.page-privacy {
  --toc-w: 216px;
  --privacy-measure: 38em;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-sans);
  padding-block: 36px 104px;
}

.page-privacy .anchor-target {
  display: block;
  height: 0;
  overflow: hidden;
}

/* ---------- 首屏说明 ---------- */

.page-privacy .privacy-intro {
  max-width: 48em;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-intro .sec-num {
  margin: 0 0 16px;
}

.page-privacy .privacy-intro h1 {
  margin: 0 0 20px;
  font-size: clamp(28px, 5.2vw, 46px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  font-weight: 900;
  color: var(--ink-900);
}

.page-privacy .privacy-lede {
  margin: 0 0 32px;
  max-width: var(--privacy-measure);
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink-700);
}

.page-privacy .privacy-facts {
  list-style: none;
  margin: 0;
  padding: 24px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 14px;
}

.page-privacy .privacy-facts li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 14px;
  line-height: 1.7;
}

.page-privacy .fact-key {
  color: var(--signal);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-privacy .fact-val {
  color: var(--cold);
}

/* ---------- 外壳与目录 ---------- */

.page-privacy .privacy-shell {
  display: grid;
  gap: 36px;
  padding-top: 48px;
}

.page-privacy .privacy-toc {
  font-size: 14px;
  min-width: 0;
}

.page-privacy .toc-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cold);
}

.page-privacy .privacy-toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: nowrap;
  gap: 6px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  padding-bottom: 8px;
}

.page-privacy .privacy-toc a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex: 0 0 auto;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--white);
  color: var(--cold);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-privacy .privacy-toc a .mono {
  font-size: 11px;
  color: var(--signal);
}

.page-privacy .privacy-toc a:hover,
.page-privacy .privacy-toc a:focus-visible {
  color: var(--ink-900);
  background: var(--blue-050);
  border-color: var(--ink-500);
}

/* ---------- 正文 ---------- */

.page-privacy .privacy-body {
  min-width: 0;
  max-width: 46em;
}

.page-privacy .privacy-section {
  scroll-margin-top: 88px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 44px;
}

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

.page-privacy .privacy-section h2 {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 18px;
  font-size: clamp(21px, 2.6vw, 28px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--ink-900);
}

.page-privacy .sec-count {
  flex: 0 0 auto;
  font-size: 14px;
  font-weight: 700;
  color: var(--signal);
}

.page-privacy .privacy-section > p {
  margin: 0 0 24px;
  max-width: var(--privacy-measure);
  font-size: 16px;
  line-height: 1.75;
}

.page-privacy .privacy-section a {
  color: var(--ink-500);
  text-decoration: none;
  border-bottom: 1px solid var(--blue-300);
}

.page-privacy .privacy-section a:hover,
.page-privacy .privacy-section a:focus-visible {
  color: var(--signal-deep);
  border-bottom-color: var(--signal);
}

/* ---------- 条目列表 ---------- */

.page-privacy .privacy-items {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .privacy-items li {
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-items li:last-child {
  padding-bottom: 0;
}

.page-privacy .privacy-items h3 {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  color: var(--ink-900);
}

.page-privacy .item-key {
  flex: 0 0 auto;
  font-size: 12px;
  font-weight: 400;
  color: var(--cold);
}

.page-privacy .privacy-items p {
  margin: 0;
  max-width: var(--privacy-measure);
  font-size: 15.5px;
  line-height: 1.75;
}

/* ---------- 定义式说明 ---------- */

.page-privacy .privacy-plain {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-privacy .privacy-plain li {
  padding-left: 18px;
  border-left: 2px solid var(--line);
  max-width: var(--privacy-measure);
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--text);
}

.page-privacy .privacy-plain strong {
  display: block;
  margin-bottom: 3px;
  font-weight: 800;
  color: var(--ink-900);
}

