/* ===== 页面专属：使用说明与免责声明 ===== */
.page-disclaimer {
  --disclaimer-hero-bg: var(--color-cream);
  --disclaimer-gold-bg: #FEF3E2;
  --disclaimer-gold-border: var(--color-gold);
  --disclaimer-red-accent: var(--color-red);
  --disclaimer-blue-accent: var(--color-blue);
  --disclaimer-dark-text: var(--color-dark);
  --disclaimer-body-text: #2D3B45;
  --disclaimer-line-color: var(--color-grid);
  --disclaimer-number-size: clamp(2.5rem, 6vw, 4.5rem);
  --disclaimer-number-color: var(--color-red);
  --disclaimer-heading-size: clamp(1.25rem, 3vw, 1.75rem);
  --disclaimer-gap-y: 2rem;
  --disclaimer-section-py: 2.5rem;
}

/* ---------- 移动端优先 ---------- */
.page-disclaimer .container {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

/* 面包屑 */
.page-disclaimer .disclaimer-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem 0.5rem;
  font-size: var(--size-sm);
  font-family: var(--font-body);
  color: var(--disclaimer-body-text);
  margin-bottom: 1rem;
  padding-top: 1rem;
  opacity: 0.85;
}
.page-disclaimer .disclaimer-breadcrumb a {
  color: var(--disclaimer-blue-accent);
  text-decoration: none;
  transition: color var(--transition);
}
.page-disclaimer .disclaimer-breadcrumb a:hover,
.page-disclaimer .disclaimer-breadcrumb a:focus-visible {
  color: var(--disclaimer-red-accent);
  text-decoration: underline;
}
.page-disclaimer .breadcrumb-sep {
  color: var(--disclaimer-line-color);
  user-select: none;
}

/* 英雄区 */
.page-disclaimer .disclaimer-hero {
  background: var(--disclaimer-hero-bg);
  padding-bottom: 1.5rem;
}
.page-disclaimer .hero-image-wrap {
  width: 100%;
  border-radius: 0;
  overflow: hidden;
  margin-bottom: 1.25rem;
  background: var(--color-dark);
  aspect-ratio: 800 / 150;
}
.page-disclaimer .hero-banner {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}
.page-disclaimer .disclaimer-title {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  line-height: 1.2;
  color: var(--disclaimer-dark-text);
  margin: 0 0 0.5rem 0;
  letter-spacing: -0.02em;
}
.page-disclaimer .disclaimer-subtitle {
  font-family: var(--font-body);
  font-size: var(--size-base);
  line-height: 1.6;
  color: var(--disclaimer-body-text);
  margin: 0;
  max-width: 680px;
}

/* 章节通用 */
.page-disclaimer .disclaimer-section {
  padding-top: var(--disclaimer-section-py);
  padding-bottom: var(--disclaimer-section-py);
  background: var(--color-cream);
}
.page-disclaimer .section-header {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.page-disclaimer .section-number {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--disclaimer-number-size);
  line-height: 1;
  color: var(--disclaimer-number-color);
  flex-shrink: 0;
  letter-spacing: -0.03em;
  min-width: 2.2ch;
}
.page-disclaimer .section-heading {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--disclaimer-heading-size);
  line-height: 1.25;
  color: var(--disclaimer-dark-text);
  margin: 0;
  letter-spacing: -0.01em;
}
.page-disclaimer .section-body {
  font-family: var(--font-body);
  font-size: var(--size-base);
  line-height: 1.75;
  color: var(--disclaimer-body-text);
}
.page-disclaimer .section-body p {
  margin: 0 0 1rem 0;
}
.page-disclaimer .section-body p:last-child {
  margin-bottom: 0;
}
.page-disclaimer .section-body strong {
  font-weight: var(--weight-data);
  color: var(--disclaimer-dark-text);
}

/* 分隔线 */
.page-disclaimer .section-divider {
  width: 100%;
  height: 1px;
  background: var(--disclaimer-line-color);
  margin: 0 auto;
  max-width: var(--max-width);
  padding-left: 1rem;
  padding-right: 1rem;
  box-sizing: border-box;
}
.page-disclaimer .section-divider::before {
  content: '';
  display: block;
  height: 1px;
  background: var(--disclaimer-line-color);
  width: 100%;
}

/* 金色提示块 */
.page-disclaimer .callout {
  background: var(--disclaimer-gold-bg);
  border-left: 4px solid var(--disclaimer-gold-border);
  padding: 1rem 1.25rem;
  margin: 1.25rem 0;
  font-size: var(--size-sm);
  line-height: 1.7;
  border-radius: 0;
}
.page-disclaimer .callout p {
  margin: 0;
}
.page-disclaimer .callout strong {
  color: var(--disclaimer-dark-text);
}
.page-disclaimer .callout-icon {
  display: inline-block;
  margin-right: 0.375rem;
  font-size: 1.1em;
}
.page-disclaimer .callout-strong {
  border-left-width: 6px;
  border-left-color: var(--disclaimer-red-accent);
  background: #FEF0EF;
}

/* 联系方式列表 */
.page-disclaimer .contact-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.page-disclaimer .contact-list li {
  font-size: var(--size-base);
  line-height: 1.6;
  padding: 0.25rem 0;
  border-bottom: 1px solid var(--disclaimer-line-color);
}
.page-disclaimer .contact-list li:last-child {
  border-bottom: none;
}
.page-disclaimer .contact-list a {
  color: var(--disclaimer-blue-accent);
  text-decoration: none;
  transition: color var(--transition);
}
.page-disclaimer .contact-list a:hover,
.page-disclaimer .contact-list a:focus-visible {
  color: var(--disclaimer-red-accent);
  text-decoration: underline;
}
.page-disclaimer .contact-note {
  font-size: var(--size-sm);
  color: var(--disclaimer-body-text);
  opacity: 0.85;
  margin-top: 0.75rem;
  font-style: italic;
}

