.page-disclaimer {
  --disc-gap: clamp(20px, 3vw, 36px);
  --disc-no-size: 44px;
}

.page-disclaimer .disc-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--disc-gap);
  padding-block: clamp(24px, 4vw, 56px) clamp(28px, 4vw, 64px);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .disc-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(34px, 8vw, 68px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-disclaimer .disc-hero__lede {
  margin-top: 16px;
  max-width: 46ch;
  color: var(--dim);
  font-size: 16.5px;
}

.page-disclaimer .disc-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 22px;
  padding-top: 16px
;
  border-top: 1px dashed var(--line);
}

.page-disclaimer .disc-stat {
  font-size: 13px;
  color: var(--dim);
  letter-spacing: 0.04em;
}

.page-disclaimer .disc-stat b {
  margin-right: 6px;
  color: var(--cyan);
  font-size: 17px;
}

.page-disclaimer .disc-hero__note {
  margin-top: 18px;
  max-width: 50ch;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--dim);
}

.page-disclaimer a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 227, 198, 0.35);
}

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

.page-disclaimer .disc-hero__media {
  margin: 0;
  min-width: 0;
}

.page-disclaimer .disc-hero__media img {
  filter: saturate(0.55) contrast(1.05);
}

/* ---- 目录条 ---- */
.page-disclaimer .disc-toc {
  position: sticky;
  top: calc(var(--header-h) + 8px);
  z-index: 5;
  margin-top: clamp(18px, 3vw, 30px);
  border: 1px solid var(--line);
  background: rgba(6, 17, 13, 0.94);
  backdrop-filter: blur(8px);
  padding: 10px 12px;
}

.page-disclaimer .disc-toc__list {
  display: flex;
  gap: 8px 18px;
  margin: 0;
  padding: 0 2px 2px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-disclaimer .disc-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 6px 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--dim);
  border-bottom: 1px solid transparent;
}

.page-disclaimer .disc-toc__link:hover,
.page-disclaimer .disc-toc__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-disclaimer .disc-toc__no {
  color: var(--amber);
  font-size: 11px;
}

/* ---- 条目清单 ---- */
.page-disclaimer .disc-clauses {
  margin-top: clamp(20px, 3vw, 32px);
}

.page-disclaimer .clause {
  position: relative;
  margin-bottom: 12px;
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-disclaimer .clause:hover {
  border-color: #2f5b50;
}

.page-disclaimer .clause[open] {
  border-color: #2f5b50;
  background: linear-gradient(180deg, rgba(15, 58, 49, 0.35), rgba(16, 22, 20, 1) 42%);
}

.page-disclaimer .clause__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-disclaimer .clause__head:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-disclaimer .clause__no {
  flex: none;
  display: grid;
  place-items: center;
  width: var(--disc-no-size);
  height: var(--disc-no-size);
  border: 1px solid var(--line);
  background: rgba(15, 58, 49, 0.5);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-disclaimer .clause__title {
  flex: 1 1 auto;
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(16px, 2.4vw, 22px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-disclaimer .clause__toggle {
  flex: none;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 1px solid var(--line);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
}

.page-disclaimer .clause__toggle::before {
  content: "+";
}

.page-disclaimer .clause[open] .clause__toggle::before {
  content: "–";
}

.page-disclaimer .clause__body {
  padding: 2px 16px 20px;
  margin: 0;
  border-top: 1px dashed var(--line);
  color: var(--text);
  font-size: 16.5px;
  line-height: 1.7;
}

.page-disclaimer .clause__body > p {
  max-width: var(--reading);
  margin-top: 16px;
  color: var(--dim);
}

.page-disclaimer .clause__foot {
  font-size: 14.5px;
  color: var(--dim);
}

.page-disclaimer .disc-list {
  max-width: var(--reading);
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-list li {
  position: relative;
  padding: 12px 0 12px 24px;
  border-top: 1px solid rgba(36, 65, 58, 0.7);
  color: var(--dim);
  font-size: 15.5px;
  line-height: 1.75;
}

.page-disclaimer .disc-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  top: 12px;
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-disclaimer .disc-list b {
  color: var(--text);
}

.page-disclaimer .disc-list b.data-num {
  color: var(--cyan);
}

/* ---- 联系通道 ---- */
.page-disclaimer .disc-contact {
  margin-top: clamp(32px, 5vw, 64px);
  padding-top: clamp(24px, 4vw, 44px);
  border-top: 1px solid var(--line);
}

.page-disclaimer .disc-contact__title {
  margin: 8px 0 0;
  max-width: 28ch;
  font-size: clamp(22px, 3.6vw, 36px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-disclaimer .disc-contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(18px, 3vw, 30px);
}

.page-disclaimer .disc-card {
  display: block;
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

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

.page-disclaimer .disc-card--static:hover {
  border-color: var(--line);
  transform: none;
}

.page-disclaimer .disc-card__title {
  margin: 12px 0 8px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-disclaimer .disc-card__text {
  margin: 0;
  color: var(--dim);
  font-size: 15px;
  line-height: 1.75;
}

.page-disclaimer .disc-card__text a {
  font-family: var(--font-mono);
  font-size: 14px;
}

.page-disclaimer .disc-card__note {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  color: var(--dim);
  font-size: 13px;
  line-height: 1.7;
}

.page-disclaimer .disc-footnote {
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 13px;
  letter-spacing: 0.02em;
}

/* ---- 返回顶部 ---- */
.page-disclaimer .disc-top {
  position: fixed;
  right: clamp(12px, 3vw, 26px);
  bottom: 20px;
  z-index: 40;
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: rgba(16, 22, 20, 0.92);
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.page-disclaimer .disc-top:hover,
.page-disclaimer .disc-top:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

@media (min-width: 720px) {
  .page-disclaimer .disc-clause,
  .page-disclaimer .disc-clauses {
    margin-top: 0;
  }

  .page-disclaimer .disc-contact__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-disclaimer .disc-contact__grid > :first-child {
    grid-column: 1 / -1;
  }

  .page-disclaimer .clause__head {
    padding: 18px 22px;
    gap: 18px;
  }

  .page-disclaimer .clause__body {
    padding: 4px 22px 26px;
  }
}

@media (min-width: 980px) {
  .page-disclaimer .disc-hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: end;
  }

  .page-disclaimer .disc-hero__text {
    padding-right: 12px;
  }

  .page-disclaimer .disc-contact__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .disc-contact__grid > :first-child {
    grid-column: auto;
  }

  .page-disclaimer .disc-clauses {
    padding-left: 72px;
    position: relative;
  }

  .page-disclaimer .disc-clauses::before {
    content: "";
    position: absolute;
    left: 26px;
    top: 6px;
    bottom: 6px;
    width: 2px;
    background: linear-gradient(180deg, var(--cyan), rgba(36, 65, 58, 0.2));
  }

  .page-disclaimer .clause__no {
    position: relative;
    z-index: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause,
  .page-disclaimer .disc-card,
  .page-disclaimer .disc-toc__link,
  .page-disclaimer .disc-top {
    transition: none;
  }

  .page-disclaimer .disc-card:hover,
  .page-disclaimer .disc-card:focus-visible {
    transform: none;
  }
}