.page-privacy {
  --privacy-cell-bg: rgba(15, 42, 74, 0.6);
  --privacy-line-soft: rgba(42, 74, 107, 0.55);
  --privacy-accent-glow: rgba(255, 107, 53, 0.14);
  --privacy-mono-size: 12px;
}

/* hero 首屏区 */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--grid-line);
  padding: 28px 0 40px;
  background:
    linear-gradient(90deg, rgba(42, 74, 107, 0.16) 1px, transparent 1px),
    linear-gradient(rgba(42, 74, 107, 0.16) 1px, transparent 1px),
    linear-gradient(135deg, var(--grad-start), var(--grad-end));
  background-size: 28px 28px, 28px 28px, 100% 100%;
}

.page-privacy .privacy-hero .breadcrumb {
  margin-bottom: 28px;
}

.page-privacy .privacy-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
}

.page-privacy .privacy-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--privacy-mono-size);
  letter-spacing: 0.16em;
  color: var(--accent);
}

.page-privacy .privacy-eyebrow::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--accent);
}

.page-privacy .privacy-hero-copy h1 {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: clamp(32px, 6vw, 48px);
  font-weight: 700;
  line-height: 1.14;
  color: var(--text-primary);
}

.page-privacy .privacy-lead {
  max-width: 640px;
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-secondary);
}

.page-privacy .privacy-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-privacy .privacy-hero-tags .tag {
  padding: 4px 10px;
  border: 1px solid var(--privacy-line-soft);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
}

.page-privacy .privacy-emblem {
  margin: 0;
  justify-self: center;
}

.page-privacy .privacy-emblem img {
  display: block;
  width: 160px;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  padding: 8px;
  border: 1px solid var(--grid-line);
  background: var(--bg-secondary);
  box-shadow: 8px 8px 0 rgba(255, 107, 53, 0.12);
}

.page-privacy .privacy-hero-state {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 26px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  white-space: nowrap;
  color: var(--text-secondary);
}

.page-privacy .state-led {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: privacy-pulse 2.2s ease-in-out infinite;
}

@keyframes privacy-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* 主内容外壳 */
.page-privacy .privacy-body {
  padding: 36px 0 64px;
}

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: start;
}

/* 左侧目录索引 */
.page-privacy .privacy-index {
  border: 1px solid var(--grid-line);
  background: var(--bg-secondary);
  padding: 20px 20px 16px;
}

.page-privacy .privacy-index-title {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--grid-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
}

.page-privacy .privacy-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: privIdx;
}

.page-privacy .privacy-index-list li {
  border-bottom: 1px solid rgba(42, 74, 107, 0.4);
}

.page-privacy .privacy-index-list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 4px;
  font-size: 15px;
  line-height: 1.3;
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--ease), background var(--ease), padding-left var(--ease);
}

.page-privacy .privacy-index-list a::before {
  content: counter(privIdx, decimal-leading-zero);
  counter-increment: privIdx;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
}

.page-privacy .privacy-index-list a:hover,
.page-privacy .privacy-index-list a:focus-visible {
  padding-left: 8px;
  background: var(--privacy-accent-glow);
  color: var(--accent-light);
}

.page-privacy .privacy-related {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--grid-line);
}

.page-privacy .privacy-related-title {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
}

.page-privacy .privacy-related-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .privacy-related-list a {
  display: block;
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--ease), transform var(--ease);
}

.page-privacy .privacy-related-list a:hover,
.page-privacy .privacy-related-list a:focus-visible {
  transform: translateX(3px);
  color: var(--accent-light);
}

/* 右侧正文 */
.page-privacy .privacy-content {
  min-width: 0;
}

.page-privacy .privacy-section {
  margin-bottom: 40px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--grid-line);
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-privacy .privacy-section-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.page-privacy .privacy-section-head .heading-index {
  padding: 3px 8px 2px;
  border: 1px solid var(--accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
}

.page-privacy .privacy-section-head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 700;
  color: var(--text-primary);
}

.page-privacy .privacy-section p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.page-privacy .privacy-section-lead {
  font-size: 16px;
  color: var(--text-primary);
}

