.page-privacy {
  --privacy-rule: rgba(140, 106, 63, 0.42);
  --privacy-tint: rgba(140, 106, 63, 0.075);
  background-color: var(--paper-yellow);
  background-image: repeating-linear-gradient(180deg, var(--privacy-tint) 0 1px, transparent 1px 30px);
  color: var(--ink-black);
  font-family: var(--font-sans);
  padding-bottom: clamp(2rem, 5vw, 4rem);
}

.page-privacy__crumb {
  padding-top: clamp(1rem, 3vw, 1.75rem);
}

/* ---------- 首屏 ---------- */
.page-privacy__hero {
  display: grid;
  gap: clamp(1.25rem, 3.5vw, 2.5rem);
  align-items: center;
  padding-block: clamp(0.9rem, 2.5vw, 1.75rem) clamp(1.75rem, 4vw, 3rem);
}

.page-privacy__kicker {
  margin: 0 0 0.9rem;
  font-family: var(--font-mono);
  font-size: var(--step-mini);
  letter-spacing: 0.14em;
  color: var(--copper);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.page-privacy__kicker::before {
  content: "";
  width: 1.75rem;
  height: 2px;
  background: var(--cinnabar);
  flex: none;
}

.page-privacy__title {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(1.9rem, 5.4vw, 3.2rem);
  line-height: 1.16;
  letter-spacing: 0.02em;
  color: var(--ink-green-deep);
  overflow-wrap: break-word;
}

.page-privacy__title em {
  font-style: normal;
  color: var(--cinnabar);
  box-shadow: inset 0 -0.34em 0 rgba(198, 161, 91, 0.42);
}

.page-privacy__lede {
  margin: 0;
  max-width: 34em;
  font-size: var(--step-body);
  line-height: 1.85;
}

.page-privacy__hero-fig {
  margin: 0;
}

.page-privacy__hero-fig .media-frame {
  transform: rotate(-1.1deg);
  background: var(--ink-green);
}

.page-privacy__figcap {
  margin-top: 0.7rem;
  text-align: right;
  font-family: var(--font-mono);
  font-size: var(--step-mini);
  letter-spacing: 0.08em;
  color: var(--copper);
}

/* ---------- 目录 ---------- */
.page-privacy__toc {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--ink-green);
  border-top: var(--border);
  border-bottom: 2px solid var(--gold);
  box-shadow: 0 12px 26px -20px rgba(5, 18, 15, 0.95);
}

.page-privacy__toc-list {
  display: flex;
  gap: 0.5rem;
  margin: 0;
  padding: 0.7rem clamp(1rem, 4vw, 2.5rem);
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
}

.page-privacy__toc-list > li {
  scroll-snap-align: start;
  flex: none;
}

.page-privacy__toc-link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  padding: 0.4rem 0.72rem;
  border: 1px solid rgba(198, 161, 91, 0.42);
  color: var(--paper-white);
  font-size: var(--step-small);
  line-height: 1.25;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-privacy__toc-link b {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--step-mini);
  letter-spacing: 0.08em;
  color: var(--gold);
  transition: color 0.2s var(--ease);
}

.page-privacy__toc-link:hover,
.page-privacy__toc-link:focus-visible {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
}

.page-privacy__toc-link:hover b,
.page-privacy__toc-link:focus-visible b {
  color: var(--paper-white);
}

/* ---------- 条款正文 ---------- */
.page-privacy__body {
  padding-block: clamp(1.25rem, 3.5vw, 2.25rem) 0;
}

.page-privacy__clause {
  position: relative;
  padding-block: clamp(1.35rem, 3vw, 2.1rem);
  border-top: 1px solid var(--privacy-rule);
  scroll-margin-top: 4.75rem;
}

.page-privacy__clause:last-of-type {
  border-bottom: 1px solid var(--privacy-rule);
}

.page-privacy__num {
  display: block;
  margin-bottom: 0.45rem;
  font-family: var(--font-mono);
  font-size: var(--step-small);
  letter-spacing: 0.16em;
  color: var(--cinnabar);
}

.page-privacy__clause-title {
  margin: 0 0 0.75rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--step-h3);
  line-height: 1.38;
  letter-spacing: 0.01em;
  color: var(--ink-green-deep);
}

.page-privacy__clause p {
  margin: 0 0 0.85rem;
  max-width: 40em;
  font-size: var(--step-body);
  line-height: 1.85;
}

