.page-privacy {
  --privacy-accent: #FF6B35;
  --privacy-accent-dim: rgba(255, 107, 53, 0.15);
  --privacy-accent-glow: rgba(255, 107, 53, 0.25);
  --privacy-glass-bg: rgba(255, 255, 255, 0.06);
  --privacy-glass-border: rgba(255, 255, 255, 0.08);
  --privacy-content-max: 820px;
  --privacy-sidebar-width: 220px;
  --privacy-gap: 48px;
  --privacy-radius-card: 16px;
  --privacy-radius-pill: 24px;

  background-color: #0B1A3B;
  color: #FFFFFF;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
}

/* ─── 数据流纹理背景 ─── */
.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(139, 92, 246, 0.08) 0%, transparent 60%),
    radial-gradient(circle at 80% 70%, rgba(255, 107, 53, 0.06) 0%, transparent 50%),
    repeating-linear-gradient(45deg,
      transparent 0px,
      transparent 40px,
      rgba(255, 255, 255, 0.015) 40px,
      rgba(255, 255, 255, 0.015) 41px
    );
  pointer-events: none;
}

/* ─── 英雄区 ─── */
.privacy-hero {
  position: relative;
  z-index: 1;
  padding: 60px 20px 40px;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: linear-gradient(180deg, rgba(139, 92, 246, 0.08) 0%, transparent 100%);
}

.privacy-hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    radial-gradient(ellipse at 30% 20%, rgba(255, 107, 53, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 80%, rgba(139, 92, 246, 0.06) 0%, transparent 50%);
  pointer-events: none;
}

.privacy-hero-inner {
  max-width: var(--privacy-content-max);
  margin: 0 auto;
}

.privacy-breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.85rem;
  color: #A0AEC0;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

.privacy-breadcrumb a {
  color: #A0AEC0;
  text-decoration: none;
  transition: color 0.2s ease;
}

.privacy-breadcrumb a:hover,
.privacy-breadcrumb a:focus-visible {
  color: #FF6B35;
}

.privacy-breadcrumb-sep {
  color: rgba(160, 174, 192, 0.4);
  font-size: 0.75rem;
}

.privacy-hero-title {
  font-size: clamp(2.4rem, 8vw, 4.2rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  background: linear-gradient(135deg, #FFFFFF 40%, #FF6B35 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.privacy-hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  font-weight: 400;
  color: #A0AEC0;
  max-width: 600px;
  margin: 0 auto 12px;
  line-height: 1.6;
}

.privacy-hero-updated {
  font-size: 0.8rem;
  color: rgba(160, 174, 192, 0.7);
  font-weight: 300;
  letter-spacing: 0.05em;
}

/* ─── 主体布局 ─── */
.privacy-layout {
  position: relative;
  z-index: 1;
  max-width: 1160px;
  margin: 0 auto;
  padding: 40px 20px 80px;
  display: flex;
  flex-direction: column;
  gap: var(--privacy-gap);
}

/* ─── 侧边锚点导航 ─── */
.privacy-sidebar {
  position: relative;
  width: 100%;
}

.privacy-sidebar-inner {
  background: var(--privacy-glass-bg);
  border: 1px solid var(--privacy-glass-border);
  border-radius: var(--privacy-radius-card);
  padding: 20px 24px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.privacy-sidebar-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #FF6B35;
  margin-bottom: 16px;
}

.privacy-sidebar-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.privacy-sidebar-link {
  display: inline-block;
  font-size: 0.95rem;
  font-weight: 500;
  color: #A0AEC0;
  text-decoration: none;
  padding: 4px 0;
  position: relative;
  transition: color 0.25s ease;
  white-space: nowrap;
}

.privacy-sidebar-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: #FF6B35;
  transition: width 0.3s ease;
  border-radius: 2px;
}

.privacy-sidebar-link:hover,
.privacy-sidebar-link:focus-visible {
  color: #FFFFFF;
}

.privacy-sidebar-link:hover::after,
.privacy-sidebar-link:focus-visible::after {
  width: 100%;
}

.privacy-sidebar-link[data-active="true"],
.privacy-sidebar-link.active {
  color: #FF6B35;
}

.privacy-sidebar-link[data-active="true"]::after,
.privacy-sidebar-link.active::after {
  width: 100%;
  background: #FF6B35;
}

/* ─── 内容区 ─── */
.privacy-content {
  flex: 1;
  min-width: 0;
}

/* ─── 章节通用 ─── */
.privacy-section {
  margin-bottom: 64px;
  scroll-margin-top: 32px;
}

.privacy-section:last-child {
  margin-bottom: 0;
}

.privacy-section-header {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 107, 53, 0.15);
}

