/* ===== 隐私政策页 · 技术白皮书布局 ===== */
.page-privacy {
  --privacy-bg-dot: rgba(245, 247, 250, 0.028);
  --privacy-panel: rgba(255, 255, 255, 0.03);
  background-color: var(--navy-900);
  background-image: radial-gradient(var(--privacy-bg-dot) 1px, transparent 1px);
  background-size: 24px 24px;
  min-height: 100vh;
}

/* 页眉区域 */
.page-privacy .privacy-hero {
  position: relative;
  padding: 56px 0 48px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -80px;
  width: 320px;
  height: 320px;
  background: linear-gradient(135deg, transparent 40%, rgba(0, 230, 138, 0.035) 40%, rgba(0, 230, 138, 0.06) 60%, transparent 60%);
  transform: rotate(-12deg);
  pointer-events: none;
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 32px;
}

.page-privacy .privacy-hero__content {
  min-width: 0;
}

.page-privacy .privacy-hero__breadcrumb {
  margin-bottom: 20px;
}

.page-privacy .privacy-hero__eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--accent);
  border: 1px solid var(--line-accent);
  background: var(--accent-soft);
  padding: 6px 12px;
  margin: 0 0 18px;
  text-transform: uppercase;
}

.page-privacy .privacy-hero h1 {
  font-size: clamp(36px, 7vw, 60px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 0 0 16px;
  color: var(--text-main);
}

.page-privacy .privacy-hero__intro {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 0 24px;
}

.page-privacy .privacy-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-privacy .privacy-hero__meta-item {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  border: 1px solid var(--line);
  padding: 6px 10px;
  border-radius: 2px;
}

.page-privacy .privacy-hero__visual {
  max-width: 400px;
  width: 100%;
}

.page-privacy .privacy-hero__img-frame {
  position: relative;
  display: block;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  transform: rotate(-1.5deg);
  box-shadow: 16px 16px 0 rgba(0, 0, 0, 0.22);
  background: var(--navy-700);
}

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

.page-privacy .privacy-hero__caption {
  display: inline-block;
  margin-top: 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--text-faint);
  text-transform: uppercase;
}

/* 双栏主体 */
.page-privacy .privacy-layout {
  display: grid;
  gap: 40px;
  margin-top: 48px;
  margin-bottom: 72px;
}

/* 目录侧边栏 */
.page-privacy .privacy-toc {
  align-self: flex-start;
  border: 1px solid var(--line);
  background: var(--privacy-panel);
  padding: 20px;
}

.page-privacy .privacy-toc__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--text-faint);
  text-transform: uppercase;
  margin: 0 0 16px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

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

.page-privacy .privacy-toc__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
}

.page-privacy .privacy-toc__item:last-child {
  border-bottom: none;
}

.page-privacy .privacy-toc__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
}

.page-privacy .privacy-toc__link {
  color: var(--text-main);
  font-size: 14px;
  transition: color 0.2s var(--ease);
}

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

.page-privacy .privacy-toc__hint {
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--text-faint);
  text-transform: uppercase;
  margin: 14px 0 0;
}

/* 正文章节 */
.page-privacy .privacy-body {
  min-width: 0;
}

.page-privacy .privacy-section {
  border-left: 3px solid var(--accent);
  padding-left: 20px;
  margin-bottom: 48px;
}

.page-privacy .privacy-section__head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 16px;
}

.page-privacy .privacy-section__head::after {
  content: "";
  display: block;
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--line-strong), transparent);
}

.page-privacy .privacy-section__idx {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.page-privacy .privacy-section h2 {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.01em;
  margin: 0;
  line-height: 1.3;
  color: var(--text-main);
}

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

.page-privacy .privacy-section__body p {
  margin: 0 0 16px;
}

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

.page-privacy .privacy-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
}

.page-privacy .privacy-list__item {
  position: relative;
  padding-left: 20px;
  padding-bottom: 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-privacy .privacy-list__item:last-child {
  padding-bottom: 0;
}

.page-privacy .privacy-list__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  background: var(--accent);
  opacity: 0.7;
  transform: rotate(45deg);
}

.page-privacy .privacy-list__item strong {
  color: var(--text-main);
  font-weight: 700;
}

.page-privacy .privacy-mark {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 2px;
}

.page-privacy .privacy-note {
  margin-top: 20px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--data);
  background: var(--privacy-panel);
  padding: 16px;
}

.page-privacy .privacy-note__label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--data);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.page-privacy .privacy-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
}

.page-privacy .privacy-disclaimer {
  margin-top: 18px;
  padding: 14px 16px;
  border: 1px dashed var(--line-strong);
  background: rgba(59, 130, 246, 0.05);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-privacy .privacy-contact {
  display: grid;
  gap: 12px;
  margin-top: 20px;
  padding: 20px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(135deg, var(--navy-700), var(--navy-900));
}

.page-privacy .privacy-contact__row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: 14px;
  align-items: baseline;
}

.page-privacy .privacy-contact__label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  min-width: 80px;
}

.page-privacy .privacy-contact__value {
  color: var(--text-main);
}

.page-privacy .privacy-contact__link {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--line-accent);
  transition: border-color 0.2s var(--ease);
}

.page-privacy .privacy-contact__link:hover {
  border-bottom-color: var(--accent);
}

.page-privacy .privacy-contact__sep {
  color: var(--text-faint);
  margin: 0 6px;
}

.page-privacy .privacy-footnote {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-faint);
}

.page-privacy .privacy-footnote p {
  margin: 0;
}

/* 桌面响应式 */
@media (min-width: 992px) {
  .page-privacy .privacy-hero {
    padding: 72px 0 56px;
  }

  .page-privacy .privacy-hero__inner {
    grid-template-columns: 1.25fr 0.75fr;
    align-items: center;
    gap: 48px;
  }

  .page-privacy .privacy-hero__visual {
    margin-left: auto;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 56px;
    margin-top: 56px;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--header-h) + 32px);
  }

  .page-privacy .privacy-section {
    padding-left: 28px;
    margin-bottom: 56px;
  }

  .page-privacy .privacy-section h2 {
    font-size: 26px;
  }

  .page-privacy .privacy-section__body {
    font-size: 16px;
  }

  .page-privacy .privacy-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}