.page-privacy {
  --privacy-measure: 720px;
  --privacy-rail-w: 168px;
}

/* ---------- 面包屑 ---------- */
.page-privacy .breadcrumb {
  padding: 20px 0 4px;
}

/* ---------- 顶部标题区 ---------- */
.page-privacy .privacy-hero {
  padding: 24px 0 48px;
  border-bottom: var(--frame) solid var(--line-700);
  background-image: linear-gradient(180deg, rgba(47, 224, 208, 0.07), rgba(8, 24, 44, 0) 62%);
}

.page-privacy .privacy-hero .eyebrow {
  margin: 0 0 12px;
}

.page-privacy .privacy-hero__lede {
  margin: 18px 0 0;
  max-width: 46ch;
  color: var(--mist-300);
}

.page-privacy .privacy-hero__figure {
  position: relative;
  margin: 34px 0 0;
  max-width: 880px;
  border: var(--frame) solid var(--line-700);
  box-shadow: var(--shadow-hard);
  background: var(--ink-800);
}

.page-privacy .privacy-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-privacy .privacy-hero__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 6px 12px;
  background: var(--ink-900);
  border-top: var(--frame) solid var(--line-700);
  border-right: var(--frame) solid var(--line-700);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan-500);
}

/* ---------- 章节导航 + 正文 ---------- */
.page-privacy .policy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding: 40px 0 56px;
}

.page-privacy .policy-rail {
  padding: 14px 12px;
  background: var(--ink-800);
  border: var(--frame) solid var(--line-700);
}

.page-privacy .policy-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist-300);
}

.page-privacy .policy-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 4px;
}

.page-privacy .policy-rail__link {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  color: var(--mist-300);
  font-size: 14px;
  line-height: 1.45;
  text-decoration: none;
  transition: color 160ms var(--ease), background-color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-privacy .policy-rail__link:hover,
.page-privacy .policy-rail__link:focus-visible {
  color: var(--paper-100);
  background: var(--ink-900);
  border-left-color: var(--cyan-500);
  outline: none;
}

.page-privacy .policy-rail__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-700);
}

.page-privacy .policy-rail__link:hover .policy-rail__num,
.page-privacy .policy-rail__link:focus-visible .policy-rail__num {
  color: var(--cyan-500);
}

.page-privacy .policy-body {
  min-width: 0;
  max-width: var(--privacy-measure);
}

/* ---------- 条款章节 ---------- */
.page-privacy .policy-section {
  padding: 30px 0;
  border-top: 1px solid var(--line-700);
  scroll-margin-top: calc(var(--bar-h) + 20px);
}

.page-privacy .policy-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-privacy .policy-section__head {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  align-items: baseline;
  gap: 4px;
  margin-bottom: 16px;
}

.page-privacy .policy-section__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--cyan-500);
}

.page-privacy .policy-section__title {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--paper-100);
}

.page-privacy .policy-section p {
  margin: 0 0 14px;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist-300);
}

.page-privacy .policy-section p:last-child {
  margin-bottom: 0;
}

.page-privacy .policy-section a {
  color: var(--cyan-500);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-privacy .policy-sub {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 22px 0 8px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--paper-100);
}

.page-privacy .policy-sub::before {
  content: "";
  flex: none;
  width: 16px;
  height: 2px;
  background: var(--cyan-500);
}

.page-privacy .policy-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  max-width: 38em;
  display: grid;
  gap: 10px;
}

.page-privacy .policy-list > li {
  position: relative;
  padding-left: 20px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist-300);
}

.page-privacy .policy-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 9px;
  height: 2px;
  background: var(--cyan-700);
}

.page-privacy .policy-list strong {
  color: var(--paper-100);
  font-weight: 600;
}

.page-privacy .policy-mail {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--paper-100);
  border-bottom: 1px solid var(--cyan-700);
  padding-bottom: 1px;
  word-break: break-all;
}

/* ---------- 术语悬停解释 ---------- */
.page-privacy .term {
  position: relative;
  color: var(--paper-100);
  border-bottom: 1px dashed rgba(47, 224, 208, 0.55);
  cursor: help;
}

.page-privacy .term::after {
  content: attr(data-tip);
  position: absolute;
  left: 0;
  bottom: calc(100% + 8px);
  z-index: 6;
  width: max-content;
  max-width: min(260px, 72vw);
  padding: 8px 10px;
  background: var(--ink-800);
  border: var(--frame) solid var(--line-700);
  box-shadow: 4px 4px 0 var(--shadow-ink);
  color: var(--paper-100);
  font-size: 13px;
  line-height: 1.55;
  letter-spacing: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  pointer-events: none;
  transition: opacity 140ms var(--ease), transform 140ms var(--ease), visibility 140ms;
}

.page-privacy .term:hover::after,
.page-privacy .term:focus-visible::after {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- 收尾 ---------- */
.page-privacy .policy-cta {
  max-width: var(--privacy-measure);
  margin: 0 0 72px;
  padding: 30px 26px;
  background: var(--ink-800);
  border: var(--frame) solid var(--line-700);
  box-shadow: var(--shadow-hard);
}

.page-privacy .policy-cta__title {
  margin: 10px 0 12px;
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.02em;
  color: var(--paper-100);
}

.page-privacy .policy-cta__text {
  margin: 0 0 22px;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist-300);
}

.page-privacy .policy-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 桌面：左侧固定章节编号 ---------- */
@media (min-width: 900px) {
  .page-privacy .policy-layout {
    grid-template-columns: var(--privacy-rail-w) minmax(0, 1fr);
    gap: 56px;
    padding: 56px 0 64px;
  }

  .page-privacy .policy-rail {
    position: sticky;
    top: calc(var(--bar-h) + 28px);
    padding: 18px 14px;
  }

  .page-privacy .policy-rail__list {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .page-privacy .policy-section {
    padding: 34px 0;
    scroll-margin-top: calc(var(--bar-h) + 24px);
  }

  .page-privacy .policy-cta {
    margin-left: calc(var(--privacy-rail-w) + 56px);
    padding: 34px 32px;
  }
}

@media (max-width: 520px) {
  .page-privacy .privacy-hero {
    padding: 16px 0 36px;
  }

  .page-privacy .privacy-hero__figure {
    margin-top: 26px;
    box-shadow: 6px 6px 0 var(--shadow-ink);
  }

  .page-privacy .policy-cta {
    padding: 24px 18px;
    box-shadow: 6px 6px 0 var(--shadow-ink);
  }

  .page-privacy .policy-cta__actions .btn {
    flex: 1 1 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .policy-rail__link,
  .page-privacy .term::after {
    transition: none;
  }
}