);
}

.page-disclaimer .clause__note {
  margin: 0;
  padding: 14px 16px;
  background: var(--paper-200);
  border-left: 3px solid var(--gold-400);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--clause-ink);
}

.page-disclaimer .clause__body {
  display: grid;
  gap: 12px;
  padding: 22px 20px 24px;
}

.page-disclaimer .clause__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-disclaimer .clause__num {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: #8A5F1A;
}

.page-disclaimer .clause__body h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(21px, 3.4vw, 27px);
  line-height: 1.18;
  color: var(--paper-ink);
}

.page-disclaimer .clause__body p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--paper-ink);
}

.page-disclaimer .clause__body a {
  color: #1F5C49;
  text-decoration: underline;
  text-decoration-color: rgba(44, 110, 90, 0.45);
  text-underline-offset: 3px;
}

.page-disclaimer .clause__body a:hover,
.page-disclaimer .clause__body a:focus-visible {
  color: #8A5F1A;
  text-decoration-color: var(--gold-400);
}

.page-disclaimer .case-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .case {
  display: grid;
  gap: 5px;
  padding: 12px 14px;
  background: var(--paper-200);
  border-left: 3px solid var(--celadon-700);
}

.page-disclaimer .case__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--celadon-700);
}

.page-disclaimer .case p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-ink);
}

.page-disclaimer .code-path {
  background: var(--ink-800);
  color: var(--gold-200);
  border: 1px solid var(--line-600);
  padding: 12px 14px;
  font-size: 13px;
  line-height: 1.7;
  word-break: break-word;
}

.page-disclaimer .copy-btn {
  justify-self: start;
}

/* 底部刻度尺 */
.page-disclaimer .terms-ruler {
  margin-top: 48px;
}

.page-disclaimer .ruler-track {
  list-style: none;
  margin: 18px 0 0;
  padding: 0 0 8px;
  display: flex;
  gap: 0;
  overflow-x: auto;
  border-top: 1px solid var(--line-600);
  scrollbar-width: thin;
}

.page-disclaimer .ruler-tick {
  position: relative;
  flex: 1 0 132px;
  padding: 30px 14px 4px 0;
}

.page-disclaimer .ruler-tick::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 1px;
  height: 22px;
  background: var(--gold-400);
}

.page-disclaimer .ruler-tick::after {
  content: "";
  position: absolute;
  top: 22px;
  left: 0;
  width: 1px;
  height: 8px;
  background: var(--line-600);
}

.page-disclaimer .ruler-tick a {
  display: grid;
  gap: 4px;
  text-decoration: none;
}

.page-disclaimer .ruler-tick__num {
  font-size: 13px;
  color: var(--gold-400);
  letter-spacing: 0.08em;
}

.page-disclaimer .ruler-tick__label {
  font-size: 12.5px;
  color: var(--slate-400);
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .ruler-tick a:hover .ruler-tick__label,
.page-disclaimer .ruler-tick a:focus-visible .ruler-tick__label {
  color: var(--paper-100);
}

.page-disclaimer .wave-rule {
  margin-top: 18px;
}

@media (min-width: 768px) {
  .page-disclaimer {
    padding-top: 26px;
  }

  .page-disclaimer .clause {
    grid-template-columns: var(--clause-note-w) 1fr;
  }

  .page-disclaimer .clause__note {
    padding: 26px 18px;
    border-left: 0;
    border-right: 3px solid var(--gold-400);
  }

  .page-disclaimer .clause__body {
    padding: 26px 28px 28px;
  }

  .page-disclaimer .media-frame {
    margin-top: 34px;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer {
    padding-bottom: 72px;
  }

  .page-disclaimer .terms-rail {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-disclaimer .terms-intro h1 {
    max-width: 18ch;
  }

  .page-disclaimer .clause__body {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-disclaimer .terms-list {
    gap: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause:hover,
  .page-disclaimer .clause:focus-within {
    translate: none;
  }
}