/* ===== 隐私政策页面专属样式 ===== */
.page-privacy {
  --privacy-texture-size: 24px;
  --privacy-border-color: rgba(29, 53, 87, 0.15);
  --privacy-number-size: 3rem;
  --privacy-toc-width: 220px;
  --privacy-section-gap: 3rem;

  font-family: var(--font-body);
  color: var(--color-text);
  line-height: 1.7;
  background-color: var(--color-bg);
  /* 抽象点阵纹理 */
  background-image: radial-gradient(rgba(29, 53, 87, 0.04) 1px, transparent 1px);
  background-size: var(--privacy-texture-size) var(--privacy-texture-size);
}

/* 容器 */
.page-privacy__container {
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

/* 面包屑 */
.page-privacy__breadcrumb {
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}
.page-privacy__breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.page-privacy__breadcrumb a:hover,
.page-privacy__breadcrumb a:focus-visible {
  color: var(--color-primary);
}
.breadcrumb__sep {
  margin: 0 0.4rem;
  color: var(--color-border);
}

/* 顶部标题区 */
.page-privacy__hero {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  padding: 2rem 1.5rem;
  background: var(--color-card-bg);
  border: 2px solid var(--privacy-border-color);
  outline: 1px solid var(--color-accent);
  outline-offset: 4px;
  box-shadow: var(--shadow-card);
}
.page-privacy__hero-icon {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-secondary);
  border-radius: 50%;
  padding: 0.5rem;
}
.page-privacy__shield {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  filter: brightness(0) invert(1);
}
.page-privacy__hero-text {
  flex: 1;
  min-width: 0;
}
.page-privacy__title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--color-secondary);
  margin: 0 0 0.3rem;
}
.page-privacy__subtitle {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin: 0 0 0.3rem;
  line-height: 1.5;
}
.page-privacy__meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0;
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-bg);
  padding: 0.15rem 0.8rem;
  border-radius: 2px;
  font-weight: 600;
}

/* 主体布局：目录 + 内容 */
.page-privacy__layout {
  display: block;
}

/* ===== 侧边目录 (桌面) ===== */
.page-privacy__toc {
  display: none; /* 移动端隐藏 */
}
@media (min-width: 769px) {
  .page-privacy__layout {
    display: flex;
    gap: 2.5rem;
    align-items: flex-start;
  }
  .page-privacy__toc {
    display: block;
    flex: 0 0 var(--privacy-toc-width);
    position: sticky;
    top: 1.5rem;
    background: var(--color-secondary);
    padding: 1.5rem 1.25rem;
    box-shadow: var(--shadow-card);
    border-left: 4px solid var(--color-primary);
    max-height: calc(100vh - 3rem);
    overflow-y: auto;
  }
  .page-privacy__toc-inner {
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  .page-privacy__toc-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--color-bg);
    margin: 0 0 1rem;
    padding-bottom: 0.6rem;
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
    letter-spacing: 0.05em;
  }
  .page-privacy__toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
  }
  .page-privacy__toc-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    border-radius: 2px;
    transition: background var(--transition-fast), color var(--transition-fast);
    line-height: 1.3;
  }
  .page-privacy__toc-link:hover,
  .page-privacy__toc-link:focus-visible {
    background: rgba(230, 57, 70, 0.25);
    color: var(--color-bg);
  }
  .page-privacy__toc-link:active {
    background: var(--color-primary);
    color: var(--color-bg);
  }
  .page-privacy__toc-num {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.8rem;
    color: var(--color-accent);
    min-width: 1.6em;
    text-align: right;
  }

  /* 当前锚点高亮 (通过 :target 配合相邻) */
  .page-privacy__toc-link[href*="section-"]:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
  }
}

/* ===== 移动端目录 (水平滚动) ===== */
@media (max-width: 768px) {
  .page-privacy__toc {
    display: block;
    margin-bottom: 1.5rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    background: var(--color-card-bg);
    border: 1px solid var(--privacy-border-color);
    padding: 0.75rem 0;
  }
  .page-privacy__toc::-webkit-scrollbar {
    display: none;
  }
  .page-privacy__toc-inner {
    display: flex;
    flex-direction: column;
    padding: 0 1rem;
  }
  .page-privacy__toc-title {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin: 0 0 0.5rem;
    padding-bottom: 0.4rem;
    border-bottom: 2px solid var(--color-primary);
  }
  .page-privacy__toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
  }
  .page-privacy__toc-link {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
    color: var(--color-secondary);
    text-decoration: none;
    background: var(--color-bg);
    border: 1px solid var(--privacy-border-color);
    border-radius: 2px;
    white-space: nowrap;
    transition: background var(--transition-fast), border-color var(--transition-fast);
    line-height: 1.3;
  }
  .page-privacy__toc-link:hover,
  .page-privacy__toc-link:focus-visible {
    background: var(--color-primary);
    color: var(--color-bg);
    border-color: var(--color-primary);
  }
  .page-privacy__toc-num {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--color-accent);
  }
  .page-privacy__toc-link:hover .page-privacy__toc-num,
  .page-privacy__toc-link:focus-visible .page-privacy__toc-num {
    color: var(--color-bg);
  }
}

/* ===== 内容区 ===== */
.page-privacy__content {
  flex: 1;
  min-width: 0;
}

/* 导语 */
.page-privacy__intro {
  font-size: 1.05rem;
  color: var(--color-text);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
  background: var(--color-bg);
  border-left: 4px solid var(--color-primary);
  border-top: 1px solid var(--privacy-border-color);
  border-right: 1px solid var(--privacy-border-color);
  border-bottom: 1px solid var(--privacy-border-color);
  box-shadow: var(--shadow-card);
  line-height: 1.8;
}

