.page-privacy {
  --pv-toc: 248px;
  padding-bottom: calc(var(--dock-space) + 24px);
}

.page-privacy .breadcrumb {
  margin: 20px 0 8px;
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  display: grid;
  gap: 24px;
  padding: 8px 0 28px;
}

.page-privacy .pv-hero__intro .kicker {
  margin: 0 0 14px;
}

.page-privacy .pv-hero__intro h1 {
  font-family: var(--font-title);
  font-size: clamp(30px, 6.2vw, 60px);
  line-height: 1.12;
  letter-spacing: 0.02em;
  color: var(--text-strong);
  margin: 0 0 18px;
  text-wrap: balance;
}

.page-privacy .pv-hero__intro .lede {
  max-width: 62ch;
  margin: 0;
}

.page-privacy .pv-quick {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 22px 20px;
  align-self: start;
}

.page-privacy .pv-quick::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--violet) 38%, var(--cyan) 72%, var(--orange));
}

.page-privacy .pv-quick__title {
  margin: 0 0 16px;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-privacy .pv-quick__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .pv-quick__list li {
  display: grid;
  gap: 4px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-quick__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .pv-quick__key {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-strong);
}

.page-privacy .pv-quick__val {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-dim);
}

.page-privacy .pv-figure {
  margin: 0 0 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(135deg, rgba(47, 107, 255, 0.18), rgba(122, 77, 255, 0.12) 45%, rgba(43, 245, 224, 0.1));
}

.page-privacy .pv-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 5 / 2;
  object-fit: cover;
  opacity: 0.86;
}

.page-privacy .pv-figure .media__caption {
  padding: 10px 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--text-dim);
}

/* ---------- 目录 + 正文 ---------- */
.page-privacy .pv-shell {
  display: grid;
  gap: 16px;
  padding-top: 36px;
}

.page-privacy .pv-toc {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(14, 21, 51, 0.72);
  padding: 16px 18px;
}

.page-privacy .pv-toc__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--text-dim);
}

.page-privacy .pv-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.page-privacy .pv-toc__list a {
  display: inline-block;
  padding: 4px 0;
  font-size: 14px;
  color: var(--text);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-privacy .pv-toc__list a:hover {
  color: var(--text-strong);
  border-color: var(--violet);
}

.page-privacy .pv-toc__list a[aria-current] {
  color: var(--cyan);
  border-color: var(--cyan);
}

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

.page-privacy .pv-section {
  border-top: 1px solid var(--line);
  padding: 30px 0 34px;
}

.page-privacy .pv-section:first-child {
  border-top: 0;
  padding-top: 6px;
}

.page-privacy .pv-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-privacy .pv-section__num {
  font-size: 14px;
  color: var(--violet);
  letter-spacing: 0.08em;
}

.page-privacy .pv-section__title {
  font-family: var(--font-title);
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.24;
  letter-spacing: 0.02em;
  color: var(--text-strong);
  margin: 0;
}

.page-privacy .prose {
  max-width: 72ch;
}

.page-privacy .prose p {
  margin: 0 0 1.1em;
  font-size: 16.5px;
  line-height: 1.85;
}

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

.page-privacy .prose a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 245, 224, 0.4);
}

.page-privacy .prose a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 四类信息卡片 ---------- */
.page-privacy .pv-cards {
  display: grid;
  gap: 12px;
  margin: 22px 0 24px;
}

.page-privacy .pv-card {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  display: grid;
  gap: 10px;
  align-content: start;
  transition: border-color 180ms ease;
}

.page-privacy .pv-card:hover {
  border-color: var(--blue);
}

.page-privacy .pv-card__icon {
  color: var(--cyan);
  display: block;
}

.page-privacy .pv-card__title {
  margin: 0;
  font-size: 19px;
  font-weight: 600;
  color: var(--text-strong);
  letter-spacing: 0.01em;
}

.page-privacy .pv-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

.page-privacy .pv-card .tag {
  justify-self: start;
  margin: 0;
}

/* ---------- 用途索引 ---------- */
.page-privacy .pv-purpose {
  margin: 22px 0 0;
}

.page-privacy .pv-purpose .index-list__meta {
  display: block;
  margin-top: 6px;
  line-height: 1.75;
}

/* ---------- 折叠条目 ---------- */
.page-privacy .pv-details {
  margin-top: 20px;
  border-top: 1px solid var(--line);
}

.page-privacy .pv-details details {
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-details summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 30px 16px 0;
  position: relative;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-strong);
}

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

.page-privacy .pv-details summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 18px;
}

.page-privacy .pv-details details[open] summary::after {
  content: "–";
}

.page-privacy .pv-details summary:hover {
  color: var(--cyan);
}

.page-privacy .pv-details__body {
  padding: 0 0 18px;
  max-width: 68ch;
}

.page-privacy .pv-details__body p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
}

/* ---------- 联系与行动 ---------- */
.page-privacy .pv-contact {
  margin: 22px 0 24px;
}

.page-privacy .pv-contact .contact-item {
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  border-radius: var(--radius);
  background: var(--bg-panel);
  padding: 18px 20px;
}

.page-privacy .pv-contact .contact-item__label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-dim);
}

.page-privacy .pv-contact .contact-item__value {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 600;
  color: var(--text-strong);
  word-break: break-word;
}

.page-privacy .pv-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-privacy .pv-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-privacy .pv-top {
  margin-left: auto;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-privacy .pv-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 960px) {
  .page-privacy .pv-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
    align-items: start;
    padding: 16px 0 34px;
  }

  .page-privacy .pv-shell {
    grid-template-columns: var(--pv-toc) minmax(0, 1fr);
    gap: 48px;
    padding-top: 44px;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-privacy .pv-toc__list {
    display: grid;
    gap: 0;
  }

  .page-privacy .pv-toc__list li {
    border-bottom: 1px solid var(--line);
  }

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

  .page-privacy .pv-toc__list a {
    display: block;
    padding: 11px 0;
    border-bottom: 0;
    border-left: 2px solid transparent;
    padding-left: 12px;
  }

  .page-privacy .pv-toc__list a[aria-current] {
    border-left-color: var(--cyan);
    border-bottom-color: transparent;
  }
}

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