.page-privacy {
  --pw-measure: 40em;
  --pw-rail: 116px;
  --pw-hair: rgba(201, 206, 214, .78);
  --pw-soft: rgba(201, 206, 214, .36);
  --pw-green-tint: rgba(31, 164, 99, .09);
  background: var(--white);
  color: var(--graphite);
}

/* ============ 顶部标题区 ============ */
.page-privacy .crumbs {
  padding-top: 22px;
}

.page-privacy .pv-head {
  padding: 22px 0 40px;
  border-bottom: 1px solid var(--pw-hair);
  max-width: 44em;
}

.page-privacy .pv-head .pagehead__title {
  font-size: clamp(30px, 5vw, 54px);
  line-height: 1.16;
  letter-spacing: -.012em;
  margin: 10px 0 0;
}

.page-privacy .pv-head .pagehead__kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--red);
  margin: 0;
}

.page-privacy .pv-head .pagehead__lede {
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--muted);
  margin: 18px 0 0;
  max-width: 34em;
}

.page-privacy .pv-body {
  padding: 0 0 88px;
}

/* ============ 布局：刻度索引 + 窄阅读栏 ============ */
.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  padding: 36px 0 0;
}

/* ============ 左侧数据流向索引 ============ */
.page-privacy .pv-index {
  align-self: start;
}

.page-privacy .pv-index__title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--muted);
  margin: 0 0 10px;
}

.page-privacy .pv-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-privacy .pv-index__list::-webkit-scrollbar {
  display: none;
}

.page-privacy .pv-index__list > li {
  flex: 0 0 auto;
}

.page-privacy .pv-index__link {
  display: flex;
  align-items: baseline;
  gap: 7px;
  padding: 8px 12px;
  color: var(--graphite);
  text-decoration: none;
  font-size: 13px;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
  border-radius: var(--radius) var(--radius) 0 0;
}

.page-privacy .pv-index__link:hover,
.page-privacy .pv-index__link:focus-visible {
  color: var(--red);
  border-bottom-color: var(--red);
}

.page-privacy .pv-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--green);
  font-variant-numeric: tabular-nums;
}

.page-privacy .pv-index__label {
  font-size: 13px;
}

/* ============ 正文栏 ============ */
.page-privacy .pv-main {
  max-width: var(--pw-measure);
}

.page-privacy .pv-sec {
  padding-top: 36px;
  margin-bottom: 46px;
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

.page-privacy .pv-sec + .pv-sec {
  border-top: 1px solid var(--pw-soft);
}

.page-privacy .pv-sec__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--red);
  margin: 0 0 10px;
  font-variant-numeric: tabular-nums;
}

.page-privacy .pv-sec__title {
  font-family: var(--font-head);
  font-size: clamp(21px, 2.7vw, 30px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.008em;
  color: var(--ink);
  margin: 0 0 18px;
}

.page-privacy .pv-main p {
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--graphite);
  margin: 0 0 16px;
}

.page-privacy .pv-main a {
  color: var(--red-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .pv-main a:hover,
.page-privacy .pv-main a:focus-visible {
  color: var(--red);
}

/* ============ 图片 ============ */
.page-privacy .pv-figure {
  margin: 8px 0 30px;
}

.page-privacy .pv-figure .figure__cap {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  margin-top: 10px;
}

/* ============ 数据分组列表 ============ */
.page-privacy .pv-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pw-hair);
}

.page-privacy .pv-list > li {
  padding: 18px 0;
  border-bottom: 1px solid var(--pw-soft);
}

.page-privacy .pv-list__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--green);
  margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
}

.page-privacy .pv-list__title {
  font-family: var(--font-head);
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
  margin: 0 0 7px;
}

.page-privacy .pv-main .pv-list__text {
  font-size: 15.5px;
  line-height: 1.74;
  color: var(--muted);
  margin: 0;
}

/* ============ 用途定义列表 ============ */
.page-privacy .pv-uses {
  margin: 4px 0 0;
  border-top: 1px solid var(--pw-hair);
}

.page-privacy .pv-uses__item {
  padding: 16px 0 16px 18px;
  border-bottom: 1px solid var(--pw-soft);
  border-left: 2px solid var(--red);
}

.page-privacy .pv-uses__item dt {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
}

.page-privacy .pv-uses__item dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.74;
  color: var(--muted);
}

/* ============ 保存期限刻度条 ============ */
.page-privacy .pv-scale {
  margin: 4px 0 22px;
  border-top: 1px solid var(--pw-hair);
}

.page-privacy .pv-scale__row {
  position: relative;
  padding: 14px 0;
  border-bottom: 1px solid var(--pw-soft);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  outline: none;
}

