.page-privacy {
  --pv-line: rgba(255, 255, 255, .10);
  --pv-line-soft: rgba(255, 255, 255, .06);
  --pv-fill: rgba(255, 255, 255, .035);
  --pv-cyan-veil: rgba(53, 214, 224, .07);
  display: block;
  overflow-x: clip;
}

/* 顶部标题区 */
.page-privacy .pv-head {
  padding-top: clamp(16px, 2.4vw, 30px);
}

.page-privacy .pv-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  align-items: baseline;
  margin: clamp(14px, 2vw, 22px) 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--ao-red);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ao-muted);
}

.page-privacy .pv-meta .num {
  color: var(--ao-ink);
}

/* 顶部窄幅抽象图 */
.page-privacy .pv-band {
  margin: clamp(22px, 3vw, 40px) 0 0;
  border: 1px solid var(--pv-line);
  background: var(--ao-900);
}

.page-privacy .pv-band img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(118px, 15vw, 200px);
  object-fit: cover;
  object-position: center 40%;
  opacity: .6;
  filter: saturate(.72) contrast(1.05);
}

.page-privacy .pv-band figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--pv-line-soft);
  background: var(--ao-950);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ao-muted);
}

/* 主栅格：左侧索引 + 右侧条款正文 */
.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 46px);
  margin-top: clamp(26px, 4vw, 56px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-privacy .pv-rail {
  position: relative;
  padding-top: 14px;
  border-top: 2px solid var(--ao-red);
  background: linear-gradient(180deg, var(--pv-fill), transparent 70%);
}

.page-privacy .pv-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--ao-ink);
}

.page-privacy .pv-rail__note {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--pv-line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ao-muted);
}

.page-privacy .pv-toc {
  list-style: none;
  position: relative;
  margin: 0;
  padding: 2px 0 0;
  counter-reset: pvtoc;
}

.page-privacy .pv-toc::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--ao-red), rgba(53, 214, 224, .35) 55%, transparent);
}

.page-privacy .pv-toc li {
  position: relative;
  padding-left: 22px;
}

.page-privacy .pv-toc li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 14px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ao-950);
  box-shadow: inset 0 0 0 1px var(--ao-700);
  transition: background-color .16s ease, box-shadow .16s ease;
}

.page-privacy .pv-toc a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 8px 0;
  color: var(--ao-muted);
  font-size: 13.5px;
  line-height: 1.45;
  text-decoration: none;
  transition: color .16s ease;
}

.page-privacy .pv-toc a:hover,
.page-privacy .pv-toc a:focus-visible {
  color: var(--ao-ink);
}

.page-privacy .pv-toc a:hover + * ,
.page-privacy .pv-toc li:hover::before {
  background: var(--ao-cyan);
  box-shadow: 0 0 0 3px var(--pv-cyan-veil);
}

.page-privacy .pv-toc__num {
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--ao-red);
}

.page-privacy .pv-toc a:hover .pv-toc__num,
.page-privacy .pv-toc a:focus-visible .pv-toc__num {
  color: var(--ao-red-hi);
}

/* 条款正文窄栏 */
.page-privacy .pv-body {
  max-width: 74ch;
}

.page-privacy .pv-clause {
  scroll-margin-top: 96px;
  padding: clamp(22px, 3vw, 34px) 0 0;
  transition: background-color .2s ease;
}

.page-privacy .pv-clause + .pv-clause {
  margin-top: clamp(24px, 3.4vw, 42px);
  border-top: 1px solid var(--pv-line);
}

.page-privacy .pv-clause:target {
  background: linear-gradient(90deg, rgba(200, 16, 46, .12), transparent 68%);
  box-shadow: inset 2px 0 0 var(--ao-red-hi);
  padding-left: clamp(10px, 1.6vw, 18px);
}

.page-privacy .pv-clause__title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 10px;
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.2vw, 27px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--ao-ink);
}

.page-privacy .pv-clause__num {
  font-size: 14px;
  letter-spacing: .1em;
  color: var(--ao-red);
}

.page-privacy .pv-anchor {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ao-muted);
  text-decoration: none;
  opacity: .55;
  transition: color .16s ease, opacity .16s ease;
}

.page-privacy .pv-anchor:hover,
.page-privacy .pv-anchor:focus-visible {
  color: var(--ao-cyan);
  opacity: 1;
}

.page-privacy .pv-body p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ao-ink);
}

.page-privacy .pv-body p:last-child {
  margin-bottom: 0;
}

.page-privacy .pv-link {
  color: var(--ao-cyan);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-privacy .pv-link:hover,
.page-privacy .pv-link:focus-visible {
  color: var(--ao-ink);
}

/* 条目列表 */
.page-privacy .pv-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-privacy .pv-list__item {
  padding: 12px 0;
  border-top: 1px solid var(--pv-line-soft);
}

.page-privacy .pv-list__item:last-child {
  border-bottom: 1px solid var(--pv-line-soft);
}

.page-privacy .pv-list__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 5px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ao-ink);
}

