.page-privacy {
  --pv-narrow: 68ch;
  display: block;
}

.page-privacy .pv-head {
  position: relative;
  overflow: hidden;
  padding: 34px 0 0;
}

.page-privacy .pv-head::before {
  content: "";
  position: absolute;
  inset: -70% -20% auto -20%;
  height: 360px;
  background:
    radial-gradient(58% 100% at 72% 0%, rgba(59, 240, 140, .10), transparent 70%),
    radial-gradient(52% 100% at 12% 8%, rgba(255, 138, 60, .09), transparent 72%);
  pointer-events: none;
}

.page-privacy .pv-head__inner {
  position: relative;
}

.page-privacy .pv-head h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 6.6vw, 52px);
  line-height: 1.06;
  letter-spacing: -.022em;
}

.page-privacy .pv-lead {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 16.5px;
  line-height: 1.74;
  color: rgba(243, 247, 252, .8);
}

.page-privacy .pv-meta {
  list-style: none;
  margin: 22px 0 0;
  padding: 0 0 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--metal);
}

.page-privacy .pv-meta li {
  display: flex;
  gap: 7px;
  align-items: baseline;
}

.page-privacy .pv-meta b {
  font-weight: 500;
  color: var(--amber-soft);
}

.page-privacy .pv-hero {
  padding-top: 22px;
}

.page-privacy .pv-hero .media {
  border-radius: var(--r);
}

.page-privacy .pv-layout {
  display: grid;
  gap: 28px;
  padding-top: 28px;
  padding-bottom: 72px;
}

/* ---------- 目录 ---------- */
.page-privacy .pv-toc {
  order: -1;
  background: var(--blue-850);
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  padding: 14px 16px 16px;
}

.page-privacy .pv-toc__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--metal);
}

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

.page-privacy .pv-toc__link {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 6px 11px;
  border: 1px solid var(--line);
  border-radius: 100px;
  font-size: 13.5px;
  line-height: 1.4;
  color: var(--metal);
  text-decoration: none;
  transition: color .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-privacy .pv-toc__link:hover,
.page-privacy .pv-toc__link:focus-visible {
  color: var(--paper);
  border-color: var(--signal-deep);
  background: rgba(59, 240, 140, .1);
}

.page-privacy .pv-toc__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--signal);
}

.page-privacy .pv-toc__top {
  display: none;
}

/* ---------- 正文 ---------- */
.page-privacy .pv-doc {
  max-width: 100%;
}

.page-privacy .pv-sec {
  padding: 30px 0;
  border-top: 1px solid var(--line-soft);
}

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

.page-privacy .pv-sec h2 {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 3.6vw, 26px);
  line-height: 1.26;
  letter-spacing: -.012em;
}

.page-privacy .pv-sec__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--metal);
  padding-top: 2px;
}

.page-privacy .pv-sec p {
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(243, 247, 252, .82);
}

.page-privacy .pv-sec a {
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 240, 140, .4);
}

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

/* ---------- 三类信息卡 ---------- */
.page-privacy .pv-kinds {
  display: grid;
  gap: 12px;
  margin: 18px 0;
}

.page-privacy .pv-kind {
  background: var(--blue-700);
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  padding: 14px 16px 16px;
}

.page-privacy .pv-kind h3 {
  margin: 0 0 9px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--signal);
}

.page-privacy .pv-kind ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-privacy .pv-kind li {
  font-size: 14px;
  line-height: 1.66;
  color: rgba(243, 247, 252, .8);
  padding-left: 12px;
  position: relative;
}

.page-privacy .pv-kind li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 5px;
  height: 1px;
  background: var(--metal);
}

/* ---------- 用途列表 ---------- */
.page-privacy .pv-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15.5px;
  line-height: 1.76;
  color: rgba(243, 247, 252, .82);
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .64em;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--signal);
}

.page-privacy .pv-list strong {
  color: var(--paper);
  font-weight: 600;
}

/* ---------- 重点提示 ---------- */
.page-privacy .pv-callout {
  margin: 20px 0 0;
  background: var(--paper);
  border-radius: var(--r);
  padding: 15px 18px;
}

.page-privacy .pv-callout p {
  margin: 0;
  color: var(--blue-900);
  font-size: 15px;
  line-height: 1.7;
}

/* ---------- 保存期限 ---------- */
.page-privacy .pv-keep {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .pv-keep li {
  display: grid;
  gap: 5px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .pv-keep__k {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .03em;
  color: var(--amber-soft);
}

.page-privacy .pv-keep__v {
  font-size: 15px;
  line-height: 1.72;
  color: rgba(243, 247, 252, .8);
}

/* ---------- 步骤 ---------- */
.page-privacy .pv-steps {
  list-style: none;
  margin: 16px 0;
  padding: 0;
  counter-reset: none;
  display: grid;
  gap: 12px;
}

.page-privacy .pv-steps li {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 15.5px;
  line-height: 1.74;
  color: rgba(243, 247, 252, .82);
}

.page-privacy .pv-steps__num {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  color: var(--signal);
  border: 1px solid rgba(59, 240, 140, .34);
  border-radius: 2px;
  text-align: center;
}

.page-privacy .pv-mail {
  margin: 10px 0 14px;
  padding-left: 14px;
  border-left: 2px solid var(--amber);
}

.page-privacy .pv-mail .data {
  font-size: 16px;
  color: var(--paper);
  word-break: break-all;
}

/* ---------- 回到顶部 ---------- */
.page-privacy .pv-top {
  position: fixed;
  right: 16px;
  bottom: 18px;
  z-index: 20;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: rgba(14, 26, 51, .88);
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  text-decoration: none;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

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

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-privacy .pv-kinds {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .pv-keep li {
    grid-template-columns: 172px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-privacy .pv-keep__k {
    padding-top: 3px;
  }
}

/* ---------- 桌面：右侧窄目录 ---------- */
@media (min-width: 1100px) {
  .page-privacy .pv-head {
    padding-top: 44px;
  }

  .page-privacy .pv-layout {
    grid-template-columns: minmax(0, 1fr) 196px;
    gap: 60px;
    max-width: 920px;
    padding-top: 34px;
  }

  .page-privacy .pv-doc {
    grid-column: 1;
    grid-row: 1;
  }

  .page-privacy .pv-toc {
    order: 0;
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 84px;
    background: transparent;
    border: 0;
    border-left: 1px solid var(--line);
    border-radius: 0;
    padding: 2px 0 0 18px;
  }

  .page-privacy .pv-toc__list {
    display: grid;
    gap: 2px;
  }

  .page-privacy .pv-toc__link {
    display: flex;
    padding: 6px 0;
    border: 0;
    border-radius: 0;
    font-size: 13.5px;
    background: none;
  }

  .page-privacy .pv-toc__link:hover,
  .page-privacy .pv-toc__link:focus-visible {
    background: none;
    color: var(--paper);
  }

  .page-privacy .pv-toc__top {
    display: inline-block;
    margin-top: 14px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .04em;
    color: var(--metal);
    text-decoration: none;
    border-bottom: 1px solid var(--line-strong);
  }

  .page-privacy .pv-toc__top:hover,
  .page-privacy .pv-toc__top:focus-visible {
    color: var(--signal);
    border-bottom-color: var(--signal);
  }

  .page-privacy .pv-top {
    display: none;
  }

  .page-privacy .pv-sec {
    padding: 34px 0;
  }
}

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