/* ===== 数据与隐私页专属样式 ===== */
.page-privacy {
  --privacy-toc-w: 240px;
  --privacy-gap: 40px;
  display: block;
  width: 100%;
  max-width: var(--max-w, 1280px);
  margin: 0 auto;
  padding: calc(var(--header-h, 62px) + 24px) var(--gap, 24px) 60px;
  color: var(--text-primary, #fff);
  font-family: var(--font-body, Georgia, 'Times New Roman', serif);
  line-height: 1.7;
}

/* 面包屑 */
.page-privacy .privacy-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading, system-ui, sans-serif);
  font-size: 0.8rem;
  color: var(--text-secondary, #b0bec5);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.page-privacy .privacy-breadcrumb a {
  color: var(--brand, #00c4b4);
  text-decoration: none;
  transition: opacity 0.2s;
}

.page-privacy .privacy-breadcrumb a:hover {
  opacity: 0.75;
}

.page-privacy .breadcrumb-sep {
  color: var(--text-secondary, #b0bec5);
  opacity: 0.5;
}

/* 顶部英雄区 */
.page-privacy .privacy-hero {
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--glass-border, rgba(255,255,255,0.12));
}

.page-privacy .privacy-hero-body {
  display: flex;
  align-items: flex-start;
  gap: 24px;
}

.page-privacy .hero-lock {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  object-fit: contain;
  background: var(--glass, rgba(255,255,255,0.08));
  border-radius: 12px;
  padding: 12px;
  backdrop-filter: blur(4px);
  border: 1px solid var(--glass-border, rgba(255,255,255,0.12));
}

.page-privacy .hero-text {
  flex: 1;
  min-width: 0;
}

.page-privacy .hero-text h1 {
  font-family: var(--font-heading, system-ui, sans-serif);
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  font-weight: 700;
  margin: 0 0 8px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text-primary, #fff);
}

.page-privacy .hero-summary {
  font-size: clamp(0.95rem, 1.4vw, 1.15rem);
  color: var(--text-secondary, #b0bec5);
  margin: 0;
  max-width: 600px;
}

/* 左右分屏布局 */
.page-privacy .privacy-layout {
  display: flex;
  flex-direction: column;
  gap: var(--privacy-gap, 40px);
}

/* 目录（移动端横向排列） */
.page-privacy .privacy-toc {
  background: var(--glass, rgba(255,255,255,0.08));
  backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border, rgba(255,255,255,0.12));
  border-radius: 12px;
  padding: 16px 20px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .toc-label {
  font-family: var(--font-heading, system-ui, sans-serif);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand, #00c4b4);
  margin: 0 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--glass-border, rgba(255,255,255,0.12));
}

.page-privacy .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 4px;
  flex-wrap: nowrap;
  white-space: nowrap;
}

.page-privacy .toc-list li {
  margin: 0;
}

.page-privacy .toc-list a {
  display: block;
  padding: 6px 14px;
  font-family: var(--font-heading, system-ui, sans-serif);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary, #b0bec5);
  text-decoration: none;
  border-radius: 20px;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  background: transparent;
}

.page-privacy .toc-list a:hover,
.page-privacy .toc-list a:focus {
  color: var(--brand, #00c4b4);
  border-color: var(--brand, #00c4b4);
  background: rgba(0, 196, 180, 0.06);
}

/* 内容章节 */
.page-privacy .privacy-sections {
  flex: 1;
  min-width: 0;
}

.page-privacy .privacy-chapter {
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--glass-border, rgba(255,255,255,0.08));
}

.page-privacy .privacy-chapter:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
}

.page-privacy .privacy-chapter h2 {
  font-family: var(--font-heading, system-ui, sans-serif);
  font-size: clamp(1.2rem, 2.5vw, 1.75rem);
  font-weight: 700;
  margin: 0 0 16px;
  padding-bottom: 8px;
  border-bottom: 3px solid var(--brand, #00c4b4);
  display: inline-block;
  color: var(--text-primary, #fff);
  line-height: 1.3;
}

.page-privacy .privacy-chapter p {
  margin: 0 0 14px;
  font-size: 0.95rem;
  color: var(--text-secondary, #b0bec5);
}

.page-privacy .privacy-chapter p strong {
  color: var(--text-primary, #fff);
  font-weight: 600;
}

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

.page-privacy .privacy-list li {
  position: relative;
  padding: 6px 0 6px 20px;
  font-size: 0.92rem;
  color: var(--text-secondary, #b0bec5);
  line-height: 1.6;
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand, #00c4b4);
  opacity: 0.5;
}

.page-privacy .privacy-list li strong {
  color: var(--text-primary, #fff);
  font-weight: 600;
}

/* 数据流向图 */
.page-privacy .privacy-figure {
  margin: 24px 0 8px;
  padding: 16px;
  background: var(--glass, rgba(255,255,255,0.06));
  border-radius: 12px;
  border: 1px solid var(--glass-border, rgba(255,255,255,0.08));
  display: flex;
  justify-content: center;
}

.page-privacy .flow-diagram {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  object-fit: contain;
  background: rgba(0, 0, 0, 0.2);
}

/* 联系卡片 */
.page-privacy .privacy-contact-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--glass, rgba(255,255,255,0.08));
  border-radius: 10px;
  border: 1px solid var(--glass-border, rgba(255,255,255,0.12));
  margin-bottom: 16px;
  max-width: 420px;
}

