.page-privacy {
  --privacy-accent: #4A148C;
  --privacy-accent-light: #E1BEE7;
  --privacy-accent-bg: #F3E5F5;
  --privacy-card-bg: #FFFFFF;
  --privacy-note-bg: #EDE7F6;
  --privacy-hero-gradient-start: #1B5E20;
  --privacy-hero-gradient-end: #0D1B2A;
  display: block;
  width: 100%;
  font-family: var(--font-body, 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif);
  color: var(--color-text, #212121);
  background: var(--color-bg-light, #F5F5F5);
  line-height: 1.7;
}

/* ===== 容器 ===== */
.page-privacy .container {
  max-width: var(--max-width, 1200px);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

/* ===== 面包屑 ===== */
.page-privacy .privacy-breadcrumb {
  padding: 1rem 0 0;
  background: var(--color-bg-light, #F5F5F5);
}
.page-privacy .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-text-secondary, #616161);
}
.page-privacy .breadcrumb-link {
  color: var(--color-primary, #2E7D32);
  text-decoration: none;
  transition: color var(--transition-fast, 150ms ease);
}
.page-privacy .breadcrumb-link:hover {
  color: var(--color-primary-dark, #1B5E20);
  text-decoration: underline;
}
.page-privacy .breadcrumb-sep {
  color: var(--color-border, #BDBDBD);
  user-select: none;
}
.page-privacy .breadcrumb-current {
  color: var(--color-text-secondary, #616161);
  font-weight: 600;
}

/* ===== Hero 区 ===== */
.page-privacy .privacy-hero {
  background: linear-gradient(135deg, var(--privacy-hero-gradient-start) 0%, var(--privacy-hero-gradient-end) 100%);
  padding: 2.5rem 0 1.5rem;
  position: relative;
  overflow: hidden;
}
.page-privacy .privacy-hero::after {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255, 193, 7, 0.08);
  pointer-events: none;
}
.page-privacy .privacy-hero__inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: relative;
  z-index: 1;
}
.page-privacy .privacy-hero__text {
  flex: 1;
}
.page-privacy .privacy-hero .section-number {
  display: inline-block;
  font-family: var(--font-heading, 'Archivo Black', 'Arial Black', system-ui, sans-serif);
  font-size: clamp(0.75rem, 2vw, 1rem);
  font-weight: 900;
  color: var(--color-secondary, #FFC107);
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}
.page-privacy .privacy-hero .section-title {
  font-family: var(--font-heading, 'Archivo Black', 'Arial Black', system-ui, sans-serif);
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  font-weight: 900;
  color: #FFFFFF;
  margin: 0 0 0.75rem;
  line-height: 1.15;
  text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.page-privacy .privacy-hero__desc {
  font-size: clamp(0.9375rem, 2vw, 1.125rem);
  color: rgba(255,255,255,0.88);
  max-width: 720px;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}
.page-privacy .privacy-hero__image {
  width: 100%;
  border-radius: var(--radius-md, 8px);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
}
.page-privacy .privacy-hero__img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 200px;
  object-fit: cover;
}

/* ===== 章节速览 ===== */
.page-privacy .privacy-toc {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-md, 8px);
  padding: 1rem 1.25rem;
  max-width: 600px;
}
.page-privacy .privacy-toc__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-secondary, #FFC107);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}
.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.8rem;
}
.page-privacy .privacy-toc__link {
  color: rgba(255,255,255,0.9);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.15rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition-fast, 150ms ease), color var(--transition-fast, 150ms ease);
}
.page-privacy .privacy-toc__link:hover {
  color: var(--color-secondary, #FFC107);
  border-bottom-color: var(--color-secondary, #FFC107);
}

