.page-disclaimer {
  --doc-measure: 66ch;
  --doc-gutter: clamp(16px, 4vw, 58px);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  padding: clamp(10px, 2vw, 22px) 0 clamp(56px, 8vw, 104px);
}

.page-disclaimer .doc-anchor {
  display: block;
  height: 0;
  overflow: hidden;
}

/* ---------- 卷宗主体 ---------- */
.page-disclaimer .doc-frame {
  margin-top: clamp(14px, 2.4vw, 26px);
  background: #FFFCF5;
  border: var(--frame) solid var(--ink);
  box-shadow: 10px 10px 0 rgba(26, 23, 20, .16);
}

.page-disclaimer .doc-fileband {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  align-items: center;
  justify-content: space-between;
  padding: 10px var(--doc-gutter);
  background: var(--cinnabar);
  color: var(--paper);
  border-bottom: var(--frame) solid var(--ink);
}

.page-disclaimer .doc-code {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
}

/* ---------- 卷首 ---------- */
.page-disclaimer .doc-masthead {
  padding: clamp(26px, 4.4vw, 56px) var(--doc-gutter) clamp(22px, 3.2vw, 38px);
  border-bottom: 3px solid var(--gold);
}

.page-disclaimer .doc-masthead .eyebrow {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .34em;
  color: var(--cinnabar);
}

.page-disclaimer .doc-masthead h1 {
  margin: 12px 0 18px;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(30px, 5.2vw, 58px);
  line-height: 1.14;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-disclaimer .doc-masthead .lede {
  max-width: var(--doc-measure);
  margin: 0;
  font-size: clamp(15.5px, 1.5vw, 18px);
  line-height: 1.9;
  color: var(--dai-deep);
}

.page-disclaimer .doc-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 16px 28px;
  margin: 28px 0 0;
  padding-top: 20px;
  border-top: 1px dashed var(--hair);
}

.page-disclaimer .doc-meta dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--stone);
}

.page-disclaimer .doc-meta dd {
  margin: 5px 0 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
}

/* ---------- 横幅 ---------- */
.page-disclaimer .doc-banner {
  margin: 0;
  line-height: 0;
  background: var(--night);
  border-bottom: var(--frame) solid var(--ink);
}

.page-disclaimer .doc-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(.78) contrast(1.05) brightness(.92);
}

/* ---------- 正文布局 ---------- */
.page-disclaimer .doc-layout {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  padding: clamp(24px, 3.6vw, 48px) var(--doc-gutter) clamp(34px, 5vw, 66px);
}

.page-disclaimer .clause-index {
  border: 2px solid var(--ink);
  background: var(--lotus);
  box-shadow: 5px 5px 0 rgba(26, 23, 20, .14);
  padding: 16px 16px 14px;
}

.page-disclaimer .clause-index__title {
  margin: 0 0 12px;
  padding-bottom: 9px;
  border-bottom: 2px solid var(--gold);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .28em;
  color: var(--cinnabar);
}

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

.page-disclaimer .clause-index__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 7px 8px;
  border-left: 3px solid transparent;
  color: var(--ink);
  font-size: 14.5px;
  text-decoration: none;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}

.page-disclaimer .clause-index__list .mono {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cinnabar);
}

.page-disclaimer .clause-index__list a:hover,
.page-disclaimer .clause-index__list a:focus-visible {
  background: #FFFCF5;
  border-left-color: var(--cinnabar);
}

/* ---------- 条款条目 ---------- */
.page-disclaimer .clause-body {
  max-width: var(--doc-measure);
  min-width: 0;
}

.page-disclaimer .clause {
  padding: clamp(22px, 3vw, 34px) 0 clamp(24px, 3.2vw, 38px);
  border-top: 3px solid var(--gold);
  scroll-margin-top: 108px;
}

.page-disclaimer .clause:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-disclaimer .clause-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.page-disclaimer .clause-num {
  flex: none;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  background: var(--cinnabar);
  color: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 rgba(26, 23, 20, .2);
  font-family: var(--mono);
  font-size: 17px;
  font-weight: 700;
}

.page-disclaimer .clause-head h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(21px, 2.6vw, 28px);
  line-height: 1.3;
  letter-spacing: .02em;
  color: var(--dai);
}

.page-disclaimer .clause p {
  margin: 0 0 14px;
  font-size: clamp(15.5px, 1.4vw, 17px);
  line-height: 1.95;
  color: #2B2621;
}

