.page-privacy {
  --privacy-max-width: 1120px;
  --privacy-content-width: 760px;
  --privacy-gold-line: #FFD700;
  --privacy-gold-soft: rgba(255, 215, 0, 0.15);
  --privacy-accent-soft: rgba(211, 47, 47, 0.06);
  --privacy-text-muted: #C0C0D0;
  --privacy-border-light: rgba(255, 255, 255, 0.08);
  --privacy-font-size-xl: 2.8rem;
  --privacy-font-size-lg: 1.6rem;
  --privacy-font-size-md: 1.15rem;
  --privacy-font-size-sm: 0.95rem;
  --privacy-font-size-xs: 0.85rem;
  --privacy-spacing-section: 2.8rem;
}

/* 移动端优先 */
.page-privacy {
  display: block;
  width: 100%;
  min-height: 100vh;
  background: var(--color-bg-deep, #0D0D1A);
  color: var(--color-white, #FFFFFF);
  font-family: var(--font-body, 'Noto Sans SC', 'Microsoft YaHei', sans-serif);
  line-height: 1.7;
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

/* hero 区 */
.page-privacy .privacy-hero-band {
  position: relative;
  width: 100%;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, #0B1D3A 0%, #151535 60%, #1A1A40 100%);
  padding: 2rem 1.2rem;
}

.page-privacy .privacy-hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.15;
}

.page-privacy .privacy-hero-visual {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-privacy .privacy-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(11,29,58,0.3) 0%, rgba(13,13,26,0.7) 100%);
  z-index: 1;
}

.page-privacy .privacy-hero-text {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: var(--privacy-max-width, 1120px);
  width: 100%;
  padding: 0.8rem 0;
}

.page-privacy .breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: var(--privacy-font-size-xs, 0.85rem);
  color: var(--color-secondary-text, #A0A0B0);
  margin-bottom: 1.2rem;
  font-weight: 400;
}

.page-privacy .breadcrumb-link {
  color: var(--color-secondary-text, #A0A0B0);
  text-decoration: none;
  transition: color 0.2s;
}

.page-privacy .breadcrumb-link:hover {
  color: var(--color-gold, #FFD700);
}

.page-privacy .breadcrumb-sep {
  color: var(--color-gold, #FFD700);
  font-weight: 700;
}

.page-privacy .breadcrumb-current {
  color: var(--color-white, #FFFFFF);
  font-weight: 500;
}

.page-privacy .privacy-title {
  font-family: var(--font-heading, 'Inter', 'PingFang SC', sans-serif);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-white, #FFFFFF);
  margin: 0 0 0.6rem 0;
  letter-spacing: 0.04em;
  text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

.page-privacy .privacy-subtitle {
  font-size: var(--privacy-font-size-sm, 0.95rem);
  color: var(--color-secondary-text, #A0A0B0);
  max-width: 600px;
  margin: 0 auto 0.6rem auto;
  line-height: 1.6;
  font-weight: 300;
}

.page-privacy .privacy-effective {
  font-size: var(--privacy-font-size-xs, 0.85rem);
  color: var(--privacy-text-muted, #C0C0D0);
  font-weight: 300;
  letter-spacing: 0.02em;
  opacity: 0.8;
}

/* 正文主体 */
.page-privacy .privacy-body {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: var(--privacy-max-width, 1120px);
  margin: 0 auto;
  padding: 2rem 1.2rem 4rem 1.2rem;
}

/* 目录 */
.page-privacy .privacy-toc {
  background: var(--color-card-bg, #1E1E3A);
  border-radius: var(--border-radius, 6px);
  padding: 1.5rem 1.8rem;
  border-left: 3px solid var(--color-gold, #FFD700);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.page-privacy .toc-heading {
  font-family: var(--font-heading, 'Inter', 'PingFang SC', sans-serif);
  font-size: var(--privacy-font-size-md, 1.15rem);
  font-weight: 700;
  color: var(--color-gold, #FFD700);
  margin: 0 0 1rem 0;
  letter-spacing: 0.03em;
}

