.page-disclaimer {
  --dc-rule: rgba(36, 64, 107, 0.85);
  position: relative;
  isolation: isolate;
  padding-bottom: clamp(3rem, 7vw, 6.5rem);
  background: var(--navy);
  color: var(--paper);
}

.page-disclaimer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 640px;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, rgba(36, 64, 107, 0.42) 1px, transparent 1px),
    linear-gradient(180deg, rgba(36, 64, 107, 0.42) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.35) 55%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.35) 55%, transparent 100%);
}

.page-disclaimer .breadcrumb,
.page-disclaimer .usage-top,
.page-disclaimer .usage-index,
.page-disclaimer .usage-legend,
.page-disclaimer .rule-group {
  position: relative;
  z-index: 1;
}

/* 顶部：文字 + 对角切分图形条 */
.page-disclaimer .usage-top {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  padding: clamp(1rem, 2.4vw, 1.75rem) 0 clamp(1.5rem, 3vw, 2.5rem);
}

.page-disclaimer .usage-top__copy h1 {
  margin: 0.55rem 0 0;
  font-size: clamp(1.95rem, 5.4vw, 3.2rem);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-disclaimer .usage-top__copy .lead {
  margin-top: 1rem;
  max-width: 34em;
  color: var(--soft);
}

.page-disclaimer .usage-top__art {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--stand);
  box-shadow: 7px 7px 0 rgba(5, 15, 32, 0.55);
}

.page-disclaimer .usage-top__art img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 2;
  object-fit: cover;
}

.page-disclaimer .usage-top__wedge {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(102deg, rgba(18, 50, 92, 0.97) 0%, rgba(18, 50, 92, 0.97) 26%, rgba(10, 30, 60, 0) 26.4%),
    linear-gradient(102deg, rgba(10, 30, 60, 0) 0%, rgba(10, 30, 60, 0) 26.1%, var(--orange) 26.3%, var(--orange) 26.9%, rgba(10, 30, 60, 0) 27.1%);
}

.page-disclaimer .usage-top__art figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.7rem clamp(0.9rem, 2vw, 1.4rem);
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--soft);
  background: linear-gradient(180deg, rgba(5, 15, 32, 0) 0%, rgba(5, 15, 32, 0.9) 62%);
}

@media (min-width: 900px) {
  .page-disclaimer .usage-top {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: end;
  }
}

/* 分类索引条 */
.page-disclaimer .usage-index {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.9rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .usage-index a {
  display: inline-flex;
  align-items: center;
  padding: 0.42rem 0.85rem;
  font-size: 0.82rem;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-disclaimer .usage-index a:hover,
.page-disclaimer .usage-index a:focus-visible {
  color: var(--paper);
  border-color: var(--line);
  background: var(--stand);
}

/* 标签含义 */
.page-disclaimer .usage-legend {
  display: grid;
  gap: 0.9rem;
  margin: clamp(1.5rem, 3vw, 2.25rem) 0 0;
  padding: 0;
}

.page-disclaimer .usage-legend__item {
  display: block;
  padding-left: 0.85rem;
  border-left: 2px solid var(--line);
}

.page-disclaimer .usage-legend dt {
  margin: 0 0 0.4rem;
}

.page-disclaimer .usage-legend dd {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--mist);
}

@media (min-width: 760px) {
  .page-disclaimer .usage-legend {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.1rem;
  }
}

/* 条目分组 */
.page-disclaimer .rule-group {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  scroll-margin-top: calc(var(--header-h-condensed) + 1.5rem);
}

.page-disclaimer .rule-group__head {
  display: grid;
  gap: 0.45rem;
  padding-bottom: 0.95rem;
  border-bottom: 2px solid var(--line);
}

.page-disclaimer .rule-group__title {
  display: flex;
  align-items: baseline;
  margin: 0;
  font-size: clamp(1.35rem, 3vw, 1.95rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-disclaimer .rule-group__title::before {
  content: "";
  flex: none;
  width: 0.5rem;
  height: 0.5rem;
  margin-right: 0.65rem;
  background: var(--orange);
  transform: translateY(-0.12em) rotate(45deg);
}

.page-disclaimer .rule-group__note {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--mist);
  max-width: 40em;
}

/* 条目 */
.page-disclaimer .rule-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .rule {
  position: relative;
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.3rem 0.7rem;
  padding: 1.05rem 0;
  border-bottom: 1px dashed var(--dc-rule);
  transition: border-color var(--dur) var(--ease);
}

.page-disclaimer .rule:hover {
  border-bottom-color: var(--orange);
}

.page-disclaimer .rule-list > .rule:nth-child(5n) {
  border-bottom-style: solid;
  border-bottom-width: 2px;
  border-bottom-color: var(--line);
  padding-bottom: 1.35rem;
}

.page-disclaimer .rule__no {
  font-size: 0.78rem;
  line-height: 1.9;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-disclaimer .rule__text {
  margin: 0;
  max-width: 44em;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--soft);
}

.page-disclaimer .rule__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, 0.45);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-disclaimer .rule .tag {
  grid-column: 2;
  justify-self: start;
  margin-top: 0.4rem;
  white-space: nowrap;
}

.page-disclaimer .tag--fix {
  color: var(--cyan);
  border-color: rgba(34, 211, 238, 0.5);
  background: rgba(34, 211, 238, 0.08);
}

@media (min-width: 760px) {
  .page-disclaimer .rule {
    grid-template-columns: 3.2rem minmax(0, 1fr) auto;
    gap: 1.5rem;
    align-items: baseline;
    padding-left: 1.15rem;
  }

  .page-disclaimer .rule::before {
    content: "";
    position: absolute;
    left: 0;
    top: 1.35rem;
    bottom: 1.35rem;
    width: 2px;
    background: var(--line);
    transition: background var(--dur) var(--ease);
  }

  .page-disclaimer .rule:hover::before {
    background: var(--orange);
  }

  .page-disclaimer .rule .tag {
    grid-column: auto;
    justify-self: end;
    margin-top: 0;
  }
}

/* 引用格式示例 */
.page-disclaimer .quote-box {
  margin: 1.75rem 0 0;
  padding: clamp(1rem, 2vw, 1.5rem);
  background: var(--abyss);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius);
}

.page-disclaimer .quote-box__line {
  display: block;
  width: 100%;
  margin: 0.75rem 0 0;
  padding: 0.85rem 1rem;
  font-family: var(--font-mono);
  font-size: clamp(0.8rem, 1.8vw, 0.94rem);
  line-height: 1.6;
  text-align: left;
  color: var(--cyan);
  background: rgba(34, 211, 238, 0.07);
  border: 1px dashed rgba(34, 211, 238, 0.45);
  border-radius: 2px;
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-disclaimer .quote-box__line:hover,
.page-disclaimer .quote-box__line:focus-visible {
  background: rgba(34, 211, 238, 0.13);
  border-color: var(--cyan);
}

.page-disclaimer .quote-box__line[data-copied] {
  color: var(--green);
  border-color: rgba(0, 230, 118, 0.7);
  border-style: solid;
  background: rgba(0, 230, 118, 0.09);
}

.page-disclaimer .quote-box__hint {
  margin: 0.7rem 0 0;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--mist);
}
<<<END>>>