.page-privacy {
  --privacy-gold: #FFD700;
  --privacy-red: #E53935;
  --privacy-blue: #1565C0;
  --privacy-card-bg: #1A1A2E;
  --privacy-bg: #0D0D1A;
  --privacy-text: #EAEAEA;
  --privacy-muted: #9E9E9E;
  --privacy-border: #FFD700;
  --privacy-radius: 12px;
  --privacy-transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --privacy-font-mono: 'PT Mono', 'Courier New', monospace;
  --privacy-font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;

  background: var(--privacy-bg);
  color: var(--privacy-text);
  font-family: var(--privacy-font-body);
  line-height: 1.7;
  padding: 0 1rem 3rem;
  min-height: 100vh;
}

/* 容器 */
.page-privacy .container {
  max-width: 1120px;
  margin: 0 auto;
}

/* 面包屑 */
.page-privacy .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1.5rem 0 0.5rem;
  font-size: 0.85rem;
  color: var(--privacy-muted);
  letter-spacing: 0.02em;
}

.page-privacy .breadcrumb a {
  color: var(--privacy-gold);
  text-decoration: none;
  transition: opacity var(--privacy-transition);
}

.page-privacy .breadcrumb a:hover {
  opacity: 0.75;
}

.page-privacy .breadcrumb .sep {
  color: var(--privacy-muted);
  font-family: var(--privacy-font-mono);
}

.page-privacy .breadcrumb [aria-current="page"] {
  color: var(--privacy-text);
  font-weight: 600;
}

/* 框景首屏 */
.page-privacy .policy-summary {
  position: relative;
  border: 3px solid var(--privacy-border);
  border-radius: var(--privacy-radius);
  padding: 2rem 1.5rem 1.5rem;
  margin: 1.5rem 0 2.5rem;
  background: var(--privacy-card-bg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6), inset 0 0 0 1px rgba(255, 215, 0, 0.15);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}

.page-privacy .summary-badge {
  display: inline-block;
  background: var(--privacy-red);
  color: #fff;
  font-family: var(--privacy-font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 0.25rem 0.9rem;
  border-radius: 4px;
  text-transform: uppercase;
}

.page-privacy .summary-heading {
  font-family: 'Montserrat', 'PingFang SC', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1.2;
  margin: 0;
  color: var(--privacy-text);
  letter-spacing: -0.01em;
}

.page-privacy .summary-heading .gold-em {
  color: var(--privacy-gold);
  font-style: italic;
  text-shadow: 0 0 12px rgba(255, 215, 0, 0.3);
}

.page-privacy .summary-text {
  font-size: 1rem;
  color: var(--privacy-text);
  max-width: 720px;
  margin: 0;
  opacity: 0.92;
}

.page-privacy .summary-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--privacy-muted);
  font-family: var(--privacy-font-mono);
}

.page-privacy .summary-meta .gold-divider {
  width: 2px;
  height: 1em;
  background: var(--privacy-gold);
  display: inline-block;
}

.page-privacy .summary-fig {
  width: 100%;
  max-width: 600px;
  height: auto;
  border-radius: 8px;
  border: 1px solid rgba(255, 215, 0, 0.25);
  margin-top: 0.5rem;
  object-fit: cover;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

/* 条款索引导轨 */
.page-privacy .clause-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  padding: 0.25rem 0;
}

.page-privacy .rail-item {
  display: inline-block;
  font-family: var(--privacy-font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--privacy-text);
  background: var(--privacy-card-bg);
  border: 2px solid rgba(255, 215, 0, 0.3);
  border-radius: 6px;
  padding: 0.4rem 1rem;
  text-decoration: none;
  transition: all var(--privacy-transition);
  letter-spacing: 0.04em;
}

.page-privacy .rail-item:hover,
.page-privacy .rail-item:focus {
  border-color: var(--privacy-gold);
  background: rgba(255, 215, 0, 0.08);
  color: var(--privacy-gold);
  outline: none;
}

/* Bento 网格 */
.page-privacy .clauses-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

/* 条款卡片 */
.page-privacy .clause-card {
  background: var(--privacy-card-bg);
  border: 2px solid rgba(255, 215, 0, 0.2);
  border-radius: var(--privacy-radius);
  overflow: hidden;
  transition: border-color var(--privacy-transition);
  cursor: default;
}

.page-privacy .clause-card:hover {
  border-color: rgba(255, 215, 0, 0.5);
}

.page-privacy .clause-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 1.25rem 0.75rem;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.page-privacy .clause-num {
  font-family: var(--privacy-font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--privacy-gold);
  line-height: 1;
  min-width: 3rem;
  letter-spacing: 0.05em;
}

.page-privacy .clause-title {
  font-family: 'Montserrat', 'PingFang SC', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
  color: var(--privacy-text);
  flex: 1;
}

.page-privacy .toggle-icon {
  font-family: var(--privacy-font-mono);
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--privacy-gold);
  transition: transform var(--privacy-transition);
  line-height: 1;
}

/* 展开状态 */
.page-privacy .clause-card[data-expanded] .toggle-icon {
  transform: rotate(45deg);
}

.page-privacy .clause-body {
  padding: 0 1.25rem 1.25rem;
  display: none;
  animation: clauseFadeIn 0.35s ease-out;
}

.page-privacy .clause-card[data-expanded] .clause-body {
  display: block;
}

@keyframes clauseFadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 条款正文 */
.page-privacy .clause-body p {
  margin: 0.6rem 0;
  font-size: 0.95rem;
  color: var(--privacy-text);
  opacity: 0.9;
}

