.page-privacy {
  --pr-read: 42em;
  --pr-sum-line: linear-gradient(180deg, var(--amber), var(--orange));
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(43, 227, 208, .028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43, 227, 208, .028) 1px, transparent 1px);
  background-size: 26px 26px;
  background-position: -1px -1px;
  color: var(--paper);
  padding-bottom: var(--g5);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-privacy .pr-hero {
  padding-top: var(--g3);
}

.page-privacy .pr-hero__media {
  margin: 0 0 var(--g4);
}

.page-privacy .pr-hero__inner {
  padding-bottom: var(--g2);
}

.page-privacy .pr-hero__kicker {
  margin: 0 0 var(--g2);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-privacy .pr-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 9vw, 68px);
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-privacy .pr-hero__title::after {
  content: "";
  display: block;
  width: 92px;
  height: 6px;
  margin-top: var(--g2);
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--orange), var(--amber));
  transform: skewX(-6deg);
}

.page-privacy .pr-hero__lead {
  max-width: var(--pr-read);
  margin: var(--g3) 0 var(--g2);
  font-size: 17px;
  line-height: 1.78;
  color: var(--body-soft);
}

.page-privacy .pr-hero__meta {
  margin: 0;
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--mist);
}

/* ---------- 布局骨架 ---------- */
.page-privacy .pr-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--g3);
  padding-top: var(--g4);
}

.page-privacy .pr-layout > * {
  min-width: 0;
}

/* ---------- 左侧章节索引 ---------- */
.page-privacy .pr-index {
  padding-bottom: var(--g2);
  border-bottom: 1px solid var(--line);
}

.page-privacy .pr-index__label {
  margin: 0 0 var(--g2);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-privacy .pr-index__list {
  display: flex;
  gap: var(--g1);
  margin: 0;
  padding: 0 0 var(--g1);
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .pr-index__list::-webkit-scrollbar {
  display: none;
}

.page-privacy .pr-index__list a {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  color: var(--mist);
  font-size: 14px;
  line-height: 1.2;
  white-space: nowrap;
  text-decoration: none;
  transition: color .18s var(--ease), background-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-privacy .pr-index__num {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--cyan);
  transition: color .18s var(--ease);
}

.page-privacy .pr-index__list a:hover,
.page-privacy .pr-index__list a:focus-visible {
  color: var(--paper);
  background-color: var(--ink-2);
  outline: none;
  box-shadow: inset 0 0 0 1px var(--orange);
}

.page-privacy .pr-index__list a:hover .pr-index__num,
.page-privacy .pr-index__list a:focus-visible .pr-index__num {
  color: var(--amber);
}

/* ---------- 正文 ---------- */
.page-privacy .pr-content {
  max-width: var(--pr-read);
  display: flex;
  flex-direction: column;
  gap: var(--g4);
}

.page-privacy .pr-content p {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--body-soft);
}

.page-privacy .pr-content .mono {
  color: var(--amber);
}

/* ---------- 章节折叠 ---------- */
.page-privacy details.pr-chapter {
  scroll-margin-top: 96px;
}

.page-privacy details.pr-chapter > summary {
  display: flex;
  align-items: baseline;
  gap: var(--g2);
  min-height: 44px;
  padding: var(--g2) 0 var(--g2);
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  list-style: none;
  transition: border-color .2s var(--ease);
}

.page-privacy details.pr-chapter > summary::-webkit-details-marker {
  display: none;
}

.page-privacy details.pr-chapter > summary:hover,
.page-privacy details.pr-chapter > summary:focus-visible {
  border-bottom-color: var(--orange);
  outline: none;
}

.page-privacy .pr-chapter__num {
  flex: none;
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-privacy .pr-chapter__title {
  flex: 1 1 auto;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 3.8vw, 27px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-privacy .pr-chapter__chev {
  flex: none;
  align-self: center;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--mist);
  border-bottom: 2px solid var(--mist);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform .2s var(--ease), border-color .2s var(--ease);
}

.page-privacy details[open] > summary .pr-chapter__chev {
  border-color: var(--orange);
  transform: rotate(-135deg) translate(-2px, -2px);
}

.page-privacy .pr-chapter__body {
  display: flex;
  flex-direction: column;
  gap: var(--g2);
  padding: var(--g3) 0 var(--g1);
}

/* ---------- 要点列表 ---------- */
.page-privacy .pr-list {
  display: flex;
  flex-direction: column;
  gap: var(--g2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pr-list li {
  position: relative;
  padding-left: 24px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--body-soft);
}

.page-privacy .pr-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .68em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 106, 26, .16);
}

.page-privacy .pr-list strong {
  color: var(--paper);
  font-weight: 700;
  margin-right: .3em;
}

/* ---------- 等宽小结条 ---------- */
.page-privacy .pr-summary {
  position: relative;
  padding: var(--g3) var(--g3) var(--g3) calc(var(--g3) + 8px);
  border-radius: var(--r-md);
  background-image: linear-gradient(100deg, var(--ink-2) 0%, var(--ink-3) 100%);
  overflow: hidden;
}

.page-privacy .pr-summary::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  background-image: var(--pr-sum-line);
}

.page-privacy .pr-summary__idx {
  display: block;
  margin-bottom: var(--g1);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--amber);
}

.page-privacy .pr-summary__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.72;
  color: var(--paper);
}

/* ---------- 正文内链与按钮 ---------- */
.page-privacy .pr-content a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 227, 208, .4);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-privacy .pr-content a:hover,
.page-privacy .pr-content a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
  outline: none;
}

.page-privacy .pr-content a.btn {
  border-bottom: 0;
  color: var(--white);
}

.page-privacy .pr-content a.btn--ghost {
  color: var(--cyan);
}

.page-privacy .pr-content a.btn--ghost:hover,
.page-privacy .pr-content a.btn--ghost:focus-visible {
  color: var(--amber);
}

.page-privacy .pr-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--g2);
  align-items: center;
  padding-top: var(--g1);
}

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-privacy .pr-hero {
    padding-top: var(--g4);
  }

  .page-privacy .pr-layout {
    grid-template-columns: 214px minmax(0, 1fr);
    gap: var(--g5);
    padding-top: var(--g5);
  }

  .page-privacy .pr-index {
    position: sticky;
    top: var(--g4);
    align-self: start;
    padding-bottom: 0;
    border-bottom: 0;
  }

  .page-privacy .pr-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .pr-index__list a {
    border-radius: var(--r-sm);
    padding: 6px 10px;
    box-shadow: inset 2px 0 0 transparent;
  }

  .page-privacy .pr-index__list a:hover,
  .page-privacy .pr-index__list a:focus-visible {
    box-shadow: inset 2px 0 0 var(--orange);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy *,
  .page-privacy *::before,
  .page-privacy *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}