.page-privacy {
  --pp-max: 68ch;
  --pp-dim: rgba(243, 239, 230, .74);
  --pp-faint: rgba(243, 239, 230, .46);
  --pp-panel: rgba(13, 27, 42, .72);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 页头 ---------- */
.page-privacy .pp-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink-deep);
  border-bottom: 1px solid var(--hair);
}

.page-privacy .pp-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
  z-index: -2;
}

.page-privacy .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 10% 0%, rgba(63, 224, 198, .16), transparent 58%),
    radial-gradient(90% 80% at 95% 110%, rgba(255, 106, 69, .13), transparent 62%),
    linear-gradient(180deg, rgba(6, 13, 21, .5), rgba(13, 27, 42, .95));
}

.page-privacy .pp-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(243, 239, 230, .05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(243, 239, 230, .05) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 88%);
}

.page-privacy .pp-hero__inner {
  position: relative;
  padding: 3.5rem 0 2.75rem;
}

.page-privacy .crumbs {
  margin: 0 0 1.75rem;
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-privacy .crumbs a {
  color: var(--mist);
  text-decoration: none;
  transition: color .2s var(--ease);
}

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

.page-privacy .pp-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--sand);
  text-transform: uppercase;
}

.page-privacy .pp-title {
  margin: .9rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.9rem, 7.4vw, 3.5rem);
  line-height: 1.12;
  letter-spacing: -.01em;
  max-width: 22ch;
}

.page-privacy .pp-lead {
  margin: 1.3rem 0 0;
  max-width: 60ch;
  font-size: clamp(1rem, 3.6vw, 1.08rem);
  line-height: 1.9;
  color: var(--pp-dim);
}

/* ---------- 章节目录 ---------- */
.page-privacy .pp-toc {
  margin: 2.25rem 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
  border-radius: var(--r);
  overflow: hidden;
}

.page-privacy .pp-toc a {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  padding: .8rem .9rem;
  background: var(--pp-panel);
  color: var(--paper);
  text-decoration: none;
  font-size: .85rem;
  line-height: 1.5;
  transition: background .24s var(--ease), color .24s var(--ease);
}

.page-privacy .pp-toc a:hover,
.page-privacy .pp-toc a:focus-visible {
  background: rgba(35, 46, 59, .88);
  color: var(--cyan);
}

.page-privacy .pp-toc b {
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--sand);
}

/* ---------- 主体 ---------- */
.page-privacy .pp-body {
  padding: .5rem 0 3.5rem;
}

.page-privacy .pp-sec {
  padding: 2.4rem 0;
  border-top: 1px solid var(--hair);
  scroll-margin-top: 6rem;
}

.page-privacy .pp-sec:first-child {
  border-top: 0;
}

.page-privacy .pp-sec__idx {
  display: block;
  margin: 0 0 .7rem;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-privacy .pp-sec__body {
  min-width: 0;
  max-width: 78ch;
}

.page-privacy .pp-sec__body h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.28rem, 4.6vw, 1.85rem);
  line-height: 1.3;
  letter-spacing: -.005em;
}

.page-privacy .pp-sec__lead {
  margin: .8rem 0 0;
  max-width: var(--pp-max);
  font-size: .98rem;
  line-height: 1.88;
  color: var(--pp-dim);
}

/* ---------- 条目 ---------- */
.page-privacy .pp-items {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hair);
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}

.page-privacy .pp-item {
  display: grid;
  grid-template-columns: 2.3rem minmax(0, 1fr);
  gap: .85rem;
  padding: 1.05rem .2rem;
  background: var(--ink);
}

.page-privacy .pp-item__num {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--sand);
  padding-top: .25rem;
}

.page-privacy .pp-item__body h3 {
  margin: 0 0 .35rem;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
}

.page-privacy .pp-item__body p {
  margin: 0;
  max-width: var(--pp-max);
  font-size: .94rem;
  line-height: 1.88;
  color: var(--pp-dim);
}

.page-privacy .pp-usenote {
  margin: 1.5rem 0 0;
  padding-left: 1rem;
  border-left: 2px solid var(--cyan);
  max-width: var(--pp-max);
  font-size: .94rem;
  line-height: 1.88;
  color: var(--paper);
}

/* ---------- 折叠细则 ---------- */
.page-privacy .pp-fold {
  margin-top: 1.5rem;
  border: 1px solid var(--hair);
  border-radius: var(--r);
  background: var(--glass-slate);
}

.page-privacy .pp-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .85rem 1.05rem;
  cursor: pointer;
  list-style: none;
  font-size: .9rem;
  color: var(--paper);
}

.page-privacy .pp-fold summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pp-fold summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1;
  color: var(--cyan);
}

.page-privacy .pp-fold[open] summary::after {
  content: "\2212";
}

.page-privacy .pp-fold summary:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 2px;
}

.page-privacy .pp-fold__body {
  padding: 0 1.05rem 1.05rem;
  color: var(--pp-dim);
  font-size: .9rem;
  line-height: 1.88;
}

.page-privacy .pp-fold__body p {
  margin: 0;
  max-width: var(--pp-max);
}

.page-privacy .pp-fold__body p + p {
  margin-top: .6rem;
}

/* ---------- 联系信息 ---------- */
.page-privacy .pp-facts {
  margin: 1.6rem 0 0;
  display: grid;
  gap: 1px;
  background: var(--hair);
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}

.page-privacy .pp-facts__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: .25rem;
  padding: .9rem .2rem;
  background: var(--ink);
}

.page-privacy .pp-facts dt {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-privacy .pp-facts dd {
  margin: 0;
  font-size: .96rem;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-privacy .pp-mailtip,
.page-privacy .pp-more {
  margin: 1.4rem 0 0;
  max-width: var(--pp-max);
  font-size: .94rem;
  line-height: 1.88;
  color: var(--pp-dim);
}

.page-privacy .pp-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 198, .38);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-privacy .pp-link:hover,
.page-privacy .pp-link:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
}

/* ---------- 收尾 ---------- */
.page-privacy .pp-end {
  margin: 3rem 0 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--hair);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--pp-faint);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-privacy .pp-hero__inner {
    padding: 4.5rem 0 3.25rem;
  }

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

  .page-privacy .pp-facts__row {
    grid-template-columns: 7.5rem minmax(0, 1fr);
    gap: 1.25rem;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-privacy .pp-hero__inner {
    padding: 6rem 0 4rem;
  }

  .page-privacy .pp-sec {
    display: grid;
    grid-template-columns: 3.5rem minmax(0, 1fr);
    column-gap: 2.5rem;
    padding: 3.4rem 0;
  }

  .page-privacy .pp-sec__idx {
    margin: .4rem 0 0;
  }

  .page-privacy .pp-item {
    grid-template-columns: 3rem minmax(0, 1fr);
    gap: 1.1rem;
    padding: 1.25rem .35rem;
  }
}

@media (min-width: 1100px) {
  .page-privacy .pp-toc {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-toc a,
  .page-privacy .pp-link,
  .page-privacy .crumbs a {
    transition: none;
  }
}