/* ========== 数据与隐私页 · 页面专属样式 ========== */
.page-privacy {
  position: relative;
  background: var(--bg-ink);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-wrap: break-word;
  overflow-x: hidden;
}

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

.page-privacy::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(245, 185, 74, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 185, 74, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

/* ---------- 面包屑 ---------- */
.page-privacy .privacy-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  padding: 20px 0 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.page-privacy .privacy-breadcrumb a {
  color: var(--cyan-link);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

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

/* ---------- 页面头部 ---------- */
.page-privacy .privacy-page-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding: 28px 0 36px;
  border-bottom: 1px solid var(--line-divider);
  margin-bottom: 20px;
}

.page-privacy .privacy-head-copy .page-kicker {
  font-family: var(--font-data);
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-accent);
  margin: 0 0 14px;
}

.page-privacy .privacy-head-copy .page-title {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin: 0 0 16px;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.page-privacy .privacy-head-copy .page-lead {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 58ch;
  margin: 0;
}

.page-privacy .privacy-head-illustration {
  position: relative;
  margin: 0;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--panel-deep);
  border: 1px solid var(--line-divider);
}

.page-privacy .privacy-head-illustration::after {
  content: 'DATA LOCKED';
  position: absolute;
  top: 14px;
  right: 14px;
  font-family: var(--font-data);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--gold-accent);
  background: rgba(10, 20, 40, 0.78);
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(245, 185, 74, 0.35);
  pointer-events: none;
}

.page-privacy .privacy-head-img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 内容目录 ---------- */
.page-privacy .privacy-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 4px 0 8px;
}

.page-privacy .privacy-toc-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--panel-deep);
  border: 1px solid var(--line-divider);
  border-radius: var(--radius-pill);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.page-privacy .privacy-toc-item:hover {
  background: rgba(245, 185, 74, 0.1);
  border-color: var(--gold-accent);
  color: var(--gold-accent);
}

.page-privacy .privacy-toc-num {
  font-family: var(--font-data);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--gold-accent);
}

/* ---------- 章节通用 ---------- */
.page-privacy .privacy-section {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 8px 16px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line-divider);
  scroll-margin-top: 88px;
}

.page-privacy .privacy-section-label {
  display: none;
}

.page-privacy .privacy-section-num {
  font-family: var(--font-data);
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--gold-accent);
  letter-spacing: -0.04em;
}

/* ---------- 章节标题区 ---------- */
.page-privacy .privacy-section-header {
  margin-bottom: 4px;
}

.page-privacy .privacy-section-header .section-title {
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 800;
  line-height: 1.2;
  margin: 0 0 10px;
  color: var(--text-primary);
}

.page-privacy .privacy-section-header .section-desc {
  margin: 0 0 16px;
  color: var(--text-secondary);
  font-size: 0.96rem;
  max-width: 72ch;
}

/* ---------- 条款列表 ---------- */
.page-privacy .privacy-clause-list {
  border-top: 1px solid var(--line-divider);
}

.page-privacy .privacy-clause {
  border-bottom: 1px solid var(--line-divider);
}

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

/* ---------- 条款摘要 ---------- */
.page-privacy .privacy-clause-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 4px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--text-primary);
  transition: background var(--transition), color var(--transition);
}

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

.page-privacy .privacy-clause-summary:hover {
  color: var(--gold-accent);
}

.page-privacy .privacy-clause-summary::after {
  content: '+';
  margin-left: auto;
  font-family: var(--font-data);
  font-size: 1.3rem;
  line-height: 1;
  color: var(--gold-accent);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.page-privacy .privacy-clause[open] .privacy-clause-summary::after {
  content: '−';
  transform: rotate(180deg);
}

.page-privacy .privacy-clause-index {
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--gold-accent);
  border: 1px solid rgba(245, 185, 74, 0.45);
  border-radius: var(--radius-card);
  padding: 2px 8px;
  white-space: nowrap;
  flex-shrink: 0;
}

.page-privacy .privacy-clause-title {
  display: inline;
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
  color: inherit;
  line-height: inherit;
}

/* ---------- 条款内容 ---------- */
.page-privacy .privacy-clause-body {
  padding: 0 4px 18px 12px;
  color: var(--text-secondary);
  font-size: 0.93rem;
  line-height: 1.8;
  max-width: 78ch;
}

