.page-privacy {
  --doc-measure: 72ch;
  --rail-w: 208px;
  --rail-gap: clamp(28px, 4vw, 60px);
  --block-gap: clamp(24px, 3.4vw, 42px);
  background: var(--void-black);
  color: var(--text-primary);
  padding: clamp(24px, 4.4vw, 52px) 0 clamp(64px, 9vw, 120px);
}

.page-privacy .breadcrumb-current {
  color: var(--text-index);
}

/* ---------- 文档首屏 ---------- */
.page-privacy .doc-hero {
  max-width: 1000px;
  padding-bottom: var(--block-gap);
  border-bottom: var(--rule-hard);
}

.page-privacy .doc-kicker {
  color: var(--amber-alert);
}

.page-privacy .doc-hero h1 {
  margin: 16px 0 0;
  font-size: var(--fs-h1);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.01em;
  max-width: 22ch;
}

.page-privacy .doc-lede {
  margin: 20px 0 0;
  max-width: var(--doc-measure);
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--text-index);
}

.page-privacy .doc-meta {
  display: grid;
  gap: 16px 28px;
  margin: 28px 0 0;
  padding-top: 20px;
  border-top: var(--rule);
}

.page-privacy .doc-meta dt {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pulse-cyan);
}

.page-privacy .doc-meta dd {
  margin: 5px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-primary);
}

/* ---------- 版式骨架 ---------- */
.page-privacy .doc-layout {
  margin-top: var(--block-gap);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
}

/* ---------- 章节索引锚点 ---------- */
.page-privacy .doc-rail {
  min-width: 0;
}

.page-privacy .rail-title {
  color: var(--text-index);
  margin: 0 0 10px;
}

.page-privacy .rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--rule);
}

.page-privacy .rail-link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0 11px 10px;
  border-left: 2px solid transparent;
  border-bottom: var(--rule);
  color: var(--text-index);
  text-decoration: none;
  font-size: 14.5px;
  transition: color var(--dur-micro) ease-out, border-color var(--dur-micro) ease-out, background var(--dur-micro) ease-out;
}

.page-privacy .rail-link:hover,
.page-privacy .rail-link:focus-visible {
  color: var(--text-primary);
  border-left-color: var(--pulse-cyan);
  background: rgba(0, 229, 255, 0.05);
}

.page-privacy .rail-num {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  letter-spacing: 0.08em;
  color: var(--neon-violet);
}

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

.page-privacy .rail-note {
  margin: 14px 0 0;
  font-size: var(--fs-caption);
  line-height: 1.7;
  color: var(--text-index);
}

/* ---------- 正文 ---------- */
.page-privacy .doc-body {
  min-width: 0;
}

.page-privacy .doc-section {
  padding-top: var(--block-gap);
}

.page-privacy .doc-section + .doc-section {
  margin-top: var(--block-gap);
  border-top: var(--rule);
}

.page-privacy .sec-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-privacy .sec-num {
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  letter-spacing: 0.14em;
  color: var(--neon-violet);
  flex: none;
}

.page-privacy .sec-head h2 {
  margin: 0;
  font-size: var(--fs-h2);
  font-weight: 300;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-privacy .doc-p {
  margin: 0 0 18px;
  max-width: var(--doc-measure);
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--text-primary);
}

.page-privacy .doc-p--dim {
  margin-top: 20px;
  color: var(--text-index);
}

.page-privacy .doc-body a {
  color: var(--pulse-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.42);
  transition: color var(--dur-micro) ease-out, border-color var(--dur-micro) ease-out;
}

.page-privacy .doc-body a:hover,
.page-privacy .doc-body a:focus-visible {
  color: var(--mist-lilac);
  border-bottom-color: var(--mist-lilac);
}

/* ---------- 折叠组 ---------- */
.page-privacy .accordion {
  margin-top: 4px;
  border-bottom: var(--rule);
}

.page-privacy .accordion-item {
  border-top: var(--rule);
}

.page-privacy .accordion-heading {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-privacy .accordion-trigger {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 4px 18px;
  width: 100%;
  padding: 16px 2px;
  background: transparent;
  border: 0;
  text-align: left;
  color: var(--text-primary);
  font-family: inherit;
  cursor: pointer;
  transition: color var(--dur-micro) ease-out;
}

.page-privacy .accordion-trigger:hover,
.page-privacy .accordion-trigger:focus-visible {
  color: var(--pulse-cyan);
}

.page-privacy .acc-label {
  grid-area: 1 / 1;
  font-size: var(--fs-h3);
  line-height: 1.35;
}

.page-privacy .acc-sum {
  grid-area: 2 / 1;
  font-size: var(--fs-index);
  line-height: 1.6;
  color: var(--text-index);
}

.page-privacy .acc-mark {
  grid-area: 1 / 2 / span 2 / span 1;
  position: relative;
  width: 14px;
  height: 14px;
  justify-self: end;
}

.page-privacy .acc-mark::before,
.page-privacy .acc-mark::after {
  content: "";
  position: absolute;
  background: var(--pulse-cyan);
  transition: transform var(--dur-panel) var(--ease-panel), opacity var(--dur-panel) var(--ease-panel);
}

.page-privacy .acc-mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-privacy .acc-mark::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

