.page-privacy {
  --privacy-rule: rgba(10, 16, 38, 0.12);
  --privacy-mark-bg: rgba(217, 169, 60, 0.34);
  background: var(--ink-night);
}

/* ---------- 首屏 ---------- */

.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(88px, 13vw, 170px) 0 clamp(52px, 7vw, 92px);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: -25% -12% -10% -12%;
  background:
    radial-gradient(58% 44% at 78% 10%, rgba(124, 90, 224, 0.30), transparent 70%),
    radial-gradient(46% 40% at 10% 28%, rgba(168, 196, 232, 0.16), transparent 72%),
    linear-gradient(180deg, rgba(10, 16, 38, 0) 42%, rgba(10, 16, 38, 0.92) 100%);
  pointer-events: none;
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 1080px;
}

.page-privacy .privacy-hero .breadcrumb {
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--on-dark-muted);
}

.page-privacy .privacy-hero .breadcrumb a {
  color: var(--mist-blue);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

.page-privacy .privacy-hero .breadcrumb a:hover {
  color: var(--pale-gold);
}

.page-privacy .privacy-hero h1 {
  margin: 18px 0 0;
  max-width: 19ch;
  font-size: clamp(1.95rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--ice-white);
}

.page-privacy .privacy-lede {
  margin: 24px 0 0;
  max-width: 60ch;
  font-size: clamp(0.98rem, 1.3vw, 1.12rem);
  line-height: 1.95;
  color: rgba(247, 243, 234, 0.82);
}

.page-privacy .privacy-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px clamp(28px, 5vw, 68px);
  margin: clamp(34px, 5vw, 58px) 0 0;
  padding: 22px 0 0;
  list-style: none;
  border-top: 1px solid var(--hairline-dark);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  color: var(--on-dark-muted);
}

.page-privacy .privacy-hero__num {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-num);
  font-weight: 200;
  font-size: clamp(1.25rem, 2.3vw, 1.85rem);
  line-height: 1.15;
  letter-spacing: 0;
  color: var(--pale-gold);
}

/* ---------- 正文区 ---------- */

.page-privacy .privacy-body {
  padding: clamp(52px, 7vw, 104px) 0 clamp(60px, 8vw, 126px);
  border-top: 3px solid var(--crest-gold);
}

.page-privacy .privacy-layout {
  display: grid;
  gap: clamp(30px, 6vw, 54px);
}

.page-privacy .privacy-rail.chapter-rail {
  position: static;
  inset: auto;
  display: none;
}

.page-privacy .privacy-rail__title {
  margin: 0 0 14px;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--ink-gold);
}

.page-privacy .privacy-rail a {
  display: block;
  margin-left: -20px;
  padding: 8px 0 8px 18px;
  border-left: 2px solid transparent;
  font-size: 0.83rem;
  line-height: 1.6;
  color: var(--on-light-muted);
  text-decoration: none;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-privacy .privacy-rail a:hover {
  color: var(--ink-night);
}

.page-privacy .privacy-rail a.is-active {
  border-left-color: var(--crest-gold);
  color: var(--ink-night);
  font-weight: 500;
}

.page-privacy .privacy-doc {
  max-width: 68ch;
}

.page-privacy .privacy-section {
  padding: clamp(32px, 4.6vw, 54px) 0;
  border-top: 1px solid var(--privacy-rule);
}

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

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

.page-privacy .privacy-section .chapter-no {
  flex: none;
  font-family: var(--font-num);
  font-weight: 200;
  font-size: clamp(1.05rem, 1.9vw, 1.45rem);
  letter-spacing: 0.02em;
  color: var(--ink-gold);
}

.page-privacy .privacy-section h2 {
  margin: 0;
  font-size: clamp(1.3rem, 2.5vw, 1.85rem);
  font-weight: 700;
  line-height: 1.36;
  letter-spacing: -0.01em;
  color: var(--ink-night);
}

.page-privacy .privacy-section p {
  margin: 0 0 16px;
  font-size: 1rem;
  line-height: 1.95;
  color: var(--on-light-muted);
}

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

.page-privacy .privacy-mark {
  background: linear-gradient(180deg, transparent 58%, var(--privacy-mark-bg) 58%);
  padding: 0 2px;
  font-weight: inherit;
  color: inherit;
}

.page-privacy .privacy-facts {
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--privacy-rule);
}

.page-privacy .privacy-facts li {
  display: grid;
  gap: 5px;
  padding: 15px 0;
  border-bottom: 1px solid var(--privacy-rule);
}

.page-privacy .privacy-fact__key {
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--ink-night);
  letter-spacing: 0.01em;
}

.page-privacy .privacy-facts li span:last-child {
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--on-light-muted);
}

.page-privacy .privacy-uses {
  display: grid;
  gap: 18px;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-uses li {
  padding-left: 16px;
  border-left: 2px solid rgba(217, 169, 60, 0.55);
}

.page-privacy .privacy-uses h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ink-night);
}

.page-privacy .privacy-uses p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
}

.page-privacy .privacy-figure {
  margin: clamp(30px, 4.4vw, 48px) 0;
}

.page-privacy .privacy-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 4px;
}

.page-privacy .privacy-figure figcaption {
  margin-top: 12px;
  font-size: 0.78rem;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--on-light-muted);
}

/* ---------- 底部入口 ---------- */

.page-privacy .privacy-cta {
  position: relative;
  padding: clamp(52px, 7.5vw, 104px) 0;
  overflow: hidden;
}

.page-privacy .privacy-cta::before {
  content: "";
  position: absolute;
  inset: 0 -10% 0 -10%;
  background: radial-gradient(52% 70% at 22% 100%, rgba(124, 90, 224, 0.26), transparent 72%);
  pointer-events: none;
}

.page-privacy .privacy-cta__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
}

.page-privacy .privacy-cta h2 {
  margin: 0;
  max-width: 24ch;
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--ice-white);
}

.page-privacy .privacy-cta p {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--on-dark-muted);
}

.page-privacy .privacy-cta__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 18px;
}

.page-privacy .privacy-cta__link {
  font-size: 0.84rem;
  letter-spacing: 0.04em;
  color: var(--ice-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(168, 196, 232, 0.4);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-privacy .privacy-cta__link:hover {
  color: var(--pale-gold);
  border-bottom-color: rgba(240, 212, 138, 0.6);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-privacy .privacy-facts li {
    grid-template-columns: minmax(158px, 200px) minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

  .page-privacy .privacy-uses {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 32px;
  }
}

@media (min-width: 860px) {
  .page-privacy .privacy-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 48px;
  }

  .page-privacy .privacy-cta__actions {
    justify-content: flex-end;
    max-width: 320px;
  }
}

@media (min-width: 1000px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(48px, 7vw, 110px);
    align-items: start;
  }

  .page-privacy .privacy-rail.chapter-rail {
    display: block;
    position: sticky;
    top: calc(var(--header-h-slim) + 34px);
    padding-left: 18px;
    border-left: 2px solid var(--privacy-rule);
  }

  .page-privacy .privacy-doc {
    max-width: 66ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail a,
  .page-privacy .privacy-cta__link,
  .page-privacy .privacy-hero .breadcrumb a {
    transition: none;
  }
}