.page-disclaimer {
  --pd-num-size: clamp(2.5rem, 8vw, 6.25rem);
  --pd-block-gap: clamp(3.25rem, 9vw, 7rem);
  background:
    radial-gradient(130% 70% at 92% -12%, rgba(27, 38, 80, .9), transparent 62%),
    linear-gradient(180deg, var(--c-ink) 0%, var(--c-ink) 70%, var(--c-carbon) 100%);
  color: var(--c-fog);
}

/* ---------- 面包屑与首屏 ---------- */

.page-disclaimer .pd-crumb-wrap {
  padding-block: clamp(1.5rem, 3.5vw, 2.75rem) 0;
}

.page-disclaimer .pd-hero {
  padding-block: clamp(1.25rem, 3.5vw, 2.75rem) 0;
}

.page-disclaimer .pd-hero-grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
}

.page-disclaimer .pd-hero-copy h1 {
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(2.3rem, 7.4vw, 5rem);
  line-height: 1.04;
  letter-spacing: .04em;
  margin: .7rem 0 0;
  color: var(--c-fog);
}

.page-disclaimer .pd-hero-copy .lede {
  margin-top: clamp(1.25rem, 3vw, 2rem);
  max-width: 60ch;
  color: rgba(242, 244, 248, .82);
  line-height: 1.8;
}

.page-disclaimer .pd-hero-meta {
  border-left: 2px solid var(--c-copper);
  padding-left: clamp(1rem, 2.5vw, 1.5rem);
}

.page-disclaimer .pd-meta-key {
  margin: 0;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-index);
}

.page-disclaimer .pd-meta-val {
  margin: .3rem 0 1.1rem;
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--c-fog);
}

.page-disclaimer .pd-meta-val:last-child {
  margin-bottom: 0;
}

@media (min-width: 900px) {
  .page-disclaimer .pd-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }
}

/* ---------- 顶部横幅 ---------- */

.page-disclaimer .pd-banner {
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
}

.page-disclaimer .pd-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

@media (max-width: 640px) {
  .page-disclaimer .pd-banner img {
    aspect-ratio: 16 / 9;
  }
}

/* ---------- 条款分块 ---------- */

.page-disclaimer .pd-blocks {
  padding-block: clamp(3rem, 8vw, 6rem) 0;
}

.page-disclaimer .pd-block {
  position: relative;
  padding-block: var(--pd-block-gap);
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .pd-block::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--c-copper) 0%, rgba(181, 96, 58, .3) 48%, transparent 100%);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 1s cubic-bezier(.22, .72, .2, 1);
}

.page-disclaimer .pd-block.is-revealed::before {
  transform: scaleX(1);
}

.page-disclaimer .pd-head {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(.75rem, 2.5vw, 1.75rem);
  margin-bottom: clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-disclaimer .pd-num {
  font-family: var(--font-mono);
  font-size: var(--pd-num-size);
  font-weight: 300;
  line-height: .78;
  letter-spacing: .02em;
  color: var(--c-copper);
}

.page-disclaimer .pd-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.45rem, 3.6vw, 2.45rem);
  line-height: 1.16;
  letter-spacing: .06em;
  color: var(--c-fog);
}

.page-disclaimer .pd-anchor {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-index);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .3rem .6rem;
  white-space: nowrap;
  transition: color .15s ease, border-color .15s ease;
}

.page-disclaimer .pd-anchor:hover,
.page-disclaimer .pd-anchor:focus-visible {
  color: var(--c-lime);
  border-color: rgba(198, 242, 74, .55);
}

/* ---------- 条款正文 ---------- */

.page-disclaimer .pd-body {
  max-width: 64ch;
  display: grid;
  gap: 1.1rem;
}

.page-disclaimer .pd-body p {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.8;
  color: rgba(242, 244, 248, .86);
}

.page-disclaimer .pd-body a {
  color: var(--c-lime);
  text-decoration: underline;
  text-underline-offset: .28em;
  text-decoration-thickness: 1px;
}

.page-disclaimer .pd-body a:hover,
.page-disclaimer .pd-body a:focus-visible {
  color: var(--c-fog);
}

.page-disclaimer .pd-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .9rem;
  counter-reset: pd-item;
}

.page-disclaimer .pd-list li {
  counter-increment: pd-item;
  position: relative;
  padding-left: 2.4rem;
  font-size: var(--step-0);
  line-height: 1.78;
  color: rgba(242, 244, 248, .86);
}

.page-disclaimer .pd-list li::before {
  content: counter(pd-item, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .28em;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-amber);
}

.page-disclaimer .pd-callout {
  margin-top: .4rem;
  padding: clamp(1rem, 3vw, 1.4rem) clamp(1.15rem, 3vw, 1.75rem);
  border-left: 2px solid var(--c-lime);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: linear-gradient(90deg, rgba(198, 242, 74, .09), transparent 88%);
}

.page-disclaimer .pd-callout p {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.78;
  color: var(--c-fog);
}

/* ---------- 修订记录 ---------- */

.page-disclaimer .pd-revisions {
  margin-top: clamp(2rem, 5vw, 4rem);
  padding-block: clamp(3rem, 8vw, 6rem);
}

.page-disclaimer .pd-rev-lede {
  max-width: 58ch;
  color: rgba(242, 244, 248, .78);
}