.page-privacy .toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.8rem;
}

.page-privacy .toc-link {
  color: var(--color-secondary-text, #A0A0B0);
  text-decoration: none;
  font-size: var(--privacy-font-size-sm, 0.95rem);
  font-weight: 400;
  transition: color 0.2s, border-color 0.2s;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.page-privacy .toc-link:hover {
  color: var(--color-gold, #FFD700);
  border-bottom-color: var(--color-gold, #FFD700);
}

/* 内容区 */
.page-privacy .privacy-content {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: var(--privacy-content-width, 760px);
  width: 100%;
}

/* 条款区块 */
.page-privacy .privacy-section {
  background: transparent;
  border-bottom: none;
  padding: 0;
  margin: 0;
}

.page-privacy .section-header {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1.6rem 0 0.6rem 0;
  cursor: pointer;
  user-select: none;
  position: relative;
}

.page-privacy .section-num {
  font-family: var(--font-data, 'Fira Code', monospace);
  font-size: var(--privacy-font-size-lg, 1.6rem);
  font-weight: 700;
  color: var(--color-gold, #FFD700);
  margin: 0;
  line-height: 1;
  min-width: 2.2rem;
  opacity: 0.7;
}

.page-privacy .section-title {
  font-family: var(--font-heading, 'Inter', 'PingFang SC', sans-serif);
  font-size: var(--privacy-font-size-md, 1.15rem);
  font-weight: 700;
  color: var(--color-white, #FFFFFF);
  margin: 0;
  flex: 1;
  letter-spacing: 0.02em;
}

.page-privacy .section-toggle {
  background: none;
  border: 1px solid var(--privacy-border-light, rgba(255,255,255,0.08));
  color: var(--color-gold, #FFD700);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.2rem;
  line-height: 1;
  transition: background 0.2s, transform 0.2s;
  padding: 0;
  flex-shrink: 0;
}

.page-privacy .section-toggle:hover {
  background: var(--privacy-gold-soft, rgba(255,215,0,0.15));
}

.page-privacy .toggle-icon {
  display: inline-block;
  transition: transform 0.3s;
  font-weight: 700;
}

.page-privacy .section-body {
  padding: 0.4rem 0 1.2rem 0;
  overflow: hidden;
  transition: max-height 0.35s ease, opacity 0.25s ease;
}

.page-privacy .section[data-collapsible] .section-body[data-toggle-body] {
  max-height: none;
  opacity: 1;
}

/* 折叠状态由 js 控制，此处默认展开 */
.page-privacy .section-para {
  font-size: var(--privacy-font-size-sm, 0.95rem);
  color: var(--color-secondary-text, #A0A0B0);
  margin: 0 0 1rem 0;
  line-height: 1.8;
  font-weight: 300;
}

.page-privacy .sub-heading {
  font-family: var(--font-heading, 'Inter', 'PingFang SC', sans-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-white, #FFFFFF);
  margin: 1.2rem 0 0.6rem 0;
  letter-spacing: 0.01em;
}

.page-privacy .privacy-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.2rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.page-privacy .privacy-list li {
  font-size: var(--privacy-font-size-sm, 0.95rem);
  color: var(--color-secondary-text, #A0A0B0);
  line-height: 1.7;
  padding-left: 1.4rem;
  position: relative;
  font-weight: 300;
}

.page-privacy .privacy-list li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--color-gold, #FFD700);
  font-weight: 700;
}

.page-privacy .list-label {
  color: var(--color-white, #FFFFFF);
  font-weight: 600;
  font-size: inherit;
}

.page-privacy .section-note {
  font-size: var(--privacy-font-size-xs, 0.85rem);
  color: var(--privacy-text-muted, #C0C0D0);
  font-style: italic;
  margin: 0.6rem 0 0 0;
  padding: 0.6rem 1rem;
  background: var(--privacy-accent-soft, rgba(211,47,47,0.06));
  border-radius: 4px;
  border-left: 2px solid var(--color-accent, #D32F2F);
}

