.page-disclaimer {
  --pd-radius-a: 12px;
  --pd-radius-b: 26px;
  --pd-ink-soft: rgba(8, 16, 14, 0.08);
}

/* ---------- 页头 ---------- */
.page-disclaimer .pd-head {
  padding-top: clamp(20px, 4vw, 40px);
}

.page-disclaimer .breadcrumbs {
  margin-bottom: clamp(18px, 3vw, 28px);
  font-size: 13px;
}

.page-disclaimer .pd-notice {
  display: grid;
  gap: 0;
  background: var(--chip);
  color: var(--ink);
  border: var(--frame);
  border-radius: var(--pd-radius-b) var(--pd-radius-a) var(--pd-radius-b) var(--pd-radius-a);
  overflow: hidden;
}

.page-disclaimer .pd-notice__copy {
  padding: 28px 22px 30px;
}

.page-disclaimer .pd-notice__mark {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 16px;
}

.page-disclaimer .pd-notice__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(36px, 9vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-disclaimer .pd-notice__lead {
  margin: 0;
  max-width: 36em;
  font-size: clamp(15px, 3.6vw, 17px);
  line-height: 1.75;
  color: var(--ink);
}

.page-disclaimer .pd-notice__figure {
  margin: 0;
  border-top: 2px solid var(--ink);
  background: var(--ink);
}

.page-disclaimer .pd-notice__figure img {
  display: block;
  width: 100%;
  height: 200px;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 五条约定 ---------- */
.page-disclaimer .pd-rules__head {
  max-width: 42em;
}

.page-disclaimer .pd-rules__intro {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--fog);
}

.page-disclaimer .pd-stack {
  display: grid;
  gap: 16px;
  margin-top: clamp(26px, 4vw, 40px);
}

.page-disclaimer .pd-card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--sand);
  border-left: 3px solid transparent;
  border-radius: var(--pd-radius-a);
  box-shadow: 0 1px 0 var(--pd-ink-soft);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-disclaimer .pd-card:nth-child(odd) {
  border-radius: var(--pd-radius-a) var(--pd-radius-b) var(--pd-radius-a) var(--pd-radius-b);
}

.page-disclaimer .pd-card:nth-child(even) {
  border-radius: var(--pd-radius-b) var(--pd-radius-a) var(--pd-radius-b) var(--pd-radius-a);
}

.page-disclaimer .pd-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 26px;
  height: 26px;
  background: var(--sand);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
  pointer-events: none;
}

.page-disclaimer .pd-card:hover {
  transform: translateY(-2px);
  border-left-color: var(--chip);
  box-shadow: 0 12px 26px var(--pd-ink-soft);
}

.page-disclaimer .pd-card__summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 22px 22px 10px;
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .pd-card__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .pd-card__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(26px, 6.5vw, 42px);
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--table);
  transition: color 0.32s var(--ease);
}

.page-disclaimer [data-section-number].is-active {
  color: var(--chip);
}

.page-disclaimer .pd-card__heading {
  display: block;
  min-width: 0;
}

.page-disclaimer .pd-card__title {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 4.4vw, 24px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--graphite);
}

.page-disclaimer .pd-card__sub {
  display: block;
  margin-top: 5px;
}

.page-disclaimer .pd-card__chev {
  flex: 0 0 auto;
  margin-left: auto;
  align-self: center;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--fog);
  border-bottom: 2px solid var(--fog);
  transform: rotate(45deg);
  transition: transform 0.2s var(--ease);
}

.page-disclaimer .pd-card[open] .pd-card__chev {
  transform: rotate(-135deg);
}

.page-disclaimer .pd-card__body {
  padding: 4px 22px 12px;
}

.page-disclaimer .pd-card__body p {
  margin: 0 0 12px;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--graphite);
}

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

.page-disclaimer .pd-card__body a {
  color: var(--cloth);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-disclaimer .pd-card__body a:hover {
  color: var(--chip);
}

.page-disclaimer .pd-card__stamp {
  display: block;
  padding: 0 22px 20px;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--fog);
}

.page-disclaimer .pd-card__summary:focus-visible,
.page-disclaimer .pd-card__body a:focus-visible {
  outline: 2px solid var(--chip);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px var(--paper);
  border-radius: 8px;
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .pd-notice {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: stretch;
  }

  .page-disclaimer .pd-notice__copy {
    padding: 48px 44px 52px;
  }

  .page-disclaimer .pd-notice__figure {
    border-top: 0;
    border-left: 2px solid var(--ink);
  }

  .page-disclaimer .pd-notice__figure img {
    height: 100%;
    min-height: 320px;
  }

  .page-disclaimer .pd-stack {
    gap: 22px;
  }

  .page-disclaimer .pd-card:nth-child(even) {
    margin-left: clamp(0px, 4vw, 58px);
  }

  .page-disclaimer .pd-card:nth-child(1) {
    margin-right: clamp(0px, 5vw, 76px);
  }

  .page-disclaimer .pd-card:nth-child(4) {
    margin-right: clamp(0px, 3vw, 44px);
  }

  .page-disclaimer .pd-card__summary {
    padding: 26px 30px 12px;
    gap: 20px;
  }

  .page-disclaimer .pd-card__body {
    padding: 4px 30px 14px;
  }

  .page-disclaimer .pd-card__stamp {
    padding: 0 30px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .pd-card,
  .page-disclaimer .pd-card__chev,
  .page-disclaimer .pd-card__num {
    transition: none;
  }

  .page-disclaimer .pd-card:hover {
    transform: none;
  }
}
<<<END>>>