.page-privacy {
  --pv-w: 100%;
  position: relative;
  font-family: var(--bb-font-body);
  color: var(--bb-text);
  background: var(--bb-ink);
  line-height: 1.65;
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  position: relative;
  background:
    radial-gradient(760px 340px at 84% -14%, rgba(162, 56, 255, .20), transparent 62%),
    radial-gradient(540px 300px at 4% 8%, rgba(34, 224, 214, .10), transparent 66%);
  border-bottom: 1px solid var(--bb-line);
}

.page-privacy .pv-hero__grid {
  display: grid;
  gap: 26px;
  padding-top: 30px;
  padding-bottom: 34px;
}

.page-privacy .pv-hero__copy {
  min-width: 0;
}

.page-privacy .pv-eyebrow {
  display: inline-block;
  margin: 16px 0 0;
  padding: 4px 12px;
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--bb-steel);
  border: 1px dashed rgba(138, 148, 166, .45);
  border-radius: 999px;
}

.page-privacy .pv-hero h1.bb-title {
  font-family: var(--bb-font-head);
  font-size: clamp(40px, 9vw, 76px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -.01em;
  margin: 12px 0 16px;
  transform: rotate(1.5deg);
  transform-origin: left center;
}

.page-privacy .pv-hero .bb-lead {
  max-width: 56ch;
  margin: 0;
  font-size: 16px;
  color: var(--bb-text-2);
}

.page-privacy .pv-hero__chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
}

.page-privacy .pv-hero__art {
  position: relative;
  margin: 0;
  border: 1px solid var(--bb-line);
  border-radius: var(--bb-radius-lg);
  background: var(--bb-panel);
  overflow: hidden;
  box-shadow: 0 18px 40px -28px rgba(0, 0, 0, .9);
}

.page-privacy .pv-hero__art::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(140deg, rgba(162, 56, 255, .22), transparent 52%, rgba(34, 224, 214, .16)),
    linear-gradient(0deg, rgba(7, 11, 20, .55), transparent 58%);
  pointer-events: none;
}

.page-privacy .pv-hero__art img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

/* ---------- 主体栅格 ---------- */
.page-privacy .pv-layout {
  display: grid;
  gap: 26px;
  padding-top: 34px;
  padding-bottom: 76px;
}

.page-privacy .pv-aside {
  align-self: start;
  min-width: 0;
}

.page-privacy .pv-toc {
  position: sticky;
  top: 96px;
  padding: 16px 14px 18px;
  background: linear-gradient(180deg, rgba(20, 30, 54, .74), rgba(14, 21, 38, .92));
  border: 1px solid var(--bb-line);
  border-radius: var(--bb-radius);
}

.page-privacy .pv-toc__head {
  margin: 0 0 10px;
  padding-left: 4px;
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--bb-steel);
}

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

.page-privacy .pv-toc__list li + li {
  margin-top: 2px;
}

.page-privacy .pv-toc__list a {
  display: block;
  padding: 9px 12px 9px 15px;
  font-size: 14px;
  color: var(--bb-text-2);
  text-decoration: none;
  border-left: 2px solid var(--bb-line);
  border-radius: 0 8px 8px 0;
  transition: color .2s var(--bb-ease), border-color .2s var(--bb-ease), background .2s var(--bb-ease);
}

.page-privacy .pv-toc__list a:hover,
.page-privacy .pv-toc__list a:focus-visible {
  color: var(--bb-text);
  border-left-color: var(--bb-cyan);
  background: rgba(34, 224, 214, .07);
  outline: none;
}

.page-privacy .pv-toc__list a.is-current {
  color: var(--bb-text);
  font-weight: 700;
  border-left-color: var(--bb-violet);
  background: linear-gradient(90deg, rgba(162, 56, 255, .20), rgba(162, 56, 255, 0));
}

/* ---------- 正文 ---------- */
.page-privacy .pv-article {
  min-width: 0;
}

.page-privacy .pv-sec {
  position: relative;
  margin: 0 0 20px;
  padding: 24px 20px 22px;
  background: linear-gradient(180deg, rgba(20, 30, 54, .66), rgba(14, 21, 38, .92));
  border: 1px solid var(--bb-line);
  border-radius: var(--bb-radius);
  box-shadow: 0 22px 44px -34px rgba(0, 0, 0, .95);
}

.page-privacy .pv-sec::before {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  top: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--bb-violet), rgba(162, 56, 255, 0));
  border-radius: 2px;
}

.page-privacy .pv-sec:last-of-type {
  margin-bottom: 0;
}

.page-privacy .pv-sec__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 12px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--bb-line);
}

