.page-disclaimer {
  --pd-pad: 20px;
  position: relative;
  background-color: var(--paper);
  background-image:
    repeating-linear-gradient(0deg, transparent 0 31px, rgba(90, 107, 123, 0.055) 31px 32px),
    repeating-linear-gradient(90deg, transparent 0 63px, rgba(90, 107, 123, 0.045) 63px 64px);
}

.page-disclaimer .usage-crumb {
  padding-top: 18px;
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
}

.page-disclaimer .usage-hero {
  padding: 22px 0 34px;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .usage-hero h1 {
  margin: 12px 0 0;
  max-width: 19ch;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(29px, 5.6vw, var(--fs-3xl));
  line-height: 1.24;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-disclaimer .usage-lede {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: var(--fs-base);
  line-height: 1.82;
  color: var(--ink-soft);
}

.page-disclaimer .usage-points {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-disclaimer .usage-points li {
  position: relative;
  padding-left: 20px;
  font-size: var(--fs-sm);
  line-height: 1.6;
  color: var(--bamboo);
  font-weight: 600;
}

.page-disclaimer .usage-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 10px;
  height: 2px;
  background: var(--gold);
}

.page-disclaimer .usage-banner {
  margin: 26px 0 0;
  overflow: hidden;
  border-radius: var(--radius-card);
  border: 1px solid var(--line);
  background: var(--slate-seat);
}

.page-disclaimer .usage-banner img {
  display: block;
  width: 100%;
  height: 190px;
  object-fit: cover;
  object-position: center;
}

.page-disclaimer .usage-body {
  display: grid;
  gap: 30px;
  padding: 34px 0 68px;
}

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

.page-disclaimer .usage-rail-label {
  margin: 0;
  padding-top: 14px;
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  color: var(--slate);
  border-top: 2px solid var(--zhu);
}

.page-disclaimer .usage-index {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
}

.page-disclaimer .usage-index a {
  display: flex;
  gap: 8px;
  align-items: baseline;
  padding: 8px 10px 8px 12px;
  border-left: 2px solid transparent;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: var(--fs-sm);
  line-height: 1.5;
  transition: color 0.18s var(--ease), background-color 0.18s var(--ease),
    border-color 0.18s var(--ease);
}

.page-disclaimer .usage-index a .num {
  flex: 0 0 auto;
  font-size: var(--fs-xs);
  color: var(--zhu);
  font-weight: 700;
}

.page-disclaimer .usage-index a:hover {
  color: var(--zhu-deep);
  background: var(--zhu-wash);
}

.page-disclaimer .usage-index a[aria-current="true"] {
  color: var(--zhu-deep);
  border-left-color: var(--zhu);
  background: var(--zhu-wash);
  font-weight: 700;
}

.page-disclaimer .usage-rail-note {
  margin: 16px 0 0;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--gold-sand);
  color: #5c4720;
  font-size: var(--fs-xs);
  line-height: 1.7;
}

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

.page-disclaimer .usage-section {
  padding: 24px 0 26px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 96px;
}

.page-disclaimer .usage-section:first-child {
  padding-top: 6px;
}

.page-disclaimer .usage-section:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-disclaimer .usage-section h2 {
  position: relative;
  margin: 0 0 12px;
  padding-left: 19px;
  font-family: var(--font-head);
  font-size: var(--fs-lg);
  font-weight: 800;
  line-height: 1.36;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-disclaimer .usage-section h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold);
}

.page-disclaimer .usage-section p {
  margin: 0 0 12px;
  max-width: 66ch;
  font-size: var(--fs-base);
  line-height: 1.82;
  color: var(--ink-soft);
}

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

.page-disclaimer .usage-section a {
  color: var(--bamboo);
  text-decoration: none;
  border-bottom: 1px solid rgba(60, 110, 91, 0.45);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-disclaimer .usage-section a:hover {
  color: var(--bamboo);
  border-bottom-color: var(--bamboo);
}

.page-disclaimer .principle-band {
  margin: 26px 0;
  padding: 18px 20px 20px;
  border-radius: var(--radius-card);
  background: var(--bamboo);
  box-shadow: var(--shadow-sm);
  scroll-margin-top: 96px;
}

.page-disclaimer .principle-band summary {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: var(--fs-base);
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-disclaimer .principle-band summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .principle-band summary::after {
  content: "收起";
  flex: 0 0 auto;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(250, 246, 241, 0.5);
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--paper);
}

.page-disclaimer .principle-band:not([open]) summary::after {
  content: "展开";
}

.page-disclaimer .principle-band p {
  margin: 12px 0 0;
  max-width: 64ch;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: rgba(250, 246, 241, 0.92);
}

.page-disclaimer .usage-contact {
  margin: 18px 0 0;
  padding: 16px 16px 18px;
  display: grid;
  gap: 12px;
  border-radius: var(--radius-card);
  background: var(--bamboo-mist);
  border: 1px solid rgba(60, 110, 91, 0.2);
}

.page-disclaimer .usage-contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 12px;
  min-width: 0;
}

.page-disclaimer .usage-contact-key {
  flex: 0 0 auto;
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--bamboo);
}

.page-disclaimer .usage-contact-val {
  flex: 1 1 190px;
  min-width: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-sm);
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-disclaimer .usage-contact-val--text {
  font-family: var(--font-body);
}

@media (max-width: 419px) {
  .page-disclaimer .usage-index {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 700px) {
  .page-disclaimer .usage-banner img {
    height: 260px;
  }

  .page-disclaimer .usage-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 24px;
    padding: 20px 22px;
  }

  .page-disclaimer .usage-contact-row {
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .usage-crumb {
    padding-top: 26px;
  }

  .page-disclaimer .usage-hero {
    padding: 26px 0 44px;
  }

  .page-disclaimer .usage-hero h1 {
    max-width: 21ch;
  }

  .page-disclaimer .usage-points {
    grid-auto-flow: column;
    justify-content: start;
    gap: 0 28px;
    margin-top: 24px;
  }

  .page-disclaimer .usage-banner {
    margin-top: 32px;
  }

  .page-disclaimer .usage-banner img {
    height: 300px;
  }

  .page-disclaimer .usage-body {
    grid-template-columns: 212px minmax(0, 1fr);
    gap: 60px;
    padding: 54px 0 96px;
  }

  .page-disclaimer .usage-aside {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-disclaimer .usage-index {
    grid-template-columns: minmax(0, 1fr);
    margin-top: 14px;
  }

  .page-disclaimer .usage-index a {
    padding: 9px 10px 9px 13px;
  }

  .page-disclaimer .usage-section {
    padding: 30px 0 32px;
  }

  .page-disclaimer .usage-section h2 {
    font-size: var(--fs-xl);
  }

  .page-disclaimer .principle-band {
    margin: 30px 0;
    padding: 22px 26px 24px;
  }
}
</<PAGE_CSS>>>