/* ===== 通用章节 ===== */
.page-privacy .privacy-section {
  padding: 3rem 0;
  background: #FFFFFF;
}
.page-privacy .privacy-section--alt {
  background: var(--privacy-accent-bg);
}
.page-privacy .privacy-section--final {
  padding-bottom: 4rem;
}
.page-privacy .privacy-section__inner {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.page-privacy .privacy-section__number {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  flex-shrink: 0;
}
.page-privacy .privacy-section__digit {
  font-family: var(--font-heading, 'Archivo Black', 'Arial Black', system-ui, sans-serif);
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 900;
  color: var(--privacy-accent);
  line-height: 1;
  opacity: 0.2;
  user-select: none;
}
.page-privacy .privacy-section__line {
  flex: 1;
  height: 3px;
  background: linear-gradient(90deg, var(--privacy-accent) 0%, transparent 100%);
  opacity: 0.25;
  margin-top: 1.2rem;
  min-width: 40px;
  max-width: 120px;
}
.page-privacy .privacy-section__content {
  flex: 1;
  min-width: 0;
}
.page-privacy .privacy-section__title {
  font-family: var(--font-heading, 'Archivo Black', 'Arial Black', system-ui, sans-serif);
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  font-weight: 900;
  color: var(--color-text, #212121);
  margin: 0 0 0.75rem;
  line-height: 1.2;
  position: relative;
}
.page-privacy .privacy-section__title::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 1.1em;
  background: var(--privacy-accent);
  margin-right: 0.5rem;
  vertical-align: middle;
  border-radius: 3px;
}
.page-privacy .privacy-section__intro {
  font-size: clamp(0.9375rem, 1.8vw, 1.0625rem);
  color: var(--color-text-secondary, #616161);
  max-width: 720px;
  margin-bottom: 1.5rem;
  line-height: 1.7;
}
.page-privacy .privacy-section__block {
  margin-bottom: 1.5rem;
  padding-left: 1rem;
  border-left: 3px solid var(--privacy-accent-light);
}
.page-privacy .privacy-section__subtitle {
  font-family: var(--font-heading, 'Archivo Black', 'Arial Black', system-ui, sans-serif);
  font-size: clamp(1rem, 2vw, 1.125rem);
  font-weight: 700;
  color: var(--color-text, #212121);
  margin: 0 0 0.4rem;
}
.page-privacy .privacy-section__block p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary, #616161);
  margin: 0 0 0.4rem;
  line-height: 1.7;
}
.page-privacy .privacy-section__footnote {
  font-size: 0.875rem;
  color: var(--color-text-secondary, #616161);
  margin-top: 1.25rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border, #BDBDBD);
  font-style: italic;
}
.page-privacy .privacy-section__update-meta {
  font-size: 0.8125rem;
  color: var(--color-text-secondary, #616161);
  margin-top: 1rem;
  padding: 0.5rem 0.75rem;
  background: var(--privacy-accent-bg);
  border-radius: var(--radius-sm, 4px);
  display: inline-block;
}

/* ===== 提示条 ===== */
.page-privacy .privacy-section__note {
  display: flex;
  gap: 0.75rem;
  background: var(--privacy-note-bg);
  border-radius: var(--radius-md, 8px);
  padding: 1rem 1.25rem;
  margin-top: 1.5rem;
  border-left: 4px solid var(--privacy-accent);
}
.page-privacy .privacy-note__icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--privacy-accent);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading, 'Archivo Black', 'Arial Black', system-ui, sans-serif);
  font-size: 0.8125rem;
  font-weight: 900;
  line-height: 1;
}
.page-privacy .privacy-section__note p {
  margin: 0;
  font-size: 0.875rem;
  color: #333;
  line-height: 1.6;
}

/* ===== 使用列表 ===== */
.page-privacy .privacy-usage-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.page-privacy .privacy-usage-item {
  display: flex;
  gap: 0.875rem;
  align-items: flex-start;
  padding: 0.75rem 1rem;
  background: #FFFFFF;
  border-radius: var(--radius-md, 8px);
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  border: 1px solid var(--color-border, #BDBDBD);
}
.page-privacy .privacy-usage-item__num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--privacy-accent);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading, 'Archivo Black', 'Arial Black', system-ui, sans-serif);
  font-size: 0.875rem;
  font-weight: 900;
  line-height: 1;
}
.page-privacy .privacy-usage-item__text {
  font-size: 0.9375rem;
  color: var(--color-text-secondary, #616161);
  line-height: 1.6;
}
.page-privacy .privacy-usage-item__text strong {
  color: var(--color-text, #212121);
  font-weight: 700;
}

