.page-disclaimer {
  --color-chapter-number: #FFD166;
  --color-divider-start: #E63946;
  --color-divider-end: #1D3557;
  --color-chapter-border: rgba(230, 57, 70, 0.15);
  --color-bg-chapter: #FFFFFF;
  --color-text-muted: #6C757D;

  display: block;
  width: 100%;
  background-color: var(--color-bg-light, #F8F9FA);
  font-family: var(--font-body, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif);
  line-height: 1.7;
  color: var(--color-text-primary, #1A1A1A);
  padding: var(--spacing-xl, 2rem) 0 var(--spacing-3xl, 4rem);
}

.page-disclaimer .container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 var(--spacing-md, 1rem);
}

.page-disclaimer .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-xs, 0.25rem);
  font-size: var(--font-size-small, 0.875rem);
  color: var(--color-text-secondary, #6C757D);
  margin-bottom: var(--spacing-lg, 1.5rem);
}

.page-disclaimer .breadcrumb a {
  color: var(--color-primary, #E63946);
  text-decoration: none;
  transition: color var(--transition-fast, 0.2s ease);
}

.page-disclaimer .breadcrumb a:hover,
.page-disclaimer .breadcrumb a:focus-visible {
  color: var(--color-primary-hover, #c62d39);
  text-decoration: underline;
}

.page-disclaimer .breadcrumb .breadcrumb-sep {
  margin: 0 var(--spacing-xs, 0.25rem);
  user-select: none;
}

.page-disclaimer .breadcrumb .current {
  color: var(--color-text-muted);
  font-weight: 600;
}

/* Hero */
.page-disclaimer .disclaimer-hero {
  position: relative;
  border-radius: var(--radius-lg, 20px);
  overflow: hidden;
  margin-bottom: var(--spacing-2xl, 3rem);
  background-color: var(--color-bg-dark, #0B1A2A);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.page-disclaimer .disclaimer-hero-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 800 / 150;
  opacity: 0.7;
}

.page-disclaimer .disclaimer-hero-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-lg, 1.5rem);
  background: linear-gradient(135deg, rgba(13, 27, 45, 0.65) 0%, rgba(230, 57, 70, 0.35) 100%);
  text-align: center;
}

.page-disclaimer .disclaimer-title {
  font-family: var(--font-heading, Impact, 'Arial Black', sans-serif);
  font-size: var(--font-size-h1, clamp(2.4rem, 5vw, 4rem));
  color: var(--color-text-light, #FFFFFF);
  margin: 0 0 var(--spacing-xs, 0.25rem);
  line-height: 1.1;
  letter-spacing: 0.02em;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.page-disclaimer .disclaimer-subtitle {
  font-size: var(--font-size-body, 1rem);
  color: var(--color-accent, #FFD166);
  margin: 0;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

/* Chapters */
.page-disclaimer .disclaimer-chapters {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.page-disclaimer .disclaimer-chapter {
  display: flex;
  gap: var(--spacing-lg, 1.5rem);
  padding: var(--spacing-xl, 2rem) 0;
  scroll-margin-top: 80px;
}

.page-disclaimer .chapter-marker {
  flex-shrink: 0;
  width: 56px;
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  padding-top: var(--spacing-xs, 0.25rem);
}

.page-disclaimer .chapter-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading, Impact, 'Arial Black', sans-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-chapter-number);
  background: linear-gradient(135deg, #FFD166 0%, #f0b800 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.05em;
  line-height: 1;
}

.page-disclaimer .chapter-content {
  flex: 1;
  min-width: 0;
}

.page-disclaimer .chapter-heading {
  font-family: var(--font-heading, Impact, 'Arial Black', sans-serif);
  font-size: var(--font-size-h3, clamp(1.4rem, 2.5vw, 2.25rem));
  color: var(--color-secondary, #1D3557);
  margin: 0 0 var(--spacing-md, 1rem);
  line-height: 1.25;
  border-left: 4px solid var(--color-primary, #E63946);
  padding-left: var(--spacing-md, 1rem);
}

.page-disclaimer .chapter-text {
  font-size: var(--font-size-body, 1rem);
  color: var(--color-text-primary, #1A1A1A);
  margin: 0 0 var(--spacing-md, 1rem);
  max-width: 72ch;
}

.page-disclaimer .chapter-text:last-child {
  margin-bottom: 0;
}

/* Divider */
.page-disclaimer .chapter-divider {
  height: 2px;
  width: 100%;
  background: linear-gradient(90deg, var(--color-divider-start), var(--color-divider-end));
  border-radius: 2px;
  opacity: 0.4;
  margin: 0;
}

