.page-privacy {
  --page-hero-height: 300px;
  --page-toc-width: 260px;
  --page-gap: var(--spacing-xl, 48px);
  --page-section-gap: var(--spacing-lg, 32px);
  --page-details-border: var(--primary, #7BC043);
  --page-details-bg: #ffffff;
  --page-summary-hover: #f0f9ea;
  --page-rights-num-size: 2.5rem;
  display: block;
}

/* ===== 顶部英雄区 ===== */
.page-privacy__hero {
  position: relative;
  width: 100%;
  height: var(--page-hero-height);
  overflow: hidden;
  margin-bottom: var(--spacing-xl, 48px);
  border-bottom: var(--border-width, 4px) solid var(--primary, #7BC043);
  box-shadow: var(--shadow-strong, 8px 8px 0 rgba(26,35,126,0.25));
}

.page-privacy__hero-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  max-width: 100%;
}

.page-privacy__hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,35,126,0.85) 0%, rgba(13,27,42,0.7) 100%);
  display: flex;
  align-items: flex-end;
  padding-bottom: var(--spacing-lg, 32px);
}

.page-privacy__hero-overlay .content-container {
  width: 100%;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-xs, 8px);
  font-family: var(--font-body, 'Segoe UI', 'Open Sans', sans-serif);
  font-size: 0.875rem;
  color: var(--text-on-dark, #FFFFFF);
  opacity: 0.85;
  margin-bottom: var(--spacing-sm, 16px);
}

.breadcrumb__link {
  color: var(--accent, #FFD700);
  text-decoration: none;
  transition: opacity var(--transition, 0.25s ease);
}

.breadcrumb__link:hover,
.breadcrumb__link:focus-visible {
  opacity: 0.7;
  text-decoration: underline;
}

.breadcrumb__sep {
  margin: 0 var(--spacing-xs, 8px);
  user-select: none;
}

.breadcrumb__current {
  color: var(--text-on-dark, #FFFFFF);
}

.page-privacy__title {
  font-family: var(--font-heading, Impact, 'Bebas Neue', 'Arial Black', sans-serif);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: bold;
  color: var(--text-on-dark, #FFFFFF);
  margin: 0 0 var(--spacing-xs, 8px) 0;
  line-height: 1.1;
  letter-spacing: 0.02em;
  text-shadow: 2px 2px 0 rgba(0,0,0,0.3);
}

.page-privacy__subtitle {
  font-family: var(--font-body, 'Segoe UI', 'Open Sans', sans-serif);
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--accent, #FFD700);
  margin: 0;
  font-weight: 600;
}

/* ===== 布局：目录 + 正文 ===== */
.page-privacy__layout {
  display: flex;
  flex-direction: column;
  gap: var(--page-gap);
  padding-bottom: var(--spacing-xl, 48px);
}

/* ===== 目录侧边栏 ===== */
.page-privacy__toc {
  background: var(--bg-light, #F5F5F5);
  padding: var(--spacing-md, 24px);
  border: var(--border-width, 4px) solid var(--secondary, #1A237E);
  box-shadow: var(--shadow-strong, 8px 8px 0 rgba(26,35,126,0.25));
  order: -1;
}

.page-privacy__toc-heading {
  font-family: var(--font-heading, Impact, 'Bebas Neue', 'Arial Black', sans-serif);
  font-size: 1.5rem;
  color: var(--secondary, #1A237E);
  margin: 0 0 var(--spacing-sm, 16px) 0;
  padding-bottom: var(--spacing-xs, 8px);
  border-bottom: 3px solid var(--primary, #7BC043);
  letter-spacing: 0.03em;
}

.page-privacy__toc-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--spacing-md, 24px) 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs, 8px);
}

.page-privacy__toc-link {
  display: block;
  padding: var(--spacing-xs, 8px) var(--spacing-sm, 16px);
  font-family: var(--font-body, 'Segoe UI', 'Open Sans', sans-serif);
  font-weight: 600;
  font-size: 1rem;
  color: var(--secondary, #1A237E);
  text-decoration: none;
  border-left: 4px solid transparent;
  background: transparent;
  transition: all var(--transition, 0.25s ease);
  border-radius: 0;
}

.page-privacy__toc-link:hover,
.page-privacy__toc-link:focus-visible {
  border-left-color: var(--primary, #7BC043);
  background: rgba(123,192,67,0.08);
  color: var(--primary-dark, #5a9e2a);
  outline: none;
}

.page-privacy__toc-link:active {
  background: rgba(123,192,67,0.15);
}

.page-privacy__toc-extra {
  padding-top: var(--spacing-sm, 16px);
  border-top: 1px solid var(--text-muted, #6b7280);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs, 8px);
}

.page-privacy__toc-extra p {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--secondary, #1A237E);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.page-privacy__toc-extra-link {
  font-family: var(--font-body, 'Segoe UI', 'Open Sans', sans-serif);
  font-size: 0.95rem;
  color: var(--primary, #7BC043);
  text-decoration: none;
  padding: var(--spacing-xs, 8px) var(--spacing-sm, 16px);
  border: 2px solid var(--primary, #7BC043);
  transition: all var(--transition, 0.25s ease);
  display: inline-block;
  width: fit-content;
}

