.page-disclaimer {
  --doc-rail: 206px;
  --doc-gap: clamp(24px, 3.4vw, 48px);
  --doc-radius: 20px 4px 20px 4px;
  --doc-measure: 46em;
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: clip;
}

/* ---------- 页头 ---------- */
.page-disclaimer .doc-hero {
  position: relative;
  padding-top: clamp(22px, 3.6vw, 42px);
  background:
    radial-gradient(760px 320px at 8% -14%, rgba(56, 242, 200, .09), transparent 70%),
    radial-gradient(560px 300px at 94% 4%, rgba(27, 74, 92, .5), transparent 74%);
}

.page-disclaimer .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-disclaimer .doc-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  padding: clamp(14px, 2.2vw, 24px) 0 clamp(20px, 3vw, 32px);
}

.page-disclaimer .doc-hero h1 {
  margin: 10px 0 16px;
  font-family: var(--font-head);
  font-size: clamp(30px, 4.6vw, 54px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-disclaimer .doc-lede {
  margin: 0;
  max-width: 38em;
  font-size: 17px;
  line-height: 1.78;
  color: rgba(232, 255, 248, .8);
}

.page-disclaimer .doc-hero__side {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
}

.page-disclaimer .doc-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .doc-hero__jump {
  align-self: flex-start;
}

/* ---------- 横幅图 ---------- */
.page-disclaimer .doc-banner {
  margin: 0 0 clamp(22px, 3.4vw, 38px);
}

.page-disclaimer .doc-banner .figure-frame {
  border: var(--rule);
  border-radius: var(--doc-radius);
  overflow: hidden;
  background:
    repeating-linear-gradient(90deg, rgba(76, 107, 102, .22) 0 1px, transparent 1px 26px),
    linear-gradient(140deg, var(--ink-800), var(--night));
}

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

.page-disclaimer .figure-caption {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 主栏 + 侧栏 ---------- */
.page-disclaimer .doc-layout {
  display: flex;
  flex-direction: column;
  gap: var(--doc-gap);
  padding: clamp(28px, 4.5vw, 52px) 0 clamp(48px, 7vw, 88px);
}

.page-disclaimer .doc-body {
  max-width: var(--doc-measure);
  min-width: 0;
}

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

/* ---------- 章节 ---------- */
.page-disclaimer .doc-sec {
  padding: clamp(26px, 3.6vw, 40px) 0;
}

.page-disclaimer .doc-sec + .doc-sec {
  border-top: var(--rule);
}

.page-disclaimer .doc-sec--alt {
  padding-inline: clamp(16px, 2.6vw, 30px);
  border-top-color: transparent;
  border-radius: var(--doc-radius);
  background:
    linear-gradient(135deg, rgba(27, 74, 92, .42), rgba(10, 30, 38, .16));
}

.page-disclaimer .doc-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.page-disclaimer .doc-sec__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .08em;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

.page-disclaimer .doc-sec h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(21px, 2.5vw, 28px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-disclaimer .doc-sec .prose p {
  margin: 0 0 14px;
  font-size: 16.5px;
  line-height: 1.82;
  color: rgba(232, 255, 248, .82);
}

.page-disclaimer .doc-sec .prose p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .doc-sec .prose a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed var(--cyan-line);
}

.page-disclaimer .doc-sec .prose a:hover {
  background: var(--cyan-soft);
}

.page-disclaimer .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 提示块 ---------- */
.page-disclaimer .doc-callout {
  margin-top: 20px;
  padding: 14px 18px;
  border-left: 3px solid var(--orange);
  border-radius: 12px 3px 12px 3px;
  background: var(--orange-soft);
}

.page-disclaimer .doc-callout .notice-title {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--orange);
}

.page-disclaimer .doc-callout p:last-child {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(232, 255, 248, .86);
}

/* ---------- 折叠补充 ---------- */
.page-disclaimer .doc-more {
  margin-top: 16px;
  border: var(--rule);
  border-radius: var(--radius-soft);
  background: rgba(18, 58, 52, .42);
  overflow: hidden;
}

.page-disclaimer .doc-more summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--cyan);
  transition: background .16s var(--ease);
}

.page-disclaimer .doc-more summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .doc-more summary:hover {
  background: var(--cyan-soft);
}

.page-disclaimer .doc-more summary::before {
  content: "+";
  font-size: 15px;
  line-height: 1;
}

.page-disclaimer .doc-more[open] summary::before {
  content: "–";
}

.page-disclaimer .doc-more__body {
  padding: 2px 16px 16px;
  border-top: 1px solid rgba(76, 107, 102, .5);
}

.page-disclaimer .doc-more__body p {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(232, 255, 248, .78);
}

.page-disclaimer .doc-more__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed var(--cyan-line);
}

.page-disclaimer .doc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* ---------- 页尾引导 ---------- */
.page-disclaimer .doc-tail {
  position: relative;
  margin-top: clamp(30px, 4.5vw, 52px);
  padding-top: 28px;
  border-top: var(--rule);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.page-disclaimer .doc-tail::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 88px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.page-disclaimer .doc-tail p {
  margin: 0;
  flex: 1 1 240px;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 右侧锚点导航 ---------- */
.page-disclaimer .doc-toc {
  padding: 14px;
  border: var(--rule);
  border-radius: var(--doc-radius);
  background: rgba(10, 30, 38, .72);
}

.page-disclaimer .doc-toc__title {
  margin: 0 0 10px;
  padding-bottom: 8px;
  border-bottom: var(--rule);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-disclaimer .doc-toc ol {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-disclaimer .doc-toc ol::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .doc-toc li {
  flex: none;
}

.page-disclaimer .doc-toc a {
  display: block;
  padding: 8px 13px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .05em;
  white-space: nowrap;
  text-decoration: none;
  color: var(--muted);
  border: 1px solid rgba(76, 107, 102, .55);
  border-radius: var(--radius-pill);
  background: rgba(5, 16, 14, .6);
  transition: color .16s var(--ease), background .16s var(--ease), border-color .16s var(--ease);
}

.page-disclaimer .doc-toc a:hover,
.page-disclaimer .doc-toc a.is-active {
  color: var(--ink-900);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-disclaimer .doc-toc__cta {
  display: none;
  margin-top: 12px;
  width: 100%;
  justify-content: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .doc-hero__grid {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 32px;
  }

  .page-disclaimer .doc-hero__side {
    align-items: flex-end;
    text-align: right;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .doc-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--doc-rail);
    align-items: start;
    gap: var(--doc-gap);
  }

  .page-disclaimer .doc-aside {
    position: sticky;
    top: 96px;
    width: var(--doc-rail);
  }

  .page-disclaimer .doc-toc ol {
    display: block;
    overflow: visible;
    padding: 0;
  }

  .page-disclaimer .doc-toc li + li {
    margin-top: 2px;
  }

  .page-disclaimer .doc-toc a {
    padding: 8px 10px;
    white-space: normal;
    border: 1px solid transparent;
    border-left: 2px solid transparent;
    border-radius: 0 8px 8px 0;
    background: transparent;
    font-size: 12.5px;
    line-height: 1.5;
  }

  .page-disclaimer .doc-toc a:hover,
  .page-disclaimer .doc-toc a.is-active {
    color: var(--cyan);
    background: var(--cyan-soft);
    border-color: transparent;
    border-left-color: var(--cyan);
  }

  .page-disclaimer .doc-toc__cta {
    display: inline-flex;
  }
}

@media (min-width: 1100px) {
  .page-disclaimer .doc-sec--alt {
    padding-inline: clamp(22px, 3vw, 38px);
  }
}

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