.page-privacy .pv-scale__row:focus-visible {
  box-shadow: 0 0 0 2px var(--red);
}

.page-privacy .pv-scale__label {
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

.page-privacy .pv-scale__track {
  display: block;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--slate);
  overflow: hidden;
}

.page-privacy .pv-scale__bar {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--green), var(--mint));
  transition: width .4s var(--ease);
}

.page-privacy .pv-scale__row:nth-child(1) .pv-scale__bar { width: 100%; }
.page-privacy .pv-scale__row:nth-child(2) .pv-scale__bar { width: 78%; }
.page-privacy .pv-scale__row:nth-child(3) .pv-scale__bar { width: 54%; }
.page-privacy .pv-scale__row:nth-child(4) .pv-scale__bar { width: 30%; }

.page-privacy .pv-scale__val {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.page-privacy .pv-scale__tip {
  grid-column: 1 / -1;
  font-size: 13px;
  line-height: 1.66;
  color: var(--muted);
  background: var(--pw-green-tint);
  border-left: 2px solid var(--green);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 0 12px;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height .28s var(--ease), padding .28s var(--ease), opacity .2s var(--ease);
}

.page-privacy .pv-scale__row:hover .pv-scale__tip,
.page-privacy .pv-scale__row:focus-within .pv-scale__tip {
  max-height: 8em;
  padding: 10px 12px;
  opacity: 1;
}

/* ============ 折叠 ============ */
.page-privacy .pv-fold {
  margin: 6px 0 22px;
  border-top: 1px solid var(--pw-hair);
  border-bottom: 1px solid var(--pw-hair);
}

.page-privacy .pv-fold .fold__btn {
  display: block;
  width: 100%;
  position: relative;
  text-align: left;
  background: none;
  border: 0;
  padding: 16px 36px 16px 0;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
}

.page-privacy .pv-fold .fold__btn:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 2px;
}

.page-privacy .pv-fold .fold__btn::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--red);
  transition: transform .24s var(--ease);
}

.page-privacy .pv-fold .fold__btn[aria-expanded="true"]::after {
  transform: translateY(-50%) rotate(45deg);
}

.page-privacy .pv-fold .fold__panel {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.74;
}

.page-privacy .pv-fold .fold__panel:not([data-open]) {
  display: none;
}

.page-privacy .pv-fold .fold__panel > div {
  padding: 0 0 18px;
}

/* ============ 平板与桌面 ============ */
@media (min-width: 720px) {
  .page-privacy .pv-scale__row {
    grid-template-columns: minmax(8em, 10em) minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 16px;
    row-gap: 8px;
  }

  .page-privacy .pv-scale__label {
    grid-column: 1;
  }

  .page-privacy .pv-scale__track {
    grid-column: 2;
  }

  .page-privacy .pv-scale__val {
    grid-column: 3;
    text-align: right;
    white-space: nowrap;
  }

  .page-privacy .pv-scale__tip {
    grid-column: 1 / -1;
  }
}

@media (min-width: 960px) {
  .page-privacy .pv-layout {
    grid-template-columns: var(--pw-rail) minmax(0, 1fr);
    column-gap: 56px;
    padding-top: 56px;
  }

  .page-privacy .pv-index {
    position: sticky;
    top: calc(var(--bar-h) + 28px);
  }

  .page-privacy .pv-index__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    border-left: 1px solid var(--pw-hair);
  }

  .page-privacy .pv-index__list > li {
    flex: initial;
  }

  .page-privacy .pv-index__link {
    display: block;
    padding: 12px 8px 12px 14px;
    margin-left: -1px;
    white-space: normal;
    line-height: 1.5;
    border-bottom: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
  }

  .page-privacy .pv-index__num {
    display: block;
    margin-bottom: 2px;
  }

  .page-privacy .pv-index__link:hover,
  .page-privacy .pv-index__link:focus-visible {
    border-left-color: var(--red);
    border-bottom-color: transparent;
  }

  .page-privacy .pv-body {
    padding-bottom: 112px;
  }

  .page-privacy .pv-sec {
    padding-top: 46px;
    margin-bottom: 58px;
  }
}

@media (min-width: 1200px) {
  .page-privacy .pv-figure {
    margin-right: -56px;
  }
}

/* 触屏设备：刻度说明常驻可见 */
@media (hover: none) {
  .page-privacy .pv-scale__tip {
    max-height: 8em;
    padding: 10px 12px;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-index__link,
  .page-privacy .pv-scale__bar,
  .page-privacy .pv-scale__tip,
  .page-privacy .pv-fold .fold__btn::after {
    transition: none;
  }
}
</main>