/* ===== 页面专属 CSS: .page-privacy ===== */
.page-privacy {
  --privacy-accent: var(--color-accent, #39FF14);
  --privacy-primary: var(--color-primary, #0A1F3F);
  --privacy-primary-dark: var(--color-primary-dark, #051220);
  --privacy-primary-light: var(--color-primary-light, #1A2F4F);
  --privacy-secondary: var(--color-secondary, #C0C0C0);
  --privacy-text-primary: var(--color-text-primary, #FFFFFF);
  --privacy-text-secondary: var(--color-text-secondary, #AABBCC);
  --privacy-surface-dark: var(--color-surface-dark, #0D1B2A);
  --privacy-surface-light: var(--color-surface-light, #1E3A5F);
  --privacy-bg-start: var(--color-bg-gradient-start, #051220);
  --privacy-bg-end: var(--color-bg-gradient-end, #0A1F3F);
  --privacy-font-heading: var(--font-heading, 'Montserrat', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif);
  --privacy-font-body: var(--font-body, 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif);
  --privacy-radius-sm: var(--radius-sm, 6px);
  --privacy-radius-md: var(--radius-md, 12px);
  --privacy-radius-lg: var(--radius-lg, 24px);
  --privacy-container-max: var(--container-max, 1200px);
  --privacy-container-padding: var(--container-padding, 1rem);
  --privacy-transition-base: var(--transition-base, 0.35s ease);
  --privacy-shadow-soft: var(--shadow-soft, 0 8px 24px rgba(0,0,0,0.3));
  --privacy-shadow-glow: var(--shadow-glow, 0 0 20px rgba(57,255,20,0.15));

  display: block;
  background: linear-gradient(180deg, var(--privacy-bg-start) 0%, var(--privacy-bg-end) 100%);
  color: var(--privacy-text-primary);
  font-family: var(--privacy-font-body);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ===== Hero 区域 ===== */
.page-privacy__hero {
  position: relative;
  width: 100%;
  min-height: 240px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  margin-bottom: 0;
}

.page-privacy__hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.page-privacy__hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.25;
  display: block;
  filter: blur(2px) saturate(0.7);
  transform: scale(1.02);
}

.page-privacy__hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--privacy-container-max);
  margin: 0 auto;
  padding: 2rem var(--privacy-container-padding) 1.5rem;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.6rem;
  font-size: 0.8rem;
  font-family: var(--privacy-font-body);
  color: var(--privacy-text-secondary);
  margin-bottom: 1rem;
}

.breadcrumb a.breadcrumb-current {
  color: var(--privacy-text-secondary);
  text-decoration: none;
  transition: color var(--privacy-transition-base);
}

.breadcrumb a.breadcrumb-current:hover,
.breadcrumb a.breadcrumb-current:focus-visible {
  color: var(--privacy-accent);
}

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

.breadcrumb .breadcrumb-current:last-of-type {
  color: var(--privacy-text-primary);
  font-weight: 500;
}

.page-privacy__title {
  font-family: var(--privacy-font-heading);
  font-weight: 700;
  font-size: 2.2rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--privacy-text-primary);
  margin: 0 0 0.4rem;
  text-transform: uppercase;
}

.page-privacy__subtitle {
  font-size: 1rem;
  color: var(--privacy-text-secondary);
  max-width: 640px;
  margin: 0;
  line-height: 1.5;
}

/* ===== 主体布局 ===== */
.page-privacy__body {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: var(--privacy-container-max);
  margin: 0 auto;
  padding: 0 var(--privacy-container-padding) 4rem;
  position: relative;
}

/* ===== 目录 / 快速跳转 ===== */
.page-privacy__toc {
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(192,192,192,0.12);
  border-radius: var(--privacy-radius-md);
  padding: 1.25rem 1.5rem;
  margin-top: -0.5rem;
  position: sticky;
  top: 5rem;
  z-index: 10;
  order: 0;
}

.page-privacy__toc-label {
  display: block;
  font-family: var(--privacy-font-heading);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--privacy-accent);
  margin-bottom: 0.75rem;
}

