.page-privacy {
  --privacy-paper-line: rgba(26, 21, 17, 0.14);
  --privacy-paper-tint: #ebe1cf;
}

/* 首屏 */
.page-privacy .privacy-hero {
  position: relative;
  padding: 48px 0 56px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-hero__media {
  position: absolute;
  inset: 0;
  opacity: 0.22;
  pointer-events: none;
}

.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.65) contrast(1.05);
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 860px;
}

.page-privacy .privacy-hero__kicker {
  margin: 0 0 14px;
  font: 600 12px/1.4 var(--font-mono);
  letter-spacing: 0.16em;
  color: var(--caramel);
}

.page-privacy .privacy-hero__title {
  margin: 0 0 20px;
  font: 900 clamp(2.6rem, 6vw, 4.4rem)/1.06 var(--font-narrow);
  letter-spacing: -0.02em;
  color: var(--paper-hi);
}

.page-privacy .privacy-hero__lede {
  margin: 0 0 28px;
  max-width: 660px;
  font: 400 17px/1.8 var(--font-sans);
  color: var(--cyan-soft);
}

.page-privacy .privacy-hero__points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: 720px;
}

.page-privacy .privacy-hero__points li {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 12px 16px;
  background: rgba(14, 42, 34, 0.72);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  font: 400 15px/1.5 var(--font-sans);
  color: var(--paper);
}

.page-privacy .privacy-hero__num {
  font: 600 12px/1 var(--font-mono);
  letter-spacing: 0.06em;
  color: var(--cyan);
}

/* 主体两栏 */
.page-privacy .privacy-body {
  padding: 48px var(--pad-x) 72px;
}

.page-privacy .privacy-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

/* 目录 */
.page-privacy .privacy-toc__sticky {
  position: static;
}

.page-privacy .privacy-toc__heading {
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font: 600 12px/1 var(--font-mono);
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-privacy .privacy-toc__link {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  padding: 10px 0 10px 14px;
  border-left: 2px solid transparent;
  font: 500 15px/1.4 var(--font-sans);
  color: var(--muted);
  text-decoration: none;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--cyan);
  border-left-color: var(--cyan);
  padding-left: 18px;
  outline: none;
}

.page-privacy .privacy-toc__num {
  font: 600 11px/1 var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--caramel);
}

.page-privacy .privacy-toc__hint {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font: 400 13px/1.6 var(--font-sans);
  color: var(--muted);
}

.page-privacy .privacy-toc__hint a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 目标条款的高亮 */
.page-privacy:has(#p1:target) .privacy-toc__list li:nth-child(1) .privacy-toc__link,
.page-privacy:has(#p2:target) .privacy-toc__list li:nth-child(2) .privacy-toc__link,
.page-privacy:has(#p3:target) .privacy-toc__list li:nth-child(3) .privacy-toc__link,
.page-privacy:has(#p4:target) .privacy-toc__list li:nth-child(4) .privacy-toc__link,
.page-privacy:has(#p5:target) .privacy-toc__list li:nth-child(5) .privacy-toc__link {
  color: var(--cyan);
  border-left-color: var(--cyan);
  padding-left: 18px;
}

/* 条款正文 */
.page-privacy .privacy-article {
  padding: 32px 20px;
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.15);
}

.page-privacy .privacy-article__meta {
  margin: 0 0 28px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--privacy-paper-line);
  font: 400 13px/1.6 var(--font-mono);
  letter-spacing: 0.02em;
  color: rgba(26, 21, 17, 0.6);
}

.page-privacy .privacy-section {
  margin: 0 0 44px;
  scroll-margin-top: calc(var(--head-h) + 20px);
}

.page-privacy .privacy-section:last-child {
  margin-bottom: 0;
}

.page-privacy .privacy-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--privacy-paper-line);
}

.page-privacy .privacy-section:target .privacy-section__head {
  border-bottom-color: var(--brick);
}

.page-privacy .privacy-section__num {
  font: 700 20px/1 var(--font-mono);
  letter-spacing: -0.02em;
  color: var(--caramel);
}

.page-privacy .privacy-section__title {
  margin: 0;
  font: 800 21px/1.3 var(--font-narrow);
  letter-spacing: -0.005em;
  color: var(--brown);
}

.page-privacy .privacy-article .s3-prose {
  color: var(--brown);
}

.page-privacy .privacy-article .s3-prose p {
  margin: 0 0 16px;
  font: 400 16px/1.78 var(--font-sans);
  color: var(--brown);
}

.page-privacy .privacy-article .s3-prose p:last-child {
  margin-bottom: 0;
}

.page-privacy .privacy-article .s3-prose strong {
  font-weight: 700;
  color: var(--brick);
}

