.page-privacy {
  --privacy-rule: rgba(42, 51, 49, 0.14);
  --privacy-rule-dark: rgba(199, 207, 204, 0.22);
  --privacy-measure: 66ch;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  padding-top: clamp(24px, 4.6vw, 52px);
  padding-bottom: 0;
  color: var(--mist);
  overflow: hidden;
}

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

.page-privacy .privacy-hero .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: 0 0 clamp(28px, 5vw, 60px);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--silver-dim);
}

.page-privacy .privacy-hero .crumbs a {
  color: var(--silver-dim);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-privacy .privacy-hero .crumbs a:hover {
  color: var(--cyan);
}

.page-privacy .privacy-hero .crumbs__sep {
  margin: 0 10px;
  color: rgba(143, 168, 161, 0.55);
}

.page-privacy .privacy-hero__kicker {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-privacy .privacy-hero__title {
  margin: 0 0 clamp(18px, 3vw, 30px);
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(38px, 9vw, 88px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--mist);
}

.page-privacy .privacy-hero__lead {
  max-width: 62ch;
  margin: 0 0 clamp(28px, 4vw, 46px);
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.78;
  color: var(--silver);
}

.page-privacy .privacy-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px clamp(24px, 4vw, 60px);
  margin: 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--privacy-rule-dark);
}

.page-privacy .privacy-hero__meta-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-privacy .privacy-hero__meta-item dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--silver-dim);
}

.page-privacy .privacy-hero__meta-item dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--mist);
}

.page-privacy .privacy-hero__figure {
  margin: clamp(32px, 5vw, 68px) 0 0;
}

.page-privacy .privacy-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  filter: saturate(0.5) contrast(1.05) brightness(0.86);
}

/* ---------- 正文区 ---------- */
.page-privacy .privacy-body {
  padding-top: clamp(40px, 6vw, 88px);
  padding-bottom: clamp(48px, 7vw, 104px);
  color: var(--graphite);
}

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 5vw, 48px);
}

.page-privacy .privacy-aside__hint {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-mid);
}

.page-privacy .privacy-rail {
  position: static;
  display: flex;
  flex-direction: row;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 10px;
}

.page-privacy .privacy-rail__item {
  display: flex;
  flex: 0 0 auto;
  align-items: baseline;
  gap: 8px;
  padding: 8px 10px;
  border-left: 2px solid transparent;
  font-size: 14px;
  white-space: nowrap;
  text-decoration: none;
  color: var(--graphite);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .privacy-rail__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-mid);
}

.page-privacy .privacy-rail__item:hover {
  color: var(--ink-deep);
  border-left-color: var(--silver);
}

.page-privacy .privacy-rail__item.is-active {
  color: var(--amber-deep);
  border-left-color: var(--amber-deep);
}

.page-privacy .privacy-rail__item.is-active .privacy-rail__num {
  color: var(--amber-deep);
}

.page-privacy .privacy-doc {
  max-width: var(--privacy-measure);
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-sec {
  scroll-margin-top: 96px;
}

.page-privacy .privacy-sec + .privacy-sec {
  margin-top: clamp(38px, 5vw, 68px);
  padding-top: clamp(32px, 4vw, 54px);
  border-top: 1px solid var(--privacy-rule);
}

.page-privacy .privacy-sec__title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(21px, 3vw, 28px);
  line-height: 1.32;
  letter-spacing: -0.012em;
  color: var(--ink-deep);
}

.page-privacy .privacy-sec__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--amber-deep);
}

.page-privacy .privacy-sec p {
  margin: 0 0 16px;
  font-size: 17px;
  line-height: 1.78;
  color: var(--graphite);
}

.page-privacy .privacy-points {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.page-privacy .privacy-points li {
  position: relative;
  margin-bottom: 12px;
  padding-left: 20px;
  font-size: 17px;
  line-height: 1.78;
  color: var(--graphite);
}

.page-privacy .privacy-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 8px;
  height: 2px;
  background: var(--ink-mid);
}

.page-privacy .privacy-points strong {
  font-weight: 700;
  color: var(--ink-deep);
}

.page-privacy .privacy-callout {
  margin: 26px 0;
  padding: clamp(16px, 2.4vw, 22px) clamp(18px, 2.6vw, 26px);
  border-left: 4px solid var(--cyan);
  background: var(--ink-deep);
  font-size: 16px;
  line-height: 1.72;
  color: var(--mist);
}

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

/* ---------- 折叠与存储条目 ---------- */
.page-privacy .privacy-fold {
  margin: 22px 0 0;
  border-top: 1px solid var(--privacy-rule);
}

.page-privacy .privacy-fold__summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--ink-mid);
  transition: color var(--dur) var(--ease);
}

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

.page-privacy .privacy-fold__summary::before {
  content: "+";
  font-size: 15px;
  color: var(--amber-deep);
}

.page-privacy .privacy-fold[open] .privacy-fold__summary::before {
  content: "–";
}

.page-privacy .privacy-fold__summary:hover {
  color: var(--ink-deep);
}

.page-privacy .privacy-fold__body {
  padding: 2px 0 20px;
}

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

.page-privacy .privacy-store__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 12px 0;
  border-top: 1px solid var(--privacy-rule);
}

.page-privacy .privacy-store__key {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--amber-deep);
}

.page-privacy .privacy-store__val {
  font-size: 15px;
  line-height: 1.7;
  color: var(--graphite);
}

/* ---------- 相关页面 ---------- */
.page-privacy .privacy-links {
  margin-top: clamp(34px, 4.6vw, 56px);
  padding-top: clamp(22px, 3.2vw, 34px);
  border-top: 1px solid var(--privacy-rule);
}

.page-privacy .privacy-links__title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-mid);
}

.page-privacy .privacy-links__list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-privacy .privacy-store__row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 1000px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 196px minmax(0, 1fr);
    gap: clamp(40px, 6vw, 88px);
    align-items: start;
  }

  .page-privacy .privacy-aside {
    position: sticky;
    top: 104px;
  }

  .page-privacy .privacy-rail {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .privacy-rail__item {
    width: 100%;
    padding: 7px 0 7px 14px;
  }

  .page-privacy .privacy-hero__figure img {
    aspect-ratio: 16 / 5;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail__item,
  .page-privacy .privacy-fold__summary,
  .page-privacy .privacy-hero .crumbs a {
    transition: none;
  }
}

@media print {
  .page-privacy .privacy-aside,
  .page-privacy .privacy-hero__figure {
    display: none;
  }

  .page-privacy .privacy-hero,
  .page-privacy .privacy-body {
    background: #fff;
    color: #000;
  }

  .page-privacy .privacy-hero__title,
  .page-privacy .privacy-sec__title,
  .page-privacy .privacy-sec p,
  .page-privacy .privacy-points li {
    color: #000;
  }

  .page-privacy .privacy-sec,
  .page-privacy .privacy-fold {
    break-inside: avoid;
  }
}