.page-privacy {
  --privacy-bg: var(--color-bg-deep, #1A1A2E);
  --privacy-text: var(--color-gray, #B0B0C0);
  --privacy-heading: var(--color-white, #FFFFFF);
  --privacy-accent: var(--color-orange, #FF6B35);
  --privacy-gold: var(--color-gold, #FFD700);
  --privacy-blue: var(--color-blue, #0B3B60);
  --privacy-warm: var(--color-bg-warm, #F5E6D0);
  --privacy-radius-lg: var(--radius-lg, 16px);
  --privacy-radius-pill: var(--radius-pill, 9999px);
  --privacy-transition: var(--transition, 250ms ease);
  --privacy-font-head: var(--font-head, 'Arial Black', 'Impact', sans-serif);
  --privacy-font-body: var(--font-body, Georgia, 'Times New Roman', serif);

  display: block;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
  background: var(--privacy-bg);
  color: var(--privacy-text);
  font-family: var(--privacy-font-body);
  line-height: 1.7;
  scroll-behavior: smooth;
}

/* 面包屑 */
.privacy-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  color: var(--privacy-text);
  font-family: var(--privacy-font-body);
}
.privacy-breadcrumb a {
  color: var(--privacy-accent);
  text-decoration: none;
  transition: color var(--privacy-transition);
}
.privacy-breadcrumb a:hover,
.privacy-breadcrumb a:focus-visible {
  color: var(--privacy-gold);
  text-decoration: underline;
}
.breadcrumb-sep {
  color: var(--privacy-text);
  font-size: 1.1em;
  user-select: none;
}
.privacy-breadcrumb [aria-current="page"] {
  color: var(--privacy-heading);
  font-weight: 600;
}

/* 顶部区域 */
.privacy-header {
  text-align: center;
  margin-bottom: 2.5rem;
  padding: 2rem 0 1.5rem;
  border-bottom: 2px solid rgba(255,107,53,0.2);
}
.privacy-lock-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 1.25rem;
}
.privacy-lock-icon {
  position: relative;
  width: 48px;
  height: 36px;
  background: var(--privacy-accent);
  border-radius: 8px;
  box-shadow: 0 0 0 4px rgba(255,107,53,0.15);
}
.privacy-lock-icon::before {
  content: '';
  position: absolute;
  top: -16px;
  left: 10px;
  width: 28px;
  height: 20px;
  border: 5px solid var(--privacy-accent);
  border-radius: 50% 50% 0 0;
  border-bottom: none;
  box-sizing: border-box;
}
.privacy-lock-icon::after {
  content: '';
  position: absolute;
  top: 12px;
  left: 18px;
  width: 12px;
  height: 12px;
  background: var(--privacy-bg);
  border-radius: 50%;
  box-shadow: inset 0 0 0 2px rgba(26,26,46,0.3);
}
.privacy-title {
  font-family: var(--privacy-font-head);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--privacy-heading);
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}
.privacy-subtitle {
  font-size: 1rem;
  color: var(--privacy-text);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.6;
}

/* 布局：移动端堆叠，桌面端两列 */
.privacy-layout {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* 目录 */
.privacy-toc {
  background: rgba(255,255,255,0.03);
  border-radius: var(--privacy-radius-lg);
  padding: 1.25rem 1rem;
  border: 1px solid rgba(255,107,53,0.12);
}
.toc-heading {
  font-family: var(--privacy-font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--privacy-heading);
  margin: 0 0 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255,107,53,0.2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.toc-link {
  display: inline-block;
  padding: 0.5rem 1.2rem;
  font-family: var(--privacy-font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--privacy-text);
  background: transparent;
  border: 1.5px solid rgba(255,107,53,0.25);
  border-radius: var(--privacy-radius-pill);
  text-decoration: none;
  transition: all var(--privacy-transition);
  white-space: nowrap;
}
.toc-link:hover,
.toc-link:focus-visible {
  background: var(--privacy-accent);
  color: var(--privacy-heading);
  border-color: var(--privacy-accent);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255,107,53,0.3);
}
.toc-link:active {
  transform: translateY(0);
}

/* 内容区域 */
.privacy-content {
  flex: 1;
  min-width: 0;
}

/* 每个章节 */
.privacy-section {
  margin-bottom: 0.5rem;
}

/* details 自定义 */
.privacy-details {
  display: block;
  border: none;
  background: transparent;
}
.privacy-details[open] {
  padding-bottom: 0.25rem;
}
.section-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  list-style: none;
  padding: 0.75rem 0;
  user-select: none;
  transition: background var(--privacy-transition);
  border-radius: 8px;
}
.section-summary::-webkit-details-marker {
  display: none;
}
.section-summary::marker {
  display: none;
  content: '';
}
.section-summary:hover {
  background: rgba(255,107,53,0.05);
}
.section-heading {
  font-family: var(--privacy-font-head);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--privacy-heading);
  margin: 0;
  letter-spacing: -0.01em;
}
.summary-indicator {
  display: inline-block;
  width: 20px;
  height: 20px;
  position: relative;
  flex-shrink: 0;
  margin-left: 1rem;
}
.summary-indicator::before,
.summary-indicator::after {
  content: '';
  position: absolute;
  background: var(--privacy-accent);
  border-radius: 2px;
  transition: transform var(--privacy-transition);
}
.summary-indicator::before {
  top: 9px;
  left: 2px;
  width: 16px;
  height: 2px;
}
.summary-indicator::after {
  top: 2px;
  left: 9px;
  width: 2px;
  height: 16px;
}
.privacy-details[open] .summary-indicator::after {
  transform: rotate(90deg);
  opacity: 0.5;
}

