.page-privacy {
  --pv-ink: #0A2244;
  --pv-sub: #41577A;
  --pv-line: rgba(220, 231, 245, .16);
  --pv-line-soft: rgba(220, 231, 245, .09);
  --pv-dark: rgba(12, 44, 92, .55);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  padding: 56px 0 42px;
  border-bottom: 1px solid var(--pv-line-soft);
}

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

.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: .4;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(120% 96% at 14% 8%, rgba(5, 22, 47, .28) 0%, rgba(5, 22, 47, .9) 62%),
    linear-gradient(180deg, rgba(5, 22, 47, .5) 0%, rgba(5, 22, 47, .98) 100%);
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 2;
}

.page-privacy .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
}

.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible {
  color: var(--lime);
}

.page-privacy .breadcrumb li[aria-current] {
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
}

.page-privacy .privacy-hero__eyebrow {
  margin: 24px 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--lime);
}

.page-privacy .privacy-hero h1 {
  margin: 0 0 16px;
  max-width: 14em;
  font-size: clamp(30px, 7vw, 52px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -.02em;
  color: #FFFFFF;
}

.page-privacy .privacy-hero__lead {
  margin: 0 0 22px;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.82;
  color: var(--mist);
}

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

/* ---------- 正文骨架 ---------- */
.page-privacy .privacy-body {
  padding: 32px 0 16px;
}

.page-privacy .privacy-toc {
  margin-bottom: 24px;
  padding: 16px 14px;
  border: 1px solid var(--pv-line-soft);
  background: var(--pv-dark);
  border-radius: var(--r-lg);
}

.page-privacy .privacy-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--mist);
}

.page-privacy .privacy-toc__list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-toc__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 10px;
  border-radius: var(--r-sm);
  color: var(--ink);
  font-size: 14.5px;
  line-height: 1.5;
  text-decoration: none;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.page-privacy .privacy-toc__list a:hover,
.page-privacy .privacy-toc__list a:focus-visible {
  background: rgba(44, 123, 234, .2);
  color: #FFFFFF;
}

.page-privacy .privacy-toc__idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lime);
}

.page-privacy .privacy-sections {
  display: grid;
  gap: 20px;
  min-width: 0;
}

/* ---------- 条目外壳 ---------- */
.page-privacy .privacy-sec {
  padding: 24px 20px;
  border: 1px solid var(--pv-line-soft);
  border-radius: var(--r-xl);
  scroll-margin-top: 96px;
}

.page-privacy .privacy-sec--deep {
  background: linear-gradient(160deg, rgba(12, 44, 92, .72) 0%, rgba(5, 22, 47, .58) 100%);
}

.page-privacy .privacy-sec--paper {
  background: var(--porcelain);
  border-color: transparent;
}

.page-privacy .privacy-sec--accent {
  background: linear-gradient(150deg, rgba(12, 44, 92, .92) 0%, rgba(18, 74, 143, .5) 100%);
  border-color: rgba(200, 255, 61, .34);
}

.page-privacy .privacy-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-privacy .privacy-sec__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: clamp(26px, 5vw, 40px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--lime);
}

.page-privacy .privacy-sec--paper .privacy-sec__num {
  color: var(--brand-blue);
}

.page-privacy .privacy-sec h2 {
  margin: 0;
  font-size: clamp(20px, 3.4vw, 28px);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-privacy .privacy-sec--paper h2 {
  color: var(--pv-ink);
}

.page-privacy .privacy-sec > p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--mist);
}

.page-privacy .privacy-sec--paper > p {
  color: var(--pv-sub);
}

.page-privacy .privacy-sec > p:last-child {
  margin-bottom: 0;
}

/* ---------- 01 三类信息卡片 ---------- */
.page-privacy .privacy-cards {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.page-privacy .privacy-card {
  padding: 18px 16px;
  border: 1px solid var(--pv-line);
  background: rgba(243, 247, 252, .05);
  border-radius: var(--r-lg);
}

.page-privacy .privacy-card__tag {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--lime);
}

.page-privacy .privacy-card h3 {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page-privacy .privacy-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-card li {
  position: relative;
  padding-left: 14px;
  margin-bottom: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-privacy .privacy-card li:last-child {
  margin-bottom: 0;
}

.page-privacy .privacy-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--signal);
}

/* ---------- 02 流向与用途 ---------- */
.page-privacy .privacy-flow {
  display: grid;
  gap: 8px;
  margin: 22px 0 4px;
}

.page-privacy .privacy-flow__node {
  display: grid;
  gap: 3px;
  padding: 14px 16px;
  border: 1px solid var(--stroke);
  border-left: 4px solid var(--ember);
  background: #FFFFFF;
  border-radius: var(--r-md);
}

