.page-disclaimer {
  --pd-aside: 290px;
  --pd-measure: 66ch;
  padding-bottom: clamp(48px, 9vw, 104px);
}

/* 页首 */
.page-disclaimer .doc-head {
  max-width: 62ch;
  margin: clamp(20px, 4vw, 40px) 0 0;
}

.page-disclaimer .doc-head h1 {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(28px, 5.2vw, 50px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 10px 0 0;
}

.page-disclaimer .doc-head .lede {
  font-family: var(--f-serif);
  font-weight: 600;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.82;
  color: var(--muted);
  margin: 16px 0 0;
}

.page-disclaimer .crumbs__sep {
  margin: 0 8px;
  color: var(--line);
}

/* 页首窄幅主题图 */
.page-disclaimer .doc-figure {
  position: relative;
  margin: clamp(24px, 4vw, 42px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--panel);
  overflow: hidden;
  aspect-ratio: 3 / 2;
}

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

.page-disclaimer .doc-figure__cap {
  position: absolute;
  left: 12px;
  bottom: 12px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  background: rgba(5, 9, 15, 0.74);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 5px 10px;
}

@media (min-width: 760px) {
  .page-disclaimer .doc-figure {
    aspect-ratio: 21 / 9;
  }
}

/* 正文 + 边注 */
.page-disclaimer .doc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 46px);
  margin-top: clamp(32px, 5vw, 58px);
}

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

.page-disclaimer .doc-sec {
  border-top: 1px solid var(--line-soft);
  padding-top: clamp(20px, 3vw, 30px);
}

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

.page-disclaimer .doc-sec + .doc-sec {
  margin-top: clamp(24px, 3.4vw, 38px);
}

.page-disclaimer .doc-sec__title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(19px, 2.6vw, 26px);
  line-height: 1.28;
  letter-spacing: -0.005em;
  color: var(--ink);
  margin: 0 0 14px;
}

.page-disclaimer .doc-sec__num {
  flex: none;
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
  padding-top: 3px;
}

.page-disclaimer .doc-sec p {
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink);
  margin: 0 0 12px;
}

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

.page-disclaimer .doc-sec a,
.page-disclaimer .note-card__hint a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-disclaimer .doc-sec a:hover,
.page-disclaimer .doc-sec a:focus-visible,
.page-disclaimer .note-card__hint a:hover,
.page-disclaimer .note-card__hint a:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
}

/* 边注区 */
.page-disclaimer .doc-aside {
  display: grid;
  gap: 12px;
  align-content: start;
  min-width: 0;
}

@media (min-width: 900px) {
  .page-disclaimer .doc-layout {
    grid-template-columns: minmax(0, 1fr) var(--pd-aside);
    gap: clamp(36px, 5vw, 76px);
    align-items: start;
  }

  .page-disclaimer .doc-aside {
    position: sticky;
    top: 92px;
  }
}

.page-disclaimer .note-card {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--panel);
  padding: 14px 16px;
  transition: border-color var(--t-base) var(--ease), background-color var(--t-base) var(--ease);
}

.page-disclaimer .note-card:hover,
.page-disclaimer .note-card:focus-within {
  border-color: var(--cyan);
  background: var(--panel-soft);
}

.page-disclaimer .note-card__label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0;
}

.page-disclaimer .note-card__hint {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--muted);
  margin: 8px 0 0;
}

.page-disclaimer .note-card__big {
  margin: 12px 0 0;
  line-height: 1;
}

/* 快速跳转 */
.page-disclaimer .note-nav {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-disclaimer .note-nav a {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  padding: 0 2px;
  font-size: 13.5px;
  color: var(--muted);
  text-decoration: none;
  border-radius: var(--r-sm);
  transition: color var(--t-fast) var(--ease), padding-left var(--t-fast) var(--ease);
}

.page-disclaimer .note-nav a::before {
  content: "";
  flex: none;
  width: 5px;
  height: 5px;
  background: var(--line);
  transition: background-color var(--t-fast) var(--ease);
}

.page-disclaimer .note-nav a:hover,
.page-disclaimer .note-nav a:focus-visible {
  color: var(--accent);
  padding-left: 7px;
}

.page-disclaimer .note-nav a:hover::before,
.page-disclaimer .note-nav a:focus-visible::before {
  background: var(--accent);
}

/* 边注短列表 */
.page-disclaimer .note-list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-disclaimer .note-list li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--f-mono);
  font-size: 12.5px;
  color: var(--ink);
}

.page-disclaimer .note-list li::before {
  content: "";
  flex: none;
  width: 4px;
  height: 4px;
  background: var(--accent-dim);
}

.page-disclaimer .note-list--dim li {
  font-family: var(--f-body);
  font-size: 13px;
  color: var(--muted);
}

.page-disclaimer .note-list--dim li::before {
  background: var(--cyan);
}

/* 版本标记 */
.page-disclaimer .ver-tag {
  position: relative;
  display: inline-block;
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: 26px;
  letter-spacing: 0.02em;
  color: var(--accent);
  border-bottom: 1px dashed var(--accent-dim);
  cursor: help;
  outline-offset: 4px;
}

.page-disclaimer .ver-tag__tip {
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  z-index: 4;
  background: var(--panel-soft);
  border: 1px solid var(--cyan);
  border-radius: var(--r-sm);
  padding: 6px 10px;
  font-family: var(--f-body);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.4;
  white-space: nowrap;
  color: var(--ink);
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
  transition: opacity var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.page-disclaimer .ver-tag:hover .ver-tag__tip,
.page-disclaimer .ver-tag:focus-visible .ver-tag__tip,
.page-disclaimer .ver-tag:focus .ver-tag__tip {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .note-card,
  .page-disclaimer .note-nav a,
  .page-disclaimer .ver-tag__tip,
  .page-disclaimer .doc-sec a {
    transition: none;
  }
}
<<<END>>>