.page-disclaimer {
  --pd-bg-light: #F5F5F0;
  --pd-bg-card: #FFFFFF;
  --pd-bg-dark: #0B1A2E;
  --pd-gold: #D4A843;
  --pd-green: #39FF14;
  --pd-text-dark: #0B1A2E;
  --pd-text-secondary: #6E7B8B;
  --pd-border: #D4A843;
  --pd-font-mono: 'JetBrains Mono', monospace;
  --pd-font-heading: 'Noto Sans SC', sans-serif;
  --pd-font-body: 'Source Han Serif SC', 'Noto Serif SC', serif;

  display: block;
  background-color: var(--pd-bg-light);
  color: var(--pd-text-dark);
  font-family: var(--pd-font-body);
  line-height: 1.7;
  padding-bottom: 3rem;
}

/* 顶部图片 */
.page-disclaimer__banner {
  width: 100%;
  max-height: 400px;
  overflow: hidden;
  background-color: var(--pd-bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-disclaimer__banner-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  object-position: center 30%;
}

/* 主容器 */
.page-disclaimer__container {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.5rem 1rem;
  box-sizing: border-box;
}

/* 面包屑 */
.page-disclaimer .breadcrumb {
  font-size: 0.85rem;
  font-family: var(--pd-font-mono);
  color: var(--pd-text-secondary);
  margin-bottom: 1.5rem;
  letter-spacing: 0.02em;
}
.page-disclaimer .breadcrumb a {
  color: var(--pd-gold);
  text-decoration: none;
  transition: opacity 0.2s;
}
.page-disclaimer .breadcrumb a:hover {
  opacity: 0.7;
}
.page-disclaimer .breadcrumb__sep {
  margin: 0 0.5rem;
  color: var(--pd-text-secondary);
}
.page-disclaimer .breadcrumb [aria-current="page"] {
  color: var(--pd-text-dark);
  font-weight: 500;
}

/* 标题区 */
.page-disclaimer__title {
  font-family: var(--pd-font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--pd-bg-dark);
  margin: 0 0 0.5rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.page-disclaimer__subtitle {
  font-size: 1rem;
  color: var(--pd-text-secondary);
  margin: 0 0 2.5rem;
  max-width: 640px;
  line-height: 1.6;
}

/* 章节列表 */
.page-disclaimer__sections {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* 单个章节项 — 桌面端用 grid 两列 */
.page-disclaimer__section-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.5rem;
  align-items: start;
}

/* 编号 — 等宽 + 深底 + 点阵 */
.page-disclaimer__section-number {
  font-family: var(--pd-font-mono);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--pd-gold);
  background-color: var(--pd-bg-dark);
  background-image: radial-gradient(circle, rgba(212, 168, 67, 0.25) 1.2px, transparent 1.2px);
  background-size: 14px 14px;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  line-height: 1;
  user-select: none;
  flex-shrink: 0;
}

/* details 区域 */
.page-disclaimer__section-details {
  background-color: var(--pd-bg-card);
  border: 1px solid rgba(212, 168, 67, 0.25);
  border-radius: 4px;
  padding: 0;
  overflow: hidden;
  transition: box-shadow 0.2s;
}
.page-disclaimer__section-details:hover {
  box-shadow: 0 2px 12px rgba(11, 26, 46, 0.06);
}

/* summary — 可点击标题行 */
.page-disclaimer__section-summary {
  list-style: none;
  display: flex;
  align-items: center;
  padding: 1rem 1.25rem;
  cursor: pointer;
  font-family: var(--pd-font-heading);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--pd-bg-dark);
  background-color: var(--pd-bg-card);
  transition: background-color 0.2s;
  position: relative;
}
.page-disclaimer__section-summary::-webkit-details-marker {
  display: none;
}
.page-disclaimer__section-summary:hover {
  background-color: rgba(212, 168, 67, 0.05);
}
.page-disclaimer__section-summary::after {
  content: "▾";
  margin-left: auto;
  font-size: 1.2rem;
  color: var(--pd-gold);
  transition: transform 0.25s ease;
  font-family: var(--pd-font-mono);
}
.page-disclaimer__section-details[open] .page-disclaimer__section-summary::after {
  transform: rotate(-180deg);
}

/* 章节标题（h2） */
.page-disclaimer__section-heading {
  font-family: var(--pd-font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--pd-bg-dark);
  margin: 0;
  line-height: 1.4;
}

/* 正文区 */
.page-disclaimer__section-body {
  padding: 0 1.25rem 1.25rem;
  font-size: 0.95rem;
  color: var(--pd-text-dark);
  border-top: 1px solid rgba(212, 168, 67, 0.12);
}
.page-disclaimer__section-body p {
  margin: 0.85rem 0 0;
}
.page-disclaimer__section-body p:first-child {
  margin-top: 0.65rem;
}

/* 底部相关链接 */
.page-disclaimer__related {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(212, 168, 67, 0.25);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}
.page-disclaimer__related-label {
  font-family: var(--pd-font-mono);
  font-size: 0.85rem;
  color: var(--pd-text-secondary);
  letter-spacing: 0.03em;
  margin-right: 0.25rem;
}
.page-disclaimer .btn {
  display: inline-block;
  padding: 0.55rem 1.4rem;
  font-family: var(--pd-font-heading);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--pd-bg-dark);
  background-color: transparent;
  border: 1px solid var(--pd-gold);
  border-radius: 4px;
  text-decoration: none;
  transition: background-color 0.25s, color 0.25s, box-shadow 0.25s;
  cursor: pointer;
  box-shadow: none;
}
.page-disclaimer .btn:hover {
  background-color: var(--pd-gold);
  color: var(--pd-bg-dark);
  box-shadow: 0 2px 8px rgba(212, 168, 67, 0.3);
}

/* ===== 移动端适配 ===== */
@media (max-width: 768px) {
  .page-disclaimer__container {
    padding: 1.5rem 1rem 1rem;
  }
  .page-disclaimer__title {
    font-size: 1.6rem;
  }
  .page-disclaimer__subtitle {
    font-size: 0.9rem;
    margin-bottom: 1.8rem;
  }
  .page-disclaimer__section-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  .page-disclaimer__section-number {
    width: 56px;
    height: 56px;
    font-size: 1.8rem;
    background-size: 10px 10px;
  }
  .page-disclaimer__section-summary {
    padding: 0.75rem 1rem;
    font-size: 1rem;
  }
  .page-disclaimer__section-heading {
    font-size: 1rem;
  }
  .page-disclaimer__section-body {
    padding: 0 1rem 1rem;
    font-size: 0.9rem;
  }
  .page-disclaimer__related {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  .page-disclaimer .btn {
    width: 100%;
    text-align: center;
  }
}

/* 超小屏额外优化 */
@media (max-width: 480px) {
  .page-disclaimer__banner {
    max-height: 220px;
  }
  .page-disclaimer__title {
    font-size: 1.35rem;
  }
  .page-disclaimer__section-number {
    width: 44px;
    height: 44px;
    font-size: 1.4rem;
    background-size: 8px 8px;
  }
}