.page-privacy {
  --pv-narrow: 720px;
  --pv-toc-w: 250px;
  background: var(--hf-white);
  color: var(--hf-ink);
}

/* ---------- 页头横幅 ---------- */
.page-privacy .pv-hero {
  position: relative;
  background: var(--hf-navy);
  color: var(--hf-white);
  overflow: hidden;
}

.page-privacy .pv-hero__media {
  position: absolute;
  inset: 0;
  opacity: 0.42;
}

.page-privacy .pv-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.5) contrast(1.05);
}

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, rgba(11, 27, 43, 0.94) 0%, rgba(11, 27, 43, 0.78) 52%, rgba(11, 27, 43, 0.5) 100%),
    repeating-linear-gradient(90deg, rgba(147, 161, 176, 0.14) 0 1px, transparent 1px 72px);
  pointer-events: none;
}

.page-privacy .pv-hero__inner {
  position: relative;
  z-index: 1;
  padding: clamp(30px, 6vw, 76px) 0 clamp(30px, 5vw, 62px);
}

.page-privacy .pv-crumbs {
  margin-bottom: 22px;
}

.page-privacy .pv-crumbs a {
  color: var(--hf-muted);
  text-decoration: none;
}

.page-privacy .pv-crumbs a:hover,
.page-privacy .pv-crumbs a:focus-visible {
  color: var(--hf-white);
}

.page-privacy .pv-hero__title {
  margin: 8px 0 0;
  max-width: 22ch;
  color: var(--hf-white);
}

.page-privacy .pv-hero__lede {
  max-width: 60ch;
  margin-top: 18px;
  color: rgba(247, 245, 240, 0.82);
}

.page-privacy .pv-hero__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 32px;
  border-top: 1px solid var(--hf-line-dark);
}

.page-privacy .pv-fact {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--hf-line-dark);
}

.page-privacy .pv-fact__num {
  color: var(--hf-red);
  font-size: 30px;
  line-height: 1;
  min-width: 1.4em;
}

.page-privacy .pv-fact__label {
  font-size: 14px;
  color: var(--hf-muted);
}

/* ---------- 主体布局 ---------- */
.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 56px);
  padding-top: clamp(30px, 5vw, 64px);
  padding-bottom: clamp(40px, 6vw, 88px);
}

/* ---------- 章节索引 ---------- */
.page-privacy .pv-toc {
  border: 1px solid var(--hf-line-light);
  padding: 18px 18px 16px;
  background: #FBFAF7;
}

.page-privacy .pv-toc__title {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--hf-red);
  margin: 0 0 12px;
}

.page-privacy .pv-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: pvtoc;
}

.page-privacy .pv-toc__list li {
  counter-increment: pvtoc;
  border-top: 1px solid var(--hf-line-light);
}

.page-privacy .pv-toc__list li:first-child {
  border-top: none;
}

.page-privacy .pv-toc__link {
  display: block;
  padding: 10px 0 10px 26px;
  position: relative;
  font-size: 14px;
  color: var(--hf-slate);
  text-decoration: none;
  transition: color 180ms ease-out, padding-left 180ms ease-out;
}

.page-privacy .pv-toc__link::before {
  content: counter(pvtoc, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 10px;
  font-family: var(--hf-font-mono);
  font-size: 12px;
  color: var(--hf-dim);
}

.page-privacy .pv-toc__link:hover,
.page-privacy .pv-toc__link:focus-visible {
  color: var(--hf-red);
  padding-left: 32px;
}

.page-privacy .pv-toc__link.is-current {
  color: var(--hf-red);
  font-weight: 600;
}

.page-privacy .pv-toc__link.is-current::before {
  color: var(--hf-red);
}

.page-privacy .pv-toc__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--hf-line-light);
  font-size: 13px;
  line-height: 1.7;
  color: var(--hf-dim);
}

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

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

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

.page-privacy .pv-sec {
  padding: clamp(26px, 4vw, 44px) 0;
  border-top: 1px solid var(--hf-line-light);
  scroll-margin-top: calc(var(--hf-header-h) + 20px);
}

.page-privacy .pv-sec:first-child {
  border-top: none;
  padding-top: 0;
}

.page-privacy .pv-sec--tint {
  background: #FBF9F5;
  border-top-color: transparent;
  padding-left: 20px;
  padding-right: 20px;
  margin-left: -20px;
  margin-right: -20px;
}

.page-privacy .pv-sec__no {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--hf-red);
  margin: 0 0 8px;
}

.page-privacy .pv-sec__title {
  margin: 0 0 16px;
  color: var(--hf-navy);
}

.page-privacy .pv-body .hf-p {
  margin: 0 0 16px;
  line-height: 1.8;
}

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

/* ---------- 信息四类卡 ---------- */
.page-privacy .pv-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 22px;
  background: var(--hf-line-light);
  border: 1px solid var(--hf-line-light);
}

.page-privacy .pv-mini {
  background: var(--hf-white);
  padding: 18px 18px 20px;
}

.page-privacy .pv-mini__tag {
  display: inline-block;
  min-width: 26px;
  text-align: center;
  font-size: 12px;
  padding: 3px 6px;
  color: var(--hf-white);
  background: var(--hf-slate);
  margin: 0 0 10px;
}

.page-privacy .pv-mini__title {
  margin: 0 0 8px;
  color: var(--hf-navy);
}

.page-privacy .pv-mini__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--hf-slate);
}

