.page-privacy {
  --pv-measure: 48rem;
  --pv-radius: 20px;
  display: block;
}

/* ---------- 页头 ---------- */
.page-privacy .pv-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 84px 0 52px;
  border-bottom: 1px solid var(--c-line);
}

.page-privacy .pv-hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-privacy .pv-hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(10, 19, 16, 0.52) 0%, rgba(10, 19, 16, 0.9) 58%, var(--c-night) 100%);
  pointer-events: none;
}

.page-privacy .pv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background-image:
    linear-gradient(var(--c-line-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--c-line-faint) 1px, transparent 1px);
  background-size: 104px 104px;
  pointer-events: none;
}

.page-privacy .pv-hero-shell {
  position: relative;
  z-index: 3;
}

.page-privacy .pv-crumb-sep {
  margin: 0 8px;
  color: var(--c-mist-faint);
}

.page-privacy .pv-hero .plate {
  margin: 26px 0 0;
}

.page-privacy .pv-hero h1 {
  margin: 14px 0 0;
  max-width: 20ch;
  font-size: clamp(1.85rem, 5.2vw, 3.1rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--c-ice);
}

.page-privacy .pv-lead {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--c-mist);
}

.page-privacy .pv-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-hero-facts li {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.09em;
  color: var(--c-mist);
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  padding: 7px 14px;
  background: rgba(18, 33, 27, 0.55);
}

/* ---------- 布局 ---------- */
.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  padding-top: 44px;
  padding-bottom: 76px;
}

/* ---------- 目录 ---------- */
.page-privacy .pv-toc {
  border: 1px solid var(--c-line);
  border-radius: var(--pv-radius);
  background: rgba(18, 33, 27, 0.62);
  padding: 18px 18px 16px;
}

.page-privacy .pv-toc-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-gold);
  text-transform: uppercase;
}

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

.page-privacy .pv-toc-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--c-line-soft);
  color: var(--c-mist);
  font-size: 0.9rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
}

.page-privacy .pv-toc-list li:last-child a {
  border-bottom: 0;
}

.page-privacy .pv-toc-list a:hover,
.page-privacy .pv-toc-list a:focus-visible {
  color: var(--c-ice);
}

.page-privacy .pv-toc-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-gold);
}

.page-privacy .pv-backtop {
  margin-top: 14px;
  width: 100%;
  justify-content: center;
}

/* ---------- 正文 ---------- */
.page-privacy .pv-body {
  max-width: var(--pv-measure);
}

.page-privacy .pv-sec {
  margin-top: 40px;
  padding-top: 26px;
  border-top: 1px solid var(--c-line);
}

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

.page-privacy .pv-sec > summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 4px 0;
  list-style: none;
  cursor: pointer;
}

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

.page-privacy .pv-sec > summary:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 4px;
  border-radius: 6px;
}

.page-privacy .pv-sec > summary::after {
  content: "收起";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-mist-faint);
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  padding: 3px 10px;
}

.page-privacy .pv-sec:not([open]) > summary::after {
  content: "展开";
}

.page-privacy .pv-sec-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-gold);
}

.page-privacy .pv-sec h2 {
  margin: 0;
  font-size: clamp(1.2rem, 2.4vw, 1.45rem);
  font-weight: 600;
  line-height: 1.4;
  color: var(--c-ice);
}

.page-privacy .pv-sum {
  margin: 18px 0 0;
  padding: 4px 0 4px 16px;
  border-left: 3px solid var(--c-gold);
  font-size: 0.94rem;
  font-weight: 500;
  line-height: 1.8;
  color: var(--c-ice);
}

.page-privacy .pv-body p {
  margin: 16px 0 0;
  font-size: 0.94rem;
  line-height: 1.88;
  color: var(--c-mist);
}

.page-privacy .pv-body a {
  color: var(--c-turf-lit);
  text-decoration: underline;
  text-decoration-color: rgba(61, 143, 100, 0.5);
  text-underline-offset: 3px;
}

.page-privacy .pv-body a:hover {
  color: var(--c-ice);
}

/* ---------- 三类场景 ---------- */
.page-privacy .pv-scenes {
  margin: 22px 0 0;
  display: grid;
  gap: 14px;
}

.page-privacy .pv-scene {
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: rgba(18, 33, 27, 0.55);
  padding: 18px 20px;
}

.page-privacy .pv-scene dt {
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-gold);
}

.page-privacy .pv-scene dd {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--c-ice);
}

/* ---------- 用途列表 ---------- */
.page-privacy .pv-uses {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-privacy .pv-uses li {
  display: grid;
  grid-template-columns: 4.2em minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--c-line-soft);
}

.page-privacy .pv-uses li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .pv-use-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-turf-lit);
  padding-top: 4px;
}

.page-privacy .pv-uses p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--c-ice);
}

/* ---------- 订阅偏好 ---------- */
.page-privacy .pv-pref {
  margin-top: 24px;
  padding: 6px 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--pv-radius);
  background: linear-gradient(155deg, rgba(30, 70, 52, 0.38), rgba(18, 33, 27, 0.82));
}

.page-privacy .pv-pref-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 15px 0;
  border-bottom: 1px solid var(--c-line-soft);
}