.page-disclaimer .pd-timeline {
  list-style: none;
  margin: clamp(2rem, 5vw, 3rem) 0 0;
  padding: 0;
  max-width: 76ch;
}

.page-disclaimer .pd-rev {
  position: relative;
  padding-left: clamp(1.75rem, 4vw, 2.5rem);
  padding-block: clamp(.9rem, 2.5vw, 1.4rem);
}

.page-disclaimer .pd-rev::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--line-strong);
}

.page-disclaimer .pd-rev:first-child::before {
  top: 2rem;
}

.page-disclaimer .pd-rev:last-child::before {
  bottom: auto;
  height: 2rem;
}

.page-disclaimer .pd-rev::after {
  content: "";
  position: absolute;
  left: 0;
  top: 1.62rem;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 1px solid var(--c-copper);
  background: var(--c-carbon);
}

.page-disclaimer .pd-rev:first-child::after {
  background: var(--c-lime);
  border-color: var(--c-lime);
  box-shadow: 0 0 0 4px rgba(198, 242, 74, .14);
}

.page-disclaimer .pd-rev-panel summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
}

.page-disclaimer .pd-rev-panel summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .pd-rev-panel summary::marker {
  content: "";
}

.page-disclaimer .pd-rev-main {
  display: grid;
  gap: .22rem;
}

.page-disclaimer .pd-rev-when {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-amber);
}

.page-disclaimer .pd-rev-title {
  font-size: var(--step-1);
  font-weight: 500;
  line-height: 1.42;
  color: var(--c-fog);
}

.page-disclaimer .pd-rev-mark {
  position: relative;
  width: 14px;
  height: 14px;
  flex: none;
}

.page-disclaimer .pd-rev-mark::before,
.page-disclaimer .pd-rev-mark::after {
  content: "";
  position: absolute;
  background: var(--c-index);
  transition: transform .18s ease, background .18s ease;
}

.page-disclaimer .pd-rev-mark::before {
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
}

.page-disclaimer .pd-rev-mark::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  transform-origin: center;
}

.page-disclaimer .pd-rev-panel[open] .pd-rev-mark::before {
  background: var(--c-lime);
}

.page-disclaimer .pd-rev-panel[open] .pd-rev-mark::after {
  transform: scaleY(0);
}

.page-disclaimer .pd-rev-body {
  padding-top: .9rem;
  padding-right: .5rem;
}

.page-disclaimer .pd-rev-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(242, 244, 248, .78);
}

@media (prefers-reduced-motion: no-preference) {
  .page-disclaimer .pd-rev-panel[open] .pd-rev-body {
    animation: pd-rev-in .22s ease-out both;
  }
}

@keyframes pd-rev-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 相邻说明页 ---------- */

.page-disclaimer .pd-cross {
  padding-block: clamp(3rem, 8vw, 6rem);
}

.page-disclaimer .pd-cross-grid {
  margin-top: clamp(1.25rem, 3vw, 2rem);
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-disclaimer .pd-cross-link {
  display: grid;
  gap: .45rem;
  padding: clamp(1.15rem, 3vw, 1.6rem);
  background: var(--c-ink);
  text-decoration: none;
  transition: background .18s ease;
}

.page-disclaimer .pd-cross-link:hover,
.page-disclaimer .pd-cross-link:focus-visible {
  background: var(--c-panel);
}

.page-disclaimer .pd-cross-name {
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-weight: 300;
  letter-spacing: .06em;
  color: var(--c-fog);
}

.page-disclaimer .pd-cross-note {
  font-size: 14px;
  line-height: 1.62;
  color: var(--c-index);
}

@media (min-width: 640px) {
  .page-disclaimer .pd-cross-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .pd-cross-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 右侧滚动刻度 ---------- */

.page-disclaimer .pd-ruler {
  position: fixed;
  right: clamp(8px, 1.4vw, 22px);
  top: 50%;
  transform: translateY(-50%);
  display: none;
  flex-direction: column;
  align-items: flex-end;
  gap: 14px;
  z-index: 8;
  pointer-events: none;
}

.page-disclaimer .pd-tick {
  display: block;
  width: 12px;
  height: 1px;
  background: var(--line-strong);
}

.page-disclaimer .pd-tick:nth-child(2) {
  width: 18px;
}

.page-disclaimer .pd-tick:nth-child(3) {
  width: 24px;
}

.page-disclaimer .pd-tick:nth-child(4) {
  width: 18px;
}

.page-disclaimer .pd-tick--on {
  width: 26px;
  height: 2px;
  background: var(--c-lime);
}

@media (min-width: 1180px) {
  .page-disclaimer .pd-ruler {
    display: flex;
  }
}

/* ---------- 窄屏收束 ---------- */

@media (max-width: 560px) {
  .page-disclaimer .pd-head {
    grid-template-columns: auto minmax(0, 1fr);
    row-gap: .5rem;
  }

  .page-disclaimer .pd-anchor {
    display: none;
  }

  .page-disclaimer .pd-num {
    font-size: clamp(2.1rem, 15vw, 3.25rem);
  }

  .page-disclaimer .pd-list li {
    padding-left: 1.9rem;
  }

  .page-disclaimer .pd-rev {
    padding-left: 1.6rem;
  }
}
<<<END>>>