.page-disclaimer {
  --disclaimer-decor-primary: var(--color-primary, #0A3D91);
  --disclaimer-decor-accent: var(--color-accent, #FF6B35);
  --disclaimer-text-body: var(--color-text, #FFFFFF);
  --disclaimer-text-secondary: var(--color-text-secondary, #B0B8C5);
  --disclaimer-bg-card: rgba(10, 61, 145, 0.08);
  --disclaimer-border-glow: rgba(10, 61, 145, 0.25);
  --disclaimer-radius: var(--radius-md, 8px);
  --disclaimer-transition: var(--transition-speed, 0.3s);

  display: block;
  width: 100%;
  background-color: var(--color-bg, #0D1117);
  color: var(--disclaimer-text-body);
  font-family: var(--font-body, 'Roboto Condensed', Arial, sans-serif);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== 容器 ===== */
.page-disclaimer .disclaimer-container {
  max-width: var(--content-max-width, 1200px);
  margin: 0 auto;
  padding: var(--space-lg, 24px) var(--space-md, 16px) var(--space-3xl, 64px);
  position: relative;
}

/* ===== 顶部横幅 ===== */
.page-disclaimer .disclaimer-hero {
  position: relative;
  margin-bottom: var(--space-2xl, 48px);
  padding: var(--space-xl, 32px) 0 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg, 24px);
}

.page-disclaimer .disclaimer-hero-decor {
  position: absolute;
  top: 0;
  left: 0;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--disclaimer-decor-primary), transparent 70%);
  border-radius: 0 0 80px 0;
  opacity: 0.3;
  pointer-events: none;
}

.page-disclaimer .disclaimer-hero-content {
  position: relative;
  z-index: 1;
}

.page-disclaimer .disclaimer-badge {
  display: inline-block;
  font-family: var(--font-heading, 'Inter', system-ui, sans-serif);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--disclaimer-decor-accent);
  border: 1px solid var(--disclaimer-decor-accent);
  border-radius: var(--radius-sm, 4px);
  padding: 0.2em 0.8em;
  margin-bottom: var(--space-sm, 8px);
  opacity: 0.9;
}

.page-disclaimer .disclaimer-title {
  font-family: var(--font-heading, 'Inter', system-ui, sans-serif);
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.1;
  margin: 0 0 var(--space-xs, 4px);
  background: linear-gradient(135deg, var(--disclaimer-text-body) 60%, var(--disclaimer-decor-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.page-disclaimer .disclaimer-subtitle {
  font-size: 1rem;
  font-weight: 400;
  color: var(--disclaimer-text-secondary);
  margin: 0;
  line-height: 1.5;
  max-width: 480px;
}

.page-disclaimer .disclaimer-hero-visual {
  width: 100%;
  border-radius: var(--radius-lg, 16px);
  overflow: hidden;
  background: var(--disclaimer-bg-card);
  border: var(--glass-border, 1px solid rgba(255,255,255,0.08));
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

.page-disclaimer .disclaimer-hero-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 800 / 200;
}

/* ===== 引言 ===== */
.page-disclaimer .disclaimer-intro {
  margin-bottom: var(--space-2xl, 48px);
  padding: var(--space-md, 16px) 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.page-disclaimer .disclaimer-intro-text {
  font-size: 1rem;
  font-weight: 400;
  color: var(--disclaimer-text-secondary);
  margin: 0;
  max-width: 720px;
  line-height: 1.8;
}

/* ===== 章节列表 ===== */
.page-disclaimer .disclaimer-sections {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg, 24px);
  margin-bottom: var(--space-2xl, 48px);
}

/* ===== 单个章节 ===== */
.page-disclaimer .disclaimer-section {
  background: var(--disclaimer-bg-card);
  border-radius: var(--radius-lg, 16px);
  border: 1px solid rgba(255,255,255,0.05);
  overflow: hidden;
  transition: border-color var(--disclaimer-transition);
}

.page-disclaimer .disclaimer-section:hover {
  border-color: var(--disclaimer-border-glow);
}

.page-disclaimer .disclaimer-details {
  display: block;
}

.page-disclaimer .disclaimer-details[open] {
  /* 保持展开状态样式一致 */
}

.page-disclaimer .disclaimer-summary {
  display: flex;
  align-items: center;
  gap: var(--space-md, 16px);
  padding: var(--space-lg, 24px) var(--space-lg, 24px) var(--space-md, 16px);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background var(--disclaimer-transition);
}

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

.page-disclaimer .disclaimer-summary::marker {
  display: none;
  content: '';
}

.page-disclaimer .disclaimer-summary:hover {
  background: rgba(10, 61, 145, 0.06);
}

