.page-privacy {
  --pp-measure: 66ch;
  --pp-sticky-top: calc(var(--topbar-h) + 28px);
  background-color: var(--paper);
  color: var(--carbon);
  padding-bottom: clamp(56px, 9vw, 128px);
  overflow-x: clip;
}

.page-privacy .breadcrumb {
  padding-top: clamp(18px, 3vw, 32px);
}
.page-privacy .breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
}
.page-privacy .breadcrumb a {
  color: var(--blue);
  text-decoration: none;
}
.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible {
  text-decoration: underline;
}
.page-privacy .breadcrumb li + li::before {
  content: "／";
  color: var(--silver);
  margin-right: 6px;
}
.page-privacy .breadcrumb [aria-current="page"] {
  color: var(--green);
  font-weight: 600;
}

/* ---------- 开篇封条 ---------- */
.page-privacy .pp-hero {
  padding-block: clamp(28px, 5vw, 56px) clamp(36px, 6vw, 72px);
}
.page-privacy .pp-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}
.page-privacy .pp-hero__title {
  margin: 0.4em 0 0.55em;
  max-width: 15ch;
  font-size: clamp(2.1rem, 6vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--green);
}
.page-privacy .pp-hero__lede {
  margin: 0;
  max-width: var(--pp-measure);
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--carbon);
}
.page-privacy .pp-hero__facts {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 10px;
  max-width: var(--pp-measure);
}
.page-privacy .pp-hero__facts li {
  display: flex;
  gap: 12px;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--carbon);
}
.page-privacy .pp-hero__facts .mono {
  flex: none;
  font-weight: 600;
  color: var(--orange);
}

.page-privacy .pp-seal {
  margin: 0;
  padding: 8px;
  background-color: var(--paper);
  border: 2px solid var(--green);
  box-shadow: var(--shadow-card);
}
.page-privacy .pp-seal img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  background-color: var(--green-deep);
}
.page-privacy .pp-seal figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--green);
}

/* ---------- 骨架：目录 + 正文 ---------- */
.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 56px);
  padding-top: clamp(20px, 3vw, 36px);
}

.page-privacy .pp-toc {
  border: 2px solid var(--green);
  background-color: var(--gray);
  box-shadow: 4px 4px 0 rgba(7, 42, 31, 0.12);
}
.page-privacy .pp-toc__summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--green);
}
.page-privacy .pp-toc__summary::-webkit-details-marker {
  display: none;
}
.page-privacy .pp-toc__summary::after {
  content: "展开";
  font-family: var(--font-sans);
  font-weight: 500;
  letter-spacing: 0;
  color: var(--blue);
}
.page-privacy .pp-toc[open] .pp-toc__summary::after {
  content: "收起";
}
.page-privacy .pp-toc__body {
  padding: 0 16px 18px;
}
.page-privacy .pp-toc__title {
  display: none;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--green);
}
.page-privacy .pp-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}
.page-privacy .pp-toc__list a {
  display: block;
  padding: 8px 10px;
  border-left: 2px solid transparent;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--green);
  text-decoration: none;
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease),
    color 200ms var(--ease);
}
.page-privacy .pp-toc__list a:hover,
.page-privacy .pp-toc__list a:focus-visible {
  border-left-color: var(--orange);
  background-color: var(--paper);
  color: var(--green-deep);
}
.page-privacy .pp-toc__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--green);
}

/* ---------- 条款正文 ---------- */
.page-privacy .pp-clause {
  scroll-margin-top: calc(var(--topbar-h) + 24px);
}
.page-privacy .pp-clause + .pp-clause {
  margin-top: clamp(44px, 6vw, 84px);
  padding-top: clamp(28px, 4vw, 48px);
  border-top: 1px solid var(--line);
}
.page-privacy .pp-clause__head {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2vw, 20px);
}
.page-privacy .pp-clause__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--orange);
}
.page-privacy .pp-clause__title {
  margin: 0;
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--green);
}

.page-privacy .pp-doc p {
  margin: 1em 0 0;
  max-width: var(--pp-measure);
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--carbon);
}
.page-privacy .pp-doc a {
  color: var(--blue);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-privacy .pp-sub {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: clamp(24px, 3vw, 38px) 0 0;
  max-width: var(--pp-measure);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--green);
}
.page-privacy .pp-sub::before {
  content: "";
  flex: none;
  width: 16px;
  height: 2px;
  background-color: var(--orange);
}

/* 键名表 */
.page-privacy .pp-keys {
  margin: clamp(20px, 3vw, 28px) 0 0;
  max-width: var(--pp-measure);
  border-top: 1px solid var(--line);
}
.page-privacy .pp-keys__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.page-privacy .pp-keys__key {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--blue);
  word-break: break-word;
}
.page-privacy .pp-keys__desc {
  margin: 0;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--carbon);
}

/* 历史版本折叠 */
.page-privacy .pp-history {
  margin: clamp(22px, 3vw, 32px) 0 0;
  max-width: var(--pp-measure);
  border: 1px solid var(--line);
  border-left: 4px solid var(--silver);
  background-color: var(--gray);
}
.page-privacy .pp-history__summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 18px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--green);
}
.page-privacy .pp-history__summary::-webkit-details-marker {
  display: none;
}
.page-privacy .pp-history__summary::after {
  content: "展开";
  font-family: var(--font-sans);
  font-weight: 500;
  letter-spacing: 0;
  color: var(--blue);
  flex: none;
}
.page-privacy .pp-history[open] .pp-history__summary::after {
  content: "收起";
}
.page-privacy .pp-history__body {
  padding: 0 18px 18px;
}
.page-privacy .pp-history__list {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.page-privacy .pp-history__row + .pp-history__row {
  margin-top: 16px;
}
.page-privacy .pp-history__list dt {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--orange);
}
.page-privacy .pp-history__list dd {
  margin: 6px 0 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--carbon);
}

.page-privacy .pp-footnote {
  margin-top: clamp(26px, 4vw, 40px);
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--green);
}

/* ---------- 断点 ---------- */
@media (min-width: 600px) {
  .page-privacy .pp-keys__row {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 4px 22px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-privacy .pp-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
  }
}

@media (min-width: 1024px) {
  .page-privacy {
    --pp-measure: 68ch;
  }
  .page-privacy .pp-layout {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: clamp(44px, 6vw, 92px);
    align-items: start;
  }
  .page-privacy .pp-toc {
    position: sticky;
    top: var(--pp-sticky-top);
  }
  .page-privacy .pp-toc__summary {
    display: none;
  }
  .page-privacy .pp-toc__body {
    display: block !important;
    padding: 20px 22px 22px;
  }
  .page-privacy .pp-toc__title {
    display: block;
  }
}

@media (min-width: 1440px) {
  .page-privacy {
    --pp-sticky-top: calc(var(--topbar-h) + 48px);
  }
}

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