/* ===== AIFA Data Arena — 隐私政策页面专属样式 ===== */
.page-privacy {
  background: var(--color-primary);
  color: var(--color-text);
  scroll-behavior: smooth;
}

.page-privacy .breadcrumb {
  padding-top: 24px;
}

.page-privacy .breadcrumb a {
  color: var(--color-text-secondary);
  text-underline-offset: 4px;
}

.page-privacy .breadcrumb a:hover {
  color: var(--color-accent);
}

.page-privacy .privacy-hero {
  display: grid;
  gap: 28px;
  padding-top: 40px;
  padding-bottom: 32px;
  position: relative;
}

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

.page-privacy .privacy-hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 6px 14px;
  border: 1px solid rgba(0, 255, 179, 0.4);
  border-radius: var(--radius-pill);
  background: rgba(0, 255, 179, 0.08);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.page-privacy .privacy-hero h1 {
  margin: 20px 0 0;
  font-family: var(--font-headline);
  font-size: 2.125rem;
  line-height: 1.12;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-text);
  max-width: 720px;
}

.page-privacy .privacy-hero__brand {
  color: var(--color-accent);
}

.page-privacy .privacy-hero__lead {
  margin: 20px 0 0;
  max-width: 640px;
  color: var(--color-text-secondary);
  font-size: 1rem;
  line-height: 1.75;
}

.page-privacy .privacy-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 24px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.page-privacy .privacy-hero__meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-privacy .privacy-hero__meta span::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--color-accent-alt);
  border-radius: 1px;
  transform: rotate(45deg);
}

.page-privacy .privacy-hero__image {
  position: relative;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(180, 77, 255, 0.35);
  box-shadow: var(--shadow);
}

.page-privacy .privacy-hero__image::before {
  content: "";
  position: absolute;
  z-index: 2;
  left: -8px;
  top: -8px;
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-accent);
  border-radius: 50%;
  background: var(--color-primary);
}

.page-privacy .privacy-hero__image::after {
  content: "";
  position: absolute;
  z-index: 2;
  right: -10px;
  bottom: -10px;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-alt));
  border-radius: 14px;
  opacity: 0.2;
}

.page-privacy .privacy-hero__image img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-privacy .privacy-summary {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  margin-bottom: 32px;
  background: linear-gradient(135deg, rgba(180, 77, 255, 0.12), rgba(0, 255, 179, 0.06));
  border: 1px solid rgba(180, 77, 255, 0.25);
  border-radius: var(--radius);
}

.page-privacy .privacy-summary__label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  text-transform: uppercase;
  padding-top: 2px;
}

.page-privacy .privacy-summary p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.page-privacy .privacy-layout {
  display: grid;
  gap: 24px;
  padding-bottom: 64px;
}

.page-privacy .privacy-content {
  display: grid;
  gap: 24px;
  min-width: 0;
}

.page-privacy .privacy-toc {
  background: var(--color-primary-alt);
  border: 1px solid rgba(168, 184, 216, 0.12);
  border-radius: var(--radius);
  padding: 16px;
}

.page-privacy .privacy-toc__title {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.page-privacy .privacy-toc__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}

.page-privacy .privacy-toc__list::-webkit-scrollbar {
  display: none;
}

.page-privacy .privacy-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  padding: 8px 14px;
  border: 1px solid rgba(168, 184, 216, 0.2);
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: var(--color-text);
  font-size: 0.875rem;
  text-decoration: none;
  transition: border-color var(--transition), background-color var(--transition), color var(--transition);
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  border-color: var(--color-accent);
  background: rgba(0, 255, 179, 0.08);
  color: var(--color-accent);
}

.page-privacy .privacy-toc__num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-accent);
}

.page-privacy .privacy-toc__label {
  white-space: nowrap;
}

.page-privacy .privacy-section {
  position: relative;
  padding: 28px 24px 24px;
  border: 1px solid rgba(168, 184, 216, 0.12);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(18, 42, 84, 0.88), rgba(10, 30, 61, 0.5));
  overflow: hidden;
  scroll-margin-top: 96px;
}