.page-privacy .pv-sec__num {
  display: inline-block;
  padding: 2px 9px;
  font-size: 12.5px;
  letter-spacing: .12em;
  color: var(--bb-violet);
  border: 1px solid var(--bb-line-violet);
  border-radius: 6px;
  background: rgba(162, 56, 255, .08);
}

.page-privacy .pv-sec__title {
  margin: 0;
  font-family: var(--bb-font-head);
  font-size: clamp(22px, 5.4vw, 30px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--bb-text);
}

.page-privacy .pv-sec__tag {
  margin-left: auto;
  font-family: var(--bb-font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--bb-steel);
  text-transform: uppercase;
}

/* ---------- 段落与列表 ---------- */
.page-privacy .pv-prose p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.72;
  color: var(--bb-text-2);
}

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

.page-privacy .pv-prose strong {
  color: var(--bb-text);
  font-weight: 700;
}

.page-privacy .pv-prose a {
  color: var(--bb-cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(34, 224, 214, .5);
  transition: border-color .2s var(--bb-ease), color .2s var(--bb-ease);
}

.page-privacy .pv-prose a:hover,
.page-privacy .pv-prose a:focus-visible {
  color: var(--bb-text);
  border-bottom-color: var(--bb-orange);
  outline: none;
}

.page-privacy .pv-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-privacy .pv-list > li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--bb-text-2);
}

.page-privacy .pv-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 11px;
  height: 2px;
  background: var(--bb-steel);
  border-radius: 2px;
}

.page-privacy .pv-note {
  margin: 18px 0 0;
  padding: 14px 16px;
  font-size: 15px;
  color: var(--bb-text-2);
  background: rgba(162, 56, 255, .09);
  border-left: 3px solid var(--bb-violet);
  border-radius: 0 var(--bb-radius) var(--bb-radius) 0;
}

/* ---------- 键值块 ---------- */
.page-privacy .pv-kv {
  display: grid;
  gap: 10px;
  margin: 18px 0 16px;
}

.page-privacy .pv-kv__item {
  padding: 13px 14px;
  background: rgba(7, 11, 20, .6);
  border: 1px solid var(--bb-line);
  border-radius: 12px;
  min-width: 0;
}

.page-privacy .pv-kv__k {
  margin: 0 0 5px;
  font-family: var(--bb-font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--bb-cyan);
}

.page-privacy .pv-kv__v {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--bb-text-2);
}

.page-privacy .pv-kv__v a {
  color: var(--bb-cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(34, 224, 214, .5);
}

.page-privacy .pv-kv__v a:hover,
.page-privacy .pv-kv__v a:focus-visible {
  color: var(--bb-text);
  border-bottom-color: var(--bb-orange);
  outline: none;
}

/* ---------- 联系方式 ---------- */
.page-privacy .pv-contact {
  display: grid;
  gap: 10px;
  margin: 16px 0 18px;
  padding: 16px;
  background: rgba(7, 11, 20, .62);
  border: 1px solid var(--bb-line);
  border-radius: var(--bb-radius);
  border-left: 3px solid var(--bb-cyan);
}

.page-privacy .pv-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
}

.page-privacy .pv-contact__key {
  min-width: 62px;
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--bb-steel);
}

.page-privacy .pv-contact__val {
  font-size: 15.5px;
  color: var(--bb-text);
  word-break: break-word;
}

/* ---------- 返回顶部 ---------- */
.page-privacy .bb-totop {
  font-family: var(--bb-font-body);
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-privacy .pv-kv {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .pv-hero__grid {
    padding-top: 40px;
    padding-bottom: 44px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-privacy .pv-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
    gap: 46px;
    padding-top: 52px;
    padding-bottom: 52px;
  }

  .page-privacy .pv-layout {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: 48px;
    padding-top: 46px;
  }

  .page-privacy .pv-article {
    max-width: 780px;
  }

  .page-privacy .pv-sec {
    padding: 30px 30px 28px;
    margin-bottom: 24px;
  }

  .page-privacy .pv-sec::before {
    left: 30px;
    right: 30px;
  }

  .page-privacy .pv-prose p,
  .page-privacy .pv-list > li {
    font-size: 16.5px;
  }
}

/* ---------- 窄屏 ---------------------------- */
@media (max-width: 639px) {
  .page-privacy .pv-sec__tag {
    margin-left: 0;
    width: 100%;
  }

  .page-privacy .pv-hero h1.bb-title {
    transform: rotate(1.2deg);
  }

  .page-privacy .pv-toc {
    position: static;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-hero h1.bb-title {
    transform: none;
  }

  .page-privacy .pv-toc__list a,
  .page-privacy .pv-prose a {
    transition: none;
  }
}