.page-disclaimer {
  --usage-label-col: 218px;
  --usage-snippet-bg: rgba(14, 27, 44, 0.05);
  background: var(--wk-mist);
  color: var(--wk-ink);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .usage-hero {
  padding: clamp(28px, 7vw, 64px) 0 clamp(22px, 4vw, 34px);
  background:
    linear-gradient(180deg, rgba(242, 183, 5, 0.10) 0%, rgba(245, 246, 248, 0) 62%),
    var(--wk-mist);
}

.page-disclaimer .wk-crumbs {
  margin-bottom: clamp(22px, 4vw, 40px);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--wk-slate);
}

.page-disclaimer .wk-crumbs a {
  color: var(--wk-slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--wk-ease), border-color 160ms var(--wk-ease);
}

.page-disclaimer .wk-crumbs a:hover,
.page-disclaimer .wk-crumbs a:focus-visible {
  color: var(--wk-gold-deep);
  border-bottom-color: var(--wk-line);
}

.page-disclaimer .usage-hero__title {
  margin: 10px 0 0;
  font-size: clamp(34px, 9vw, 78px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--wk-ink);
}

.page-disclaimer .usage-hero__lede {
  margin-top: clamp(16px, 3vw, 26px);
  max-width: 62ch;
  color: var(--wk-ink-2);
}

/* ---------- 顶部窄幅横幅 ---------- */
.page-disclaimer .usage-banner {
  margin: clamp(26px, 5vw, 46px) 0 0;
  border-top: 1px solid var(--wk-line);
  padding-top: 14px;
}

.page-disclaimer .usage-banner .wk-media {
  border: 1px solid var(--wk-line);
  background: var(--wk-ink);
}

.page-disclaimer .usage-banner .wk-media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 5;
  object-fit: cover;
}

.page-disclaimer .usage-banner .wk-media__caption {
  margin-top: 10px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--wk-slate);
}

/* ---------- 章节索引 ---------- */
.page-disclaimer .usage-index {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  margin-top: clamp(24px, 4vw, 38px);
  padding-top: 16px;
  border-top: 1px solid var(--wk-line-soft);
}

.page-disclaimer .usage-index a {
  font-family: var(--wk-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--wk-ink-2);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--wk-line-soft);
  transition: color 160ms var(--wk-ease), border-color 160ms var(--wk-ease);
}

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

/* ---------- 条文双列 ---------- */
.page-disclaimer .usage-ledger {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-disclaimer .usage-clause {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(12px, 3vw, 22px);
  padding: clamp(28px, 5vw, 52px) 0;
  border-top: 1px solid var(--wk-line);
}

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

.page-disclaimer .usage-clause__head {
  display: grid;
  gap: 6px;
  align-content: start;
}

.page-disclaimer .usage-clause__no {
  margin: 0;
  font-family: var(--wk-font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--wk-gold-deep);
  text-transform: uppercase;
}

.page-disclaimer .usage-clause__title {
  margin: 0;
  font-size: clamp(20px, 3.4vw, 26px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--wk-ink);
}

.page-disclaimer .usage-clause__tag {
  margin: 2px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--wk-slate);
}

.page-disclaimer .usage-clause__body {
  max-width: 66ch;
}

.page-disclaimer .usage-clause__body > p {
  margin: 0 0 1.05em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--wk-ink-2);
}

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

.page-disclaimer .usage-clause__body a {
  color: var(--wk-gold-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--wk-line);
  transition: color 160ms var(--wk-ease), border-color 160ms var(--wk-ease);
}

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

/* ---------- 排除清单 ---------- */
.page-disclaimer .usage-list {
  list-style: none;
  margin: 0 0 1.05em;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .usage-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--wk-ink-2);
}

.page-disclaimer .usage-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 1px;
  background: var(--wk-flame);
}

/* ---------- 引用格式面板 ---------- */
.page-disclaimer .usage-snippet {
  margin: 0 0 1.25em;
  padding: 16px 18px 18px;
  background: var(--usage-snippet-bg);
  border: 1px solid var(--wk-line-soft);
  border-left: 2px solid var(--wk-gold);
  border-radius: var(--wk-radius);
}

.page-disclaimer .usage-snippet__label {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--wk-slate);
}

.page-disclaimer .usage-snippet__code {
  margin: 0;
  font-family: var(--wk-font-mono);
  font-size: 12.5px;
  line-height: 1.95;
  color: var(--wk-ink);
  white-space: pre-wrap;
  word-break: break-word;
  user-select: all;
  cursor: text;
}

/* ---------- 版本说明 ---------- */
.page-disclaimer .usage-version {
  display: grid;
  gap: 8px;
  margin-top: clamp(30px, 5vw, 54px);
  padding-top: 18px;
  border-top: 1px solid var(--wk-gold);
}

.page-disclaimer .usage-version .wk-note {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--wk-slate);
}

/* ---------- 显现 ---------- */
.page-disclaimer [data-reveal] {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 400ms var(--wk-ease), transform 400ms var(--wk-ease);
}

.page-disclaimer [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ---------- 桌面端：左标题列 + 右条文列 ---------- */
@media (min-width: 880px) {
  .page-disclaimer .usage-clause {
    grid-template-columns: var(--usage-label-col) minmax(0, 1fr);
    gap: clamp(32px, 6vw, 84px);
    align-items: start;
  }

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

  .page-disclaimer .usage-ledger {
    max-width: 1080px;
  }
}

@media (min-width: 1180px) {
  .page-disclaimer .usage-clause__body > p,
  .page-disclaimer .usage-list li {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}
<<<END>>>