/* 章节内容 */
.section-body {
  padding: 0.75rem 0 1rem;
  animation: fadeSlideIn 320ms ease;
}
@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.section-body p {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  line-height: 1.8;
}
.section-body p:last-child {
  margin-bottom: 0;
}
.emphasis-note {
  background: rgba(255,107,53,0.08);
  border-left: 4px solid var(--privacy-accent);
  padding: 0.75rem 1rem;
  border-radius: 0 8px 8px 0;
  font-size: 0.95rem;
}

/* 列表样式 */
.privacy-list {
  margin: 0 0 1rem;
  padding: 0 0 0 1.25rem;
  list-style: none;
}
.privacy-list li {
  position: relative;
  padding: 0.4rem 0 0.4rem 1.5rem;
  font-size: 0.95rem;
  line-height: 1.7;
}
.privacy-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 8px;
  height: 8px;
  background: var(--privacy-accent);
  border-radius: 2px;
  opacity: 0.6;
}
.privacy-list li strong {
  color: var(--privacy-heading);
  font-weight: 600;
}

/* 分隔线 */
.section-divider {
  height: 3px;
  background: linear-gradient(90deg, var(--privacy-accent), rgba(255,107,53,0.15), transparent);
  border-radius: 2px;
  margin: 0.25rem 0 0.75rem;
  opacity: 0.7;
}

/* 图片容器 */
.storage-figure {
  margin: 1.25rem 0 0.5rem;
  border-radius: var(--privacy-radius-lg);
  overflow: hidden;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,107,53,0.1);
}
.storage-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 2 / 1;
}
.fig-caption {
  padding: 0.5rem 1rem 0.75rem;
  font-size: 0.8rem;
  color: var(--privacy-text);
  text-align: center;
  font-style: italic;
  opacity: 0.7;
}

/* 用户权利区域联系列表 */
.rights-contact {
  font-weight: 600;
  color: var(--privacy-heading);
  margin-top: 0.5rem;
}
.contact-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}
.contact-list li {
  font-size: 0.95rem;
  padding: 0.25rem 0;
}
.contact-list a {
  color: var(--privacy-accent);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--privacy-transition);
}
.contact-list a:hover,
.contact-list a:focus-visible {
  color: var(--privacy-gold);
  text-decoration: underline;
}

/* 底部链接 */
.privacy-footer-links {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,107,53,0.15);
}
.privacy-footer-links p {
  font-weight: 600;
  color: var(--privacy-heading);
  margin: 0 0 0.5rem;
  font-family: var(--privacy-font-head);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.privacy-footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
}
.privacy-footer-links a {
  color: var(--privacy-accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color var(--privacy-transition);
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
}
.privacy-footer-links a:hover,
.privacy-footer-links a:focus-visible {
  color: var(--privacy-gold);
  border-bottom-color: var(--privacy-gold);
}

/* 桌面端 */
@media (min-width: 768px) {
  .page-privacy {
    padding: 2rem 2rem 4rem;
  }
  .privacy-header {
    margin-bottom: 3rem;
    padding: 2.5rem 0 2rem;
  }
  .privacy-lock-icon {
    width: 56px;
    height: 42px;
    border-radius: 10px;
  }
  .privacy-lock-icon::before {
    top: -18px;
    left: 12px;
    width: 32px;
    height: 22px;
    border-width: 6px;
  }
  .privacy-lock-icon::after {
    top: 14px;
    left: 21px;
    width: 14px;
    height: 14px;
  }
  .privacy-title {
    font-size: 3.2rem;
  }
  .privacy-subtitle {
    font-size: 1.1rem;
  }

  .privacy-layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 2.5rem;
  }

  .privacy-toc {
    position: sticky;
    top: 2rem;
    width: 220px;
    flex-shrink: 0;
    padding: 1.5rem 1.25rem;
  }
  .toc-list {
    flex-direction: column;
    gap: 0.4rem;
  }
  .toc-link {
    display: block;
    white-space: normal;
    padding: 0.6rem 1.2rem;
    font-size: 0.95rem;
    border-width: 1.5px;
  }

  .privacy-content {
    flex: 1;
    min-width: 0;
  }

  .section-heading {
    font-size: 1.75rem;
  }
  .section-body p,
  .privacy-list li {
    font-size: 1rem;
  }

  .section-divider {
    margin: 0.5rem 0 1rem;
  }

  .storage-figure {
    max-width: 90%;
  }

  .contact-list {
    gap: 1rem 2rem;
  }

  .privacy-footer-links ul {
    gap: 1rem 2rem;
  }
}

@media (min-width: 1024px) {
  .page-privacy {
    padding: 2.5rem 2.5rem 5rem;
  }
  .privacy-toc {
    width: 250px;
    padding: 1.75rem 1.5rem;
  }
  .privacy-title {
    font-size: 4rem;
  }
  .section-heading {
    font-size: 2rem;
  }
  .storage-figure {
    max-width: 75%;
  }
}

/* 高对比度焦点样式 */
.toc-link:focus-visible,
.privacy-breadcrumb a:focus-visible,
.contact-list a:focus-visible,
.privacy-footer-links a:focus-visible {
  outline: 3px solid var(--privacy-gold);
  outline-offset: 3px;
}

/* 减少动效 */
@media (prefers-reduced-motion: reduce) {
  .page-privacy,
  .page-privacy *,
  .page-privacy *::before,
  .page-privacy *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}