.page-privacy {
  --privacy-rail: calc(var(--space-8) + var(--space-3));
  --privacy-texture-light: color-mix(in srgb, var(--color-line) 62%, transparent);
  --privacy-texture-dark: color-mix(in srgb, var(--color-contrast-line) 46%, transparent);
  background-color: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
}

.page-privacy .privacy-wrap {
  box-sizing: border-box;
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- 顶部：浅色横向纹理缓冲带 ---------- */
.page-privacy .privacy-masthead {
  position: relative;
  background-color: var(--color-surface-alt);
  background-image: repeating-linear-gradient(
    180deg,
    var(--privacy-texture-light) 0,
    var(--privacy-texture-light) 1px,
    transparent 1px,
    transparent 26px
  );
  border-bottom: var(--border-thin) solid var(--color-line);
  padding-block: var(--space-6) var(--space-8);
}

.page-privacy .privacy-masthead .breadcrumbs {
  margin: 0 0 var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-privacy .privacy-masthead .breadcrumbs a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid transparent;
  transition: border-color 140ms linear;
}

.page-privacy .privacy-masthead .breadcrumbs a:hover {
  border-bottom-color: var(--color-accent);
}

.page-privacy .privacy-masthead .breadcrumbs a:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

.page-privacy .privacy-title {
  margin: 0 0 var(--space-3);
  max-width: 20ch;
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-privacy .privacy-lede {
  margin: 0 0 var(--space-6);
  max-width: 62ch;
  font-size: var(--text-lg);
  line-height: 1.56;
  color: var(--color-ink-soft);
}

.page-privacy .privacy-keylines {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin: 0 0 var(--space-6);
  padding: var(--space-4) 0 0;
  border-top: var(--border-thin) dotted var(--color-line);
}

.page-privacy .privacy-keylines > div {
  min-width: 0;
}

.page-privacy .privacy-keylines dt {
  margin: 0 0 var(--space-1);
  font-size: var(--text-xs);
  font-weight: var(--weight-heading);
  letter-spacing: 0.12em;
  color: var(--color-primary);
}

.page-privacy .privacy-keylines dd {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--color-ink-soft);
}

.page-privacy .privacy-figure {
  margin: 0;
  padding: var(--space-2);
  background-color: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
}

.page-privacy .privacy-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 960 / 360;
  object-fit: cover;
}

/* ---------- 条款正文骨架：窄刻度栏 + 单列正文 ---------- */
.page-privacy .privacy-body {
  padding-block: var(--section-y);
}

.page-privacy .privacy-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.page-privacy .clause-rail {
  min-width: 0;
}

.page-privacy .rail-list {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
  padding: 0 0 var(--space-1);
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .rail-part {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: var(--space-1);
}

.page-privacy .rail-part + .rail-part::before {
  content: "";
  flex: 0 0 auto;
  width: var(--border-thin);
  height: var(--space-2);
  margin-right: var(--space-1);
  background-color: var(--color-line);
}

.page-privacy .rail-part-label {
  display: none;
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
}

.page-privacy .rail-link {
  display: inline-block;
  padding: 2px 5px;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.2;
  color: var(--color-ink-muted);
  text-decoration: none;
  border-bottom: var(--border-thin) solid transparent;
  border-radius: var(--radius-sm);
  transition: color 140ms linear, border-color 140ms linear;
}

.page-privacy .rail-link:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.page-privacy .rail-link:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

.page-privacy .clause-list {
  min-width: 0;
}

/* ---------- 单条条款 ---------- */
.page-privacy .clause {
  padding-block: var(--space-6);
  border-top: var(--border-thin) dotted var(--color-line);
}

.page-privacy .clause:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-privacy .clause-heading {
  margin: 0;
  padding: 0;
}

.page-privacy .clause-trigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  margin: 0;
  padding: 0 0 var(--space-3);
  background: none;
  border: 0;
  border-radius: var(--radius-sm);
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.page-privacy .clause-trigger:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 3px;
}

.page-privacy .clause-num {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-primary);
}

.page-privacy .clause-name {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  transition: color 140ms linear;
}

