.page-privacy {
  --privacy-measure: 36em;
  --privacy-rail-w: 200px;
  background: var(--bg);
  color: var(--ink);
}

/* ---------- 首屏框景 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(40px, 8vw, 92px) clamp(32px, 6vw, 64px);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.page-privacy .privacy-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(5, 11, 31, 0.6) 0%, rgba(5, 11, 31, 0.88) 62%, var(--bg) 100%);
}

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

.page-privacy .privacy-hero .breadcrumb {
  margin-bottom: 22px;
}

.page-privacy .privacy-hero .eyebrow {
  color: var(--cyan);
}

.page-privacy .privacy-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 7.2vw, 68px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 14px 0 0;
  max-width: 20ch;
}

.page-privacy .privacy-hero__lead {
  max-width: var(--privacy-measure);
  margin: 20px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-privacy .privacy-hero__meta {
  list-style: none;
  margin: 30px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 6px 26px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

/* ---------- 顶部结构折叠 ---------- */
.page-privacy .privacy-browse {
  background: var(--bg-alt);
  padding-block: clamp(28px, 4.5vw, 48px);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-browse__title {
  margin: 0 0 20px;
  font-size: clamp(19px, 2.4vw, 26px);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-privacy .privacy-browse .accordion__trigger {
  display: flex;
  align-items: baseline;
  gap: 14px;
  width: 100%;
  padding: 14px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--ink);
  font: inherit;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease);
}

.page-privacy .privacy-browse .accordion__trigger:hover {
  border-color: var(--cyan-dim);
}

.page-privacy .privacy-browse .accordion__trigger:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-privacy .privacy-browse .accordion__panel {
  border: 1px solid var(--line);
  border-top: 0;
  background: var(--bg);
  padding: 16px;
}

.page-privacy .privacy-browse .accordion__panel p {
  margin: 0 0 12px;
  max-width: var(--privacy-measure);
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-privacy .privacy-browse .accordion__item + .accordion__item {
  margin-top: 8px;
}

.page-privacy .privacy-browse__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
  flex: none;
}

.page-privacy .privacy-browse__label {
  flex: 1 1 auto;
}

.page-privacy .privacy-browse__jump {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-dim);
  padding-bottom: 2px;
}

.page-privacy .privacy-browse__jump:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 长文主体与锚点刻度 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  padding-block: clamp(28px, 5vw, 64px);
}

.page-privacy .privacy-rail {
  order: -1;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.page-privacy .privacy-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-privacy .privacy-rail__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 18px;
  overflow-x: auto;
}

.page-privacy .privacy-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
  padding-bottom: 6px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .privacy-rail__link:hover,
.page-privacy .privacy-rail__link:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--cyan);
  outline: none;
}

.page-privacy .privacy-rail__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan-dim);
}

.page-privacy .privacy-block {
  padding-block: clamp(28px, 4.5vw, 52px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
}

.page-privacy .privacy-block__head {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 3vw, 28px);
  margin-bottom: 20px;
}

.page-privacy .privacy-block__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(30px, 4.6vw, 54px);
  line-height: 1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-privacy .privacy-block__title {
  margin: 0;
  font-size: clamp(20px, 2.5vw, 30px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

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

.page-privacy .privacy-prose p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.8;
}

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

.page-privacy .privacy-prose a {
  color: var(--cyan);
}

.page-privacy .privacy-def {
  max-width: var(--privacy-measure);
  margin: 0 0 18px;
  padding: 2px 0 2px clamp(12px, 2vw, 20px);
  border-left: 2px solid var(--cyan);
}

.page-privacy .privacy-def--amber {
  border-left-color: var(--amber);
}

.page-privacy .privacy-def__term {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
}

.page-privacy .privacy-def__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-privacy .privacy-def__text .mono {
  color: var(--ink);
}

.page-privacy .privacy-facts {
  list-style: none;
  max-width: 40em;
  margin: 0 0 22px;
  padding: 0;
  border: 1px solid var(--line);
}

.page-privacy .privacy-fact {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 20px;
  padding: 11px 14px;
  background: var(--panel);
}

.page-privacy .privacy-fact + .privacy-fact {
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-fact__key {
  font-size: 14px;
  color: var(--muted);
}

.page-privacy .privacy-fact__val {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-privacy .privacy-fact__val--amber {
  color: var(--amber);
}

/* ---------- 后续入口 ---------- */
.page-privacy .privacy-related {
  margin-top: clamp(28px, 5vw, 64px);
  padding-block: clamp(32px, 5vw, 60px);
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-related__title {
  margin: 0 0 22px;
  font-size: clamp(19px, 2.4vw, 26px);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-privacy .privacy-related__grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-privacy .privacy-related__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  background: var(--panel);
}

.page-privacy .privacy-related__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan-dim);
  letter-spacing: 0.14em;
}

.page-privacy .privacy-related__name {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
}

.page-privacy .privacy-related__text {
  margin: 0;
  flex: 1 1 auto;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-privacy .privacy-related__link {
  font-size: 14px;
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-dim);
  align-self: flex-start;
  padding-bottom: 2px;
}

.page-privacy .privacy-related__link:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-privacy .privacy-footnote {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 24px;
  margin: 0;
  padding-block: 24px 44px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-privacy .privacy-related__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr) var(--privacy-rail-w);
    align-items: start;
  }

  .page-privacy .privacy-rail {
    order: 0;
    position: sticky;
    top: 96px;
    border-top: 0;
    padding-top: 0;
  }

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

  .page-privacy .privacy-rail__link {
    display: flex;
    width: 100%;
    padding: 9px 0 9px 14px;
    border-bottom: 0;
    border-left: 2px solid var(--line);
  }

  .page-privacy .privacy-rail__link:hover,
  .page-privacy .privacy-rail__link:focus-visible {
    border-left-color: var(--cyan);
    border-bottom-color: transparent;
  }

  .page-privacy .privacy-related__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-browse .accordion__trigger,
  .page-privacy .privacy-rail__link {
    transition: none;
  }
}