/* Footer note */
.page-disclaimer .disclaimer-footer-note {
  margin-top: var(--spacing-2xl, 3rem);
  padding: var(--spacing-lg, 1.5rem) var(--spacing-xl, 2rem);
  background-color: var(--color-bg-dark, #0B1A2A);
  border-radius: var(--radius-md, 12px);
  color: var(--color-text-light, #FFFFFF);
  text-align: center;
}

.page-disclaimer .disclaimer-footer-note .note-text {
  font-size: var(--font-size-small, 0.875rem);
  color: rgba(255, 255, 255, 0.8);
  margin: 0 0 var(--spacing-sm, 0.5rem);
  line-height: 1.6;
}

.page-disclaimer .disclaimer-footer-note .note-text:last-of-type {
  margin-bottom: var(--spacing-md, 1rem);
}

.page-disclaimer .disclaimer-footer-note a {
  color: var(--color-accent, #FFD166);
  text-decoration: underline;
  transition: color var(--transition-fast, 0.2s ease);
}

.page-disclaimer .disclaimer-footer-note a:hover,
.page-disclaimer .disclaimer-footer-note a:focus-visible {
  color: var(--color-accent-hover, #f0c04a);
  text-decoration: none;
}

.page-disclaimer .back-to-top {
  display: inline-block;
  font-size: var(--font-size-small, 0.875rem);
  color: var(--color-accent, #FFD166);
  text-decoration: none;
  padding: var(--spacing-xs, 0.25rem) var(--spacing-sm, 0.5rem);
  border: 1px solid var(--color-accent, #FFD166);
  border-radius: var(--radius-pill, 9999px);
  transition: background-color var(--transition-fast, 0.2s ease), color var(--transition-fast, 0.2s ease);
  line-height: 1.4;
}

.page-disclaimer .back-to-top:hover,
.page-disclaimer .back-to-top:focus-visible {
  background-color: var(--color-accent, #FFD166);
  color: var(--color-bg-dark, #0B1A2A);
}

/* ========== 移动端优先 (窄屏) ========== */
@media (max-width: 639px) {
  .page-disclaimer {
    padding: var(--spacing-md, 1rem) 0 var(--spacing-xl, 2rem);
  }

  .page-disclaimer .disclaimer-hero {
    border-radius: var(--radius-md, 12px);
    margin-bottom: var(--spacing-lg, 1.5rem);
  }

  .page-disclaimer .disclaimer-hero-overlay {
    padding: var(--spacing-md, 1rem);
  }

  .page-disclaimer .disclaimer-title {
    font-size: clamp(1.6rem, 6vw, 2.4rem);
  }

  .page-disclaimer .disclaimer-subtitle {
    font-size: var(--font-size-tiny, 0.75rem);
  }

  .page-disclaimer .disclaimer-chapter {
    flex-direction: column;
    gap: var(--spacing-sm, 0.5rem);
    padding: var(--spacing-lg, 1.5rem) 0;
  }

  .page-disclaimer .chapter-marker {
    width: auto;
    padding-top: 0;
    justify-content: flex-start;
  }

  .page-disclaimer .chapter-number {
    font-size: 1.2rem;
  }

  .page-disclaimer .chapter-heading {
    font-size: var(--font-size-h4, clamp(1.1rem, 1.8vw, 1.75rem));
    border-left-width: 3px;
    padding-left: var(--spacing-sm, 0.5rem);
  }

  .page-disclaimer .chapter-text {
    font-size: var(--font-size-small, 0.875rem);
  }

  .page-disclaimer .chapter-divider {
    height: 1.5px;
  }

  .page-disclaimer .disclaimer-footer-note {
    padding: var(--spacing-md, 1rem);
    margin-top: var(--spacing-lg, 1.5rem);
  }

  .page-disclaimer .disclaimer-footer-note .note-text {
    font-size: var(--font-size-tiny, 0.75rem);
  }
}

/* ========== 平板与桌面 ========== */
@media (min-width: 640px) {
  .page-disclaimer .container {
    padding: 0 var(--spacing-xl, 2rem);
  }

  .page-disclaimer .disclaimer-chapter {
    padding: var(--spacing-2xl, 3rem) 0;
  }

  .page-disclaimer .chapter-marker {
    width: 72px;
  }

  .page-disclaimer .chapter-number {
    font-size: 2rem;
  }

  .page-disclaimer .chapter-heading {
    font-size: var(--font-size-h3, clamp(1.4rem, 2.5vw, 2.25rem));
  }

  .page-disclaimer .disclaimer-footer-note {
    padding: var(--spacing-xl, 2rem) var(--spacing-2xl, 3rem);
  }

  .page-disclaimer .disclaimer-footer-note .note-text {
    font-size: var(--font-size-body, 1rem);
  }
}

/* ========== 大桌面 ========== */
@media (min-width: 1024px) {
  .page-disclaimer .container {
    max-width: 1000px;
  }

  .page-disclaimer .chapter-content {
    max-width: 780px;
  }
}