.page-privacy {
  --priv-measure: 760px;
  --priv-num-col: 72px;
  display: block;
}

/* ---------- 收窄单栏壳 ---------- */
.page-privacy .priv-shell {
  width: 100%;
  max-width: var(--priv-measure);
  margin-inline: auto;
  padding-inline: 20px;
  box-sizing: border-box;
}

/* ---------- 页头 ---------- */
.page-privacy .priv-hero {
  position: relative;
  overflow: hidden;
  padding: 40px 0 46px;
  border-bottom: 1px solid var(--line-600);
}

.page-privacy .priv-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 38%;
  opacity: 0.22;
  pointer-events: none;
}

.page-privacy .priv-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(130% 100% at 10% -10%, rgba(200, 162, 74, 0.14), rgba(7, 9, 12, 0) 58%),
    linear-gradient(180deg, rgba(7, 9, 12, 0.62) 0%, rgba(7, 9, 12, 0.9) 58%, var(--ink-900) 100%);
  pointer-events: none;
}

.page-privacy .priv-hero__inner {
  position: relative;
  z-index: 1;
}

.page-privacy .priv-hero__inner .crumbs {
  margin-bottom: 26px;
}

.page-privacy .priv-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 7.4vw, 3.1rem);
  font-weight: 300;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--mist-200);
  text-wrap: balance;
}

.page-privacy .priv-hero__lead {
  margin: 20px 0 0;
  max-width: 56ch;
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--mist-400);
}

.page-privacy .priv-hero__ver {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 26px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist-400);
}

.page-privacy .priv-hero__ver .num {
  color: var(--gold-300);
}

.page-privacy .priv-hero__dot {
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--jade-400);
  box-shadow: 0 0 0 3px rgba(79, 191, 159, 0.16);
}

/* ---------- 吸顶条款索引 ---------- */
.page-privacy .priv-toc {
  position: sticky;
  top: var(--head-h);
  z-index: 4;
  background: rgba(7, 9, 12, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-600);
}

.page-privacy .priv-toc__inner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-block: 11px;
  overflow: hidden;
}

.page-privacy .priv-toc__label {
  flex: none;
  margin: 0;
  padding-right: 14px;
  border-right: 1px solid var(--line-600);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist-400);
}

.page-privacy .priv-toc__list {
  display: flex;
  gap: 22px;
  margin: 0;
  padding: 0 2px 2px;
  list-style: none;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .priv-toc__list::-webkit-scrollbar {
  display: none;
}

.page-privacy .priv-toc__item {
  flex: none;
}

.page-privacy .priv-toc__link {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 4px 0;
  font-size: 12.5px;
  line-height: 1.4;
  color: var(--mist-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 240ms var(--ease), border-color 240ms var(--ease);
}

.page-privacy .priv-toc__no {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--gold-500);
}

.page-privacy .priv-toc__link:hover,
.page-privacy .priv-toc__link:focus-visible {
  color: var(--mist-200);
  border-bottom-color: var(--gold-500);
}

/* ---------- 条款主体 ---------- */
.page-privacy .priv-clauses {
  padding-bottom: 8px;
}

.page-privacy .clause {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 50px 0;
  border-bottom: 1px solid var(--line-600);
  scroll-margin-top: calc(var(--head-h) + 62px);
}

.page-privacy .clause:last-of-type {
  border-bottom: none;
  padding-bottom: 30px;
}

.page-privacy .clause__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  font-variant-numeric: tabular-nums;
  color: var(--mist-400);
  transition: color 360ms var(--ease);
}

.page-privacy .clause__num::after {
  content: "";
  display: block;
  width: 24px;
  height: 1px;
  margin-top: 9px;
  background: var(--line-600);
}

.page-privacy .clause.is-active .clause__num,
.page-privacy .clause:hover .clause__num {
  color: var(--gold-500);
}

.page-privacy .clause__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 4.6vw, 1.55rem);
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--mist-200);
}

