.page-privacy {
  --pp-measure: 42rem;
  --pp-sticky-top: calc(var(--header-h) + 16px);
  background: var(--deep);
  color: var(--ice);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.75;
  padding-bottom: 72px;
}

.page-privacy .container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
  box-sizing: border-box;
}

.page-privacy a {
  color: var(--cyan);
  text-decoration: none;
}

.page-privacy a:hover,
.page-privacy a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy p {
  margin: 0 0 1em;
}

/* ---------- 顶部 ---------- */
.page-privacy .pp-hero {
  position: relative;
  padding: calc(var(--gutter) * 0.9) 0 0;
  overflow: hidden;
}

.page-privacy .breadcrumb {
  font-size: var(--fs-sm);
  color: var(--mist);
  margin-bottom: calc(var(--gutter) * 0.8);
}

.page-privacy .pp-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-privacy .pp-kicker__num {
  border: 1px solid var(--cyan);
  padding: 2px 8px;
  line-height: 1.5;
}

.page-privacy h1 {
  margin: 0;
  max-width: 20em;
  font-size: clamp(1.9rem, 5vw, 3rem);
  line-height: 1.22;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--ice);
}

.page-privacy .pp-lead {
  max-width: var(--pp-measure);
  margin: 20px 0 0;
  font-size: var(--fs-base);
  line-height: 1.8;
  color: var(--ice);
}

.page-privacy .pp-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin-top: 22px;
}

.page-privacy .pp-meta__item {
  font-size: var(--fs-sm);
  color: var(--mist);
}

.page-privacy .pp-banner {
  margin: calc(var(--gutter) * 1.1) 0 calc(var(--gutter) * 1.4);
  position: relative;
}

.page-privacy .pp-banner img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 2 / 1;
}

/* ---------- 布局 ---------- */
.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  scroll-margin-top: var(--pp-sticky-top);
}

.page-privacy .pp-aside {
  border-top: 1px solid var(--fence);
  border-bottom: 1px solid var(--fence);
  padding: 16px 0 18px;
}

.page-privacy .pp-aside__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  color: var(--mist);
}

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

.page-privacy .pp-toc__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 8px 9px 11px;
  font-size: var(--fs-sm);
  line-height: 1.45;
  color: var(--mist);
  border-left: 2px solid transparent;
  transition: color 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.page-privacy .pp-toc__link:hover,
.page-privacy .pp-toc__link:focus-visible {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: rgba(33, 230, 193, 0.07);
  text-decoration: none;
}

.page-privacy .pp-toc__num {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--cyan);
  flex: 0 0 auto;
}

.page-privacy .pp-aside__note {
  margin: 16px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--mist);
}

.page-privacy .pp-body {
  min-width: 0;
}

/* ---------- 章节 ---------- */
.page-privacy .pp-chapter {
  padding: 30px 0 12px;
  border-top: 1px solid var(--fence);
  scroll-margin-top: var(--pp-sticky-top);
}

.page-privacy .pp-chapter:first-of-type {
  border-top: 0;
  padding-top: 4px;
}

.page-privacy .pp-chapter__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-privacy .pp-chapter__num {
  font-family: var(--font-mono);
  font-size: var(--fs-md);
  line-height: 1;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.page-privacy h2 {
  margin: 0;
  font-size: var(--fs-lg);
  line-height: 1.35;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--ice);
}

.page-privacy .pp-body > .pp-chapter > p {
  max-width: var(--pp-measure);
  color: var(--ice);
}

/* ---------- 场景列表 ---------- */
.page-privacy .pp-scenes {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  max-width: var(--pp-measure);
}

.page-privacy .pp-scenes li {
  position: relative;
  padding: 11px 0 11px 20px;
  border-bottom: 1px solid var(--fence);
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--ice);
}

.page-privacy .pp-scenes li:first-child {
  border-top: 1px solid var(--fence);
}

.page-privacy .pp-scenes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.55em;
  width: 10px;
  height: 1px;
  background: var(--cyan);
}

.page-privacy .pp-scenes__k {
  display: block;
  margin-bottom: 2px;
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

/* ---------- 四类信息矩阵 ---------- */
.page-privacy .pp-info-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 1px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--fence);
  border: 1px solid var(--fence);
}

.page-privacy .pp-info {
  background: var(--navy);
  padding: 16px 18px 14px;
}

.page-privacy .pp-info__title {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-privacy .pp-info__desc {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: var(--ice);
}

/* ---------- 用途列表 ---------- */
.page-privacy .pp-uses {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  max-width: var(--pp-measure);
  border-top: 1px solid var(--fence);
}

.page-privacy .pp-uses li {
  padding: 12px 0;
  border-bottom: 1px solid var(--fence);
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--ice);
}

