.page-disclaimer {
  --doc-measure: 720px;
  --doc-rail: 1px;
  display: block;
  background: var(--salt-50);
}

/* ---------- 面包屑留白 ---------- */
.page-disclaimer .breadcrumb {
  max-width: 1180px;
  margin-inline: auto;
  padding: 20px 20px 0;
}

/* ---------- 页首信息带 ---------- */
.page-disclaimer .doc-head {
  position: relative;
  max-width: 1180px;
  margin-inline: auto;
  padding: 8px 20px var(--step-1);
}

.page-disclaimer .doc-head-inner {
  position: relative;
  z-index: 1;
}

.page-disclaimer .doc-head .eyebrow {
  margin: 0 0 14px;
}

.page-disclaimer .doc-head h1 {
  margin: 0 0 18px;
}

.page-disclaimer .doc-head .lede {
  max-width: 46ch;
  margin: 0;
}

.page-disclaimer .doc-cover {
  margin: 26px 0 0;
  opacity: 0.28;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(120deg, var(--salt-50), var(--lake-600));
}

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

/* ---------- 摘要卡 ---------- */
.page-disclaimer .doc-summary {
  max-width: var(--doc-measure);
  margin: 0 auto var(--step-2);
  padding: 0 20px;
}

.page-disclaimer .doc-summary ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.page-disclaimer .doc-summary a {
  display: block;
  height: 100%;
  padding: 18px 18px 20px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--ochre-500);
  border-radius: var(--radius);
  color: var(--ink-900);
  text-decoration: none;
  transition: border-color 120ms var(--ease), transform 120ms var(--ease);
}

.page-disclaimer .doc-summary a:hover,
.page-disclaimer .doc-summary a:focus-visible {
  border-color: var(--ochre-500);
  transform: translateX(2px);
}

.page-disclaimer .doc-summary-num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ochre-500);
  margin-bottom: 10px;
}

.page-disclaimer .doc-summary strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--lake-900);
  margin-bottom: 6px;
}

.page-disclaimer .doc-summary span:last-child {
  display: block;
  font-size: 14px;
  line-height: 1.65;
  color: var(--steel-500);
}

/* ---------- 条款主体 + 纵向刻度线 ---------- */
.page-disclaimer .doc-wrap {
  position: relative;
  max-width: calc(var(--doc-measure) + 60px);
  margin-inline: auto;
  padding: 0 20px 0 34px;
}

.page-disclaimer .doc-wrap::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 6px;
  bottom: 6px;
  width: var(--doc-rail);
  background: linear-gradient(
    180deg,
    transparent 0,
    rgba(107, 116, 124, 0.55) 5%,
    rgba(107, 116, 124, 0.55) 95%,
    transparent 100%
  );
  pointer-events: none;
}

.page-disclaimer .clause {
  position: relative;
  scroll-margin-top: 96px;
}

.page-disclaimer .clause + .clause {
  margin-top: var(--step-1);
  padding-top: var(--step-1);
  border-top: 1px dashed var(--line);
}

.page-disclaimer .clause h2 {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.22rem, 2.6vw, 1.55rem);
  letter-spacing: -0.01em;
  color: var(--lake-900);
}

.page-disclaimer .clause-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.7em;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ochre-500);
  border-bottom: 2px solid var(--ochre-500);
  padding-bottom: 2px;
  flex: none;
}

.page-disclaimer .clause > p {
  margin: 0 0 18px;
  color: var(--ink-900);
  line-height: 1.75;
}

.page-disclaimer .clause-list {
  list-style: none;
  counter-reset: doc-clause;
  margin: 0;
  padding: 0;
}

.page-disclaimer .clause-list li {
  counter-increment: doc-clause;
  position: relative;
  padding-left: 34px;
  margin-bottom: 12px;
  line-height: 1.75;
  color: var(--ink-900);
}

.page-disclaimer .clause-list li:last-child {
  margin-bottom: 0;
}

.page-disclaimer .clause-list li::before {
  content: counter(doc-clause, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 4px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--steel-500);
}

.page-disclaimer .clause-list li::after {
  content: "";
  position: absolute;
  left: 26px;
  top: 13px;
  width: 4px;
  height: 1px;
  background: var(--line);
}

/* ---------- 脚注玻璃层 ---------- */
.page-disclaimer .doc-footnote {
  margin: var(--step-2) 0 var(--step-2);
  padding: 22px 20px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.page-disclaimer .doc-footnote-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  color: var(--lake-900);
}

.page-disclaimer .doc-footnote > p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel-500);
}

.page-disclaimer .doc-contact {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .doc-contact li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  font-size: 14px;
}

.page-disclaimer .doc-contact-label {
  flex: none;
  min-width: 68px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel-500);
}

.page-disclaimer .doc-contact .is-mono {
  color: var(--lake-900);
  font-weight: 600;
  word-break: break-all;
}

.page-disclaimer .doc-footnote-tail {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .doc-footnote a {
  color: var(--lake-600);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 120ms var(--ease);
}

.page-disclaimer .doc-footnote a:hover,
.page-disclaimer .doc-footnote a:focus-visible {
  color: var(--ochre-500);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .breadcrumb {
    padding-inline: 40px;
  }

  .page-disclaimer .doc-head {
    padding-inline: 40px;
  }

  .page-disclaimer .doc-summary {
    padding: 0;
  }

  .page-disclaimer .doc-summary ul {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-disclaimer .doc-wrap {
    padding-left: 56px;
    padding-right: 40px;
  }

  .page-disclaimer .doc-wrap::before {
    left: 34px;
  }

  .page-disclaimer .doc-footnote {
    padding: 26px 28px 28px;
  }
}

/* ---------- 桌面：页首右置氛围图 ---------- */
@media (min-width: 960px) {
  .page-disclaimer .doc-head {
    padding-block: var(--step-1) var(--step-1);
    padding-right: 46%;
  }

  .page-disclaimer .doc-head-inner {
    max-width: 520px;
  }

  .page-disclaimer .doc-cover {
    position: absolute;
    right: 40px;
    top: 50%;
    transform: translateY(-50%);
    width: 40%;
    margin: 0;
    opacity: 0.22;
    border-radius: var(--radius);
  }

  .page-disclaimer .doc-cover img {
    height: 260px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc-summary a,
  .page-disclaimer .doc-footnote a {
    transition: none;
    transform: none;
  }
}