.page-disclaimer {
  --pd-grid: rgba(26, 46, 84, .06);
  --pd-rule: #C9D6E9;
  --pd-gold-ink: #96661D;
  --pd-body: #2B3B57;
  background: var(--bg);
  color: var(--text);
}

.page-disclaimer .crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 22px 0 0;
  font-size: 13px;
}

/* ---------- 首屏 ---------- */
.page-disclaimer__masthead {
  position: relative;
  padding: 26px 0 40px;
  isolation: isolate;
}

.page-disclaimer__masthead::before {
  content: "";
  position: absolute;
  inset: -90px -18% auto -18%;
  height: 460px;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(58% 76% at 16% 18%, rgba(63, 224, 208, .18), transparent 68%),
    radial-gradient(50% 68% at 86% 6%, rgba(232, 182, 90, .13), transparent 70%);
}

.page-disclaimer__masthead-inner {
  display: grid;
  gap: 26px;
}

.page-disclaimer__masthead-copy {
  min-width: 0;
}

.page-disclaimer__masthead .display {
  margin: 12px 0 18px;
}

.page-disclaimer__masthead .lead {
  max-width: 46ch;
  margin: 0;
  color: var(--muted);
}

.page-disclaimer__masthead-meta {
  list-style: none;
  margin: 0;
  padding: 0 0 0 18px;
  border-left: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  font-size: 14px;
  color: var(--muted);
}

.page-disclaimer__masthead-meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
}

.page-disclaimer__masthead-meta .mono {
  color: var(--gold);
  font-size: 15px;
  letter-spacing: .06em;
}

/* ---------- 顶部横幅 ---------- */
.page-disclaimer__banner {
  margin: 4px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-1);
  box-shadow: var(--shadow);
}

.page-disclaimer__banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 手册主体 ---------- */
.page-disclaimer__manual {
  margin-top: 44px;
  padding: 48px 0 64px;
  background-color: var(--sheet);
  background-image:
    linear-gradient(var(--pd-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--pd-grid) 1px, transparent 1px);
  background-size: 30px 30px;
  color: var(--pd-body);
}

.page-disclaimer__manual-grid {
  display: grid;
  gap: 30px;
}

.page-disclaimer__rail {
  display: none;
}

.page-disclaimer__toc {
  display: grid;
  gap: 2px;
  margin-top: 14px;
}

.page-disclaimer__toc-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0 10px 12px;
  border-left: 2px solid var(--pd-rule);
  color: var(--sheet-muted);
  font-size: 14.5px;
  line-height: 1.4;
  text-decoration: none;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}

.page-disclaimer__toc-link .mono {
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--pd-gold-ink);
}

.page-disclaimer__toc-link:hover {
  color: var(--sheet-ink);
  border-left-color: var(--pd-gold-ink);
}

.page-disclaimer__toc-link.is-active {
  color: var(--sheet-ink);
  border-left-color: var(--accent);
  background: rgba(63, 224, 208, .12);
}

.page-disclaimer__body {
  min-width: 0;
}

.page-disclaimer__chapter {
  padding: 30px 0;
  scroll-margin-top: 92px;
}

.page-disclaimer__chapter:first-child {
  padding-top: 0;
}

.page-disclaimer__chapter + .page-disclaimer__chapter {
  border-top: 1px solid var(--pd-rule);
}

.page-disclaimer__chapter-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.page-disclaimer__num {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--pd-gold-ink);
}

.page-disclaimer__num::before {
  content: "";
  width: 3px;
  height: 20px;
  background: var(--gold);
  border-radius: 1px;
}

.page-disclaimer__chapter-title {
  margin: 0;
  font-size: clamp(20px, 3.4vw, 26px);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.3;
  color: var(--sheet-ink);
}

.page-disclaimer__chapter p {
  max-width: 42em;
  margin: 0 0 1.05em;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--pd-body);
}

.page-disclaimer__chapter p:last-child {
  margin-bottom: 0;
}

.page-disclaimer__chapter strong {
  color: var(--sheet-ink);
  font-weight: 700;
  font-family: var(--font-mono);
  font-size: 15.5px;
  letter-spacing: .02em;
}

/* ---------- 折叠条目 ---------- */
.page-disclaimer__fold {
  margin-top: 20px;
  background: #FFFFFF;
  border: 1px solid var(--pd-rule);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-disclaimer__fold .fold-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  margin: 0;
  padding: 13px 16px;
  background: none;
  border: 0;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  color: var(--sheet-ink);
  text-align: left;
  cursor: pointer;
}

.page-disclaimer__fold .fold-head::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--pd-gold-ink);
}

.page-disclaimer__fold[data-open="true"] .fold-head::after {
  content: "–";
}

.page-disclaimer__fold[data-open="false"] .fold-body {
  display: none;
}

.page-disclaimer__fold .fold-body {
  padding: 14px 16px 16px;
  border-top: 1px solid var(--pd-rule);
  background: #F7FAFF;
}

.page-disclaimer__fold .fold-body p {
  font-size: 15.5px;
  margin-bottom: .75em;
}

.page-disclaimer__fold .fold-body p:last-child {
  margin-bottom: 0;
}

/* ---------- 联系方式复制 ---------- */
.page-disclaimer__contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.page-disclaimer__copy {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--sheet-ink);
  background: #FFFFFF;
  border: 1px solid var(--pd-rule);
  border-radius: var(--radius);
  padding: 8px 12px;
  cursor: pointer;
  transition: border-color .2s ease, background .2s ease;
}

.page-disclaimer__copy::after {
  content: "复制";
  font-family: var(--font-sans);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--pd-gold-ink);
  border-left: 1px solid var(--pd-rule);
  padding-left: 9px;
}

.page-disclaimer__copy:hover {
  border-color: var(--accent);
  background: rgba(63, 224, 208, .09);
}

/* ---------- 收束区 ---------- */
.page-disclaimer__outro {
  margin-top: 44px;
  padding-top: 26px;
  border-top: 2px solid var(--sheet-ink);
  display: grid;
  gap: 18px;
}

.page-disclaimer__outro p {
  margin: 0;
  max-width: 42em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--pd-body);
}

.page-disclaimer__outro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-disclaimer__outro-secondary {
  display: inline-flex;
  align-items: center;
  padding: 11px 20px;
  border: 1px solid var(--sheet-ink);
  border-radius: var(--radius);
  color: var(--sheet-ink);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: background .2s ease, color .2s ease;
}

.page-disclaimer__outro-secondary:hover {
  background: var(--sheet-ink);
  color: var(--sheet);
}

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-disclaimer__masthead {
    padding: 40px 0 52px;
  }

  .page-disclaimer__masthead-inner {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 48px;
    align-items: end;
  }
}

@media (min-width: 920px) {
  .page-disclaimer__manual {
    padding: 60px 0 76px;
  }

  .page-disclaimer__manual-grid {
    grid-template-columns: 222px minmax(0, 1fr);
    gap: 60px;
    align-items: start;
  }

  .page-disclaimer__rail {
    display: block;
    position: sticky;
    top: 96px;
  }

  .page-disclaimer__chapter {
    padding: 38px 0;
  }

  .page-disclaimer__outro {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
  }
}
<<<END>>>