.page-privacy {
  --pv-index-w: 252px;
  --pv-gap: clamp(30px, 4.2vw, 76px);
  --pv-panel: linear-gradient(180deg, rgba(19, 42, 42, .74), rgba(7, 18, 15, .74));
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  padding-block: clamp(22px, 3.4vw, 48px) clamp(26px, 3.6vw, 46px);
}

.page-privacy .pv-hero .eyebrow {
  color: var(--c-cyan);
  letter-spacing: .22em;
}

.page-privacy .pv-hero h1 {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(30px, 5.6vw, 62px);
  line-height: 1.1;
  letter-spacing: -.015em;
  color: var(--c-bright);
  margin: 14px 0 0;
  max-width: 20ch;
}

.page-privacy .pv-hero .lede {
  margin-top: clamp(18px, 2.4vw, 26px);
  max-width: 62ch;
  color: var(--c-silver);
}

.page-privacy .pv-hero-meta {
  list-style: none;
  margin: clamp(26px, 3.4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-hero-meta li {
  background: var(--c-ink);
  padding: 14px 4px 14px 0;
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-privacy .pv-hero-meta .num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 700;
  color: var(--c-cyan);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.page-privacy .pv-meta-label {
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-mist);
}

/* ---------- 氛围图带 ---------- */
.page-privacy .pv-band {
  margin: 0 0 clamp(34px, 5vw, 74px);
}

.page-privacy .pv-band .media-frame {
  border: 1px solid var(--line-soft);
}

/* ---------- 双栏骨架 ---------- */
.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pv-gap);
  align-items: start;
  padding-bottom: clamp(52px, 7vw, 118px);
}

.page-privacy .pv-body {
  min-width: 0;
  max-width: 76ch;
}

/* ---------- 右侧索引 ---------- */
.page-privacy .pv-index {
  border: 1px solid var(--line-soft);
  background: var(--glass-fill);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--radius);
  padding: 16px clamp(16px, 2.6vw, 20px);
}

.page-privacy .pv-index-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--c-mist);
}

.page-privacy .pv-index-list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .pv-index-list li {
  flex: 0 0 auto;
}

.page-privacy .pv-index-list a {
  display: block;
  white-space: nowrap;
  padding: 8px 12px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  color: var(--c-silver);
  font-size: 14px;
  text-decoration: none;
  transition: color .28s var(--ease), border-color .28s var(--ease), background-color .28s var(--ease);
}

.page-privacy .pv-index-list a:hover {
  color: var(--c-bright);
  border-color: var(--c-cyan-deep);
  background: rgba(43, 227, 213, .08);
}

.page-privacy .pv-index-foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  color: var(--c-mist);
  display: flex;
  gap: 8px;
}

.page-privacy .pv-index-foot a {
  color: var(--c-cyan);
  text-decoration: none;
}

.page-privacy .pv-index-foot a:hover {
  color: var(--c-bright);
}

/* ---------- 章节 ---------- */
.page-privacy .pv-section {
  padding-top: clamp(26px, 3.6vw, 44px);
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--header-h) + 26px);
}

.page-privacy .pv-section + .pv-section {
  margin-top: clamp(38px, 6vw, 90px);
}

.page-privacy .pv-section-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-privacy .pv-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--c-ember);
}

.page-privacy .pv-section h2 {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(22px, 3.1vw, 34px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--c-bright);
  margin: 0;
}

.page-privacy .pv-intro {
  margin: clamp(14px, 1.8vw, 20px) 0 0;
  color: var(--c-silver);
  font-size: 16px;
  line-height: 1.8;
  max-width: 60ch;
}

/* ---------- 数据分类卡 ---------- */
.page-privacy .pv-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(12px, 2vw, 18px);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-privacy .pv-card {
  position: relative;
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--c-cyan-deep);
  border-radius: var(--radius);
  background: var(--pv-panel);
  padding: clamp(18px, 2.4vw, 24px);
  transition: border-left-color .3s var(--ease), transform .3s var(--ease);
}

.page-privacy .pv-card:hover {
  border-left-color: var(--c-cyan);
  transform: translateY(-2px);
}

.page-privacy .pv-ico {
  display: block;
  color: var(--c-cyan);
  margin-bottom: 12px;
}

.page-privacy .pv-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--c-bright);
}

.page-privacy .pv-card p {
  margin: 0;
  color: var(--c-silver);
  font-size: 15.5px;
  line-height: 1.78;
}

/* ---------- 用途步骤 ---------- */
.page-privacy .pv-steps {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border-block: 1px solid var(--line-soft);
}