.privacy-section-number {
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1;
  color: #FF6B35;
  letter-spacing: -0.04em;
  flex-shrink: 0;
  font-feature-settings: "tnum";
}

.privacy-section-title {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 800;
  line-height: 1.2;
  margin: 0;
  color: #FFFFFF;
}

.privacy-section-body {
  padding-left: 0;
}

.privacy-section-lead {
  font-size: 1.1rem;
  font-weight: 400;
  color: #A0AEC0;
  line-height: 1.7;
  max-width: 680px;
  margin: 0 0 28px;
}

.privacy-section-note {
  font-size: 0.9rem;
  font-weight: 300;
  color: rgba(160, 174, 192, 0.7);
  line-height: 1.7;
  margin: 24px 0 0;
  padding: 16px 20px;
  background: rgba(139, 92, 246, 0.06);
  border-left: 3px solid rgba(139, 92, 246, 0.3);
  border-radius: 0 var(--privacy-radius-card) var(--privacy-radius-card) 0;
}

/* ─── 信息收集 - 卡片网格 ─── */
.privacy-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.privacy-card {
  background: var(--privacy-glass-bg);
  border: 1px solid var(--privacy-glass-border);
  border-radius: var(--privacy-radius-card);
  padding: 24px 20px;
  transition: background 0.25s ease, transform 0.2s ease;
}

.privacy-card:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: translateY(-2px);
}

.privacy-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  font-size: 1.4rem;
  background: var(--privacy-accent-dim);
  border-radius: 10px;
  margin-bottom: 12px;
}

.privacy-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 6px;
  color: #FFFFFF;
}

.privacy-card-text {
  font-size: 0.9rem;
  font-weight: 300;
  color: #A0AEC0;
  line-height: 1.6;
  margin: 0;
}

/* ─── 使用范围 - 列表 ─── */
.privacy-usage-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.privacy-usage-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 20px;
  background: var(--privacy-glass-bg);
  border: 1px solid var(--privacy-glass-border);
  border-radius: var(--privacy-radius-card);
  transition: background 0.25s ease;
}

.privacy-usage-item:hover {
  background: rgba(255, 255, 255, 0.08);
}

.privacy-usage-marker {
  flex-shrink: 0;
  color: #FF6B35;
  font-size: 0.9rem;
  line-height: 1.6;
  padding-top: 2px;
}

.privacy-usage-item div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.privacy-usage-item strong {
  font-size: 1rem;
  font-weight: 700;
  color: #FFFFFF;
}

.privacy-usage-item span {
  font-size: 0.9rem;
  font-weight: 300;
  color: #A0AEC0;
  line-height: 1.6;
}

/* ─── 数据安全 - 网格 + 图片 ─── */
.privacy-security-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 32px;
}

.privacy-security-item {
  background: var(--privacy-glass-bg);
  border: 1px solid var(--privacy-glass-border);
  border-radius: var(--privacy-radius-card);
  padding: 20px 16px;
  text-align: center;
  transition: background 0.25s ease, transform 0.2s ease;
}

.privacy-security-item:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: translateY(-2px);
}

.privacy-security-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  font-size: 1.5rem;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.18), rgba(139, 92, 246, 0.15));
  border-radius: 12px;
  margin-bottom: 10px;
}

.privacy-security-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 4px;
  color: #FFFFFF;
}

.privacy-security-text {
  font-size: 0.82rem;
  font-weight: 300;
  color: #A0AEC0;
  line-height: 1.5;
  margin: 0;
}

.privacy-security-figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.privacy-security-img {
  width: 100%;
  max-width: 200px;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--privacy-glass-border);
  background: rgba(255, 255, 255, 0.03);
  object-fit: contain;
}

.privacy-security-caption {
  font-size: 0.8rem;
  font-weight: 300;
  color: rgba(160, 174, 192, 0.6);
  text-align: center;
}

/* ─── 用户权利 - 卡片 ─── */
.privacy-rights-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.privacy-rights-card {
  background: var(--privacy-glass-bg);
  border: 1px solid var(--privacy-glass-border);
  border-radius: var(--privacy-radius-card);
  padding: 20px 18px;
  position: relative;
  transition: background 0.25s ease, transform 0.2s ease;
}

.privacy-rights-card:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: translateY(-2px);
}

.privacy-rights-num {
  display: inline-block;
  font-size: 1.8rem;
  font-weight: 900;
  line-height: 1;
  color: rgba(255, 107, 53, 0.25);
  margin-bottom: 8px;
  font-feature-settings: "tnum";
}

