.page-privacy {
  --priv-measure: 38rem;
  --priv-rail-w: 148px;
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-privacy .priv-hero {
  position: relative;
  overflow: hidden;
  background: var(--night);
  border-bottom: 1px solid var(--line-strong);
}

.page-privacy .priv-hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: .3;
  filter: saturate(.55) contrast(1.05);
  pointer-events: none;
}

.page-privacy .priv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, rgba(34, 211, 238, .09) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(90deg, rgba(34, 211, 238, .09) 0 1px, transparent 1px 32px),
    linear-gradient(160deg, rgba(11, 27, 58, .5) 0%, rgba(11, 27, 58, .92) 62%, var(--night) 100%);
  pointer-events: none;
}

.page-privacy .priv-hero::after {
  content: "";
  position: absolute;
  left: -12%;
  bottom: -46px;
  width: 62%;
  height: 86px;
  background: var(--cyan);
  opacity: .16;
  transform: rotate(-3deg);
  pointer-events: none;
}

.page-privacy .priv-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: 48px;
  padding-bottom: 56px;
}

.page-privacy .priv-hero__sep {
  margin: 0 8px;
  color: var(--steel);
}

.page-privacy .priv-hero__lede {
  max-width: 34rem;
  color: var(--text-soft);
  margin-top: 18px;
}

.page-privacy .priv-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

/* ---------- 主体布局 ---------- */
.page-privacy .priv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-top: 36px;
  padding-bottom: 72px;
}

/* ---------- 左侧章节轨道 ---------- */
.page-privacy .priv-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
}

.page-privacy .priv-rail::-webkit-scrollbar {
  display: none;
}

.page-privacy .priv-rail__item {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  flex: 0 0 auto;
  padding: 8px 12px;
  border: 1px solid var(--line-strong);
  color: var(--text-soft);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-privacy .priv-rail__item:hover,
.page-privacy .priv-rail__item:focus-visible {
  color: var(--night);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-privacy .priv-rail__num {
  color: var(--cyan);
  font-size: 13px;
  letter-spacing: .04em;
}

.page-privacy .priv-rail__item:hover .priv-rail__num,
.page-privacy .priv-rail__item:focus-visible .priv-rail__num {
  color: var(--night);
}

/* ---------- 章节 ---------- */
.page-privacy .priv-body {
  min-width: 0;
}

.page-privacy .priv-sec {
  padding-top: 30px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 28px;
}

.page-privacy .priv-sec:first-of-type {
  border-top: none;
  padding-top: 0;
}

.page-privacy .priv-sec + .priv-sec {
  margin-top: 46px;
}

.page-privacy .priv-sec__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 18px;
}

.page-privacy .priv-sec__num {
  font-size: 30px;
  line-height: 1;
  color: var(--lime);
  flex: 0 0 auto;
  padding-top: 4px;
}

.page-privacy .priv-sec .prose {
  max-width: var(--priv-measure);
  color: var(--text-soft);
}

.page-privacy .priv-sec .prose p + p {
  margin-top: 14px;
}

/* ---------- 卡片 ---------- */
.page-privacy .priv-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 22px;
}

.page-privacy .priv-card {
  padding: 20px 20px 22px;
  background: var(--night-2);
  border: 1px solid var(--line-strong);
  box-shadow: var(--print-shadow);
}

.page-privacy .priv-card--paper {
  background: var(--paper);
  color: var(--night);
  border-color: var(--ink);
}

.page-privacy .priv-card .card__label {
  margin-bottom: 12px;
}

.page-privacy .priv-card--paper .card__label {
  color: var(--grass);
}

/* ---------- 列表 ---------- */
.page-privacy .priv-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: 15px;
  line-height: 1.7;
}

.page-privacy .priv-list li {
  position: relative;
  padding-left: 18px;
}

.page-privacy .priv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 2px;
  background: var(--cyan);
}

.page-privacy .priv-card--paper .priv-list li::before {
  background: var(--grass);
}

.page-privacy .priv-list--dim {
  color: var(--steel);
}

.page-privacy .priv-list--dim li::before {
  background: var(--steel);
}

.page-privacy .priv-list--rule {
  margin-top: 20px;
  max-width: var(--priv-measure);
  gap: 0;
}

.page-privacy .priv-list--rule li {
  padding: 16px 0 16px 18px;
  border-top: 1px solid var(--line);
  color: var(--text-soft);
}

.page-privacy .priv-list--rule li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-privacy .priv-list--rule strong {
  color: var(--paper);
}

/* ---------- 折叠条款 ---------- */
.page-privacy .priv-fold {
  margin-top: 22px;
  border: 1px solid var(--line-strong);
  background: rgba(20, 42, 82, .55);
}

.page-privacy .priv-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--cyan);
  list-style: none;
}

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

.page-privacy .priv-fold summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--lime);
}

.page-privacy .priv-fold[open] summary::after {
  content: "–";
}

.page-privacy .priv-fold__body {
  padding: 0 16px 16px;
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.75;
  max-width: var(--priv-measure);
}

/* ---------- 使用场景三步 ---------- */
.page-privacy .priv-steps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-privacy .priv-steps__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-privacy .priv-steps__num {
  font-size: 22px;
  line-height: 1.2;
  color: var(--cyan);
}

