.page-privacy {
  --pv-max: 1100px;
  --pv-read: 44em;
  --pv-ink-soft: #c6d1dc;
  --pv-ink-body: #d3dde6;
  background: var(--night-deep);
  color: var(--paper);
  overflow-x: hidden;
}

/* ---------- 顶部通栏 ---------- */
.page-privacy .pv-head {
  position: relative;
  isolation: isolate;
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-media {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.page-privacy .pv-media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center 40%;
  opacity: .38;
}

.page-privacy .pv-media__veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 80% at 78% 12%, rgba(53, 224, 176, .14) 0%, rgba(53, 224, 176, 0) 58%),
    linear-gradient(180deg, rgba(8, 20, 38, .58) 0%, rgba(8, 20, 38, .9) 58%, var(--night-deep) 100%);
}

.page-privacy .pv-head__inner {
  position: relative;
  z-index: 1;
  max-width: var(--pv-max);
  margin: 0 auto;
  padding: 56px 20px 48px;
}

.page-privacy .pv-ruler {
  height: 10px;
  margin-bottom: 26px;
  background-image:
    repeating-linear-gradient(90deg, var(--line-strong) 0 1px, transparent 1px 14px),
    repeating-linear-gradient(90deg, var(--line-soft) 0 1px, transparent 1px 4px);
  background-size: 100% 10px, 100% 5px;
  background-position: top left, bottom left;
  background-repeat: repeat-x;
  opacity: .75;
}

.page-privacy .breadcrumb {
  margin-bottom: 22px;
}

.page-privacy .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--neon);
  margin: 0 0 10px;
}

.page-privacy .pv-h1 {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(32px, 7vw, 54px);
  line-height: 1.06;
  letter-spacing: -.025em;
  margin: 0 0 18px;
  color: var(--paper);
}

.page-privacy .pv-lead {
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.95;
  color: var(--pv-ink-soft);
  max-width: var(--pv-read);
  margin: 0 0 20px;
}

.page-privacy .pv-stamp {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
  margin: 0;
  padding: 6px 0 6px 12px;
  border-left: 3px solid var(--blaze);
}

/* ---------- 主体栅格 ---------- */
.page-privacy .pv-grid {
  max-width: var(--pv-max);
  margin: 0 auto;
  padding: 0 20px 64px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
}

.page-privacy .pv-body {
  max-width: 760px;
  order: 1;
}

.page-privacy .pv-toc {
  order: 2;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

/* ---------- 章节 ---------- */
.page-privacy .pv-sec {
  padding: 32px 0 8px;
  scroll-margin-top: 120px;
}

.page-privacy .pv-sec + .pv-sec {
  border-top: 1px solid var(--line-soft);
  margin-top: 34px;
}

.page-privacy .pv-sec__head {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.page-privacy .pv-sec__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--neon);
}

.page-privacy .pv-sec__title {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.35;
  letter-spacing: -.015em;
  color: var(--paper);
  margin: 0;
}

.page-privacy .pv-body p {
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.95;
  color: var(--pv-ink-body);
  max-width: var(--pv-read);
  margin: 0 0 16px;
}

/* ---------- 条目标签表 ---------- */
.page-privacy .pv-def {
  margin: 20px 0 22px;
  border-top: 1px solid var(--line-soft);
  max-width: var(--pv-read);
}

.page-privacy .pv-def__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .pv-def__key {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--neon);
  margin: 0;
}

.page-privacy .pv-def__val {
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.9;
  color: var(--pv-ink-body);
  margin: 0;
}

/* ---------- 可展开补充 ---------- */
.page-privacy .pv-more {
  max-width: var(--pv-read);
  margin: 0 0 8px;
  padding: 12px 16px;
  border-left: 3px solid var(--violet);
  background: rgba(124, 77, 255, .08);
}

.page-privacy .pv-more > summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 13.5px;
  letter-spacing: .05em;
  color: #b39cff;
}

