.page-disclaimer {
  --pd-measure: 34em;
  --pd-num: clamp(2.6rem, 7vw, 4.2rem);
  color: var(--c-ink);
  background: var(--c-base);
  padding-bottom: clamp(56px, 9vw, 128px);
}

/* 面包屑 */
.page-disclaimer .pd-crumbs {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: clamp(20px, 3vw, 34px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-muted);
}
.page-disclaimer .pd-crumbs__link {
  color: var(--c-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-disclaimer .pd-crumbs__link:hover,
.page-disclaimer .pd-crumbs__link:focus-visible {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}
.page-disclaimer .pd-crumbs__sep {
  color: var(--c-line);
}
.page-disclaimer .pd-crumbs__current {
  color: var(--c-ink);
}

/* 首屏 */
.page-disclaimer .pd-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  padding-top: clamp(28px, 5vw, 56px);
  padding-bottom: clamp(32px, 5vw, 64px);
  align-items: end;
}
.page-disclaimer .pd-hero__eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--c-cyan);
}
.page-disclaimer .pd-hero__title {
  margin: 0;
  font-size: clamp(2.5rem, 10vw, 4.6rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--c-ink);
}
.page-disclaimer .pd-hero__lead {
  margin: 20px 0 0;
  max-width: var(--pd-measure);
  font-size: clamp(1rem, 1.7vw, 1.125rem);
  line-height: 1.8;
  color: var(--c-muted);
}
.page-disclaimer .pd-hero__scope {
  margin: 18px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--c-cyan-deep);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-muted);
}
.page-disclaimer .pd-hero__figure {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--c-line);
  background: var(--c-deep);
}
.page-disclaimer .pd-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-disclaimer .pd-hero__caption {
  margin: 10px 2px 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-muted);
}

/* 条款目录 */
.page-disclaimer .pd-toc {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding-bottom: clamp(32px, 5vw, 56px);
}
.page-disclaimer .pd-toc__item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--c-line);
  text-decoration: none;
  color: var(--c-ink);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-disclaimer .pd-toc__item:hover,
.page-disclaimer .pd-toc__item:focus-visible {
  background: var(--c-steel);
  border-color: var(--c-cyan);
}
.page-disclaimer .pd-toc__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--c-cyan);
}
.page-disclaimer .pd-toc__label {
  font-size: 0.94rem;
  line-height: 1.5;
}

/* 条款主体 */
.page-disclaimer .pd-clause {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2.4vw, 34px);
  padding-block: clamp(32px, 5vw, 56px);
  border-top: 1px solid var(--c-line);
}
.page-disclaimer .pd-clause:nth-child(even) {
  background: var(--c-deep);
  padding-inline: clamp(16px, 3vw, 40px);
}
.page-disclaimer .pd-clause__marker {
  display: flex;
  align-items: center;
  gap: 14px;
}
.page-disclaimer .pd-clause__num {
  font-family: var(--font-mono);
  font-size: var(--pd-num);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--c-cyan);
}
.page-disclaimer .pd-clause__tag {
  padding: 4px 9px;
  border: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-muted);
  white-space: nowrap;
}
.page-disclaimer .pd-clause__tag--warn {
  border-color: var(--c-orange);
  color: var(--c-orange);
}
.page-disclaimer .pd-clause__title {
  margin: 0 0 16px;
  font-size: clamp(1.35rem, 3.4vw, 1.9rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}
.page-disclaimer .pd-clause__body p {
  margin: 0 0 14px;
  max-width: var(--pd-measure);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--c-ink);
}
.page-disclaimer .pd-clause__body p:last-child {
  margin-bottom: 0;
}

/* 细则折叠 */
.page-disclaimer .pd-clause__more {
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px solid var(--c-line);
  max-width: var(--pd-measure);
}
.page-disclaimer .pd-clause__summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
}
.page-disclaimer .pd-clause__summary::-webkit-details-marker {
  display: none;
}
.page-disclaimer .pd-clause__summary::before {
  content: "＋";
  font-size: 13px;
  color: var(--c-cyan);
}
.page-disclaimer .pd-clause__more[open] .pd-clause__summary::before {
  content: "－";
}
.page-disclaimer .pd-clause__summary:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 4px;
}
.page-disclaimer .pd-clause__list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}
.page-disclaimer .pd-clause__list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 12px;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--c-muted);
}
.page-disclaimer .pd-clause__list li:last-child {
  margin-bottom: 0;
}
.page-disclaimer .pd-clause__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  background: var(--c-cyan-deep);
}

/* 文本内链接 */
.page-disclaimer .pd-link {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--c-cyan-deep);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-disclaimer .pd-link:hover,
.page-disclaimer .pd-link:focus-visible {
  color: var(--c-ink);
  border-bottom-color: var(--c-ink);
}

/* 页尾注释块 */
.page-disclaimer .pd-footnote {
  margin-top: clamp(40px, 6vw, 88px);
}
.page-disclaimer .pd-footnote__inner {
  position: relative;
  padding: clamp(24px, 4vw, 44px);
  background: var(--c-paper);
  color: var(--c-base);
  border-left: 6px solid var(--c-cyan-deep);
}
.page-disclaimer .pd-footnote__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--c-cyan-deep);
}
.page-disclaimer .pd-footnote__text {
  margin: 0;
  max-width: var(--pd-measure);
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--c-base);
}
.page-disclaimer .pd-footnote__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(10, 22, 38, 0.22);
}
.page-disclaimer .pd-footnote__links .pd-link {
  color: var(--c-cyan-deep);
  border-bottom-color: var(--c-cyan-deep);
}
.page-disclaimer .pd-footnote__links .pd-link:hover,
.page-disclaimer .pd-footnote__links .pd-link:focus-visible {
  color: var(--c-base);
  border-bottom-color: var(--c-base);
}

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

@media (min-width: 900px) {
  .page-disclaimer .pd-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
  .page-disclaimer .pd-toc {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-disclaimer .pd-clause {
    grid-template-columns: 190px minmax(0, 1fr);
    align-items: start;
  }
  .page-disclaimer .pd-clause__marker {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    position: sticky;
    top: calc(var(--strip-h) + 24px);
  }
}

@media (min-width: 1100px) {
  .page-disclaimer .pd-clause {
    grid-template-columns: 220px minmax(0, 1fr);
    column-gap: 48px;
  }
  .page-disclaimer .pd-clause__body p {
    font-size: 1.06rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .pd-crumbs__link,
  .page-disclaimer .pd-toc__item,
  .page-disclaimer .pd-link {
    transition: none;
  }
}