.page-privacy {
  --p-blue: var(--color-blue);
  --p-line: var(--color-gray-line);
  --p-muted: var(--color-muted);
  --p-text: var(--color-text);
  --p-ink: var(--color-ink);
  --p-white: var(--color-white);
  background: var(--p-white);
  color: var(--p-text);
  font-family: var(--font-serif);
  line-height: 1.75;
}

/* ---------- 首屏深色区域 ---------- */
.page-privacy .privacy-hero {
  background: var(--p-ink);
  color: var(--p-white);
  padding: 28px 0 44px;
  border-bottom: 4px solid var(--p-blue);
}

.page-privacy .privacy-hero .breadcrumbs__link,
.page-privacy .privacy-hero .breadcrumbs__current {
  color: rgba(255, 255, 255, 0.68);
}

.page-privacy .privacy-hero .breadcrumbs__link:hover,
.page-privacy .privacy-hero .breadcrumbs__link:focus {
  color: var(--p-white);
}

.page-privacy .privacy-hero .breadcrumbs__separator {
  color: rgba(255, 255, 255, 0.35);
}

.page-privacy .privacy-hero__kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 12px;
}

.page-privacy .privacy-hero__title {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(28px, 5.6vw, 44px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
  color: var(--p-white);
}

.page-privacy .privacy-hero__desc {
  font-size: 16px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.72);
  max-width: 680px;
  margin-bottom: 20px;
}

.page-privacy .privacy-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
}

/* ---------- 插画区 ---------- */
.page-privacy .privacy-visual {
  padding: 24px 0 0;
}

.page-privacy .privacy-visual__frame {
  margin: 0;
  aspect-ratio: 4 / 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-gray-light);
}

.page-privacy .privacy-visual__img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- 文档主体 ---------- */
.page-privacy .privacy-document {
  padding: 40px 0 24px;
}

/* 目录 */
.page-privacy .privacy-toc {
  margin-bottom: 32px;
  background: var(--p-white);
  border: 1px solid var(--p-line);
  border-radius: var(--radius-md);
  padding: 16px 16px 14px;
}

.page-privacy .privacy-toc__heading {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--p-muted);
  margin: 0 0 12px;
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.page-privacy .privacy-toc__list li {
  flex: 0 0 auto;
}

.page-privacy .privacy-toc__list a {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--p-text);
  text-decoration: none;
  background: var(--color-gray-light);
  border: 1px solid var(--p-line);
  border-radius: 999px;
  padding: 5px 12px;
  white-space: nowrap;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-privacy .privacy-toc__list a:hover,
.page-privacy .privacy-toc__list a:focus {
  background: var(--p-ink);
  color: var(--p-white);
  border-color: var(--p-ink);
}

.page-privacy .privacy-toc__extra {
  display: flex;
  gap: 16px;
  border-top: 1px solid var(--p-line);
  padding-top: 12px;
}

.page-privacy .privacy-toc__extra a {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--p-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(10, 61, 98, 0.3);
  padding-bottom: 1px;
}

.page-privacy .privacy-toc__extra a:hover {
  color: var(--p-ink);
  border-color: var(--p-ink);
}

/* 正文文档 */
.page-privacy .privacy-doc {
  max-width: 760px;
}

.page-privacy .privacy-section {
  border-bottom: 1px solid var(--p-line);
  padding-bottom: 40px;
  margin-bottom: 40px;
}

.page-privacy .privacy-section:last-of-type {
  border-bottom: 0;
  padding-bottom: 0;
  margin-bottom: 0;
}

.page-privacy .privacy-section__title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 24px;
  line-height: 1.3;
  margin: 0 0 18px;
  color: var(--p-ink);
}

.page-privacy .privacy-section__num {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 13px;
  border: 1px solid var(--p-line);
  border-radius: 6px;
  padding: 1px 7px;
  background: var(--color-gray-light);
  color: var(--p-text);
  white-space: nowrap;
}