.page-privacy .privacy-clause-body > p {
  margin: 0 0 10px;
}

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

/* ---------- 数据列表 ---------- */
.page-privacy .privacy-data-list {
  list-style: none;
  margin: 14px 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-privacy .privacy-data-list li {
  position: relative;
  padding-left: 18px;
}

.page-privacy .privacy-data-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  background: var(--gold-accent);
  transform: rotate(45deg);
}

/* ---------- 高亮词与链接 ---------- */
.page-privacy .privacy-em {
  font-style: normal;
  font-weight: 600;
  color: var(--cyan-link);
}

.page-privacy .privacy-strong {
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-data);
  font-size: 0.9em;
}

.page-privacy .privacy-link {
  color: var(--cyan-link);
  text-decoration: none;
  border-bottom: 1px dashed rgba(90, 200, 250, 0.5);
  transition: color var(--transition), border-color var(--transition);
}

.page-privacy .privacy-link:hover {
  color: var(--gold-accent);
  border-bottom-color: var(--gold-accent);
  border-bottom-style: solid;
}

/* ---------- 备注条 ---------- */
.page-privacy .privacy-note {
  margin: 14px 0 0;
  padding: 12px 16px;
  border-left: 3px solid var(--chart-blue);
  background: rgba(61, 123, 255, 0.08);
  font-size: 0.88rem;
  color: var(--text-secondary);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
}

.page-privacy .privacy-em-note {
  margin: 12px 0 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ---------- 联系卡片 ---------- */
.page-privacy .privacy-contact-grid {
  display: grid;
  gap: 14px;
  margin: 20px 0;
}

.page-privacy .privacy-contact-card {
  position: relative;
  background: var(--panel-deep);
  border: 1px solid var(--line-divider);
  padding: 18px 18px 18px 22px;
  border-radius: var(--radius-card);
  overflow: hidden;
}

.page-privacy .privacy-contact-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gold-accent);
}

.page-privacy .privacy-contact-label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-family: var(--font-data);
}

.page-privacy .privacy-contact-value {
  display: block;
  font-family: var(--font-data);
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.6;
  word-break: break-all;
}

/* ---------- 联系方式辅助说明 ---------- */
.page-privacy .privacy-contact-tip,
.page-privacy .privacy-contact-more {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin: 8px 0 0;
  max-width: 72ch;
}

/* ---------- 底部信任声明 ---------- */
.page-privacy .privacy-trust {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 40px 0 64px;
  padding: 20px 22px;
  border: 1px dashed var(--line-divider);
  border-radius: var(--radius-card);
  color: var(--text-secondary);
  font-size: 0.9rem;
  background: rgba(18, 31, 54, 0.45);
}

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

.page-privacy .privacy-trust-mark {
  font-size: 1.3rem;
  color: var(--gold-accent);
  flex-shrink: 0;
}

/* ---------- 桌面端增强 ---------- */
@media (min-width: 900px) {
  .page-privacy .privacy-breadcrumb {
    padding-top: 28px;
  }

  .page-privacy .privacy-page-head {
    grid-template-columns: minmax(0, 1fr) 380px;
    gap: 48px;
    align-items: center;
    padding: 40px 0 56px;
  }

  .page-privacy .privacy-head-copy .page-title {
    font-size: clamp(2.6rem, 4.4vw, 4.4rem);
  }

  .page-privacy .privacy-head-copy .page-lead {
    font-size: 1.08rem;
  }

  .page-privacy .privacy-toc {
    gap: 12px;
    margin: 8px 0 0;
  }

  .page-privacy .privacy-section {
    grid-template-columns: 180px 1fr;
    gap: 24px 56px;
    padding: 56px 0;
  }

  .page-privacy .privacy-section-index {
    position: sticky;
    top: 100px;
    align-self: start;
  }

  .page-privacy .privacy-section-num {
    font-size: 3.6rem;
  }

  .page-privacy .privacy-section-label {
    display: block;
    margin-top: 10px;
    font-family: var(--font-data);
    font-size: 0.8rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-secondary);
    line-height: 1.6;
  }

  .page-privacy .privacy-clause-summary {
    padding: 20px 8px;
    font-size: 1.05rem;
  }

  .page-privacy .privacy-clause-body {
    padding: 0 8px 24px 14px;
    font-size: 0.95rem;
  }

  .page-privacy .privacy-contact-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .page-privacy .privacy-contact-card {
    padding: 22px 20px 22px 24px;
  }

  .page-privacy .privacy-trust {
    margin-top: 56px;
    padding: 24px 28px;
  }
}