.page-privacy .pp-uses__k {
  display: block;
  margin-bottom: 2px;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--ice);
}

.page-privacy .pp-uses__k::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 8px;
  vertical-align: 0.12em;
  background: var(--cyan);
}

/* ---------- 强调块 ---------- */
.page-privacy .pp-callout {
  max-width: var(--pp-measure);
  margin: 0 0 20px;
  padding: 16px 18px;
  background: var(--navy);
  border-left: 2px solid var(--cyan);
}

.page-privacy .pp-callout p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--ice);
}

.page-privacy .pp-callout--strong {
  background: var(--fence);
  border-left-color: var(--yellow);
}

.page-privacy .pp-callout--strong p {
  font-size: var(--fs-base);
  font-weight: 700;
}

/* ---------- 折叠 ---------- */
.page-privacy .pp-details {
  max-width: var(--pp-measure);
  margin: 0 0 20px;
  border: 1px solid var(--fence);
  background: var(--navy);
}

.page-privacy .pp-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  cursor: pointer;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--ice);
  list-style: none;
}

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

.page-privacy .pp-details summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: var(--fs-md);
  line-height: 1;
  color: var(--cyan);
}

.page-privacy .pp-details[open] summary::after {
  content: "−";
}

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

.page-privacy .pp-details__body {
  padding: 0 16px 6px;
  border-top: 1px solid var(--fence);
}

.page-privacy .pp-details__body p {
  margin: 12px 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 期限表 ---------- */
.page-privacy .pp-terms {
  max-width: var(--pp-measure);
  margin: 0 0 22px;
}

.page-privacy .pp-terms__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  padding: 12px 0;
  border-top: 1px solid var(--fence);
}

.page-privacy .pp-terms__row:last-child {
  border-bottom: 1px solid var(--fence);
}

.page-privacy .pp-terms dt {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--cyan);
}

.page-privacy .pp-terms dd {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: var(--ice);
}

/* ---------- 联系区 ---------- */
.page-privacy .pp-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  max-width: var(--pp-measure);
  margin: 0 0 20px;
  padding: 16px 18px;
  background: var(--well);
  border: 1px solid var(--fence);
}

.page-privacy .pp-contact__label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-privacy .pp-contact__mail {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--cyan);
  word-break: break-all;
}

.page-privacy .pp-contact .copy-btn {
  margin-left: auto;
  padding: 6px 14px;
  font-size: var(--fs-xs);
  font-family: var(--font-sans);
  color: var(--cyan);
  background: transparent;
  border: 1px solid var(--cyan);
  border-radius: 0;
  cursor: pointer;
  transition: background-color 160ms ease, color 160ms ease;
}

.page-privacy .pp-contact .copy-btn:hover,
.page-privacy .pp-contact .copy-btn:focus-visible {
  background: var(--cyan);
  color: var(--deep);
}

/* ---------- 回到目录 ---------- */
.page-privacy .pp-backlink {
  margin: 36px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--fence);
  font-size: var(--fs-sm);
}

.page-privacy .pp-backlink a::before {
  content: "↑ ";
  font-family: var(--font-mono);
}

.page-privacy .pp-jump {
  position: fixed;
  right: 14px;
  bottom: 16px;
  z-index: 20;
  padding: 8px 14px;
  font-size: var(--fs-xs);
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  color: var(--deep);
  background: var(--cyan);
  border: 1px solid var(--cyan);
  text-decoration: none;
}

.page-privacy .pp-jump:hover,
.page-privacy .pp-jump:focus-visible {
  background: transparent;
  color: var(--cyan);
  text-decoration: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-privacy .pp-info-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .pp-terms__row {
    grid-template-columns: 10rem minmax(0, 1fr);
    gap: 0 16px;
    align-items: baseline;
  }

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

@media (min-width: 960px) {
  .page-privacy {
    padding-bottom: 96px;
  }

  .page-privacy .pp-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-privacy .pp-aside {
    position: sticky;
    top: var(--pp-sticky-top);
    border-top: 0;
    border-bottom: 0;
    border-left: 1px solid var(--fence);
    padding: 4px 0 4px 2px;
  }

  .page-privacy .pp-aside__title {
    padding-left: 14px;
  }

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

  .page-privacy .pp-aside__note {
    padding-left: 14px;
    padding-right: 8px;
    border-top: 1px solid var(--fence);
    padding-top: 14px;
  }

  .page-privacy .pp-chapter {
    padding: 40px 0 16px;
  }

  .page-privacy .pp-chapter:first-of-type {
    padding-top: 0;
  }

  .page-privacy .pp-jump {
    right: 32px;
    bottom: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-toc__link,
  .page-privacy .pp-contact .copy-btn {
    transition: none;
  }
}