.page-privacy .priv-steps__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
  margin: 0 0 6px;
}

.page-privacy .priv-steps__item p {
  margin: 0;
  max-width: var(--priv-measure);
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.75;
}

.page-privacy .priv-callout {
  max-width: var(--priv-measure);
  margin-top: 20px;
  padding: 14px 16px;
  border-left: 3px solid var(--lime);
  background: rgba(199, 245, 59, .07);
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.7;
}

/* ---------- 保存与安全 ---------- */
.page-privacy .priv-grid-two {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 22px;
}

.page-privacy .priv-note {
  padding: 20px;
  background: var(--night-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
}

.page-privacy .priv-note .card__label {
  margin-bottom: 10px;
  color: var(--cyan);
}

.page-privacy .priv-note p:last-child {
  margin: 0;
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 权利四格 ---------- */
.page-privacy .priv-rights {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin-top: 22px;
}

.page-privacy .priv-rights__item {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-privacy .priv-rights__item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-privacy .priv-rights__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--lime);
}

.page-privacy .priv-rights__item p {
  margin: 0;
  max-width: var(--priv-measure);
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 联系块 ---------- */
.page-privacy .priv-contact {
  margin-top: 30px;
  padding: 24px 22px 26px;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--ink);
  box-shadow: var(--print-shadow);
}

.page-privacy .priv-contact .card__label {
  color: var(--grass);
  margin-bottom: 14px;
}

.page-privacy .priv-contact__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .priv-contact__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(5, 16, 31, .18);
}

.page-privacy .priv-contact__key {
  flex: 0 0 74px;
  font-size: 13px;
  color: var(--grass);
  font-weight: 600;
}

.page-privacy .priv-contact__val {
  color: var(--night);
  font-size: 15px;
  word-break: break-word;
  text-decoration: none;
}

.page-privacy a.priv-contact__val:hover,
.page-privacy a.priv-contact__val:focus-visible {
  color: var(--grass);
  text-decoration: underline;
}

.page-privacy .priv-contact__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(5, 16, 31, .72);
  max-width: var(--priv-measure);
}

.page-privacy .priv-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* ---------- 相关页面 ---------- */
.page-privacy .priv-next {
  margin-top: 46px;
  display: grid;
  gap: 12px;
}

.page-privacy .priv-next__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  border: 1px solid var(--line-strong);
  background: var(--night-2);
  color: var(--text-soft);
  text-decoration: none;
  font-size: 15px;
  transition: border-color .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
}

.page-privacy .priv-next__item:hover,
.page-privacy .priv-next__item:focus-visible {
  border-color: var(--cyan);
  color: var(--paper);
  transform: translateX(4px);
}

.page-privacy .priv-next__num {
  color: var(--lime);
  font-size: 16px;
  flex: 0 0 auto;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 720px) {
  .page-privacy .priv-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-privacy .priv-rights {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 28px;
  }

  .page-privacy .priv-rights__item:nth-child(2) {
    border-top: 1px solid var(--line);
  }

  .page-privacy .priv-contact__key {
    flex: 0 0 86px;
  }
}

@media (min-width: 960px) {
  .page-privacy .priv-hero__inner {
    padding-top: 72px;
    padding-bottom: 84px;
  }

  .page-privacy .priv-layout {
    grid-template-columns: var(--priv-rail-w) minmax(0, 1fr);
    column-gap: 52px;
    padding-top: 52px;
    padding-bottom: 104px;
  }

  .page-privacy .priv-rail {
    display: block;
    position: sticky;
    top: 40px;
    align-self: start;
    overflow: visible;
    border-bottom: none;
    padding-bottom: 0;
  }

  .page-privacy .priv-rail__item {
    display: flex;
    align-items: baseline;
    gap: 10px;
    width: 100%;
    padding: 12px 0 12px 2px;
    border: none;
    border-top: 1px solid var(--line);
    background: none;
    color: var(--steel);
  }

  .page-privacy .priv-rail__item:last-child {
    border-bottom: 1px solid var(--line);
  }

  .page-privacy .priv-rail__item:hover,
  .page-privacy .priv-rail__item:focus-visible {
    background: none;
    color: var(--paper);
    border-color: var(--cyan);
  }

  .page-privacy .priv-rail__item:hover .priv-rail__num,
  .page-privacy .priv-rail__item:focus-visible .priv-rail__num {
    color: var(--lime);
  }

  .page-privacy .priv-rail__num {
    display: block;
    writing-mode: vertical-rl;
    font-size: 12px;
    letter-spacing: .16em;
    color: var(--cyan);
  }

  .page-privacy .priv-rail__label {
    font-size: 14px;
    line-height: 1.5;
  }

  .page-privacy .priv-sec + .priv-sec {
    margin-top: 64px;
  }

  .page-privacy .priv-sec__num {
    font-size: 38px;
  }

  .page-privacy .priv-rights {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: 22px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-privacy .priv-rail__item,
  .page-privacy .priv-next__item {
    transition-duration: .12s;
  }

  .page-privacy .priv-next__item:hover,
  .page-privacy .priv-next__item:focus-visible {
    transform: none;
  }
}