.page-privacy .privacy-flow__node .num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--brand-blue);
}

.page-privacy .privacy-flow__node strong {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--pv-ink);
}

.page-privacy .privacy-flow__node em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--pv-sub);
}

.page-privacy .privacy-flow__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--ember);
}

.page-privacy .privacy-uses {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-privacy .privacy-use {
  padding: 16px;
  border: 1px solid var(--stroke);
  background: #FFFFFF;
  border-radius: var(--r-md);
}

.page-privacy .privacy-use h3 {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--pv-ink);
}

.page-privacy .privacy-use p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--pv-sub);
}

/* ---------- 03 保留期限与保护 ---------- */
.page-privacy .privacy-keep {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pv-line);
}

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

.page-privacy .privacy-keep__k {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--lime);
}

.page-privacy .privacy-keep__v {
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-privacy .privacy-shield {
  margin-top: 22px;
  padding: 16px 18px;
  border: 1px dashed rgba(200, 255, 61, .42);
  border-radius: var(--r-lg);
}

.page-privacy .privacy-shield h3 {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 700;
  color: var(--lime);
}

.page-privacy .privacy-shield ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-shield li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink);
}

.page-privacy .privacy-shield li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--lime);
  transform: rotate(45deg);
}

/* ---------- 04 权利与处理方式 ---------- */
.page-privacy .privacy-folds {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.page-privacy .privacy-fold {
  border: 1px solid var(--stroke);
  background: #FFFFFF;
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-privacy .privacy-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--pv-ink);
  transition: background .2s var(--ease);
}

.page-privacy .privacy-fold summary::-webkit-details-marker {
  display: none;
}

.page-privacy .privacy-fold summary:hover {
  background: rgba(44, 123, 234, .08);
}

.page-privacy .privacy-fold summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -2px;
}

.page-privacy .privacy-fold summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--brand-blue);
}

.page-privacy .privacy-fold[open] summary::after {
  content: "–";
}

.page-privacy .privacy-fold[open] summary {
  background: rgba(44, 123, 234, .06);
}

.page-privacy .privacy-fold__body {
  padding: 12px 16px 16px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--pv-sub);
}

.page-privacy .privacy-sec > p.privacy-sec__foot {
  margin: 18px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--stroke);
  font-size: 14px;
  line-height: 1.7;
  color: var(--pv-sub);
}

/* ---------- 05 更新与联系 ---------- */
.page-privacy .privacy-sec--accent > p {
  color: var(--ink);
}

.page-privacy .privacy-sec--accent a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .privacy-sec--accent a:hover,
.page-privacy .privacy-sec--accent a:focus-visible {
  color: #FFFFFF;
}

.page-privacy .privacy-sec > p.privacy-mail {
  margin: 16px 0 18px;
  padding: 14px 16px;
  border: 1px solid rgba(200, 255, 61, .34);
  border-radius: var(--r-md);
  background: rgba(5, 22, 47, .55);
  font-family: var(--font-mono);
  font-size: clamp(15px, 3.6vw, 19px);
  letter-spacing: .02em;
  line-height: 1.5;
  color: var(--lime);
  word-break: break-all;
}

/* ---------- 返回顶部 ---------- */
.page-privacy .privacy-backtop {
  padding: 8px 0 52px;
  text-align: center;
}

.page-privacy .privacy-backtop__btn {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-privacy .privacy-hero {
    padding: 76px 0 56px;
  }

  .page-privacy .privacy-sec {
    padding: 30px 28px 28px;
  }

  .page-privacy .privacy-uses {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .privacy-shield ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .privacy-keep li {
    grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 860px) {
  .page-privacy .privacy-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .privacy-flow {
    grid-template-columns: minmax(0, 1fr) 34px minmax(0, 1fr) 34px minmax(0, 1fr);
    align-items: stretch;
  }
}

@media (min-width: 1024px) {
  .page-privacy .privacy-hero {
    padding: 96px 0 68px;
  }

  .page-privacy .privacy-body {
    display: grid;
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    padding: 56px 0 24px;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 32px;
    margin-bottom: 0;
  }

  .page-privacy .privacy-sections {
    gap: 26px;
  }

  .page-privacy .privacy-sec {
    padding: 36px 40px 34px;
  }

  .page-privacy .privacy-sec__head {
    gap: 20px;
    margin-bottom: 18px;
  }

  .page-privacy .privacy-backtop {
    padding-bottom: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy *,
  .page-privacy *::before,
  .page-privacy *::after {
    transition: none !important;
    animation: none !important;
  }
}