/* ===== 页面专属 CSS – 使用说明 ===== */
.page-disclaimer {
  --disc-primary: #0B1A3A;
  --disc-accent: #D4AF37;
  --disc-surface: #112240;
  --disc-bg: #060E1E;
  --disc-text: #E2E8F0;
  --disc-text-secondary: #94A3B8;
  --disc-border: #1E3A5F;
  --disc-radius: 8px;
  --disc-gap: 1.5rem;
  --disc-max-width: 1280px;

  display: block;
  width: 100%;
  max-width: var(--disc-max-width);
  margin: 0 auto;
  padding: 2rem var(--disc-gap) 4rem;
  background: var(--disc-bg);
  color: var(--disc-text);
  font-family: var(--font-body, 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif);
  line-height: 1.7;
  box-sizing: border-box;
}

/* 左右布局容器 */
.disclaimer-layout {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* ===== 左侧文档区 ===== */
.disclaimer-doc {
  flex: 1 1 100%;
  min-width: 0;
}

/* 面包屑 */
.disclaimer-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  font-size: 0.875rem;
  color: var(--disc-text-secondary);
}

.breadcrumb-link {
  color: var(--disc-accent);
  text-decoration: none;
  transition: opacity 0.2s;
}

.breadcrumb-link:hover {
  opacity: 0.75;
}

.breadcrumb-sep {
  color: var(--disc-border);
  font-size: 0.75rem;
}

.breadcrumb-current {
  color: var(--disc-text-secondary);
  font-weight: 400;
}

/* 主标题 */
.disclaimer-header {
  margin-bottom: 2.5rem;
}

.disclaimer-title {
  font-family: var(--font-heading, 'Orbitron', 'Noto Sans SC', sans-serif);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--disc-text);
  margin: 0 0 0.5rem;
  letter-spacing: 0.02em;
}

.disclaimer-subtitle {
  font-size: 1rem;
  color: var(--disc-text-secondary);
  margin: 0 0 1.25rem;
  max-width: 48em;
}

.disclaimer-header-line {
  width: 4rem;
  height: 3px;
  background: var(--disc-accent);
  border-radius: 2px;
  opacity: 0.6;
}

/* ===== 章节通用 ===== */
.disclaimer-sections {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.disclaimer-section {
  display: flex;
  gap: 1.25rem;
  padding: 0.75rem 0;
  transition: background 0.25s ease, box-shadow 0.25s ease;
  border-radius: var(--disc-radius);
  margin: 0 -0.75rem;
  padding: 0.75rem;
}

.disclaimer-section:hover {
  background: rgba(212, 175, 55, 0.05);
  box-shadow: inset 0 0 0 1px rgba(212, 175, 55, 0.12);
}

/* 编号标记 */
.section-marker {
  flex: 0 0 3.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding-top: 0.15rem;
}

.section-num {
  font-family: var(--font-heading, 'Orbitron', 'Noto Sans SC', sans-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--disc-accent);
  line-height: 1;
  opacity: 0.85;
  text-shadow: 0 0 12px rgba(212, 175, 55, 0.15);
}

.section-num-line {
  width: 2px;
  flex: 1;
  min-height: 2rem;
  background: linear-gradient(180deg, var(--disc-accent) 0%, transparent 80%);
  opacity: 0.3;
  border-radius: 1px;
}

/* 章节正文 */
.section-body {
  flex: 1;
  min-width: 0;
}

.section-title {
  font-family: var(--font-heading, 'Orbitron', 'Noto Sans SC', sans-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--disc-text);
  margin: 0 0 0.75rem;
  letter-spacing: 0.01em;
}

.section-text {
  margin: 0 0 0.75rem;
  color: var(--disc-text-secondary);
  font-size: 0.975rem;
  max-width: 56em;
}

.section-text:last-of-type {
  margin-bottom: 0.5rem;
}

.doc-link {
  color: var(--disc-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  text-decoration-color: rgba(212, 175, 55, 0.35);
  transition: text-decoration-color 0.2s;
}

.doc-link:hover {
  text-decoration-color: var(--disc-accent);
}

/* 分隔线 */
.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--disc-accent) 0%, var(--disc-border) 60%, transparent 100%);
  opacity: 0.25;
  margin-top: 1rem;
}

