.page-privacy {
  position: relative;
  overflow-x: hidden;
  background: var(--c-fog);
  color: var(--c-ink);
}

.page-privacy .privacy-top-anchor {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
}

/* 章节进度导航 */
.page-privacy .privacy-progress {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 20px;
  background: var(--c-ink);
  overflow-x: auto;
  scrollbar-width: none;
}

.page-privacy .privacy-progress::-webkit-scrollbar {
  display: none;
}

.page-privacy .privacy-progress__item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  text-decoration: none;
  white-space: nowrap;
  min-height: 28px;
  flex: 0 0 auto;
}

.page-privacy .privacy-progress__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--grad-orange);
  box-shadow: 0 0 0 3px rgba(255, 106, 0, 0.12);
}

.page-privacy .privacy-progress__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--c-faint);
  transition: color var(--transition);
}

.page-privacy .privacy-progress__item:hover .privacy-progress__label {
  color: var(--c-white);
}

.page-privacy .privacy-progress__line {
  width: 16px;
  height: 1px;
  flex: 0 0 auto;
  background: rgba(255, 255, 255, 0.24);
}

/* 面包屑 */
.page-privacy .page-privacy__breadcrumb {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 20px 0;
  background: var(--c-white);
}

/* 页头 */
.page-privacy .page-privacy__head {
  max-width: 1200px;
  margin: 0 auto;
  padding: 36px 20px 28px;
  background: var(--c-white);
}

.page-privacy .page-head__title {
  font-family: var(--font-headline);
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 14px 0 14px;
  color: var(--c-ink);
}

.page-privacy .page-head__desc {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--c-muted);
  max-width: 680px;
  margin: 0 0 12px;
}

.page-privacy .page-head__meta {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--c-faint);
  margin: 0;
}

/* 首屏主图 */
.page-privacy .privacy-hero {
  margin: 0 20px 40px;
  padding: 14px;
  background: var(--grad-blue);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-float);
}

.page-privacy .privacy-hero__media {
  aspect-ratio: 2 / 1;
  border-radius: calc(var(--radius-lg) - 6px);
  overflow: hidden;
  background: var(--c-fog);
}

.page-privacy .privacy-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 文档网格 */
.page-privacy .privacy-doc {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 20px 72px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

/* 侧边目录 */
.page-privacy .privacy-toc {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow-soft);
  scroll-margin-top: 24px;
}

.page-privacy .privacy-toc__title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin: 0 0 14px;
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-privacy .privacy-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--c-ink);
  text-decoration: none;
  font-size: 0.9375rem;
  line-height: 1.5;
  transition: background var(--transition), color var(--transition);
}

.page-privacy .privacy-toc__list a:hover {
  background: var(--c-fog);
  color: var(--c-blue);
}

.page-privacy .privacy-toc__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--c-orange);
  flex: 0 0 auto;
}

.page-privacy .privacy-related {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--c-border);
}

.page-privacy .privacy-related__title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--c-muted);
  margin: 0 0 8px;
}

.page-privacy .privacy-related__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-privacy .privacy-related__list a {
  color: var(--c-blue);
  text-decoration: none;
  font-size: 0.875rem;
  padding: 4px 0;
}

.page-privacy .privacy-related__list a:hover {
  color: var(--c-orange);
}

/* 文档正文 */
.page-privacy .privacy-doc__main {
  min-width: 0;
  display: grid;
  gap: 40px;
}

.page-privacy .privacy-section {
  scroll-margin-top: 100px;
}

.page-privacy .privacy-section__title {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-headline);
  font-size: 1.5rem;
  line-height: 1.3;
  color: var(--c-ink);
  margin: 0 0 14px;
}

.page-privacy .privacy-section__line {
  width: 4px;
  height: 26px;
  border-radius: 999px;
  background: var(--grad-blue);
  flex: 0 0 auto;
}

.page-privacy .privacy-section:target .privacy-section__line {
  background: var(--grad-orange);
}

.page-privacy .privacy-section__lead {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--c-muted);
  margin: 0 0 20px;
  padding-left: 18px;
  border-left: 2px solid var(--c-border);
}

.page-privacy .privacy-section__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .privacy-section__list li {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-left: 3px solid var(--c-blue);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  box-shadow: var(--shadow-soft);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.page-privacy .privacy-section__list li:hover {
  box-shadow: var(--shadow-float);
  transform: translateY(-2px);
  border-left-color: var(--c-orange);
}

.page-privacy .privacy-section__list strong {
  display: block;
  font-family: var(--font-headline);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--c-ink);
  margin-bottom: 6px;
}

.page-privacy .privacy-section__list span {
  display: block;
  color: var(--c-muted);
  font-size: 0.9375rem;
  line-height: 1.8;
}

/* 底部联系模块 */
.page-privacy .privacy-contact {
  background: var(--c-ink);
  color: var(--c-white);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: 56px 20px 88px;
}

.page-privacy .privacy-contact__inner {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.page-privacy .privacy-contact__title {
  font-family: var(--font-headline);
  font-size: 1.75rem;
  line-height: 1.3;
  margin: 18px 0 14px;
}

.page-privacy .privacy-contact__text {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9375rem;
  line-height: 1.85;
  margin: 0 0 28px;
}

.page-privacy .privacy-contact__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 18px;
}

.page-privacy .privacy-contact__link {
  color: var(--c-orange-soft);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition);
}

.page-privacy .privacy-contact__link:hover {
  color: var(--c-white);
}

/* 返回顶部 */
.page-privacy .privacy-backtop {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: 50%;
  box-shadow: var(--shadow-float);
  color: var(--c-blue);
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition), color var(--transition);
}

.page-privacy .privacy-backtop:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 50px rgba(26, 30, 38, 0.16);
  color: var(--c-orange);
}

/* 桌面端布局 */
@media (min-width: 768px) {
  .page-privacy .privacy-progress {
    justify-content: center;
    padding: 13px 24px;
    overflow: visible;
  }

  .page-privacy .privacy-progress__line {
    width: 40px;
  }
}

@media (min-width: 1024px) {
  .page-privacy .page-privacy__breadcrumb {
    padding: 24px 24px 0;
  }

  .page-privacy .page-privacy__head {
    padding: 56px 24px 40px;
  }

  .page-privacy .page-head__desc {
    font-size: 1.125rem;
  }

  .page-privacy .privacy-hero {
    max-width: 1200px;
    margin: 0 auto 64px;
  }

  .page-privacy .privacy-doc {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 56px;
    padding: 56px 24px 96px;
  }

  .page-privacy .privacy-doc__sidebar {
    min-width: 0;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 120px;
  }

  .page-privacy .privacy-doc__main {
    gap: 56px;
  }

  .page-privacy .privacy-section__title {
    font-size: 1.75rem;
  }

  .page-privacy .privacy-section__list {
    gap: 16px;
  }

  .page-privacy .privacy-contact {
    padding: 72px 24px 104px;
  }

  .page-privacy .privacy-contact__title {
    font-size: 2.25rem;
  }

  .page-privacy .privacy-backtop {
    right: 28px;
    bottom: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-section__list li,
  .page-privacy .privacy-backtop,
  .page-privacy .privacy-toc__list a {
    transition: none;
  }
}