.page-privacy {
  --privacy-border-soft: rgba(30, 58, 110, 0.1);
  --privacy-accent-tint: rgba(255, 107, 0, 0.08);
  --privacy-deco-ring: rgba(255, 107, 0, 0.16);
  background-color: var(--color-bg);
  color: var(--color-text);
}

/* ===== Hero ===== */
.page-privacy__hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    radial-gradient(circle at 84% 18%, rgba(255, 107, 0, 0.24), transparent 32%),
    linear-gradient(140deg, #0A1A3F 0%, #1E3A6E 100%);
  background-size: 44px 44px, 44px 44px, auto, auto;
}

.page-privacy__hero::after {
  content: "";
  position: absolute;
  right: -90px;
  top: 22%;
  width: 220px;
  height: 220px;
  border: 42px solid var(--privacy-deco-ring);
  border-radius: 50%;
  pointer-events: none;
}

.page-privacy__hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.page-privacy__crumb-sep {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-weight: 700;
}

.page-privacy__hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.page-privacy__hero-media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.28);
  position: relative;
}

.page-privacy__hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.14);
  pointer-events: none;
}

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

/* ===== 文档布局 ===== */
.page-privacy__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
  align-items: start;
}

/* ===== 侧边目录 ===== */
.page-privacy__toc {
  background: var(--color-white);
  border: 1px solid var(--privacy-border-soft);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.page-privacy__toc-heading {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  margin: 0 0 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--privacy-border-soft);
}

.page-privacy__toc-nav {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  gap: 0.5rem;
  padding-bottom: 0.25rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-privacy__toc-link {
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  background: var(--color-bg);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

.page-privacy__toc-cta {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  color: var(--color-white);
}

.page-privacy__toc-cta-title {
  font-family: var(--font-display);
  font-size: 1rem;
  margin: 0 0 0.25rem;
}

.page-privacy__toc-cta p {
  font-size: 0.8125rem;
  color: var(--color-text-on-dark);
  margin: 0 0 0.75rem;
  line-height: 1.6;
}

/* ===== 章节卡片 ===== */
.page-privacy__content {
  min-width: 0;
}

.page-privacy__chapter {
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  margin-bottom: 1.5rem;
  border: 1px solid var(--privacy-border-soft);
  box-shadow: var(--shadow-sm);
  scroll-margin-top: calc(var(--header-height) + 24px);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.page-privacy__chapter::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent) 0%, rgba(255, 107, 0, 0.08) 46%, transparent 100%);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.page-privacy__chapter:target {
  border-color: var(--color-accent);
  box-shadow: 0 6px 24px rgba(255, 107, 0, 0.18);
}

.page-privacy__chapter:target::before {
  background: var(--color-accent);
}

.page-privacy__chapter-head {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--privacy-border-soft);
}

.page-privacy__chapter-head .section-title {
  margin: 0;
}

.page-privacy__chapter-index {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-accent);
  background: var(--privacy-accent-tint);
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-pill);
  flex-shrink: 0;
}

.page-privacy__chapter-sub {
  font-size: 0.9375rem;
  color: var(--color-text-soft);
  margin: 0.2rem 0 0;
}

.page-privacy__chapter-body > p {
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 1rem;
}

/* ===== 列表 ===== */
.page-privacy__list {
  list-style: none;
  padding: 0.5rem 0 0.5rem 1rem;
}

.page-privacy__list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 1rem;
}

.page-privacy__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--color-accent);
  transform: rotate(45deg);
}

.page-privacy__list strong {
  display: block;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.page-privacy__list p {
  font-size: 0.9375rem;
  line-height: 1.75;
  margin: 0;
}

/* ===== 数据事实格 ===== */
.page-privacy__fact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.875rem;
  margin: 1.5rem 0;
}

.page-privacy__fact-card {
  position: relative;
  overflow: hidden;
  background: var(--color-bg);
  border: 1px solid var(--privacy-border-soft);
  border-radius: var(--radius-md);
  padding: 1.25rem 1rem;
  text-align: center;
}

.page-privacy__fact-card::after {
  content: "";
  position: absolute;
  right: -20px;
  bottom: -20px;
  width: 60px;
  height: 60px;
  border: 12px solid var(--privacy-deco-ring);
  border-radius: 50%;
  pointer-events: none;
}

.page-privacy__fact-num {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1;
  color: var(--color-accent);
}

