.page-privacy {
  --pv-rule: rgba(7, 9, 12, 0.14);
  --pv-gutter: clamp(16px, 4vw, 48px);
  background: var(--paper);
  color: var(--ink);
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy {
    scroll-behavior: auto;
  }
}

/* ---------- Hero ---------- */

.page-privacy .pv-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding-block: 24px 0;
}

.page-privacy .pv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.34;
  pointer-events: none;
}

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -120px;
  width: 340px;
  height: 340px;
  background: linear-gradient(135deg, rgba(183, 255, 46, 0.16), transparent 65%);
  transform: skewX(-8deg);
  pointer-events: none;
}

.page-privacy .pv-crumbs {
  position: relative;
  z-index: 1;
}

.page-privacy .pv-crumbs a,
.page-privacy .pv-crumbs li span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-decoration: none;
}

.page-privacy .pv-crumbs a {
  color: var(--grey);
}

.page-privacy .pv-crumbs a:hover {
  color: var(--lime);
}

.page-privacy .pv-crumbs li[aria-current],
.page-privacy .pv-crumbs [aria-current="page"] {
  color: var(--paper);
}

.page-privacy .pv-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-block: 36px 48px;
}

.page-privacy .pv-anno {
  margin: 0 0 14px;
  color: var(--lime);
  letter-spacing: 0.2em;
}

.page-privacy .pv-h1 {
  margin: 0 0 20px;
  font-size: clamp(2.6rem, 9vw, 5.4rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-privacy .pv-lede {
  max-width: 46ch;
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.8;
  color: rgba(243, 239, 228, 0.78);
}

.page-privacy .pv-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 36px;
  margin: 30px 0 0;
  padding: 22px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-privacy .pv-hero-stats li {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-privacy .pv-stat-num {
  font-size: 2.1rem;
  line-height: 1;
  color: var(--lime);
}

.page-privacy .pv-stat-label {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--grey);
}

.page-privacy .pv-hero-media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--layer);
  overflow: hidden;
  transform: skewX(-8deg);
}

.page-privacy .pv-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 3;
  object-fit: cover;
  transform: skewX(8deg) scale(1.06);
}

/* ---------- Layout ---------- */

.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding-block: 48px 88px;
}

/* ---------- 目录 ---------- */

.page-privacy .pv-toc-nav {
  border-top: 1px solid var(--pv-rule);
  padding-top: 18px;
}

.page-privacy .pv-toc-title {
  margin: 0 0 6px;
  color: var(--grey);
  letter-spacing: 0.2em;
}

.page-privacy .pv-toc-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-toc-list li + li {
  border-top: 1px solid var(--pv-rule);
}

.page-privacy .pv-toc-list a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 11px 0;
  text-decoration: none;
  color: var(--ink);
  font-size: 0.9rem;
  line-height: 1.4;
  transition: color 200ms var(--ease);
}

.page-privacy .pv-toc-list a:hover,
.page-privacy .pv-toc-list a:focus-visible {
  color: var(--lime-dark);
}

.page-privacy .pv-toc-list a:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-privacy .pv-toc-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--lime-dark);
}

.page-privacy .pv-version-note {
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--grey);
  text-transform: uppercase;
}

/* ---------- 正文 ---------- */

.page-privacy .pv-body {
  max-width: 68ch;
  min-width: 0;
}

.page-privacy .pv-clause {
  scroll-margin-top: 80px;
}

.page-privacy .pv-clause + .pv-clause {
  margin-top: 44px;
  padding-top: 44px;
  border-top: 1px solid var(--pv-rule);
}

.page-privacy .pv-clause-num {
  display: block;
  margin: 0 0 10px;
  font-size: 0.92rem;
  letter-spacing: 0.18em;
  color: var(--lime-dark);
}

.page-privacy .pv-clause-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.page-privacy .pv-clause-title a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 220ms var(--ease);
}

.page-privacy .pv-clause-title a::after {
  content: "#";
  margin-left: 0.45em;
  font-family: var(--font-mono);
  font-size: 0.62em;
  color: var(--lime-dark);
  opacity: 0;
  transition: opacity 220ms var(--ease);
}

.page-privacy .pv-clause:hover .pv-clause-title a::after,
.page-privacy .pv-clause-title a:focus-visible::after {
  opacity: 1;
}

.page-privacy .pv-body p {
  margin: 0 0 16px;
  font-size: 1rem;
  line-height: 1.82;
  color: var(--ink);
}

.page-privacy .pv-body > p:last-of-type {
  margin-bottom: 0;
}

.page-privacy .pv-body a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--lime-dark);
  transition: color 200ms var(--ease);
}

.page-privacy .pv-body a:hover {
  color: var(--lime-dark);
}

.page-privacy .pv-body a:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-privacy .pv-mail {
  font-family: var(--font-mono);
  font-size: 0.94em;
  word-break: break-all;
}

.page-privacy .pv-list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 12px;
  font-size: 0.97rem;
  line-height: 1.78;
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 13px;
  height: 1px;
  background: var(--lime-dark);
}

.page-privacy .pv-list strong {
  font-weight: 700;
  margin-right: 2px;
}

.page-privacy .pv-def {
  margin: 0 0 22px;
  border-top: 1px solid var(--pv-rule);
}

.page-privacy .pv-def dt {
  padding-top: 16px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--lime-dark);
}

.page-privacy .pv-def dd {
  margin: 6px 0 0;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--pv-rule);
  font-size: 0.97rem;
  line-height: 1.78;
}

.page-privacy .pv-note {
  margin: 22px 0 0;
  padding: 16px 20px;
  border-left: 3px solid var(--lime);
  background: rgba(183, 255, 46, 0.12);
}

.page-privacy .pv-note p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.78;
}

.page-privacy .pv-top {
  margin: 52px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--pv-rule);
  text-align: right;
}

.page-privacy .pv-top-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--grey);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-privacy .pv-top-link:hover {
  color: var(--ink);
  border-bottom-color: var(--lime-dark);
}

.page-privacy .pv-top-link:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-privacy .pv-hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: end;
    gap: 48px;
    padding-block: 48px 60px;
  }
}

@media (min-width: 960px) {
  .page-privacy .pv-layout {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 72px;
    padding-block: 72px 120px;
  }

  .page-privacy .pv-toc-inner {
    position: sticky;
    top: 40px;
  }
}

@media (max-width: 959px) {
  .page-privacy .pv-toc-inner {
    position: sticky;
    top: calc(var(--topbar-h) + 12px);
    z-index: 4;
    background: var(--paper);
    padding-bottom: 10px;
  }
}

@media (max-width: 700px) {
  .page-privacy .pv-hero-media img {
    aspect-ratio: 16 / 9;
  }

  .page-privacy .pv-hero-stats {
    gap: 16px 28px;
  }

  .page-privacy .pv-stat-num {
    font-size: 1.7rem;
  }

  .page-privacy .pv-layout {
    padding-block: 36px 64px;
  }
}
</main>