.page-privacy {
  --privacy-measure: 70ch;
  --privacy-toc-w: 216px;
  padding-bottom: clamp(56px, 8vw, 104px);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  padding: clamp(26px, 5vw, 54px) 0 clamp(20px, 3vw, 34px);
}

.page-privacy .privacy-title {
  margin: 14px 0 0;
  font-size: clamp(2.4rem, 7vw, 4.4rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.025em;
  color: var(--paper);
}

.page-privacy .privacy-lede {
  max-width: 64ch;
  margin: 20px 0 0;
  font-size: 1.02rem;
  line-height: 1.92;
  color: var(--paper-dim);
}

.page-privacy .version-strip {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  margin: 30px 0 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: rgba(10, 12, 18, 0.62);
  overflow: hidden;
}

.page-privacy .version-strip li {
  flex: 1 1 150px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 13px 18px;
  border-right: 1px solid var(--line);
}

.page-privacy .version-strip li:last-child {
  border-right: 0;
}

.page-privacy .vs-key {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--slate);
}

.page-privacy .vs-val {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  color: var(--gold);
}

.page-privacy .privacy-figure {
  margin: 30px 0 0;
}

/* ---------- 双栏骨架 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  gap: clamp(30px, 4vw, 56px);
  margin-top: clamp(30px, 5vw, 58px);
  padding-top: clamp(24px, 3.5vw, 38px);
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-doc {
  max-width: var(--privacy-measure);
}

/* ---------- 迷你目录 ---------- */
.page-privacy .privacy-toc {
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: rgba(10, 12, 18, 0.55);
  padding: 18px 16px;
}

.page-privacy .toc-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-privacy .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .toc-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 8px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--paper-dim);
  font-size: 0.9rem;
  line-height: 1.45;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-privacy .toc-link:hover {
  background: var(--gold-soft);
  color: var(--paper);
}

.page-privacy .toc-link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 1px;
  background: var(--gold-soft);
  color: var(--paper);
}

.page-privacy .toc-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-privacy .toc-foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 0.76rem;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 章节点 ---------- */
.page-privacy .doc-section {
  scroll-margin-top: 112px;
}

.page-privacy .doc-section + .doc-section {
  margin-top: clamp(42px, 6vw, 70px);
  padding-top: clamp(32px, 4.5vw, 50px);
  border-top: 1px solid var(--line);
}

.page-privacy .doc-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
}

.page-privacy .doc-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--gold);
  border: 1px solid rgba(227, 169, 60, 0.38);
  border-radius: var(--radius-pill);
  padding: 3px 11px;
}

.page-privacy .doc-heading {
  margin: 0;
  font-size: clamp(1.22rem, 2.2vw, 1.58rem);
  font-weight: 800;
  letter-spacing: -0.012em;
  line-height: 1.35;
  color: var(--paper);
}

.page-privacy .doc-body p {
  margin: 0 0 16px;
  font-size: 0.98rem;
  line-height: 1.92;
  color: var(--paper-dim);
}

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

.page-privacy .doc-body a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(227, 169, 60, 0.4);
}

.page-privacy .doc-body a:hover,
.page-privacy .doc-body a:focus-visible {
  border-bottom-color: var(--gold);
  outline: none;
}

.page-privacy .doc-body a:focus-visible {
  box-shadow: 0 0 0 2px var(--gold);
  border-radius: 3px;
}

.page-privacy .mono-inline {
  font-family: var(--font-mono);
  font-size: 0.88em;
  letter-spacing: 0.02em;
  word-break: break-all;
}

/* ---------- 三类信息卡 ---------- */
.page-privacy .collect-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .collect-item {
  border: 1px solid var(--line);
  border-left-width: 3px;
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.022);
  padding: 16px 18px;
}

.page-privacy .collect-item--gold {
  border-left-color: var(--gold);
}

.page-privacy .collect-item--celadon {
  border-left-color: var(--celadon);
}

.page-privacy .collect-item--cinnabar {
  border-left-color: var(--cinnabar);
}

.page-privacy .collect-key {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--paper);
}

.page-privacy .collect-val {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.86;
  color: var(--paper-dim);
}

/* ---------- 目的 / 请求条目 ---------- */
.page-privacy .purpose-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-privacy .purpose-list li {
  display: grid;
  gap: 6px;
  padding-left: 14px;
  border-left: 1px solid var(--line);
}

.page-privacy .purpose-key {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--celadon);
}

.page-privacy .purpose-val {
  font-size: 0.94rem;
  line-height: 1.86;
  color: var(--paper-dim);
}

/* ---------- 保存期限 ---------- */
.page-privacy .retention-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-privacy .retention-list li {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .ret-key {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-privacy .ret-val {
  font-size: 0.94rem;
  line-height: 1.86;
  color: var(--paper-dim);
}

/* ---------- 证据边界 ---------- */
.page-privacy .evidence-note {
  margin: 0 0 18px;
  padding: 4px 0 4px 15px;
  border-left: 2px solid var(--cinnabar);
  font-size: 0.9rem;
  line-height: 1.86;
  color: var(--slate);
}

.page-privacy .evidence-note strong {
  margin-right: 6px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--cinnabar);
}

/* ---------- 术语注释 ---------- */
.page-privacy .term-note {
  margin: 0 0 18px;
}

.page-privacy .term-note details {
  border: 1px dashed var(--line);
  border-radius: 10px;
  background: rgba(122, 107, 214, 0.07);
  padding: 10px 14px;
}

.page-privacy .term-note summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.07em;
  color: var(--violet);
}

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

.page-privacy .term-note summary::before {
  content: "[+] ";
}

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

.page-privacy .term-note summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-privacy .term-note p {
  margin: 10px 0 0;
  font-size: 0.88rem;
  line-height: 1.82;
  color: var(--slate);
}

/* ---------- 相关页面 ---------- */
.page-privacy .privacy-refs {
  margin-top: clamp(46px, 7vw, 78px);
  padding-top: clamp(26px, 4vw, 38px);
  border-top: 1px solid var(--line);
}

.page-privacy .refs-title {
  margin: 0 0 16px;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-privacy .refs-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--line);
  overflow: hidden;
}

.page-privacy .refs-list li {
  background: var(--ink-night);
}

.page-privacy .refs-list a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 18px;
  text-decoration: none;
  color: var(--paper-dim);
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-privacy .refs-list a:hover {
  background: var(--gold-soft);
  color: var(--paper);
}

.page-privacy .refs-list a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
  background: var(--gold-soft);
  color: var(--paper);
}

.page-privacy .ref-key {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--paper);
}

.page-privacy .ref-val {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.03em;
  color: var(--slate);
  text-align: right;
}

/* ---------- 中屏适配 ---------- */
@media (min-width: 640px) {
  .page-privacy .retention-list li {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }
}

/* ---------- 桌面双栏 ---------- */
@media (min-width: 1000px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr) var(--privacy-toc-w);
    grid-template-areas: "doc toc";
    align-items: start;
  }

  .page-privacy .privacy-doc {
    grid-area: doc;
  }

  .page-privacy .privacy-toc {
    grid-area: toc;
    position: sticky;
    top: 104px;
  }
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 620px) {
  .page-privacy .version-strip li {
    flex: 1 1 100%;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .page-privacy .version-strip li:last-child {
    border-bottom: 0;
  }

  .page-privacy .refs-list a {
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
  }

  .page-privacy .ref-val {
    text-align: left;
  }

  .page-privacy .doc-head {
    flex-wrap: wrap;
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .toc-link,
  .page-privacy .refs-list a {
    transition: none;
  }
}