.page-privacy {
  --pv-index-w: 216px;
  --pv-body-w: 760px;
  padding-bottom: clamp(48px, 8vw, 120px);
}

/* ---------- 面包屑 ---------- */
.page-privacy .crumbs {
  padding-top: clamp(20px, 3vw, 32px);
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  position: relative;
  max-width: 960px;
  padding: clamp(24px, 4vw, 48px) 0 clamp(20px, 3vw, 34px);
}

.page-privacy .pv-hero .eyebrow {
  color: var(--lime);
}

.page-privacy .pv-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(28px, 4.4vw, 50px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 18ch;
}

.page-privacy .pv-hero .lead {
  margin-top: 18px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-privacy .pv-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 40px;
  margin: 30px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.page-privacy .pv-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-privacy .pv-hero__facts .num {
  font-family: var(--mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
}

.page-privacy .pv-hero__unit {
  font-size: 13px;
  color: var(--muted);
}

.page-privacy .pv-hero__cap {
  margin-left: 4px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

/* ---------- 开篇抽象视觉 ---------- */
.page-privacy .pv-visual {
  position: relative;
  margin: clamp(24px, 4vw, 44px) 0 0;
  border: 1px solid var(--line);
  background:
    repeating-linear-gradient(0deg, rgba(44, 71, 64, 0.45) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(90deg, rgba(44, 71, 64, 0.45) 0 1px, transparent 1px 32px),
    var(--teal);
  overflow: hidden;
}

.page-privacy .pv-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.45) brightness(0.78);
  opacity: 0.9;
}

.page-privacy .pv-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 21, 15, 0.1) 0%, rgba(8, 21, 15, 0.72) 100%);
  pointer-events: none;
}

.page-privacy .pv-visual figcaption {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 14px;
  z-index: 2;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 主布局：索引 + 正文 ---------- */
.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(34px, 6vw, 68px);
}

/* ---------- 章节索引 ---------- */
.page-privacy .pv-index__kicker {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.page-privacy .pv-index__list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.4;
  color: var(--muted);
  text-decoration: none;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-privacy .pv-index__list .num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--heat);
  font-variant-numeric: tabular-nums;
}

.page-privacy .pv-index__list a:hover,
.page-privacy .pv-index__list a:focus-visible {
  color: var(--ink);
  border-color: var(--lime);
  background: rgba(200, 255, 77, 0.06);
}

.page-privacy .pv-index__list a:hover .num,
.page-privacy .pv-index__list a:focus-visible .num {
  color: var(--lime);
}

/* ---------- 正文章节 ---------- */
.page-privacy .pv-body {
  max-width: var(--pv-body-w);
  min-width: 0;
}

.page-privacy .pv-sec {
  padding-top: clamp(28px, 4vw, 46px);
  margin-top: clamp(28px, 4vw, 46px);
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--masthead-h) + 20px);
}

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

.page-privacy .pv-sec--last {
  padding-bottom: 4px;
}

.page-privacy .pv-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-privacy .pv-sec__num {
  flex: none;
  font-family: var(--mono);
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 700;
  line-height: 1;
  color: var(--heat);
  font-variant-numeric: tabular-nums;
}

.page-privacy .pv-sec__title {
  margin: 0;
  font-size: clamp(19px, 2.2vw, 25px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-privacy .pv-sec > p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
  max-width: 58ch;
}

.page-privacy .pv-sec > p:last-child {
  margin-bottom: 0;
}

/* ---------- 信息类别定义清单 ---------- */
.page-privacy .pv-defs {
  border: 1px solid var(--line);
  background: var(--bg);
}

.page-privacy .pv-defs__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 15px 16px;
  border-top: 1px solid var(--line);
  transition: background 160ms var(--ease);
}

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

.page-privacy .pv-defs__row:hover {
  background: var(--surface-2);
}

.page-privacy .pv-defs__key {
  margin: 0;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--lime);
}