.page-privacy .privacy-article .s3-prose ul {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-privacy .privacy-article .s3-prose li {
  position: relative;
  padding-left: 22px;
  font: 400 16px/1.7 var(--font-sans);
  color: var(--brown);
}

.page-privacy .privacy-article .s3-prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--caramel);
}

.page-privacy .privacy-article .s3-prose a {
  color: var(--brick);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--caramel);
}

.page-privacy .privacy-article .s3-prose a:hover,
.page-privacy .privacy-article .s3-prose a:focus-visible {
  color: var(--orange);
  outline: none;
}

.page-privacy .privacy-contact-value {
  font: 500 14px/1.5 var(--font-mono);
  color: var(--brick);
  background: var(--privacy-paper-tint);
  padding: 0 5px;
  border-bottom: 1px solid var(--caramel);
  white-space: nowrap;
}

/* 折叠详情 */
.page-privacy .privacy-details {
  margin: 20px 0 0;
  padding: 0;
  border: 1px solid var(--privacy-paper-line);
  background: var(--privacy-paper-tint);
}

.page-privacy .privacy-details summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 18px;
  font: 600 15px/1.5 var(--font-sans);
  color: var(--brown);
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-privacy .privacy-details summary::-webkit-details-marker {
  display: none;
}

.page-privacy .privacy-details summary::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  font: 700 14px/1 var(--font-mono);
  color: var(--brick);
  border: 1px solid var(--caramel);
  flex-shrink: 0;
  transition: transform 0.2s var(--ease);
}

.page-privacy .privacy-details[open] summary::before {
  content: "−";
}

.page-privacy .privacy-details summary:focus-visible {
  outline: 2px solid var(--brick);
  outline-offset: -3px;
}

.page-privacy .privacy-details > .s3-prose {
  padding: 0 18px 16px;
}

.page-privacy .privacy-details > .s3-prose ul {
  margin: 0;
}

.page-privacy .privacy-details > .s3-prose li {
  font-size: 15px;
}

/* 显现 */
.page-privacy .privacy-hero,
.page-privacy .privacy-section {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

.page-privacy .privacy-hero.is-revealed,
.page-privacy .privacy-section.is-revealed {
  opacity: 1;
  transform: none;
}

.page-privacy:not(.has-js) .page-privacy .privacy-hero,
.page-privacy:not(.has-js) .page-privacy .privacy-section {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-hero,
  .page-privacy .privacy-section {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .page-privacy .privacy-details summary::before {
    transition: none;
  }
}

/* 桌面布局 */
@media (min-width: 900px) {
  .page-privacy .privacy-hero {
    padding: 72px 0 88px;
  }

  .page-privacy .privacy-body {
    padding: 64px var(--pad-x) 96px;
  }

  .page-privacy .privacy-grid {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-privacy .privacy-toc__sticky {
    position: sticky;
    top: calc(var(--head-h) + 24px);
  }

  .page-privacy .privacy-article {
    padding: 56px 52px 64px;
  }

  .page-privacy .privacy-section__num {
    font-size: 22px;
  }

  .page-privacy .privacy-section__title {
    font-size: 24px;
  }

  .page-privacy .privacy-article .s3-prose p,
  .page-privacy .privacy-article .s3-prose li {
    font-size: 17px;
  }
}

@media (min-width: 1200px) {
  .page-privacy .privacy-hero__lede {
    font-size: 18px;
  }

  .page-privacy .privacy-grid {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 64px;
  }
}

/* 打印 */
@media print {
  .page-privacy .privacy-toc,
  .page-privacy .privacy-hero__media,
  .page-privacy .privacy-details summary::before {
    display: none !important;
  }

  .page-privacy .privacy-hero {
    padding: 0 0 16px;
    border-bottom: 1px solid #999;
    background: none;
  }

  .page-privacy .privacy-hero__title,
  .page-privacy .privacy-hero__lede,
  .page-privacy .privacy-hero__kicker {
    color: #000;
  }

  .page-privacy .privacy-hero__points {
    display: none;
  }

  .page-privacy .privacy-body {
    padding: 16px 0 0;
  }

  .page-privacy .privacy-grid {
    display: block;
  }

  .page-privacy .privacy-article {
    background: #fff;
    color: #000;
    box-shadow: none;
    padding: 0;
  }

  .page-privacy .privacy-article__meta {
    color: #333;
    border-bottom-color: #999;
  }

  .page-privacy .privacy-section__num {
    color: #333;
  }

  .page-privacy .privacy-section__head {
    border-bottom-color: #999;
  }

  .page-privacy .privacy-details {
    border-color: #999;
    background: #fff;
  }

  .page-privacy .privacy-details > .s3-prose {
    display: block;
  }
}