.page-privacy .pv-steps li {
  background: var(--c-ink);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2.4vw, 26px);
  padding: clamp(16px, 2.4vw, 24px) 0;
}

.page-privacy .pv-step-n {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--c-cyan);
  padding-top: 4px;
}

.page-privacy .pv-steps h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--c-bright);
}

.page-privacy .pv-steps p {
  margin: 0;
  color: var(--c-silver);
  font-size: 15.5px;
  line-height: 1.78;
  max-width: 58ch;
}

/* ---------- 条目列表 ---------- */
.page-privacy .pv-list {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 22px;
  color: var(--c-silver);
  font-size: 16px;
  line-height: 1.78;
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 10px;
  height: 2px;
  background: var(--c-cyan);
}

.page-privacy .pv-version {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  margin-top: clamp(22px, 3vw, 32px);
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-mist);
}

.page-privacy .pv-version > span:first-child {
  color: var(--c-gold);
  letter-spacing: .12em;
}

.page-privacy .pv-version .mono {
  color: var(--c-ember);
}

/* ---------- 用户权利 ---------- */
.page-privacy .pv-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(12px, 2vw, 18px);
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
}

.page-privacy .pv-action {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(19, 42, 42, .45);
  padding: clamp(16px, 2.2vw, 22px);
  transition: border-color .3s var(--ease), background-color .3s var(--ease);
}

.page-privacy .pv-action:hover {
  border-color: var(--c-cyan-deep);
  background: rgba(19, 42, 42, .72);
}

.page-privacy .pv-action dt {
  color: var(--c-bright);
  font-weight: 700;
  font-size: 16.5px;
  margin-bottom: 6px;
}

.page-privacy .pv-action dd {
  margin: 0;
  color: var(--c-silver);
  font-size: 15.5px;
  line-height: 1.75;
}

/* ---------- 联系方式 ---------- */
.page-privacy .pv-contact {
  margin-top: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(20px, 3vw, 34px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(43, 227, 213, .14), transparent 58%),
    radial-gradient(110% 130% at 100% 100%, rgba(255, 106, 61, .14), transparent 60%),
    var(--c-ink-deep);
}

.page-privacy .pv-contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  align-content: start;
}

.page-privacy .pv-c-label {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-mist);
}

.page-privacy .pv-c-label:first-child {
  margin-top: 0;
}

.page-privacy .pv-c-val {
  margin: 0;
  color: var(--c-bright);
  font-size: 16px;
  line-height: 1.6;
  word-break: break-word;
}

.page-privacy .pv-c-val.mono {
  font-family: var(--font-mono);
  color: var(--c-cyan);
}

.page-privacy .pv-contact-actions {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-privacy .pv-contact-tip {
  margin: 0;
  color: var(--c-silver);
  font-size: 15px;
  line-height: 1.75;
  max-width: 46ch;
}

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

/* ---------- 焦点可见 ---------- */
.page-privacy a:focus-visible,
.page-privacy .btn:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
  border-radius: var(--radius);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-privacy .pv-hero-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .pv-hero-meta li {
    padding-inline: clamp(14px, 2vw, 22px);
    flex-direction: column;
    gap: 8px;
  }

  .page-privacy .pv-hero-meta li:first-child {
    padding-left: 0;
  }

  .page-privacy .pv-cards,
  .page-privacy .pv-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .pv-contact-grid {
    grid-template-columns: minmax(88px, auto) minmax(0, 1fr);
    gap: 10px 22px;
    align-items: baseline;
  }

  .page-privacy .pv-c-label {
    margin-top: 0;
  }
}

@media (min-width: 1000px) {
  .page-privacy .pv-layout {
    grid-template-columns: minmax(0, 1fr) var(--pv-index-w);
  }

  .page-privacy .pv-body {
    grid-column: 1;
    grid-row: 1;
  }

  .page-privacy .pv-index {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }

  .page-privacy .pv-index-list {
    flex-direction: column;
    gap: 6px;
    overflow: visible;
  }

  .page-privacy .pv-index-list a {
    white-space: normal;
    border-color: transparent;
    border-left: 2px solid var(--line-soft);
    border-radius: 0;
    padding: 6px 10px;
  }

  .page-privacy .pv-index-list a:hover {
    border-left-color: var(--c-cyan);
    background: rgba(43, 227, 213, .06);
  }

  .page-privacy .pv-contact {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }
}

@media (min-width: 1240px) {
  .page-privacy .pv-section h2 {
    font-size: 34px;
  }
}

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

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