.page-privacy {
  --pv-line: rgba(155, 176, 166, 0.42);
  --pv-measure: 38em;
  background: var(--ink);
  color: var(--chalk);
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  position: relative;
  padding: 44px 0 52px;
  background:
    repeating-linear-gradient(90deg, rgba(61, 245, 200, 0.055) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(0deg, rgba(61, 245, 200, 0.055) 0 1px, transparent 1px 32px),
    linear-gradient(168deg, var(--ink) 0%, var(--turf) 78%, var(--turf-2) 100%);
  overflow: hidden;
}

.page-privacy .pv-hero__inner {
  display: grid;
  gap: 30px;
  align-items: center;
}

.page-privacy .pv-hero__copy {
  min-width: 0;
}

.page-privacy .pv-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 7vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 10px 0 16px;
  color: var(--chalk);
}

.page-privacy .pv-hero .lede {
  max-width: 34em;
  margin: 0 0 20px;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--chalk);
  opacity: 0.88;
}

.page-privacy .pv-hero__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--neon);
}

.page-privacy .pv-hero__shot {
  margin: 0;
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

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

/* ---------- 章节索引条 ---------- */
.page-privacy .pv-index {
  background: var(--turf);
  border-top: 1px solid rgba(61, 245, 200, 0.22);
  border-bottom: 1px solid rgba(61, 245, 200, 0.22);
  padding: 12px 0;
}

.page-privacy .pv-index__inner {
  display: flex;
  align-items: center;
  gap: 12px;
  overflow-x: auto;
}

.page-privacy .pv-index__label {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--mist);
}

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

.page-privacy .pv-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid transparent;
  color: var(--chalk);
  font-size: 0.84rem;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-privacy .pv-index__list a:hover,
.page-privacy .pv-index__list a:focus-visible {
  border-color: var(--neon);
  color: var(--neon);
}

.page-privacy .pv-index__list .num {
  color: var(--neon-2);
  font-size: 0.76rem;
}

/* ---------- 纸白正文区 ---------- */
.page-privacy .pv-doc {
  background: var(--paper);
  color: var(--concrete);
  padding: 6px 0 0;
}

.page-privacy .pv-sec {
  padding: 38px 0;
  border-top: 1px solid var(--pv-line);
}

.page-privacy .pv-doc > .pv-sec:first-child {
  border-top: 0;
}

.page-privacy .pv-sec__grid {
  display: grid;
  gap: 12px;
}

.page-privacy .pv-sec__rail {
  position: relative;
  display: flex;
  align-items: flex-start;
}

.page-privacy .pv-sec__body {
  min-width: 0;
  overflow-wrap: break-word;
}

.page-privacy .pv-sec__body h2 {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 4.4vw, 1.85rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
  color: var(--turf);
}

.page-privacy .pv-sec__body > p {
  max-width: var(--pv-measure);
  margin: 0 0 14px;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--concrete);
}

.page-privacy .pv-list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-privacy .pv-list > li {
  max-width: var(--pv-measure);
  padding-left: 15px;
  border-left: 3px solid var(--turf-2);
}

.page-privacy .pv-list__key {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  color: var(--turf);
}

.page-privacy .pv-list p {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--concrete);
}

/* ---------- 折叠补充说明 ---------- */
.page-privacy .qa {
  margin: 20px 0 0;
  max-width: var(--pv-measure);
  background: #ffffff;
  border: 1px solid var(--pv-line);
  border-radius: 0;
}

.page-privacy .qa > summary {
  padding: 13px 16px;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--turf);
  cursor: pointer;
}

.page-privacy .qa > summary:focus-visible {
  outline: 2px solid var(--neon-2);
  outline-offset: -2px;
}

.page-privacy .qa__body {
  padding: 0 16px 14px;
}

.page-privacy .qa__body p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--concrete);
}

/* ---------- 后续入口 ---------- */
.page-privacy .pv-next {
  padding: 30px 0 46px;
  border-top: 1px solid var(--pv-line);
}

.page-privacy .pv-next__lead {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-privacy .pv-next__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-next__list a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 18px;
  border: var(--bd) solid var(--turf);
  color: var(--turf);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 5px 5px 0 rgba(42, 51, 48, 0.32);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.page-privacy .pv-next__list a:hover,
.page-privacy .pv-next__list a:focus-visible {
  transform: translate(-2px, -3px);
  border-color: var(--neon-2);
  box-shadow: 7px 7px 0 var(--concrete);
}

.page-privacy .pv-next__list a:focus-visible {
  outline: 2px solid var(--neon-2);
  outline-offset: 2px;
}

/* ---------- 回到顶部 ---------- */
.page-privacy .pv-top {
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 20;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--neon);
  background: var(--ink);
  border: 2px solid var(--neon);
  text-decoration: none;
  transition: background-color 0.18s ease, color 0.18s ease;
}

.page-privacy .pv-top:hover,
.page-privacy .pv-top:focus-visible {
  background: var(--neon);
  color: var(--ink);
}

.page-privacy .pv-top:focus-visible {
  outline: 2px solid var(--chalk);
  outline-offset: 2px;
}

/* ---------- 宽屏 ---------- */
@media (min-width: 860px) {
  .page-privacy .pv-hero {
    padding: 64px 0 68px;
  }

  .page-privacy .pv-hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 52px;
  }

  .page-privacy .pv-sec {
    padding: 48px 0;
  }

  .page-privacy .pv-sec__grid {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }

  .page-privacy .pv-sec__rail::before {
    content: "";
    position: absolute;
    left: 44px;
    top: 0;
    bottom: -48px;
    width: 1px;
    background: var(--pv-line);
  }

  .page-privacy .pv-sec__rail .sec-index {
    position: relative;
    z-index: 1;
  }

  .page-privacy .pv-next {
    padding: 34px 0 56px;
  }
}

@media (min-width: 1100px) {
  .page-privacy .pv-hero__inner {
    gap: 68px;
  }

  .page-privacy .pv-sec__grid {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-index__list a,
  .page-privacy .pv-next__list a,
  .page-privacy .pv-top {
    transition: none;
  }

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