/* ---------- 强调块 ---------- */

.page-privacy .privacy-callout {
  margin: 28px 0 0;
  padding: 20px 22px;
  background: var(--blue-050);
  border-left: 3px solid var(--ink-500);
  border-radius: 0 2px 2px 0;
}

.page-privacy .privacy-callout p {
  margin: 0;
  max-width: var(--privacy-measure);
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink-700);
}

.page-privacy .privacy-callout strong {
  color: var(--ink-900);
  font-weight: 700;
}

/* ---------- 折叠块 ---------- */

.page-privacy .privacy-details {
  margin: 26px 0 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-details summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 0;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ink-900);
  list-style: none;
}

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

.page-privacy .privacy-details summary::before {
  content: "+";
  width: 14px;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--signal);
}

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

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

.page-privacy .details-body {
  padding: 0 0 20px 24px;
  font-size: 15px;
  line-height: 1.75;
}

.page-privacy .details-body p {
  margin: 0 0 12px;
  max-width: var(--privacy-measure);
}

.page-privacy .details-body p:last-child {
  margin-bottom: 0;
}

/* ---------- 图片 ---------- */

.page-privacy .privacy-figure {
  margin: 36px 0 0;
}

.page-privacy .privacy-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--white);
}

.page-privacy .privacy-figure .figure-caption {
  margin-top: 12px;
  max-width: var(--privacy-measure);
  font-size: 13px;
  line-height: 1.7;
  color: var(--cold);
}

/* ---------- 流程示意 ---------- */

.page-privacy .privacy-flow-wrap {
  margin: 32px 0 0;
  padding: 20px 16px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 2px;
}

.page-privacy .privacy-flow {
  display: block;
  width: 100%;
  height: auto;
}

.page-privacy .privacy-flow .flow-line {
  fill: none;
  stroke: var(--blue-300);
  stroke-width: 1.25;
}

.page-privacy .privacy-flow .flow-box {
  fill: var(--blue-050);
  stroke: var(--line);
  stroke-width: 1;
}

.page-privacy .privacy-flow .flow-box--ink {
  fill: var(--ink-900);
}

.page-privacy .privacy-flow .flow-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  fill: var(--ink-700);
  font-weight: 400;
}

.page-privacy .privacy-flow .flow-label--ink {
  fill: var(--white);
}

.page-privacy .privacy-flow .flow-label--sub {
  font-size: 10px;
  fill: var(--blue-300);
}

/* ---------- 返回顶部 ---------- */

.page-privacy .back-top {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 20;
  padding: 8px 14px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--ink-900);
  text-decoration: none;
  box-shadow: 0 1px 2px rgba(11, 27, 43, 0.06);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .back-top:hover,
.page-privacy .back-top:focus-visible {
  color: var(--signal-deep);
  border-color: var(--signal);
}

/* ---------- 断点 ---------- */

@media (min-width: 640px) {
  .page-privacy .privacy-facts li {
    flex-direction: row;
    gap: 18px;
    align-items: baseline;
  }

  .page-privacy .fact-key {
    flex: 0 0 8em;
  }

  .page-privacy .privacy-flow-wrap {
    padding: 24px 22px;
  }
}

@media (min-width: 1024px) {
  .page-privacy {
    padding-block: 48px 128px;
  }

  .page-privacy .privacy-shell {
    grid-template-columns: var(--toc-w) minmax(0, 1fr);
    gap: 72px;
    padding-top: 64px;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-privacy .privacy-toc ol {
    display: grid;
    flex-wrap: nowrap;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .privacy-toc a {
    border-color: transparent;
    border-left: 2px solid transparent;
    background: transparent;
    padding: 8px 10px;
    white-space: normal;
  }

  .page-privacy .privacy-toc a:hover,
  .page-privacy .privacy-toc a:focus-visible {
    border-left-color: var(--ink-500);
  }

  .page-privacy .privacy-callout {
    margin-left: -22px;
  }
}
<<<END>>>