/* ===== 隐私政策专属样式 · 移动端优先 ===== */
.page-privacy {
  --privacy-gold: var(--color-gold);
  --privacy-red: var(--color-red);
  --privacy-blue-dark: var(--color-blue-dark);
  --privacy-blue-deep: var(--color-blue-deep);
  --privacy-cream: var(--color-cream);
  --privacy-gray: var(--color-gray-rock);
  --privacy-white: var(--color-white);
  --privacy-font-heading: var(--font-heading);
  --privacy-font-body: var(--font-body);
  --privacy-radius: 12px;
  --privacy-gold-line-height: 3px;
  --privacy-index-width: 240px;
  --privacy-section-gap: 2.5rem;

  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-md) var(--space-md) var(--space-xl);
  background-color: var(--privacy-cream);
  color: #222;
  font-family: var(--privacy-font-body);
  line-height: 1.7;
}

/* 面包屑 */
.privacy-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--privacy-font-heading);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--privacy-gray);
  margin-bottom: var(--space-lg);
  padding: var(--space-sm) 0;
}
.privacy-breadcrumb a {
  color: var(--privacy-blue-dark);
  text-decoration: none;
  transition: color 0.2s;
}
.privacy-breadcrumb a:hover,
.privacy-breadcrumb a:focus-visible {
  color: var(--privacy-red);
  outline: 2px solid var(--privacy-gold);
  outline-offset: 2px;
  border-radius: 2px;
}
.privacy-breadcrumb .breadcrumb-sep {
  color: var(--privacy-gray);
  font-weight: 300;
}
.privacy-breadcrumb [aria-current="page"] {
  color: var(--privacy-red);
  font-weight: 600;
}

/* 顶部金色分隔线 + 标题区 */
.privacy-herald {
  margin-bottom: var(--space-xl);
  position: relative;
}
.herald-gold-line {
  width: 100%;
  height: var(--privacy-gold-line-height);
  background: linear-gradient(90deg, var(--privacy-gold) 0%, #e6b800 60%, transparent 100%);
  border-radius: 2px;
  margin-bottom: var(--space-lg);
}
.herald-title {
  font-family: var(--privacy-font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--privacy-blue-dark);
  margin: 0 0 var(--space-sm);
  line-height: 1.15;
  letter-spacing: -0.01em;
}
.herald-sub {
  font-family: var(--privacy-font-body);
  font-size: 0.95rem;
  color: #444;
  max-width: 680px;
  margin: 0 0 var(--space-lg);
  line-height: 1.6;
}
.herald-visual {
  overflow: hidden;
  border-radius: var(--privacy-radius);
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
}
.herald-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ===== 主体两列布局（移动端：单列） ===== */
.privacy-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

/* ===== 章节索引胶囊 ===== */
.privacy-index {
  flex-shrink: 0;
  background: var(--privacy-blue-dark);
  border-radius: var(--privacy-radius);
  padding: var(--space-md) var(--space-sm);
  box-shadow: 0 4px 20px rgba(26,42,74,0.2);
  order: -1;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: nowrap;
  gap: var(--space-xs);
  min-width: max-content;
}
.index-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: 50px;
  text-decoration: none;
  color: rgba(255,255,255,0.75);
  font-family: var(--privacy-font-heading);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.25s ease;
  white-space: nowrap;
  border: 1px solid transparent;
}
.index-link:hover,
.index-link:focus-visible {
  color: var(--privacy-white);
  background: rgba(241,196,15,0.18);
  border-color: var(--privacy-gold);
  outline: none;
}
.index-link:focus-visible {
  box-shadow: 0 0 0 3px rgba(241,196,15,0.4);
}
.index-num {
  font-weight: 700;
  color: var(--privacy-gold);
  font-size: 0.9rem;
  min-width: 1.4em;
  text-align: right;
}
.index-label {
  font-size: 0.82rem;
}

/* ===== 正文内容 ===== */
.privacy-content {
  flex: 1;
  min-width: 0;
}
.privacy-section {
  margin-bottom: var(--privacy-section-gap);
  scroll-margin-top: 90px;
}
.section-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  border-bottom: 1px solid rgba(138,155,168,0.25);
  padding-bottom: var(--space-sm);
}
.section-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(196,16,48,0.06);
  border-radius: 50%;
}
.section-icon svg {
  display: block;
}
.section-heading {
  font-family: var(--privacy-font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--privacy-blue-dark);
  margin: 0;
  line-height: 1.2;
}
.heading-roman {
  color: var(--privacy-red);
  font-weight: 800;
  margin-right: 0.3em;
  letter-spacing: 0.02em;
}

.section-body {
  font-size: 0.95rem;
  color: #2a2a2a;
}
.section-body p {
  margin: 0 0 var(--space-md);
}

/* 段落首字母放大 */
.dropcap::first-letter {
  float: left;
  font-size: 3.2rem;
  line-height: 0.85;
  font-weight: 700;
  color: var(--privacy-blue-dark);
  margin-right: 0.3rem;
  margin-top: 0.05rem;
  font-family: var(--privacy-font-heading);
  border: 1px solid rgba(26,42,74,0.1);
  padding: 0.1rem 0.3rem 0.05rem;
  border-radius: 4px;
  background: rgba(244,241,234,0.6);
}

