.page-disclaimer {
  --disc-measure: 42em;
  --disc-rule: 1px;
  display: block;
}

.page-disclaimer .breadcrumb {
  margin: 20px 0 4px;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disc-front {
  padding-top: 8px;
}

.page-disclaimer .disc-front__grid {
  display: grid;
  gap: 28px;
  align-items: start;
  margin-top: 12px;
}

.page-disclaimer .disc-front__title {
  font-size: clamp(34px, 5.4vw, 62px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  margin: 0 0 18px;
  max-width: 16em;
}

.page-disclaimer .disc-front__text {
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink-700);
  max-width: 34em;
  margin: 0 0 14px;
}

.page-disclaimer .disc-front__media {
  margin: 0;
}

.page-disclaimer .disc-front__media .media__frame {
  aspect-ratio: 2 / 1;
  overflow: hidden;
  border-radius: 2px;
  background: var(--paper-200);
}

.page-disclaimer .disc-front__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-disclaimer .disc-front__media .media__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite-600);
}

/* ---------- 说明版本带 ---------- */
.page-disclaimer .update-strip {
  margin-top: 40px;
  padding: 20px 0 22px;
  border-top: var(--disc-rule) solid var(--line-300);
  border-bottom: var(--disc-rule) solid var(--line-300);
}

.page-disclaimer .update-strip__title {
  margin: 0 0 16px;
  color: var(--graphite-600);
}

.page-disclaimer .update-strip__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .update-strip__item {
  border-left: 2px solid var(--line-300);
  padding: 2px 0 2px 12px;
  transition: border-color 0.2s var(--ease);
}

.page-disclaimer .update-strip__item:hover {
  border-left-color: var(--amber-500);
}

.page-disclaimer .update-strip__ver {
  display: block;
  font-size: 16px;
  color: var(--ink-900);
  transition: color 0.2s var(--ease);
}

.page-disclaimer .update-strip__item:hover .update-strip__ver {
  color: var(--amber-700);
}

.page-disclaimer .update-strip__stage {
  display: block;
  margin-top: 4px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--graphite-600);
}

.page-disclaimer .update-strip__note {
  display: block;
  margin-top: 8px;
  max-width: 22em;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite-600);
}

.page-disclaimer .update-strip__item.is-current {
  border-left-color: var(--amber-500);
}

.page-disclaimer .update-strip__item.is-current .update-strip__stage {
  color: var(--amber-700);
}

/* ---------- 编号条目 ---------- */
.page-disclaimer .disc-ledger {
  margin-top: 56px;
}

.page-disclaimer .ledger {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .ledger__item {
  display: grid;
  gap: 12px;
  padding: 30px 0;
  border-top: var(--disc-rule) solid var(--line-300);
  scroll-margin-top: 96px;
}

.page-disclaimer .ledger__item:last-child {
  border-bottom: var(--disc-rule) solid var(--line-300);
}

.page-disclaimer .ledger__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(38px, 5.2vw, 64px);
  font-weight: 500;
  line-height: 0.88;
  letter-spacing: -0.02em;
  color: var(--line-300);
  text-decoration: none;
  font-variant-numeric: tabular-nums;
  transition: color 0.2s var(--ease);
}

.page-disclaimer .ledger__item:hover .ledger__num,
.page-disclaimer .ledger__num:focus-visible {
  color: var(--amber-500);
}

.page-disclaimer .ledger__body {
  max-width: var(--disc-measure);
}

.page-disclaimer .ledger__title {
  margin: 0 0 12px;
  font-size: clamp(21px, 2.3vw, 28px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-disclaimer .ledger__body > p {
  margin: 0 0 16px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--ink-700);
}

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

.page-disclaimer .ledger__list > li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-700);
  overflow-wrap: anywhere;
}

.page-disclaimer .ledger__list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 8px;
  height: 1px;
  background: var(--amber-500);
}

.page-disclaimer .disc-num {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--amber-700);
  font-variant-numeric: tabular-nums;
}

/* ---------- 引用对照 ---------- */
.page-disclaimer .cite-grid {
  display: grid;
  gap: 14px;
  margin: 20px 0 18px;
}

.page-disclaimer .cite-card {
  padding: 20px 22px 22px;
  border: var(--disc-rule) solid var(--line-300);
  border-radius: 2px;
  background: var(--paper-200);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-disclaimer .cite-card:hover {
  border-color: var(--amber-500);
  box-shadow: var(--shadow-lift);
  transform: translateY(-2px);
}

.page-disclaimer .cite-card__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.page-disclaimer .cite-card__icon {
  flex: none;
  width: 26px;
  height: 26px;
}

.page-disclaimer .cite-card--good .cite-card__icon {
  color: var(--spring-500);
}

.page-disclaimer .cite-card--bad .cite-card__icon {
  color: var(--summer-500);
}

.page-disclaimer .cite-card__title {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink-900);
}

.page-disclaimer .cite-card ul {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .cite-card li {
  position: relative;
  padding-left: 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-700);
}

.page-disclaimer .cite-card--good li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--spring-500);
}

.page-disclaimer .cite-card--bad li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--summer-500);
}

/* ---------- 相关入口 ---------- */
.page-disclaimer .disc-related {
  margin-top: 64px;
  padding-bottom: 24px;
}

.page-disclaimer .disc-related__heading {
  margin: 0;
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-disclaimer .disc-related__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 22px;
}

.page-disclaimer .disc-related__card {
  display: block;
  padding: 18px 18px 20px;
  border: var(--disc-rule) solid var(--line-300);
  border-top-width: 3px;
  border-radius: 2px;
  background: var(--warm-white);
  text-decoration: none;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-disclaimer .disc-related__card:hover,
.page-disclaimer .disc-related__card:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
  border-color: var(--amber-500);
}

.page-disclaimer .disc-related__card--amber { border-top-color: var(--amber-500); }
.page-disclaimer .disc-related__card--spring { border-top-color: var(--spring-500); }
.page-disclaimer .disc-related__card--winter { border-top-color: var(--winter-500); }
.page-disclaimer .disc-related__card--summer { border-top-color: var(--summer-500); }
.page-disclaimer .disc-related__card--autumn { border-top-color: var(--autumn-500); }

.page-disclaimer .disc-related__label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--graphite-600);
}

.page-disclaimer .disc-related__name {
  display: block;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink-900);
}

.page-disclaimer .disc-related__desc {
  display: block;
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--graphite-600);
}

/* ---------- 窄屏兜底 ---------- */
@media (max-width: 420px) {
  .page-disclaimer .update-strip__list {
    grid-template-columns: 1fr;
  }

  .page-disclaimer .ledger__num {
    font-size: 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .ledger__num,
  .page-disclaimer .cite-card,
  .page-disclaimer .disc-related__card,
  .page-disclaimer .update-strip__item {
    transition: none;
  }

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

/* ---------- 桌面栅格 ---------- */
@media (min-width: 760px) {
  .page-disclaimer .update-strip__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px 24px;
  }

  .page-disclaimer .cite-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 16px;
  }

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

@media (min-width: 900px) {
  .page-disclaimer .ledger__item {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 40px;
    padding: 40px 0;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .disc-front__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
  }

  .page-disclaimer .disc-front__media {
    margin-top: 34px;
  }
}

@media (min-width: 1180px) {
  .page-disclaimer .disc-related__grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}