.page-privacy .clause__verdict {
  margin: 0 0 26px;
  padding-bottom: 16px;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--mist-200);
  background-image: linear-gradient(90deg, rgba(200, 162, 74, 0.78), rgba(79, 191, 159, 0.26) 56%, rgba(200, 162, 74, 0));
  background-repeat: no-repeat;
  background-size: 100% 1px;
  background-position: 0 100%;
}

.page-privacy .clause__stack > p {
  margin: 0 0 18px;
  max-width: 62ch;
  font-size: 0.95rem;
  line-height: 1.95;
  color: var(--mist-200);
}

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

.page-privacy .clause__list {
  display: grid;
  gap: 15px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.page-privacy .clause__list > li {
  position: relative;
  max-width: 62ch;
  padding-left: 20px;
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--mist-200);
}

.page-privacy .clause__list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.86em;
  width: 8px;
  height: 1px;
  background: var(--jade-400);
}

.page-privacy .priv-k {
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--jade-400);
  white-space: nowrap;
}

.page-privacy .priv-mail {
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: var(--gold-300);
  word-break: break-all;
}

.page-privacy .clause__tail {
  padding-top: 4px;
  font-size: 0.9rem !important;
  color: var(--mist-400) !important;
}

.page-privacy .priv-link {
  color: var(--gold-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 162, 74, 0.5);
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-privacy .priv-link:hover,
.page-privacy .priv-link:focus-visible {
  color: var(--mist-200);
  border-bottom-color: var(--jade-400);
}

/* ---------- 术语折叠 ---------- */
.page-privacy .terms {
  margin-top: 30px;
  border-top: 1px solid var(--line-600);
}

.page-privacy .terms__hint {
  margin: 18px 0 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist-400);
}

.page-privacy .term {
  border-bottom: 1px solid var(--line-600);
}

.page-privacy .term__sum {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 0;
  cursor: pointer;
  list-style: none;
  font-size: 0.9rem;
  color: var(--mist-200);
  transition: color 200ms var(--ease);
}

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

.page-privacy .term__sum::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
  color: var(--gold-500);
}

.page-privacy .term[open] .term__sum::after {
  content: "−";
}

.page-privacy .term__sum:hover,
.page-privacy .term__sum:focus-visible {
  color: var(--gold-300);
}

.page-privacy .term__meta {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist-400);
}

.page-privacy .term__note {
  margin: 0 0 16px;
  padding-left: 2px;
  max-width: 58ch;
  font-size: 0.875rem;
  line-height: 1.85;
  color: var(--mist-400);
}

/* ---------- 底部署名 ---------- */
.page-privacy .priv-sign {
  border-top: 1px solid var(--line-600);
  padding: 44px 0 72px;
}

.page-privacy .priv-sign__line {
  margin: 0;
  max-width: 58ch;
  font-size: 0.875rem;
  line-height: 1.9;
  color: var(--mist-200);
}

.page-privacy .priv-sign__meta {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist-400);
}

.page-privacy .priv-sign__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 26px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-privacy {
    --priv-measure: 780px;
  }

  .page-privacy .priv-shell {
    padding-inline: 28px;
  }

  .page-privacy .priv-hero {
    padding: 56px 0 58px;
  }
}

@media (min-width: 900px) {
  .page-privacy {
    --priv-measure: 820px;
  }

  .page-privacy .priv-shell {
    padding-inline: 32px;
  }

  .page-privacy .priv-hero {
    padding: 76px 0 72px;
  }

  .page-privacy .clause {
    grid-template-columns: var(--priv-num-col) 1fr;
    gap: 0 32px;
    padding: 66px 0;
  }

  .page-privacy .clause__num {
    padding-top: 7px;
  }

  .page-privacy .clause__num::after {
    display: none;
  }

  .page-privacy .priv-toc__inner {
    padding-block: 13px;
  }
}

@media (max-width: 560px) {
  .page-privacy .priv-toc__label {
    display: none;
  }

  .page-privacy .priv-toc__list {
    gap: 18px;
  }

  .page-privacy .priv-hero__ver {
    flex-wrap: wrap;
    row-gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .clause__num,
  .page-privacy .priv-toc__link,
  .page-privacy .term__sum,
  .page-privacy .priv-link {
    transition: none;
  }
}