.page-privacy__toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 0.8rem;
}

.page-privacy__toc-link {
  color: var(--privacy-text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-family: var(--privacy-font-body);
  padding: 0.2rem 0;
  border-bottom: 1px solid transparent;
  transition: color var(--privacy-transition-base), border-color var(--privacy-transition-base);
  white-space: nowrap;
}

.page-privacy__toc-link:hover,
.page-privacy__toc-link:focus-visible {
  color: var(--privacy-accent);
  border-bottom-color: var(--privacy-accent);
}

/* ===== 内容区 ===== */
.page-privacy__content {
  order: 1;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

/* ===== 章节 ===== */
.page-privacy__section {
  background: rgba(13,27,42,0.6);
  border-radius: var(--privacy-radius-lg);
  padding: 1.8rem 1.5rem;
  border: 1px solid rgba(192,192,192,0.08);
  transition: border-color var(--privacy-transition-base), box-shadow var(--privacy-transition-base);
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease, border-color var(--privacy-transition-base), box-shadow var(--privacy-transition-base);
}

.page-privacy__section.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.page-privacy__section:hover {
  border-color: rgba(57,255,20,0.15);
  box-shadow: 0 0 30px rgba(57,255,20,0.04);
}

.page-privacy__section--last {
  margin-bottom: 0;
}

.page-privacy__section-header {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid rgba(192,192,192,0.1);
  padding-bottom: 0.75rem;
}

.page-privacy__section-number {
  flex-shrink: 0;
  font-family: var(--privacy-font-heading);
  font-weight: 700;
  font-size: 1.8rem;
  line-height: 1;
  color: var(--privacy-accent);
  letter-spacing: -0.03em;
  opacity: 0.8;
}

.page-privacy__section-title {
  font-family: var(--privacy-font-heading);
  font-weight: 700;
  font-size: 1.35rem;
  line-height: 1.2;
  color: var(--privacy-text-primary);
  margin: 0;
  letter-spacing: -0.01em;
}

.page-privacy__section-body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ===== 文本 ===== */
.page-privacy__text {
  font-size: 0.95rem;
  color: var(--privacy-text-secondary);
  margin: 0;
  line-height: 1.65;
  max-width: 72ch;
}

.page-privacy__text--note {
  font-size: 0.85rem;
  color: var(--privacy-text-secondary);
  opacity: 0.75;
  border-left: 2px solid var(--privacy-accent);
  padding-left: 1rem;
  margin-top: 0.25rem;
}

.page-privacy__text--mt {
  margin-top: 0.5rem;
}

.page-privacy__strong {
  color: var(--privacy-text-primary);
  font-weight: 600;
}

/* ===== 列表 ===== */
.page-privacy__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.page-privacy__list-item {
  font-size: 0.92rem;
  color: var(--privacy-text-secondary);
  line-height: 1.6;
  padding-left: 1.2rem;
  position: relative;
}

.page-privacy__list-item::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--privacy-accent);
  opacity: 0.5;
}

.page-privacy__list--numbered .page-privacy__list-item {
  padding-left: 2rem;
  counter-increment: privacy-num;
}

.page-privacy__list--numbered .page-privacy__list-item::before {
  content: none;
}

.page-privacy__list-num {
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--privacy-font-heading);
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--privacy-accent);
  width: 1.5rem;
  text-align: right;
}

/* ===== 保护列表 - 网格卡片 ===== */
.page-privacy__list--grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.page-privacy__list-item--card {
  background: rgba(30,58,95,0.25);
  border: 1px solid rgba(192,192,192,0.08);
  border-radius: var(--privacy-radius-md);
  padding: 1rem 1rem 1rem 2.5rem;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.page-privacy__list-item--card::before {
  content: none;
}