.page-privacy .contact-label {
  font-family: var(--font-heading, system-ui, sans-serif);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--brand, #00c4b4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.page-privacy .contact-value {
  font-family: var(--font-data, 'Courier New', monospace);
  font-size: 0.9rem;
  color: var(--text-primary, #fff);
  text-decoration: none;
  word-break: break-all;
  transition: color 0.2s;
}

.page-privacy .contact-value:hover {
  color: var(--brand, #00c4b4);
}

.page-privacy .contact-note {
  font-size: 0.85rem;
  color: var(--text-secondary, #b0bec5);
  margin-top: 8px;
}

.page-privacy .contact-note a {
  color: var(--brand, #00c4b4);
  text-decoration: none;
}

.page-privacy .contact-note a:hover {
  text-decoration: underline;
}

.page-privacy .related-links {
  margin-top: 20px;
  font-size: 0.85rem;
  color: var(--text-secondary, #b0bec5);
}

.page-privacy .related-links a {
  color: var(--brand, #00c4b4);
  text-decoration: none;
  transition: opacity 0.2s;
}

.page-privacy .related-links a:hover {
  opacity: 0.75;
}

/* ===== 桌面端 ≥768px ===== */
@media (min-width: 768px) {
  .page-privacy {
    padding-left: calc(var(--gap, 24px) + 16px);
    padding-right: calc(var(--gap, 24px) + 16px);
  }

  .page-privacy .privacy-hero-body {
    gap: 32px;
  }

  .page-privacy .hero-lock {
    width: 100px;
    height: 100px;
    padding: 16px;
  }

  .page-privacy .privacy-layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 48px;
  }

  /* 左侧固定目录 */
  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--header-h, 62px) + 24px);
    flex-shrink: 0;
    width: var(--privacy-toc-w, 240px);
    padding: 20px 16px;
    overflow: visible;
    white-space: normal;
    align-self: flex-start;
  }

  .page-privacy .toc-list {
    flex-direction: column;
    gap: 2px;
    white-space: normal;
  }

  .page-privacy .toc-list a {
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.88rem;
    border: 1px solid transparent;
    background: transparent;
  }

  .page-privacy .toc-list a:hover,
  .page-privacy .toc-list a:focus {
    border-color: var(--brand, #00c4b4);
    background: rgba(0, 196, 180, 0.08);
  }

  .page-privacy .privacy-sections {
    flex: 1;
    max-width: 720px;
  }

  .page-privacy .privacy-chapter h2 {
    font-size: 1.6rem;
  }

  .page-privacy .privacy-chapter p {
    font-size: 1rem;
  }

  .page-privacy .privacy-list li {
    font-size: 0.96rem;
  }

  .page-privacy .flow-diagram {
    width: 400px;
  }
}

/* ===== 大桌面端 ≥1024px ===== */
@media (min-width: 1024px) {
  .page-privacy {
    padding-left: 40px;
    padding-right: 40px;
  }

  .page-privacy .privacy-layout {
    gap: 64px;
  }

  .page-privacy .privacy-toc {
    width: 260px;
    padding: 24px 20px;
  }

  .page-privacy .privacy-sections {
    max-width: 760px;
  }
}

/* ===== 打印样式 ===== */
@media print {
  .page-privacy {
    color: #1a1a2e;
    background: #fff;
    padding: 20px 40px;
    max-width: 100%;
  }

  .page-privacy .privacy-breadcrumb {
    color: #555;
  }

  .page-privacy .privacy-breadcrumb a {
    color: #1a1a2e;
    text-decoration: underline;
  }

  .page-privacy .hero-lock {
    display: none;
  }

  .page-privacy .hero-text h1 {
    color: #1a1a2e;
    font-size: 1.8rem;
  }

  .page-privacy .hero-summary {
    color: #333;
  }

  .page-privacy .privacy-toc {
    background: #f5f5f5;
    border: 1px solid #ccc;
    backdrop-filter: none;
    position: static;
    width: 100%;
    margin-bottom: 24px;
  }

  .page-privacy .toc-label {
    color: #1a1a2e;
  }

  .page-privacy .toc-list a {
    color: #1a1a2e;
    border-color: #ccc;
  }

  .page-privacy .toc-list a:hover {
    background: transparent;
    border-color: #ccc;
  }

  .page-privacy .privacy-chapter {
    border-bottom-color: #ddd;
    page-break-inside: avoid;
  }

  .page-privacy .privacy-chapter h2 {
    color: #1a1a2e;
    border-bottom-color: #1a1a2e;
  }

  .page-privacy .privacy-chapter p,
  .page-privacy .privacy-list li {
    color: #222;
  }

  .page-privacy .privacy-list li::before {
    background: #1a1a2e;
  }

  .page-privacy .privacy-figure {
    background: #f9f9f9;
    border-color: #ddd;
  }

  .page-privacy .privacy-contact-card {
    background: #f5f5f5;
    border-color: #ccc;
  }

  .page-privacy .contact-label {
    color: #1a1a2e;
  }

  .page-privacy .contact-value {
    color: #1a1a2e;
  }

  .page-privacy .contact-note {
    color: #444;
  }

  .page-privacy .contact-note a,
  .page-privacy .related-links a {
    color: #1a1a2e;
    text-decoration: underline;
  }

  .page-privacy .related-links {
    color: #444;
  }

  .page-privacy .privacy-layout {
    flex-direction: column;
  }
}