/* ============ 数据与隐私 · 页面专属样式 ============ */
.page-privacy {
  --pv-line: rgba(11, 42, 38, .16);
  --pv-line-soft: rgba(11, 42, 38, .08);
  --pv-mute: rgba(20, 24, 26, .62);
  --pv-pocket: rgba(11, 42, 38, .045);
  --pv-r: 16px;
  --pv-r-sm: 10px;
  background: var(--paper);
  color: var(--char);
}

/* ---------- 顶部横幅 ---------- */
.page-privacy .pv-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink-deep);
  color: var(--paper);
  padding: clamp(5rem, 11vw, 8rem) 0 clamp(2.5rem, 6vw, 4rem);
}

.page-privacy .pv-hero__art {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-privacy .pv-hero__art img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: .3;
}

.page-privacy .pv-hero__art::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(115% 85% at 8% 0%, rgba(18, 58, 51, .40), rgba(11, 42, 38, .96) 62%),
    linear-gradient(180deg, rgba(11, 42, 38, .5), rgba(11, 42, 38, .99) 90%);
}

.page-privacy .pv-hero__inner {
  position: relative;
  z-index: 1;
}

.page-privacy .crumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .45rem;
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--txt-faint);
  margin-bottom: clamp(2rem, 6vw, 3.5rem);
}

.page-privacy .crumbs a {
  color: var(--cyan-mist);
  text-decoration: none;
}

.page-privacy .crumbs a:hover {
  color: var(--cyan);
}

.page-privacy .crumbs__sep {
  color: rgba(94, 122, 114, .9);
}

.page-privacy .pv-hero .eyebrow {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 .9rem;
}

.page-privacy .pv-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.5rem, 8vw, 5rem);
  line-height: .98;
  letter-spacing: .01em;
  margin: 0 0 1.15rem;
  max-width: 18ch;
  color: var(--paper);
}

.page-privacy .pv-hero .lede {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.85;
  color: var(--txt-dim);
}

.page-privacy .pv-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.5rem;
  margin: 1.85rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(53, 240, 200, .22);
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--txt-faint);
}

/* ---------- 两栏骨架 ---------- */
.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(3rem, 8vw, 6rem);
  align-items: start;
}

@media (min-width: 960px) {
  .page-privacy .pv-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(3rem, 6vw, 5.5rem);
  }
}

/* ---------- 左侧章节索引 ---------- */
.page-privacy .pv-index {
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--pv-line);
}

.page-privacy .pv-index__label {
  margin: 0 0 .85rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--pv-mute);
}

.page-privacy .pv-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}

.page-privacy .pv-index__list a {
  display: flex;
  align-items: center;
  gap: .55rem;
  min-height: 44px;
  padding: .5rem .85rem;
  border: 1px solid var(--pv-line);
  border-radius: var(--pill);
  background: transparent;
  color: var(--ink-mid);
  font-size: .9rem;
  text-decoration: none;
  transition: background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-privacy .pv-index__list a:hover {
  border-color: var(--ink-mid);
  background: var(--pv-pocket);
}

.page-privacy .pv-index__list a:focus-visible {
  outline: 2px solid var(--ink-mid);
  outline-offset: 2px;
}

.page-privacy .pv-index__num {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--pv-mute);
}

@media (min-width: 960px) {
  .page-privacy .pv-index {
    position: sticky;
    top: 104px;
    padding-bottom: 0;
    border-bottom: 0;
  }

  .page-privacy .pv-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: .1rem;
  }

  .page-privacy .pv-index__list a {
    border-color: transparent;
    border-radius: var(--pv-r-sm);
    padding: .5rem .6rem;
  }
}

/* ---------- 条款区 ---------- */
.page-privacy .pv-clauses {
  display: grid;
  gap: clamp(2.5rem, 5vw, 3.75rem);
  min-width: 0;
}

.page-privacy .pv-clause {
  padding-top: 1.75rem;
  border-top: 2px solid var(--ink-deep);
  scroll-margin-top: 110px;
}

.page-privacy .pv-clause__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .5rem .9rem;
  margin-bottom: 1.15rem;
}

.page-privacy .pv-clause__num {
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .1em;
  color: var(--ink-deep);
  padding: .2rem .6rem;
  border: 1px solid var(--pv-line);
  border-radius: var(--pill);
  background: var(--pv-pocket);
}

.page-privacy .pv-clause h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 3.4vw, 1.95rem);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--ink-deep);
}

