.page-privacy {
  --privacy-measure: 40rem;
  --privacy-rail-w: 232px;
  --privacy-link: #8E4620;
  --privacy-rule-dark: rgba(217, 211, 198, 0.18);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + 52px);
  padding-bottom: 52px;
  background-image:
    radial-gradient(circle at 14% -12%, rgba(201, 162, 39, 0.13), transparent 46%),
    linear-gradient(90deg, rgba(217, 211, 198, 0.05) 1px, transparent 1px);
  background-size: auto, 72px 100%;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-500) 24%, var(--copper-600) 76%, transparent);
  opacity: 0.55;
}

.page-privacy .privacy-hero-grid {
  display: grid;
  gap: 30px;
  margin-top: 26px;
}

.page-privacy .privacy-title {
  margin: 0.18em 0 0.5em;
  font-family: var(--font-display);
  font-size: clamp(2.35rem, 9vw, 4.6rem);
  line-height: 0.98;
  letter-spacing: 0.07em;
  color: var(--paper-100);
}

.page-privacy .privacy-hero .lede {
  max-width: 34em;
  color: var(--paper-100);
}

.page-privacy .privacy-hero-note {
  max-width: 34em;
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--line-gold);
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--steel-400);
}

.page-privacy .privacy-hero-figure {
  margin: 0;
  border: 1px solid var(--line-gold);
  background: var(--ink-800);
}

.page-privacy .privacy-hero-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-privacy .privacy-hero-figure .figcaption {
  color: var(--steel-400);
}

/* ---------- 正文外壳 ---------- */
.page-privacy .privacy-body {
  padding-top: 44px;
  padding-bottom: 72px;
}

.page-privacy .privacy-layout {
  display: grid;
  gap: 34px;
}

/* ---------- 章节索引 ---------- */
.page-privacy .privacy-rail {
  min-width: 0;
}

.page-privacy .privacy-rail-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted-on-paper);
}

.page-privacy .index-rail {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--paper-300);
}

.page-privacy .index-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-left: -1px;
  padding: 9px 10px 9px 14px;
  border-left: 2px solid transparent;
  font-size: 0.92rem;
  line-height: 1.4;
  color: var(--muted-on-paper);
  text-decoration: none;
  transition: color var(--ease), border-color var(--ease);
}

.page-privacy .index-link:hover {
  color: var(--ink-on-paper);
  border-left-color: var(--paper-300);
}

.page-privacy .index-link:focus-visible {
  outline: 2px solid var(--gold-300);
  outline-offset: 2px;
}

.page-privacy .index-link[data-active="true"] {
  color: var(--ink-on-paper);
  font-weight: 600;
  border-left-color: var(--gold-500);
}

.page-privacy .index-code {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
  color: var(--muted-on-paper);
}

.page-privacy .index-link[data-active="true"] .index-code {
  color: var(--ink-on-paper);
}

/* ---------- 条款正文 ---------- */
.page-privacy .privacy-content {
  min-width: 0;
}

.page-privacy .privacy-article {
  padding: 34px 0;
  border-top: 1px solid var(--paper-300);
}

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

.page-privacy .privacy-article-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-privacy .privacy-num {
  flex: none;
  padding-bottom: 2px;
  border-bottom: 2px solid var(--gold-500);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  font-variant-numeric: tabular-nums;
  color: var(--ink-on-paper);
}

.page-privacy .privacy-h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.32rem, 4.4vw, 1.9rem);
  line-height: 1.22;
  letter-spacing: 0.07em;
  color: var(--ink-on-paper);
}

.page-privacy .privacy-content p {
  max-width: var(--privacy-measure);
  margin: 0 0 16px;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink-on-paper);
}

.page-privacy .privacy-content a {
  color: var(--privacy-link);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--ease);
}

.page-privacy .privacy-content a:hover {
  color: var(--ink-on-paper);
}

.page-privacy .privacy-list {
  list-style: none;
  max-width: var(--privacy-measure);
  margin: 0 0 14px;
  padding: 0;
}