.page-privacy .pv-list__body {
  margin: 0 !important;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ao-muted);
}

.page-privacy .pv-list__mark {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  padding: 2px 7px;
  border: 1px solid var(--ao-700);
  color: var(--ao-muted);
}

.page-privacy .pv-list__mark--need {
  border-color: rgba(200, 16, 46, .55);
  color: var(--ao-red-hi);
}

.page-privacy .pv-list__mark--local {
  border-color: rgba(53, 214, 224, .45);
  color: var(--ao-cyan);
}

/* 边界提示块 */
.page-privacy .pv-boundary {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--ao-cyan);
  background: var(--pv-cyan-veil);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ao-ink);
}

.page-privacy .pv-boundary strong {
  font-weight: 600;
  color: var(--ao-cyan);
}

/* 保留期限规格表 */
.page-privacy .pv-spec {
  margin: 0 0 16px;
  border-top: 1px solid var(--pv-line);
}

.page-privacy .pv-spec__row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--pv-line-soft);
}

.page-privacy .pv-spec dt {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--ao-ink);
}

.page-privacy .pv-spec dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ao-muted);
}

/* 折叠说明（默认展开） */
.page-privacy .pv-details {
  margin: 18px 0 16px;
  border: 1px solid var(--pv-line);
  background: var(--ao-800);
}

.page-privacy .pv-details summary {
  cursor: pointer;
  padding: 12px 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ao-ink);
  list-style: none;
}

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

.page-privacy .pv-details summary::before {
  content: "＋";
  display: inline-block;
  width: 16px;
  font-family: var(--font-mono);
  color: var(--ao-red);
}

.page-privacy .pv-details[open] summary::before {
  content: "－";
}

.page-privacy .pv-details .pv-list {
  margin: 0;
  padding: 0 14px 12px;
}

.page-privacy .pv-details .pv-list__item:first-child {
  border-top: 1px solid var(--pv-line-soft);
}

/* 窄屏：索引改为横向滚动条 */
@media (max-width: 899px) {
  .page-privacy .pv-rail {
    padding-top: 12px;
    background: none;
  }

  .page-privacy .pv-toc {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    padding: 2px 0 8px;
    scrollbar-width: thin;
  }

  .page-privacy .pv-toc::before {
    display: none;
  }

  .page-privacy .pv-toc li {
    flex: 0 0 auto;
    padding-left: 0;
  }

  .page-privacy .pv-toc li::before {
    display: none;
  }

  .page-privacy .pv-toc a {
    padding: 7px 11px;
    border: 1px solid var(--pv-line);
    background: var(--ao-900);
    white-space: nowrap;
  }

  .page-privacy .pv-toc a:hover,
  .page-privacy .pv-toc a:focus-visible {
    border-color: var(--ao-red);
    background: var(--ao-800);
  }

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

  .page-privacy .pv-clause__title {
    font-size: 20px;
  }

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

/* 桌面：两列长列表与规格表并排 */
@media (min-width: 900px) {
  .page-privacy .pv-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .pv-rail {
    position: sticky;
    top: 92px;
  }

  .page-privacy .pv-list--two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(22px, 3vw, 42px);
  }

  .page-privacy .pv-list--two .pv-list__item:nth-child(-n+2) {
    border-top: 1px solid var(--pv-line-soft);
  }

  .page-privacy .pv-list--two .pv-list__item:last-child {
    border-bottom: 1px solid var(--pv-line-soft);
  }

  .page-privacy .pv-spec__row {
    grid-template-columns: 208px minmax(0, 1fr);
    align-items: baseline;
    gap: clamp(14px, 2vw, 28px);
  }
}

@media (min-width: 1200px) {
  .page-privacy .pv-layout {
    grid-template-columns: 264px minmax(0, 1fr);
  }
}

/* 焦点可见性 */
.page-privacy a:focus-visible,
.page-privacy summary:focus-visible {
  outline: 2px solid var(--ao-cyan);
  outline-offset: 2px;
}

/* 降低动效 */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-toc a,
  .page-privacy .pv-toc li::before,
  .page-privacy .pv-anchor,
  .page-privacy .pv-clause {
    transition: none;
  }
}

/* 打印 */
@media print {
  .page-privacy {
    background: #FFFFFF;
    color: #101317;
  }

  .page-privacy .pv-band,
  .page-privacy .pv-rail {
    display: none;
  }

  .page-privacy .pv-layout {
    grid-template-columns: minmax(0, 1fr);
    margin-top: 12px;
    padding-bottom: 0;
  }

  .page-privacy .pv-body,
  .page-privacy .pv-body p,
  .page-privacy .pv-list__body,
  .page-privacy .pv-spec dd {
    max-width: none;
    color: #1C2126;
  }

  .page-privacy .pv-clause {
    break-inside: avoid;
    border-top: 1px solid #C9CED4;
  }

  .page-privacy .pv-boundary,
  .page-privacy .pv-details {
    background: #F2F4F6;
    border-color: #C9CED4;
  }

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