.page-privacy .privacy-section p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
}

.page-privacy .privacy-section ol,
.page-privacy .privacy-section ul {
  margin: 0 0 16px;
  padding-left: 22px;
}

.page-privacy .privacy-section li {
  margin-bottom: 8px;
  font-size: 15px;
  line-height: 1.8;
}

.page-privacy .privacy-section li::marker {
  color: var(--p-muted);
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.page-privacy .privacy-doc a {
  color: var(--p-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s var(--ease);
}

.page-privacy .privacy-doc a:hover {
  color: var(--p-ink);
}

/* 折叠说明 */
.page-privacy .privacy-details {
  margin: 18px 0 12px;
  border: 1px solid var(--p-line);
  border-radius: 12px;
  background: var(--color-gray-light);
  overflow: hidden;
}

.page-privacy .privacy-details summary {
  cursor: pointer;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--p-text);
  list-style: none;
  position: relative;
  transition: background 0.2s var(--ease);
}

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

.page-privacy .privacy-details summary::before {
  content: "+";
  display: inline-block;
  width: 18px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--p-blue);
}

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

.page-privacy .privacy-details summary:hover,
.page-privacy .privacy-details summary:focus-visible {
  background: #EAECF0;
}

.page-privacy .privacy-details[open] summary {
  border-bottom: 1px solid var(--p-line);
}

.page-privacy .privacy-details p {
  padding: 12px 16px 14px 34px;
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--p-muted);
}

.page-privacy .privacy-doc__note {
  margin: 36px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--p-muted);
  line-height: 1.7;
  border-left: 3px solid var(--p-blue);
  padding-left: 14px;
}

/* ---------- 底部辅助区 ---------- */
.page-privacy .privacy-return {
  margin-top: 24px;
  padding: 36px 0 48px;
  background: var(--color-gray-light);
}

.page-privacy .privacy-return__inner {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-privacy .privacy-return__title {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 20px;
  margin: 0 0 6px;
  color: var(--p-ink);
}

.page-privacy .privacy-return__desc {
  font-size: 14px;
  color: var(--p-muted);
  margin: 0;
  line-height: 1.7;
}

.page-privacy .privacy-return__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.page-privacy .privacy-return__top {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--p-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(10, 61, 98, 0.3);
  padding-bottom: 2px;
  margin-left: 4px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-privacy .privacy-return__top:hover {
  color: var(--p-ink);
  border-color: var(--p-ink);
}

/* ---------- 桌面端增强 ---------- */
@media (min-width: 992px) {
  .page-privacy .privacy-hero {
    padding: 40px 0 60px;
  }

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

  .page-privacy .privacy-document {
    padding: 56px 0 32px;
  }

  .page-privacy .privacy-document__layout {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 24px;
    margin-bottom: 0;
    padding: 20px;
  }

  .page-privacy .privacy-toc__list {
    flex-direction: column;
    align-items: stretch;
    overflow: visible;
    gap: 4px;
    padding-bottom: 0;
    margin-bottom: 16px;
  }

  .page-privacy .privacy-toc__list a {
    border-radius: 10px;
    white-space: normal;
    background: transparent;
    border: 1px solid transparent;
    padding: 8px 10px;
  }

  .page-privacy .privacy-toc__list a:hover,
  .page-privacy .privacy-toc__list a:focus {
    background: var(--color-gray-light);
    color: var(--p-ink);
    border-color: var(--p-line);
  }

  .page-privacy .privacy-section__title {
    font-size: 28px;
  }

  .page-privacy .privacy-section__num {
    font-size: 14px;
  }

  .page-privacy .privacy-return {
    margin-top: 40px;
  }

  .page-privacy .privacy-return__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }

  .page-privacy .privacy-return__text {
    max-width: 520px;
  }

  .page-privacy .privacy-return__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1200px) {
  .page-privacy .privacy-hero__meta {
    gap: 32px;
  }

  .page-privacy .privacy-document__layout {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 72px;
  }
}