.page-privacy {
  --priv-hair: rgba(199, 207, 216, 0.55);
  --priv-hair-ink: rgba(199, 207, 216, 0.24);
  background: var(--paper);
}

/* ---------- 首屏 ---------- */

.page-privacy .privacy-mast {
  position: relative;
  overflow: hidden;
  padding-bottom: clamp(44px, 9vw, 76px);
}

.page-privacy .privacy-mast::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(199, 207, 216, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(199, 207, 216, 0.07) 1px, transparent 1px);
  background-size: 52px 52px;
  pointer-events: none;
}

.page-privacy .privacy-mast .wrap {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-crumb {
  margin-bottom: 24px;
  color: var(--on-ink-soft);
}

.page-privacy .privacy-crumb a {
  color: var(--on-ink-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

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

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

.page-privacy .privacy-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(38px, 10vw, 66px);
  line-height: 1.02;
  letter-spacing: 0.01em;
  color: var(--on-ink);
  margin: 0 0 20px;
  max-width: 12ch;
}

.page-privacy .privacy-lede {
  max-width: 60ch;
  color: var(--on-ink-soft);
  font-size: 17px;
  line-height: 1.85;
  margin: 0;
}

.page-privacy .privacy-visual {
  margin: clamp(30px, 7vw, 48px) 0 0;
  border: 1px solid var(--priv-hair-ink);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--ink-900);
}

.page-privacy .privacy-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.92;
}

.page-privacy .privacy-visual__cap {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--on-ink-soft);
  padding: 13px 18px;
  border-top: 1px solid var(--priv-hair-ink);
  background: var(--ink-800);
}

/* ---------- 目录 + 条款 ---------- */

.page-privacy .privacy-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-privacy .privacy-toc {
  background: var(--card);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--signal);
  border-radius: var(--r);
  padding: 18px 18px 10px;
}

.page-privacy .privacy-toc__title {
  color: var(--graphite);
  margin: 0 0 10px;
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .privacy-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-height: 44px;
  box-sizing: border-box;
  padding: 12px 0;
  font-size: 15px;
  line-height: 1.4;
  color: var(--ink-800);
  text-decoration: none;
  border-bottom: 1px solid var(--priv-hair);
  transition: color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-privacy .privacy-toc__list li:last-child a {
  border-bottom: 0;
}

.page-privacy .privacy-toc__list a:hover,
.page-privacy .privacy-toc__list a:focus-visible {
  color: var(--signal-text);
  padding-left: 6px;
}

.page-privacy .privacy-toc__num {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--signal-text);
}

.page-privacy .privacy-toc__note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-privacy .privacy-terms {
  min-width: 0;
}

/* ---------- 条款块 ---------- */

.page-privacy .privacy-clause {
  border-bottom: 1px solid var(--rule);
  transition: background 0.25s var(--ease);
}

.page-privacy .privacy-clause:target {
  background: linear-gradient(90deg, rgba(255, 107, 44, 0.09), rgba(255, 107, 44, 0) 58%);
}

.page-privacy .privacy-clause .acc__q {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 24px 0 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-privacy .privacy-clause .acc__t {
  flex: 1 1 auto;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(19px, 4.6vw, 25px);
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--ink-800);
}

.page-privacy .privacy-clause__num {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--signal-text);
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--r);
  padding: 4px 8px;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-privacy .privacy-clause[open] .privacy-clause__num {
  background: var(--signal);
  border-color: var(--signal);
  color: #FFFFFF;
}

.page-privacy .privacy-clause .acc__a {
  max-width: 70ch;
  padding: 0 0 28px;
  color: var(--graphite);
  font-size: 16px;
  line-height: 1.85;
}

.page-privacy .privacy-clause .acc__a > p {
  margin: 0 0 14px;
}

.page-privacy .privacy-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 22px;
  line-height: 1.85;
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 11px;
  height: 2px;
  background: var(--signal);
}

.page-privacy .privacy-mail {
  font-family: var(--font-mono);
  font-size: 0.94em;
  color: var(--signal-text);
  word-break: break-all;
}

.page-privacy .privacy-mail--on-ink {
  color: var(--signal);
}

/* ---------- 收尾 ---------- */

.page-privacy .privacy-tail .privacy-tail__lead {
  margin-bottom: 22px;
}

.page-privacy .privacy-tail__eyebrow {
  color: var(--signal);
  margin: 0 0 14px;
}

.page-privacy .privacy-tail__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(26px, 6.6vw, 40px);
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--on-ink);
  margin: 0;
  max-width: 16ch;
}

.page-privacy .privacy-tail__side p {
  margin: 0 0 24px;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--on-ink-soft);
}

.page-privacy .privacy-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 14px;
  align-items: center;
}

/* ---------- 平板与桌面 ---------- */

@media (min-width: 900px) {
  .page-privacy .privacy-shell {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: 60px;
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 108px;
    background: transparent;
    border: 0;
    border-left: 1px solid var(--signal);
    border-radius: 0;
    padding: 2px 0 2px 20px;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
  }

  .page-privacy .privacy-toc__list a {
    border-bottom-color: var(--priv-hair);
  }

  .page-privacy .privacy-tail__grid {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 56px;
    align-items: start;
  }

  .page-privacy .privacy-tail .privacy-tail__lead {
    margin-bottom: 0;
  }
}

@media (min-width: 1180px) {
  .page-privacy .privacy-shell {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: 76px;
  }

  .page-privacy .privacy-clause .acc__q {
    padding: 28px 0 22px;
  }
}

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