.page-privacy .pv-defs__val {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 用途条目 ---------- */
.page-privacy .pv-uses {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-privacy .pv-uses li {
  padding: 16px 18px;
  background: var(--surface);
  border-left: 3px solid transparent;
  transition: border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-privacy .pv-uses li:hover {
  background: var(--surface-2);
  border-left-color: var(--lime);
}

.page-privacy .pv-uses__title {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
}

.page-privacy .pv-uses__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 保存期限 ---------- */
.page-privacy .pv-keep {
  display: grid;
  gap: 14px;
}

.page-privacy .pv-keep__item {
  padding-left: 16px;
  border-left: 2px solid var(--line);
  transition: border-color 160ms var(--ease);
}

.page-privacy .pv-keep__item:hover {
  border-left-color: var(--amber);
}

.page-privacy .pv-keep__time {
  margin: 0 0 4px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-privacy .pv-keep__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 权利折叠面板 ---------- */
.page-privacy .fold {
  border: 1px solid var(--line);
  border-top: 0;
  background: var(--surface);
}

.page-privacy .fold:first-of-type {
  border-top: 1px solid var(--line);
}

.page-privacy .fold__summary {
  display: block;
  padding: 15px 18px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  transition: background 160ms var(--ease), color 160ms var(--ease);
}

.page-privacy .fold__summary:hover {
  background: var(--surface-2);
  color: var(--lime);
}

.page-privacy .fold[open] .fold__summary {
  color: var(--lime);
  border-bottom: 1px solid var(--line);
}

.page-privacy .fold__body {
  padding: 14px 18px 18px;
}

.page-privacy .fold__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 58ch;
}

/* ---------- 安全措施 ---------- */
.page-privacy .pv-safe {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-privacy .pv-safe__item {
  padding: 16px 18px;
  background: var(--bg);
  transition: background 160ms var(--ease);
}

.page-privacy .pv-safe__item:hover {
  background: var(--surface);
}

.page-privacy .pv-safe__label {
  margin: 0 0 7px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-privacy .pv-safe__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 联系区块 ---------- */
.page-privacy .pv-reach {
  border: 1px solid var(--line);
  background: var(--teal);
}

.page-privacy .pv-reach__line {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 16px;
  border-top: 1px solid rgba(44, 71, 64, 0.85);
}

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

.page-privacy .pv-reach__label {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-privacy .pv-reach__value {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink);
  word-break: break-word;
}

.page-privacy .pv-reach__note,
.page-privacy .pv-reach__more {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 58ch;
}

.page-privacy .pv-reach__note .link,
.page-privacy .pv-reach__more .link {
  color: var(--lime);
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 900px) {
  .page-privacy .pv-layout {
    grid-template-columns: var(--pv-index-w) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 76px);
  }

  .page-privacy .pv-index {
    position: sticky;
    top: calc(var(--masthead-h) + 28px);
    align-self: start;
  }

  .page-privacy .pv-index__kicker {
    padding-bottom: 12px;
    border-bottom: 1px solid var(--line);
  }

  .page-privacy .pv-index__list {
    display: grid;
    gap: 0;
    margin-top: 4px;
  }

  .page-privacy .pv-index__list a {
    padding: 11px 10px 11px 12px;
    border: 0;
    border-left: 2px solid transparent;
    background: none;
  }

  .page-privacy .pv-index__list a:hover,
  .page-privacy .pv-index__list a:focus-visible {
    background: rgba(200, 255, 77, 0.05);
    border-left-color: var(--lime);
    border-top-color: transparent;
    border-right-color: transparent;
    border-bottom-color: transparent;
  }

  .page-privacy .pv-defs__row {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }

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

  .page-privacy .pv-reach__line {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 560px) {
  .page-privacy .pv-hero__facts {
    gap: 12px 24px;
  }

  .page-privacy .pv-hero__facts .num {
    font-size: 25px;
  }

  .page-privacy .pv-sec__head {
    gap: 10px;
  }

  .page-privacy .pv-sec__num {
    font-size: 24px;
  }

  .page-privacy .pv-visual figcaption {
    font-size: 11px;
    left: 12px;
    right: 12px;
    bottom: 10px;
  }
}