.privacy-rights-title {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 4px;
  color: #FFFFFF;
}

.privacy-rights-text {
  font-size: 0.85rem;
  font-weight: 300;
  color: #A0AEC0;
  line-height: 1.5;
  margin: 0;
}

/* ─── 联系我们 ─── */
.privacy-contact-block {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 20px;
}

.privacy-contact-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 20px;
  background: var(--privacy-glass-bg);
  border: 1px solid var(--privacy-glass-border);
  border-radius: var(--privacy-radius-card);
}

.privacy-contact-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #FF6B35;
}

.privacy-contact-link {
  font-size: 1.05rem;
  font-weight: 600;
  color: #FFFFFF;
  text-decoration: none;
  transition: color 0.2s ease;
}

.privacy-contact-link:hover,
.privacy-contact-link:focus-visible {
  color: #FF6B35;
}

.privacy-contact-value {
  font-size: 1.05rem;
  font-weight: 500;
  color: #FFFFFF;
}

.privacy-contact-note {
  font-size: 0.8rem;
  font-weight: 300;
  color: rgba(160, 174, 192, 0.7);
}

.privacy-inline-link {
  color: #FF6B35;
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.privacy-inline-link:hover,
.privacy-inline-link:focus-visible {
  color: #E55A2B;
  border-bottom-color: rgba(229, 90, 43, 0.3);
}

/* ─── 响应式 - 平板及以上 ─── */
@media (min-width: 768px) {
  .privacy-hero {
    padding: 80px 40px 56px;
  }

  .privacy-layout {
    flex-direction: row;
    align-items: flex-start;
    padding: 48px 40px 100px;
    gap: 48px;
  }

  .privacy-sidebar {
    width: var(--privacy-sidebar-width);
    flex-shrink: 0;
    position: sticky;
    top: 32px;
  }

  .privacy-sidebar-inner {
    padding: 24px 20px;
  }

  .privacy-sidebar-list {
    flex-direction: column;
    gap: 4px;
  }

  .privacy-sidebar-link {
    white-space: normal;
    font-size: 0.9rem;
    padding: 8px 12px;
    border-radius: 8px;
    width: 100%;
    transition: background 0.2s ease, color 0.2s ease;
  }

  .privacy-sidebar-link::after {
    display: none;
  }

  .privacy-sidebar-link:hover,
  .privacy-sidebar-link:focus-visible {
    background: rgba(255, 255, 255, 0.06);
    color: #FFFFFF;
  }

  .privacy-sidebar-link[data-active="true"],
  .privacy-sidebar-link.active {
    background: var(--privacy-accent-dim);
    color: #FF6B35;
    border-left: 3px solid #FF6B35;
    padding-left: 9px;
  }

  .privacy-content {
    max-width: var(--privacy-content-max);
  }

  .privacy-section {
    margin-bottom: 80px;
  }

  .privacy-section-body {
    padding-left: 0;
  }

  .privacy-card-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
  }

  .privacy-security-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .privacy-rights-cards {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .privacy-contact-block {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .privacy-contact-item {
    flex: 1;
    min-width: 200px;
  }

  .privacy-section-number {
    font-size: 3.2rem;
  }

  .privacy-section-title {
    font-size: 1.8rem;
  }
}

/* ─── 桌面大屏优化 ─── */
@media (min-width: 1024px) {
  .privacy-hero {
    padding: 100px 40px 64px;
  }

  .privacy-hero-title {
    font-size: 4rem;
  }

  .privacy-layout {
    gap: 64px;
  }

  .privacy-section {
    margin-bottom: 96px;
  }

  .privacy-card-grid {
    gap: 24px;
  }

  .privacy-security-grid {
    gap: 20px;
  }

  .privacy-rights-cards {
    gap: 20px;
  }

  .privacy-section-number {
    font-size: 3.6rem;
  }
}

/* ─── 小屏微调 ─── */
@media (max-width: 420px) {
  .privacy-hero {
    padding: 40px 16px 32px;
  }

  .privacy-hero-title {
    font-size: 2rem;
  }

  .privacy-layout {
    padding: 24px 16px 60px;
  }

  .privacy-section {
    margin-bottom: 48px;
  }

  .privacy-section-header {
    gap: 12px;
  }

  .privacy-section-number {
    font-size: 2.2rem;
  }

  .privacy-section-title {
    font-size: 1.3rem;
  }

  .privacy-card-grid,
  .privacy-security-grid,
  .privacy-rights-cards {
    grid-template-columns: 1fr;
  }

  .privacy-security-item {
    padding: 16px;
  }

  .privacy-rights-card {
    padding: 16px;
  }
}