.page-disclaimer {
  padding-bottom: clamp(72px, 10vw, 132px);
}

/* ---------- 面包屑与页头 ---------- */
.page-disclaimer .breadcrumb {
  padding-top: clamp(18px, 3.4vw, 32px);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-disclaimer .doc-head {
  padding-top: clamp(20px, 3.6vw, 40px);
  padding-bottom: clamp(22px, 3.8vw, 40px);
}

.page-disclaimer .doc-head .eyebrow {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 16px;
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  font-family: var(--font-ui);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
  background: var(--ink-800);
}

.page-disclaimer .ver {
  font-size: 0.95em;
  color: var(--clay);
  letter-spacing: 0.06em;
}

.page-disclaimer .doc-head h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 5.6vw, 52px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--text);
  max-width: 17em;
}

.page-disclaimer .doc-lead {
  margin: 0;
  max-width: 40em;
  font-size: clamp(15.5px, 1.8vw, 18px);
  line-height: 1.78;
  color: var(--text-soft);
}

/* ---------- 通栏氛围图 ---------- */
.page-disclaimer .doc-hero {
  margin: clamp(8px, 2vw, 20px) 0 0;
}

.page-disclaimer .doc-hero img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 1;
  object-fit: cover;
  border-radius: var(--r-a);
  border: 1px solid var(--line);
  background: var(--ink-800);
  filter: saturate(0.72) brightness(0.92);
}

/* ---------- 主体排布 ---------- */
.page-disclaimer .doc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 26px);
  padding-top: clamp(28px, 5vw, 60px);
}

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

/* 右侧细索引 */

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

.page-disclaimer .doc-index__title {
  margin: 0 0 10px;
  font-family: var(--font-ui);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-disclaimer .section-nav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-disclaimer .section-nav__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--ink-800);
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-decoration: none;
  white-space: nowrap;
  transition:
    color var(--t-fast) var(--ease-out),
    border-color var(--t-fast) var(--ease-out),
    background-color var(--t-fast) var(--ease-out);
}

.page-disclaimer .section-nav__link .mono {
  font-size: 11.5px;
  color: var(--line);
  transition: color var(--t-fast) var(--ease-out);
}

.page-disclaimer .section-nav__link:hover {
  color: var(--text);
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-disclaimer .section-nav__link:hover .mono {
  color: var(--cyan);
}

.page-disclaimer .section-nav__link[aria-current="true"] {
  color: var(--on-cyan);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-disclaimer .section-nav__link[aria-current="true"] .mono {
  color: var(--on-cyan);
  opacity: 0.7;
}

/* ---------- 章节 ---------- */
.page-disclaimer .doc-sec {
  padding-block: clamp(6px, 1.6vw, 12px);
}

.page-disclaimer .doc-sec h2 {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(21px, 3.1vw, 28px);
  line-height: 1.38;
  letter-spacing: -0.005em;
  color: var(--text);
}

.page-disclaimer .doc-sec__num {
  flex: 0 0 auto;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  transform: translateY(-2px);
}

.page-disclaimer .prose {
  max-width: 38em;
}

.page-disclaimer .prose p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-soft);
}

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

.page-disclaimer .prose a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 230, 195, 0.38);
  transition: border-color var(--t-fast) var(--ease-out), color var(--t-fast) var(--ease-out);
}

.page-disclaimer .prose a:hover {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* ---------- 横向数据线 ---------- */
.page-disclaimer .data-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px clamp(18px, 4vw, 46px);
  margin-block: clamp(26px, 4.4vw, 48px);
  padding-block: 16px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background-image: linear-gradient(90deg, rgba(0, 230, 195, 0.07), rgba(0, 230, 195, 0) 62%);
}

.page-disclaimer .data-line__item {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13.5px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-disclaimer .data-line__k {
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--cyan);
  line-height: 1;
}

/* ---------- 页尾渐隐轨道线 ---------- */
.page-disclaimer .doc-track {
  margin-top: clamp(44px, 7vw, 84px);
  height: 1px;
  background-image: linear-gradient(
    90deg,
    var(--line) 0%,
    var(--line) 32%,
    rgba(42, 59, 87, 0) 100%
  );
  position: relative;
}

.page-disclaimer .doc-track::before {
  content: "";
  position: absolute;
  left: 0;
  top: -3px;
  width: 44px;
  height: 7px;
  border-radius: var(--r-pill);
  background: var(--cyan);
  opacity: 0.9;
}

/* ---------- 回到顶部 ---------- */
.page-disclaimer .to-top {
  position: fixed;
  right: clamp(14px, 3vw, 30px);
  bottom: clamp(14px, 3vw, 30px);
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(14, 21, 36, 0.9);
  color: var(--text-soft);
  font-family: var(--font-ui);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-decoration: none;
  backdrop-filter: blur(6px);
  transition:
    color var(--t-fast) var(--ease-out),
    border-color var(--t-fast) var(--ease-out),
    transform var(--t-fast) var(--ease-out);
}

.page-disclaimer .to-top:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-disclaimer .to-top__text {
  display: none;
}

/* ---------- 宽屏 ---------- */
@media (min-width: 700px) {
  .page-disclaimer .to-top__text {
    display: inline;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .doc-layout {
    grid-template-columns: minmax(0, 1fr) 214px;
    gap: clamp(34px, 5vw, 76px);
    align-items: start;
  }

  .page-disclaimer .doc-body {
    grid-column: 1;
    grid-row: 1;
  }

  .page-disclaimer .doc-index {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: calc(var(--toolbar-h) + 26px);
  }

  .page-disclaimer .doc-index__title {
    padding-bottom: 10px;
    border-bottom: 1px solid var(--line);
  }

  .page-disclaimer .section-nav {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .section-nav__link {
    width: 100%;
    padding: 8px 0 8px 13px;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    background: transparent;
    white-space: normal;
    line-height: 1.5;
    transition:
      color var(--t-fast) var(--ease-out),
      border-left-color var(--t-fast) var(--ease-out),
      padding-left var(--t-fast) var(--ease-out);
  }

  .page-disclaimer .section-nav__link:hover {
    color: var(--text);
    border-color: var(--line);
    border-left-color: var(--cyan);
    transform: none;
    padding-left: 17px;
  }

  .page-disclaimer .section-nav__link[aria-current="true"] {
    color: var(--cyan);
    background: transparent;
    border-color: var(--line);
    border-left-color: var(--cyan);
  }

  .page-disclaimer .section-nav__link[aria-current="true"] .mono {
    color: var(--cyan);
    opacity: 1;
  }

  .page-disclaimer .doc-head h1 {
    max-width: 15em;
  }
}

@media (min-width: 1200px) {
  .page-disclaimer .doc-index {
    grid-column: 2;
  }
}
<<<END>>>
</main>