.page-privacy__icon-shield {
  position: absolute;
  left: 0.75rem;
  top: 1rem;
  width: 1.1rem;
  height: 1.1rem;
  background: var(--privacy-accent);
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2L3 7v6c0 5.25 3.83 10.15 9 11 5.17-.85 9-5.75 9-11V7l-9-5zm0 2.18l7 3.89v5.93c0 4.2-2.87 8.03-7 8.8V4.18z'/%3E%3C/svg%3E") center/contain no-repeat;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2L3 7v6c0 5.25 3.83 10.15 9 11 5.17-.85 9-5.75 9-11V7l-9-5zm0 2.18l7 3.89v5.93c0 4.2-2.87 8.03-7 8.8V4.18z'/%3E%3C/svg%3E") center/contain no-repeat;
}

.page-privacy__desc {
  font-size: 0.82rem;
  color: var(--privacy-text-secondary);
  opacity: 0.8;
  line-height: 1.5;
}

/* ===== 用户权利网格 ===== */
.page-privacy__rights-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin: 0.5rem 0;
}

.page-privacy__rights-card {
  background: rgba(30,58,95,0.2);
  border: 1px solid rgba(192,192,192,0.08);
  border-radius: var(--privacy-radius-md);
  padding: 1rem 1rem 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  transition: border-color var(--privacy-transition-base), transform var(--privacy-transition-base);
}

.page-privacy__rights-card:hover {
  border-color: rgba(57,255,20,0.25);
  transform: translateY(-2px);
}

.page-privacy__rights-icon {
  font-size: 1.1rem;
  color: var(--privacy-accent);
  font-weight: 700;
  line-height: 1;
}

.page-privacy__rights-title {
  font-family: var(--privacy-font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--privacy-text-primary);
  margin: 0;
  line-height: 1.2;
}

.page-privacy__rights-desc {
  font-size: 0.8rem;
  color: var(--privacy-text-secondary);
  opacity: 0.8;
  margin: 0;
  line-height: 1.5;
}

/* ===== 联系卡片 ===== */
.page-privacy__contact-card {
  background: rgba(30,58,95,0.2);
  border: 1px solid rgba(57,255,20,0.12);
  border-radius: var(--privacy-radius-md);
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.page-privacy__contact-row {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.page-privacy__contact-label {
  font-family: var(--privacy-font-heading);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--privacy-accent);
  opacity: 0.8;
}

.page-privacy__contact-value {
  font-size: 0.95rem;
  color: var(--privacy-text-primary);
  text-decoration: none;
  word-break: break-all;
}

a.page-privacy__contact-value:hover,
a.page-privacy__contact-value:focus-visible {
  color: var(--privacy-accent);
}

.page-privacy__contact-row--note {
  margin-top: 0.25rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(192,192,192,0.1);
}

.page-privacy__contact-note {
  font-size: 0.82rem;
  color: var(--privacy-text-secondary);
  opacity: 0.7;
  line-height: 1.5;
}

/* ===== 回到顶部 ===== */
.page-privacy__back-top {
  text-align: center;
  margin-top: 0.5rem;
}

.page-privacy__back-top-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--privacy-font-heading);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--privacy-text-secondary);
  text-decoration: none;
  padding: 0.5rem 1.25rem;
  border: 1px solid rgba(192,192,192,0.15);
  border-radius: var(--privacy-radius-sm);
  transition: color var(--privacy-transition-base), border-color var(--privacy-transition-base), background var(--privacy-transition-base);
}

.page-privacy__back-top-link:hover,
.page-privacy__back-top-link:focus-visible {
  color: var(--privacy-accent);
  border-color: var(--privacy-accent);
  background: rgba(57,255,20,0.06);
}

/* ===== 响应式: 移动端优先 ===== */
@media (max-width: 639px) {
  .page-privacy__hero {
    min-height: 180px;
  }

  .page-privacy__hero-content {
    padding: 1.5rem var(--privacy-container-padding) 1rem;
  }

  .page-privacy__title {
    font-size: 1.6rem;
  }

  .page-privacy__subtitle {
    font-size: 0.88rem;
  }

  .page-privacy__body {
    padding: 0 var(--privacy-container-padding) 3rem;
    gap: 1.5rem;
  }

