.page-privacy {
  --page-bg: var(--color-bg-dark, #1a1a1a);
  --page-text: var(--color-text-light, #f5f5f5);
  --page-gold: var(--color-gold, #d4af37);
  --page-deep-red: var(--color-deep-red, #8b0000);
  --page-dark-gray: var(--color-dark-gray, #2f2f2f);
  --page-accent-yellow: var(--color-bright-yellow, #ffd700);
  --page-font-heading: var(--font-heading, Georgia, 'Times New Roman', serif);
  --page-font-body: var(--font-body, Arial, Helvetica, sans-serif);
  --page-content-max: 960px;
  --page-toc-width: 220px;
  --page-gap: 2.5rem;
  display: block;
  width: 100%;
  max-width: 100%;
  background: var(--page-bg);
  color: var(--page-text);
  font-family: var(--page-font-body);
  line-height: 1.7;
  padding: 2rem 1.25rem 3rem;
  box-sizing: border-box;
  margin: 0 auto;
}
.page-privacy .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.3rem;
  font-size: 0.85rem;
  color: rgba(245, 245, 245, 0.7);
  margin-bottom: 1.5rem;
  letter-spacing: 0.02em;
}
.page-privacy .breadcrumb a {
  color: var(--page-gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, color 0.25s ease;
}
.page-privacy .breadcrumb a:hover {
  border-bottom-color: var(--page-gold);
  color: var(--page-accent-yellow);
}
.page-privacy .breadcrumb span[aria-current="page"] {
  color: var(--page-text);
  opacity: 0.8;
}
/* hero 区 */
.page-privacy__hero {
  text-align: center;
  padding: 1.5rem 0 0.5rem;
  position: relative;
}
.page-privacy__shield {
  display: block;
  margin: 0 auto 1.25rem;
  width: 100px;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.3), 0 8px 24px rgba(0, 0, 0, 0.5);
  transition: box-shadow 0.4s ease;
}
.page-privacy__shield[data-reveal] {
  opacity: 0;
  transform: scale(0.92);
  animation: pagePrivacyReveal 0.7s ease forwards;
}
@keyframes pagePrivacyReveal {
  to { opacity: 1; transform: scale(1); }
}
.page-privacy__title {
  font-family: var(--page-font-heading);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--page-gold);
  margin: 0 0 0.4rem;
  letter-spacing: 0.06em;
  line-height: 1.2;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
}
.page-privacy__subtitle {
  font-family: var(--page-font-body);
  font-size: 1.05rem;
  font-weight: 400;
  color: rgba(245, 245, 245, 0.85);
  margin: 0 0 0.6rem;
  letter-spacing: 0.04em;
}
.page-privacy__desc {
  max-width: 700px;
  margin: 0.8rem auto 1rem;
  font-size: 0.95rem;
  color: rgba(245, 245, 245, 0.75);
  line-height: 1.65;
}
.page-privacy__meta {
  font-size: 0.8rem;
  color: rgba(245, 245, 245, 0.55);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
}
.page-privacy__meta-sep {
  opacity: 0.4;
}
.page-privacy__gold-bar {
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--page-gold), var(--page-accent-yellow));
  margin: 1.2rem auto 0;
  border-radius: 2px;
}
/* 布局：两栏 */
.page-privacy__layout {
  display: flex;
  flex-direction: column;
  gap: var(--page-gap);
  max-width: var(--page-content-max);
  margin: 2.5rem auto 0;
  padding: 0;
}
/* 目录侧栏 */
.page-privacy__toc {
  flex: 0 0 auto;
  width: 100%;
  background: rgba(47, 47, 47, 0.65);
  border: 1px solid rgba(212, 175, 55, 0.25);
  border-radius: 8px;
  padding: 1.25rem 1.25rem 1rem;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.page-privacy__toc-heading {
  font-family: var(--page-font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--page-gold);
  margin: 0 0 0.75rem;
