.page-privacy {
  --pp-rule: rgba(124, 147, 168, 0.24);
  --pp-ink-soft: rgba(237, 234, 227, 0.78);
  background:
    radial-gradient(1100px 520px at 82% -6%, rgba(183, 245, 66, 0.08), transparent 62%),
    radial-gradient(760px 440px at 4% 10%, rgba(55, 214, 196, 0.06), transparent 66%);
  color: var(--bb-paper);
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
}

/* 首屏 */
.page-privacy .pp-hero {
  padding-top: clamp(1.2rem, 3vw, 2.2rem);
}
.page-privacy .pp-kicker {
  margin: 1.3rem 0 0.7rem;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bb-lime);
}
.page-privacy .pp-title {
  font-family: var(--bb-serif);
  font-weight: 900;
  font-size: clamp(2.1rem, 6.4vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0 0 1rem;
}
.page-privacy .pp-lead {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(1rem, 1.5vw, 1.08rem);
  line-height: 1.82;
  color: var(--pp-ink-soft);
}

/* 顶部窄幅视觉 */
.page-privacy .pp-banner {
  margin: clamp(1.6rem, 4vw, 2.6rem) 0 0;
}
.page-privacy .pp-banner .bb-media__frame {
  border-radius: var(--bb-radius);
  border: 1px solid var(--bb-line);
  overflow: hidden;
  background: linear-gradient(120deg, #0d1216 0%, #16202a 46%, #101a18 100%);
}
.page-privacy .pp-banner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-privacy .pp-banner .bb-media__caption {
  margin-top: 0.7rem;
  font-size: 0.78rem;
  color: var(--bb-steel);
}

/* 主体布局 */
.page-privacy .pp-layout {
  margin-top: clamp(2.4rem, 6vw, 4.2rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.8rem, 5vw, 3.4rem);
}

/* 目录 */
.page-privacy .pp-toc {
  border-left: 2px solid var(--bb-line);
  padding-left: 1rem;
}
.page-privacy .pp-toc__title {
  margin: 0 0 0.85rem;
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  color: var(--bb-steel);
}
.page-privacy .pp-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.page-privacy .pp-toc__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--bb-line);
  border-radius: 999px;
  background: var(--bb-glass);
  color: var(--pp-ink-soft);
  font-size: 0.84rem;
  text-decoration: none;
  transition: color var(--bb-dur) ease, border-color var(--bb-dur) ease, background var(--bb-dur) ease;
}
.page-privacy .pp-toc__link .bb-mono {
  font-size: 0.72rem;
  color: var(--bb-lime);
}
.page-privacy .pp-toc__link:hover,
.page-privacy .pp-toc__link:focus-visible {
  color: var(--bb-paper);
  border-color: rgba(183, 245, 66, 0.55);
  background: rgba(183, 245, 66, 0.07);
}
.page-privacy .pp-toc__link:focus-visible,
.page-privacy .pp-links__item:focus-visible,
.page-privacy .pp-top:focus-visible {
  outline: 2px solid var(--bb-lime);
  outline-offset: 2px;
}

/* 正文栏 */
.page-privacy .pp-body {
  max-width: 68ch;
  display: grid;
  gap: clamp(2.6rem, 6vw, 4rem);
}
.page-privacy .pp-section {
  scroll-margin-top: 6.5rem;
}
.page-privacy .pp-section__head {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding-bottom: 0.8rem;
  margin-bottom: 1.3rem;
  border-bottom: 1px solid var(--bb-line);
}
.page-privacy .pp-num {
  flex: none;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--bb-void);
  background: var(--bb-lime);
  border-radius: 6px;
  padding: 0.18rem 0.5rem;
}
.page-privacy .pp-section__title {
  margin: 0;
  font-family: var(--bb-serif);
  font-weight: 700;
  font-size: clamp(1.28rem, 3.2vw, 1.7rem);
  letter-spacing: -0.005em;
}
.page-privacy .pp-sub {
  margin: 1.9rem 0 0.7rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--bb-paper);
}
.page-privacy .pp-text {
  margin: 0 0 1.1rem;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pp-ink-soft);
}

/* 强调句 */
.page-privacy .pp-emph {
  margin: 1.4rem 0 0;
  padding: 0.9rem 1.1rem;
  border-left: 3px solid var(--bb-lime);
  border-radius: 0 var(--bb-radius-sm) var(--bb-radius-sm) 0;
  background: linear-gradient(90deg, rgba(183, 245, 66, 0.09), transparent 72%);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--bb-paper);
}

/* 三组信息卡 */
.page-privacy .pp-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}
.page-privacy .pp-card {
  display: grid;
  align-content: start;
  gap: 0.6rem;
  padding: 1.1rem 1.05rem 1.25rem;
  background: var(--bb-carbon);
  border: 1px solid var(--bb-line);
  border-radius: var(--bb-radius);
}
.page-privacy .pp-card:first-child {
  border-color: rgba(55, 214, 196, 0.34);
}
.page-privacy .pp-card__tag {
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  color: var(--bb-steel);
}
.page-privacy .pp-card__title {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--bb-paper);
}
.page-privacy .pp-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}
.page-privacy .pp-card__list li {
  position: relative;
  padding-left: 1rem;
  font-size: 14px;
  line-height: 1.7;
  color: var(--pp-ink-soft);
}
.page-privacy .pp-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--bb-lime);
}

