.page-privacy {
  --pv-shell: 1080px;
  --pv-rail: 104px;
  --pv-rule: rgba(53, 240, 192, 0.22);
  --pv-rule-strong: rgba(53, 240, 192, 0.55);
  color: var(--text-primary);
}

.page-privacy .privacy-shell {
  width: min(var(--pv-shell), 100% - var(--gutter) * 2);
  margin-inline: auto;
}

/* ---------- 页头 ---------- */
.page-privacy .privacy-head {
  padding: clamp(28px, 6vw, 68px) 0 clamp(18px, 3vw, 30px);
}

.page-privacy .privacy-title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.6vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.page-privacy .privacy-lead {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.75;
  color: var(--text-muted);
}

.page-privacy .privacy-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

/* ---------- 通栏氛围图 ---------- */
.page-privacy .privacy-banner {
  margin: 6px 0 clamp(28px, 5vw, 52px);
  padding: 0;
  border: 1px solid var(--midnight-line);
  border-radius: var(--r-panel);
  overflow: hidden;
  background: var(--midnight-700);
  position: relative;
}

.page-privacy .privacy-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 15, 38, 0.05) 40%, rgba(8, 15, 38, 0.72) 100%);
  pointer-events: none;
}

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

/* ---------- 章节导航 ---------- */
.page-privacy .privacy-nav {
  position: sticky;
  top: 88px;
  z-index: 20;
  margin-bottom: clamp(20px, 4vw, 36px);
  padding: 10px;
  border: 1px solid var(--midnight-line);
  border-radius: var(--r-pill);
  background: rgba(11, 19, 48, 0.94);
  backdrop-filter: blur(14px);
}

.page-privacy .privacy-nav__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 2px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-privacy .privacy-nav__list::-webkit-scrollbar {
  display: none;
}

.page-privacy .privacy-nav a {
  display: inline-block;
  white-space: nowrap;
  padding: 8px 15px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-size: 14px;
  line-height: 1;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--t-micro) var(--ease), background-color var(--t-micro) var(--ease), border-color var(--t-micro) var(--ease);
}

.page-privacy .privacy-nav a:hover,
.page-privacy .privacy-nav a:focus-visible {
  color: var(--text-primary);
  background: rgba(53, 240, 192, 0.1);
  border-color: rgba(53, 240, 192, 0.35);
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-chapters {
  display: grid;
}

.page-privacy .privacy-chapter {
  position: relative;
  display: grid;
  grid-template-columns: var(--pv-rail) minmax(0, 1fr);
  gap: clamp(16px, 3vw, 32px);
  padding: clamp(26px, 4.6vw, 46px) 0;
  scroll-margin-top: 160px;
}

.page-privacy .privacy-chapter::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--pv-rule-strong), rgba(53, 240, 192, 0));
}

.page-privacy .chapter-rail {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.page-privacy .chapter-num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 30px);
  font-weight: 700;
  letter-spacing: 0.06em;
  font-variant-numeric: tabular-nums;
  color: var(--signal-lime);
  line-height: 1;
}

.page-privacy .chapter-rail::after {
  content: "";
  flex: 1;
  width: 1px;
  min-height: 36px;
  margin-left: 7px;
  background: linear-gradient(180deg, var(--pv-rule), rgba(53, 240, 192, 0));
}

.page-privacy .chapter-body {
  min-width: 0;
}

.page-privacy .chapter-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-privacy .chapter-summary {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: clamp(16px, 1.9vw, 18px);
  line-height: 1.75;
  color: var(--text-primary);
}

.page-privacy .chapter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

/* ---------- 可展开细则 ---------- */
.page-privacy .chapter-more {
  margin-top: 18px;
  border: 1px solid var(--midnight-line);
  border-radius: var(--r-card);
  background: var(--midnight-800);
  overflow: hidden;
  transition: border-color var(--t-micro) var(--ease);
}

.page-privacy .chapter-more[open] {
  border-color: rgba(53, 240, 192, 0.32);
}

.page-privacy .chapter-more summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 20px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--lime-soft);
}

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

.page-privacy .chapter-more summary::after {
  content: "";
  flex: none;
  width: 9px;
  height: 9px;
  margin-right: 4px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform var(--t-micro) var(--ease);
}

.page-privacy .chapter-more[open] summary::after {
  transform: rotate(-135deg) translate(-2px, -2px);
}

.page-privacy .chapter-detail {
  padding: 0 20px 20px;
}

.page-privacy .chapter-detail p {
  margin: 0 0 14px;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-muted);
}

.page-privacy .privacy-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 13px;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 22px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-muted);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 12px;
  height: 2px;
  border-radius: 2px;
  background: var(--signal-lime);
}

.page-privacy .privacy-list strong {
  color: var(--text-primary);
  font-weight: 600;
}

.page-privacy .privacy-list a,
.page-privacy .chapter-detail a {
  color: var(--lime-soft);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-privacy .privacy-list a:hover,
.page-privacy .chapter-detail a:hover {
  color: var(--text-primary);
}

/* ---------- 结尾面板 ---------- */
.page-privacy .privacy-foot {
  display: grid;
  gap: 18px;
  margin: clamp(30px, 6vw, 60px) 0 clamp(40px, 7vw, 80px);
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--midnight-line);
  border-radius: var(--r-panel);
  background: linear-gradient(135deg, var(--midnight-700), var(--midnight-800));
}

.page-privacy .privacy-foot__line {
  margin: 0;
  max-width: 66ch;
  font-size: clamp(16px, 1.9vw, 18px);
  line-height: 1.75;
  color: var(--text-primary);
}

.page-privacy .privacy-foot__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-privacy .privacy-toplink {
  margin-left: auto;
  font-size: 14px;
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px solid rgba(166, 178, 216, 0.4);
  padding-bottom: 2px;
}

.page-privacy .privacy-toplink:hover {
  color: var(--signal-lime);
  border-bottom-color: var(--signal-lime);
}

/* ---------- 窄屏 ---------- */
@media (max-width: 860px) {
  .page-privacy {
    --pv-rail: auto;
  }

  .page-privacy .privacy-nav {
    top: 66px;
    border-radius: var(--r-card);
  }

  .page-privacy .privacy-chapter {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
    padding: 24px 0;
    scroll-margin-top: 140px;
  }

  .page-privacy .chapter-rail {
    flex-direction: row;
    align-items: center;
    gap: 10px;
  }

  .page-privacy .chapter-rail::after {
    flex: none;
    width: 100%;
    max-width: 96px;
    height: 1px;
    min-height: 0;
    margin-left: 0;
    background: linear-gradient(90deg, var(--pv-rule), rgba(53, 240, 192, 0));
  }

  .page-privacy .privacy-toplink {
    margin-left: 0;
  }
}

@media (max-width: 520px) {
  .page-privacy .privacy-banner {
    border-radius: var(--r-card);
  }

  .page-privacy .chapter-more summary,
  .page-privacy .chapter-detail {
    padding-left: 16px;
    padding-right: 16px;
  }
}
<<<END>>>