/* ===== 页面：disclaimer / 使用说明 ===== */
.page-disclaimer {
  background: var(--c-paper);
  color: var(--c-ink);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-wrap: break-word;
}

.page-disclaimer .d-crumb {
  width: min(100% - 32px, 1200px);
  margin-inline: auto;
  padding-top: 24px;
}

.page-disclaimer .d-wrap {
  width: min(100% - 32px, 1200px);
  margin-inline: auto;
}

.page-disclaimer .d-hero {
  padding-top: 48px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--c-line);
}

.page-disclaimer .d-kicker {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-gold-deep);
  margin: 0 0 14px;
}

.page-disclaimer .d-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: 0.01em;
  max-width: 14em;
  margin: 0 0 18px;
}

.page-disclaimer .d-hero-lead {
  font-size: 1.0625rem;
  color: var(--c-muted);
  max-width: 36em;
  margin: 0;
}

.page-disclaimer .d-index {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding: 28px 0 32px;
  border-bottom: 1px solid var(--c-line);
}

.page-disclaimer .d-index-title {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.5;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-gold-deep);
  margin: 0;
  padding-top: 4px;
}

.page-disclaimer .d-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-disclaimer .d-index-list li {
  border-top: 1px solid var(--c-line);
}

.page-disclaimer .d-index-list li:first-child {
  border-top: 0;
}

.page-disclaimer .d-index-list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 0;
  color: var(--c-ink);
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-disclaimer .d-index-list a:hover,
.page-disclaimer .d-index-list a:focus {
  color: var(--c-deep);
  padding-left: 6px;
}

.page-disclaimer .d-index-num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--c-gold-deep);
}

.page-disclaimer .d-sections {
  padding-top: 8px;
}

.page-disclaimer .d-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: 28px 0 30px;
  border-bottom: 1px solid var(--c-line);
}

.page-disclaimer .d-block-side {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-disclaimer .d-block-num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--c-gold-deep);
}

.page-disclaimer .d-block-tag {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--c-muted);
  text-transform: uppercase;
}

.page-disclaimer .d-block-main h2 {
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 2.5vw, 1.875rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 14px;
}

.page-disclaimer .d-block-main p {
  margin: 0 0 12px;
  max-width: 60em;
}

.page-disclaimer .d-block-main p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .d-block-main a {
  color: var(--c-deep);
  text-underline-offset: 2px;
  text-decoration-color: var(--c-gold);
  text-decoration-thickness: 1px;
}

.page-disclaimer .d-contact-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-disclaimer .d-contact-list li {
  position: relative;
  padding-left: 18px;
}

.page-disclaimer .d-contact-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  background: var(--c-gold-deep);
  border-radius: 1px;
}

.page-disclaimer .d-contact-note {
  font-size: 0.875rem;
  color: var(--c-muted);
}

.page-disclaimer .d-detail {
  margin-top: 16px;
  border-top: 1px solid var(--c-line);
  padding-top: 12px;
}

.page-disclaimer .d-detail summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--c-deep);
  list-style: none;
}

.page-disclaimer .d-detail summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .d-detail summary::before {
  content: "+";
  display: inline-block;
  margin-right: 8px;
  color: var(--c-gold-deep);
  font-family: var(--font-mono);
}

.page-disclaimer .d-detail[open] summary::before {
  content: "–";
}

.page-disclaimer .d-detail .d-detail-body {
  margin-top: 8px;
  font-size: 0.9375rem;
  color: var(--c-muted);
}

.page-disclaimer .d-figure {
  margin: 40px 0 0;
  border: 1px solid var(--c-line);
  background: var(--c-deep);
  overflow: hidden;
}

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

.page-disclaimer .d-tail {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
  justify-content: space-between;
  padding: 28px 0 12px;
  border-top: 3px solid var(--c-gold);
  margin-top: 32px;
}

.page-disclaimer .d-tail-meta {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--c-muted);
  margin: 0;
}

@media (min-width: 900px) {
  .page-disclaimer .d-crumb {
    width: min(100% - 48px, 1200px);
    padding-top: 32px;
  }

  .page-disclaimer .d-wrap {
    width: min(100% - 48px, 1200px);
  }

  .page-disclaimer .d-hero {
    padding-top: 88px;
    padding-bottom: 36px;
  }

  .page-disclaimer .d-index {
    grid-template-columns: 220px 1fr;
    gap: 64px;
    padding: 44px 0 48px;
  }

  .page-disclaimer .d-index-list {
    grid-template-columns: repeat(2, 1fr);
    column-gap: 56px;
  }

  .page-disclaimer .d-block {
    grid-template-columns: 200px 1fr;
    column-gap: 64px;
    padding: 40px 0 44px;
  }

  .page-disclaimer .d-block-side {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }

  .page-disclaimer .d-block-side {
    padding-top: 6px;
  }

  .page-disclaimer .d-tail {
    flex-direction: row;
    align-items: center;
    padding-top: 32px;
  }
}