.page-privacy__fact-num small {
  font-size: 0.7em;
  margin-left: 2px;
}

.page-privacy__fact-label {
  display: block;
  margin-top: 0.375rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-soft);
}

/* ===== 网格功能列表 ===== */
.page-privacy__grid-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 1.25rem 0;
}

.page-privacy__grid-list li {
  background: var(--color-bg);
  border: 1px solid var(--privacy-border-soft);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.page-privacy__grid-list li:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.page-privacy__grid-num {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-accent);
}

.page-privacy__grid-list h3 {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0.5rem 0 0.375rem;
}

.page-privacy__grid-list p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-text);
  margin: 0;
}

/* ===== 折叠条款 ===== */
.page-privacy__details {
  margin: 1.25rem 0;
  border: 1px solid var(--privacy-border-soft);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  padding: 0.5rem 1rem;
}

.page-privacy__details summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--color-primary);
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

.page-privacy__details[open] summary {
  color: var(--color-accent);
}

.page-privacy__details p {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--color-text);
  padding-bottom: 0.75rem;
  margin: 0;
}

/* ===== 强调说明块 ===== */
.page-privacy__notice {
  background: var(--privacy-accent-tint);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1rem 1.25rem;
  margin-top: 1rem;
}

.page-privacy__notice p {
  margin: 0;
  line-height: 1.75;
  font-size: 0.9375rem;
}

/* ===== 安全团队块 ===== */
.page-privacy__security-block {
  position: relative;
  overflow: hidden;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  color: var(--color-white);
  margin-top: 1.25rem;
}

.page-privacy__security-block::after {
  content: "";
  position: absolute;
  right: -30px;
  top: -30px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 20px solid var(--privacy-deco-ring);
  pointer-events: none;
}

.page-privacy__security-title {
  position: relative;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--color-accent-soft);
  margin: 0 0 0.375rem;
}

.page-privacy__security-block p:last-child {
  position: relative;
  z-index: 1;
  margin: 0;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9375rem;
  line-height: 1.75;
}

/* ===== 用户权利 ===== */
.page-privacy__rights-list {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0;
}

.page-privacy__rights-list li {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.625rem 0;
  border-bottom: 1px dashed var(--privacy-border-soft);
  font-size: 0.9375rem;
}

.page-privacy__rights-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-pill);
  padding: 0.25rem 0.75rem;
  display: inline-block;
  white-space: nowrap;
}

/* ===== 联系信息 ===== */
.page-privacy__contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem 1rem;
  margin-bottom: 1.25rem;
}

.page-privacy__contact-item {
  background: var(--color-bg);
  border: 1px solid var(--privacy-border-soft);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
}

.page-privacy__contact-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.375rem;
}

.page-privacy__contact-item p {
  margin: 0;
  font-weight: 500;
  color: var(--color-primary);
  word-break: break-word;
}

.page-privacy__contact-note {
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

.page-privacy__chapter--contact .btn {
  margin-top: 0.5rem;
}

/* ===== 底部信任条 ===== */
.page-privacy__trust-strip {
  position: relative;
  overflow: hidden;
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--section-space) 0;
}

.page-privacy__trust-strip::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), rgba(255, 107, 0, 0.08));
}

.page-privacy__trust-strip .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  text-align: center;
}

.page-privacy__trust-strip p {
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.8;
  max-width: 720px;
  color: rgba(255, 255, 255, 0.85);
}

/* ===== 桌面端断点 ===== */
@media (min-width: 640px) {
  .page-privacy__fact-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-privacy__grid-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-privacy__rights-list li {
    display: grid;
    grid-template-columns: 72px 1fr;
    align-items: center;
  }

  .page-privacy__contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 920px) {
  .page-privacy__hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-privacy__layout {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-privacy__toc {
    position: sticky;
    top: calc(var(--header-height) + 24px);
  }

  .page-privacy__toc-nav {
    flex-direction: column;
    overflow: visible;
    gap: 0.125rem;
    padding-bottom: 0;
  }

  .page-privacy__toc-link {
    background: none;
    border-radius: var(--radius-sm);
    border-left: 3px solid transparent;
    white-space: normal;
    padding: 0.5rem 0.75rem;
  }

  .page-privacy__toc-link:hover {
    border-left-color: var(--color-accent);
  }

  .page-privacy__trust-strip .container {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}