.page-privacy {
  --pv-paper: #F6F1E7;
  --pv-paper-line: rgba(7, 20, 38, 0.16);
  --pv-paper-soft: rgba(7, 20, 38, 0.06);
  background: var(--c-navy);
  color: var(--c-white);
  font-family: var(--font-body);
  padding-bottom: clamp(56px, 9vw, 104px);
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  position: relative;
  isolation: isolate;
  background: var(--c-navy-2);
  border-bottom: 1px solid var(--c-line);
  overflow: hidden;
}

.page-privacy .pv-hero__img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(7, 20, 38, 0.62) 0%, rgba(7, 20, 38, 0.86) 58%, var(--c-navy) 100%);
}

.page-privacy .pv-hero__inner {
  position: relative;
  padding-top: clamp(20px, 4vw, 34px);
  padding-bottom: clamp(28px, 5vw, 52px);
}

.page-privacy .pv-hero__eyebrow {
  margin: clamp(22px, 4vw, 40px) 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
}

.page-privacy .pv-hero__title {
  margin: 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.1rem, 7.4vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: 0.01em;
  color: var(--c-white);
}

.page-privacy .pv-hero__lead {
  margin: clamp(16px, 3vw, 24px) 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--c-mist);
}

.page-privacy .pv-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(20px, 3.4vw, 30px);
}

.page-privacy .pv-hero__chip {
  display: inline-block;
  padding: 5px 12px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--c-mist);
  background: rgba(13, 33, 56, 0.55);
}

.page-privacy .pv-hero__chip:first-child {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
  background: rgba(55, 245, 224, 0.08);
}

/* ---------- 阅读进度 ---------- */
.page-privacy .pv-progress {
  position: sticky;
  top: 0;
  z-index: 30;
  height: 3px;
  background: rgba(184, 199, 217, 0.12);
}

.page-privacy .pv-progress .scroll-progress {
  position: relative;
  width: 100%;
  height: 3px;
}

.page-privacy .pv-progress .scroll-progress__bar {
  display: block;
  height: 3px;
  width: 0;
  background: var(--c-cyan);
  box-shadow: 0 0 12px rgba(55, 245, 224, 0.7);
}

/* ---------- 布局 ---------- */
.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 44px);
  padding-top: clamp(24px, 4.5vw, 48px);
}

/* ---------- 侧栏目录 ---------- */
.page-privacy .pv-toc__inner {
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-m);
  padding: 16px;
}

.page-privacy .pv-toc__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--c-cyan);
}

.page-privacy .pv-toc__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
}

.page-privacy .pv-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px;
  border-left: 2px solid transparent;
  border-radius: var(--r-s);
  font-size: 14px;
  line-height: 1.4;
  color: var(--c-mist);
  text-decoration: none;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-privacy .pv-toc__link:hover,
.page-privacy .pv-toc__link:focus-visible {
  color: var(--c-white);
  background: rgba(55, 245, 224, 0.1);
  border-left-color: var(--c-cyan);
  outline: none;
}

.page-privacy .pv-toc__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

.page-privacy .pv-toc__foot {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--c-line);
}

.page-privacy .pv-toc__note {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--c-mist);
}

.page-privacy .pv-print {
  width: 100%;
  margin-top: 12px;
  padding: 10px 14px;
  border: 0;
  border-radius: var(--r-pill);
  background: var(--c-cyan);
  color: var(--c-navy);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-privacy .pv-print:hover,
.page-privacy .pv-print:focus-visible {
  background: var(--c-white);
  color: var(--c-navy);
  outline: none;
}

/* ---------- 条款纸张 ---------- */
.page-privacy .pv-doc {
  display: grid;
  gap: clamp(12px, 2.2vw, 18px);
  min-width: 0;
}

.page-privacy .pv-clause {
  position: relative;
  overflow: hidden;
  background: var(--pv-paper);
  border: 1px solid rgba(7, 20, 38, 0.22);
  border-radius: var(--r-m);
  box-shadow: 0 1px 0 rgba(246, 241, 231, 0.2), 0 26px 46px -34px rgba(0, 0, 0, 0.95);
  color: var(--c-ink);
}