.page-privacy .pv-pref-row:last-child {
  border-bottom: 0;
}

.page-privacy .pv-pref-label {
  display: block;
  font-size: 0.94rem;
  color: var(--c-ice);
}

.page-privacy .pv-pref-hint {
  display: block;
  margin-top: 3px;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--c-mist);
}

.page-privacy .pv-switch {
  position: relative;
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.page-privacy .pv-switch input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  margin: 0;
}

.page-privacy .pv-switch-track {
  position: relative;
  width: 46px;
  height: 26px;
  border-radius: var(--r-pill);
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-privacy .pv-switch-track::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--c-mist);
  transition: transform var(--t-mid) var(--ease), background var(--t-fast) var(--ease);
}

.page-privacy .pv-switch input:checked + .pv-switch-track {
  background: var(--c-turf-deep);
  border-color: var(--c-turf-lit);
}

.page-privacy .pv-switch input:checked + .pv-switch-track::after {
  transform: translateX(20px);
  background: var(--c-ice);
}

.page-privacy .pv-switch input:focus-visible + .pv-switch-track {
  outline: 2px solid var(--c-gold);
  outline-offset: 3px;
}

.page-privacy .pv-switch-on,
.page-privacy .pv-switch-off {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.page-privacy .pv-switch-on {
  display: none;
  color: var(--c-turf-lit);
}

.page-privacy .pv-switch-off {
  color: var(--c-mist);
}

.page-privacy .pv-switch input:checked ~ .pv-switch-on {
  display: inline;
}

.page-privacy .pv-switch input:checked ~ .pv-switch-off {
  display: none;
}

/* ---------- 保存期限 ---------- */
.page-privacy .pv-keep {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-keep li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid var(--c-line-soft);
  font-size: 0.94rem;
  color: var(--c-ice);
}

.page-privacy .pv-keep li:last-child {
  border-bottom: 0;
}

.page-privacy .pv-keep-val {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--c-gold);
}

.page-privacy .pv-diagram {
  display: block;
  width: 100%;
  max-width: 640px;
  height: auto;
  margin: 24px 0 4px;
}

.page-privacy .pv-diagram text {
  font-family: var(--font-mono);
  font-size: 17px;
  letter-spacing: 0.02em;
}

.page-privacy .pv-safe {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-privacy .pv-safe li {
  position: relative;
  padding-left: 22px;
  font-size: 0.94rem;
  line-height: 1.82;
  color: var(--c-mist);
}

.page-privacy .pv-safe li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--c-turf-lit);
}

/* ---------- 权利与联系 ---------- */
.page-privacy .pv-rights {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-privacy .pv-right {
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: rgba(18, 33, 27, 0.5);
  padding: 16px 18px;
}

.page-privacy .pv-right h3 {
  margin: 0 0 6px;
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--c-ice);
}

.page-privacy .pv-right p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-privacy .pv-contact {
  margin: 22px 0 0;
  padding: 22px;
  border: 1px solid var(--c-line);
  border-radius: var(--pv-radius);
  background: linear-gradient(150deg, rgba(30, 70, 52, 0.4), rgba(18, 33, 27, 0.85));
  display: grid;
  gap: 14px;
}

.page-privacy .pv-contact-row {
  display: grid;
  gap: 4px;
}

.page-privacy .pv-contact-row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--c-gold);
}

.page-privacy .pv-contact-row dd {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--c-ice);
  overflow-wrap: anywhere;
}

/* ---------- 结尾 ---------- */
.page-privacy .pv-end {
  margin-top: 46px;
  padding-top: 24px;
  border-top: 1px solid var(--c-line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.page-privacy .pv-end-link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-turf-lit);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 164, 77, 0.5);
  padding-bottom: 2px;
}

.page-privacy .pv-end-link:hover {
  color: var(--c-ice);
}

/* ---------- 响应式 ---------- */
@media (min-width: 1000px) {
  .page-privacy .pv-layout {
    grid-template-columns: 246px minmax(0, 1fr);
    gap: 72px;
    padding-top: 68px;
    padding-bottom: 116px;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: calc(var(--hdr-h) + 28px);
    align-self: start;
    max-height: calc(100vh - var(--hdr-h) - 56px);
    overflow-y: auto;
  }

  .page-privacy .pv-hero {
    padding: 116px 0 72px;
  }

  .page-privacy .pv-sec {
    margin-top: 52px;
    padding-top: 32px;
  }
}

@media (max-width: 620px) {
  .page-privacy .pv-hero {
    padding: 64px 0 42px;
  }

  .page-privacy .pv-hero-facts li {
    font-size: 10px;
    padding: 6px 11px;
  }

  .page-privacy .pv-keep li {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-privacy .pv-uses li {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .page-privacy .pv-use-key {
    padding-top: 0;
  }

  .page-privacy .pv-pref {
    padding: 4px 16px;
  }

  .page-privacy .pv-pref-row {
    flex-wrap: wrap;
    gap: 10px;
  }

  .page-privacy .pv-switch-on,
  .page-privacy .pv-switch-off {
    display: none !important;
  }

  .page-privacy .pv-diagram text {
    font-size: 19px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-switch-track,
  .page-privacy .pv-switch-track::after,
  .page-privacy .pv-toc-list a {
    transition: none;
  }
}