/* ===== 页面专属：隐私政策 ===== */
.page-privacy {
  --privacy-divider-gradient: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
  --privacy-badge-size: 48px;
  --privacy-content-max: 820px;

  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: var(--lh-body);
  padding-top: var(--space-lg);
  padding-bottom: var(--space-2xl);
  position: relative;
}

/* 容器继承共享 .container，此处仅作微调 */
.page-privacy .container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
  position: relative;
}

/* ---------- 面包屑 ---------- */
.page-privacy .breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-small);
  font-family: var(--font-nav);
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border-light);
}

.page-privacy .breadcrumb-link {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.page-privacy .breadcrumb-link:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.page-privacy .breadcrumb-separator {
  color: var(--color-text-secondary);
  font-weight: 300;
}

.page-privacy .breadcrumb-current {
  color: var(--color-text);
  font-weight: 600;
}

/* ---------- 页面标题 ---------- */
.page-privacy .page-header {
  margin-bottom: var(--space-xl);
}

.page-privacy .page-title {
  font-family: var(--font-heading);
  font-size: var(--fs-h1);
  font-weight: 700;
  font-style: italic;
  color: var(--color-text);
  margin: 0 0 var(--space-xs) 0;
  padding-bottom: var(--space-sm);
  border-bottom: 4px solid var(--color-primary);
  display: inline-block;
  letter-spacing: -0.02em;
}

.page-privacy .page-subtitle {
  font-size: var(--fs-body);
  color: var(--color-text-secondary);
  margin: var(--space-sm) 0 0 0;
  font-weight: 400;
}

.page-privacy .title-rule {
  height: 2px;
  background: var(--privacy-divider-gradient);
  width: 80px;
  margin-top: var(--space-md);
  border-radius: 2px;
}

/* ---------- 引言 ---------- */
.page-privacy .intro-section {
  margin-bottom: var(--space-2xl);
  padding: var(--space-lg);
  background: linear-gradient(135deg, rgba(0,85,255,0.04) 0%, rgba(255,107,53,0.04) 100%);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.page-privacy .intro-text {
  font-size: calc(var(--fs-body) * 1.05);
  line-height: 1.75;
  color: var(--color-text);
  margin: 0;
  max-width: var(--privacy-content-max);
}

/* ---------- 章节容器 ---------- */
.page-privacy .privacy-chapters {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* ---------- 单个章节 ---------- */
.page-privacy .privacy-chapter {
  padding: var(--space-lg) 0;
  position: relative;
}

.page-privacy .chapter-head {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.page-privacy .chapter-badge {
  flex-shrink: 0;
  width: var(--privacy-badge-size);
  height: var(--privacy-badge-size);
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  font-family: var(--font-heading);
  font-size: calc(var(--privacy-badge-size) * 0.45);
  font-weight: 700;
  font-style: italic;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  box-shadow: 0 2px 8px rgba(0,85,255,0.2);
  transition: transform var(--transition-smooth);
}

.page-privacy .privacy-chapter:hover .chapter-badge {
  transform: scale(1.05);
}

.page-privacy .chapter-title {
  font-family: var(--font-heading);
  font-size: var(--fs-h2);
  font-weight: 700;
  font-style: italic;
  color: var(--color-text);
  margin: 0;
  padding-bottom: calc(var(--space-xs) * 0.5);
  border-bottom: 3px solid var(--color-primary);
  display: inline-block;
}

/* ---------- 章节内容 ---------- */
.page-privacy .chapter-body {
  padding-left: calc(var(--privacy-badge-size) + var(--space-md));
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--color-text);
  overflow: hidden;
  transition: max-height var(--transition-smooth), opacity var(--transition-smooth);
  max-height: 2000px;
  opacity: 1;
}

/* 折叠状态（通过 data-expandable 和 JS 控制） */
.page-privacy .chapter-body[data-expandable][data-state="collapsed"] {
  max-height: 0;
  opacity: 0;
  padding-top: 0;
  padding-bottom: 0;
  margin-bottom: 0;
}

/* 图文混排章节 */
.page-privacy .chapter-body--with-media {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.page-privacy .body-text {
  flex: 1 1 0;
  min-width: 0;
}

.page-privacy .body-media {
  flex-shrink: 0;
  width: 150px;
  padding-top: var(--space-sm);
}

.page-privacy .shield-icon {
  display: block;
  width: 100%;
  height: auto;
  max-width: 150px;
  border-radius: var(--radius-md);
  background: var(--color-bg);
  object-fit: contain;
}

/* ---------- 列表样式 ---------- */
.page-privacy .info-list {
  list-style: none;
  margin: var(--space-md) 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.page-privacy .info-list li {
  position: relative;
  padding-left: 1.5em;
  line-height: 1.7;
}

.page-privacy .info-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

/* 高亮文字 */
.page-privacy .highlight-accent {
  color: var(--color-accent);
  font-weight: 600;
}

/* 附注文字 */
.page-privacy .note-text {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  background: var(--color-border-light);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  margin-top: var(--space-md);
}

/* ---------- 折叠按钮 ---------- */
.page-privacy .fold-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
  margin-left: calc(var(--privacy-badge-size) + var(--space-md));
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--fs-tiny);
  font-family: var(--font-nav);
  font-weight: 500;
  color: var(--color-text-secondary);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  letter-spacing: 0.3px;
}