  .page-privacy__toc {
    padding: 1rem 1.25rem;
    top: 4rem;
  }

  .page-privacy__toc-list {
    gap: 0.2rem 0.6rem;
  }

  .page-privacy__toc-link {
    font-size: 0.78rem;
    white-space: normal;
  }

  .page-privacy__section {
    padding: 1.25rem 1rem;
    border-radius: var(--privacy-radius-md);
  }

  .page-privacy__section-number {
    font-size: 1.4rem;
  }

  .page-privacy__section-title {
    font-size: 1.1rem;
  }

  .page-privacy__text {
    font-size: 0.88rem;
  }

  .page-privacy__list-item {
    font-size: 0.85rem;
    padding-left: 1rem;
  }

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

  .page-privacy__rights-grid {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }

  .page-privacy__contact-card {
    padding: 1rem 1.25rem;
  }

  .page-privacy__contact-value {
    font-size: 0.88rem;
    word-break: break-all;
  }

  .page-privacy__back-top-link {
    font-size: 0.72rem;
    padding: 0.4rem 1rem;
  }
}

/* ===== 桌面增强 ===== */
@media (min-width: 640px) {
  .page-privacy__hero {
    min-height: 280px;
  }

  .page-privacy__hero-content {
    padding: 3rem var(--privacy-container-padding) 2rem;
  }

  .page-privacy__title {
    font-size: 2.8rem;
  }

  .page-privacy__subtitle {
    font-size: 1.05rem;
  }

  .page-privacy__body {
    flex-direction: row;
    align-items: flex-start;
    gap: 2.5rem;
    padding: 0 var(--privacy-container-padding) 5rem;
  }

  .page-privacy__toc {
    flex: 0 0 200px;
    position: sticky;
    top: 6rem;
    order: 0;
    margin-top: 0;
    padding: 1.5rem;
  }

  .page-privacy__toc-list {
    flex-direction: column;
    gap: 0.4rem;
  }

  .page-privacy__toc-link {
    font-size: 0.82rem;
    white-space: normal;
  }

  .page-privacy__content {
    flex: 1;
    min-width: 0;
    order: 1;
    gap: 3rem;
  }

  .page-privacy__section {
    padding: 2.2rem 2rem;
  }

  .page-privacy__section-number {
    font-size: 2.2rem;
  }

  .page-privacy__section-title {
    font-size: 1.5rem;
  }

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

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

@media (min-width: 1024px) {
  .page-privacy__hero {
    min-height: 300px;
  }

  .page-privacy__title {
    font-size: 3.2rem;
  }

  .page-privacy__toc {
    flex: 0 0 220px;
  }

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

  .page-privacy__rights-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ===== 高对比度与 reduced-motion ===== */
@media (prefers-reduced-motion: reduce) {
  .page-privacy__section {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-privacy__rights-card:hover {
    transform: none;
  }

  .page-privacy__hero-img {
    filter: blur(2px) saturate(0.7);
    transform: none;
  }
}

/* ===== 打印样式 ===== */
@media print {
  .page-privacy {
    background: #fff;
    color: #111;
  }

  .page-privacy__hero {
    min-height: auto;
  }

  .page-privacy__hero-img {
    display: none;
  }

  .page-privacy__toc {
    display: none;
  }

  .page-privacy__section {
    background: none;
    border: 1px solid #ddd;
    opacity: 1;
    transform: none;
    page-break-inside: avoid;
  }

  .page-privacy__section-number {
    color: #0A1F3F;
  }

  .page-privacy__text,
  .page-privacy__list-item,
  .page-privacy__rights-desc,
  .page-privacy__contact-note {
    color: #333;
  }

  .page-privacy__strong,
  .page-privacy__rights-title {
    color: #111;
  }

  .page-privacy__back-top {
    display: none;
  }

  .page-privacy__contact-card {
    background: none;
    border-color: #ccc;
  }

  .page-privacy__contact-value {
    color: #111;
  }

  a.page-privacy__contact-value {
    color: #0A1F3F;
  }
}