.page-privacy {
  --pv-ink: #16304a;
  --pv-ink-soft: #4a637b;
  --pv-cyan-ink: #0e7c78;
  --pv-hair: #c2d5dd;
  --pv-hair-soft: #d7e4e9;
  background: var(--midnight);
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 5.5vw, 66px) 0 clamp(36px, 5.5vw, 72px);
  color: var(--ice);
  background:
    radial-gradient(120% 140% at 88% -12%, rgba(79, 227, 208, .17), transparent 58%),
    radial-gradient(96% 120% at 4% 112%, rgba(42, 58, 114, .58), transparent 62%),
    var(--midnight);
  border-bottom: 3px solid var(--line-strong);
}

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(143, 169, 188, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 169, 188, .055) 1px, transparent 1px);
  background-size: 76px 76px;
}

.page-privacy .pv-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-privacy .pv-hero .breadcrumb__link {
  color: var(--cyan);
  text-decoration: none;
}

.page-privacy .pv-hero .breadcrumb__current {
  color: var(--steel);
}

.page-privacy .pv-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 50px);
  margin-top: clamp(22px, 3vw, 36px);
}

.page-privacy .pv-kicker {
  color: var(--cyan);
  margin: 0;
}

.page-privacy .pv-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(31px, 4.6vw, 60px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--frost);
  margin: 14px 0 18px;
}

.page-privacy .pv-lede {
  max-width: 52ch;
  font-size: clamp(15.5px, 1.45vw, 17.5px);
  line-height: 1.78;
  color: #bfd6e0;
  margin: 0;
}

.page-privacy .pv-hero__figure {
  margin: 0;
  border: 3px solid var(--line-strong);
  box-shadow: 8px 8px 0 rgba(79, 227, 208, .2);
  background: var(--deep);
}

.page-privacy .pv-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-privacy .pv-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(30px, 4vw, 50px);
  border: 1px solid var(--line-strong);
  background: var(--line-strong);
}

.page-privacy .pv-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px;
  background: rgba(6, 20, 40, .76);
}

.page-privacy .pv-stat__figure {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.page-privacy .pv-stat__value {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--amber);
}

.page-privacy .pv-stat__unit {
  font-family: var(--font-narrow);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-privacy .pv-stat__label {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--steel);
}

/* ---------- 正文区 ---------- */
.page-privacy .pv-body {
  background: var(--ice);
  color: var(--pv-ink);
  padding: clamp(40px, 6vw, 86px) 0 clamp(56px, 8vw, 110px);
}

.page-privacy .pv-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4.5vw, 56px);
}

/* 左侧章节目录 */
.page-privacy .pv-toc__inner {
  padding-left: 15px;
  border-left: 2px solid var(--pv-hair);
}

.page-privacy .pv-toc__label {
  color: var(--slate);
  margin: 0 0 10px;
}

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

.page-privacy .pv-toc__link {
  display: block;
  padding: 7px 0;
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--pv-ink-soft);
  text-decoration: none;
  transition: color var(--t) var(--ease);
}

.page-privacy .pv-toc__link .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--pv-cyan-ink);
  margin-right: 8px;
}

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

/* 文档列 */
.page-privacy .pv-readscale {
  position: sticky;
  top: 64px;
  z-index: 4;
  height: 1px;
  margin-bottom: clamp(26px, 4vw, 42px);
  background-image: repeating-linear-gradient(90deg, #9fbcc8 0 8px, transparent 8px 16px);
}

.page-privacy .pv-readscale__fill {
  display: block;
  height: 1px;
  width: 0;
  background: var(--cyan-deep);
  transition: width 140ms linear;
}

.page-privacy .pv-chapter {
  padding-bottom: clamp(30px, 4.4vw, 50px);
  margin-bottom: clamp(30px, 4.4vw, 50px);
  border-bottom: 1px solid var(--pv-hair);
  scroll-margin-top: 92px;
}

.page-privacy .pv-chapter:last-of-type {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.page-privacy .pv-chapter__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--pv-cyan-ink);
  margin: 0;
}

.page-privacy .pv-chapter__title {
  font-family: var(--font-narrow);
  font-weight: 600;
  font-size: clamp(21px, 2.4vw, 29px);
  line-height: 1.32;
  letter-spacing: -0.005em;
  color: var(--midnight);
  margin: 8px 0 clamp(13px, 1.9vw, 19px);
}

.page-privacy .pv-chapter__body {
  max-width: 68ch;
}

.page-privacy .pv-chapter__body > p {
  margin: 0 0 16px;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--pv-ink-soft);
}

.page-privacy .pv-link {
  color: var(--pv-cyan-ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-privacy .pv-link:hover,
.page-privacy .pv-link:focus-visible {
  color: var(--midnight);
}

/* 键值事实表 */
.page-privacy .pv-facts {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  border-top: 1px solid var(--pv-hair);
}

.page-privacy .pv-facts__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px solid var(--pv-hair-soft);
}

.page-privacy .pv-facts__key {
  font-family: var(--font-narrow);
  font-weight: 600;
  font-size: 13.5px;
  letter-spacing: 0.05em;
  line-height: 1.6;
  color: var(--pv-cyan-ink);
}

.page-privacy .pv-facts__val {
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--pv-ink-soft);
}

/* 术语块 */
.page-privacy .pv-term {
  margin: 22px 0 0;
  padding: 17px 19px;
  background: var(--frost);
  border: 1px solid #b9d2da;
  border-left: 3px solid var(--cyan-deep);
  border-radius: 2px;
}

.page-privacy .pv-term__label {
  display: block;
  font-family: var(--font-narrow);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--pv-cyan-ink);
  margin-bottom: 8px;
}

.page-privacy .pv-term p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.76;
  color: var(--pv-ink);
}

/* 收尾 */
.page-privacy .pv-closing {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--pv-hair-soft);
  font-size: 16px;
  line-height: 1.8;
  color: var(--pv-ink);
}

/* ---------- 响应式 ---------- */
@media (max-width: 999px) {
  .page-privacy .pv-toc {
    order: -1;
  }

  .page-privacy .pv-toc__inner {
    padding: 0 0 12px;
    border-left: 0;
    border-bottom: 1px solid var(--pv-hair);
  }

  .page-privacy .pv-toc__list {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    padding-bottom: 4px;
  }

  .page-privacy .pv-toc__list > li {
    flex: 0 0 auto;
  }

  .page-privacy .pv-toc__link {
    padding: 6px 12px;
    border: 1px solid var(--pv-hair);
    border-radius: 2px;
    white-space: nowrap;
    font-size: 12.5px;
  }

  .page-privacy .pv-readscale {
    top: 0;
  }
}

@media (min-width: 620px) {
  .page-privacy .pv-facts__row {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 26px;
    padding: 15px 0;
  }
}

@media (min-width: 960px) {
  .page-privacy .pv-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-privacy .pv-grid {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(48px, 6vw, 96px);
  }

  .page-privacy .pv-toc__inner {
    position: sticky;
    top: 112px;
  }
}

@media (max-width: 420px) {
  .page-privacy .pv-stat {
    padding: 13px 11px;
  }

  .page-privacy .pv-stat__label {
    font-size: 11.5px;
  }
}

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