.page-privacy__toc-extra-link:hover,
.page-privacy__toc-extra-link:focus-visible {
  background: var(--primary, #7BC043);
  color: var(--text-on-dark, #FFFFFF);
  outline: none;
}

/* ===== 正文内容区 ===== */
.page-privacy__content {
  flex: 1;
  min-width: 0;
}

.page-privacy__intro {
  font-family: var(--font-body, 'Segoe UI', 'Open Sans', sans-serif);
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-primary, #1A237E);
  background: rgba(123,192,67,0.06);
  padding: var(--spacing-md, 24px);
  border-left: var(--border-width, 4px) solid var(--primary, #7BC043);
  margin: 0 0 var(--page-section-gap) 0;
  font-weight: 500;
}

/* ===== 可折叠章节 ===== */
.page-privacy__section {
  margin-bottom: var(--page-section-gap);
}

.page-privacy__details {
  background: var(--page-details-bg);
  border: 2px solid var(--page-details-border);
  box-shadow: var(--shadow-soft, 4px 4px 0 rgba(26,35,126,0.12));
  transition: box-shadow var(--transition, 0.25s ease);
  overflow: hidden;
}

.page-privacy__details[open] {
  box-shadow: var(--shadow-strong, 8px 8px 0 rgba(26,35,126,0.25));
}

.page-privacy__summary {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm, 16px);
  padding: var(--spacing-md, 24px);
  cursor: pointer;
  list-style: none;
  transition: background var(--transition, 0.25s ease);
  user-select: none;
}

.page-privacy__summary::-webkit-details-marker {
  display: none;
}

.page-privacy__summary:hover {
  background: var(--page-summary-hover);
}

.page-privacy__summary:focus-visible {
  outline: 3px solid var(--accent, #FFD700);
  outline-offset: -3px;
}

.page-privacy__summary .section-marker {
  flex-shrink: 0;
  width: 6px;
  height: 2rem;
  background: var(--primary, #7BC043);
  display: block;
}

.page-privacy__section-heading {
  font-family: var(--font-heading, Impact, 'Bebas Neue', 'Arial Black', sans-serif);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  color: var(--secondary, #1A237E);
  margin: 0;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.page-privacy__summary::after {
  content: "＋";
  margin-left: auto;
  font-size: 1.6rem;
  font-weight: bold;
  color: var(--primary, #7BC043);
  transition: transform var(--transition, 0.25s ease);
  line-height: 1;
}

.page-privacy__details[open] > .page-privacy__summary::after {
  content: "−";
  transform: rotate(0deg);
}

.page-privacy__details-body {
  padding: 0 var(--spacing-md, 24px) var(--spacing-lg, 32px) var(--spacing-md, 24px);
  border-top: 1px solid rgba(123,192,67,0.2);
}

.page-privacy__details-body p {
  font-family: var(--font-body, 'Segoe UI', 'Open Sans', sans-serif);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-primary, #1A237E);
  margin: 0 0 var(--spacing-sm, 16px) 0;
}

.page-privacy__details-body p:last-child {
  margin-bottom: 0;
}

/* ===== 列表样式 ===== */
.page-privacy__list {
  list-style: none;
  padding: 0;
  margin: var(--spacing-sm, 16px) 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm, 16px);
}

.page-privacy__list li {
  font-family: var(--font-body, 'Segoe UI', 'Open Sans', sans-serif);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary, #1A237E);
  padding-left: var(--spacing-md, 24px);
  position: relative;
}

.page-privacy__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 10px;
  height: 10px;
  background: var(--primary, #7BC043);
  border: 2px solid var(--secondary, #1A237E);
  transform: rotate(45deg);
}

.page-privacy__list--shield li::before {
  content: "🛡";
  background: transparent;
  border: none;
  transform: none;
  font-size: 1.1rem;
  top: 0.2em;
  width: auto;
  height: auto;
}

.page-privacy__list li strong {
  color: var(--secondary, #1A237E);
  font-weight: 700;
}

/* ===== 使用目的网格（卡片） ===== */
.grid-2.page-privacy__usage-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-sm, 16px);
  margin: var(--spacing-sm, 16px) 0 0 0;
}

.page-privacy__usage-card {
  padding: var(--spacing-sm, 16px) var(--spacing-md, 24px);
  border: 2px solid var(--primary, #7BC043);
  box-shadow: var(--shadow-soft, 4px 4px 0 rgba(26,35,126,0.12));
  background: #ffffff;
}

.page-privacy__usage-card .tag-label {
  display: inline-block;
  background: var(--accent, #FFD700);
  color: var(--secondary, #1A237E);
  font-family: var(--font-heading, Impact, 'Bebas Neue', 'Arial Black', sans-serif);
  font-size: 0.8rem;
  padding: 2px 12px;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-xs, 8px);
  text-transform: uppercase;
}