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

.page-privacy .pv-more > summary::after {
  content: " ＋";
  font-family: var(--font-mono);
}

.page-privacy .pv-more[open] > summary::after {
  content: " －";
}

.page-privacy .pv-more p {
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.9;
  color: var(--pv-ink-soft);
  max-width: none;
  margin: 12px 0 0;
}

/* ---------- 联系方式 ---------- */
.page-privacy .pv-contact {
  margin: 22px 0 10px;
  display: grid;
  gap: 10px;
  max-width: var(--pv-read);
}

.page-privacy .pv-contact__row {
  display: grid;
  gap: 8px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .pv-contact__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-privacy .pv-contact__plain {
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.8;
  color: var(--pv-ink-body);
}

.page-privacy .pv-copy {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  justify-self: start;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px 12px;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 13.5px;
  cursor: pointer;
  transition: border-color .18s ease, color .18s ease, background-color .18s ease;
}

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

.page-privacy .pv-copy.is-copied {
  border-color: var(--grass);
  background: rgba(31, 169, 122, .12);
  color: var(--neon);
}

.page-privacy .pv-copy__tag {
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-privacy .pv-copy.is-copied .pv-copy__tag {
  color: var(--neon);
}

/* ---------- 延伸阅读 ---------- */
.page-privacy .pv-sec--related {
  padding-bottom: 0;
}

.page-privacy .pv-links {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: var(--pv-read);
}

.page-privacy .pv-links li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .pv-links a {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 15.5px;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}

.page-privacy .pv-links a:hover,
.page-privacy .pv-links a:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

.page-privacy .pv-links span {
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 右侧粘性目录 ---------- */
.page-privacy .pv-toc__title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--mist);
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}

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

.page-privacy .pv-toc__link {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  align-items: baseline;
  gap: 6px;
  padding: 8px 8px 8px 10px;
  font-family: var(--font-data);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}

.page-privacy .pv-toc__link:hover,
.page-privacy .pv-toc__link:focus-visible {
  color: var(--neon);
  border-left-color: var(--neon);
  background: rgba(53, 224, 176, .07);
}

.page-privacy .pv-toc__no {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--grass);
}

.page-privacy .pv-toc__note {
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.8;
  color: var(--mist);
  margin: 22px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .pv-toc__note .num {
  font-size: 18px;
  color: var(--blaze);
}

/* ---------- 回到顶部 ---------- */
.page-privacy .pv-top {
  position: fixed;
  right: 14px;
  bottom: 18px;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 13px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--paper);
  text-decoration: none;
  transition: border-color .18s ease, color .18s ease;
}

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

.page-privacy .pv-top__arrow {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--neon);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 700px) {
  .page-privacy .pv-def__row {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

  .page-privacy .pv-sec__head {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 16px;
  }

  .page-privacy .pv-sec__title {
    font-size: 26px;
  }

  .page-privacy .pv-contact__row {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: center;
  }

  .page-privacy .pv-links li {
    grid-template-columns: 268px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 1000px) {
  .page-privacy .pv-grid {
    grid-template-columns: minmax(0, 1fr) 236px;
    column-gap: 76px;
    padding: 0 28px 96px;
  }

  .page-privacy .pv-head__inner {
    padding: 92px 28px 72px;
  }

  .page-privacy .pv-toc {
    order: 2;
    position: sticky;
    top: 128px;
    align-self: start;
    border-top: 0;
    padding-top: 0;
    border-left: 1px solid var(--line-soft);
    padding-left: 22px;
  }

  .page-privacy .pv-sec {
    padding: 48px 0 12px;
  }

  .page-privacy .pv-sec + .pv-sec {
    margin-top: 48px;
  }

  .page-privacy .pv-top {
    right: 26px;
    bottom: 28px;
  }
}

@media (min-width: 1180px) {
  .page-privacy .pv-links {
    max-width: 760px;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-copy,
  .page-privacy .pv-toc__link,
  .page-privacy .pv-links a,
  .page-privacy .pv-top {
    transition: none;
  }
}
</main>