.page-privacy .fold-toggle:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: rgba(0,85,255,0.04);
}

.page-privacy .fold-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.page-privacy .fold-icon {
  display: inline-block;
  font-size: 1.2em;
  line-height: 1;
  transition: transform var(--transition-fast);
}

/* 当内容折叠时，按钮图标旋转（由 JS 控制状态） */
.page-privacy .fold-toggle[aria-expanded="false"] .fold-icon {
  transform: rotate(-90deg);
}

/* ---------- 章节分隔渐变条 ---------- */
.page-privacy .chapter-divider {
  height: 2px;
  background: var(--privacy-divider-gradient);
  opacity: 0.35;
  border-radius: 2px;
  margin: var(--space-sm) 0;
}

/* ---------- 用户权利网格 ---------- */
.page-privacy .rights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin: var(--space-md) 0 var(--space-sm) 0;
}

.page-privacy .rights-item {
  text-align: center;
  padding: var(--space-md) var(--space-sm);
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.page-privacy .rights-item:hover {
  box-shadow: 0 4px 16px rgba(0,85,255,0.08);
  transform: translateY(-2px);
}

.page-privacy .rights-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-text-on-primary);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  font-style: italic;
  margin-bottom: var(--space-sm);
  box-shadow: 0 2px 8px rgba(0,85,255,0.25);
}

.page-privacy .rights-label {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  font-weight: 600;
  font-style: italic;
  color: var(--color-primary);
  margin: 0 0 var(--space-xs) 0;
}

.page-privacy .rights-desc {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  line-height: 1.55;
  margin: 0;
}

/* ---------- 底部相关链接 ---------- */
.page-privacy .related-links {
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
}

.page-privacy .related-divider {
  height: 3px;
  background: var(--privacy-divider-gradient);
  border-radius: 3px;
  margin-bottom: var(--space-md);
  opacity: 0.5;
}

.page-privacy .related-heading {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  font-weight: 700;
  font-style: italic;
  color: var(--color-text);
  margin: 0 0 var(--space-md) 0;
}

.page-privacy .related-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.page-privacy .related-link {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  font-family: var(--font-nav);
  font-size: var(--fs-small);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
  letter-spacing: 0.3px;
}

.page-privacy .related-link:hover {
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  border-color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(0,85,255,0.25);
}

.page-privacy .related-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* ---------- 速度线装饰（淡出） ---------- */
.page-privacy .speed-lines {
  position: relative;
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
  margin-top: var(--space-2xl);
  padding: var(--space-lg) 0;
  opacity: 0.15;
  pointer-events: none;
}

.page-privacy .speed-line {
  display: block;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}

.page-privacy .speed-line:nth-child(1) {
  width: 60px;
  opacity: 0.6;
}
.page-privacy .speed-line:nth-child(2) {
  width: 100px;
  opacity: 0.4;
}
.page-privacy .speed-line:nth-child(3) {
  width: 140px;
  opacity: 0.25;
}
.page-privacy .speed-line:nth-child(4) {
  width: 180px;
  opacity: 0.1;
}

/* ============================================= */
/* 响应式：移动端优先                            */
/* ============================================= */

/* 默认（窄屏）布局 */
@media (max-width: 767px) {
  .page-privacy .page-title {
    font-size: calc(var(--fs-h1) * 0.85);
  }

  .page-privacy .chapter-body {
    padding-left: 0;
  }

  .page-privacy .chapter-head {
    flex-wrap: wrap;
    gap: var(--space-sm);
  }

  .page-privacy .chapter-badge {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }

  .page-privacy .chapter-title {
    font-size: calc(var(--fs-h2) * 0.85);
  }

  .page-privacy .chapter-body--with-media {
    flex-direction: column;
  }

  .page-privacy .body-media {
    width: 100%;
    display: flex;
    justify-content: center;
    padding-top: var(--space-md);
  }

  .page-privacy .shield-icon {
    max-width: 120px;
  }

  .page-privacy .rights-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .page-privacy .rights-item {
    padding: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    text-align: left;
  }

  .page-privacy .rights-icon {
    width: 44px;
    height: 44px;
    font-size: 1.2rem;
    margin-bottom: 0;
    flex-shrink: 0;
  }

  .page-privacy .rights-label {
    font-size: calc(var(--fs-h3) * 0.9);
    margin-bottom: var(--space-xs);
  }

  .page-privacy .fold-toggle {
    margin-left: 0;
    width: 100%;
    justify-content: center;
  }

  .page-privacy .related-list {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .page-privacy .related-link {
    width: 100%;
    text-align: center;
  }

  .page-privacy .intro-section {
    padding: var(--space-md);
  }

  .page-privacy .speed-lines {
    justify-content: center;
  }
}

/* 桌面端增强 */
@media (min-width: 768px) {
  .page-privacy .container {
    padding: 0 var(--space-xl);
  }

  .page-privacy .chapter-body {
    padding-right: var(--space-lg);
  }

  .page-privacy .rights-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-privacy .fold-toggle {
    transition: all var(--transition-smooth);
  }
}

/* 超大桌面保持内容区宽度舒适 */
@media (min-width: 1200px) {
  .page-privacy .privacy-chapters {
    max-width: var(--privacy-content-max);
  }

  .page-privacy .related-links {
    max-width: var(--privacy-content-max);
  }
}