.page-privacy {
  --pv-measure: 68ch;
  --pv-sec-gap: 40px;
  display: block;
  background: var(--c-ink);
}

/* ============ 首屏 ============ */
.page-privacy .pv-hero {
  position: relative;
  overflow: hidden;
  padding: 40px 0 36px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(160deg, rgba(47, 233, 198, 0.10) 0%, rgba(6, 18, 14, 0) 58%),
    var(--c-ink);
}

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(195, 204, 210, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(195, 204, 210, 0.07) 1px, transparent 1px);
  background-size: 96px 96px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 78%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 78%);
}

.page-privacy .pv-hero-inner {
  position: relative;
  z-index: 1;
}

.page-privacy .pv-hero .breadcrumb {
  margin-bottom: 20px;
}

.page-privacy .pv-hero .kicker {
  display: inline-block;
  color: var(--c-cyan);
  margin-bottom: 14px;
}

.page-privacy .pv-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-stretch: 87%;
  font-weight: 900;
  font-size: clamp(40px, 9vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--c-mist);
}

.page-privacy .pv-hero .lede {
  max-width: var(--pv-measure);
  margin: 0 0 26px;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--txt-dim);
}

.page-privacy .pv-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .pv-meta .mono {
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--txt-faint);
}

/* ============ 顶部插图 ============ */
.page-privacy .pv-banner {
  padding: 28px 0 4px;
}

.page-privacy .pv-banner .media-frame {
  border: 1px solid var(--line);
  background: var(--c-panel);
}

.page-privacy .pv-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
}

.page-privacy .pv-banner .media-caption {
  padding: 10px 14px;
  border-top: 1px solid var(--line-soft);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--txt-faint);
}

/* ============ 版式骨架 ============ */
.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-top: 36px;
  padding-bottom: 72px;
}

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

/* ============ 小节导航 ============ */
.page-privacy .pv-toc {
  order: -1;
}

.page-privacy .pv-toc-title {
  margin: 0 0 10px;
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--txt-faint);
  text-transform: uppercase;
}

.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: flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--txt-dim);
  font-size: var(--fs-13);
  line-height: 1.4;
  text-decoration: none;
  transition: color var(--t-fast) ease, border-color var(--t-fast) ease, background-color var(--t-fast) ease;
}

.page-privacy .pv-toc-num {
  color: var(--c-cyan);
  font-size: var(--fs-12);
}

.page-privacy .pv-toc-link:hover,
.page-privacy .pv-toc-link:focus-visible {
  color: var(--c-mist);
  border-color: var(--c-cyan);
  background: rgba(47, 233, 198, 0.07);
}

/* ============ 章节通用 ============ */
.page-privacy .pv-sec {
  padding: var(--pv-sec-gap) 0;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .pv-sec:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-privacy .pv-sec-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin-bottom: 22px;
}

.page-privacy .pv-sec-num {
  display: inline-block;
  padding: 1px 8px;
  border: 1px solid rgba(47, 233, 198, 0.45);
  border-radius: var(--radius);
  color: var(--c-cyan);
  font-size: var(--fs-13);
  line-height: 1.7;
  letter-spacing: 0.1em;
}

.page-privacy .pv-sec-title h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-stretch: 87%;
  font-weight: 900;
  font-size: clamp(24px, 4.4vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--c-mist);
}

.page-privacy .pv-sec-sub {
  max-width: var(--pv-measure);
  margin: 0;
  font-size: var(--fs-13);
  line-height: 1.75;
  color: var(--txt-faint);
}

.page-privacy .pv-lead {
  max-width: var(--pv-measure);
  margin: 0 0 22px;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--txt-dim);
}

.page-privacy .pv-note {
  max-width: var(--pv-measure);
  margin: 22px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--c-orange);
  font-size: var(--fs-13);
  line-height: 1.8;
  color: var(--txt-dim);
}

/* ============ 01 信息类型 ============ */
.page-privacy .pv-facts {
  display: grid;
  gap: 1px;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--line-soft);
}

.page-privacy .pv-fact {
  padding: 18px 18px 20px;
  background: rgba(13, 42, 33, 0.6);
}

.page-privacy .pv-fact dt {
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: 0.06em;
  color: var(--c-cyan);
}

.page-privacy .pv-fact dd {
  max-width: var(--pv-measure);
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--txt-dim);
}

/* ============ 02 使用目的 ============ */
.page-privacy .pv-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .pv-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line-soft);
}

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

.page-privacy .pv-step-num {
  padding-top: 4px;
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--c-orange);
}

.page-privacy .pv-step-body h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 700;
  line-height: 1.35;
  color: var(--c-mist);
}

.page-privacy .pv-step-body p {
  max-width: var(--pv-measure);
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--txt-dim);
}