/* ---------- 用途对照 ---------- */
.page-privacy .pv-pairs {
  margin-top: 22px;
  gap: 1px;
  background: var(--hf-line-light);
  border: 1px solid var(--hf-line-light);
}

.page-privacy .pv-pair {
  background: var(--hf-white);
  padding: 16px 18px;
}

.page-privacy .pv-pair__k {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--hf-green);
  margin: 0 0 8px;
}

.page-privacy .pv-pair__v {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--hf-ink);
}

/* ---------- 缓存说明块 ---------- */
.page-privacy .pv-note-block {
  margin-top: 22px;
  border-left: 3px solid var(--hf-amber);
  background: #FFFBF2;
  padding: 18px 20px;
}

.page-privacy .pv-note-block__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: #9A6A0C;
}

.page-privacy .pv-note-block__list {
  margin: 0;
  padding-left: 18px;
}

.page-privacy .pv-note-block__list li {
  font-size: 14px;
  line-height: 1.8;
  color: var(--hf-slate);
  margin-bottom: 6px;
}

.page-privacy .pv-note-block__list li:last-child {
  margin-bottom: 0;
}

/* ---------- 引用块 ---------- */
.page-privacy .pv-quote {
  margin-top: 24px;
  padding: 20px 22px;
  background: var(--hf-navy);
  color: var(--hf-white);
  position: relative;
}

.page-privacy .pv-quote::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--hf-red);
}

.page-privacy .pv-quote__text {
  margin: 0;
  font-family: var(--hf-font-serif);
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.6;
  color: var(--hf-white);
}

.page-privacy .pv-quote__by {
  margin: 12px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--hf-muted);
}

/* ---------- 保留时间线 ---------- */
.page-privacy .pv-timeline {
  margin-top: 24px;
  border-top: 1px solid var(--hf-line-light);
}

.page-privacy .pv-timeline__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--hf-line-light);
}

.page-privacy .pv-timeline__k {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--hf-navy);
}

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

.page-privacy .pv-timeline__v {
  font-size: 14px;
  line-height: 1.7;
  color: var(--hf-slate);
}

/* ---------- 权利清单 ---------- */
.page-privacy .pv-rights {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  counter-reset: none;
}

.page-privacy .pv-rights__item {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--hf-line-light);
}

.page-privacy .pv-rights__item:last-child {
  border-bottom: none;
}

.page-privacy .pv-rights__no {
  flex: none;
  font-size: 12px;
  color: var(--hf-white);
  background: var(--hf-red);
  padding: 3px 7px;
  line-height: 1.4;
  height: fit-content;
}

.page-privacy .pv-rights__text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--hf-slate);
}

.page-privacy .pv-rights__text strong {
  color: var(--hf-navy);
}

/* ---------- 联系区 ---------- */
.page-privacy .pv-sec--last {
  border-bottom: 1px solid var(--hf-line-light);
}

.page-privacy .pv-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-privacy .pv-actions .hf-btn {
  text-decoration: none;
}

.page-privacy .pv-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--hf-line-light);
}

.page-privacy .pv-meta__item {
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--hf-dim);
}

/* ---------- 回到顶部 ---------- */
.page-privacy .hf-totop {
  position: fixed;
  right: 16px;
  bottom: 22px;
  z-index: 40;
  border: 1px solid var(--hf-line-light);
  background: var(--hf-white);
  color: var(--hf-slate);
  font-size: 13px;
  padding: 10px 14px;
  cursor: pointer;
  transition: background 180ms ease-out, color 180ms ease-out, border-color 180ms ease-out;
}

.page-privacy .hf-totop:hover,
.page-privacy .hf-totop:focus-visible {
  background: var(--hf-red);
  border-color: var(--hf-red);
  color: var(--hf-white);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 640px) {
  .page-privacy .pv-hero__facts {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
  }

  .page-privacy .pv-fact {
    display: block;
    padding: 20px 22px 20px 0;
    border-bottom: none;
    border-left: 1px solid var(--hf-line-dark);
    padding-left: 22px;
  }

  .page-privacy .pv-fact:first-child {
    border-left: none;
    padding-left: 0;
  }

  .page-privacy .pv-fact__num {
    display: block;
    margin-bottom: 8px;
  }

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

@media (min-width: 1024px) {
  .page-privacy .pv-layout {
    grid-template-columns: var(--pv-toc-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: calc(var(--hf-header-h) + 20px);
  }

  .page-privacy .pv-cards {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .page-privacy .pv-timeline__row {
    grid-template-columns: 170px 1fr 2.4fr;
    align-items: center;
    gap: 18px;
  }

  .page-privacy .pv-timeline__line {
    display: block;
    height: 1px;
    background: var(--hf-line-light);
    position: relative;
  }

  .page-privacy .pv-timeline__line::before {
    content: "";
    position: absolute;
    left: 0;
    top: -3px;
    width: 7px;
    height: 7px;
    background: var(--hf-red);
  }

  .page-privacy .pv-body {
    max-width: 78ch;
  }

  .page-privacy .hf-totop {
    right: 28px;
    bottom: 30px;
  }
}

@media (min-width: 1280px) {
  .page-privacy .pv-toc {
    padding: 24px 24px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-toc__link,
  .page-privacy .hf-totop {
    transition: none;
  }
}