.page-privacy .privacy-section::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--color-accent), var(--color-accent-alt));
  opacity: 0.65;
}

.page-privacy .privacy-section__index {
  position: absolute;
  right: 14px;
  top: 8px;
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  color: rgba(0, 255, 179, 0.1);
  pointer-events: none;
}

.page-privacy .privacy-section h2 {
  margin: 8px 0 0;
  font-family: var(--font-headline);
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text);
}

.page-privacy .privacy-section__intro {
  margin: 16px 0 0;
  color: var(--color-text);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.page-privacy .privacy-section__list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-privacy .privacy-section__list li {
  position: relative;
  padding-left: 20px;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  line-height: 1.7;
}

.page-privacy .privacy-section__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.55em;
  width: 7px;
  height: 7px;
  transform: rotate(45deg);
  border-radius: 1px;
  background: var(--color-accent);
}

.page-privacy .privacy-section__steps {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: privacy-step;
  display: grid;
  gap: 12px;
}

.page-privacy .privacy-section__steps li {
  position: relative;
  counter-increment: privacy-step;
  padding-left: 38px;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  line-height: 1.7;
}

.page-privacy .privacy-section__steps li::before {
  content: counter(privacy-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid rgba(0, 255, 179, 0.4);
  background: rgba(0, 255, 179, 0.1);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
}

.page-privacy .privacy-note {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px dashed rgba(180, 77, 255, 0.35);
}

.page-privacy .privacy-note summary {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--color-accent-alt);
}

.page-privacy .privacy-note summary::before {
  content: "+";
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 0.75rem;
  line-height: 1;
}

.page-privacy .privacy-note[open] summary::before {
  content: "\2212";
}

.page-privacy .privacy-note p {
  margin: 12px 0 0;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  line-height: 1.7;
}

.page-privacy .privacy-section--contact {
  border-color: rgba(0, 255, 179, 0.3);
  background: linear-gradient(145deg, rgba(18, 42, 84, 0.95), rgba(10, 30, 61, 0.65));
}

.page-privacy .privacy-contact-grid {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
}

.page-privacy .privacy-contact-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: rgba(10, 30, 61, 0.55);
  border: 1px solid rgba(168, 184, 216, 0.15);
  border-radius: var(--radius-sm);
}

.page-privacy .privacy-contact-card dt {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.page-privacy .privacy-contact-card dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  color: var(--color-text);
  overflow-wrap: anywhere;
}

.page-privacy .privacy-contact__note {
  margin: 16px 0 0;
  padding: 12px 16px;
  border-left: 3px solid var(--color-warning);
  background: rgba(255, 209, 102, 0.08);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  line-height: 1.7;
}

.page-privacy .privacy-contact__note a {
  color: var(--color-accent);
  text-underline-offset: 4px;
}

.page-privacy .privacy-caveat {
  margin: 8px 0 0;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-alt);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.7;
  border: 1px solid rgba(168, 184, 216, 0.12);
}

@media (min-width: 960px) {
  .page-privacy .privacy-hero {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 48px;
    padding-top: 56px;
    padding-bottom: 48px;
    align-items: center;
  }

  .page-privacy .privacy-hero h1 {
    font-size: 2.625rem;
  }

  .page-privacy .privacy-hero__image {
    margin-top: 40px;
    transform: rotate(1.2deg);
  }

  .page-privacy .privacy-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 96px;
    margin-bottom: 0;
    padding: 20px;
  }

  .page-privacy .privacy-toc__list {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .privacy-toc__link {
    display: flex;
    width: 100%;
    border: 0;
    background: transparent;
    border-radius: var(--radius-sm);
    padding: 10px 12px;
  }

  .page-privacy .privacy-toc__link:hover,
  .page-privacy .privacy-toc__link:focus-visible {
    background: rgba(0, 255, 179, 0.08);
    border: 0;
  }

  .page-privacy .privacy-contact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .privacy-summary {
    padding: 24px 28px;
  }
}