.page-privacy {
  --pv-line: rgba(168, 165, 201, 0.09);
  --pv-measure: 38rem;
  --pv-hair: rgba(29, 107, 255, 0.5);
  position: relative;
  isolation: isolate;
  padding: clamp(24px, 5vw, 52px) 0 96px;
  overflow-x: hidden;
  font-family: var(--font-body);
  color: var(--text);
  line-height: 1.8;
}

.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(var(--pv-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--pv-line) 1px, transparent 1px);
  background-size: 52px 52px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.4) 55%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.4) 55%, transparent 100%);
}

.page-privacy .crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-privacy .crumb-link {
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-privacy .crumb-link:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-privacy .crumb-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.pv-crumb-sep {
  color: var(--mist);
}

.page-privacy .page-head {
  max-width: 46rem;
}

.page-privacy .eyebrow {
  display: inline-block;
  margin: 0 0 18px;
  padding: 5px 10px;
  border: 1px solid var(--rule-strong);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-privacy .page-title {
  margin: 0 0 18px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.page-privacy .page-lead {
  max-width: var(--pv-measure);
  margin: 0;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--text-dim);
}

/* 页首窄幅视觉 */
.pv-figure {
  margin: 40px 0 0;
}

.pv-figure .media-frame {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--rule);
  background: var(--panel);
}

.pv-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pv-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* 布局：移动端单列，索引横向可滚 */
.pv-layout {
  margin-top: 48px;
}

.pv-index {
  margin: 0 0 32px;
  padding-top: 16px;
  border-top: 1px solid var(--rule-strong);
}

.pv-index-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--text-dim);
}

.pv-index-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.pv-index-list::-webkit-scrollbar {
  display: none;
}

.pv-index-item {
  flex: 0 0 auto;
}

.pv-index-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--rule);
  color: var(--text-dim);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.pv-index-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--violet);
}

.pv-index-link:hover {
  color: var(--text);
  border-color: var(--rule-strong);
  transform: translateY(-2px);
}

.pv-index-link.is-active,
.pv-index-link[aria-current="true"] {
  color: var(--text);
  border-color: var(--violet);
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.28), rgba(29, 107, 255, 0.12));
}

.pv-index-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* 正文条目 */
.pv-section {
  padding-top: 36px;
  border-top: 1px solid var(--pv-hair);
}

.pv-body > .pv-section + .pv-section {
  margin-top: 40px;
}

.pv-section-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.pv-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--violet);
}

.page-privacy .pv-section h2 {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(20px, 4vw, 28px);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.pv-text {
  max-width: var(--pv-measure);
  margin: 0 0 18px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--text);
}

.pv-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 230, 200, 0.45);
}

.pv-inline-link:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

.pv-inline-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.pv-key {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--orange);
  border-bottom: 2px solid rgba(255, 122, 26, 0.45);
  padding-bottom: 1px;
}

/* 信息块 */
.pv-block {
  position: relative;
  max-width: var(--pv-measure);
  margin: 0 0 16px;
  padding: 18px 18px 4px;
  border: 1px solid var(--rule);
  border-left: 2px solid var(--violet);
  background: rgba(22, 20, 58, 0.55);
}

.pv-block--b,
.pv-block--need {
  border-left-color: var(--cyan);
}

.pv-block--c,
.pv-block--opt {
  border-left-color: var(--orange);
}

.pv-block-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.page-privacy .pv-block-title {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
}

.pv-list {
  margin: 0;
  padding: 0 0 10px;
  list-style: none;
}

.pv-list li {
  display: flex;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px dashed var(--rule);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
}

.pv-list li:first-child {
  border-top: none;
  padding-top: 0;
}

.pv-k {
  flex: 0 0 3.2em;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.pv-choices li {
  border-top-style: solid;
  border-top-color: var(--rule);
}

.pv-choices .pv-k {
  color: var(--violet);
}

.page-privacy .callout {
  max-width: var(--pv-measure);
  margin: 24px 0 0;
}

/* 联系区 */
.pv-contact {
  max-width: var(--pv-measure);
  margin-top: 8px;
  padding: 20px 18px;
  border: 1px solid var(--rule);
  background: rgba(22, 20, 58, 0.6);
}

.pv-mail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
}

.pv-mail-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.pv-mail-value {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--paper);
  word-break: break-all;
}

.pv-mail-note {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

.pv-foot {
  display: flex;
  justify-content: flex-end;
  margin-top: 48px;
}

@media (min-width: 640px) {
  .pv-figure .media-frame {
    aspect-ratio: 8 / 3;
  }
}

@media (min-width: 960px) {
  .pv-layout {
    display: grid;
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 72px;
    align-items: start;
    margin-top: 64px;
  }

  .pv-index {
    position: sticky;
    top: 128px;
    margin: 0;
    padding-top: 20px;
  }

  .pv-index-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }

  .pv-index-item {
    width: 100%;
  }

  .pv-index-link {
    width: 100%;
    border-color: transparent;
    border-left: 2px solid var(--rule);
    padding: 9px 12px;
  }

  .pv-index-link:hover {
    transform: translateX(3px);
  }

  .pv-index-link.is-active,
  .pv-index-link[aria-current="true"] {
    border-color: transparent;
    border-left-color: var(--magenta);
    background: linear-gradient(90deg, rgba(255, 61, 139, 0.2), rgba(255, 61, 139, 0) 85%);
  }

  .pv-section {
    padding-top: 40px;
  }

  .pv-body > .pv-section + .pv-section {
    margin-top: 48px;
  }
}