.page-privacy {
  --privacy-rule: rgba(135, 152, 163, 0.20);
  --privacy-toc-w: 248px;
  --privacy-num-w: 40px;
  color: var(--mist);
  background: var(--ink);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.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;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(24px, 4vw, 44px) clamp(26px, 4vw, 46px);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: -10% -5% auto -5%;
  height: 130%;
  background-image:
    repeating-linear-gradient(0deg, rgba(47, 243, 208, 0.07) 0 1px, transparent 1px 46px),
    repeating-linear-gradient(90deg, rgba(47, 243, 208, 0.07) 0 1px, transparent 1px 46px);
  -webkit-mask-image: linear-gradient(115deg, #000 0%, rgba(0, 0, 0, 0.35) 52%, transparent 82%);
  mask-image: linear-gradient(115deg, #000 0%, rgba(0, 0, 0, 0.35) 52%, transparent 82%);
  pointer-events: none;
}

.page-privacy .privacy-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
  align-items: center;
}

.page-privacy .privacy-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: clamp(2.05rem, 8vw, 3.4rem);
  line-height: 1.08;
  margin: 10px 0 16px;
  color: var(--mist);
}

.page-privacy .privacy-hero__lead {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--mist-72);
  margin: 0;
  max-width: 46ch;
}

.page-privacy .privacy-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.page-privacy .privacy-hero__media {
  position: relative;
  margin: 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-cyan);
  overflow: hidden;
  box-shadow: 0 22px 48px -28px rgba(47, 243, 208, 0.45);
}

.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-privacy .privacy-hero__caption {
  position: absolute;
  left: 16px;
  bottom: 14px;
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
  background: rgba(6, 10, 15, 0.72);
  border: 1px solid var(--line-cyan);
  border-radius: var(--radius-pill);
  padding: 5px 12px;
}

/* ---------- 布局 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  gap: clamp(22px, 3vw, 44px);
  align-items: start;
}

/* ---------- 粘性目录 ---------- */
.page-privacy .privacy-toc {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--glass);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  padding: 16px 16px 14px;
}

.page-privacy .privacy-toc__title {
  margin: 0 0 12px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--neutral);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--mist-72);
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-privacy .privacy-toc__link .mono {
  font-size: 0.75rem;
  color: var(--neutral);
  transition: color 160ms var(--ease);
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--mist);
  border-left-color: var(--cyan);
  background: rgba(47, 243, 208, 0.08);
  text-decoration: none;
}

.page-privacy .privacy-toc__link:hover .mono,
.page-privacy .privacy-toc__link:focus-visible .mono {
  color: var(--cyan);
}

.page-privacy .privacy-toc__top {
  display: inline-block;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--privacy-rule);
  width: 100%;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--gold);
}

/* ---------- 正文 ---------- */
.page-privacy .privacy-doc {
  min-width: 0;
}

.page-privacy .privacy-doc__intro {
  margin: 0 0 6px;
  padding: 16px 18px;
  border-left: 3px solid var(--ember);
  background: var(--ink-2);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--mist-72);
}

.page-privacy .privacy-section {
  padding-block: clamp(24px, 3.2vw, 36px);
  border-top: 1px solid var(--privacy-rule);
  scroll-margin-top: 104px;
}

.page-privacy .privacy-section:first-of-type {
  border-top: 0;
}

.page-privacy .privacy-section__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}

.page-privacy .privacy-section__num {
  flex: 0 0 auto;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border: 1px solid var(--line-cyan);
  border-radius: var(--radius-pill);
}

.page-privacy .privacy-section__title {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: clamp(1.35rem, 4.6vw, 1.85rem);
  line-height: 1.25;
  margin: 0;
  color: var(--mist);
}

.page-privacy .privacy-section__lead {
  margin: 0 0 18px;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--mist-56);
  max-width: 60ch;
}

/* ---------- 条款条目 ---------- */
.page-privacy .privacy-clauses {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .privacy-clause {
  display: grid;
  grid-template-columns: var(--privacy-num-w) minmax(0, 1fr);
  gap: 10px;
  padding: 13px 14px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  border-radius: var(--radius-md);
  transition: border-color 160ms var(--ease), transform 160ms var(--ease);
}

.page-privacy .privacy-clause:hover {
  border-left-color: var(--ember);
  transform: translateX(2px);
}

.page-privacy .privacy-clause__num {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gold);
  line-height: 1.7;
}

.page-privacy .privacy-clause__text {
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--mist-72);
  min-width: 0;
}

.page-privacy .privacy-clause__text strong {
  color: var(--mist);
  font-weight: 600;
}

/* ---------- 折叠补充 ---------- */
.page-privacy .privacy-more {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--glass);
  overflow: hidden;
}

.page-privacy .privacy-more > summary {
  cursor: pointer;
  list-style: none;
  padding: 12px 16px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--cyan);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

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

.page-privacy .privacy-more > summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--cyan);
}

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

.page-privacy .privacy-more[open] > summary {
  border-bottom: 1px dashed var(--privacy-rule);
}

.page-privacy .privacy-more__body {
  padding: 14px 16px 16px;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--mist-56);
}

.page-privacy .privacy-more__body p {
  margin: 0;
}

/* ---------- 结尾联系面板 ---------- */
.page-privacy .privacy-panel {
  margin-top: 20px;
  padding: 20px 18px;
  border: 1px solid var(--line-cyan);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(47, 243, 208, 0.14) 0%, transparent 62%),
    var(--slate);
}

.page-privacy .privacy-panel__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--mist);
}

.page-privacy .privacy-panel__text {
  margin: 0 0 16px;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--mist-72);
}

.page-privacy .privacy-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-privacy .privacy-panel__actions .btn {
  flex: 1 1 140px;
  justify-content: center;
}

.page-privacy .privacy-doc__end {
  margin: 28px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--privacy-rule);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--neutral);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 720px) {
  .page-privacy {
    --privacy-num-w: 48px;
  }

  .page-privacy .privacy-clause {
    padding: 15px 18px;
    gap: 14px;
  }

  .page-privacy .privacy-panel {
    padding: 24px 24px 22px;
  }

  .page-privacy .privacy-panel__actions .btn {
    flex: 0 0 auto;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-layout {
    grid-template-columns: var(--privacy-toc-w) minmax(0, 1fr);
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-clause {
    transition: border-color 160ms var(--ease);
  }

  .page-privacy .privacy-clause:hover {
    transform: none;
  }
}
</main>