/* ===== 隐私政策页面专属样式 ===== */
.page-privacy {
  --privacy-gold: var(--clr-gold, #F5A623);
  --privacy-gold-light: var(--clr-gold-light, #FFD773);
  --privacy-neon: var(--clr-neon-blue, #00D4FF);
  --privacy-text-body: var(--clr-text-secondary, #BFB8D6);
  --privacy-bg-card: var(--clr-bg-card, #1E1A3A);
  --privacy-divider: var(--clr-divider, rgba(255,255,255,0.12));
  --privacy-sidebar-width: 260px;
  --privacy-content-max: 780px;
  --privacy-tooltip-bg: #2D1B4E;
  --privacy-tooltip-border: var(--privacy-gold);

  position: relative;
  padding: var(--space-lg, 2rem) 0 var(--space-2xl, 5rem);
  background-color: var(--clr-bg-dark, #0D0B1E);
  color: var(--privacy-text-body);
  font-family: var(--font-body, 'Noto Sans SC', sans-serif);
  font-weight: var(--font-weight-body, 400);
  line-height: var(--line-height-body, 1.6);
  overflow-x: hidden;
}

.page-privacy__inner {
  position: relative;
  z-index: 2;
  max-width: var(--max-width, 1280px);
  margin: 0 auto;
  padding: 0 var(--space-md, 1rem);
}

/* ---- 面包屑 ---- */
.page-privacy__breadcrumb {
  margin-bottom: var(--space-lg, 2rem);
  font-size: 0.875rem;
  color: var(--clr-text-secondary, #BFB8D6);
}

.page-privacy__breadcrumb .breadcrumb__link {
  color: var(--privacy-neon);
  text-decoration: none;
  transition: opacity var(--transition-base, 0.3s);
}

.page-privacy__breadcrumb .breadcrumb__link:hover,
.page-privacy__breadcrumb .breadcrumb__link:focus-visible {
  opacity: 0.75;
  text-decoration: underline;
}

.page-privacy__breadcrumb .breadcrumb__separator {
  margin: 0 0.5rem;
  color: var(--privacy-gold);
  font-weight: var(--font-weight-heading, 800);
}

.page-privacy__breadcrumb .breadcrumb__current {
  color: var(--clr-text-primary, #FFFFFF);
  font-weight: var(--font-weight-heading, 800);
}

/* ---- 页面标题 ---- */
.page-privacy__header {
  margin-bottom: var(--space-xl, 3rem);
}

.page-privacy__heading {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-weight: var(--font-weight-heading, 800);
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: var(--line-height-heading, 1.1);
  color: var(--privacy-gold);
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-sm, 0.5rem);
  text-shadow: 0 0 30px rgba(245, 166, 35, 0.15);
}

.page-privacy__intro {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--clr-text-secondary, #BFB8D6);
  max-width: var(--privacy-content-max);
  margin: 0;
  line-height: 1.7;
}

/* ---- 双栏布局 ---- */
.page-privacy__layout {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xl, 3rem);
  align-items: flex-start;
}

.page-privacy__content {
  flex: 1 1 100%;
  max-width: 100%;
}

/* ---- 章节 ---- */
.page-privacy__section {
  margin-bottom: var(--space-2xl, 4rem);
  scroll-margin-top: calc(var(--header-top-height, 2.25rem) + var(--header-main-height, 3.5rem) + var(--space-lg, 2rem));
}

.page-privacy__section-title {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm, 0.5rem);
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-weight: var(--font-weight-heading, 800);
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  line-height: var(--line-height-heading, 1.1);
  color: var(--privacy-gold);
  margin: 0 0 var(--space-md, 1rem);
  cursor: pointer;
  transition: text-shadow var(--transition-base, 0.3s);
}

.page-privacy__section-title:hover,
.page-privacy__section-title:focus-visible {
  text-shadow: 0 0 24px rgba(245, 166, 35, 0.25);
}

.page-privacy__section-num {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-weight: 800;
  font-size: 0.75em;
  color: var(--privacy-neon);
  opacity: 0.7;
  flex-shrink: 0;
  line-height: 1;
}

.page-privacy__text {
  font-size: 1rem;
  color: var(--privacy-text-body);
  margin: 0 0 var(--space-md, 1rem);
  line-height: 1.8;
}

.page-privacy__text:last-child {
  margin-bottom: 0;
}

/* ---- 列表 ---- */
.page-privacy__list {
  margin: 0 0 var(--space-md, 1rem);
  padding: 0 0 0 1.25rem;
  list-style: none;
}

.page-privacy__list-item {
  position: relative;
  font-size: 1rem;
  color: var(--privacy-text-body);
  line-height: 1.7;
  padding-left: 1.25rem;
  margin-bottom: var(--space-xs, 0.25rem);
}

.page-privacy__list-item::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--privacy-gold);
  font-weight: var(--font-weight-heading, 800);
}

/* ---- 内联链接 ---- */
.page-privacy__link {
  color: var(--privacy-neon);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base, 0.3s), color var(--transition-base, 0.3s);
}

.page-privacy__link:hover,
.page-privacy__link:focus-visible {
  border-bottom-color: var(--privacy-neon);
  color: var(--clr-text-primary, #FFFFFF);
}

/* ---- 关键术语高亮（霓虹蓝 + tooltip 触发器） ---- */
.page-privacy__highlight {
  color: var(--privacy-neon);
  font-weight: 600;
  border-bottom: 1px dashed var(--privacy-neon);
  cursor: help;
  position: relative;
  transition: color var(--transition-base, 0.3s);
}