.page-privacy__clause p:last-of-type {
  margin-bottom: 0;
}

.page-privacy__clause a {
  color: var(--ink-green-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--gold);
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-privacy__clause a:hover,
.page-privacy__clause a:focus-visible {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

.page-privacy__points {
  display: grid;
  gap: 0.55rem;
  max-width: 42em;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy__points li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.7rem;
  font-size: var(--step-small);
  line-height: 1.75;
}

.page-privacy__points li::before {
  content: "";
  width: 0.46rem;
  height: 0.46rem;
  margin-top: 0.62rem;
  background: var(--gold);
  transform: rotate(45deg);
}

/* ---------- 旁注 ---------- */
.page-privacy__note {
  margin-top: 1.05rem;
  max-width: 38em;
  padding: 0.55rem 0.9rem 0.7rem;
  background: var(--paper-white);
  border-left: 3px solid var(--gold);
}

.page-privacy__note summary {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--step-mini);
  letter-spacing: 0.1em;
  color: var(--copper);
}

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

.page-privacy__note summary::marker {
  content: "";
}

.page-privacy__note summary::before {
  content: "";
  width: 0.42rem;
  height: 0.42rem;
  border-right: 2px solid var(--cinnabar);
  border-bottom: 2px solid var(--cinnabar);
  transform: rotate(-45deg);
  transition: transform 0.2s var(--ease);
  flex: none;
}

.page-privacy__note[open] summary::before {
  transform: rotate(45deg);
}

.page-privacy__note p {
  margin: 0.55rem 0 0;
  max-width: none;
  font-size: var(--step-small);
  line-height: 1.75;
}

/* ---------- 收尾提示 ---------- */
.page-privacy__callout {
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
  padding: clamp(1.25rem, 3.5vw, 2.1rem);
  background: var(--ink-green);
  border: var(--border);
  box-shadow: var(--shadow-hard);
  color: var(--paper-white);
}

.page-privacy__callout-label {
  margin: 0 0 0.6rem;
  font-size: var(--step-mini);
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-privacy__callout-title {
  margin: 0 0 0.7rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--step-h3);
  line-height: 1.4;
  color: var(--paper-white);
}

.page-privacy__callout p {
  margin: 0 0 1.1rem;
  max-width: 36em;
  font-size: var(--step-small);
  line-height: 1.8;
  color: var(--muted);
}

.page-privacy__callout .btn {
  text-decoration: none;
}

/* ---------- 底部操作 ---------- */
.page-privacy__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
  margin-top: clamp(1.5rem, 3.5vw, 2.25rem);
  padding-top: clamp(1.15rem, 3vw, 1.75rem);
  border-top: 1px solid var(--privacy-rule);
}

.page-privacy__actions .btn {
  text-decoration: none;
}

.page-privacy__totop {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--step-mini);
  letter-spacing: 0.12em;
  color: var(--ink-green-deep);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--copper);
}

.page-privacy__totop:hover,
.page-privacy__totop:focus-visible {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

/* ---------- 断点 ---------- */
@media (min-width: 900px) {
  .page-privacy__hero {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

@media (min-width: 860px) {
  .page-privacy__clause {
    padding-left: 6.5rem;
  }

  .page-privacy__num {
    position: absolute;
    left: 0;
    top: clamp(1.35rem, 3vw, 2.1rem);
    margin: 0;
    font-size: 1.5rem;
    line-height: 1;
  }

  .page-privacy__num::after {
    content: "";
    display: block;
    width: 2.4rem;
    height: 1px;
    margin-top: 0.65rem;
    background: var(--gold);
  }

  .page-privacy__note {
    margin-left: 0.15rem;
  }
}

@media (min-width: 1080px) {
  .page-privacy__body {
    max-width: 74ch;
    margin-inline: auto;
    padding-inline: 0;
  }

  .page-privacy__callout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "label btn"
      "title btn"
      "text  btn";
    column-gap: 2rem;
    align-items: center;
  }

  .page-privacy__callout-label {
    grid-area: label;
  }

  .page-privacy__callout-title {
    grid-area: title;
  }

  .page-privacy__callout p {
    grid-area: text;
    margin-bottom: 0;
  }

  .page-privacy__callout .btn {
    grid-area: btn;
    align-self: center;
    white-space: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy__toc-link,
  .page-privacy__note summary::before {
    transition: none;
  }

  .page-privacy__hero-fig .media-frame {
    transform: none;
  }
}