.page-disclaimer .section-number {
  font-family: var(--font-heading, 'Inter', system-ui, sans-serif);
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1;
  color: var(--disclaimer-decor-primary);
  opacity: 0.35;
  flex-shrink: 0;
  min-width: 2.2rem;
  transition: opacity var(--disclaimer-transition);
}

.page-disclaimer .disclaimer-summary:hover .section-number {
  opacity: 0.6;
}

.page-disclaimer .section-heading {
  font-family: var(--font-heading, 'Inter', system-ui, sans-serif);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.3;
  margin: 0;
  color: var(--disclaimer-text-body);
  flex: 1;
  letter-spacing: -0.01em;
}

.page-disclaimer .expand-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  color: var(--disclaimer-text-secondary);
  transition: transform var(--disclaimer-transition);
}

.page-disclaimer .disclaimer-details[open] .expand-icon {
  transform: rotate(180deg);
  color: var(--disclaimer-decor-accent);
}

.page-disclaimer .expand-icon svg {
  display: block;
  width: 16px;
  height: 16px;
}

/* ===== 详情内容 ===== */
.page-disclaimer .details-content {
  padding: 0 var(--space-lg, 24px) var(--space-lg, 24px);
  animation: disclaimerFadeIn 0.3s ease-out;
}

@keyframes disclaimerFadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-disclaimer .details-content p {
  margin: 0 0 var(--space-md, 16px);
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--disclaimer-text-secondary);
  max-width: 720px;
}

.page-disclaimer .details-content p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .details-content p strong {
  color: var(--disclaimer-text-body);
  font-weight: 600;
}

/* ===== 分隔装饰 ===== */
.page-disclaimer .disclaimer-divider {
  display: flex;
  align-items: center;
  gap: var(--space-md, 16px);
  margin: var(--space-2xl, 48px) 0;
  opacity: 0.4;
}

.page-disclaimer .divider-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--disclaimer-decor-primary) 30%, var(--disclaimer-decor-accent) 70%, transparent);
}

.page-disclaimer .divider-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--disclaimer-decor-accent);
  flex-shrink: 0;
  box-shadow: 0 0 8px var(--disclaimer-decor-accent);
}

/* ===== 相关链接 ===== */
.page-disclaimer .disclaimer-links {
  margin-bottom: var(--space-2xl, 48px);
  padding: var(--space-lg, 24px);
  background: var(--disclaimer-bg-card);
  border-radius: var(--radius-md, 8px);
  border: 1px solid rgba(255,255,255,0.05);
}

.page-disclaimer .links-heading {
  font-family: var(--font-heading, 'Inter', system-ui, sans-serif);
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 var(--space-md, 16px);
  color: var(--disclaimer-text-body);
  letter-spacing: 0.02em;
}

.page-disclaimer .links-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm, 8px) var(--space-md, 16px);
  margin-bottom: var(--space-md, 16px);
}

.page-disclaimer .links-item {
  font-family: var(--font-heading, 'Inter', system-ui, sans-serif);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--disclaimer-decor-primary);
  text-decoration: none;
  padding: 0.3em 0.6em;
  border-radius: var(--radius-sm, 4px);
  border: 1px solid rgba(10, 61, 145, 0.25);
  transition: all var(--disclaimer-transition);
}

.page-disclaimer .links-item:hover {
  color: var(--disclaimer-decor-accent);
  border-color: var(--disclaimer-decor-accent);
  background: rgba(255, 107, 53, 0.08);
  box-shadow: var(--neon-glow-accent, 0 0 14px rgba(255,107,53,0.6));
}

.page-disclaimer .links-item:focus-visible {
  outline: 2px solid var(--disclaimer-decor-accent);
  outline-offset: 2px;
}

.page-disclaimer .links-note {
  font-size: 0.85rem;
  color: var(--disclaimer-text-secondary);
  margin: 0;
  line-height: 1.6;
  opacity: 0.8;
}

/* ===== 底部说明 ===== */
.page-disclaimer .disclaimer-footer-note {
  padding: var(--space-md, 16px) 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  margin-top: var(--space-lg, 24px);
}

.page-disclaimer .footer-note-text {
  font-size: 0.82rem;
  color: var(--disclaimer-text-secondary);
  margin: 0;
  line-height: 1.7;
  opacity: 0.7;
  max-width: 640px;
}

/* ===== 返回顶部 ===== */
.page-disclaimer .back-to-top {
  position: fixed;
  bottom: var(--space-lg, 24px);
  right: var(--space-lg, 24px);
  z-index: 100;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs, 4px);
  padding: 0.6em 1em;
  font-family: var(--font-heading, 'Inter', system-ui, sans-serif);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--disclaimer-text-body);
  background: rgba(10, 61, 145, 0.6);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg, 16px);
  cursor: pointer;
  transition: all var(--disclaimer-transition);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
}