  letter-spacing: 0.04em;
}
.page-privacy__toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.page-privacy__toc-list li {
  margin: 0;
  padding: 0;
}
.page-privacy__toc-list a {
  display: block;
  color: rgba(245, 245, 245, 0.8);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.4rem 0.6rem;
  border-radius: 4px;
  border-left: 3px solid transparent;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  font-variant-numeric: tabular-nums;
}
.page-privacy__toc-list a:hover,
.page-privacy__toc-list a:focus {
  background: rgba(212, 175, 55, 0.12);
  border-left-color: var(--page-gold);
  color: var(--page-gold);
}
/* 文章区 */
.page-privacy__articles {
  flex: 1 1 100%;
  min-width: 0;
}
/* 章节 */
.page-privacy__section {
  margin-bottom: 2.8rem;
  padding-top: 0.25rem;
}
.page-privacy__section-title {
  font-family: var(--page-font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--page-gold);
  margin: 0 0 0.6rem;
  letter-spacing: 0.03em;
  line-height: 1.3;
}
.page-privacy__gold-line {
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--page-gold), rgba(212, 175, 55, 0.15));
  margin: 0 0 1.25rem;
  border-radius: 1px;
}
.page-privacy__section p {
  margin: 0 0 1rem;
  font-size: 0.95rem;
  color: rgba(245, 245, 245, 0.82);
}
.page-privacy__list {
  list-style: none;
  margin: 0 0 1.2rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.page-privacy__list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.95rem;
  color: rgba(245, 245, 245, 0.82);
  line-height: 1.6;
}
.page-privacy__list li::before {
  content: "◆";
  position: absolute;
  left: 0;
  top: 0.1rem;
  color: var(--page-gold);
  font-size: 0.65rem;
  opacity: 0.7;
}
.page-privacy__list li strong {
  color: var(--page-accent-yellow);
  font-weight: 600;
}
.page-privacy__note {
  font-size: 0.85rem;
  color: rgba(245, 245, 245, 0.6);
  background: rgba(139, 0, 0, 0.15);
  border-left: 3px solid var(--page-deep-red);
  padding: 0.6rem 1rem;
  border-radius: 0 4px 4px 0;
  margin: 0 0 1rem;
}
/* 折叠详情 */
.page-privacy__detail {
  margin-top: 0.25rem;
  border-top: 1px solid rgba(212, 175, 55, 0.15);
  padding-top: 0.6rem;
}
.page-privacy__toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: none;
  border: 1px solid rgba(212, 175, 55, 0.3);
  color: var(--page-gold);
  font-family: var(--page-font-body);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.35rem 1rem 0.35rem 0.8rem;
  border-radius: 20px;
  cursor: pointer;
  transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}
.page-privacy__toggle:hover {
  background: rgba(212, 175, 55, 0.1);
  border-color: var(--page-gold);
}
.page-privacy__toggle[aria-expanded="true"] .page-privacy__arrow {
  transform: rotate(90deg);
}
.page-privacy__arrow {
  display: inline-block;
  transition: transform 0.25s ease;
  font-size: 0.8rem;
}
.page-privacy__detail-content {
  margin-top: 0.75rem;
  padding: 0.8rem 1rem;
  background: rgba(47, 47, 47, 0.5);
  border-radius: 6px;
  border: 1px solid rgba(212, 175, 55, 0.1);
  font-size: 0.9rem;
  color: rgba(245, 245, 245, 0.7);
  line-height: 1.65;
}
.page-privacy__detail-content p {
  margin: 0;
}
/* 尾部备注 */
.page-privacy__footer-note {
  margin-top: 1.5rem;
  padding: 1.25rem 1.5rem;
  background: rgba(47, 47, 47, 0.4);
  border-radius: 8px;
  border: 1px solid rgba(212, 175, 55, 0.12);
}
.page-privacy__footer-note p {
  margin: 0 0 0.4rem;
