.page-privacy {
  --privacy-measure: 66ch;
  --privacy-rail: 208px;
  --privacy-gap: 48px;
}

/* ── 顶部与首屏 ─────────────────────────── */
.page-privacy .privacy-top {
  padding-top: 28px;
  margin-bottom: 36px;
}

.page-privacy .privacy-hero {
  max-width: var(--privacy-measure);
  margin-bottom: 30px;
}

.page-privacy .privacy-hero__eyebrow {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-privacy .privacy-hero__title {
  margin: 0 0 20px;
  font-size: clamp(30px, 4.6vw, 46px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.012em;
  color: var(--white);
}

.page-privacy .privacy-hero__lede {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ice);
}

.page-privacy .privacy-hero__meta {
  margin: 0;
  font-size: 13px;
  line-height: 1.9;
  color: var(--mist);
}

/* ── 顶部抽象视觉 ───────────────────────── */
.page-privacy .privacy-banner {
  margin: 8px 0 48px;
  border-radius: var(--radius-l);
  overflow: hidden;
}

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

/* ── 双栏文档骨架 ───────────────────────── */
.page-privacy .privacy-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  max-width: 1040px;
  padding-bottom: 72px;
}

@media (min-width: 900px) {
  .page-privacy .privacy-grid {
    grid-template-columns: var(--privacy-rail) minmax(0, 1fr);
    gap: var(--privacy-gap);
    padding-bottom: 96px;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: 36px;
    align-self: start;
  }
}

/* ── 条款锚点轨道 ───────────────────────── */
.page-privacy .privacy-rail {
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  min-width: 0;
}

.page-privacy .privacy-rail__eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-privacy .privacy-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-privacy .privacy-rail__list a {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px 8px 12px;
  border-left: 2px solid transparent;
  font-size: 13px;
  line-height: 1.55;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}

.page-privacy .privacy-rail__list a:hover,
.page-privacy .privacy-rail__list a:focus-visible {
  color: var(--white);
}

.page-privacy .privacy-rail__list a.is-current {
  color: var(--white);
  border-left-color: var(--ice);
}

.page-privacy .rail-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-privacy .privacy-rail__list a.is-current .rail-num {
  color: var(--ice);
}

@media (max-width: 899px) {
  .page-privacy .privacy-rail__list {
    flex-direction: row;
    overflow-x: auto;
    gap: 4px;
    padding-bottom: 4px;
    scrollbar-width: thin;
  }

  .page-privacy .privacy-rail__list a {
    grid-template-columns: auto;
    gap: 0;
    padding: 8px 12px;
    border-left: none;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    flex-shrink: 0;
  }

  .page-privacy .privacy-rail__list a.is-current {
    border-left-color: transparent;
    border-bottom-color: var(--ice);
  }

  .page-privacy .rail-num {
    display: none;
  }
}

/* ── 正文长文档 ─────────────────────────── */
.page-privacy .privacy-body {
  max-width: var(--privacy-measure);
  min-width: 0;
}

.page-privacy .privacy-sec {
  scroll-margin-top: 80px;
  padding: 30px 0 34px;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-sec:first-child {
  border-top: none;
  padding-top: 4px;
}

.page-privacy .privacy-sec__title {
  margin: 0 0 18px;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--white);
}

.page-privacy .privacy-sec__title a {
  display: inline-flex;
  align-items: baseline;
  gap: 14px;
  color: inherit;
  text-decoration: none;
}

.page-privacy .privacy-sec__title a:hover,
.page-privacy .privacy-sec__title a:focus-visible {
  color: var(--ice);
}

.page-privacy .sec-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-privacy .privacy-sec p {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ice);
}

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

.page-privacy .privacy-sec a:not(.btn) {
  color: var(--ice);
  text-decoration: underline;
  text-decoration-color: var(--line);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.2s var(--ease-out);
}

.page-privacy .privacy-sec a:not(.btn):hover {
  text-decoration-color: var(--ice);
}

.page-privacy .privacy-sub {
  margin: 26px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-privacy .privacy-sec ul {
  margin: 0 0 20px;
  padding-left: 20px;
  list-style: disc;
}

.page-privacy .privacy-sec li {
  margin-bottom: 10px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ice);
}

.page-privacy .privacy-sec li:last-child {
  margin-bottom: 0;
}

.page-privacy .privacy-sec li::marker {
  color: var(--mist);
}

.page-privacy .privacy-sec strong {
  color: var(--white);
  font-weight: 600;
}

/* ── 咨询信息纸质块 ─────────────────────── */
.page-privacy .privacy-quote {
  margin: 24px 0 6px;
  padding: 22px 24px;
  border-radius: var(--radius-m);
  background: var(--paper);
  color: var(--ink);
}

.page-privacy .privacy-quote p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink);
}

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

.page-privacy .privacy-quote strong {
  color: var(--ink);
  font-weight: 700;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.01em;
  word-break: break-all;
}

/* ── 收束入口 ───────────────────────────── */
.page-privacy .privacy-outro {
  margin-top: 26px;
  padding: 24px 26px;
  border-radius: var(--radius-l);
  background: var(--panel);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-privacy .privacy-outro__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ice);
}

.page-privacy .privacy-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (min-width: 640px) {
  .page-privacy .privacy-outro {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }

  .page-privacy .privacy-outro__text {
    flex: 1 1 auto;
    min-width: 0;
  }

  .page-privacy .privacy-outro__actions {
    flex: 0 0 auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail__list a,
  .page-privacy .privacy-sec a:not(.btn) {
    transition: none;
  }
}
<<<END>>>