.page-privacy {
  --pp-measure: 40em;
  --pp-rail: 236px;
  background: var(--c-void);
  color: var(--c-ink);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  padding: clamp(40px, 8vw, 104px) 0 clamp(28px, 5vw, 56px);
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  top: -34%;
  right: -18%;
  width: 58vw;
  height: 58vw;
  max-width: 640px;
  max-height: 640px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(0, 240, 255, .16), rgba(0, 240, 255, 0) 68%);
  pointer-events: none;
  z-index: 0;
}

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

.page-privacy .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-muted);
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-privacy .breadcrumbs a {
  color: var(--c-muted);
  text-decoration: none;
  transition: color .2s var(--ease-out);
}

.page-privacy .breadcrumbs a:hover {
  color: var(--c-cyan);
}

.page-privacy .breadcrumbs span[aria-current="page"] {
  color: var(--c-ink);
}

.page-privacy .hero-kicker {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-privacy .hero-title {
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 8.2vw, 84px);
  line-height: 1.02;
  letter-spacing: -.035em;
  max-width: 15em;
}

.page-privacy .hero-lead {
  margin: 0 0 clamp(32px, 5vw, 52px);
  max-width: 36em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--c-muted);
}

.page-privacy .privacy-banner {
  position: relative;
  margin: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .55);
}

.page-privacy .privacy-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 7, 10, 0) 36%, rgba(5, 7, 10, .8) 100%);
  pointer-events: none;
}

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

/* ---------- 双栏骨架 ---------- */
.page-privacy .layout {
  display: grid;
  gap: clamp(28px, 5vw, 40px);
}

.page-privacy .toc-title {
  display: none;
}

.page-privacy .toc-list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 10px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .toc-list a {
  display: inline-block;
  white-space: nowrap;
  padding: 7px 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--c-muted);
  text-decoration: none;
  transition: color .2s var(--ease-out), border-color .2s var(--ease-out);
}

.page-privacy .toc-list a:hover,
.page-privacy .toc-list a:focus-visible {
  color: var(--c-cyan);
  border-color: var(--c-cyan);
}

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

/* ---------- 章节与纵向细线 ---------- */
.page-privacy .sec {
  position: relative;
  padding: 0 0 clamp(38px, 6vw, 60px) clamp(20px, 3vw, 32px);
  border-left: 1px solid var(--c-line);
  scroll-margin-top: 96px;
}

.page-privacy .sec::before {
  content: "";
  position: absolute;
  left: -5px;
  top: .62em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-void);
  border: 1px solid var(--c-cyan);
}

.page-privacy .sec:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.page-privacy .sec:last-child::before {
  background: var(--c-cyan);
  box-shadow: 0 0 0 4px rgba(0, 240, 255, .14);
}

.page-privacy .sec-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 2.8vw, 30px);
  line-height: 1.25;
  letter-spacing: -.018em;
  color: var(--c-ink);
}

.page-privacy .sec p {
  margin: 0 0 16px;
  font-size: clamp(15px, 1.55vw, 16.5px);
  line-height: 1.88;
  color: var(--c-ink);
  opacity: .86;
}

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

.page-privacy .sec a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 240, 255, .35);
  transition: border-color .2s var(--ease-out);
}

.page-privacy .sec a:hover {
  border-bottom-color: var(--c-cyan);
}

/* ---------- 列表 ---------- */
.page-privacy .pp-list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 13px;
  font-size: clamp(15px, 1.55vw, 16.5px);
  line-height: 1.85;
  color: var(--c-ink);
  opacity: .86;
}

.page-privacy .pp-list li:last-child {
  margin-bottom: 0;
}

.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .82em;
  width: 9px;
  height: 1px;
  background: var(--c-cyan);
}

.page-privacy .pp-list strong {
  font-weight: 700;
  color: var(--c-ink);
  opacity: 1;
}

.page-privacy .pp-list--tight li {
  margin-bottom: 9px;
  font-size: 15px;
}

/* ---------- 同步双栏 ---------- */
.page-privacy .sync-grid {
  display: grid;
  gap: 18px;
  margin: 0 0 22px;
}

.page-privacy .sync-col {
  padding: 18px 20px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
}

.page-privacy .sync-label {
  display: inline-block;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-privacy .sync-col .pp-list {
  margin-bottom: 0;
}

/* ---------- 信息块 ---------- */
.page-privacy .callout {
  margin: 0 0 20px;
  padding: 18px 20px;
  border-left: 2px solid var(--c-cyan);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: rgba(0, 240, 255, .045);
  font-size: clamp(14.5px, 1.5vw, 16px);
  line-height: 1.82;
  color: var(--c-ink);
  opacity: .92;
}

.page-privacy .callout--mail {
  border-left-color: var(--c-magenta);
  background: rgba(255, 46, 136, .055);
}

.page-privacy .pp-mono {
  font-family: var(--font-mono);
  font-size: .88em;
  letter-spacing: .04em;
  color: var(--c-cyan);
}

.page-privacy .callout--mail .pp-mono {
  color: var(--c-magenta);
  word-break: break-all;
}

/* ---------- 折叠说明 ---------- */
.page-privacy .pp-details {
  margin: 6px 0 20px;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}

.page-privacy .pp-details summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-ink);
  transition: color .2s var(--ease-out);
}

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

.page-privacy .pp-details summary::before {
  content: "+";
  flex: none;
  width: 18px;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--c-cyan);
  text-align: center;
}

.page-privacy .pp-details[open] summary::before {
  content: "–";
}

.page-privacy .pp-details summary:hover {
  color: var(--c-cyan);
}

.page-privacy .pp-details p {
  margin: 0 0 20px;
  padding-left: 30px;
  font-size: clamp(14.5px, 1.5vw, 16px);
  line-height: 1.85;
  color: var(--c-muted);
  opacity: 1;
}

/* ---------- 显现 ---------- */
.page-privacy [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .42s var(--ease-out), transform .42s var(--ease-out);
}

.page-privacy [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- 响应式 ---------- */
@media (max-width: 700px) {
  .page-privacy .privacy-banner img {
    aspect-ratio: 16 / 9;
  }

  .page-privacy .toc-list {
    margin: 0 -18px;
    padding-left: 18px;
    padding-right: 18px;
  }

  .page-privacy .sync-col {
    padding: 16px 16px;
  }
}

@media (min-width: 1024px) {
  .page-privacy .layout {
    grid-template-columns: minmax(0, 1fr) var(--pp-rail);
    gap: clamp(48px, 6vw, 80px);
    align-items: start;
  }

  .page-privacy .toc {
    grid-column: 2;
    position: sticky;
    top: 104px;
  }

  .page-privacy .article {
    grid-column: 1;
  }

  .page-privacy .toc-title {
    display: block;
    margin: 0 0 14px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .18em;
    color: var(--c-muted);
  }

  .page-privacy .toc-list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0;
    border-left: 1px solid var(--c-line);
  }

  .page-privacy .toc-list li {
    list-style: none;
  }

  .page-privacy .toc-list a {
    display: block;
    padding: 8px 0 8px 16px;
    margin-left: -1px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    white-space: normal;
    line-height: 1.5;
    font-size: 13px;
  }

  .page-privacy .toc-list a:hover,
  .page-privacy .toc-list a:focus-visible {
    border-left-color: var(--c-cyan);
  }

  .page-privacy .sync-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
}