/* ===== 隐私政策页专属样式 (.page-privacy) ===== */
.page-privacy {
  --privacy-hero-h: 300px;
  --privacy-sidebar-w: 240px;
  --privacy-section-gap: 48px;
  --privacy-card-bg: rgba(255,255,255,0.04);
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-privacy .breadcrumb {
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding: 16px 24px 0;
  font-size: 14px;
  color: var(--text-secondary, #B0B0B0);
  font-family: var(--font-body, 'Inter','Helvetica Neue',sans-serif);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}
.page-privacy .breadcrumb a {
  color: var(--text-secondary, #B0B0B0);
  text-decoration: none;
  transition: color var(--transition, 0.3s ease);
}
.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible {
  color: var(--color-primary, #C8102E);
}
.page-privacy .breadcrumb .sep {
  color: var(--color-accent1, #B0B0B0);
  font-size: 12px;
}
.page-privacy .breadcrumb [aria-current="page"] {
  color: var(--color-primary, #C8102E);
  font-weight: 600;
}

/* ---------- 顶部横幅 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  width: 100%;
  height: var(--privacy-hero-h, 300px);
  overflow: hidden;
  margin: 0 auto 48px;
  max-width: var(--max-width, 1200px);
  border-radius: var(--radius, 8px);
  box-shadow: var(--shadow-card, 0 2px 12px rgba(0,0,0,0.15));
}
.page-privacy .privacy-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-privacy .privacy-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,26,26,0.82) 0%, rgba(26,26,26,0.30) 50%, rgba(127,63,191,0.25) 100%);
  z-index: 1;
}
.page-privacy .privacy-hero-content {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 32px 40px;
  color: var(--text-primary, #FFFFFF);
}
.page-privacy .privacy-hero-title {
  font-family: var(--font-heading, 'Inter','Helvetica Neue',sans-serif);
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 12px;
  color: #FFFFFF;
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
  position: relative;
  display: inline-block;
}
.page-privacy .privacy-hero-title::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary, #C8102E), var(--color-accent2, #7F3FBF));
  border-radius: 2px;
}
.page-privacy .privacy-hero-desc {
  font-family: var(--font-body, 'Inter','Helvetica Neue',sans-serif);
  font-size: 16px;
  line-height: 1.7;
  max-width: 720px;
  margin: 12px 0 0;
  opacity: 0.92;
  color: #FFFFFF;
  text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

/* ---------- 正文容器 ---------- */
.page-privacy .privacy-body {
  display: flex;
  flex-direction: column;
  gap: 32px;
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding: 0 24px 60px;
  font-family: var(--font-body, 'Inter','Helvetica Neue',sans-serif);
}

/* ---------- 侧边目录 (移动端：顶部横向滚动) ---------- */
.page-privacy .privacy-sidebar {
  flex-shrink: 0;
  width: 100%;
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius, 8px);
  border: 1px solid rgba(176,176,176,0.15);
  padding: 16px 20px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.page-privacy .privacy-sidebar-inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.page-privacy .privacy-sidebar-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary, #C8102E);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0;
  white-space: nowrap;
}
.page-privacy .privacy-toc {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 6px;
  flex-wrap: nowrap;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--color-accent1, #B0B0B0) transparent;
}
.page-privacy .privacy-toc::-webkit-scrollbar {
  height: 4px;
}
.page-privacy .privacy-toc::-webkit-scrollbar-thumb {
  background: var(--color-accent1, #B0B0B0);
  border-radius: 2px;
}
.page-privacy .privacy-toc li {
  flex-shrink: 0;
}
.page-privacy .privacy-toc-link {
  display: block;
  padding: 6px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary, #B0B0B0);
  text-decoration: none;
  border-radius: 20px;
  background: rgba(176,176,176,0.08);
  white-space: nowrap;
  transition: background var(--transition, 0.3s ease), color var(--transition, 0.3s ease), box-shadow var(--transition, 0.3s ease);
}
.page-privacy .privacy-toc-link:hover,
.page-privacy .privacy-toc-link:focus-visible {
  background: rgba(200,16,46,0.12);
  color: var(--color-primary, #C8102E);
  box-shadow: 0 0 0 1px rgba(200,16,46,0.25);
}
.page-privacy .privacy-toc-link:active {
  background: rgba(200,16,46,0.20);
  color: var(--color-primary, #C8102E);
}

/* ---------- 正文内容 ---------- */
.page-privacy .privacy-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--privacy-section-gap, 48px);
}