.page-privacy .pv-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .95rem;
  max-width: 68ch;
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 1.6rem;
  line-height: 1.8;
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .82em;
  width: 10px;
  height: 1px;
  background: var(--ink-mid);
}

.page-privacy .pv-list strong {
  color: var(--ink-deep);
  font-weight: 600;
}

.page-privacy .pv-body p {
  margin: 1.15rem 0 0;
  max-width: 68ch;
  line-height: 1.85;
}

.page-privacy .pv-body a {
  color: var(--ink-mid);
  text-decoration: none;
  border-bottom: 1px solid var(--pv-line);
}

.page-privacy .pv-body a:hover {
  border-bottom-color: var(--ink-mid);
}

.page-privacy .pv-term {
  font-style: normal;
  text-decoration: none;
  color: var(--ink-deep);
  border-bottom: 1px dashed var(--ink-mid);
  cursor: help;
}

/* ---------- 对照表 ---------- */
.page-privacy .pv-table-wrap {
  margin-top: 1.85rem;
  border: 1px solid var(--pv-line);
  border-radius: var(--pv-r);
  background: rgba(255, 255, 255, .55);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .pv-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: .95rem;
}

.page-privacy .pv-table caption {
  text-align: left;
  padding: 1rem 1.25rem .35rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--pv-mute);
}

.page-privacy .pv-table th,
.page-privacy .pv-table td {
  padding: .85rem 1.25rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--pv-line-soft);
  line-height: 1.65;
}

.page-privacy .pv-table thead th {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  font-weight: 500;
  color: var(--pv-mute);
  white-space: nowrap;
  border-bottom: 1px solid var(--pv-line);
}

.page-privacy .pv-table tbody th {
  font-weight: 600;
  color: var(--ink-deep);
  white-space: nowrap;
}

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

.page-privacy .pv-table tbody td:nth-child(3) {
  font-family: var(--font-mono);
  font-size: .86rem;
  color: var(--ink-mid);
}

.page-privacy .pv-table tbody tr:last-child th,
.page-privacy .pv-table tbody tr:last-child td {
  border-bottom: 0;
}

/* ---------- 相关入口 ---------- */
.page-privacy .pv-links {
  padding-top: clamp(1.75rem, 4vw, 2.5rem);
  border-top: 1px solid var(--pv-line);
}

.page-privacy .pv-links__title {
  margin: 0 0 1.25rem;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--pv-mute);
}

.page-privacy .pv-links__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .85rem;
}

@media (min-width: 720px) {
  .page-privacy .pv-links__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-privacy .pv-link-card {
  display: block;
  padding: 1.15rem 1.25rem;
  border: 1px solid var(--pv-line);
  border-radius: var(--pv-r);
  background: rgba(255, 255, 255, .5);
  color: var(--char);
  text-decoration: none;
  transition: border-color .22s var(--ease), background-color .22s var(--ease), transform .22s var(--ease);
}

.page-privacy .pv-link-card:hover {
  border-color: var(--ink-mid);
  background: #fff;
  transform: translateY(-2px);
}

.page-privacy .pv-link-card:focus-visible {
  outline: 2px solid var(--ink-mid);
  outline-offset: 2px;
}

.page-privacy .pv-link-card__k {
  display: block;
  margin-bottom: .5rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--pv-mute);
}

.page-privacy .pv-link-card__t {
  display: block;
  margin-bottom: .35rem;
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--ink-deep);
}

.page-privacy .pv-link-card__d {
  display: block;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--pv-mute);
}

/* ---------- 回到顶部 ---------- */
.page-privacy .pv-top {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right));
  bottom: calc(5.5rem + env(safe-area-inset-bottom));
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  min-height: 44px;
  padding: 0 1rem;
  border: 1px solid rgba(53, 240, 200, .3);
  border-radius: var(--pill);
  background: rgba(11, 42, 38, .92);
  color: var(--cyan);
  font-size: .8rem;
  letter-spacing: .04em;
  text-decoration: none;
  backdrop-filter: blur(6px);
  transition: background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-privacy .pv-top:hover {
  background: var(--ink-mid);
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-privacy .pv-top:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

@media (min-width: 960px) {
  .page-privacy .pv-top {
    right: 2rem;
    bottom: 2rem;
  }
}

@media (max-width: 600px) {
  .page-privacy .pv-top {
    font-size: .76rem;
    padding: 0 .85rem;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-link-card {
    transition: none;
  }

  .page-privacy .pv-link-card:hover {
    transform: none;
  }

  .page-privacy .pv-index__list a,
  .page-privacy .pv-top {
    transition: none;
  }
}