.page-privacy .clause-trigger:hover .clause-name {
  color: var(--color-accent);
}

.page-privacy .clause-caret {
  width: 10px;
  height: 10px;
  border-right: var(--border-thick) solid var(--color-ink-muted);
  border-bottom: var(--border-thick) solid var(--color-ink-muted);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 200ms ease;
}

.page-privacy .clause-trigger[aria-expanded="false"] .clause-caret {
  transform: rotate(-45deg);
}

.page-privacy .clause-panel {
  display: block;
}

.page-privacy .clause-body {
  max-width: var(--measure);
  color: var(--color-ink);
}

.page-privacy .clause-body > p {
  margin: 0;
}

.page-privacy .clause-body > p + p {
  margin-top: var(--space-3);
}

.page-privacy .clause-body a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .clause-body a:hover {
  color: var(--color-primary);
}

.page-privacy .clause-body a:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

.page-privacy .clause-scope {
  max-width: var(--measure);
  margin: var(--space-4) 0 0;
  padding-left: var(--space-3);
  border-left: var(--border-thick) solid var(--color-primary);
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--color-ink-muted);
}

/* ---------- 深色收尾 ---------- */
.page-privacy .privacy-closing {
  background-color: var(--color-contrast-surface);
  background-image: repeating-linear-gradient(
    180deg,
    var(--privacy-texture-dark) 0,
    var(--privacy-texture-dark) 1px,
    transparent 1px,
    transparent 22px
  );
  border-top: var(--border-thin) solid var(--color-contrast-line);
  color: var(--color-contrast-ink);
  padding-block: var(--section-y);
}

.page-privacy .closing-title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-privacy .closing-copy {
  max-width: var(--measure);
  margin: 0 0 var(--space-4);
  font-size: var(--text-base);
  color: var(--color-contrast-ink);
  opacity: 0.88;
}

.page-privacy .closing-contact {
  max-width: var(--measure);
  margin: 0 0 var(--space-4);
  padding-top: var(--space-3);
  border-top: var(--border-thin) dotted var(--color-contrast-line);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  color: var(--color-contrast-accent);
}

.page-privacy .closing-contact a {
  color: var(--color-contrast-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .closing-contact a:hover {
  color: var(--color-contrast-ink);
}

.page-privacy .closing-contact a:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 3px;
}

.page-privacy .closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-privacy .privacy-keylines {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .page-privacy .privacy-keylines > div + div {
    padding-left: var(--space-4);
    border-left: var(--border-thin) dotted var(--color-line);
  }
}

/* ---------- 桌面：窄刻度栏固定在左侧 ---------- */
@media (min-width: 900px) {
  .page-privacy .privacy-shell {
    grid-template-columns: var(--privacy-rail) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-privacy .clause-rail {
    position: sticky;
    top: var(--space-6);
    padding-top: var(--space-2);
  }

  .page-privacy .rail-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-6);
    overflow: visible;
    padding: 0 0 0 var(--space-2);
    border-left: var(--border-thin) dotted var(--color-line);
  }

  .page-privacy .rail-part {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .page-privacy .rail-part + .rail-part::before {
    display: none;
  }

  .page-privacy .rail-part-label {
    display: block;
  }

  .page-privacy .rail-link {
    font-size: var(--text-base);
    letter-spacing: 0.02em;
  }

  .page-privacy .clause-num {
    font-size: var(--text-4xl);
  }

  .page-privacy .clause-name {
    font-size: var(--text-2xl);
  }

  .page-privacy .clause-trigger {
    gap: var(--space-3);
  }

  .page-privacy .clause-body,
  .page-privacy .clause-scope {
    padding-left: calc(var(--text-4xl) + var(--space-3));
  }
}

/* ---------- 窄屏微调 ---------- */
@media (max-width: 479px) {
  .page-privacy .clause-num {
    font-size: var(--text-xl);
  }

  .page-privacy .clause-name {
    font-size: var(--text-lg);
  }

  .page-privacy .privacy-title {
    font-size: var(--text-2xl);
  }

  .page-privacy .privacy-lede {
    font-size: var(--text-base);
  }
}
<<<END>>>