.page-disclaimer {
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .usage-hero {
  background: var(--ink-deep);
  border-bottom: 1px solid var(--rule-strong);
  padding: 28px 0 0;
}

.page-disclaimer .crumbs {
  margin-bottom: 20px;
}

.page-disclaimer .usage-roundbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding: 10px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  color: var(--slate);
}

.page-disclaimer .usage-roundbar__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--blue);
}

.page-disclaimer .usage-roundbar__dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
}

.page-disclaimer .usage-roundbar__text {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--slate);
}

.page-disclaimer .usage-kicker {
  margin: 34px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-disclaimer .usage-title {
  max-width: 16ch;
  margin: 18px 0 0;
  font-size: clamp(2rem, 7vw, 3.6rem);
  font-weight: 300;
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-disclaimer .usage-lede {
  max-width: 36em;
  margin: 22px 0 0;
  font-size: 1.0625rem;
  line-height: 1.9;
  color: var(--mist);
}

/* ---------- 顶图 ---------- */
.page-disclaimer .usage-plate {
  position: relative;
  margin: 40px 0 0;
  overflow: hidden;
  border: 1px solid var(--rule-strong);
  border-bottom: none;
  background: var(--charcoal);
}

.page-disclaimer .usage-plate img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  filter: saturate(.55) contrast(1.04);
  opacity: .82;
}

.page-disclaimer .usage-plate::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(201, 210, 206, .10) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(201, 210, 206, .10) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.page-disclaimer .usage-plate__caption {
  position: absolute;
  left: 16px;
  bottom: 14px;
  max-width: 60%;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  line-height: 1.6;
  color: var(--mist);
}

.page-disclaimer .usage-stamp {
  position: absolute;
  right: 18px;
  bottom: 18px;
  display: grid;
  place-content: center;
  gap: 3px;
  width: 84px;
  height: 84px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  background: rgba(14, 42, 36, .6);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  text-align: center;
  line-height: 1.2;
}

/* ---------- 主体骨架 ---------- */
.page-disclaimer .usage-body {
  display: grid;
  gap: 36px;
  padding: 44px 0 72px;
}

.page-disclaimer .usage-toc {
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule);
  padding: 20px 0 22px;
}

.page-disclaimer .usage-toc__label {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-disclaimer .usage-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-disclaimer .usage-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: .9375rem;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  transition: color .2s var(--ease);
}

.page-disclaimer .usage-toc__list a:hover,
.page-disclaimer .usage-toc__list a:focus-visible {
  color: var(--paper);
}

.page-disclaimer .usage-toc__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-disclaimer .usage-toc__back {
  display: inline-block;
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(74, 125, 255, .4);
  padding-bottom: 3px;
}

.page-disclaimer .usage-toc__back:hover,
.page-disclaimer .usage-toc__back:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 条款 ---------- */
.page-disclaimer .usage-articles {
  min-width: 0;
  max-width: 44rem;
}

.page-disclaimer .usage-clause {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  padding: 30px 0;
  border-top: 1px solid var(--rule);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-disclaimer .usage-clause:first-child {
  border-top: none;
  padding-top: 0;
}

.page-disclaimer .usage-clause__num {
  order: -1;
  font-family: var(--font-mono);
  font-size: 1.75rem;
  line-height: 1;
  letter-spacing: .04em;
  color: rgba(214, 168, 75, .62);
}

.page-disclaimer .usage-clause__title {
  margin: 0 0 14px;
  font-size: clamp(1.1875rem, 2.4vw, 1.4375rem);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-disclaimer .usage-clause__body p {
  margin: 0 0 14px;
  max-width: 34em;
  font-size: 1rem;
  line-height: 1.95;
  color: rgba(243, 239, 230, .86);
  overflow-wrap: anywhere;
}

.page-disclaimer .usage-clause__body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .usage-clause__body a {
  color: var(--paper);
  text-decoration: underline;
  text-decoration-color: var(--blue);
  text-underline-offset: 3px;
  transition: color .2s var(--ease);
}

.page-disclaimer .usage-clause__body a:hover,
.page-disclaimer .usage-clause__body a:focus-visible {
  color: var(--blue);
}

/* ---------- 快捷入口 ---------- */
.page-disclaimer .usage-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 20px;
  margin-top: 44px;
  padding: 22px 0 0;
  border-top: 1px solid var(--rule-strong);
}

.page-disclaimer .usage-links__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-disclaimer .usage-links a {
  font-size: .9375rem;
  color: var(--mist);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-disclaimer .usage-links a:hover,
.page-disclaimer .usage-links a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--gold);
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .usage-hero {
    padding-top: 34px;
  }

  .page-disclaimer .usage-body {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 72px;
    padding: 60px 0 96px;
  }

  .page-disclaimer .usage-toc {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
  }

  .page-disclaimer .usage-clause {
    grid-template-columns: minmax(0, 1fr) 96px;
    gap: 44px;
    padding: 44px 0;
    align-items: start;
  }

  .page-disclaimer .usage-clause__num {
    order: 0;
    justify-self: end;
    font-size: 2.25rem;
    color: rgba(214, 168, 75, .8);
  }

  .page-disclaimer .usage-plate {
    margin-top: 52px;
  }

  .page-disclaimer .usage-stamp {
    right: 32px;
    bottom: 28px;
    width: 104px;
    height: 104px;
    font-size: 11px;
  }

  .page-disclaimer .usage-plate__caption {
    left: 28px;
    bottom: 22px;
  }
}

@media (min-width: 1200px) {
  .page-disclaimer .usage-body {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 96px;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .page-disclaimer {
    background: #fff;
    color: #111;
  }

  .page-disclaimer .usage-hero {
    background: #fff;
    border-bottom: 1px solid #999;
  }

  .page-disclaimer .usage-title,
  .page-disclaimer .usage-clause__title {
    color: #111;
  }

  .page-disclaimer .usage-lede,
  .page-disclaimer .usage-clause__body p,
  .page-disclaimer .usage-roundbar__text {
    color: #222;
  }

  .page-disclaimer .usage-toc,
  .page-disclaimer .usage-stamp,
  .page-disclaimer .usage-links {
    display: none;
  }

  .page-disclaimer .usage-body {
    display: block;
    padding: 16px 0;
  }

  .page-disclaimer .usage-clause {
    display: block;
    page-break-inside: avoid;
    padding: 16px 0;
    border-top: 1px solid #bbb;
  }

  .page-disclaimer .usage-clause__num {
    display: block;
    margin-bottom: 6px;
    color: #555;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .usage-toc__list a,
  .page-disclaimer .usage-toc__back,
  .page-disclaimer .usage-clause__body a,
  .page-disclaimer .usage-links a {
    transition: none;
  }
}

已经完成，`` 和 `` 两个标记之间是完整交付内容。