.page-privacy {
  --privacy-ink: #23303a;
  display: block;
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: hidden;
}

/* ── 首屏 ───────────────────────────────── */
.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-top: clamp(28px, 5vw, 56px);
  padding-bottom: clamp(36px, 6vw, 72px);
  border-bottom: var(--bw-2) solid var(--ink-800);
  background: var(--ink-900);
}

.page-privacy .privacy-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center;
  opacity: .3;
  filter: saturate(.65);
  z-index: -2;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(7, 27, 46, .62) 0%, rgba(7, 27, 46, .9) 68%, var(--ink-900) 100%),
    repeating-linear-gradient(115deg, rgba(37, 225, 206, .05) 0 2px, transparent 2px 26px);
  pointer-events: none;
}

.page-privacy .privacy-hero__inner {
  position: relative;
}

.page-privacy .privacy-hero .breadcrumb {
  margin-bottom: clamp(20px, 4vw, 34px);
}

.page-privacy .page-head__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-privacy .page-head__title {
  margin: .22em 0 .28em;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.4rem, 8vw, 4.8rem);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-privacy .page-head__lede {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(.9375rem, 2.2vw, 1.0625rem);
  line-height: 1.8;
  color: var(--paper-mid);
}

/* 等宽摘要条 */
.page-privacy .privacy-brief {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--bw-1);
  margin: clamp(26px, 5vw, 44px) 0 0;
  padding: var(--bw-1);
  background: var(--steel);
  border: var(--bw-1) solid var(--steel);
}

.page-privacy .privacy-brief > div {
  min-width: 0;
  padding: 14px 16px;
  background: var(--ink-800);
}

.page-privacy .privacy-brief dt {
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .12em;
  color: var(--steel);
}

.page-privacy .privacy-brief dd {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.125rem, 3.4vw, 1.5rem);
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
  overflow-wrap: break-word;
}

.page-privacy .privacy-brief > div:last-child dd {
  font-size: clamp(1rem, 2.8vw, 1.25rem);
}

/* ── 主体栅格 ────────────────────────────── */
.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  padding-top: clamp(32px, 6vw, 64px);
  padding-bottom: clamp(56px, 9vw, 104px);
}

/* ── 章节索引 ───────────────────────────── */
.page-privacy .privacy-toc {
  min-width: 0;
  padding: 16px;
  background: var(--ink-800);
  border: var(--bw-1) solid var(--ink-800);
}

.page-privacy .privacy-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-privacy .privacy-toc ol {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-privacy .privacy-toc li {
  flex: 0 0 auto;
}

.page-privacy .privacy-toc a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 12px;
  font-size: .875rem;
  line-height: 1.3;
  white-space: nowrap;
  text-decoration: none;
  color: var(--paper-mid);
  background: rgba(243, 237, 224, .05);
  border: var(--bw-1) solid transparent;
  transition: color .18s var(--ease-out), border-color .18s var(--ease-out), background-color .18s var(--ease-out);
}

.page-privacy .privacy-toc a .index-num {
  color: var(--steel);
  font-size: .75rem;
}

.page-privacy .privacy-toc a:hover,
.page-privacy .privacy-toc a:focus-visible {
  color: var(--paper);
  background: rgba(37, 225, 206, .12);
  border-color: var(--cyan);
}

.page-privacy .privacy-toc a:hover .index-num,
.page-privacy .privacy-toc a:focus-visible .index-num {
  color: var(--cyan);
}

/* ── 条款正文 ───────────────────────────── */
.page-privacy .privacy-paper {
  min-width: 0;
  background: var(--paper);
  color: var(--privacy-ink);
  border: var(--bw-2) solid var(--black);
  box-shadow: var(--shadow-hard);
}

.page-privacy .privacy-section {
  padding: clamp(24px, 4vw, 42px) clamp(18px, 4.5vw, 46px);
  border-top: var(--bw-1) solid var(--rule);
  scroll-margin-top: 92px;
}

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

.page-privacy .privacy-section:target {
  background: rgba(37, 225, 206, .07);
}

.page-privacy .privacy-section__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: var(--bw-1) dashed var(--rule);
}

.page-privacy .privacy-section__head .index-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  font-variant-numeric: tabular-nums;
  color: var(--cyan-deep);
}

.page-privacy .privacy-section__head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.2rem, 3.6vw, 1.55rem);
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--black);
}

.page-privacy .privacy-section p {
  max-width: 68ch;
  margin: 0 0 1em;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--privacy-ink);
}