/* ============ 03 存储与安全 ============ */
.page-privacy .pv-guards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-privacy .pv-guard {
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--c-cyan);
  border-radius: var(--radius);
  background: var(--c-panel);
}

.page-privacy .pv-guard:nth-child(2) {
  border-left-color: var(--c-orange);
}

.page-privacy .pv-guard:nth-child(3) {
  border-left-color: var(--c-indigo);
}

.page-privacy .pv-guard:nth-child(4) {
  border-left-color: var(--c-lime);
}

.page-privacy .pv-guard h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: var(--fs-16);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--c-mist);
}

.page-privacy .pv-guard p {
  margin: 0;
  font-size: var(--fs-13);
  line-height: 1.8;
  color: var(--txt-dim);
}

/* ============ 04 权利 ============ */
.page-privacy .pv-rights {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .pv-right {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: transform var(--t-fast) ease;
}

.page-privacy .pv-right:hover {
  transform: translateX(2px);
}

.page-privacy .pv-right-key {
  font-size: var(--fs-16);
  font-weight: 600;
  color: var(--c-mist);
}

.page-privacy .pv-right-where {
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--txt-faint);
}

.page-privacy .pv-fold {
  margin-top: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(17, 20, 23, 0.6);
}

.page-privacy .pv-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: 0.06em;
  color: var(--c-cyan);
  list-style: none;
}

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

.page-privacy .pv-fold summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--fs-16);
  color: var(--txt-faint);
}

.page-privacy .pv-fold[open] summary::after {
  content: "\2212";
}

.page-privacy .pv-fold-body {
  padding: 4px 18px 18px;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .pv-fold-list {
  margin: 0;
  padding-left: 18px;
  max-width: var(--pv-measure);
}

.page-privacy .pv-fold-list li {
  margin: 12px 0 0;
  font-size: var(--fs-13);
  line-height: 1.85;
  color: var(--txt-dim);
}

/* ============ 05 联系 ============ */
.page-privacy .pv-contact {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 20px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--c-cyan);
  border-radius: var(--radius);
  background: var(--c-panel);
}

.page-privacy .pv-contact-label {
  margin: 0 0 6px;
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--txt-faint);
}

.page-privacy .pv-contact-mail {
  margin: 0 0 10px;
  font-size: clamp(17px, 4vw, 22px);
  letter-spacing: 0.02em;
  color: var(--c-cyan);
  word-break: break-all;
}

.page-privacy .pv-contact-note {
  max-width: var(--pv-measure);
  margin: 0;
  font-size: var(--fs-13);
  line-height: 1.8;
  color: var(--txt-dim);
}

.page-privacy .pv-contact-act {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.page-privacy .pv-copy-status {
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--c-lime);
}

.page-privacy .pv-related {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-privacy .pv-related-title {
  margin: 0 0 12px;
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--txt-faint);
}

.page-privacy .pv-related-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .pv-related-list .link {
  font-size: var(--fs-16);
  line-height: 1.6;
}

/* ============ 平板 ============ */
@media (min-width: 720px) {
  .page-privacy .pv-sec-head {
    gap: 18px;
  }

  .page-privacy .pv-fact {
    padding: 20px 22px 22px;
  }

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

  .page-privacy .pv-right {
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
    gap: 24px;
  }

  .page-privacy .pv-right-where {
    text-align: right;
  }

  .page-privacy .pv-contact {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    padding: 24px 26px;
  }

  .page-privacy .pv-contact-act {
    flex: none;
    flex-direction: column;
    align-items: flex-end;
  }
}

/* ============ 桌面：正文 + 右侧小节导航 ============ */
@media (min-width: 1000px) {
  .page-privacy .pv-layout {
    grid-template-columns: minmax(0, 1fr) 232px;
    gap: 56px;
    padding-top: 44px;
  }

  .page-privacy .pv-toc {
    order: 0;
    position: sticky;
    top: 96px;
    padding-top: 4px;
  }

  .page-privacy .pv-toc-list {
    display: block;
    border-top: 1px solid var(--line-strong);
    padding-top: 4px;
  }

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

  .page-privacy .pv-toc-link {
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    padding: 8px 0 8px 12px;
    background: none;
    font-size: var(--fs-13);
  }

  .page-privacy .pv-toc-link:hover,
  .page-privacy .pv-toc-link:focus-visible {
    border-left-color: var(--c-cyan);
    background: rgba(47, 233, 198, 0.05);
  }

  .page-privacy .pv-hero {
    padding: 56px 0 44px;
  }
}

/* ============ 大屏 ============ */
@media (min-width: 1280px) {
  .page-privacy .pv-layout {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 72px;
  }
}

/* ============ 动效降级 ============ */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-right,
  .page-privacy .pv-toc-link {
    transition: none;
  }

  .page-privacy .pv-right:hover {
    transform: none;
  }
}