.page-privacy {
  --pv-rule: rgba(44, 56, 77, 0.72);
  --pv-measure: 34em;
  display: block;
  position: relative;
  background-color: var(--ink-950);
  color: var(--fog-200);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-privacy .doc-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: clamp(20px, 3vw, 32px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fog-500);
}

.page-privacy .doc-crumbs a {
  color: var(--fog-200);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .doc-crumbs a:hover {
  color: var(--signal-green);
  border-bottom-color: var(--signal-green);
}

.page-privacy .doc-crumbs__sep {
  color: var(--slate-600);
}

.page-privacy .doc-crumbs__current {
  color: var(--fog-200);
}

/* ---------- 页头 ---------- */
.page-privacy .doc-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--pv-rule);
}

.page-privacy .doc-hero::before {
  content: "";
  position: absolute;
  top: -140px;
  right: -100px;
  width: min(560px, 66vw);
  height: 340px;
  background: linear-gradient(135deg, rgba(53, 240, 140, 0.12), rgba(53, 240, 140, 0) 68%);
  transform: skewY(-9deg);
  pointer-events: none;
}

.page-privacy .doc-hero__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(36px, 6vw, 82px) clamp(28px, 4vw, 46px);
}

.page-privacy .doc-hero__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--signal-green);
}

.page-privacy .doc-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(38px, 7vw, 88px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--paper-050);
}

.page-privacy .doc-hero__lede {
  max-width: 34em;
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  font-size: clamp(16px, 1.55vw, 18px);
  line-height: 1.85;
  color: var(--fog-200);
}

.page-privacy .doc-hero__meta {
  list-style: none;
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 34px;
  font-size: 14px;
  color: var(--fog-500);
}

.page-privacy .doc-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-privacy .doc-hero__meta .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--fog-500);
}

.page-privacy .doc-hero__media {
  margin: 0;
}

.page-privacy .doc-hero__media img {
  display: block;
  width: 100%;
  height: clamp(160px, 24vw, 300px);
  object-fit: cover;
  border-top: 1px solid var(--pv-rule);
  opacity: 0.88;
}

/* ---------- 主体栅格 ---------- */
.page-privacy .doc-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 44px);
  padding-block: clamp(32px, 4vw, 48px) clamp(72px, 9vw, 132px);
}

/* ---------- 目录 ---------- */
.page-privacy .doc-toc__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--fog-500);
}

.page-privacy .doc-toc__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
}

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

.page-privacy .doc-toc__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 14px;
  border: 1px solid var(--slate-600);
  border-radius: var(--radius);
  background: var(--glass-bg);
  color: var(--fog-200);
  font-size: 14px;
  white-space: nowrap;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .doc-toc__list a .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--signal-green);
}

.page-privacy .doc-toc__list a:hover,
.page-privacy .doc-toc__list a:focus-visible {
  color: var(--paper-050);
  border-color: var(--signal-green);
}

/* ---------- 章节 ---------- */
.page-privacy .doc-sec {
  padding-block: clamp(26px, 3.6vw, 44px);
  border-top: 1px solid var(--pv-rule);
  scroll-margin-top: 96px;
}

.page-privacy .doc-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-privacy .doc-sec__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--signal-green);
}

.page-privacy .doc-sec h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(21px, 2.5vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--paper-050);
}

.page-privacy .doc-sub {
  margin: 26px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--green-deep);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  color: var(--fog-200);
}

.page-privacy .doc-sec p {
  max-width: var(--pv-measure);
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--fog-200);
}

.page-privacy .doc-sub + .doc-list,
.page-privacy .doc-sub + p {
  margin-top: 12px;
}

.page-privacy .doc-sec a {
  color: var(--paper-050);
  text-decoration: none;
  border-bottom: 1px solid var(--green-deep);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

/* ---------- 列表 ---------- */
.page-privacy .doc-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: calc(var(--pv-measure) + 2em);
}