.page-privacy .privacy-list li {
  position: relative;
  margin-bottom: 12px;
  padding-left: 22px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink-on-paper);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 12px;
  height: 1px;
  background: var(--copper-600);
}

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

/* ---------- 可展开细节 ---------- */
.page-privacy .privacy-more {
  max-width: var(--privacy-measure);
  margin-top: 8px;
  border-top: 1px solid var(--paper-300);
}

.page-privacy .privacy-more:last-of-type {
  border-bottom: 1px solid var(--paper-300);
}

.page-privacy .privacy-more summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 4px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  color: var(--ink-on-paper);
  transition: color var(--ease);
}

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

.page-privacy .privacy-more summary::before {
  content: "+";
  flex: none;
  width: 14px;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1;
  color: var(--copper-600);
}

.page-privacy .privacy-more[open] summary::before {
  content: "\2013";
}

.page-privacy .privacy-more summary:hover {
  color: var(--copper-600);
}

.page-privacy .privacy-more summary:focus-visible {
  outline: 2px solid var(--gold-300);
  outline-offset: 2px;
}

.page-privacy .privacy-more-body {
  max-width: var(--privacy-measure);
  padding: 0 0 16px 24px;
}

.page-privacy .privacy-more-body p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--muted-on-paper);
}

/* ---------- 联系面板 ---------- */
.page-privacy .privacy-panel {
  max-width: var(--privacy-measure);
  margin-top: 22px;
  padding: 22px 20px;
  background: var(--ink-800);
  border-left: 3px solid var(--gold-500);
  color: var(--paper-100);
}

.page-privacy .privacy-panel-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-500);
}

.page-privacy .privacy-channels {
  margin: 0;
}

.page-privacy .privacy-channel {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px solid var(--privacy-rule-dark);
}

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

.page-privacy .privacy-channel:last-child {
  padding-bottom: 0;
}

.page-privacy .privacy-channel dt {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--steel-400);
}

.page-privacy .privacy-channel dd {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.65;
  color: var(--paper-100);
  overflow-wrap: anywhere;
}

.page-privacy .privacy-channel-note {
  display: block;
  margin-top: 4px;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--steel-400);
}

/* ---------- 入场动效 ---------- */
.js .page-privacy [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.32s var(--ease), transform 0.32s var(--ease);
}

.js .page-privacy [data-reveal="120"] {
  transition-delay: 120ms;
}

.js .page-privacy [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 窄屏 ---------- */
@media (max-width: 1023px) {
  .page-privacy .index-rail {
    display: flex;
    gap: 20px;
    padding-bottom: 6px;
    border-left: 0;
    border-bottom: 1px solid var(--paper-300);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .page-privacy .index-link {
    margin-left: 0;
    padding: 8px 0;
    border-left: 0;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
  }

  .page-privacy .index-link:hover {
    border-bottom-color: var(--paper-300);
    border-left-color: transparent;
  }

  .page-privacy .index-link[data-active="true"] {
    border-left-color: transparent;
    border-bottom-color: var(--gold-500);
  }
}

@media (max-width: 599px) {
  .page-privacy .privacy-hero {
    padding-top: calc(var(--header-h) + 34px);
    padding-bottom: 40px;
  }

  .page-privacy .privacy-body {
    padding-top: 32px;
    padding-bottom: 56px;
  }

  .page-privacy .privacy-article {
    padding: 28px 0;
  }

  .page-privacy .privacy-content p,
  .page-privacy .privacy-list li {
    font-size: 0.96rem;
  }

  .page-privacy .privacy-panel {
    padding: 18px 16px;
  }

  .page-privacy .privacy-more-body {
    padding-left: 20px;
  }
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 1024px) {
  .page-privacy .privacy-hero {
    padding-bottom: 74px;
  }

  .page-privacy .privacy-hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: 56px;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: var(--privacy-rail-w) minmax(0, 1fr);
    gap: 64px;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: calc(var(--header-h) + 32px);
    align-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .js .page-privacy [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-privacy .privacy-hero-figure img {
    transform: none !important;
  }
}