/* ===== 数据与隐私页 · page-privacy 专属样式 ===== */
.page-privacy {
  position: relative;
  background:
    radial-gradient(circle at 12% 18%, rgba(0, 230, 118, 0.08) 0%, transparent 240px),
    radial-gradient(circle at 88% 6%, rgba(255, 193, 7, 0.06) 0%, transparent 200px),
    linear-gradient(180deg, var(--color-surface-alt) 0%, var(--color-surface) 420px);
  overflow-x: hidden;
  scroll-behavior: smooth;
}

.page-privacy::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 860px;
  z-index: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    110deg,
    rgba(10, 31, 68, 0.03) 0px,
    rgba(10, 31, 68, 0.03) 1px,
    transparent 1px,
    transparent 22px
  );
}

.page-privacy__hero,
.page-privacy__layout {
  position: relative;
  z-index: 1;
}

.page-privacy__hero {
  padding-top: 24px;
  padding-bottom: 36px;
}

.page-privacy__hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
  margin-top: 32px;
}

.page-privacy__title {
  font-family: var(--font-display);
  font-size: clamp(36px, 7vw, 56px);
  line-height: 1.05;
  letter-spacing: 1px;
  color: var(--color-primary);
  margin: 16px 0 8px;
  text-transform: uppercase;
}

.page-privacy__subtitle {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding-bottom: 10px;
  margin-bottom: 16px;
  border-bottom: 3px solid var(--color-secondary);
}

.page-privacy__lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text-muted);
  max-width: 56ch;
  margin: 0;
}

.page-privacy__hero-image {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(10, 31, 68, 0.14);
  transform: rotate(1deg);
}

.page-privacy__hero-image img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 主内容双栏 */
.page-privacy__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  padding-bottom: 64px;
}

/* 目录 */
.page-privacy__toc {
  padding: 22px;
  border: 1px solid rgba(10, 31, 68, 0.06);
  border-radius: var(--radius-lg);
}

.page-privacy__toc .toc__link {
  border-bottom: 1px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.page-privacy__toc .toc__link:hover {
  color: var(--color-primary);
  border-color: var(--color-secondary);
}

.page-privacy__toc-note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--color-text-muted);
}

.page-privacy__content {
  min-width: 0;
}

/* 章节 */
.page-privacy__section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px 32px;
  margin-bottom: 24px;
  box-shadow: 0 4px 16px rgba(10, 31, 68, 0.04);
  scroll-margin-top: 24px;
}

.page-privacy__section .section-head {
  margin-bottom: 18px;
}

.page-privacy__section .section-head__title {
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.page-privacy__section .section-head__title:hover {
  color: var(--color-secondary);
  border-color: var(--color-secondary);
}

.page-privacy__section p {
  line-height: 1.85;
  color: var(--color-text);
  margin: 0 0 16px;
}

/* 数据收集卡片 */
.page-privacy__card-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 20px 0 16px;
}

.page-privacy__card {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius);
  padding: 18px 20px;
  transition: box-shadow var(--transition), transform var(--transition);
}

.page-privacy__card:hover {
  box-shadow: 0 10px 24px rgba(10, 31, 68, 0.08);
  transform: translateY(-2px);
}

.page-privacy__card h3 {
  font-size: 18px;
  color: var(--color-primary);
  margin: 0 0 8px;
}

.page-privacy__card p {
  margin: 0;
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.page-privacy__note {
  margin-top: 8px;
}

.page-privacy__note-title {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--color-accent);
}

/* 编号列表 */
.page-privacy__usage-list,
.page-privacy__updates-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  counter-reset: privacy-counter;
}

.page-privacy__usage-list li,
.page-privacy__updates-list li {
  position: relative;
  padding: 16px 0 16px 48px;
  border-bottom: 1px solid var(--color-border);
  counter-increment: privacy-counter;
}

.page-privacy__usage-list li::before,
.page-privacy__updates-list li::before {
  content: counter(privacy-counter, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 16px;
  min-width: 30px;
  text-align: center;
  padding: 3px 6px;
  border-radius: 6px;
  background: rgba(0, 230, 118, 0.12);
  color: var(--color-secondary);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

.page-privacy__usage-list strong,
.page-privacy__updates-list strong {
  color: var(--color-primary);
}

.page-privacy__usage-list p,
.page-privacy__updates-list p {
  margin: 4px 0 0;
  font-size: 14px;
  color: var(--color-text-muted);
}

.page-privacy__stat-line {
  margin: 0;
  padding: 18px 20px;
  background: var(--color-primary);
  border-radius: var(--radius);
  color: var(--color-surface);
  line-height: 1.8;
  font-size: 14px;
}

.page-privacy__stat-line .data-number {
  color: var(--color-secondary);
  font-size: 24px;
}

/* 数据分享列表 */
.page-privacy__share-list {
  list-style: none;
  margin: 20px 0;
  padding: 0;
}

.page-privacy__share-list li {
  border-left: 3px solid var(--color-accent);
  padding: 6px 0 6px 20px;
  margin-bottom: 16px;
}

.page-privacy__share-list strong {
  display: inline-block;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.page-privacy__share-list p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 14px;
  line-height: 1.7;
}

/* 用户权利 */
.page-privacy__rights-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 20px 0;
}

.page-privacy__rights-grid > div {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.page-privacy__rights-grid > div:hover {
  background: var(--color-surface);
  border-color: var(--color-secondary);
}

.page-privacy__rights-grid h3 {
  margin: 0 0 6px;
  font-size: 17px;
  color: var(--color-primary);
}

.page-privacy__rights-grid p {
  margin: 0;
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.page-privacy__contact {
  padding: 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.page-privacy__contact-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 8px;
  color: var(--color-secondary);
}

/* 底部信任区 */
.page-privacy__closing {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-privacy__promise {
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  color: var(--color-surface);
}

.page-privacy__promise .status-dot {
  margin-right: 8px;
  vertical-align: middle;
}

.page-privacy__promise h2 {
  display: inline-block;
  color: var(--color-surface);
  margin: 0 0 12px;
  font-size: 22px;
}

.page-privacy__promise p {
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.8;
  margin: 0;
  font-size: 14px;
}

.page-privacy__related {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
}

.page-privacy__related h2 {
  color: var(--color-primary);
  font-size: 22px;
  margin: 0 0 8px;
}

.page-privacy__related p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin: 0 0 16px;
}

@media (min-width: 768px) {
  .page-privacy__hero-grid {
    grid-template-columns: 5fr 4fr;
  }

  .page-privacy__section {
    padding: 32px 32px 36px;
  }

  .page-privacy__rights-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 992px) {
  .page-privacy__layout {
    grid-template-columns: minmax(0, 1fr) 300px;
  }

  .page-privacy__content {
    grid-column: 1;
    grid-row: 1;
  }

  .page-privacy__toc {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 24px;
  }

  .page-privacy__card-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-privacy__closing {
    grid-template-columns: 3fr 2fr;
  }
}