.page-disclaimer .disc-hero {
  display: grid;
  gap: 32px;
  align-items: end;
}

.page-disclaimer .disc-hero__text .display-1 {
  margin: 12px 0 0;
}

.page-disclaimer .disc-hero__text .lede {
  margin: 18px 0 0;
  max-width: 58ch;
}

.page-disclaimer .disc-hero__tags {
  margin: 24px 0 0;
}

.page-disclaimer .disc-hero__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--charcoal);
  box-shadow: var(--stack-offset) var(--stack-offset) 0 0 var(--line);
}

.page-disclaimer .disc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 1;
  object-fit: cover;
  opacity: 0.9;
}

@media (min-width: 920px) {
  .page-disclaimer .disc-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 56px;
  }
}

/* 版本速览 */
.page-disclaimer .disc-briefs {
  display: grid;
  gap: 22px;
  margin-top: 28px;
}

@media (min-width: 780px) {
  .page-disclaimer .disc-briefs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }
}

.page-disclaimer .disc-brief {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--charcoal) 0%, var(--ink-deep) 100%);
  padding: 24px 22px 26px;
  box-shadow: var(--stack-offset) var(--stack-offset) 0 0 var(--line);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-disclaimer .disc-brief:hover {
  transform: translateY(-4px);
}

.page-disclaimer .disc-brief--v3 {
  border-color: rgba(201, 162, 77, 0.5);
}

.page-disclaimer .disc-brief__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-disclaimer .disc-brief__ver {
  font-family: var(--mono);
  font-size: 32px;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-disclaimer .disc-brief--v2 .disc-brief__ver {
  color: var(--muted);
}

.page-disclaimer .disc-brief__state {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 4px 9px;
}

.page-disclaimer .disc-brief--v3 .disc-brief__state {
  color: var(--ink);
  background: var(--gold);
  border-color: var(--gold);
  font-weight: 700;
}

.page-disclaimer .disc-brief__text {
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--body-text);
}

.page-disclaimer .disc-brief__facts {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 16px;
  margin: 20px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.page-disclaimer .disc-brief__facts dt {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
  white-space: nowrap;
}

.page-disclaimer .disc-brief__facts dd {
  margin: 0;
  color: var(--body-text);
  line-height: 1.7;
}

/* 主区域：索引 + 条款 */
.page-disclaimer .disc-layout {
  display: grid;
  gap: 36px;
}

@media (min-width: 980px) {
  .page-disclaimer .disc-layout {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 60px;
    align-items: start;
  }

  .page-disclaimer .disc-rail {
    position: sticky;
    top: 86px;
  }
}

.page-disclaimer .disc-rail__label {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--gold);
}

.page-disclaimer .disc-rail__note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-disclaimer .disc-body {
  display: flex;
  flex-direction: column;
}

.page-disclaimer .rule-block {
  scroll-margin-top: 96px;
}

.page-disclaimer .rule-block__head {
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.page-disclaimer .rule-block__num {
  flex: none;
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(38px, 6.4vw, 68px);
  line-height: 0.84;
  letter-spacing: -0.02em;
  color: var(--gold);
}

@supports (-webkit-text-stroke: 1px #000) {
  .page-disclaimer .rule-block__num {
    color: transparent;
    -webkit-text-stroke: 1.5px var(--gold);
  }
}

.page-disclaimer .rule-block__title {
  margin: 0;
  font-family: var(--narrow);
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-disclaimer .rule-block__lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--body-text);
}

.page-disclaimer .rule-list {
  margin: 24px 0 0;
}

.page-disclaimer .rule-list dt {
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-disclaimer .rule-list dd {
  margin: 8px 0 0;
  padding-bottom: 16px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--body-text);
}

@media (min-width: 760px) {
  .page-disclaimer .rule-list {
    display: grid;
    grid-template-columns: minmax(120px, 168px) minmax(0, 1fr);
    column-gap: 32px;
  }

  .page-disclaimer .rule-list dt {
    grid-column: 1;
    padding: 20px 0;
  }

  .page-disclaimer .rule-list dd {
    grid-column: 2;
    margin: 0;
    padding: 20px 0;
    border-top: 1px solid var(--line);
  }
}

.page-disclaimer .rule-divider {
  height: 1px;
  margin-top: 46px;
  background: linear-gradient(90deg, var(--gold) 0%, rgba(201, 162, 77, 0.32) 32%, rgba(201, 162, 77, 0) 100%);
}

.page-disclaimer .rule-divider + .rule-block {
  margin-top: 46px;
}

/* 后续路径 */
.page-disclaimer .disc-next {
  display: grid;
  gap: 1px;
  margin-top: 32px;
  border: 1px solid var(--line);
  background: var(--line);
}

@media (min-width: 860px) {
  .page-disclaimer .disc-next {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-disclaimer .disc-next__item {
  display: block;
  padding: 26px 22px 30px;
  background: var(--ink);
  text-decoration: none;
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-disclaimer .disc-next__item:hover {
  background: var(--charcoal);
  transform: translateY(-4px);
}

.page-disclaimer .disc-next__idx {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--gold);
}

.page-disclaimer .disc-next__title {
  display: block;
  margin-top: 14px;
  font-family: var(--narrow);
  font-size: 20px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-disclaimer .disc-next__note {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-brief,
  .page-disclaimer .disc-next__item {
    transition: none;
  }

  .page-disclaimer .disc-brief:hover,
  .page-disclaimer .disc-next__item:hover {
    transform: none;
  }
}