.page-disclaimer {
  --u-gap: clamp(16px, 2.6vw, 24px);
  --u-radius: 14px;
  --u-pad: clamp(20px, 3vw, 30px);
  background: var(--bg-void);
  color: var(--text-primary);
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: hidden;
}

.page-disclaimer .shell {
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--shell-pad);
}

.page-disclaimer .breadcrumb {
  padding-block: 18px 4px;
  font-size: 13px;
  color: var(--text-secondary);
}
.page-disclaimer .breadcrumb a {
  color: var(--blue-electric);
  text-decoration: none;
  border-bottom: 1px solid rgba(77, 163, 255, 0.45);
}
.page-disclaimer .breadcrumb a:hover {
  color: var(--white-signal);
}
.page-disclaimer .breadcrumb span[aria-current] {
  color: var(--text-primary);
}

/* ---------- 顶部：非对称引言 + 三行摘要 ---------- */
.page-disclaimer .usage-intro {
  position: relative;
  padding-top: clamp(18px, 3vw, 32px);
  padding-bottom: clamp(28px, 4vw, 44px);
  background:
    radial-gradient(120% 90% at 12% -20%, rgba(57, 229, 140, 0.13), transparent 58%),
    repeating-linear-gradient(to right, rgba(57, 229, 140, 0.05) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(to bottom, rgba(57, 229, 140, 0.05) 0 1px, transparent 1px 72px);
  border-bottom: 1px solid var(--line-dim);
}

.page-disclaimer .usage-intro__grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 38px);
  align-items: end;
}

.page-disclaimer .eyebrow {
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--green-arena);
  margin: 0;
}

.page-disclaimer .usage-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 6.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--white-signal);
  margin: 12px 0 16px;
  max-width: 18em;
}

.page-disclaimer .usage-lede {
  margin: 0;
  color: var(--text-secondary);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  max-width: 46em;
}

.page-disclaimer .usage-intro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}
.page-disclaimer .usage-intro__actions .btn {
  font-size: 14px;
}

.page-disclaimer .usage-summary {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-disclaimer .usage-summary li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 15px 16px;
  background:
    linear-gradient(120deg, rgba(57, 229, 140, 0.08), transparent 62%),
    var(--bg-panel);
  border: 1px solid var(--line-dim);
  border-left: 2px solid var(--green-arena);
  border-radius: 10px;
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}
.page-disclaimer .usage-summary li:hover {
  border-color: var(--line-bright);
  border-left-color: var(--orange-signal);
  transform: translateY(-2px);
}
.page-disclaimer .usage-summary__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--green-arena);
  padding-top: 2px;
}
.page-disclaimer .usage-summary__title {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}
.page-disclaimer .usage-summary__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ---------- 顶部横幅 ---------- */
.page-disclaimer .usage-banner {
  position: relative;
  margin: clamp(22px, 3.4vw, 36px) 0 0;
  border: 1px solid var(--line-dim);
  border-radius: var(--u-radius);
  overflow: hidden;
  background: var(--bg-elevated);
}
.page-disclaimer .usage-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}
.page-disclaimer .usage-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(to right, rgba(57, 229, 140, 0.1) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(to bottom, rgba(57, 229, 140, 0.1) 0 1px, transparent 1px 72px);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.25));
}
.page-disclaimer .usage-banner__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  margin: 0;
  padding: 7px 14px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--green-arena);
  background: rgba(5, 8, 7, 0.86);
  border-top: 1px solid var(--line-dim);
  border-right: 1px solid var(--line-dim);
  border-top-right-radius: 8px;
}

/* ---------- 正文两栏 ---------- */
.page-disclaimer .usage-body {
  padding-top: clamp(28px, 4.5vw, 52px);
}
.page-disclaimer .usage-body__grid {
  display: grid;
  gap: var(--u-gap);
}

.page-disclaimer .clause {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--line-dim);
  border-radius: var(--u-radius);
  padding: var(--u-pad);
  margin-bottom: var(--u-gap);
  scroll-margin-top: calc(var(--header-offset) + 24px);
  transition: border-color 0.22s var(--ease), box-shadow 0.22s var(--ease);
}
.page-disclaimer .clause:last-child {
  margin-bottom: 0;
}
.page-disclaimer .clause:hover {
  border-color: var(--line-bright);
  box-shadow: 0 0 0 1px rgba(57, 229, 140, 0.12), 0 12px 30px rgba(0, 0, 0, 0.35);
}
.page-disclaimer .clause:target {
  border-color: var(--green-arena);
  box-shadow: 0 0 0 1px rgba(57, 229, 140, 0.4);
}

.page-disclaimer .clause__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px dashed var(--line-dim);
}
.page-disclaimer .clause__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--green-arena);
  padding: 3px 8px;
  border: 1px solid rgba(57, 229, 140, 0.4);
  border-radius: 4px;
  line-height: 1;
}
.page-disclaimer .clause h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.3vw, 27px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--white-signal);
}
.page-disclaimer .clause__anchor {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--blue-electric);
  text-decoration: none;
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-disclaimer .clause__anchor:hover,
.page-disclaimer .clause__anchor:focus-visible {
  color: var(--white-signal);
  border-color: rgba(77, 163, 255, 0.5);
}

.page-disclaimer .clause__list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: clause;
  display: grid;
  gap: 12px;
}
.page-disclaimer .clause__list > li {
  position: relative;
  counter-increment: clause;
  padding-left: 30px;
  color: var(--text-secondary);
  font-size: 15.5px;
  line-height: 1.8;
}
.page-disclaimer .clause__list > li::before {
  content: counter(clause, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--blue-electric);
  opacity: 0.85;
}
.page-disclaimer .clause__list a {
  color: var(--blue-electric);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.page-disclaimer .clause__list a:hover {
  color: var(--white-signal);
  text-decoration-color: var(--green-arena);
}

/* ---------- 章节索引 ---------- */
.page-disclaimer .usage-toc {
  order: -1;
  background: var(--bg-elevated);
  border: 1px solid var(--line-dim);
  border-radius: var(--u-radius);
  padding: 16px;
}
.page-disclaimer .usage-toc__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--green-arena);
}
.page-disclaimer .usage-toc ol {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-disclaimer .usage-toc li {
  flex: 0 0 auto;
}
.page-disclaimer .usage-toc a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid var(--line-dim);
  border-radius: 999px;
  background: var(--bg-panel);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.page-disclaimer .usage-toc a .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--blue-electric);
}
.page-disclaimer .usage-toc a:hover,
.page-disclaimer .usage-toc a:focus-visible {
  color: var(--white-signal);
  border-color: var(--green-arena);
  background: var(--green-deep);
}
.page-disclaimer .usage-toc__foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-dim);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .usage-intro__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }
  .page-disclaimer .usage-summary {
    gap: 12px;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .usage-body__grid {
    grid-template-columns: minmax(0, 1fr) 262px;
    align-items: start;
  }
  .page-disclaimer .usage-toc {
    order: 0;
    position: sticky;
    top: calc(var(--header-offset) + 18px);
  }
  .page-disclaimer .usage-toc ol {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-disclaimer .usage-toc li {
    flex: 1 1 auto;
  }
  .page-disclaimer .usage-toc a {
    width: 100%;
    border-radius: 8px;
    padding: 9px 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .usage-summary li,
  .page-disclaimer .clause,
  .page-disclaimer .usage-toc a {
    transition: none;
  }
  .page-disclaimer .usage-summary li:hover {
    transform: none;
  }
}
<<<END>>>