.page-disclaimer {
  background: var(--rice);
  color: var(--ink);
  padding-bottom: 72px;
  overflow-wrap: break-word;
}

/* ---------- 深色首屏条 ---------- */

.page-disclaimer .usage-hero-band {
  position: relative;
  background: var(--ink);
  color: var(--rice);
  padding: 28px 0 36px;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .usage-hero-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 84% 16%, rgba(201, 162, 39, 0.18), transparent 58%),
    radial-gradient(circle at 6% 92%, rgba(179, 18, 46, 0.14), transparent 52%);
  pointer-events: none;
}

.page-disclaimer .usage-hero-band .container {
  position: relative;
  z-index: 1;
}

.page-disclaimer .usage-hero-band .breadcrumb-link {
  color: rgba(246, 241, 231, 0.7);
  text-decoration: none;
}

.page-disclaimer .usage-hero-band .breadcrumb-link:hover,
.page-disclaimer .usage-hero-band .breadcrumb-link:focus-visible {
  color: var(--gold);
}

.page-disclaimer .usage-hero-band .breadcrumb-item span[aria-current="page"] {
  color: var(--gold);
}

.page-disclaimer .usage-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin: 24px 0 12px;
}

.page-disclaimer .usage-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 42px;
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--rice);
  margin: 0 0 18px;
}

.page-disclaimer .usage-lead {
  max-width: 34em;
  font-size: 17px;
  line-height: 1.85;
  color: rgba(246, 241, 231, 0.82);
  margin: 0;
}

.page-disclaimer .usage-meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: 26px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .usage-meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
}

.page-disclaimer .meta-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--brass);
}

.page-disclaimer .meta-v {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: rgba(246, 241, 231, 0.78);
  word-break: break-word;
}

/* ---------- 顶部抽象图 ---------- */

.page-disclaimer .usage-plate-section {
  padding-top: 40px;
}

.page-disclaimer .usage-plate {
  margin: 0;
  padding: 10px;
  background: var(--ink);
  border: 1px solid var(--line);
}

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

.page-disclaimer .usage-plate .media-caption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--brass);
  padding: 10px 4px 2px;
  margin: 0;
}

/* ---------- 主体布局 ---------- */

.page-disclaimer .usage-terms-section {
  padding-top: 8px;
}

.page-disclaimer .usage-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  margin-top: 44px;
}

/* ---------- 条款跳转面板 ---------- */

.page-disclaimer .usage-toc {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 20px 16px 16px;
}

.page-disclaimer .usage-toc-title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--brass);
  margin: 0 0 14px;
}

.page-disclaimer .usage-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-disclaimer .usage-toc-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 8px;
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: border-color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-disclaimer .usage-toc-link:hover,
.page-disclaimer .usage-toc-link:focus-visible {
  background: rgba(201, 162, 39, 0.16);
  border-left-color: var(--gold);
}

.page-disclaimer .usage-toc-link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-disclaimer .toc-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-disclaimer .usage-toc-note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--grey);
}

.page-disclaimer .usage-toc-note a {
  color: var(--ruby);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 条款条 ---------- */

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

.page-disclaimer .term {
  border-top: 1px solid var(--line);
  padding: 26px 0 4px;
  scroll-margin-top: calc(var(--topbar-h) + 20px);
  transition: background-color 240ms var(--ease);
}

.page-disclaimer .term:first-child {
  border-top-color: var(--gold);
}

.page-disclaimer .term:target {
  background: var(--paper);
  box-shadow: inset 3px 0 0 var(--gold);
  padding-left: 14px;
  padding-right: 14px;
}

.page-disclaimer .term-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px 14px;
}

.page-disclaimer .term-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold);
}

.page-disclaimer .term-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 24px;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0;
}

.page-disclaimer .term-details {
  margin-top: 14px;
}

.page-disclaimer .term-toggle {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--brass);
  border-bottom: 1px dashed var(--line);
  transition: color 140ms var(--ease);
}

.page-disclaimer .term-toggle::-webkit-details-marker {
  display: none;
}

.page-disclaimer .term-toggle::before {
  content: "+";
  font-size: 13px;
  color: var(--gold);
}

.page-disclaimer .term-details[open] > .term-toggle::before {
  content: "–";
}

.page-disclaimer .term-toggle:hover {
  color: var(--ruby);
}

.page-disclaimer .term-toggle:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-disclaimer .term-toggle .lbl-collapse {
  display: none;
}

.page-disclaimer .term-details[open] .term-toggle .lbl-expand {
  display: none;
}

.page-disclaimer .term-details[open] .term-toggle .lbl-collapse {
  display: inline;
}

.page-disclaimer .term-content {
  padding: 12px 0 20px;
}

.page-disclaimer .term-content p {
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-muted);
  margin: 0 0 14px;
}

.page-disclaimer .term-content p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .term-content strong {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.01em;
}

.page-disclaimer .term-content a {
  color: var(--ruby);
  text-decoration: underline;
  text-decoration-color: rgba(179, 18, 46, 0.4);
  text-underline-offset: 3px;
}

.page-disclaimer .term-content a:hover,
.page-disclaimer .term-content a:focus-visible {
  text-decoration-color: var(--ruby);
}

.page-disclaimer .term-list {
  list-style: none;
  max-width: 34em;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .term-list li {
  position: relative;
  padding-left: 22px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-muted);
}

.page-disclaimer .term-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 10px;
  height: 1px;
  background: var(--gold);
}

/* ---------- 页尾导航 ---------- */

.page-disclaimer .usage-footnav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid var(--gold);
}

/* ---------- 桌面端 ---------- */

@media (min-width: 900px) {
  .page-disclaimer .usage-hero-band {
    padding: 40px 0 54px;
  }

  .page-disclaimer .usage-title {
    font-size: 60px;
  }

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

  .page-disclaimer .usage-layout {
    grid-template-columns: 252px minmax(0, 1fr);
    gap: 56px;
    margin-top: 56px;
  }

  .page-disclaimer .usage-toc {
    position: sticky;
    top: calc(var(--topbar-h) + 24px);
    max-height: calc(100vh - var(--topbar-h) - 48px);
    overflow-y: auto;
  }

  .page-disclaimer .term {
    padding: 40px 0 6px;
  }

  .page-disclaimer .term:target {
    padding-left: 20px;
    padding-right: 20px;
  }

  .page-disclaimer .term-num {
    font-size: 44px;
  }

  .page-disclaimer .term-title {
    font-size: 31px;
  }

  .page-disclaimer .term-content {
    padding-bottom: 24px;
  }

  .page-disclaimer .usage-footnav {
    margin-top: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer * {
    transition-duration: 0.01ms !important;
  }
}
<<<END>>>