/* ===== 章节卡片 ===== */
.page-privacy__section {
  margin-bottom: var(--privacy-section-gap);
  background: var(--color-bg);
  border: 2px solid var(--privacy-border-color);
  outline: 1px solid transparent;
  outline-offset: 3px;
  transition: outline-color var(--transition-base), box-shadow var(--transition-base);
  box-shadow: var(--shadow-card);
  position: relative;
}

/* :target 高亮 — 渐进增强的滚动反馈 */
.page-privacy__section:target {
  outline-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.15), var(--shadow-card-hover);
  border-color: var(--color-primary);
}
.page-privacy__section:target .page-privacy__section-header {
  background: rgba(230, 57, 70, 0.06);
}

/* 章节头部 */
.page-privacy__section-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: var(--color-card-bg);
  border-bottom: 2px solid var(--privacy-border-color);
  transition: background var(--transition-fast);
}
.page-privacy__section-number {
  font-family: var(--font-heading);
  font-size: var(--privacy-number-size);
  font-weight: 800;
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.35;
  flex-shrink: 0;
  letter-spacing: -0.03em;
}
.page-privacy__section-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-secondary);
  margin: 0;
  line-height: 1.2;
  padding-bottom: 2px;
  border-bottom: 3px solid var(--color-accent);
}

/* 章节正文 */
.page-privacy__section-body {
  padding: 1.25rem 1.5rem 1.5rem;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--color-text);
}
.page-privacy__section-body p {
  margin: 0 0 0.8rem;
}
.page-privacy__section-body p:last-child {
  margin-bottom: 0;
}

/* 通用列表 */
.page-privacy__list {
  margin: 0.6rem 0 1rem;
  padding-left: 1.4rem;
  list-style: none;
}
.page-privacy__list li {
  position: relative;
  padding-left: 0.6rem;
  margin-bottom: 0.4rem;
  line-height: 1.7;
}
.page-privacy__list li::before {
  content: "—";
  position: absolute;
  left: -1.2rem;
  color: var(--color-primary);
  font-weight: 700;
}
.page-privacy__list li strong {
  color: var(--color-secondary);
  font-weight: 700;
}

/* 联系信息列表 */
.page-privacy__contact-list {
  margin: 0.6rem 0 0.8rem;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.page-privacy__contact-list li {
  padding: 0.4rem 0.8rem;
  background: var(--color-card-bg);
  border-left: 3px solid var(--color-accent);
  font-size: 0.92rem;
  line-height: 1.6;
}
.page-privacy__contact-list a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.page-privacy__contact-list a:hover,
.page-privacy__contact-list a:focus-visible {
  color: var(--color-primary-dark);
  text-decoration: underline;
}
.page-privacy__note {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  padding: 0.6rem 0.8rem;
  background: rgba(244, 162, 97, 0.08);
  border-radius: 2px;
  margin-top: 0.4rem;
}

/* 底部链接 */
.page-privacy__footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 2px solid var(--privacy-border-color);
  justify-content: center;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.6rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-secondary);
  background: transparent;
  border: 2px solid var(--color-secondary);
  border-radius: 2px;
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  cursor: default;
  line-height: 1.4;
}
.btn-outline:hover,
.btn-outline:focus-visible {
  background: var(--color-secondary);
  color: var(--color-bg);
  border-color: var(--color-secondary);
}

/* ===== 响应式细化 ===== */
@media (max-width: 768px) {
  .page-privacy__container {
    padding: 1rem 0.75rem 2rem;
  }
  .page-privacy__hero {
    flex-direction: column;
    text-align: center;
    padding: 1.5rem 1rem;
    gap: 0.8rem;
  }
  .page-privacy__hero-icon {
    width: 60px;
    height: 60px;
    padding: 0.3rem;
  }
  .page-privacy__title {
    font-size: 1.6rem;
  }
  .page-privacy__subtitle {
    font-size: 0.9rem;
  }
  .page-privacy__section-header {
    padding: 0.75rem 1rem;
    gap: 0.7rem;
  }
  .page-privacy__section-number {
    font-size: 2rem;
  }
  .page-privacy__section-title {
    font-size: 1.05rem;
  }
  .page-privacy__section-body {
    padding: 0.9rem 1rem 1.25rem;
    font-size: 0.9rem;
  }
  .page-privacy__intro {
    font-size: 0.95rem;
    padding: 1rem 1.1rem;
  }
  .page-privacy__contact-list li {
    font-size: 0.88rem;
    padding: 0.35rem 0.6rem;
  }
  .page-privacy__footer-links {
    flex-direction: column;
    align-items: center;
  }
  .btn-outline {
    width: 100%;
    max-width: 280px;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .page-privacy__container {
    padding: 1.5rem 1.5rem 3rem;
  }
  .page-privacy__toc {
    flex-basis: 180px;
    padding: 1.2rem 1rem;
  }
  .page-privacy__toc-link {
    font-size: 0.82rem;
    padding: 0.4rem 0.5rem;
  }
  .page-privacy__section-number {
    font-size: 2.4rem;
  }
}

/* 打印样式优化 */
@media print {
  .page-privacy {
    background: none;
  }
  .page-privacy__container {
    max-width: 100%;
    padding: 0;
  }
  .page-privacy__toc {
    display: none;
  }
  .page-privacy__hero {
    outline: none;
    box-shadow: none;
    border: 1px solid #ccc;
  }
  .page-privacy__section {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ddd;
  }
  .page-privacy__section:target {
    outline: none;
    box-shadow: none;
  }
  .page-privacy__footer-links {
    display: none;
  }
}