.page-privacy .section-important {
  font-size: var(--privacy-font-size-sm, 0.95rem);
  color: var(--color-white, #FFFFFF);
  background: var(--privacy-gold-soft, rgba(255,215,0,0.08));
  padding: 0.8rem 1.2rem;
  border-radius: 4px;
  border-left: 3px solid var(--color-gold, #FFD700);
  margin: 1.2rem 0 0 0;
  font-weight: 400;
  line-height: 1.7;
}

.page-privacy .section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, var(--color-gold, #FFD700) 0%, var(--privacy-border-light, rgba(255,255,255,0.08)) 80%);
  margin: 0.6rem 0 0.2rem 0;
  opacity: 0.4;
}

/* 联系列表 */
.page-privacy .privacy-contact-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.page-privacy .privacy-contact-list li {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  font-size: var(--privacy-font-size-sm, 0.95rem);
  color: var(--color-secondary-text, #A0A0B0);
  line-height: 1.6;
}

.page-privacy .contact-label {
  font-weight: 600;
  color: var(--color-white, #FFFFFF);
  min-width: 6rem;
  flex-shrink: 0;
}

.page-privacy .contact-val {
  color: var(--color-gold, #FFD700);
  word-break: break-all;
}

.page-privacy .contact-val a {
  color: var(--color-gold, #FFD700);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.page-privacy .contact-val a:hover {
  border-bottom-color: var(--color-gold, #FFD700);
}

/* 底部链接 */
.page-privacy .privacy-footer-links {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-top: 1.8rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--privacy-border-light, rgba(255,255,255,0.08));
}

.page-privacy .footer-link {
  color: var(--color-secondary-text, #A0A0B0);
  text-decoration: none;
  font-size: var(--privacy-font-size-sm, 0.95rem);
  transition: color 0.2s;
}

.page-privacy .footer-link:hover {
  color: var(--color-gold, #FFD700);
}

.page-privacy .link-sep {
  color: var(--privacy-text-muted, #C0C0D0);
  font-size: var(--privacy-font-size-sm, 0.95rem);
}

/* 信任声明 */
.page-privacy .privacy-trust-statement {
  margin-top: 2.8rem;
  padding: 1.2rem 1.5rem;
  background: var(--color-card-bg, #1E1E3A);
  border-radius: var(--border-radius, 6px);
  text-align: center;
  border: 1px solid var(--privacy-border-light, rgba(255,255,255,0.08));
}

.page-privacy .trust-text {
  font-size: var(--privacy-font-size-xs, 0.85rem);
  color: var(--privacy-text-muted, #C0C0D0);
  margin: 0.3rem 0;
  line-height: 1.6;
  font-weight: 300;
}

/* === 桌面端 === */
@media (min-width: 768px) {
  .page-privacy .privacy-title {
    font-size: var(--privacy-font-size-xl, 2.8rem);
  }

  .page-privacy .privacy-subtitle {
    font-size: var(--privacy-font-size-md, 1.15rem);
  }

  .page-privacy .privacy-body {
    flex-direction: row;
    align-items: flex-start;
    gap: 3rem;
    padding: 3rem 2rem 5rem 2rem;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 88px;
    flex: 0 0 240px;
    max-width: 240px;
    padding: 1.8rem 1.5rem;
  }

  .page-privacy .toc-list {
    flex-direction: column;
    gap: 0.5rem;
  }

  .page-privacy .toc-link {
    font-size: var(--privacy-font-size-xs, 0.85rem);
  }

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

  .page-privacy .section-num {
    font-size: 1.8rem;
    min-width: 2.6rem;
  }

  .page-privacy .section-title {
    font-size: var(--privacy-font-size-lg, 1.6rem);
  }

  .page-privacy .section-para,
  .page-privacy .privacy-list li,
  .page-privacy .section-important {
    font-size: 1rem;
  }

  .page-privacy .privacy-hero-band {
    min-height: 320px;
    padding: 3rem 2rem;
  }

  .page-privacy .privacy-trust-statement {
    padding: 1.5rem 2rem;
  }
}

@media (min-width: 1024px) {
  .page-privacy .privacy-toc {
    flex: 0 0 260px;
    max-width: 260px;
  }

  .page-privacy .privacy-body {
    gap: 4rem;
  }
}