.page-disclaimer {
  --u-radius: 2px;
  --u-line-soft: rgba(11, 42, 36, 0.16);
  background:
    radial-gradient(1100px 420px at 88% -8%, rgba(82, 255, 225, 0.09), rgba(6, 23, 19, 0) 62%),
    var(--c-ink);
  color: var(--c-fog);
  font-family: var(--font-body);
  padding-bottom: clamp(46px, 8vw, 104px);
  overflow-x: hidden;
}

.page-disclaimer .usage-crumb {
  padding-top: clamp(18px, 3vw, 30px);
}

.page-disclaimer .breadcrumb__link {
  color: var(--c-silver);
  text-decoration: none;
  transition: color var(--ease);
}

.page-disclaimer .breadcrumb__link:hover,
.page-disclaimer .breadcrumb__link:focus-visible {
  color: var(--c-cyan);
}

.page-disclaimer .breadcrumb__sep {
  color: var(--c-line);
}

.page-disclaimer .breadcrumb__current {
  color: var(--c-fog);
}

/* 版本标识带 */
.page-disclaimer .usage-band {
  position: relative;
  margin-top: clamp(16px, 3vw, 28px);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  background:
    linear-gradient(90deg, rgba(82, 255, 225, 0.12), rgba(6, 23, 19, 0) 48%),
    var(--c-ink-2);
}

.page-disclaimer .usage-band::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--c-orange);
}

.page-disclaimer .usage-band__inner {
  padding: clamp(16px, 2.6vw, 24px) 0;
}

.page-disclaimer .usage-band__eyebrow {
  margin: 0;
  color: var(--c-cyan);
}

.page-disclaimer .usage-band__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin: 14px 0 0;
  padding: 0;
}

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

.page-disclaimer .usage-band__item dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-silver);
}

.page-disclaimer .usage-band__item dd {
  margin: 5px 0 0;
  font-size: 15px;
  color: var(--c-cyan);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 布局 */
.page-disclaimer .usage-layout {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding-top: clamp(28px, 5vw, 56px);
}

.page-disclaimer .usage-intro h1 {
  font-family: var(--font-title);
  font-size: clamp(1.85rem, 6.6vw, 3.3rem);
  line-height: 1.14;
  letter-spacing: 0.05em;
  font-weight: 800;
  margin: 0 0 0.6em;
  border-left: 4px solid var(--c-cyan);
  padding-left: clamp(12px, 2vw, 20px);
}

.page-disclaimer .usage-intro .lead {
  margin: 0;
  max-width: 42em;
  color: var(--c-silver);
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.85;
}

/* 目录与图 */
.page-disclaimer .usage-aside__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--c-cyan);
}

.page-disclaimer .usage-toc {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--c-line);
}

.page-disclaimer .usage-toc li {
  border-bottom: 1px solid var(--c-line);
}

.page-disclaimer .usage-toc a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 12px 2px;
  font-size: 15px;
  color: var(--c-fog);
  text-decoration: none;
  transition: color var(--ease), padding-left var(--ease);
}

.page-disclaimer .usage-toc a:hover,
.page-disclaimer .usage-toc a:focus-visible {
  color: var(--c-cyan);
  padding-left: 8px;
}

.page-disclaimer .usage-toc__no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-orange);
  letter-spacing: 0.06em;
}

.page-disclaimer .usage-figure {
  margin: 22px 0 0;
}

.page-disclaimer .usage-figure__frame {
  border: 1px solid var(--c-line);
  overflow: hidden;
  background: var(--c-indigo);
}

.page-disclaimer .usage-figure__frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-disclaimer .usage-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-silver);
}

.page-disclaimer .usage-top {
  display: inline-block;
  margin-top: 18px;
  padding: 8px 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--u-radius);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-silver);
  text-decoration: none;
  transition: color var(--ease), border-color var(--ease);
}

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

/* 阅读面板 */
.page-disclaimer .usage-sheet {
  counter-reset: sec;
  background: var(--c-paper);
  color: var(--c-ink-2);
  border-radius: var(--u-radius);
  padding: clamp(20px, 4vw, 46px);
  box-shadow: 0 22px 54px rgba(0, 0, 0, 0.38);
  min-width: 0;
}

.page-disclaimer .usage-clause {
  counter-increment: sec;
  counter-reset: item;
  padding-top: clamp(22px, 3vw, 32px);
  margin-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--u-line-soft);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-disclaimer .usage-clause:first-child {
  border-top: 0;
  margin-top: 0;
  padding-top: 0;
}

.page-disclaimer .usage-clause__head {
  display: flex;
  gap: 12px;
  align-items: baseline;
}

.page-disclaimer .usage-clause__no::before {
  content: counter(sec, decimal-leading-zero);
}

.page-disclaimer .usage-clause__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-wine);
  padding: 2px 7px;
  border: 1px solid rgba(92, 31, 51, 0.35);
  border-radius: var(--u-radius);
}