.page-disclaimer .back-to-top[data-visible] {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.page-disclaimer .back-to-top:hover {
  background: var(--disclaimer-decor-primary);
  border-color: var(--disclaimer-decor-accent);
  box-shadow: var(--neon-glow, 0 0 12px rgba(10,61,145,0.5)), 0 6px 24px rgba(0,0,0,0.5);
}

.page-disclaimer .back-to-top:focus-visible {
  outline: 2px solid var(--disclaimer-decor-accent);
  outline-offset: 2px;
}

.page-disclaimer .back-to-top svg {
  display: block;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.page-disclaimer .back-to-top-text {
  display: none;
}

/* ===== 桌面端 响应式 ===== */
@media (min-width: 768px) {
  .page-disclaimer .disclaimer-container {
    padding: var(--space-xl, 32px) var(--space-2xl, 48px) var(--space-3xl, 64px);
  }

  .page-disclaimer .disclaimer-hero {
    flex-direction: row;
    align-items: flex-end;
    gap: var(--space-2xl, 48px);
    padding: var(--space-2xl, 48px) 0 0;
  }

  .page-disclaimer .disclaimer-hero-decor {
    width: 140px;
    height: 140px;
    border-radius: 0 0 140px 0;
  }

  .page-disclaimer .disclaimer-hero-content {
    flex: 1;
  }

  .page-disclaimer .disclaimer-title {
    font-size: 3.6rem;
  }

  .page-disclaimer .disclaimer-subtitle {
    font-size: 1.15rem;
  }

  .page-disclaimer .disclaimer-hero-visual {
    flex: 0 0 340px;
    max-width: 420px;
  }

  .page-disclaimer .disclaimer-intro-text {
    font-size: 1.05rem;
  }

  .page-disclaimer .disclaimer-sections {
    gap: var(--space-xl, 32px);
  }

  .page-disclaimer .disclaimer-summary {
    padding: var(--space-xl, 32px) var(--space-xl, 32px) var(--space-md, 16px);
  }

  .page-disclaimer .details-content {
    padding: 0 var(--space-xl, 32px) var(--space-xl, 32px);
  }

  .page-disclaimer .section-number {
    font-size: 2rem;
    min-width: 3rem;
  }

  .page-disclaimer .section-heading {
    font-size: 1.4rem;
  }

  .page-disclaimer .details-content p {
    font-size: 1rem;
  }

  .page-disclaimer .disclaimer-links {
    padding: var(--space-xl, 32px);
  }

  .page-disclaimer .links-heading {
    font-size: 1.1rem;
  }

  .page-disclaimer .links-item {
    font-size: 0.95rem;
    padding: 0.4em 0.9em;
  }

  .page-disclaimer .back-to-top {
    bottom: var(--space-xl, 32px);
    right: var(--space-xl, 32px);
    padding: 0.7em 1.2em;
  }

  .page-disclaimer .back-to-top-text {
    display: inline;
  }

  .page-disclaimer .back-to-top svg {
    width: 16px;
    height: 16px;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .disclaimer-container {
    padding: var(--space-2xl, 48px) var(--space-3xl, 64px) var(--space-3xl, 64px);
  }

  .page-disclaimer .disclaimer-hero-content {
    max-width: 580px;
  }

  .page-disclaimer .disclaimer-title {
    font-size: 4.2rem;
  }

  .page-disclaimer .disclaimer-hero-visual {
    flex: 0 0 400px;
    max-width: 500px;
  }

  .page-disclaimer .disclaimer-intro {
    padding-left: 0;
  }

  .page-disclaimer .disclaimer-intro-text {
    font-size: 1.1rem;
    max-width: 800px;
  }

  .page-disclaimer .disclaimer-sections {
    display: grid;
    grid-template-columns: 1fr;
    max-width: 880px;
  }

  .page-disclaimer .section-number {
    font-size: 2.2rem;
  }

  .page-disclaimer .section-heading {
    font-size: 1.5rem;
  }
}

/* ===== 窄屏微调 ===== */
@media (max-width: 420px) {
  .page-disclaimer .disclaimer-container {
    padding-left: var(--space-sm, 8px);
    padding-right: var(--space-sm, 8px);
  }

  .page-disclaimer .disclaimer-title {
    font-size: 1.8rem;
  }

  .page-disclaimer .disclaimer-summary {
    padding: var(--space-md, 16px) var(--space-md, 16px) var(--space-sm, 8px);
  }

  .page-disclaimer .details-content {
    padding: 0 var(--space-md, 16px) var(--space-md, 16px);
  }

  .page-disclaimer .section-number {
    font-size: 1.3rem;
    min-width: 1.8rem;
  }

  .page-disclaimer .section-heading {
    font-size: 1.05rem;
  }

  .page-disclaimer .disclaimer-links {
    padding: var(--space-md, 16px);
  }
}