.page-disclaimer {
  --dis-rule-soft: rgba(107, 98, 89, .14);
  --dis-num-w: 38px;
  background: var(--sand);
  color: var(--ink);
  font-family: var(--font-body);
}

.page-disclaimer .breadcrumb {
  padding-top: 18px;
  font-size: 13px;
  color: var(--stone);
}

.page-disclaimer .breadcrumb a {
  color: var(--sky);
  text-decoration: none;
}

.page-disclaimer .breadcrumb a:hover {
  text-decoration: underline;
}

.page-disclaimer .breadcrumb span {
  margin: 0 5px;
}

/* ---------- 首屏 ---------- */

.page-disclaimer .usage-hero {
  padding: clamp(26px, 4.5vw, 52px) 0 clamp(20px, 3vw, 34px);
}

.page-disclaimer .usage-hero-inner {
  max-width: 780px;
}

.page-disclaimer .usage-kicker {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--pitch);
}

.page-disclaimer .usage-hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2.05rem, 7vw, 3.85rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.022em;
}

.page-disclaimer .usage-hero .lede {
  margin: 0 0 18px;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.78;
  color: var(--stone);
}

.page-disclaimer .usage-hero-tags {
  margin: 0;
}

.page-disclaimer .usage-banner {
  margin: 0;
  background: var(--ink);
}

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

/* ---------- 章节跳转条 ---------- */

.page-disclaimer .usage-toc {
  background: var(--sand-lift);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  padding: 10px 0;
}

.page-disclaimer .usage-toc-inner {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-disclaimer .usage-toc-label {
  flex: 0 0 auto;
  padding-right: 14px;
  border-right: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--stone);
}

.page-disclaimer .usage-toc-list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0;
  min-width: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-disclaimer .usage-toc-list::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .usage-toc-list li {
  flex: 0 0 auto;
}

.page-disclaimer .usage-toc-link {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 7px 11px;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  font-size: 13px;
  color: var(--stone);
  text-decoration: none;
  white-space: nowrap;
  transition: background-color .16s var(--ease), color .16s var(--ease), border-color .16s var(--ease);
}

.page-disclaimer .usage-toc-link .mono {
  font-size: 11px;
  color: var(--pitch);
}

.page-disclaimer .usage-toc-link:hover {
  background: rgba(47, 143, 78, .1);
  color: var(--ink);
}

.page-disclaimer .usage-toc-link[aria-current] {
  background: var(--pitch);
  border-color: var(--pitch-deep);
  color: var(--sand-lift);
}

.page-disclaimer .usage-toc-link[aria-current] .mono {
  color: var(--sand-lift);
}

/* ---------- 主体与右侧速览 ---------- */

.page-disclaimer .usage-layout {
  display: grid;
  gap: 28px;
  padding: clamp(32px, 5vw, 56px) 0 clamp(56px, 8vw, 88px);
}

.page-disclaimer .usage-side {
  align-self: start;
}

.page-disclaimer .usage-section {
  padding-top: 4px;
}

.page-disclaimer .usage-section + .usage-section {
  margin-top: clamp(38px, 5vw, 58px);
}

.page-disclaimer .usage-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--ink);
}

.page-disclaimer .usage-head h2 {
  margin: 0;
  font-size: clamp(1.25rem, 3.4vw, 1.72rem);
  font-weight: 800;
  letter-spacing: -.012em;
}

.page-disclaimer .usage-icon-wrap {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--r-sm);
  background: rgba(47, 143, 78, .13);
  color: var(--pitch-deep);
}

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

.page-disclaimer .usage-item {
  display: grid;
  grid-template-columns: var(--dis-num-w) minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
}

.page-disclaimer .usage-item + .usage-item {
  border-top: 1px solid var(--dis-rule-soft);
}

.page-disclaimer .usage-item-num {
  padding-top: 2px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--pitch);
}

.page-disclaimer .usage-item-body h3 {
  margin: 0 0 5px;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: -.005em;
}

.page-disclaimer .usage-item-body p {
  margin: 0;
  max-width: 44em;
  font-size: .97rem;
  line-height: 1.74;
  color: var(--stone);
}

.page-disclaimer .usage-item-body p a {
  color: var(--sky);
  text-underline-offset: 3px;
}

.page-disclaimer .usage-brief {
  background: var(--sand-lift);
  border: 1px solid var(--line-soft);
  border-top: 3px solid var(--flood);
  border-radius: var(--r-md);
  padding: 20px 20px 22px;
  box-shadow: var(--shadow-1);
}

.page-disclaimer .usage-brief-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--stone);
}

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

.page-disclaimer .usage-brief-list li {
  position: relative;
  padding-left: 16px;
  font-size: .88rem;
  line-height: 1.62;
  color: var(--ink-2);
}

.page-disclaimer .usage-brief-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .64em;
  width: 8px;
  height: 2px;
  background: var(--pitch);
}

/* ---------- 结尾动作区 ---------- */

.page-disclaimer .usage-cta {
  background: var(--ink);
  color: var(--on-dark);
  padding: clamp(42px, 6vw, 72px) 0;
}

.page-disclaimer .usage-cta-inner {
  max-width: 720px;
}

.page-disclaimer .usage-cta h2 {
  margin: 0 0 12px;
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -.016em;
  color: var(--sand);
}

.page-disclaimer .usage-cta p {
  margin: 0;
  line-height: 1.76;
  color: var(--on-dark-soft);
}

.page-disclaimer .usage-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-disclaimer .usage-cta .btn-ghost {
  border-color: var(--line-dark);
  color: var(--sand);
}

.page-disclaimer .usage-cta .btn-ghost:hover {
  border-color: var(--sand);
  background: rgba(244, 237, 226, .08);
}

/* ---------- 响应式 ---------- */

@media (max-width: 559px) {
  .page-disclaimer {
    --dis-num-w: 30px;
  }

  .page-disclaimer .usage-toc-label {
    display: none;
  }

  .page-disclaimer .usage-hero h1 {
    font-size: clamp(1.85rem, 8.6vw, 2.5rem);
  }

  .page-disclaimer .usage-item {
    gap: 10px;
    padding: 14px 0;
  }

  .page-disclaimer .usage-item-body p {
    font-size: .95rem;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .usage-layout {
    grid-template-columns: minmax(0, 1fr) 292px;
    gap: 52px;
    align-items: start;
  }

  .page-disclaimer .usage-brief {
    position: sticky;
    top: 24px;
  }
}
<<<END>>>