.page-privacy {
  --pv-measure: 66ch;
  padding-block: clamp(16px, 3vw, 32px) clamp(56px, 9vw, 104px);
  color: var(--paper);
}

.page-privacy .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 34px);
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-head {
  display: grid;
  gap: 26px;
}

.page-privacy .pv-head-main {
  display: grid;
  gap: 14px;
  min-width: 0;
}

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

.page-privacy h1 {
  margin: 0;
  font-size: clamp(32px, 6vw, 54px);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-privacy .pv-lede {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.78;
  color: var(--paper);
  opacity: 0.86;
}

.page-privacy .pv-summary {
  position: relative;
  display: grid;
  gap: 14px;
  align-content: start;
  padding: 22px 20px 20px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
}

.page-privacy .pv-summary::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--wine), var(--indigo));
}

.page-privacy .pv-summary .paper-tag {
  justify-self: start;
}

.page-privacy .pv-summary-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .pv-summary-list li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-summary-list li:last-child {
  border-bottom: 0;
}

.page-privacy .pv-k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-privacy .pv-v {
  font-size: 14px;
  font-weight: 700;
  color: var(--paper);
}

.page-privacy .pv-summary .btn {
  justify-self: start;
}

/* ---------- 首图 ---------- */
.page-privacy .pv-figure {
  margin: clamp(36px, 5vw, 64px) 0 0;
  max-width: 960px;
}

.page-privacy .pv-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-privacy .pv-figure .media-caption {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 主体两栏 ---------- */
.page-privacy .pv-body {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  margin-top: clamp(44px, 6vw, 84px);
}

.page-privacy .pv-toc {
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
  min-width: 0;
}

.page-privacy .pv-toc-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-privacy .pv-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 16px;
}

.page-privacy .pv-toc-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-privacy .pv-toc-list a:hover,
.page-privacy .pv-toc-list a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-privacy .pv-toc-idx {
  flex: none;
  min-width: 2ch;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--cyan);
}

/* ---------- 条款长卷 ---------- */
.page-privacy .pv-clauses {
  display: grid;
  gap: clamp(30px, 4vw, 48px);
  min-width: 0;
}

.page-privacy .pv-clause {
  display: block;
  position: relative;
  padding-top: clamp(26px, 3.5vw, 40px);
  scroll-margin-top: 32px;
  min-width: 0;
}

.page-privacy .pv-clause:first-child {
  padding-top: 0;
}

.page-privacy .pv-clause + .pv-clause {
  border-top: 1px solid var(--line);
}

.page-privacy .chapter-band {
  width: 64px;
  height: 3px;
  margin: 0 0 18px;
  background: var(--wine);
  border-radius: 0;
}

.page-privacy .pv-clause--indigo .chapter-band {
  background: var(--indigo);
}

.page-privacy .pv-clause-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.page-privacy .chapter-index {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-privacy .chapter-title {
  margin: 0;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.005em;
}

/* ---------- 正文 ---------- */
.page-privacy .prose {
  max-width: var(--pv-measure);
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--paper);
}

.page-privacy .prose p {
  margin: 0 0 1em;
}

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

.page-privacy .prose a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

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

/* ---------- 键值清单 ---------- */
.page-privacy .pv-keys {
  list-style: none;
  margin: 0 0 1.1em;
  padding: 0;
  max-width: var(--pv-measure);
  border-top: 1px solid var(--line);
}

.page-privacy .pv-keys li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 4px 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-keys-k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-privacy .pv-keys-v {
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
}

/* ---------- 同步示意 ---------- */
.page-privacy .pv-diagram {
  display: block;
  width: 100%;
  max-width: 560px;
  height: auto;
  margin: 4px 0 20px;
}

/* ---------- 折叠 ---------- */
.page-privacy .pv-fold {
  max-width: var(--pv-measure);
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
}

.page-privacy .pv-fold summary {
  cursor: pointer;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  list-style: none;
}

.page-privacy .pv-fold summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pv-fold summary::before {
  content: "+ ";
  color: var(--orange);
}

.page-privacy .pv-fold[open] summary::before {
  content: "− ";
}

.page-privacy .pv-fold p {
  margin: 0;
  padding: 0 16px 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 联系块 ---------- */
.page-privacy .pv-contact {
  display: grid;
  gap: 14px;
  max-width: var(--pv-measure);
  margin-top: 22px;
  padding: 20px 18px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius);
}

.page-privacy .pv-contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
}

.page-privacy .pv-contact-key {
  flex: none;
  min-width: 5.5em;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-privacy .pv-contact-val {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-privacy .pv-copy {
  flex: none;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-privacy .pv-copy:hover,
.page-privacy .pv-copy:focus-visible {
  color: var(--orange);
  border-color: var(--orange);
}

/* ---------- 断点 ---------- */
@media (min-width: 900px) {
  .page-privacy .pv-head {
    grid-template-columns: minmax(0, 1.05fr) minmax(270px, 0.75fr);
    align-items: start;
    gap: clamp(28px, 4vw, 56px);
  }
}

@media (min-width: 1024px) {
  .page-privacy .pv-body {
    grid-template-columns: 244px minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: 32px;
    padding: 0 0 0 20px;
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .page-privacy .pv-toc-list {
    grid-template-columns: 1fr;
  }

  .page-privacy .pv-contact {
    padding: 22px 24px;
  }
}

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