.page-privacy .accordion-trigger[aria-expanded="true"] .acc-mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-privacy .accordion-body {
  max-width: var(--doc-measure);
  padding: 0 2px 20px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-index);
}

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

/* ---------- 边界示意 ---------- */
.page-privacy .boundary-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin: 26px 0;
  border: var(--rule-hard);
  background: var(--cabin-panel);
  box-shadow: var(--shadow-hard);
}

.page-privacy .boundary-side {
  padding: clamp(18px, 2.8vw, 28px);
}

.page-privacy .boundary-side--local {
  border-bottom: 2px solid var(--pulse-cyan);
  background-image: linear-gradient(180deg, rgba(0, 229, 255, 0.07), rgba(0, 229, 255, 0) 70%);
}

.page-privacy .boundary-side--site {
  background-image: linear-gradient(180deg, rgba(124, 77, 255, 0.09), rgba(124, 77, 255, 0) 70%);
}

.page-privacy .boundary-side .mono-label {
  color: var(--text-index);
}

.page-privacy .boundary-side--local .mono-label {
  color: var(--pulse-cyan);
}

.page-privacy .boundary-side--site .mono-label {
  color: var(--mist-lilac);
}

.page-privacy .boundary-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.page-privacy .boundary-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.95;
  color: var(--text-primary);
}

.page-privacy .boundary-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 6px;
  height: 6px;
  background: var(--edge-line);
}

.page-privacy .boundary-side--local .boundary-list li::before {
  background: var(--pulse-cyan);
}

.page-privacy .boundary-side--site .boundary-list li::before {
  background: var(--neon-violet);
}

/* ---------- 配图 ---------- */
.page-privacy .boundary-figure {
  margin: 30px 0;
}

.page-privacy .boundary-frame {
  aspect-ratio: 3 / 2;
  border: var(--rule-hard);
  box-shadow: var(--shadow-hard);
}

.page-privacy .boundary-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-privacy .media-caption {
  margin-top: 12px;
  max-width: var(--doc-measure);
  font-size: var(--fs-caption);
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--text-index);
}

/* ---------- 边界声明面板 ---------- */
.page-privacy .clause-panel {
  max-width: var(--doc-measure);
  margin: 28px 0 0;
  padding: 18px 20px;
  background: var(--cabin-panel);
  border-left: 3px solid var(--neon-violet);
  box-shadow: var(--shadow-soft);
}

.page-privacy .clause-panel .mono-label {
  color: var(--mist-lilac);
}

.page-privacy .clause-panel p {
  margin: 10px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-primary);
}

/* ---------- 保留期限列表 ---------- */
.page-privacy .retain-list {
  margin: 22px 0 0;
  border-top: var(--rule);
}

.page-privacy .retain-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px 24px;
  padding: 15px 0;
  border-bottom: var(--rule);
}

.page-privacy .retain-row dt {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-primary);
}

.page-privacy .retain-row dd {
  margin: 0;
}

.page-privacy .retain-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--pulse-cyan);
}

.page-privacy .retain-note {
  display: block;
  margin-top: 5px;
  font-size: var(--fs-index);
  line-height: 1.75;
  color: var(--text-index);
}

/* ---------- 自查清单 ---------- */
.page-privacy .clean-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-bottom: var(--rule);
}

.page-privacy .clean-item {
  border-top: var(--rule);
}

.page-privacy .clean-label {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  padding: 15px 2px;
  cursor: pointer;
  transition: background var(--dur-micro) ease-out;
}

.page-privacy .clean-label:hover {
  background: rgba(0, 229, 255, 0.05);
}

.page-privacy .clean-check {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-privacy .clean-box {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 1.5px solid var(--edge-line);
  display: grid;
  place-items: center;
  transition: border-color var(--dur-micro) ease-out, box-shadow var(--dur-micro) ease-out;
}

.page-privacy .clean-box::after {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--pulse-cyan);
  transform: scale(0);
  transition: transform var(--dur-panel) var(--ease-panel);
}

.page-privacy .clean-check:checked + .clean-box {
  border-color: var(--pulse-cyan);
  box-shadow: var(--glow-cyan);
}

.page-privacy .clean-check:checked + .clean-box::after {
  transform: scale(1);
}

.page-privacy .clean-check:focus-visible + .clean-box {
  outline: 2px solid var(--mist-lilac);
  outline-offset: 2px;
}

.page-privacy .clean-text {
  min-width: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--text-primary);
}

/* ---------- 结尾动线 ---------- */
.page-privacy .doc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: var(--rule);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-privacy .doc-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .boundary-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-privacy .boundary-side--local {
    border-bottom: 0;
    border-right: 2px solid var(--pulse-cyan);
  }

  .page-privacy .retain-row {
    grid-template-columns: 196px minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-privacy .doc-layout {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: var(--rail-gap);
  }

  .page-privacy .doc-rail {
    position: sticky;
    top: 104px;
    align-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .rail-link,
  .page-privacy .accordion-trigger,
  .page-privacy .acc-mark::before,
  .page-privacy .acc-mark::after,
  .page-privacy .clean-label,
  .page-privacy .clean-box,
  .page-privacy .clean-box::after {
    transition: none;
  }
}
<<<END>>>
</main>