/* 可折叠详情组 */
.page-privacy .privacy-details {
  margin: 0 0 12px;
  border: 1px solid var(--grid-line);
  background: var(--privacy-cell-bg);
}

.page-privacy .privacy-details summary {
  position: relative;
  padding: 16px 52px 16px 38px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.4;
  color: var(--text-primary);
  transition: background var(--ease);
}

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

.page-privacy .privacy-details summary::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.page-privacy .privacy-details summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--accent);
}

.page-privacy .privacy-details[open] summary::after {
  content: "−";
}

.page-privacy .privacy-details summary:hover,
.page-privacy .privacy-details summary:focus-visible {
  background: var(--privacy-accent-glow);
}

.page-privacy .privacy-details > :not(summary) {
  margin: 0;
  padding: 0 20px 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-secondary);
}

/* 信任声明 */
.page-privacy .privacy-trust-strip {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  padding: 14px 18px;
  border: 1px solid var(--grid-line);
  border-left: 4px solid var(--accent);
  background: var(--bg-surface);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-primary);
}

.page-privacy .trust-dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--privacy-accent-glow);
}

/* 安全认证面板 */
.page-privacy .privacy-cert-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 18px;
}

.page-privacy .cert-cell {
  position: relative;
  padding: 18px 18px 18px 22px;
  border: 1px solid var(--grid-line);
  background: var(--bg-secondary);
}

.page-privacy .cert-cell::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  background: var(--accent);
}

.page-privacy .cert-cell code {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.page-privacy .cert-name {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  color: var(--text-primary);
}

.page-privacy .cert-cell p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* 联系方式卡片 */
.page-privacy .privacy-contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 8px;
}

.page-privacy .contact-cell {
  padding: 18px;
  border: 1px solid var(--grid-line);
  background: var(--bg-secondary);
}

.page-privacy .contact-cell .coord-label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
}

.page-privacy .contact-cell .contact-value {
  display: block;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-primary);
  word-break: break-word;
}

.page-privacy .contact-cell .contact-tip {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-secondary);
}

/* 尾部链接说明 */
.page-privacy .privacy-related-note {
  margin-top: 22px;
  padding: 16px 20px;
  border: 1px dashed var(--grid-line);
  background: var(--privacy-cell-bg);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.page-privacy .privacy-related-note p {
  margin: 0;
}

.page-privacy .privacy-related-note a {
  border-bottom: 1px solid rgba(255, 107, 53, 0.4);
  color: var(--accent);
  text-decoration: none;
  transition: border-color var(--ease);
}

.page-privacy .privacy-related-note a:hover {
  border-color: var(--accent);
}

/* 小屏及以上 */
@media (min-width: 600px) {
  .page-privacy .privacy-hero-grid {
    min-height: 320px;
  }
}

@media (min-width: 768px) {
  .page-privacy .privacy-cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-privacy .privacy-contact-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 桌面布局 */
@media (min-width: 1024px) {
  .page-privacy .privacy-hero {
    padding: 36px 0 64px;
    background-size: 36px 36px, 36px 36px, 100% 100%;
  }

  .page-privacy .privacy-hero-grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 64px;
  }

  .page-privacy .privacy-hero-copy h1 {
    font-size: 48px;
  }

  .page-privacy .privacy-lead {
    font-size: 18px;
  }

  .page-privacy .privacy-emblem {
    justify-self: end;
  }

  .page-privacy .privacy-emblem img {
    width: 280px;
  }

  .page-privacy .privacy-hero-state {
    position: absolute;
    right: max(24px, calc((100vw - var(--container-max)) / 2 + 24px));
    bottom: 18px;
    margin-top: 0;
  }

  .page-privacy .privacy-body {
    padding: 56px 0 80px;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 48px;
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-privacy .privacy-index-list a {
    font-size: 14px;
  }
}

/* 动效偏好 */
@media (prefers-reduced-motion: reduce) {
  .page-privacy *,
  .page-privacy *::before,
  .page-privacy *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}