/* 说明行 */
.page-privacy .pp-rows {
  display: grid;
  border-top: 1px solid var(--pp-rule);
  margin-top: 0.4rem;
}
.page-privacy .pp-row {
  display: grid;
  gap: 0.3rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--pp-rule);
}
.page-privacy .pp-row__key {
  margin: 0;
  font-family: var(--bb-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--bb-cyan);
}
.page-privacy .pp-row__val {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--pp-ink-soft);
}

/* 信息流向表 */
.page-privacy .pp-flow {
  margin: 1.3rem 0 0;
  border: 1px solid var(--bb-line);
  border-radius: var(--bb-radius);
  overflow: hidden;
  background: var(--bb-carbon);
}
.page-privacy .pp-flow__head {
  display: none;
}
.page-privacy .pp-flow__row {
  display: grid;
  gap: 0.32rem;
  padding: 0.95rem 1rem;
  border-bottom: 1px solid var(--pp-rule);
}
.page-privacy .pp-flow__row:last-child {
  border-bottom: 0;
}
.page-privacy .pp-flow__a {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--bb-paper);
}
.page-privacy .pp-flow__b {
  font-size: 14px;
  line-height: 1.68;
  color: var(--pp-ink-soft);
}
.page-privacy .pp-flow__c {
  font-family: var(--bb-mono);
  font-size: 0.76rem;
  color: var(--bb-cyan);
}

/* 条目列表 */
.page-privacy .pp-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}
.page-privacy .pp-list li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pp-ink-soft);
}
.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.62rem;
  height: 2px;
  background: var(--bb-lime);
}

/* 页尾 */
.page-privacy .pp-tail {
  padding-top: clamp(1rem, 3vw, 1.6rem);
  border-top: 1px solid var(--bb-line);
}
.page-privacy .pp-tail__label {
  margin: 0 0 0.9rem;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--bb-steel);
}
.page-privacy .pp-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.6rem;
}
.page-privacy .pp-links__item {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--bb-line);
  border-radius: var(--bb-radius-sm);
  background: var(--bb-glass);
  color: var(--bb-paper);
  font-size: 14.5px;
  line-height: 1.55;
  text-decoration: none;
  transition: border-color var(--bb-dur) ease, background var(--bb-dur) ease;
}
.page-privacy .pp-links__item .bb-mono {
  flex: none;
  font-size: 0.72rem;
  color: var(--bb-lime);
}
.page-privacy .pp-links__item:hover {
  border-color: rgba(183, 245, 66, 0.5);
  background: rgba(183, 245, 66, 0.07);
}
.page-privacy .pp-top {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 1.6rem;
  padding: 0.62rem 1.1rem;
  border: 1px solid rgba(183, 245, 66, 0.5);
  border-radius: 999px;
  background: transparent;
  color: var(--bb-paper);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: background var(--bb-dur) ease, color var(--bb-dur) ease;
}
.page-privacy .pp-top:hover {
  background: var(--bb-lime);
  color: var(--bb-void);
}

/* 平板及以上 */
@media (min-width: 720px) {
  .page-privacy .pp-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-privacy .pp-row {
    grid-template-columns: 10rem minmax(0, 1fr);
    gap: 0.3rem 1.1rem;
    align-items: start;
  }
  .page-privacy .pp-row__key {
    padding-top: 0.28rem;
  }
  .page-privacy .pp-flow__head {
    display: grid;
    grid-template-columns: 1fr 1.5fr 0.9fr;
    gap: 1rem;
    padding: 0.7rem 1rem;
    background: var(--bb-glass);
    border-bottom: 1px solid var(--bb-line);
    font-family: var(--bb-mono);
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    color: var(--bb-steel);
  }
  .page-privacy .pp-flow__row {
    grid-template-columns: 1fr 1.5fr 0.9fr;
    gap: 1rem;
    align-items: baseline;
    padding: 0.85rem 1rem;
  }
  .page-privacy .pp-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* 桌面：粘性目录 + 长文窄栏 */
@media (min-width: 1000px) {
  .page-privacy .pp-layout {
    grid-template-columns: minmax(180px, 214px) minmax(0, 1fr);
    gap: clamp(2.6rem, 6vw, 5rem);
    align-items: start;
  }
  .page-privacy .pp-toc {
    position: sticky;
    top: 6.5rem;
  }
  .page-privacy .pp-toc__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0.1rem;
  }
  .page-privacy .pp-toc__link {
    display: flex;
    padding: 0.52rem 0.05rem;
    border: 0;
    border-bottom: 1px solid transparent;
    border-radius: 0;
    background: transparent;
    font-size: 0.88rem;
  }
  .page-privacy .pp-toc__link:hover,
  .page-privacy .pp-toc__link:focus-visible {
    background: transparent;
    border-bottom-color: var(--bb-lime);
  }
  .page-privacy .pp-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-privacy .pp-text {
    font-size: 15.5px;
  }
}

@media (max-width: 560px) {
  .page-privacy .pp-text,
  .page-privacy .pp-list li,
  .page-privacy .pp-row__val,
  .page-privacy .pp-card__list li {
    font-size: 16px;
  }
  .page-privacy .pp-flow__b::before {
    content: "用途 · ";
    font-family: var(--bb-mono);
    font-size: 0.7rem;
    color: var(--bb-steel);
  }
  .page-privacy .pp-flow__c::before {
    content: "存放 · ";
    font-family: var(--bb-mono);
    font-size: 0.7rem;
    color: var(--bb-steel);
  }
}

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