.page-privacy {
  --priv-measure: 34em;
  --priv-toc-w: 216px;
  background: var(--ink-900);
}

/* ---------- 顶部 ---------- */
.page-privacy .priv-hero {
  padding: clamp(22px, 3.4vw, 40px) 0 clamp(26px, 3.6vw, 44px);
  background:
    radial-gradient(120% 130% at 88% -10%, rgba(63, 224, 206, 0.14), transparent 62%),
    linear-gradient(168deg, var(--ink-800) 0%, var(--ink-900) 64%);
  border-bottom: 1px solid var(--line);
}

.page-privacy .priv-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-privacy .priv-hero__stamp {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-privacy .priv-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: clamp(38px, 7.4vw, 70px);
  line-height: 1.02;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-privacy .priv-hero__lede {
  max-width: 42em;
  margin: 0;
  font-size: clamp(15.5px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--mist);
}

.page-privacy .priv-banner {
  position: relative;
  margin-top: clamp(22px, 3vw, 34px);
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-privacy .priv-banner img {
  display: block;
  width: 100%;
  height: clamp(140px, 20vw, 240px);
  object-fit: cover;
  max-width: 100%;
}

.page-privacy .priv-banner__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(92deg, rgba(6, 23, 34, 0.86) 4%, rgba(10, 42, 38, 0.34) 56%, rgba(198, 255, 74, 0.12) 100%);
  pointer-events: none;
}

/* ---------- 主体排布 ---------- */
.page-privacy .priv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 40px);
  padding: clamp(32px, 4.6vw, 56px) 0 clamp(56px, 7vw, 96px);
}

/* ---------- 章节导航 ---------- */
.page-privacy .priv-toc {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.page-privacy .priv-toc__cap {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-privacy .priv-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
}

.page-privacy .priv-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 12px 9px 14px;
  border-left: 2px solid var(--line);
  font-size: 14px;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  transition: color 200ms var(--ease), border-color 200ms var(--ease), background 200ms var(--ease);
}

.page-privacy .priv-toc__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--aqua);
  flex: none;
}

.page-privacy .priv-toc__link:hover,
.page-privacy .priv-toc__link:focus-visible {
  color: var(--paper);
  border-left-color: var(--lime);
  background: linear-gradient(90deg, rgba(198, 255, 74, 0.1), transparent 78%);
}

.page-privacy .priv-toc__link:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

/* ---------- 正文 ---------- */
.page-privacy .priv-body {
  max-width: var(--priv-measure);
  min-width: 0;
}

.page-privacy .priv-sec + .priv-sec {
  margin-top: clamp(36px, 4.4vw, 52px);
  padding-top: clamp(30px, 4vw, 44px);
  border-top: 1px solid var(--line);
}

.page-privacy .priv-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.page-privacy .priv-sec__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--lime);
  flex: none;
}

.page-privacy .priv-sec h2 {
  margin: 0;
  font-size: clamp(21px, 2.4vw, 24px);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-privacy .priv-body p {
  margin: 0 0 24px;
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--mist);
}

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

.page-privacy .priv-link {
  color: var(--aqua);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 180ms var(--ease);
}

.page-privacy .priv-link:hover,
.page-privacy .priv-link:focus-visible {
  color: var(--lime);
}

.page-privacy .priv-link:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

/* ---------- 信息分层卡 ---------- */
.page-privacy .priv-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0 0 26px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-privacy .priv-cards__item {
  background: var(--ink-700);
  padding: 18px 20px;
}

.page-privacy .priv-cards__item h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-privacy .priv-cards__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 提示卡 ---------- */
.page-privacy .priv-note {
  margin: 0 0 24px;
  padding: 16px 18px 16px 20px;
  background: var(--ink-700);
  border-left: 3px solid var(--aqua);
  border-radius: var(--radius-s);
}

.page-privacy .priv-note__title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--aqua);
}

.page-privacy .priv-note p:not(.priv-note__title) {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
}

.page-privacy .priv-note--mail {
  border-left-color: var(--lime);
}

.page-privacy .priv-note--mail .priv-note__title {
  color: var(--lime);
}

.page-privacy .priv-note strong {
  color: var(--paper);
  font-weight: 600;
  word-break: break-word;
}

/* ---------- 折叠说明 ---------- */
.page-privacy .priv-fold {
  margin: 0 0 24px;
  background: var(--ink-700);
  border-left: 3px solid var(--aqua);
  border-radius: var(--radius-s);
  overflow: hidden;
}

.page-privacy .priv-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 18px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

.page-privacy .priv-fold summary::-webkit-details-marker {
  display: none;
}

.page-privacy .priv-fold summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--lime);
}

.page-privacy .priv-fold[open] summary::after {
  content: "\2212";
}

.page-privacy .priv-fold summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -2px;
}

.page-privacy .priv-fold__body {
  padding: 0 18px 16px;
}

.page-privacy .priv-steps {
  margin: 0 0 12px;
  padding: 0 0 0 20px;
  list-style: decimal;
}

.page-privacy .priv-steps li {
  margin-bottom: 8px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-privacy .priv-steps li::marker {
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-privacy .priv-fold__tip {
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 联系 ---------- */
.page-privacy .priv-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0 0 20px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-privacy .priv-contact__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 18px;
  background: var(--ink-700);
}

.page-privacy .priv-contact dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-privacy .priv-contact dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--paper);
  word-break: break-word;
}

.page-privacy .priv-reach__tip {
  font-size: 14.5px;
  color: var(--mist);
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-privacy .priv-layout {
    grid-template-columns: var(--priv-toc-w) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }

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

  .page-privacy .priv-contact__row {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 1180px) {
  .page-privacy .priv-body {
    max-width: var(--priv-measure);
  }
}

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