.page-disclaimer {
  --clause-pad: 40px;
  --clause-gap: 40px;
  display: block;
  background: var(--ink-000);
  color: var(--text-mid);
}

/* ---------- 面包屑 ---------- */
.page-disclaimer .breadcrumb {
  padding-top: 28px;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .doc-hero {
  position: relative;
  padding: 36px 0 56px;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .doc-hero__grid {
  display: grid;
  gap: 40px;
}

.page-disclaimer .doc-hero__lead {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.page-disclaimer .doc-version {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green);
}

.page-disclaimer .doc-version__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(61, 242, 164, 0.12);
}

.page-disclaimer .doc-hero h1 {
  margin: 0;
  color: var(--text);
  letter-spacing: 0.14em;
  line-height: 1.14;
}

.page-disclaimer .doc-lede {
  max-width: 62ch;
  margin: 24px 0 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-mid);
}

.page-disclaimer .doc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 40px;
  margin: 34px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-disclaimer .doc-hero__meta-item {
  min-width: 0;
}

.page-disclaimer .doc-hero__meta-item dt {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-faint);
}

.page-disclaimer .doc-hero__meta-item dd {
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--text);
}

.page-disclaimer .doc-hero__figure {
  margin: 0;
  align-self: end;
}

/* ---------- 条款两栏 ---------- */
.page-disclaimer .clause-layout {
  display: grid;
  gap: 28px;
  padding: 48px 0 88px;
}

.page-disclaimer .clause-index {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  min-width: 0;
}

.page-disclaimer .clause-index__label {
  display: block;
  margin: 0 0 14px;
  color: var(--text-faint);
}

.page-disclaimer .clause-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 10px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .clause-index__item {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-disclaimer .clause-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-dim);
  text-decoration: none;
  white-space: nowrap;
  background: var(--ink-100);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-disclaimer .clause-index__link:hover,
.page-disclaimer .clause-index__link:focus-visible {
  color: var(--text);
  border-color: var(--line-hi);
  background: var(--ink-200);
}

.page-disclaimer .clause-index__num {
  font-size: 12px;
  color: var(--text-faint);
}

.page-disclaimer .clause-index__link:hover .clause-index__num {
  color: var(--green);
}

.page-disclaimer .clause-body {
  min-width: 0;
}

/* ---------- 条款条目 ---------- */
.page-disclaimer .clause {
  padding: var(--clause-gap) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
}

.page-disclaimer .clause:first-child {
  border-top: none;
  padding-top: 0;
}

.page-disclaimer .clause__meta {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 20px;
}

.page-disclaimer .clause__num {
  flex: 0 0 auto;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--text-faint);
}

.page-disclaimer .clause__title {
  margin: 0;
  font-size: 22px;
  font-weight: 300;
  letter-spacing: 0.08em;
  line-height: 1.5;
  color: var(--text);
}

.page-disclaimer .clause__prose {
  max-width: 68ch;
}

.page-disclaimer .clause__prose p {
  margin: 0 0 18px;
}

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

.page-disclaimer .clause__facts {
  margin-top: 28px;
  border-top: 1px solid var(--line);
}

.page-disclaimer .clause__facts .data-list__row {
  border-bottom: 1px solid var(--line);
}

/* 关键边界：引用标注与责任范围 */
.page-disclaimer .clause--edge {
  position: relative;
  padding-left: 20px;
}

.page-disclaimer .clause--edge::before {
  content: "";
  position: absolute;
  left: 0;
  top: var(--clause-gap);
  bottom: var(--clause-gap);
  width: 2px;
  background: linear-gradient(180deg, var(--orange) 0%, rgba(255, 138, 61, 0.35) 60%, rgba(255, 138, 61, 0) 100%);
}

/* ---------- 导出对照折叠面板 ---------- */
.page-disclaimer .edge-details {
  margin-top: 28px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--ink-100);
  overflow: hidden;
}

.page-disclaimer .edge-details__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--text-mid);
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-disclaimer .edge-details__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .edge-details__summary:hover {
  color: var(--text);
  background: var(--ink-200);
}

.page-disclaimer .edge-details__summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--green);
}

.page-disclaimer .edge-details[open] .edge-details__summary::after {
  content: "–";
}

.page-disclaimer .edge-split {
  display: grid;
  border-top: 1px solid var(--line);
}

.page-disclaimer .edge-col {
  padding: 22px 18px;
  min-width: 0;
}

.page-disclaimer .edge-col + .edge-col {
  border-top: 1px solid var(--line);
}

.page-disclaimer .edge-col__title {
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--text-faint);
}

.page-disclaimer .edge-col--allow .edge-col__title {
  color: var(--green);
}

.page-disclaimer .edge-col--deny .edge-col__title {
  color: var(--orange);
}

.page-disclaimer .edge-col__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
}

.page-disclaimer .edge-col__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-mid);
}

.page-disclaimer .edge-col__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 9px;
  height: 1px;
  background: var(--text-faint);
}

.page-disclaimer .edge-col--allow .edge-col__list li::before {
  background: var(--green);
}

.page-disclaimer .edge-col--deny .edge-col__list li::before {
  background: var(--orange);
}

/* ---------- 页内脚注 ---------- */
.page-disclaimer .clause-foot {
  max-width: 68ch;
  margin: 0;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.9;
  color: var(--text-dim);
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .doc-hero {
    padding: 48px 0 72px;
  }

  .page-disclaimer .doc-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
    gap: 64px;
  }

  .page-disclaimer .clause-layout {
    grid-template-columns: 224px minmax(0, 1fr);
    gap: 72px;
    padding: 72px 0 120px;
  }

  .page-disclaimer .clause-index {
    position: sticky;
    top: 96px;
    align-self: start;
    border-top-color: var(--line-hi);
    padding-bottom: 8px;
  }

  .page-disclaimer .clause-index__list {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
    scroll-snap-type: none;
  }

  .page-disclaimer .clause-index__item {
    flex: initial;
  }

  .page-disclaimer .clause-index__link {
    display: flex;
    justify-content: flex-start;
    width: 100%;
    padding: 9px 10px;
    border-color: transparent;
    background: transparent;
    white-space: normal;
  }

  .page-disclaimer .clause-index__link:hover,
  .page-disclaimer .clause-index__link:focus-visible {
    background: var(--ink-100);
    border-color: var(--line);
  }

  .page-disclaimer .clause {
    --clause-gap: 56px;
    border-top-color: var(--line);
  }

  .page-disclaimer .clause--edge {
    --clause-gap: 72px;
    padding-left: 26px;
  }

  .page-disclaimer .edge-split {
    grid-template-columns: 1fr 1fr;
  }

  .page-disclaimer .edge-col + .edge-col {
    border-top: none;
    border-left: 1px solid var(--line);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause-index__link,
  .page-disclaimer .edge-details__summary {
    transition: none;
  }
}