  font-size: 0.88rem;
  color: rgba(245, 245, 245, 0.7);
}
.page-privacy__footer-note a {
  color: var(--page-gold);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s ease;
}
.page-privacy__footer-note a:hover {
  color: var(--page-accent-yellow);
}
/* 返回首页链接 */
.page-privacy__back-link {
  max-width: var(--page-content-max);
  margin: 2rem auto 0;
  text-align: center;
}
.page-privacy__back-link a {
  display: inline-block;
  color: var(--page-gold);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.4rem 1rem;
  border: 1px solid rgba(212, 175, 55, 0.25);
  border-radius: 4px;
  transition: background 0.25s ease, border-color 0.25s ease;
}
.page-privacy__back-link a:hover {
  background: rgba(212, 175, 55, 0.1);
  border-color: var(--page-gold);
}

/* 桌面端媒体查询 */
@media (min-width: 768px) {
  .page-privacy {
    padding: 2.5rem 2rem 4rem;
  }
  .page-privacy__title {
    font-size: 3.2rem;
  }
  .page-privacy__subtitle {
    font-size: 1.2rem;
  }
  .page-privacy__layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 2.8rem;
    margin-top: 3rem;
  }
  .page-privacy__toc {
    position: sticky;
    top: 2.5rem;
    width: var(--page-toc-width);
    min-width: var(--page-toc-width);
    padding: 1.5rem 1.25rem;
    align-self: flex-start;
    flex-shrink: 0;
  }
  .page-privacy__toc-list {
    gap: 0.3rem;
  }
  .page-privacy__toc-list a {
    font-size: 0.9rem;
    padding: 0.35rem 0.5rem;
  }
  .page-privacy__articles {
    flex: 1 1 0;
    min-width: 0;
  }
  .page-privacy__section-title {
    font-size: 1.75rem;
  }
  .page-privacy__section p,
  .page-privacy__list li {
    font-size: 0.98rem;
  }
  .page-privacy__footer-note {
    padding: 1.5rem 2rem;
  }
  .page-privacy__footer-note p {
    font-size: 0.92rem;
  }
  .page-privacy__back-link {
    text-align: right;
  }
}

/* 大桌面端微调 */
@media (min-width: 1200px) {
  .page-privacy__layout {
    gap: 3.5rem;
  }
  .page-privacy__toc {
    width: 240px;
    min-width: 240px;
  }
  .page-privacy__title {
    font-size: 3.6rem;
  }
}

/* reduced-motion 兼容 */
@media (prefers-reduced-motion: reduce) {
  .page-privacy__shield[data-reveal] {
    opacity: 1;
    transform: none;
    animation: none;
  }
  .page-privacy__toggle,
  .page-privacy__arrow,
  .page-privacy__toc-list a,
  .page-privacy__back-link a,
  .page-privacy__footer-note a,
  .page-privacy .breadcrumb a {
    transition: none;
  }
}

/* 打印优化 */
@media print {
  .page-privacy {
    background: #fff;
    color: #222;
  }
  .page-privacy__shield {
    filter: grayscale(1);
    box-shadow: none;
  }
  .page-privacy__title,
  .page-privacy__section-title,
  .page-privacy__toc-heading,
  .page-privacy__toc-list a,
  .page-privacy__gold-line,
  .page-privacy__gold-bar,
  .page-privacy__meta,
  .page-privacy__back-link a {
    color: #222 !important;
    border-color: #aaa;
  }
  .page-privacy__toc {
    background: #f5f5f5;
    border-color: #ccc;
    backdrop-filter: none;
  }
  .page-privacy__detail {
    display: none;
  }
  .page-privacy__list li::before {
    color: #888;
  }
  .page-privacy__note {
    background: #f9f2f2;
    border-color: #c00;
    color: #444;
  }
  .page-privacy__footer-note {
    background: #f5f5f5;
    border-color: #ccc;
  }
  .page-privacy__footer-note a,
  .page-privacy .breadcrumb a {
    color: #555 !important;
  }
  .page-privacy__back-link {
    display: none;
  }
}