.page-disclaimer {
  --usage-line: rgba(15, 43, 36, .12);
  --usage-target: rgba(184, 132, 23, .12);
  padding-bottom: 72px;
}

.page-disclaimer .usage-hero {
  padding-top: 16px;
}

.page-disclaimer .usage-hero__intro {
  margin-top: 22px;
  max-width: 68ch;
}

.page-disclaimer .usage-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 7vw, 52px);
  font-weight: 400;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-disclaimer .usage-hero__lede {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist-600);
  max-width: 62ch;
}

.page-disclaimer .usage-hero__figure {
  margin: 28px 0 0;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: var(--stroke-soft);
  background-color: var(--sand-200);
  background-image:
    repeating-linear-gradient(135deg, rgba(15, 43, 36, .05) 0 2px, rgba(15, 43, 36, 0) 2px 9px);
}

.page-disclaimer .usage-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* 摘要带 */
.page-disclaimer .usage-summary {
  margin-top: 44px;
  padding: 38px 0 42px;
  background-color: var(--ink-900);
  background-image:
    radial-gradient(120% 150% at 88% -10%, rgba(46, 107, 85, .62) 0%, rgba(15, 43, 36, 0) 62%),
    radial-gradient(90% 120% at 4% 110%, rgba(194, 90, 43, .26) 0%, rgba(15, 43, 36, 0) 58%);
  color: var(--sand-50);
}

.page-disclaimer .usage-summary__title {
  margin: 0 0 22px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--clay-200);
}

.page-disclaimer .usage-summary__grid {
  display: grid;
  gap: 14px;
}

.page-disclaimer .usage-rule {
  display: grid;
  gap: 8px;
  padding: 18px 20px 20px;
  border: 1px solid rgba(247, 243, 234, .18);
  border-radius: 18px;
  background-color: rgba(247, 243, 234, .04);
  color: inherit;
  text-decoration: none;
  transition:
    border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.page-disclaimer .usage-rule:hover,
.page-disclaimer .usage-rule:focus-visible {
  border-color: var(--clay-200);
  background-color: rgba(247, 243, 234, .09);
  transform: translateY(-2px);
}

.page-disclaimer .usage-rule__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--cyan-100);
}

.page-disclaimer .usage-rule__text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--sand-50);
}

.page-disclaimer .usage-rule__go {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--clay-200);
  border-bottom: 0;
}

/* 条目流 */
.page-disclaimer .usage-body {
  padding-top: 4px;
}

.page-disclaimer .usage-list {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
}

.page-disclaimer .usage-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 28px 4px 28px 18px;
  border-top: 1px solid var(--usage-line);
  border-left: 3px solid var(--sand-200);
  transition:
    border-left-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-disclaimer .usage-item:last-child {
  border-bottom: 1px solid var(--usage-line);
}

.page-disclaimer .usage-item:hover {
  border-left-color: var(--clay-500);
}

.page-disclaimer .usage-item--key {
  border-left-color: var(--clay-500);
  background-image: linear-gradient(90deg, rgba(194, 90, 43, .07), rgba(194, 90, 43, 0) 46%);
}

.page-disclaimer .usage-item:target {
  background-color: var(--usage-target);
  border-left-color: var(--clay-500);
}

.page-disclaimer .usage-item__num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .16em;
  color: var(--cyan-500);
  font-variant-numeric: tabular-nums;
}

.page-disclaimer .usage-item__main {
  min-width: 0;
}

.page-disclaimer .usage-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-disclaimer .usage-item__main p {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-black);
  max-width: 66ch;
}

.page-disclaimer .usage-inline-link {
  color: var(--ink-500);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .usage-inline-link:hover,
.page-disclaimer .usage-inline-link:focus-visible {
  color: var(--clay-700);
}

/* 两种情形的对照面板 */
.page-disclaimer .usage-panels {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.page-disclaimer .usage-panel {
  padding: 16px 18px 18px;
  border-radius: 16px;
  background-color: var(--sand-200);
}

.page-disclaimer .usage-panel--clay {
  background-color: rgba(194, 90, 43, .08);
  border: 1px solid rgba(194, 90, 43, .22);
}

.page-disclaimer .usage-panel__title {
  margin: 0 0 10px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--ink-700);
}

.page-disclaimer .usage-panel--clay .usage-panel__title {
  color: var(--clay-700);
}

.page-disclaimer .usage-panel ul {
  margin: 0;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-black);
}

.page-disclaimer .usage-panel li + li {
  margin-top: 7px;
}

/* 引用标注格式 */
.page-disclaimer .usage-cite {
  margin: 16px 0 0;
  padding: 14px 18px;
  border-radius: 14px;
  border: 1px dashed rgba(15, 43, 36, .22);
  background-color: var(--paper);
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-700);
  word-break: break-word;
}

/* 结尾 */
.page-disclaimer .usage-cta {
  margin-top: 44px;
  padding: 28px 24px 30px;
  display: grid;
  gap: 20px;
  border-radius: var(--radius-card);
  background-color: var(--ink-700);
  background-image: radial-gradient(120% 160% at 100% 0%, rgba(44, 123, 138, .34) 0%, rgba(28, 68, 56, 0) 60%);
  color: var(--sand-50);
}

.page-disclaimer .usage-cta__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--sand-50);
}

.page-disclaimer .usage-cta__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 243, 234, .8);
  max-width: 56ch;
}

.page-disclaimer .usage-cta__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.page-disclaimer .usage-cta__link {
  font-size: 14px;
  color: var(--clay-200);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .usage-cta__link:hover,
.page-disclaimer .usage-cta__link:focus-visible {
  color: var(--sand-50);
}

@media (min-width: 700px) {
  .page-disclaimer .usage-panels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 780px) {
  .page-disclaimer .usage-summary {
    margin-top: 56px;
    padding: 46px 0 50px;
  }

  .page-disclaimer .usage-summary__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-disclaimer .usage-rule {
    padding: 20px 22px 22px;
  }

  .page-disclaimer .usage-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
    padding: 36px 38px;
  }
}

@media (min-width: 880px) {
  .page-disclaimer .usage-hero {
    padding-top: 22px;
  }

  .page-disclaimer .usage-list {
    margin-top: 44px;
  }

  .page-disclaimer .usage-item {
    grid-template-columns: 84px minmax(0, 1fr);
    column-gap: 32px;
    row-gap: 0;
    align-items: start;
    padding: 34px 8px 34px 26px;
  }

  .page-disclaimer .usage-item__num {
    padding-top: 7px;
  }

  .page-disclaimer .usage-item__title {
    font-size: 23px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .usage-rule,
  .page-disclaimer .usage-item,
  .page-disclaimer .usage-inline-link,
  .page-disclaimer .usage-cta__link {
    transition: none;
  }

  .page-disclaimer .usage-rule:hover,
  .page-disclaimer .usage-rule:focus-visible {
    transform: none;
  }
}
<<<END>>>