/* ---------- 章节卡片 ---------- */
.page-privacy .privacy-section {
  background: var(--privacy-card-bg, rgba(255,255,255,0.04));
  border-radius: var(--radius, 8px);
  padding: 28px 24px;
  border-left: 3px solid transparent;
  transition: border-color var(--transition, 0.3s ease), background var(--transition, 0.3s ease);
  scroll-margin-top: 32px;
}
.page-privacy .privacy-section:target {
  border-left-color: var(--color-primary, #C8102E);
  background: rgba(200,16,46,0.04);
}
.page-privacy .privacy-section-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}
.page-privacy .privacy-section-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.10));
}
.page-privacy .privacy-section-title {
  font-family: var(--font-heading, 'Inter','Helvetica Neue',sans-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary, #C8102E);
  margin: 0;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.page-privacy .privacy-section-body {
  color: rgba(255,255,255,0.88);
  font-size: 16px;
  line-height: 1.8;
}
.page-privacy .privacy-section-body p {
  margin: 0 0 16px;
}
.page-privacy .privacy-section-body p:last-child {
  margin-bottom: 0;
}
.page-privacy .privacy-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.page-privacy .privacy-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.7;
}
.page-privacy .privacy-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  background: linear-gradient(135deg, var(--color-primary, #C8102E), var(--color-accent2, #7F3FBF));
  border-radius: 50%;
  opacity: 0.70;
}
.page-privacy .privacy-list li strong {
  color: #FFFFFF;
  font-weight: 600;
}
.page-privacy .privacy-contact-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.page-privacy .privacy-contact-list li {
  font-size: 15px;
  line-height: 1.7;
  padding-left: 0;
  color: rgba(255,255,255,0.88);
}
.page-privacy .privacy-contact-list li strong {
  color: #FFFFFF;
  font-weight: 600;
  display: inline-block;
  min-width: 80px;
}
.page-privacy .privacy-link {
  color: var(--color-primary, #C8102E);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition, 0.3s ease), color var(--transition, 0.3s ease);
}
.page-privacy .privacy-link:hover,
.page-privacy .privacy-link:focus-visible {
  border-bottom-color: var(--color-primary, #C8102E);
  color: #e83a3a;
}
.page-privacy .privacy-note {
  font-size: 14px;
  color: var(--text-secondary, #B0B0B0);
  background: rgba(127,63,191,0.08);
  padding: 14px 18px;
  border-radius: 6px;
  border-left: 3px solid var(--color-accent2, #7F3FBF);
  margin: 18px 0 0;
}
.page-privacy .privacy-update {
  font-size: 14px;
  color: var(--text-secondary, #B0B0B0);
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(176,176,176,0.15);
}

/* ---------- 返回顶部按钮（通用，但此处确保在页面内样式正确） ---------- */
.page-privacy .back-to-top {
  position: fixed;
  bottom: 32px;
  right: 24px;
  z-index: 900;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary, #C8102E), var(--color-accent2, #7F3FBF));
  color: #FFFFFF;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.40);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px) scale(0.90);
  transition: opacity var(--transition, 0.3s ease), visibility var(--transition, 0.3s ease), transform var(--transition, 0.3s ease);
}
.page-privacy .back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}
.page-privacy .back-to-top:hover,
.page-privacy .back-to-top:focus-visible {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 6px 24px rgba(200,16,46,0.40);
}

/* ========== 桌面端媒体查询 (≥768px) ========== */
@media (min-width: 768px) {
  .page-privacy .privacy-hero-title {
    font-size: 48px;
  }
  .page-privacy .privacy-hero-desc {
    font-size: 18px;
  }
  .page-privacy .privacy-hero-content {
    padding: 40px 56px;
  }
  .page-privacy .privacy-body {
    flex-direction: row;
    align-items: flex-start;
    padding: 0 32px 80px;
    gap: 40px;
  }
  .page-privacy .privacy-sidebar {
    width: var(--privacy-sidebar-w, 240px);
    flex-shrink: 0;
    position: sticky;
    top: 24px;
    padding: 20px 0;
    background: transparent;
    border: none;
    overflow: visible;
  }
  .page-privacy .privacy-sidebar-inner {
    gap: 16px;
    padding: 20px 16px;
    background: rgba(255,255,255,0.03);
    border-radius: var(--radius, 8px);
    border: 1px solid rgba(176,176,176,0.12);
  }
  .page-privacy .privacy-sidebar-title {
    font-size: 13px;
    padding: 0 4px;
  }
  .page-privacy .privacy-toc {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
  }
  .page-privacy .privacy-toc-link {
    padding: 8px 14px;
    font-size: 14px;
    border-radius: 6px;
    background: transparent;
    white-space: normal;
    word-break: break-word;
    border-left: 3px solid transparent;
    transition: background var(--transition, 0.3s ease), color var(--transition, 0.3s ease), border-color var(--transition, 0.3s ease);
  }
  .page-privacy .privacy-toc-link:hover,
  .page-privacy .privacy-toc-link:focus-visible {
    background: rgba(200,16,46,0.08);
    border-left-color: var(--color-primary, #C8102E);
    box-shadow: none;
  }
  .page-privacy .privacy-toc-link:active {
    background: rgba(200,16,46,0.15);
  }
  .page-privacy .privacy-content {
    gap: 36px;
  }
  .page-privacy .privacy-section {
    padding: 36px 32px;
  }
  .page-privacy .privacy-section-title {
    font-size: 26px;
  }
  .page-privacy .privacy-section-body {
    font-size: 17px;
  }
  .page-privacy .privacy-list li,
  .page-privacy .privacy-contact-list li {
    font-size: 16px;
  }
  .page-privacy .back-to-top {
    bottom: 40px;
    right: 40px;
    width: 48px;
    height: 48px;
  }
}

/* ========== 宽屏 (≥1024px) ========== */
@media (min-width: 1024px) {
  .page-privacy .privacy-hero-title {
    font-size: 56px;
  }
  .page-privacy .privacy-hero-desc {
    font-size: 19px;
    max-width: 800px;
  }
  .page-privacy .privacy-hero-content {
    padding: 48px 72px;
  }
  .page-privacy .privacy-body {
    padding: 0 40px 100px;
    gap: 56px;
  }
  .page-privacy .privacy-sidebar {
    width: 260px;
  }
  .page-privacy .privacy-section {
    padding: 44px 40px;
  }
  .page-privacy .privacy-section-title {
    font-size: 28px;
  }
  .page-privacy .privacy-section-body {
    font-size: 18px;
  }
}

/* ========== 超大屏 (≥1440px) ========== */
@media (min-width: 1440px) {
  .page-privacy .privacy-hero {
    height: 340px;
  }
  .page-privacy .privacy-hero-title {
    font-size: 64px;
  }
  .page-privacy .privacy-sidebar {
    width: 280px;
  }
}