/* 引用框 · 金色细线 */
.privacy-quote {
  margin: var(--space-lg) 0 var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-left: 3px solid var(--privacy-gold);
  background: rgba(241,196,15,0.045);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: var(--privacy-font-heading);
  font-size: 0.9rem;
  font-weight: 400;
  color: #3a3a3a;
  font-style: italic;
  line-height: 1.6;
  box-shadow: inset 0 1px 0 rgba(241,196,15,0.08), inset 0 -1px 0 rgba(241,196,15,0.08);
}

/* 内部链接 */
.internal-link {
  color: var(--privacy-red);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
  text-decoration-color: rgba(196,16,48,0.3);
  transition: all 0.2s;
  font-weight: 500;
}
.internal-link:hover,
.internal-link:focus-visible {
  color: var(--privacy-blue-dark);
  text-decoration-color: var(--privacy-gold);
  outline: 2px solid var(--privacy-gold);
  outline-offset: 2px;
  border-radius: 2px;
}

/* 底部行动区 */
.rights-cta {
  margin-top: var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  background: rgba(26,42,74,0.04);
  border-radius: var(--privacy-radius);
  border: 1px solid rgba(138,155,168,0.15);
  font-size: 0.9rem;
}

/* 章节页脚 */
.privacy-section-footer {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(138,155,168,0.2);
  text-align: center;
}
.footer-note {
  font-size: 0.82rem;
  color: var(--privacy-gray);
  max-width: 600px;
  margin: 0 auto var(--space-md);
  line-height: 1.5;
}
.footer-icp-note {
  font-size: 0.75rem;
  color: var(--privacy-gray);
  opacity: 0.7;
  margin-bottom: var(--space-md);
}

/* 返回顶部按钮 */
.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: var(--space-sm) var(--space-lg);
  background: var(--privacy-red);
  color: var(--privacy-white);
  font-family: var(--privacy-font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 50px;
  transition: all 0.25s ease;
  box-shadow: 0 2px 12px rgba(196,16,48,0.25);
  border: 1px solid transparent;
}
.back-to-top:hover,
.back-to-top:focus-visible {
  background: var(--privacy-blue-dark);
  box-shadow: 0 4px 20px rgba(26,42,74,0.3);
  transform: translateY(-2px);
  outline: 2px solid var(--privacy-gold);
  outline-offset: 3px;
}

/* ===== 桌面端媒体查询 ===== */
@media (min-width: 768px) {
  .page-privacy {
    padding: var(--space-lg) var(--space-xl) var(--space-2xl);
  }
  .herald-title {
    font-size: 3.2rem;
  }
  .herald-sub {
    font-size: 1.05rem;
  }
  .herald-visual {
    border-radius: 16px;
  }

  .privacy-body {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-xl);
  }

  .privacy-index {
    position: sticky;
    top: calc(var(--header-height) + var(--space-lg));
    width: var(--privacy-index-width);
    flex-shrink: 0;
    order: 0;
    padding: var(--space-lg) var(--space-md);
    border-radius: 18px;
    overflow: visible;
  }
  .index-list {
    flex-direction: column;
    gap: var(--space-xs);
    min-width: auto;
  }
  .index-link {
    padding: var(--space-sm) var(--space-md);
    border-radius: 8px;
    white-space: normal;
    font-size: 0.88rem;
    border: 1px solid transparent;
  }
  .index-link:hover,
  .index-link:focus-visible {
    background: rgba(241,196,15,0.15);
    border-color: var(--privacy-gold);
    padding-left: var(--space-lg);
  }
  .index-num {
    font-size: 1rem;
    min-width: 1.6em;
  }
  .index-label {
    font-size: 0.85rem;
  }

  .privacy-content {
    max-width: 760px;
  }

  .section-heading {
    font-size: 1.6rem;
  }
  .section-body {
    font-size: 1rem;
  }
  .dropcap::first-letter {
    font-size: 3.8rem;
    padding: 0.15rem 0.4rem 0.1rem;
  }
  .privacy-quote {
    font-size: 0.95rem;
    padding: var(--space-lg) var(--space-xl);
  }

  .back-to-top {
    font-size: 0.9rem;
    padding: var(--space-sm) var(--space-xl);
  }
}

/* ===== 大屏优化 ===== */
@media (min-width: 1200px) {
  .page-privacy {
    padding-left: calc((100vw - var(--max-width)) / 2 + var(--space-xl));
    padding-right: calc((100vw - var(--max-width)) / 2 + var(--space-xl));
  }
  .privacy-index {
    width: 260px;
    padding: var(--space-xl) var(--space-lg);
  }
  .privacy-content {
    max-width: 800px;
  }
  .herald-title {
    font-size: 3.6rem;
  }
}

/* ===== 辅助 · 焦点 & 减少动效 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-privacy *,
  .page-privacy *::before,
  .page-privacy *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
.page-privacy :focus-visible {
  outline: 2px solid var(--privacy-gold);
  outline-offset: 2px;
  border-radius: 4px;
}