.page-disclaimer {
  --dl-measure: 34em;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 9vw, 104px);
}

/* 首屏 */
.page-disclaimer .doc-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  padding: clamp(20px, 4vw, 34px) 0 clamp(28px, 5vw, 52px);
}

.page-disclaimer .doc-hero::before {
  content: "";
  position: absolute;
  top: -46%;
  right: -12%;
  width: min(560px, 78vw);
  height: min(560px, 78vw);
  background: radial-gradient(circle, rgba(34, 224, 255, 0.16), rgba(165, 91, 255, 0.09) 46%, transparent 72%);
  pointer-events: none;
}

.page-disclaimer .doc-hero .crumbs {
  position: relative;
  margin-bottom: clamp(22px, 4vw, 40px);
}

.page-disclaimer .doc-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 36px);
}

.page-disclaimer .doc-hero__main .eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--cyan);
  margin: 0 0 10px;
}

.page-disclaimer .doc-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(42px, 12vw, 96px);
  line-height: 0.96;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-disclaimer .doc-hero__lede {
  margin: clamp(16px, 3vw, 22px) 0 0;
  max-width: var(--dl-measure);
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

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

.page-disclaimer .doc-hero__chips li {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 6px 11px;
}

.page-disclaimer .doc-hero__chips li:first-child {
  color: var(--cyan);
  border-color: rgba(34, 224, 255, 0.42);
}

.page-disclaimer .doc-hero__figure {
  position: relative;
  margin: clamp(26px, 4vw, 44px) 0 0;
}

.page-disclaimer .doc-hero__figure .figure__media {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-disclaimer .doc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.06);
}

.page-disclaimer .doc-hero__figure .figure__caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* 正文与轨道 */
.page-disclaimer .doc {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
  padding-top: clamp(30px, 6vw, 68px);
}

.page-disclaimer .doc__body {
  min-width: 0;
}

.page-disclaimer .doc-chapter {
  padding-top: clamp(28px, 4vw, 42px);
  border-top: 1px solid var(--line);
}

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

.page-disclaimer .doc-chapter__num {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: clamp(26px, 7vw, 44px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--muted);
  opacity: 0.42;
}

.page-disclaimer .doc-chapter__title {
  margin: 0 0 clamp(14px, 2.6vw, 22px);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 4.4vw, 30px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-disclaimer .doc-chapter__body p {
  max-width: var(--dl-measure);
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text);
}

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

.page-disclaimer .doc-chapter__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 255, 0.36);
  transition: border-color 200ms var(--ease), color 200ms var(--ease);
}

.page-disclaimer .doc-chapter__body a:hover,
.page-disclaimer .doc-chapter__body a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-disclaimer .doc-note {
  max-width: var(--dl-measure);
  margin: 20px 0;
  padding: 12px 16px;
  border-left: 2px solid var(--amber);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: linear-gradient(90deg, rgba(255, 176, 32, 0.09), rgba(255, 176, 32, 0) 72%);
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
}

.page-disclaimer .doc-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  max-width: var(--dl-measure);
}

.page-disclaimer .doc-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

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

.page-disclaimer .doc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

.page-disclaimer .doc-end {
  margin-top: clamp(32px, 5vw, 52px);
  padding: clamp(20px, 4vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--panel), var(--raise));
}

.page-disclaimer .doc-end__title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--violet);
}

.page-disclaimer .doc-end__text {
  margin: 0;
  max-width: var(--dl-measure);
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-disclaimer .doc-end__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 255, 0.36);
}

.page-disclaimer .doc-end__text a:hover,
.page-disclaimer .doc-end__text a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* 右侧阅读轨道：窄屏收起 */
.page-disclaimer .doc-rail {
  display: none;
}

.page-disclaimer .doc-rail__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--muted);
}

.page-disclaimer .doc-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--line);
}

.page-disclaimer .doc-rail__link {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: -1px;
  padding: 9px 0 9px 14px;
  border-left: 1px solid transparent;
  color: var(--muted);
  text-decoration: none;
  transition: border-color 200ms var(--ease), color 200ms var(--ease);
}

.page-disclaimer .doc-rail__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: inherit;
  transition: color 200ms var(--ease);
}

.page-disclaimer .doc-rail__title {
  max-width: 0;
  overflow: hidden;
  opacity: 0;
  white-space: nowrap;
  font-size: 12px;
  line-height: 1.5;
  transition: max-width 300ms var(--ease), opacity 300ms var(--ease);
}

.page-disclaimer .doc-rail__link:hover,
.page-disclaimer .doc-rail__link:focus-visible {
  color: var(--cyan);
  border-left-color: rgba(34, 224, 255, 0.5);
}

.page-disclaimer .doc-rail__link:hover .doc-rail__title,
.page-disclaimer .doc-rail__link:focus-visible .doc-rail__title,
.page-disclaimer .doc-rail__link[aria-current] .doc-rail__title {
  max-width: 150px;
  opacity: 1;
}

.page-disclaimer .doc-rail__link[aria-current] {
  color: var(--cyan);
  border-left-color: var(--cyan);
}

/* 平板及以上 */
@media (min-width: 720px) {
  .page-disclaimer .doc-hero__chips {
    max-width: 34em;
  }

  .page-disclaimer .doc-chapter__body p,
  .page-disclaimer .doc-note,
  .page-disclaimer .doc-list {
    font-size: 16px;
  }
}

/* 桌面：非对称双栏，右侧轨道跟随 */
@media (min-width: 940px) {
  .page-disclaimer .doc-hero__grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 0.85fr);
    align-items: end;
  }

  .page-disclaimer .doc-hero__chips {
    justify-content: flex-end;
    max-width: none;
  }

  .page-disclaimer .doc {
    grid-template-columns: minmax(0, 1fr) 196px;
    gap: clamp(36px, 5vw, 76px);
    align-items: start;
  }

  .page-disclaimer .doc-rail {
    display: block;
    position: sticky;
    top: 104px;
    padding-top: 6px;
  }

  .page-disclaimer .doc-chapter__title {
    font-size: clamp(24px, 2.4vw, 30px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc-rail__link,
  .page-disclaimer .doc-rail__title,
  .page-disclaimer .doc-rail__num,
  .page-disclaimer .doc-chapter__body a {
    transition: none;
  }
}
<<<END>>>