.page-privacy {
  --privacy-toc-w: 236px;
  --privacy-gap: clamp(22px, 3vw, 46px);
  --privacy-line-soft: rgba(0, 229, 255, 0.16);
  background: var(--ink-void);
  color: var(--white);
}

/* ===== 顶部封面 ===== */
.page-privacy .privacy-top {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 5vw, 52px) 0 clamp(26px, 4vw, 46px);
  background:
    radial-gradient(880px 420px at 10% -12%, rgba(0, 229, 255, 0.16), transparent 62%),
    radial-gradient(760px 400px at 90% -6%, rgba(59, 30, 110, 0.62), transparent 66%),
    linear-gradient(180deg, var(--brand-blue) 0%, var(--ink-void) 96%);
}

.page-privacy .privacy-top::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.16;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 74px 74px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
}

.page-privacy .privacy-top .container {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-top .crumbs {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-privacy .privacy-top .eyebrow {
  margin: 0 0 14px;
  color: var(--neon);
}

.page-privacy .privacy-top h1 {
  margin: 0 0 18px;
  max-width: 22ch;
  font-size: clamp(30px, 6vw, 62px);
  line-height: 1.16;
  letter-spacing: 0.02em;
  color: var(--white);
  text-shadow:
    0 0 22px rgba(0, 229, 255, 0.26),
    0 0 46px rgba(10, 42, 107, 0.5);
}

.page-privacy .privacy-top__lead {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--mist);
}

.page-privacy .privacy-top__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 26px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--mist);
}

.page-privacy .privacy-top__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-privacy .privacy-top__facts .mono {
  color: var(--neon);
  font-size: 14px;
  letter-spacing: 0.06em;
}

/* ===== 横条氛围图 ===== */
.page-privacy .privacy-banner {
  margin: 0;
  line-height: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, var(--purple), var(--brand-blue) 55%, var(--ink-void));
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  height: clamp(132px, 20vw, 236px);
  object-fit: cover;
  opacity: 0.85;
}

/* ===== 主结构：左目录 + 右正文 ===== */
.page-privacy .privacy-shell {
  display: grid;
  gap: var(--privacy-gap);
  padding-top: clamp(28px, 5vw, 56px);
  padding-bottom: clamp(44px, 8vw, 96px);
}

.page-privacy .privacy-toc {
  padding: 18px 16px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(16, 28, 51, 0.92), rgba(10, 42, 107, 0.32));
  box-shadow: 0 10px 30px rgba(2, 6, 18, 0.4);
}

.page-privacy .privacy-toc__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--neon);
  font-family: var(--font-mono);
}

.page-privacy .privacy-toc__list {
  display: grid;
  gap: 2px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-privacy .privacy-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 9px;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: background-color 180ms var(--ease), color 180ms var(--ease);
}

.page-privacy .privacy-toc__list a .mono {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--neon);
  opacity: 0.85;
}

.page-privacy .privacy-toc__list a:hover,
.page-privacy .privacy-toc__list a:focus-visible {
  background: rgba(0, 229, 255, 0.08);
  color: var(--white);
}

.page-privacy .privacy-toc__top {
  width: 100%;
  justify-content: center;
}

/* ===== 正文分节 ===== */
.page-privacy .privacy-body {
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
  min-width: 0;
}

.page-privacy .privacy-sec {
  position: relative;
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: 0 14px 34px rgba(2, 6, 18, 0.36);
  scroll-margin-top: calc(var(--bar-h-stuck) + 24px);
}

.page-privacy .privacy-sec::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 42%;
  height: 2px;
  border-radius: var(--radius) 0 0 0;
  background: linear-gradient(90deg, var(--neon), transparent);
  opacity: 0.85;
}

.page-privacy .privacy-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-sec__index {
  flex: none;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--neon);
}

.page-privacy .privacy-sec__title {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.35;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-privacy .privacy-sec__lead {
  margin: 0 0 1.1em;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--white);
}

.page-privacy .privacy-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 22px;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 0.75em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.7);
}

.page-privacy .privacy-list a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid var(--privacy-line-soft);
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-privacy .privacy-list a:hover,
.page-privacy .privacy-list a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-privacy .privacy-key {
  color: var(--white);
  border-bottom: 1px solid var(--privacy-line-soft);
}

.page-privacy .privacy-sec__sum {
  margin: 1.5em 0 0;
  padding: 11px 15px;
  border-left: 2px solid var(--neon);
  border-radius: 0 8px 8px 0;
  background: rgba(0, 229, 255, 0.055);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ===== 桌面端：粘性目录 ===== */
@media (min-width: 980px) {
  .page-privacy .privacy-shell {
    grid-template-columns: var(--privacy-toc-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--bar-h-stuck) + 24px);
  }

  .page-privacy .privacy-sec:nth-child(even) {
    margin-left: 22px;
  }
}

@media (min-width: 1240px) {
  .page-privacy .privacy-sec__lead {
    font-size: 17px;
  }

  .page-privacy .privacy-list li {
    font-size: 16px;
  }
}

/* ===== 动效：仅在脚本开启时生效 ===== */
.page-privacy[data-reveal="on"] .privacy-sec,
html[data-reveal="on"] .page-privacy .privacy-sec {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 320ms var(--ease), transform 320ms var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}

.page-privacy[data-reveal="on"] .privacy-sec.is-in,
html[data-reveal="on"] .page-privacy .privacy-sec.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-sec,
  .page-privacy .privacy-toc__list a {
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
  }
}

.page-privacy {
  --reveal-delay: 0.3s;
}