/* 相关链接按钮组 */
.page-disclaimer .related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--disclaimer-line-color);
}
.page-disclaimer .btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: var(--weight-data);
  font-size: var(--size-sm);
  padding: 0.625rem 1.5rem;
  background: var(--disclaimer-red-accent);
  color: var(--color-light);
  border: 2px solid var(--disclaimer-red-accent);
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
  cursor: pointer;
  white-space: nowrap;
  letter-spacing: 0.02em;
}
.page-disclaimer .btn-primary:hover,
.page-disclaimer .btn-primary:focus-visible {
  background: var(--color-hover);
  border-color: var(--color-hover);
  color: var(--color-light);
  transform: translateY(-1px);
}
.page-disclaimer .btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: var(--weight-body);
  font-size: var(--size-sm);
  padding: 0.625rem 1.5rem;
  background: transparent;
  color: var(--disclaimer-blue-accent);
  border: 2px solid var(--disclaimer-blue-accent);
  text-decoration: none;
  transition: background var(--transition), color var(--transition), transform var(--transition);
  cursor: pointer;
  white-space: nowrap;
  letter-spacing: 0.02em;
}
.page-disclaimer .btn-secondary:hover,
.page-disclaimer .btn-secondary:focus-visible {
  background: var(--disclaimer-blue-accent);
  color: var(--color-light);
  transform: translateY(-1px);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
  .page-disclaimer .disclaimer-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
  }
  .page-disclaimer .disclaimer-subtitle {
    font-size: var(--size-md);
  }
  .page-disclaimer .disclaimer-section {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }
  .page-disclaimer .section-header {
    gap: 1rem;
    margin-bottom: 1.5rem;
  }
  .page-disclaimer .section-body {
    font-size: var(--size-md);
  }
  .page-disclaimer .callout {
    padding: 1.25rem 1.75rem;
    font-size: var(--size-base);
  }
  .page-disclaimer .contact-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.25rem 1.5rem;
  }
  .page-disclaimer .contact-list li {
    border-bottom: none;
    padding: 0.5rem 0;
  }
  .page-disclaimer .related-links {
    flex-direction: row;
    gap: 1rem;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-disclaimer .container {
    padding-left: 3rem;
    padding-right: 3rem;
  }
  .page-disclaimer .disclaimer-hero {
    padding-bottom: 2rem;
  }
  .page-disclaimer .hero-image-wrap {
    aspect-ratio: 800 / 150;
  }
  .page-disclaimer .disclaimer-title {
    font-size: var(--size-3xl);
  }
  .page-disclaimer .disclaimer-subtitle {
    font-size: var(--size-lg);
    max-width: 720px;
  }
  .page-disclaimer .disclaimer-section {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }
  .page-disclaimer .section-header {
    gap: 1.25rem;
    margin-bottom: 2rem;
  }
  .page-disclaimer .section-body {
    font-size: var(--size-lg);
    max-width: 880px;
  }
  .page-disclaimer .callout {
    padding: 1.5rem 2rem;
    margin: 1.5rem 0;
  }
  .page-disclaimer .contact-list {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.5rem 2rem;
  }
  .page-disclaimer .related-links {
    margin-top: 2rem;
    padding-top: 1.5rem;
  }
  .page-disclaimer .btn-primary,
  .page-disclaimer .btn-secondary {
    padding: 0.75rem 2rem;
    font-size: var(--size-base);
  }
}

/* ---------- 宽屏微调 ---------- */
@media (min-width: 1280px) {
  .page-disclaimer .container {
    padding-left: 0;
    padding-right: 0;
  }
  .page-disclaimer .section-divider {
    padding-left: 0;
    padding-right: 0;
  }
  .page-disclaimer .section-body {
    max-width: 920px;
  }
}

/* ---------- 动效：渐进增强 ---------- */
@media (prefers-reduced-motion: no-preference) {
  .page-disclaimer .disclaimer-section {
    animation: disclaimerFadeIn 0.6s ease both;
  }
  .page-disclaimer .disclaimer-section:nth-child(2) { animation-delay: 0.05s; }
  .page-disclaimer .disclaimer-section:nth-child(4) { animation-delay: 0.1s; }
  .page-disclaimer .disclaimer-section:nth-child(6) { animation-delay: 0.15s; }
  .page-disclaimer .disclaimer-section:nth-child(8) { animation-delay: 0.2s; }

  @keyframes disclaimerFadeIn {
    from {
      opacity: 0;
      transform: translateY(12px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .page-disclaimer .callout {
    transition: box-shadow var(--transition);
  }
  .page-disclaimer .callout:hover {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  }
}

/* ---------- 打印优化 ---------- */
@media print {
  .page-disclaimer .hero-image-wrap {
    display: none !important;
  }
  .page-disclaimer .related-links {
    display: none !important;
  }
  .page-disclaimer .disclaimer-section {
    page-break-inside: avoid;
    padding-top: 1rem;
    padding-bottom: 1rem;
  }
  .page-disclaimer .section-divider {
    margin: 0.5rem auto;
  }
}