/* ===== 使用声明 /notice/ ===== */
.page-disclaimer {
  --dl-measure: 64ch;
  --dl-ease: cubic-bezier(0.2, 0.7, 0.3, 1);
}

/* --- 头部 --- */
.page-disclaimer .dl-head {
  padding-block: var(--space-4) var(--space-6);
}

.page-disclaimer .dl-head__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.page-disclaimer .dl-head__stamp {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  letter-spacing: 0.02em;
}

.page-disclaimer .dl-head__title {
  margin: 0 0 var(--space-3);
  max-width: 20ch;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  line-height: var(--leading-heading);
  font-size: clamp(var(--text-xl), 5.6vw, var(--text-3xl));
  color: var(--color-ink);
}

.page-disclaimer .dl-head__lede {
  margin: 0;
  max-width: var(--dl-measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* --- 首屏横图 --- */
.page-disclaimer .dl-banner {
  margin: var(--space-6) 0 0;
}

.page-disclaimer .dl-banner__frame {
  overflow: hidden;
  border: var(--border-thick) solid var(--color-ink);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-2);
  background: var(--color-surface-deep);
}

.page-disclaimer .dl-banner__frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-disclaimer .dl-banner__cap {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.02em;
  color: var(--color-ink-muted);
}

/* --- 章节跳转条 --- */
.page-disclaimer .dl-toc {
  padding-block: var(--space-3);
  border-top: var(--border-thick) solid var(--color-ink);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-disclaimer .dl-toc__list {
  display: flex;
  gap: var(--space-1);
  margin: 0;
  padding: 0 0 var(--space-1);
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .dl-toc__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  min-height: 44px;
  padding-inline: var(--space-2);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 150ms var(--dl-ease), background-color 150ms var(--dl-ease), color 150ms var(--dl-ease);
}

.page-disclaimer .dl-toc__link:hover,
.page-disclaimer .dl-toc__link:focus-visible {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  color: var(--color-ink);
}

.page-disclaimer .dl-toc__idx {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-accent);
}

.page-disclaimer .dl-toc__link:hover .dl-toc__idx {
  color: var(--color-primary);
}

.page-disclaimer .dl-rule {
  margin: var(--space-4) 0 0;
}

/* --- 条款章节骨架 --- */
.page-disclaimer .dl-sec {
  scroll-margin-top: var(--space-6);
}

.page-disclaimer .dl-sec__grid {
  display: grid;
  gap: var(--space-3);
}

.page-disclaimer .dl-sec__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.page-disclaimer .dl-sec__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  line-height: var(--leading-heading);
  font-size: clamp(var(--text-lg), 3.4vw, var(--text-xl));
  color: var(--color-ink);
}

.page-disclaimer .dl-sec__body {
  max-width: var(--dl-measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-disclaimer .dl-sec__body p {
  margin: 0;
}

.page-disclaimer .dl-sec__body p + p {
  margin-top: var(--space-3);
}

.page-disclaimer .dl-sec__body .mono {
  color: var(--color-ink);
}

.page-disclaimer .dl-sec__body .link-underline {
  color: var(--color-ink);
}

/* --- 斜切编号标签 --- */
.page-disclaimer .dl-num {
  display: inline-block;
  flex: 0 0 auto;
  padding: calc(var(--space-1) * 0.75) var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1;
  color: var(--color-primary-ink);
  background: var(--color-primary);
  clip-path: polygon(0.5em 0, 100% 0, calc(100% - 0.5em) 100%, 0 100%);
}

.page-disclaimer .dl-num--accent {
  background: var(--color-accent);
}

.page-disclaimer .dl-num--neon {
  background: var(--color-contrast-accent);
  color: var(--color-contrast-surface);
}

/* --- 暗区适配 --- */
.page-disclaimer .section--dark .dl-sec__title {
  color: var(--color-contrast-ink);
}

.page-disclaimer .section--dark .dl-sec__body {
  color: color-mix(in srgb, var(--color-contrast-ink) 74%, var(--color-contrast-surface));
}

/* --- 不提供服务清单 --- */
.page-disclaimer .dl-forbid-list {
  margin-top: var(--space-4);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-disclaimer .dl-forbid {
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-disclaimer .dl-forbid__sum {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  min-height: 44px;
  padding-block: var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 700;
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
  cursor: pointer;
  list-style: none;
  transition: color 150ms var(--dl-ease);
}

.page-disclaimer .dl-forbid__sum::-webkit-details-marker {
  display: none;
}

.page-disclaimer .dl-forbid__sum::marker {
  content: "";
}

.page-disclaimer .dl-forbid__sum::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  line-height: 1;
  color: var(--color-contrast-accent);
  transition: transform 150ms var(--dl-ease);
}

.page-disclaimer .dl-forbid[open] .dl-forbid__sum::after {
  content: "−";
}

.page-disclaimer .dl-forbid__sum:hover {
  color: var(--color-contrast-accent);
}

.page-disclaimer .dl-forbid__sum:focus-visible {
  outline: var(--border-thick) solid var(--color-contrast-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.page-disclaimer .dl-forbid__text {
  margin: 0;
  padding: 0 0 var(--space-3);
  max-width: var(--dl-measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 72%, var(--color-contrast-surface));
}

/* --- 桌面端 --- */
@media (min-width: 900px) {
  .page-disclaimer .dl-head {
    padding-block: var(--space-6) var(--space-8);
  }

  .page-disclaimer .dl-head__title {
    max-width: 16ch;
  }

  .page-disclaimer .dl-head__lede {
    max-width: 46ch;
    font-size: var(--text-lg);
    line-height: 1.45;
  }

  .page-disclaimer .dl-toc__list {
    flex-wrap: wrap;
    overflow-x: visible;
  }

  .page-disclaimer .dl-rule {
    margin-top: var(--space-6);
  }

  .page-disclaimer .dl-sec {
    scroll-margin-top: calc(var(--space-8) + var(--space-4));
  }

  .page-disclaimer .dl-sec__grid {
    grid-template-columns: minmax(0, 250px) minmax(0, 1fr);
    gap: var(--space-6) var(--space-8);
  }

  .page-disclaimer .dl-sec__head {
    display: block;
    position: sticky;
    top: calc(var(--space-8) + var(--space-4));
    align-self: start;
  }

  .page-disclaimer .dl-sec__head .dl-num {
    margin-bottom: var(--space-3);
  }
}

/* --- 降低动效偏好 --- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dl-toc__link,
  .page-disclaimer .dl-forbid__sum,
  .page-disclaimer .dl-forbid__sum::after {
    transition: none;
  }
}