/* ===== 保护网格 ===== */
.page-privacy .privacy-protect-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}
.page-privacy .privacy-protect-card {
  background: #FFFFFF;
  border-radius: var(--radius-md, 8px);
  padding: 1.25rem 1.25rem 1.5rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  border: 1px solid var(--color-border, #BDBDBD);
  transition: transform var(--transition-fast, 150ms ease), box-shadow var(--transition-fast, 150ms ease);
}
.page-privacy .privacy-protect-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(74, 20, 140, 0.12);
  border-color: var(--privacy-accent-light);
}
.page-privacy .privacy-protect-card__icon {
  font-size: 1.75rem;
  display: block;
  margin-bottom: 0.5rem;
}
.page-privacy .privacy-protect-card__title {
  font-family: var(--font-heading, 'Archivo Black', 'Arial Black', system-ui, sans-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text, #212121);
  margin: 0 0 0.4rem;
}
.page-privacy .privacy-protect-card p {
  font-size: 0.875rem;
  color: var(--color-text-secondary, #616161);
  margin: 0;
  line-height: 1.6;
}

/* ===== 用户权利列表 ===== */
.page-privacy .privacy-rights-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 1.25rem 0;
}
.page-privacy .privacy-rights-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  background: #FFFFFF;
  border-radius: var(--radius-sm, 4px);
  border: 1px solid var(--color-border, #BDBDBD);
  font-size: 0.9375rem;
  color: var(--color-text-secondary, #616161);
}
.page-privacy .privacy-rights-item__badge {
  flex-shrink: 0;
  font-family: var(--font-heading, 'Archivo Black', 'Arial Black', system-ui, sans-serif);
  font-size: 0.75rem;
  font-weight: 700;
  color: #FFFFFF;
  background: var(--privacy-accent);
  padding: 0.25rem 0.6rem;
  border-radius: 20px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* ===== 联系渠道 ===== */
.page-privacy .privacy-contact-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}
.page-privacy .privacy-contact-card {
  background: #FFFFFF;
  border-radius: var(--radius-md, 8px);
  padding: 1rem 1.25rem;
  border: 1px solid var(--color-border, #BDBDBD);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.page-privacy .privacy-contact-card__label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--privacy-accent);
}
.page-privacy .privacy-contact-card__value {
  font-size: 0.9375rem;
  color: var(--color-text, #212121);
  text-decoration: none;
}
.page-privacy .privacy-contact-card__value a {
  color: var(--color-primary, #2E7D32);
  text-decoration: none;
  font-weight: 500;
}
.page-privacy .privacy-contact-card__value a:hover {
  text-decoration: underline;
}

/* ===== 链接区 ===== */
.page-privacy .privacy-section__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}
.page-privacy .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.5rem;
  font-family: var(--font-body, 'Inter', -apple-system, sans-serif);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md, 8px);
  text-decoration: none;
  transition: all var(--transition-fast, 150ms ease);
  cursor: pointer;
  border: 2px solid transparent;
  line-height: 1.4;
}
.page-privacy .btn-primary {
  background: var(--color-primary, #2E7D32);
  color: #FFFFFF;
  border-color: var(--color-primary, #2E7D32);
}
.page-privacy .btn-primary:hover {
  background: var(--color-primary-dark, #1B5E20);
  border-color: var(--color-primary-dark, #1B5E20);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(46, 125, 50, 0.3);
}
.page-privacy .btn-outline {
  background: transparent;
  color: var(--color-primary, #2E7D32);
  border-color: var(--color-primary, #2E7D32);
}
.page-privacy .btn-outline:hover {
  background: var(--color-primary, #2E7D32);
  color: #FFFFFF;
  transform: translateY(-1px);
}