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

.page-privacy .privacy-section strong {
  font-weight: 700;
  color: var(--black);
}

.page-privacy .privacy-section a {
  color: var(--cyan-deep);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-privacy .privacy-section a:hover,
.page-privacy .privacy-section a:focus-visible {
  color: var(--black);
  background: rgba(37, 225, 206, .22);
}

.page-privacy .privacy-list {
  display: grid;
  gap: 10px;
  max-width: 68ch;
  margin: 0 0 1.15em;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 22px;
  font-size: .9688rem;
  line-height: 1.8;
  color: var(--privacy-ink);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 11px;
  height: 2px;
  background: var(--orange);
}

.page-privacy .privacy-note {
  max-width: 68ch;
  margin: 0;
  padding: 13px 16px;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--privacy-ink);
  background: rgba(255, 122, 47, .09);
  border-left: 3px solid var(--orange);
}

.page-privacy .privacy-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 1.1em 0 0;
}

.page-privacy .privacy-chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .06em;
  color: var(--black);
  background: var(--paper);
  border: var(--bw-1) solid var(--black);
}

/* 青训章节配色区分 */
.page-privacy .privacy-section--youth {
  background: rgba(30, 122, 76, .07);
  border-left: var(--bw-2) solid var(--green);
}

.page-privacy .privacy-section--youth .privacy-section__head .index-num {
  color: var(--green);
}

.page-privacy .privacy-section--youth .privacy-list li::before {
  background: var(--green);
}

/* ── 回到顶部 ───────────────────────────── */
.page-privacy .privacy-top {
  position: fixed;
  right: clamp(12px, 3vw, 28px);
  bottom: clamp(12px, 3vw, 28px);
  z-index: 40;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  text-decoration: none;
  color: var(--ink-900);
  background: var(--cyan);
  border: var(--bw-1) solid var(--black);
  box-shadow: var(--shadow-hard);
  transition: box-shadow .18s var(--ease-out), transform .18s var(--ease-out);
}

.page-privacy .privacy-top:hover,
.page-privacy .privacy-top:focus-visible {
  box-shadow: var(--shadow-hard-lg);
  transform: translate(-2px, -2px);
}

/* ── 平板及以上 ─────────────────────────── */
@media (min-width: 720px) {
  .page-privacy .privacy-brief {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(28px, 4.5vw, 54px);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 84px;
    padding: 20px 18px;
  }

  .page-privacy .privacy-toc ol {
    display: grid;
    gap: 2px;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-privacy .privacy-toc a {
    display: flex;
    width: 100%;
    padding: 10px 12px;
    white-space: normal;
    background: transparent;
    border: 0;
    border-left: var(--bw-1) solid transparent;
  }

  .page-privacy .privacy-toc a:hover,
  .page-privacy .privacy-toc a:focus-visible {
    border-left-color: var(--cyan);
    background: rgba(37, 225, 206, .1);
  }
}

/* ── 打印 ───────────────────────────────── */
@media print {
  .page-privacy {
    background: #fff;
    color: #000;
  }

  .page-privacy .privacy-hero {
    padding: 0 0 14px;
    border-bottom: 1px solid #000;
  }

  .page-privacy .privacy-hero__bg,
  .page-privacy .privacy-hero::after,
  .page-privacy .privacy-toc,
  .page-privacy .privacy-top {
    display: none !important;
  }

  .page-privacy .page-head__title,
  .page-privacy .page-head__lede,
  .page-privacy .page-head__eyebrow,
  .page-privacy .breadcrumb a,
  .page-privacy .breadcrumb li {
    color: #000 !important;
  }

  .page-privacy .privacy-brief {
    padding: 1px;
    background: #000;
    border-color: #000;
  }

  .page-privacy .privacy-brief > div {
    background: #fff;
  }

  .page-privacy .privacy-brief dt,
  .page-privacy .privacy-brief dd {
    color: #000;
  }

  .page-privacy .privacy-body {
    display: block;
    padding: 0;
  }

  .page-privacy .privacy-paper {
    border: 0;
    box-shadow: none;
    background: #fff;
  }

  .page-privacy .privacy-section {
    break-inside: avoid;
    page-break-inside: avoid;
    padding: 16px 0;
    border-top: 1px solid #999;
    background: #fff !important;
    border-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc a,
  .page-privacy .privacy-top {
    transition: none;
  }

  .page-privacy .privacy-top:hover,
  .page-privacy .privacy-top:focus-visible {
    transform: none;
  }
}