.page-privacy {
  --pv-doc-max: 68ch;
  --pv-rail-w: 68px;
  position: relative;
  background:
    radial-gradient(1100px 460px at 10% -12%, rgba(201, 255, 61, 0.06), transparent 68%),
    radial-gradient(900px 420px at 92% 4%, rgba(46, 230, 200, 0.05), transparent 70%),
    var(--ink-900);
  color: var(--mist-100);
  padding-bottom: clamp(56px, 8vw, 96px);
}

.page-privacy .pv-shell {
  width: 100%;
  max-width: min(var(--page-max), 1040px);
  margin: 0 auto;
  padding: clamp(26px, 5vw, 56px) var(--gutter) 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

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

.page-privacy .pv-doc {
  min-width: 0;
  max-width: 100%;
}

.page-privacy .pv-crumb {
  margin-bottom: clamp(20px, 3vw, 32px);
}

/* ---------- 页头 ---------- */
.page-privacy .pv-head .eyebrow {
  display: block;
  color: var(--silver-400);
}

.page-privacy .pv-head h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6vw, 48px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--mist-100);
}

.page-privacy .pv-head .lede {
  margin: 18px 0 0;
  max-width: 54ch;
  font-family: var(--font-editorial);
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.85;
  color: var(--mist-100);
}

.page-privacy .pv-head__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 页头图形 ---------- */
.page-privacy .pv-figure {
  margin: clamp(30px, 5vw, 46px) 0 0;
  max-width: 100%;
}

.page-privacy .pv-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--ink-700);
  clip-path: polygon(0 0, calc(100% - var(--cut-lg)) 0, 100% var(--cut-lg), 100% 100%, 0 100%);
}

.page-privacy .pv-figure .media__cap {
  margin-top: 12px;
  font-family: var(--font-data);
  font-size: var(--fs-12);
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--moss-300);
}

/* ---------- 条款 ---------- */
.page-privacy .pv-clause {
  margin-top: clamp(38px, 6vw, 56px);
  padding-top: clamp(38px, 6vw, 56px);
  border-top: var(--line);
  scroll-margin-top: calc(var(--head-h) + 32px);
}

.page-privacy .pv-clause:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .pv-clause__title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--mist-100);
}

.page-privacy .pv-clause__num {
  flex: none;
  font-size: var(--fs-14);
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--silver-400);
}

.page-privacy .pv-clause p {
  margin: 16px 0 0;
  max-width: var(--pv-doc-max);
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--mist-100);
}

.page-privacy .pv-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
  max-width: var(--pv-doc-max);
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 104px;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--mist-100);
  overflow-wrap: anywhere;
}

.page-privacy .pv-key {
  position: absolute;
  left: 0;
  top: 0.35em;
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--lime-400);
}

/* ---------- 强调条款 ---------- */
.page-privacy .pv-callout {
  margin: 24px 0 0;
  max-width: var(--pv-doc-max);
  padding: 18px 22px;
  background: var(--ink-800);
  border-left: 4px solid var(--lime-400);
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--mist-100);
}

.page-privacy .pv-callout--amber {
  border-left-color: var(--amber-500);
  background: var(--ink-700);
}

/* ---------- 结尾指引 ---------- */
.page-privacy .pv-next {
  margin-top: clamp(48px, 8vw, 76px);
  padding: clamp(24px, 4vw, 32px);
  background: var(--ink-700);
  clip-path: polygon(0 0, calc(100% - var(--cut-lg)) 0, 100% var(--cut-lg), 100% 100%, 0 100%);
  display: grid;
  gap: 14px;
}

.page-privacy .pv-next__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 3vw, 26px);
  line-height: 1.3;
  color: var(--mist-100);
}

.page-privacy .pv-next p {
  margin: 0;
  max-width: 52ch;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--moss-300);
}

.page-privacy .pv-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

/* ---------- 窄屏 ---------- */
@media (max-width: 640px) {
  .page-privacy .pv-list li {
    padding-left: 0;
  }

  .page-privacy .pv-key {
    position: static;
    display: block;
    margin-bottom: 4px;
  }

  .page-privacy .pv-callout {
    padding: 16px 16px 16px 18px;
  }
}

/* ---------- 桌面：左侧刻度导轨 ---------- */
@media (min-width: 900px) {
  .page-privacy .pv-shell {
    grid-template-columns: var(--pv-rail-w) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 76px);
    align-items: start;
  }

  .page-privacy .pv-rail {
    display: block;
    position: sticky;
    top: calc(var(--head-h) + 40px);
    align-self: start;
    padding-top: 6px;
  }

  .page-privacy .pv-rail__track {
    position: relative;
    width: 2px;
    height: 168px;
    margin: 0 0 14px 7px;
    background: var(--ink-600);
    overflow: hidden;
  }

  .page-privacy .pv-rail__fill {
    display: block;
    width: 100%;
    height: 0;
    background: linear-gradient(180deg, var(--lime-400), var(--amber-500));
  }

  .page-privacy .pv-rail__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 14px;
  }

  .page-privacy .pv-rail__link {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    font-size: var(--fs-12);
    letter-spacing: 0.08em;
    color: var(--moss-300);
    text-decoration: none;
    transition: color 0.2s var(--ease), transform 0.2s var(--ease);
  }

  .page-privacy .pv-rail__link::before {
    content: "";
    width: 10px;
    height: 1px;
    margin-right: 8px;
    background: currentColor;
    transition: width 0.2s var(--ease);
  }

  .page-privacy .pv-rail__link:hover,
  .page-privacy .pv-rail__link:focus-visible,
  .page-privacy .pv-rail__link:focus {
    color: var(--lime-400);
    transform: translateX(4px);
  }

  .page-privacy .pv-rail__link:hover::before,
  .page-privacy .pv-rail__link:focus-visible::before {
    width: 16px;
  }

  .page-privacy .pv-doc {
    max-width: var(--pv-doc-max);
  }
}

@supports (animation-timeline: scroll()) {
  @media (min-width: 900px) {
    .page-privacy .pv-rail__fill {
      animation: pv-rail-progress linear both;
      animation-timeline: scroll(root block);
    }
  }
}

@keyframes pv-rail-progress {
  from {
    height: 0;
  }
  to {
    height: 100%;
  }
}

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

  .page-privacy .pv-rail__link:hover,
  .page-privacy .pv-rail__link:focus-visible {
    transform: none;
  }
}