.page-privacy .clause-list {
  list-style: none;
  padding: 0;
  margin: 0.8rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.page-privacy .clause-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.95rem;
  color: var(--privacy-text);
  opacity: 0.88;
  line-height: 1.6;
}

.page-privacy .clause-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--privacy-gold);
  font-weight: 700;
}

.page-privacy .clause-list .gold-em {
  color: var(--privacy-gold);
  font-weight: 600;
}

.page-privacy .clause-note {
  font-size: 0.85rem;
  color: var(--privacy-muted);
  border-left: 3px solid var(--privacy-gold);
  padding-left: 1rem;
  margin-top: 0.8rem;
  font-style: italic;
}

/* 存储网格（条款二内嵌） */
.page-privacy .store-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin: 0.8rem 0;
}

.page-privacy .store-item {
  background: rgba(13, 13, 26, 0.6);
  border: 1px solid rgba(255, 215, 0, 0.12);
  border-radius: 8px;
  padding: 0.9rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.page-privacy .store-label {
  font-family: var(--privacy-font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--privacy-gold);
  letter-spacing: 0.06em;
}

.page-privacy .store-item p {
  margin: 0;
  font-size: 0.9rem;
  opacity: 0.85;
}

/* 联系信息 */
.page-privacy .contact-inline {
  color: var(--privacy-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity var(--privacy-transition);
}

.page-privacy .contact-inline:hover {
  opacity: 0.75;
}

.page-privacy .contact-dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 1rem;
  margin: 0.8rem 0;
  font-size: 0.95rem;
}

.page-privacy .contact-dl dt {
  font-family: var(--privacy-font-mono);
  font-weight: 600;
  color: var(--privacy-gold);
  opacity: 0.9;
  white-space: nowrap;
}

.page-privacy .contact-dl dd {
  margin: 0;
  color: var(--privacy-text);
  opacity: 0.88;
  word-break: break-all;
}

.page-privacy .contact-dl a {
  color: var(--privacy-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 底部承诺条 */
.page-privacy .commitment-strip {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.5rem 1.25rem;
  margin-top: 1.5rem;
  border-top: 2px solid rgba(255, 215, 0, 0.2);
  font-size: 0.9rem;
  color: var(--privacy-muted);
}

.page-privacy .commitment-strip .mono-index {
  font-family: var(--privacy-font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--privacy-gold);
  letter-spacing: 0.08em;
}

.page-privacy .commitment-strip .gold-divider {
  width: 2px;
  height: 1.2em;
  background: var(--privacy-gold);
  display: inline-block;
  opacity: 0.5;
}

.page-privacy .commitment-strip p {
  margin: 0;
  flex: 1;
  min-width: 200px;
}

.page-privacy .commitment-strip .gold-em {
  color: var(--privacy-gold);
  font-weight: 600;
}

/* 返回顶部按钮 */
.page-privacy .back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--privacy-gold);
  background: var(--privacy-card-bg);
  color: var(--privacy-gold);
  font-size: 1.4rem;
  font-family: var(--privacy-font-mono);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--privacy-transition);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.6);
  opacity: 0;
  pointer-events: none;
  z-index: 100;
  line-height: 1;
}

.page-privacy .back-to-top[data-visible] {
  opacity: 1;
  pointer-events: auto;
}

.page-privacy .back-to-top:hover,
.page-privacy .back-to-top:focus {
  background: var(--privacy-gold);
  color: var(--privacy-bg);
  outline: none;
  transform: scale(1.08);
}

/* 桌面端布局 */
@media (min-width: 768px) {
  .page-privacy {
    padding: 0 2rem 4rem;
  }

  .page-privacy .policy-summary {
    padding: 2.5rem 2.5rem 2rem;
    margin: 2rem 0 3rem;
  }

  .page-privacy .summary-heading {
    font-size: 2.4rem;
  }

  .page-privacy .summary-text {
    font-size: 1.1rem;
  }

  .page-privacy .clauses-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .page-privacy .clause-card:nth-child(3) {
    grid-column: 1 / -1;
  }

  .page-privacy .clause-header {
    padding: 1.5rem 1.5rem 0.75rem;
  }

  .page-privacy .clause-body {
    padding: 0 1.5rem 1.5rem;
  }

  .page-privacy .clause-num {
    font-size: 1.8rem;
    min-width: 3.5rem;
  }

  .page-privacy .clause-title {
    font-size: 1.35rem;
  }

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

  .page-privacy .commitment-strip {
    padding: 1.5rem 2rem;
    font-size: 1rem;
  }

  .page-privacy .back-to-top {
    bottom: 2.5rem;
    right: 2.5rem;
    width: 52px;
    height: 52px;
    font-size: 1.6rem;
  }

  .page-privacy .clause-rail {
    gap: 0.75rem;
    margin-bottom: 3rem;
  }

  .page-privacy .rail-item {
    font-size: 0.85rem;
    padding: 0.5rem 1.2rem;
  }
}

@media (min-width: 1024px) {
  .page-privacy .clauses-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-privacy .clause-card:nth-child(3) {
    grid-column: 1 / -1;
  }

  .page-privacy .clause-card:nth-child(4) {
    grid-column: 1 / -1;
  }

  .page-privacy .policy-summary {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .page-privacy .summary-fig {
    width: 50%;
    margin-top: 0;
  }

  .page-privacy .summary-text {
    width: 100%;
  }
}