.page-privacy {
  --pv-index-w: 252px;
  --pv-gap: clamp(28px, 4vw, 72px);
  padding-bottom: clamp(64px, 8vw, 120px);
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  display: grid;
  gap: clamp(24px, 3vw, 44px);
  padding-block: clamp(24px, 4vw, 56px) clamp(32px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-hero__text {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-privacy .pv-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(44px, 9vw, 92px);
  line-height: 0.96;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-privacy .pv-hero .lead {
  max-width: 62ch;
  color: var(--paper-2);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
}

.page-privacy .pv-hero__keys {
  list-style: none;
  margin: 8px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 24px;
}

.page-privacy .pv-hero__keys li {
  display: grid;
  gap: 4px;
}

.page-privacy .pv-key__num {
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-privacy .pv-key__label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--paper-2);
  letter-spacing: 0.04em;
}

.page-privacy .pv-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-privacy .pv-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-privacy .pv-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: var(--paper-2);
}

/* ---------- 主体栅格 ---------- */
.page-privacy .pv-layout {
  padding-top: clamp(28px, 4vw, 64px);
  display: grid;
  gap: var(--pv-gap);
}

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

/* ---------- 左侧索引 ---------- */
.page-privacy .pv-index {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.page-privacy .pv-index__title {
  margin: 0 0 8px;
  color: var(--paper-2);
}

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

.page-privacy .pv-index__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  color: var(--paper-2);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.45;
  transition: color 0.18s ease, border-color 0.18s ease;
}

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

.page-privacy .pv-index__num {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  flex: 0 0 auto;
}

.page-privacy .pv-index__foot {
  margin-top: 18px;
}

/* ---------- 章节 ---------- */
.page-privacy .pv-sec {
  padding-block: clamp(32px, 4vw, 56px);
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--topbar-h) + 24px);
}

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

.page-privacy .pv-sec .eyebrow {
  margin: 0 0 10px;
  color: var(--paper-2);
}

.page-privacy .pv-sec h2.section__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(28px, 3.6vw, 42px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-privacy .pv-lead {
  max-width: 68ch;
  margin: 0;
  color: var(--paper-2);
  font-size: 16px;
  line-height: 1.8;
}

.page-privacy .pv-lead--after {
  margin-top: clamp(20px, 3vw, 28px);
}

.page-privacy .pv-sec > p + p {
  margin-top: 14px;
}

.page-privacy .pv-sec p a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, 0.4);
}

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

/* ---------- 信息类型 ---------- */
.page-privacy .pv-cards {
  display: grid;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-privacy .pv-card {
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

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

.page-privacy .pv-card__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-privacy .pv-card p {
  margin: 0;
  max-width: 62ch;
  color: var(--paper-2);
  font-size: 15px;
  line-height: 1.78;
}

/* ---------- 使用场景 ---------- */
.page-privacy .pv-use {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
}

.page-privacy .pv-use > li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.page-privacy .pv-use > li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-use__num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--magenta);
  padding-top: 4px;
}

.page-privacy .pv-use__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 17px;
  color: var(--paper);
}

.page-privacy .pv-use p {
  margin: 0;
  max-width: 64ch;
  color: var(--paper-2);
  font-size: 15px;
  line-height: 1.78;
}

/* ---------- 保留期限表格 ---------- */
.page-privacy .pv-table-wrap {
  margin-top: clamp(20px, 3vw, 32px);
  overflow-x: auto;
  border-top: 1px solid var(--line);
}

.page-privacy .pv-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
}

.page-privacy .pv-table th,
.page-privacy .pv-table td {
  text-align: left;
  padding: 14px 20px 14px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  font-size: 15px;
  line-height: 1.7;
}

.page-privacy .pv-table thead th {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-2);
}

.page-privacy .pv-table tbody td {
  color: var(--paper-2);
}

.page-privacy .pv-table tbody td:first-child {
  color: var(--paper);
  font-weight: 500;
  width: 26%;
}

.page-privacy .pv-table .pv-table__term {
  color: var(--amber);
  font-size: 13px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

/* ---------- 折叠面板 ---------- */
.page-privacy .pv-folds {
  margin-top: clamp(24px, 3vw, 36px);
  display: grid;
  gap: 10px;
}

.page-privacy .pv-fold {
  background: var(--ink-800);
  border: 1px solid var(--line);
  padding: 16px 18px;
}

.page-privacy .pv-fold summary {
  cursor: pointer;
  color: var(--paper);
  font-size: 15px;
  line-height: 1.6;
  font-weight: 500;
  list-style: none;
}

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

.page-privacy .pv-fold summary::before {
  content: "＋";
  display: inline-block;
  width: 18px;
  color: var(--cyan);
  font-family: var(--font-mono);
}

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

.page-privacy .pv-fold .fold__body p {
  margin: 0;
  max-width: 66ch;
  color: var(--paper-2);
  font-size: 15px;
  line-height: 1.78;
}

/* ---------- 权利清单 ---------- */
.page-privacy .pv-rights {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
}

.page-privacy .pv-rights > li {
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.page-privacy .pv-rights > li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-rights p {
  margin: 0;
  max-width: 62ch;
  color: var(--paper-2);
  font-size: 15px;
  line-height: 1.78;
}

/* ---------- 联系方式 ---------- */
.page-privacy .pv-contact {
  margin-top: clamp(20px, 3vw, 32px);
  padding: clamp(20px, 3vw, 32px);
  background: var(--ink-800);
  border: 1px solid var(--line);
  display: grid;
  gap: 20px;
}

.page-privacy .pv-contact__item {
  display: grid;
  gap: 8px;
  justify-items: start;
}

.page-privacy .pv-contact__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-2);
}

.page-privacy .pv-contact__value {
  color: var(--paper);
  font-size: 16px;
  line-height: 1.6;
  word-break: break-word;
}

.page-privacy .pv-contact__value.mono {
  letter-spacing: 0.03em;
}

.page-privacy .pv-contact .copy-btn {
  margin-top: 2px;
}

/* ---------- 相关入口 ---------- */
.page-privacy .pv-next {
  margin-top: clamp(30px, 4vw, 48px);
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 20px;
  font-size: 14px;
}

.page-privacy .pv-next__label {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-2);
}

.page-privacy .pv-next a {
  color: var(--cyan);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s ease;
}

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

/* ---------- 检索空态与过滤 ---------- */
.page-privacy .pv-empty {
  margin-top: 20px;
  padding: 16px 18px;
  border: 1px dashed var(--line);
  color: var(--paper-2);
  font-size: 14px;
  line-height: 1.7;
}

.page-privacy .pv-card.is-filtered,
.page-privacy .pv-use > li.is-filtered {
  display: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-privacy .pv-hero__keys {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px 20px;
  }

  .page-privacy .pv-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 56px);
  }

  .page-privacy .pv-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px clamp(24px, 4vw, 48px);
  }
}

@media (min-width: 860px) {
  .page-privacy .pv-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-privacy .pv-rights {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 56px);
  }
}

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

  .page-privacy .pv-index {
    position: sticky;
    top: calc(var(--topbar-h) + 28px);
    max-height: calc(100vh - var(--topbar-h) - 56px);
    overflow-y: auto;
  }

  .page-privacy .pv-body {
    padding-left: clamp(8px, 2vw, 32px);
  }
}

@media (min-width: 1280px) {
  .page-privacy .pv-body {
    padding-left: clamp(16px, 3vw, 56px);
  }

  .page-privacy .pv-layout {
    grid-template-columns: var(--pv-index-w) minmax(0, 1fr) 120px;
  }
}

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