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

.page-privacy .pv-clause[open]::before {
  background: var(--c-cyan);
}

.page-privacy .pv-clause__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 22px;
  align-items: center;
  gap: 12px;
  padding: 15px 16px 15px 20px;
  cursor: pointer;
  list-style: none;
  background: transparent;
  transition: background var(--dur) var(--ease);
}

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

.page-privacy .pv-clause__head:hover {
  background: var(--pv-paper-soft);
}

.page-privacy .pv-clause__num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--c-ink-3);
}

.page-privacy .pv-clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.15rem, 3.8vw, 1.5rem);
  line-height: 1.25;
  letter-spacing: 0.01em;
  color: var(--c-ink);
}

.page-privacy .pv-clause__mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border: 1px solid var(--c-scale);
  border-radius: var(--r-s);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
  color: var(--c-ink-2);
}

.page-privacy .pv-clause__mark::before {
  content: "+";
}

.page-privacy .pv-clause[open] .pv-clause__mark {
  border-color: var(--c-cyan);
  background: rgba(55, 245, 224, 0.4);
  color: var(--c-ink);
}

.page-privacy .pv-clause[open] .pv-clause__mark::before {
  content: "–";
}

.page-privacy .pv-clause__body {
  padding: 0 18px 20px 20px;
  border-top: 1px dashed var(--pv-paper-line);
  padding-top: 14px;
}

.page-privacy .pv-clause__body > p {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-ink-2);
}

/* ---------- 定义列表 ---------- */
.page-privacy .pv-list {
  margin: 14px 0 0;
  padding: 0;
  display: grid;
}

.page-privacy .pv-list__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 3px;
  padding: 11px 0;
  border-top: 1px dashed var(--pv-paper-line);
}

.page-privacy .pv-list dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.9;
  color: var(--c-ink-3);
}

.page-privacy .pv-list dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-ink-2);
}

.page-privacy .pv-mail {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--c-ink);
  border-bottom: 2px solid var(--c-cyan);
  padding-bottom: 1px;
  word-break: break-all;
}

/* ---------- 延伸阅读 ---------- */
.page-privacy .pv-next {
  margin-top: clamp(20px, 4vw, 34px);
  padding-top: clamp(20px, 3.6vw, 30px);
  border-top: 1px solid var(--c-line);
}

.page-privacy .pv-next__title {
  margin: 10px 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.3rem, 3.4vw, 1.9rem);
  line-height: 1.2;
  color: var(--c-white);
}

.page-privacy .pv-next__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-privacy .pv-next__card {
  display: block;
  padding: 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-m);
  background: var(--c-navy-2);
  text-decoration: none;
  color: var(--c-white);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.page-privacy .pv-next__card:hover,
.page-privacy .pv-next__card:focus-visible {
  border-color: var(--c-cyan);
  background: var(--c-panel);
  transform: translateX(3px);
  outline: none;
}

.page-privacy .pv-next__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--c-orange);
}

.page-privacy .pv-next__name {
  display: block;
  margin-top: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}

.page-privacy .pv-next__text {
  display: block;
  margin-top: 6px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 520px) {
  .page-privacy .pv-toc__list {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-privacy .pv-next__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 700px) {
  .page-privacy .pv-list__row {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
  }

  .page-privacy .pv-clause__head {
    padding: 18px 22px 18px 26px;
  }

  .page-privacy .pv-clause__body {
    padding: 16px 24px 24px 26px;
  }
}

@media (min-width: 900px) {
  .page-privacy .pv-layout {
    grid-template-columns: minmax(206px, 248px) minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .pv-toc__inner {
    position: sticky;
    top: 88px;
  }

  .page-privacy .pv-toc__list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-privacy .pv-next__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1140px) {
  .page-privacy .pv-hero__title {
    max-width: 18ch;
  }

  .page-privacy .pv-next__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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

  .page-privacy .pv-next__card:hover {
    transform: none;
  }
}

@media print {
  .page-privacy .pv-hero__img,
  .page-privacy .pv-progress,
  .page-privacy .pv-toc,
  .page-privacy .pv-print,
  .page-privacy .pv-next {
    display: none !important;
  }

  .page-privacy {
    background: #fff;
    color: #000;
    padding-bottom: 0;
  }

  .page-privacy .pv-clause {
    box-shadow: none;
    break-inside: avoid;
  }
}