.page-privacy__highlight:hover,
.page-privacy__highlight:focus-visible {
  color: var(--clr-text-primary, #FFFFFF);
  border-bottom-style: solid;
}

/* ---- 底部结束语 ---- */
.page-privacy__outro {
  margin-top: var(--space-2xl, 4rem);
  padding-top: var(--space-lg, 2rem);
  border-top: 1px solid var(--privacy-divider);
}

.page-privacy__outro-text {
  font-size: 1rem;
  color: var(--clr-text-primary, #FFFFFF);
  line-height: 1.7;
  margin: 0;
}

/* ---- 右侧边栏 ---- */
.page-privacy__sidebar {
  flex: 0 0 100%;
  max-width: 100%;
}

.page-privacy__sidebar-inner {
  background: var(--privacy-bg-card);
  border-radius: var(--border-radius, 8px);
  padding: var(--space-lg, 2rem);
  box-shadow: var(--shadow-card, 0 4px 24px rgba(0,0,0,0.3));
  border: 1px solid var(--privacy-divider);
  position: sticky;
  top: calc(var(--header-top-height, 2.25rem) + var(--header-main-height, 3.5rem) + var(--space-md, 1rem));
}

.page-privacy__sidebar-title {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-weight: var(--font-weight-heading, 800);
  font-size: 1.125rem;
  color: var(--privacy-gold);
  margin: 0 0 var(--space-md, 1rem);
  letter-spacing: 0.03em;
}

.page-privacy__sidebar-nav {
  margin-bottom: var(--space-md, 1rem);
}

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

.page-privacy__sidebar-item {
  margin-bottom: var(--space-xs, 0.25rem);
}

.page-privacy__sidebar-link {
  display: block;
  padding: var(--space-xs, 0.25rem) 0;
  color: var(--clr-text-secondary, #BFB8D6);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color var(--transition-base, 0.3s), padding-left var(--transition-base, 0.3s);
  border-left: 2px solid transparent;
  padding-left: 0;
}

.page-privacy__sidebar-link:hover,
.page-privacy__sidebar-link:focus-visible {
  color: var(--privacy-gold);
  padding-left: var(--space-sm, 0.5rem);
  border-left-color: var(--privacy-gold);
}

.page-privacy__sidebar-divider {
  border: none;
  height: 1px;
  background: var(--privacy-divider);
  margin: var(--space-md, 1rem) 0;
}

.page-privacy__sidebar-subtitle {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--privacy-neon);
  margin: 0 0 var(--space-sm, 0.5rem);
}

.page-privacy__sidebar-related .page-privacy__sidebar-link {
  font-size: 0.875rem;
}

/* ---- 抽象底纹图片 ---- */
.page-privacy__bg-texture {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  opacity: 0.04;
  pointer-events: none;
  z-index: 0;
  user-select: none;
}

/* ---- tooltip 浮层（纯CSS控制显隐，由交互控制data属性） ---- */
.page-privacy__tooltip {
  position: fixed;
  z-index: 9999;
  background: var(--privacy-tooltip-bg);
  color: var(--clr-text-primary, #FFFFFF);
  border: 1px solid var(--privacy-tooltip-border);
  border-radius: 6px;
  padding: var(--space-sm, 0.5rem) var(--space-md, 1rem);
  font-size: 0.875rem;
  line-height: 1.4;
  max-width: 260px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  pointer-events: none;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity var(--transition-base, 0.3s), transform var(--transition-base, 0.3s);
}

.page-privacy__tooltip[data-visible="true"] {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* ============ 桌面端 ≥ 960px ============ */
@media (min-width: 960px) {
  .page-privacy {
    padding: var(--space-xl, 3rem) 0 var(--space-2xl, 5rem);
  }

  .page-privacy__inner {
    padding: 0 var(--space-lg, 2rem);
  }

  .page-privacy__layout {
    flex-wrap: nowrap;
  }

  .page-privacy__content {
    flex: 1 1 var(--privacy-content-max);
    max-width: var(--privacy-content-max);
  }

  .page-privacy__sidebar {
    flex: 0 0 var(--privacy-sidebar-width);
    max-width: var(--privacy-sidebar-width);
  }

  .page-privacy__section-title {
    font-size: 1.85rem;
  }

  .page-privacy__bg-texture {
    opacity: 0.06;
  }
}

/* ============ 大桌面端 ≥ 1280px ============ */
@media (min-width: 1280px) {
  .page-privacy__content {
    flex: 1 1 calc(var(--privacy-content-max) + 40px);
    max-width: calc(var(--privacy-content-max) + 40px);
  }

  .page-privacy__sidebar {
    flex: 0 0 280px;
    max-width: 280px;
  }

  .page-privacy__section-title {
    font-size: 2.1rem;
  }
}

/* ============ 极窄屏保障 < 480px ============ */
@media (max-width: 479px) {
  .page-privacy__inner {
    padding: 0 var(--space-sm, 0.5rem);
  }

  .page-privacy__heading {
    font-size: 1.65rem;
  }

  .page-privacy__section-title {
    font-size: 1.3rem;
    flex-wrap: wrap;
  }

  .page-privacy__section-num {
    font-size: 1rem;
  }

  .page-privacy__sidebar-inner {
    padding: var(--space-md, 1rem);
  }

  .page-privacy__list {
    padding-left: 0.75rem;
  }

  .page-privacy__list-item {
    padding-left: 0.75rem;
  }

  .page-privacy__tooltip {
    max-width: 200px;
    font-size: 0.8125rem;
  }
}