.page-privacy__usage-card p {
  font-family: var(--font-body, 'Segoe UI', 'Open Sans', sans-serif);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-primary, #1A237E);
  margin: 0;
}

/* ===== 用户权利区域 ===== */
.page-privacy__rights-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm, 16px);
  margin: var(--spacing-sm, 16px) 0;
}

.page-privacy__rights-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm, 16px);
  padding: var(--spacing-sm, 16px);
  background: var(--bg-light, #F5F5F5);
  border-left: var(--border-width, 4px) solid var(--primary, #7BC043);
  transition: box-shadow var(--transition, 0.25s ease);
}

.page-privacy__rights-item:hover {
  box-shadow: var(--shadow-soft, 4px 4px 0 rgba(26,35,126,0.12));
}

.page-privacy__rights-num {
  font-family: var(--font-heading, Impact, 'Bebas Neue', 'Arial Black', sans-serif);
  font-size: var(--page-rights-num-size);
  font-weight: bold;
  color: var(--primary, #7BC043);
  line-height: 1;
  flex-shrink: 0;
  width: 1.4em;
  text-align: center;
  text-shadow: 2px 2px 0 rgba(26,35,126,0.1);
}

.page-privacy__rights-item h3 {
  font-family: var(--font-heading, Impact, 'Bebas Neue', 'Arial Black', sans-serif);
  font-size: 1.15rem;
  color: var(--secondary, #1A237E);
  margin: 0 0 var(--spacing-xs, 8px) 0;
  letter-spacing: 0.02em;
}

.page-privacy__rights-item p {
  font-family: var(--font-body, 'Segoe UI', 'Open Sans', sans-serif);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-primary, #1A237E);
  margin: 0;
}

.page-privacy__rights-footer {
  font-family: var(--font-body, 'Segoe UI', 'Open Sans', sans-serif);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-primary, #1A237E);
  padding: var(--spacing-sm, 16px);
  background: rgba(255,215,0,0.1);
  border: 2px solid var(--accent, #FFD700);
  margin-top: var(--spacing-sm, 16px);
}

.page-privacy__rights-footer a {
  color: var(--primary-dark, #5a9e2a);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-privacy__rights-footer a:hover {
  color: var(--secondary, #1A237E);
}

/* ===== 脚注 ===== */
.page-privacy__footer-note {
  margin-top: var(--spacing-xl, 48px);
  padding: var(--spacing-md, 24px);
  border-top: 3px solid var(--secondary, #1A237E);
  background: var(--bg-light, #F5F5F5);
}

.page-privacy__footer-note p {
  font-family: var(--font-body, 'Segoe UI', 'Open Sans', sans-serif);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-muted, #6b7280);
  margin: 0 0 var(--spacing-xs, 8px) 0;
}

.page-privacy__footer-note p:last-child {
  margin-bottom: 0;
}

.page-privacy__footer-note a {
  color: var(--primary, #7BC043);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-privacy__footer-note a:hover {
  color: var(--secondary, #1A237E);
}

/* ===== 辅助文字 ===== */
.text-muted {
  font-family: var(--font-body, 'Segoe UI', 'Open Sans', sans-serif);
  font-size: 0.9rem;
  color: var(--text-muted, #6b7280);
}

/* ===== 响应式：平板及以上 ===== */
@media (min-width: 768px) {
  .page-privacy__layout {
    flex-direction: row;
    align-items: flex-start;
  }

  .page-privacy__toc {
    position: sticky;
    top: var(--spacing-lg, 32px);
    width: var(--page-toc-width);
    flex-shrink: 0;
    order: 0;
  }

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

  .grid-2.page-privacy__usage-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-privacy__rights-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm, 16px);
  }

  .page-privacy__rights-item {
    break-inside: avoid;
  }
}

/* ===== 响应式：桌面宽屏 ===== */
@media (min-width: 1024px) {
  .page-privacy__hero {
    height: 320px;
  }

  .page-privacy__toc {
    width: 280px;
    padding: var(--spacing-lg, 32px);
  }

  .page-privacy__details-body {
    padding: var(--spacing-md, 24px) var(--spacing-lg, 32px) var(--spacing-lg, 32px) var(--spacing-lg, 32px);
  }

  .page-privacy__rights-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-privacy__summary {
    padding: var(--spacing-md, 24px) var(--spacing-lg, 32px);
  }
}

/* ===== 大桌面 ===== */
@media (min-width: 1400px) {
  .page-privacy__hero {
    height: 360px;
  }

  .page-privacy__toc {
    width: 300px;
  }
}

/* ===== 减少动效 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-privacy__summary::after,
  .page-privacy__details,
  .page-privacy__toc-link,
  .page-privacy__rights-item {
    transition: none;
  }

  .page-privacy__details[open] {
    box-shadow: var(--shadow-strong, 8px 8px 0 rgba(26,35,126,0.25));
  }
}