.page-privacy .doc-list li {
  position: relative;
  padding-left: 20px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--fog-200);
}

.page-privacy .doc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 11px;
  height: 1px;
  background: var(--green-deep);
}

/* ---------- 术语行 ---------- */
.page-privacy .doc-terms {
  margin: 18px 0 0;
  display: grid;
  gap: 0;
  max-width: calc(var(--pv-measure) + 8em);
}

.page-privacy .doc-terms__row {
  display: grid;
  gap: 4px;
  padding-block: 12px;
  border-bottom: 1px solid var(--pv-rule);
}

.page-privacy .doc-terms__row:first-child {
  border-top: 1px solid var(--pv-rule);
}

.page-privacy .doc-terms__term {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--signal-green);
}

.page-privacy .doc-terms__desc {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--fog-200);
}

/* ---------- 反色关键事实块 ---------- */
.page-privacy .doc-keynote {
  position: relative;
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: clamp(24px, 3vw, 36px);
  background: var(--paper-050);
  color: var(--ink-950);
  border-radius: var(--radius);
}

.page-privacy .doc-keynote::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 58px;
  height: 3px;
  background: var(--green-deep);
}

.page-privacy .doc-keynote__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--green-deep);
}

.page-privacy .doc-keynote__text {
  max-width: 34em;
  margin: 12px 0 0;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.8;
  color: var(--ink-950);
}

/* ---------- 流向图 ---------- */
.page-privacy .doc-figure {
  margin: clamp(22px, 3vw, 30px) 0 0;
}

.page-privacy .doc-flow {
  display: block;
  width: 100%;
  max-width: 660px;
  height: auto;
}

.page-privacy .doc-flow rect {
  fill: rgba(4, 6, 11, 0.4);
  stroke: var(--slate-600);
  stroke-width: 1;
}

.page-privacy .doc-flow__node--accent rect {
  stroke: var(--green-deep);
}

.page-privacy .doc-flow__node--muted rect {
  fill: transparent;
  stroke: var(--slate-600);
  stroke-dasharray: 4 4;
}

.page-privacy .doc-flow__t {
  font-family: var(--font-mono);
  font-size: 14px;
  fill: var(--paper-050);
}

.page-privacy .doc-flow__s {
  font-family: var(--font-mono);
  font-size: 11.5px;
  fill: var(--fog-500);
}

.page-privacy .doc-flow__node--accent .doc-flow__s {
  fill: var(--signal-green);
}

.page-privacy .doc-flow__link {
  stroke: var(--slate-600);
  stroke-width: 1;
}

.page-privacy .doc-flow__arrow {
  fill: var(--slate-600);
}

.page-privacy .doc-flow__cut {
  stroke: var(--amber-400);
  stroke-width: 1.5;
  fill: none;
}

.page-privacy .doc-figure__caption {
  max-width: var(--pv-measure);
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fog-500);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-privacy .doc-terms__row {
    grid-template-columns: 10em 1fr;
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-privacy .doc-body {
    grid-template-columns: minmax(190px, 220px) 1fr;
    gap: clamp(48px, 6vw, 88px);
    align-items: start;
  }

  .page-privacy .doc-toc {
    position: sticky;
    top: 96px;
  }

  .page-privacy .doc-toc__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .doc-toc__list li {
    flex: none;
  }

  .page-privacy .doc-toc__list a {
    width: 100%;
    min-height: 40px;
    padding: 8px 12px;
    border: 0;
    border-left: 2px solid var(--slate-600);
    border-radius: 0;
    background: transparent;
    white-space: normal;
  }

  .page-privacy .doc-toc__list a:hover,
  .page-privacy .doc-toc__list a:focus-visible {
    border-left-color: var(--signal-green);
  }
}

@media (max-width: 420px) {
  .page-privacy .doc-hero__meta {
    gap: 8px 20px;
  }

  .page-privacy .doc-keynote {
    padding: 22px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy *,
  .page-privacy *::before,
  .page-privacy *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
<<<END>>>