.page-privacy {
  --pv-doc-max: 760px;
  background:
    radial-gradient(1200px 620px at 78% -12%, rgba(30, 58, 95, .55), transparent 62%),
    linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 72%);
  color: var(--fg);
}

.page-privacy .privacy-shell {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 24px 20px 72px;
}

.page-privacy .breadcrumb {
  margin-bottom: 20px;
}

/* ---------- 首屏 ---------- */

.page-privacy .privacy-hero {
  padding: 8px 0 28px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 32px;
}

.page-privacy .privacy-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--vermilion);
  margin: 0 0 14px;
}

.page-privacy .privacy-title {
  font-family: var(--font-sans);
  font-size: clamp(28px, 5.2vw, 52px);
  font-weight: 300;
  line-height: 1.16;
  letter-spacing: -0.012em;
  color: var(--cream);
  margin: 0 0 18px;
  max-width: 22ch;
}

.page-privacy .privacy-lede {
  font-size: 16px;
  line-height: 1.85;
  color: rgba(242, 232, 213, .78);
  max-width: 68ch;
  margin: 0;
}

/* ---------- 横幅图形 ---------- */

.page-privacy .privacy-banner {
  position: relative;
  margin: 0 0 40px;
  height: 240px;
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, var(--ink-900), var(--glass));
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .4;
}

.page-privacy .privacy-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(6, 16, 32, .82) 0%, rgba(6, 16, 32, .28) 55%, rgba(182, 255, 59, .10) 100%),
    repeating-linear-gradient(0deg, rgba(91, 114, 144, .10) 0 1px, transparent 1px 22px);
  pointer-events: none;
}

/* ---------- 主体骨架 ---------- */

.page-privacy .privacy-body {
  display: block;
}

/* ---------- 章节索引 ---------- */

.page-privacy .privacy-index-wrap {
  margin-bottom: 40px;
}

.page-privacy .privacy-index-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--slate);
  margin: 0 0 12px;
}

.page-privacy .privacy-index {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-index li {
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-index a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 4px;
  text-decoration: none;
  color: var(--cream);
  font-size: 15px;
  line-height: 1.5;
  transition: color .2s var(--ease), background .2s var(--ease), padding-left .2s var(--ease);
}

.page-privacy .privacy-index a:hover,
.page-privacy .privacy-index a:focus-visible {
  color: var(--orange);
  background: rgba(30, 58, 95, .35);
  padding-left: 10px;
}

.page-privacy .idx-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--vermilion);
  flex-shrink: 0;
}

.page-privacy .idx-text {
  flex: 1 1 auto;
}

/* ---------- 条款章节 ---------- */

.page-privacy .privacy-chapter {
  scroll-margin-top: calc(var(--header-h) + 24px);
  margin: 0 0 56px;
  padding-top: 4px;
}

.page-privacy .privacy-chapter:last-child {
  margin-bottom: 24px;
}

.page-privacy .privacy-chapter-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-chapter-num {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .14em;
  color: var(--vermilion);
  flex-shrink: 0;
}

.page-privacy .privacy-chapter-num::after {
  content: "—";
  color: var(--slate);
  margin-left: 10px;
}

.page-privacy .privacy-chapter:target .privacy-chapter-num {
  color: var(--lime);
}

.page-privacy .privacy-chapter-title {
  font-family: var(--font-sans);
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 700;
  font-style: italic;
  letter-spacing: -0.005em;
  color: var(--cream);
  margin: 0;
  line-height: 1.25;
}

.page-privacy .privacy-chapter-body p {
  font-size: 16px;
  line-height: 1.9;
  color: rgba(242, 232, 213, .85);
  max-width: 68ch;
  margin: 0 0 18px;
}

.page-privacy .privacy-chapter-body p:last-child {
  margin-bottom: 0;
}

.page-privacy .privacy-chapter-body strong {
  color: var(--cream);
  font-weight: 600;
}

/* ---------- 关键点引块 ---------- */

.page-privacy .privacy-note {
  border-left: 2px solid var(--vermilion);
  background: rgba(217, 78, 31, .10);
  padding: 16px 18px;
  margin: 24px 0 0;
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
}

.page-privacy .privacy-note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cream);
  max-width: 68ch;
}

/* ---------- 页尾奶油层 ---------- */

.page-privacy .privacy-tail {
  margin-top: 56px;
  background: var(--cream);
  color: var(--brown);
  padding: 28px 22px 30px;
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-glass);
}

.page-privacy .privacy-tail-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--vermilion);
  margin: 0 0 16px;
}

.page-privacy .privacy-tail-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-privacy .privacy-tail-links a {
  display: inline-block;
  color: var(--brown);
  text-decoration: none;
  font-size: 16px;
  padding-bottom: 3px;
  border-bottom: 1px solid rgba(22, 16, 9, .28);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-privacy .privacy-tail-links a:hover,
.page-privacy .privacy-tail-links a:focus-visible {
  color: var(--vermilion);
  border-color: var(--vermilion);
}

/* ---------- 显现 ---------- */

.page-privacy [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}

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

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-privacy .privacy-shell {
    padding: 32px 32px 96px;
  }

  .page-privacy .privacy-banner {
    height: 280px;
  }

  .page-privacy .privacy-tail {
    padding: 32px 32px 34px;
  }

  .page-privacy .privacy-tail-links {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 12px 32px;
  }
}

@media (min-width: 1024px) {
  .page-privacy .privacy-shell {
    padding: 40px 40px 120px;
  }

  .page-privacy .privacy-hero {
    padding: 12px 0 36px;
    margin-bottom: 40px;
  }

  .page-privacy .privacy-banner {
    height: 340px;
  }

  .page-privacy .privacy-body {
    display: grid;
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-privacy .privacy-index-wrap {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    margin-bottom: 0;
  }

  .page-privacy .privacy-chapters {
    max-width: var(--pv-doc-max);
  }
}

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

  .page-privacy .privacy-index a,
  .page-privacy .privacy-tail-links a {
    transition: none;
  }
}