/* 底部声明 */
.disclaimer-footer-note {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--disc-border);
}

.footer-note-text {
  font-size: 0.9rem;
  color: var(--disc-text-secondary);
  margin: 0;
}

/* ===== 右侧边栏 ===== */
.disclaimer-sidebar {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  padding: 0;
  border-top: 1px solid var(--disc-border);
  padding-top: 1.75rem;
}

/* 警示图 */
.sidebar-icon-box {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.sidebar-icon {
  width: 80px;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  filter: drop-shadow(0 0 18px rgba(91, 45, 142, 0.25));
}

.sidebar-icon-caption {
  font-size: 0.8rem;
  color: var(--disc-text-secondary);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  opacity: 0.7;
}

/* 章节索引 */
.sidebar-toc-title {
  font-family: var(--font-heading, 'Orbitron', 'Noto Sans SC', sans-serif);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--disc-accent);
  margin: 0 0 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.sidebar-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toc-link {
  display: block;
  padding: 0.4rem 0.6rem;
  font-size: 0.9rem;
  color: var(--disc-text-secondary);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: all 0.2s ease;
  border-radius: 0 4px 4px 0;
}

.toc-link:hover {
  color: var(--disc-accent);
  border-left-color: var(--disc-accent);
  background: rgba(212, 175, 55, 0.06);
  padding-left: 0.9rem;
}

/* 重要提示 */
.sidebar-notice {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.9rem 1rem;
  background: rgba(212, 175, 55, 0.06);
  border: 1px solid rgba(212, 175, 55, 0.15);
  border-radius: var(--disc-radius);
}

.notice-dot {
  flex: 0 0 8px;
  width: 8px;
  height: 8px;
  margin-top: 0.45rem;
  background: var(--disc-accent);
  border-radius: 50%;
  opacity: 0.7;
  box-shadow: 0 0 8px rgba(212, 175, 55, 0.2);
}

.notice-text {
  margin: 0;
  font-size: 0.825rem;
  color: var(--disc-text-secondary);
  line-height: 1.6;
}

/* ===== 桌面端布局 ===== */
@media (min-width: 768px) {
  .page-disclaimer {
    padding: 3rem 2.5rem 5rem;
  }

  .disclaimer-layout {
    flex-direction: row;
    gap: 3rem;
  }

  .disclaimer-doc {
    flex: 1 1 68%;
    max-width: 68%;
  }

  .disclaimer-sidebar {
    flex: 0 0 26%;
    max-width: 26%;
    border-top: none;
    padding-top: 0;
    position: sticky;
    top: 8rem;
    align-self: flex-start;
    height: auto;
  }

  .sidebar-icon {
    width: 100px;
  }

  .disclaimer-title {
    font-size: 3rem;
  }

  .section-num {
    font-size: 3rem;
  }

  .section-marker {
    flex-basis: 4rem;
  }

  .section-title {
    font-size: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .disclaimer-doc {
    flex: 1 1 72%;
    max-width: 72%;
  }

  .disclaimer-sidebar {
    flex: 0 0 22%;
    max-width: 22%;
  }

  .sidebar-icon {
    width: 120px;
  }
}

/* ===== 滚动与动画渐进增强 ===== */
[data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

[data-reveal][data-revealed] {
  opacity: 1;
  transform: translateY(0);
}

/* 如果JS未执行，内容保持可见 */
[data-reveal] {
  opacity: 1;
  transform: none;
}

[data-reveal][data-revealed] {
  opacity: 1;
  transform: none;
}

/* 窄屏间距优化 */
@media (max-width: 480px) {
  .page-disclaimer {
    padding: 1.25rem 1rem 3rem;
  }

  .disclaimer-title {
    font-size: 1.75rem;
  }

  .section-num {
    font-size: 2rem;
  }

  .section-marker {
    flex-basis: 2.5rem;
  }

  .section-title {
    font-size: 1.15rem;
  }

  .section-text {
    font-size: 0.925rem;
  }

  .sidebar-icon {
    width: 64px;
  }
}