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

.page-disclaimer .clause-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 11px;
}

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

.page-disclaimer .clause-list li {
  position: relative;
  padding-left: 24px;
  font-size: clamp(15.5px, 1.4vw, 17px);
  line-height: 1.9;
  color: #2B2621;
}

.page-disclaimer .clause-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .74em;
  width: 8px;
  height: 8px;
  background: var(--gold);
  border: 1px solid var(--ink);
}

.page-disclaimer .clause a {
  color: var(--cinnabar);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-disclaimer .clause a:hover,
.page-disclaimer .clause a:focus-visible {
  color: var(--proof);
}

/* ---------- 可折叠补充 ---------- */
.page-disclaimer .clause-note {
  margin: 6px 0 0;
  padding: 13px 18px;
  background: #FFFCF5;
  border: 2px solid var(--hair);
  border-left: 4px solid var(--gold);
}

.page-disclaimer .clause-note summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--dai);
}

.page-disclaimer .clause-note summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .clause-note summary::before {
  content: "▸";
  display: inline-block;
  margin-right: 9px;
  color: var(--cinnabar);
  transition: transform .2s var(--ease);
}

.page-disclaimer .clause-note[open] summary::before {
  transform: rotate(90deg);
}

.page-disclaimer .clause-note[open] summary {
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--hair);
}

/* ---------- 页脚说明行 ---------- */
.page-disclaimer .doc-footnote {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  align-items: center;
  margin-top: clamp(22px, 3vw, 34px);
  padding: 16px 4px;
  border-top: 3px solid var(--ink);
  border-bottom: 2px dashed var(--gold);
  font-size: 14px;
  color: var(--dai-deep);
}

.page-disclaimer .doc-footnote__label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--cinnabar);
}

/* ---------- 返回顶部印章 ---------- */
.page-disclaimer .to-top {
  position: fixed;
  right: clamp(14px, 2.4vw, 30px);
  bottom: clamp(14px, 2.4vw, 30px);
  z-index: 20;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  background: var(--cinnabar);
  color: var(--paper);
  border: var(--frame) solid var(--ink);
  box-shadow: 4px 4px 0 rgba(26, 23, 20, .28);
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 800;
  text-decoration: none;
  transition: transform .2s var(--ease), background .2s var(--ease);
}

.page-disclaimer .to-top:hover,
.page-disclaimer .to-top:focus-visible {
  background: var(--proof);
  transform: translate(-2px, -2px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .doc-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }

  .page-disclaimer .clause-index {
    position: sticky;
    top: 96px;
  }
}

@media (max-width: 640px) {
  .page-disclaimer .doc-frame {
    box-shadow: 6px 6px 0 rgba(26, 23, 20, .16);
  }

  .page-disclaimer .clause-index {
    padding: 13px 13px 11px;
  }

  .page-disclaimer .clause-index__list a {
    padding: 8px 6px;
    font-size: 15px;
  }

  .page-disclaimer .clause-head {
    gap: 11px;
  }

  .page-disclaimer .clause-num {
    width: 40px;
    height: 40px;
    font-size: 15px;
  }

  .page-disclaimer .clause-note {
    padding: 12px 14px;
  }

  .page-disclaimer .to-top {
    width: 46px;
    height: 46px;
    font-size: 18px;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .page-disclaimer {
    background: #fff;
    padding: 0;
  }

  .page-disclaimer .doc-frame {
    border: 1px solid #000;
    box-shadow: none;
  }

  .page-disclaimer .doc-fileband {
    background: #fff;
    color: #000;
    border-bottom: 1px solid #000;
  }

  .page-disclaimer .doc-banner,
  .page-disclaimer .clause-index,
  .page-disclaimer .to-top {
    display: none;
  }

  .page-disclaimer .doc-layout {
    display: block;
    padding: 16px 0;
  }

  .page-disclaimer .clause-body {
    max-width: none;
  }

  .page-disclaimer .clause {
    break-inside: avoid;
    page-break-inside: avoid;
    border-top: 1px solid #000;
  }

  .page-disclaimer .clause-note {
    border-color: #000;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause-index__list a,
  .page-disclaimer .clause-note summary::before,
  .page-disclaimer .to-top {
    transition: none;
  }

  .page-disclaimer .to-top:hover,
  .page-disclaimer .to-top:focus-visible {
    transform: none;
  }
}