.page-privacy {
  --color-hero-overlay: rgba(13,17,23,0.7);
  --color-section-alt-bg: rgba(22,27,34,0.5);
  --border-accent: 3px solid var(--color-primary);
  --icon-size: 56px;
}

/* 移动端优先 */
.page-privacy .breadcrumb {
  padding: var(--space-md) var(--space-lg);
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

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

.page-privacy .breadcrumb a:hover {
  text-decoration: underline;
}

.page-privacy .hero-section {
  position: relative;
  min-height: 30vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-bg);
  padding: var(--space-2xl) var(--space-lg);
}

.page-privacy .hero-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  z-index: 0;
  max-width: 100%;
  height: auto;
}

.page-privacy .hero-content {
  position: relative;
  z-index: 1;
  color: var(--color-text);
  max-width: var(--max-width);
  margin: 0 auto;
}

.page-privacy .hero-content .heading-1 {
  font-family: var(--font-heading);
  font-size: 48px;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
  text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
}

.page-privacy .hero-subtitle {
  font-size: 18px;
  line-height: 1.6;
  max-width: 640px;
  color: var(--color-text-secondary);
}

.page-privacy .hero-meta {
  color: var(--color-text-secondary);
  opacity: 0.7;
  margin-top: var(--space-md);
}

.page-privacy .section {
  padding: var(--space-2xl) var(--space-lg);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.page-privacy .section-dark {
  background: var(--color-surface);
}

.page-privacy .section-darker {
  background: var(--color-bg);
}

.page-privacy .content-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.page-privacy .content-grid.reversed {
  flex-direction: column-reverse;
}

.page-privacy .heading-2 {
  font-family: var(--font-heading);
  font-size: 28px;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: var(--border-accent);
  display: inline-block;
  color: var(--color-text);
}

.page-privacy .body-text {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
}

.page-privacy .body-text p {
  margin-bottom: var(--space-md);
}

.page-privacy .body-text ul {
  list-style: none;
  padding-left: 0;
}

.page-privacy .body-text ul li {
  padding: var(--space-sm) 0;
  border-bottom: 1px dashed var(--color-border);
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
}

.page-privacy .tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.page-privacy .tag-accent {
  background: var(--color-primary);
  color: var(--color-text);
}

.page-privacy .tag-success {
  background: var(--color-success);
  color: #000;
}

.page-privacy .aside-note {
  background: var(--color-section-alt-bg);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-accent);
}

.page-privacy .aside-note .text-small {
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.page-privacy .aside-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-privacy .shield-icon {
  width: var(--icon-size);
  height: var(--icon-size);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border-radius: 50%;
  font-size: 28px;
}

.page-privacy .contact-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  background: var(--color-surface);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-primary);
  margin-top: var(--space-md);
}

.page-privacy .contact-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.page-privacy .contact-link {
  color: var(--color-primary);
  text-decoration: underline;
  word-break: break-all;
}

.page-privacy .note {
  color: var(--color-text-secondary);
  opacity: 0.8;
  margin-top: var(--space-md);
  font-size: 14px;
}

.page-privacy .page-nav {
  padding: var(--space-xl) var(--space-lg);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-2xl);
}

.page-privacy .page-nav .heading-4 {
  font-family: var(--font-heading);
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

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

.page-privacy .page-nav .nav-link {
  color: var(--color-primary);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 15px;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.page-privacy .page-nav .nav-link:hover {
  background: var(--color-primary);
  color: var(--color-text);
}

/* 桌面端媒体查询（移动端优先） */
@media (min-width: 768px) {
  .page-privacy .hero-section {
    min-height: 40vh;
    padding: var(--space-3xl) var(--space-lg);
  }

  .page-privacy .hero-content .heading-1 {
    font-size: 64px;
  }

  .page-privacy .hero-subtitle {
    font-size: 20px;
  }

  .page-privacy .section {
    padding: var(--space-3xl) var(--space-lg);
  }

  .page-privacy .content-grid {
    flex-direction: row;
    gap: var(--space-2xl);
    align-items: flex-start;
  }

  .page-privacy .content-grid.reversed {
    flex-direction: row-reverse;
  }

  .page-privacy .content-grid > .body-text {
    flex: 2;
  }

  .page-privacy .content-grid > aside {
    flex: 1;
  }

  .page-privacy .heading-2 {
    font-size: 36px;
  }

  .page-privacy .body-text {
    font-size: 17px;
  }

  .page-privacy .contact-card {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .page-privacy .contact-item {
    flex: 1;
    min-width: 200px;
  }

  .page-privacy .page-nav .nav-list {
    flex-wrap: wrap;
  }
}

@media (min-width: 1024px) {
  .page-privacy .hero-section {
    min-height: 50vh;
    padding: var(--space-4xl) var(--space-lg);
  }

  .page-privacy .hero-content .heading-1 {
    font-size: 72px;
  }

  .page-privacy .container {
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
  }
}