/* ===== 返回顶部 ===== */
.page-privacy .back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary, #2E7D32);
  color: #FFFFFF;
  border: none;
  box-shadow: var(--shadow-md, 0 4px 12px rgba(0,0,0,0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition-base, 300ms ease), visibility var(--transition-base, 300ms ease), transform var(--transition-base, 300ms ease), background var(--transition-fast, 150ms ease);
}
.page-privacy .back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.page-privacy .back-to-top:hover {
  background: var(--color-primary-dark, #1B5E20);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg, 0 8px 24px rgba(0,0,0,0.2));
}

/* ===== 桌面端（768px 及以上） ===== */
@media (min-width: 768px) {
  .page-privacy .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
  .page-privacy .privacy-hero {
    padding: 3.5rem 0 2rem;
  }
  .page-privacy .privacy-hero__inner {
    flex-direction: row;
    align-items: center;
    gap: 3rem;
  }
  .page-privacy .privacy-hero__text {
    flex: 1.1;
  }
  .page-privacy .privacy-hero__image {
    flex: 0.9;
  }
  .page-privacy .privacy-hero__img {
    max-height: 200px;
    border-radius: var(--radius-md, 8px);
  }
  .page-privacy .privacy-section {
    padding: 4rem 0;
  }
  .page-privacy .privacy-section--final {
    padding-bottom: 5rem;
  }
  .page-privacy .privacy-section__inner {
    flex-direction: row;
    gap: 2.5rem;
  }
  .page-privacy .privacy-section__number {
    width: 80px;
    flex-direction: column;
    align-items: center;
  }
  .page-privacy .privacy-section__digit {
    opacity: 0.25;
    font-size: clamp(2.5rem, 5vw, 4rem);
  }
  .page-privacy .privacy-section__line {
    width: 3px;
    height: 80px;
    min-width: unset;
    max-width: unset;
    background: linear-gradient(180deg, var(--privacy-accent) 0%, transparent 100%);
    margin-top: 0.5rem;
  }
  .page-privacy .privacy-protect-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-privacy .privacy-contact-channels {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-privacy .privacy-rights-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }
  .page-privacy .privacy-toc__list {
    gap: 0.5rem 1.2rem;
  }
}

/* ===== 大桌面端（1024px 及以上） ===== */
@media (min-width: 1024px) {
  .page-privacy .privacy-hero {
    padding: 4rem 0 2.5rem;
  }
  .page-privacy .privacy-hero__inner {
    gap: 4rem;
  }
  .page-privacy .privacy-hero__image {
    flex: 0.8;
  }
  .page-privacy .privacy-protect-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-privacy .privacy-contact-channels {
    grid-template-columns: repeat(3, 1fr);
    max-width: 800px;
  }
  .page-privacy .privacy-section__inner {
    gap: 3rem;
  }
  .page-privacy .privacy-section__number {
    width: 100px;
  }
  .page-privacy .privacy-rights-list {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-privacy .back-to-top {
    bottom: 2.5rem;
    right: 2.5rem;
    width: 48px;
    height: 48px;
  }
}

/* ===== 移动端微调 ===== */
@media (max-width: 480px) {
  .page-privacy .privacy-hero {
    padding: 1.75rem 0 1.25rem;
  }
  .page-privacy .privacy-hero .section-title {
    font-size: 1.5rem;
  }
  .page-privacy .privacy-toc {
    padding: 0.75rem 1rem;
  }
  .page-privacy .privacy-toc__list {
    flex-direction: column;
    gap: 0.3rem;
  }
  .page-privacy .privacy-section {
    padding: 2rem 0;
  }
  .page-privacy .privacy-section__block {
    padding-left: 0.75rem;
  }
  .page-privacy .privacy-usage-item {
    padding: 0.625rem 0.75rem;
  }
  .page-privacy .privacy-protect-card {
    padding: 1rem;
  }
  .page-privacy .privacy-rights-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
  }
  .page-privacy .privacy-section__links {
    flex-direction: column;
  }
  .page-privacy .privacy-section__links .btn {
    width: 100%;
  }
  .page-privacy .back-to-top {
    bottom: 1.25rem;
    right: 1rem;
    width: 40px;
    height: 40px;
  }
}