.page-disclaimer .usage-clause h2 {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(1.15rem, 3.2vw, 1.6rem);
  letter-spacing: 0.04em;
  font-weight: 800;
  line-height: 1.35;
  color: var(--c-ink-2);
}

.page-disclaimer .usage-clause__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-disclaimer .usage-clause__list li {
  position: relative;
  padding-left: 42px;
  margin-top: 12px;
  font-size: clamp(15px, 1.7vw, 16.5px);
  line-height: 1.85;
  counter-increment: item;
}

.page-disclaimer .usage-clause__list li::before {
  content: counter(sec) "." counter(item);
  position: absolute;
  left: 0;
  top: 0.36em;
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(11, 42, 36, 0.55);
}

.page-disclaimer .usage-sheet a {
  color: #0B5F4F;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color var(--ease);
}

.page-disclaimer .usage-sheet a:hover,
.page-disclaimer .usage-sheet a:focus-visible {
  color: #B34A17;
}

.page-disclaimer .usage-sheet .mono {
  font-family: var(--font-mono);
  font-size: 0.94em;
  padding: 1px 5px;
  background: rgba(11, 42, 36, 0.08);
  border-radius: var(--u-radius);
  white-space: nowrap;
}

/* 联系方式 */
.page-disclaimer .usage-contact {
  margin-top: 20px;
  border: 1px solid var(--u-line-soft);
  border-left: 3px solid var(--c-orange);
  border-radius: var(--u-radius);
  background: rgba(11, 42, 36, 0.04);
}

.page-disclaimer .usage-contact__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  padding: 11px 14px;
  border-top: 1px solid var(--u-line-soft);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-disclaimer .usage-contact__row:first-child {
  border-top: 0;
}

.page-disclaimer .usage-contact__key {
  flex: none;
  min-width: 76px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(11, 42, 36, 0.6);
  padding-top: 2px;
}

.page-disclaimer .usage-contact__val {
  min-width: 0;
  word-break: break-word;
  color: var(--c-ink-2);
  font-weight: 600;
}

.page-disclaimer .usage-contact__val.mono {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
}

/* 相关内容 */
.page-disclaimer .usage-related {
  margin-top: clamp(26px, 4vw, 40px);
  padding-top: 20px;
  border-top: 1px solid var(--u-line-soft);
}

.page-disclaimer .usage-related__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: rgba(11, 42, 36, 0.6);
}

.page-disclaimer .usage-related__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.page-disclaimer .usage-related__list a {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid rgba(11, 42, 36, 0.28);
  border-radius: var(--u-radius);
  font-size: 14px;
  color: var(--c-ink-2);
  text-decoration: none;
  transition: border-color var(--ease), color var(--ease), background var(--ease);
}

.page-disclaimer .usage-related__list a:hover,
.page-disclaimer .usage-related__list a:focus-visible {
  border-color: var(--c-orange);
  color: #B34A17;
  background: rgba(255, 122, 61, 0.08);
}

@media (min-width: 720px) {
  .page-disclaimer .usage-band__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-disclaimer .usage-aside {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 0 24px;
    align-items: start;
  }

  .page-disclaimer .usage-aside__label,
  .page-disclaimer .usage-toc {
    grid-column: 1;
  }

  .page-disclaimer .usage-figure {
    grid-column: 2;
    grid-row: 1 / span 2;
    margin-top: 0;
  }

  .page-disclaimer .usage-top {
    grid-column: 1;
    align-self: start;
    margin-top: 16px;
  }
}

@media (min-width: 940px) {
  .page-disclaimer .usage-layout {
    grid-template-columns: minmax(232px, 296px) minmax(0, 1fr);
    column-gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }

  .page-disclaimer .usage-intro {
    grid-column: 1 / -1;
    padding-bottom: 8px;
  }

  .page-disclaimer .usage-aside {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }

  .page-disclaimer .usage-figure {
    margin-top: 24px;
  }

  .page-disclaimer .usage-clause__list li {
    padding-left: 48px;
  }
}

@media print {
  .page-disclaimer {
    background: #fff;
    color: #000;
    padding: 0;
  }

  .page-disclaimer .usage-aside,
  .page-disclaimer .usage-band::after {
    display: none;
  }

  .page-disclaimer .usage-band {
    background: #fff;
    border-color: #999;
  }

  .page-disclaimer .usage-band__item dt,
  .page-disclaimer .usage-band__item dd,
  .page-disclaimer .usage-intro .lead {
    color: #333;
  }

  .page-disclaimer .usage-sheet {
    box-shadow: none;
    background: #fff;
    padding: 0;
  }

  .page-disclaimer .usage-clause {
    break-inside: avoid;
  }

  .page-disclaimer .usage-sheet a {
    color: #000;
    text-decoration: none;
  }
}
<<<END>>>