/* ===== 页面专属：隐私政策页 .page-privacy ===== */
.page-privacy {
  --privacy-gold-line: linear-gradient(90deg, transparent, #d4af37 20%, #f0e68c 50%, #d4af37 80%, transparent);
  --privacy-glow: 0 0 6px rgba(57, 255, 20, 0.25);
  --privacy-card-bg: #2a1a4e;
  --privacy-card-border: rgba(212, 175, 55, 0.25);
  --privacy-icon-filter: drop-shadow(0 0 8px rgba(57, 255, 20, 0.5));

  position: relative;
  min-height: 100vh;
  padding: 2rem 1rem 4rem;
  background-color: var(--color-bg, #1a0a2e);
  color: var(--color-text, #f0f0f0);
  font-family: var(--font-body, 'Inter', -apple-system, 'PingFang SC', sans-serif);
  line-height: 1.7;
  overflow-x: hidden;
}

/* 极淡电路网格纹理（背景装饰） */
.page-privacy::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 1px, rgba(212, 175, 55, 0.025) 1px, rgba(212, 175, 55, 0.025) 2px),
    repeating-linear-gradient(90deg, transparent, transparent 1px, rgba(212, 175, 55, 0.025) 1px, rgba(212, 175, 55, 0.025) 2px);
  pointer-events: none;
  z-index: 0;
}

/* 所有内容位于纹理之上 */
.page-privacy > * {
  position: relative;
  z-index: 1;
}

/* ----- 容器 ----- */
.page-privacy .privacy-container {
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding: 0 var(--space-sm, 1rem);
}

/* ----- 面包屑 ----- */
.page-privacy .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: var(--space-md, 2rem);
  font-size: 0.85rem;
  font-family: var(--font-accent, 'Orbitron', monospace);
  letter-spacing: 0.04em;
  color: rgba(245, 230, 163, 0.7);
}

.page-privacy .breadcrumb a {
  color: var(--color-gold, #f5e6a3);
  text-decoration: none;
  transition: color 0.2s, text-shadow 0.2s;
}

.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible {
  color: var(--color-accent, #39ff14);
  text-shadow: var(--privacy-glow);
}

.page-privacy .breadcrumb-sep {
  color: var(--color-accent, #39ff14);
  font-size: 0.55rem;
  opacity: 0.7;
}

/* ----- 页面头部（锁图标 + 标题） ----- */
.page-privacy .privacy-head {
  display: flex;
  align-items: center;
  gap: var(--space-md, 2rem);
  margin-bottom: var(--space-lg, 4rem);
  padding-bottom: var(--space-md, 2rem);
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
  position: relative;
}

.page-privacy .privacy-head::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100px;
  height: 2px;
  background: var(--privacy-gold-line);
  border-radius: 1px;
}

.page-privacy .privacy-head-icon {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(42, 26, 78, 0.7);
  border-radius: 50%;
  filter: var(--privacy-icon-filter);
  transition: filter 0.3s;
}

.page-privacy .privacy-head-icon:hover {
  filter: drop-shadow(0 0 14px rgba(57, 255, 20, 0.8));
}

.page-privacy .privacy-icon-img {
  width: 60px;
  height: 60px;
  object-fit: contain;
  display: block;
}

.page-privacy .privacy-head-text {
  flex: 1;
  min-width: 0;
}

.page-privacy .privacy-title {
  margin: 0 0 0.2rem;
  font-family: var(--font-heading, 'Montserrat', -apple-system, 'PingFang SC', sans-serif);
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--color-title, #f5e6a3);
  background: var(--color-grad, linear-gradient(135deg, #d4af37, #f0e68c));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 12px rgba(212, 175, 37, 0.25);
  letter-spacing: 0.02em;
}

.page-privacy .privacy-subtitle {
  margin: 0;
  font-size: clamp(0.95rem, 1.8vw, 1.15rem);
  color: rgba(240, 240, 240, 0.7);
  font-weight: 300;
  letter-spacing: 0.06em;
}

/* ----- 介绍段落 ----- */
.page-privacy .privacy-intro {
  max-width: 780px;
  margin: 0 auto var(--space-xl, 8rem);
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  color: var(--color-text, #f0f0f0);
  font-weight: 300;
  text-align: center;
  line-height: 1.8;
  padding: 0 var(--space-sm, 1rem);
  opacity: 0;
  animation: privacyFadeUp 0.7s ease 0.1s forwards;
}

/* ----- 政策章节（展览说明牌） ----- */
.page-privacy .policy-section {
  margin: 0 auto 1.5rem;
  max-width: 860px;
  opacity: 0;
  animation: privacyFadeUp 0.6s ease forwards;
}

.page-privacy .policy-section:nth-of-type(1) { animation-delay: 0.15s; }
.page-privacy .policy-section:nth-of-type(2) { animation-delay: 0.25s; }
.page-privacy .policy-section:nth-of-type(3) { animation-delay: 0.35s; }
.page-privacy .policy-section:nth-of-type(4) { animation-delay: 0.45s; }
.page-privacy .policy-section:nth-of-type(5) { animation-delay: 0.55s; }
.page-privacy .policy-section:nth-of-type(6) { animation-delay: 0.65s; }

@keyframes privacyFadeUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ----- details / summary 卡片样式 ----- */
.page-privacy .policy-details {
  background: var(--privacy-card-bg, #2a1a4e);
  border: 1px solid var(--privacy-card-border, rgba(212, 175, 55, 0.25));
  border-radius: var(--border-radius, 8px);
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.page-privacy .policy-details[open] {
  border-color: rgba(212, 175, 55, 0.5);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(212, 175, 55, 0.08);
}

.page-privacy .policy-summary {
  display: flex;
  align-items: center;
  gap: var(--space-sm, 1rem);
  padding: var(--space-md, 2rem) var(--space-md, 2rem);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background 0.25s;
  position: relative;
}

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

.page-privacy .policy-summary:hover {
  background: rgba(212, 175, 55, 0.05);
}

.page-privacy .policy-summary:focus-visible {
  outline: 2px solid var(--color-accent, #39ff14);
  outline-offset: -2px;
  border-radius: var(--border-radius, 8px);
}

.page-privacy .policy-num {
  font-family: var(--font-accent, 'Orbitron', monospace);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent, #39ff14);
  letter-spacing: 0.1em;
  opacity: 0.8;
  flex-shrink: 0;
  min-width: 2rem;
}

.page-privacy .policy-heading {
  flex: 1;
  margin: 0;
  font-family: var(--font-heading, 'Montserrat', -apple-system, 'PingFang SC', sans-serif);
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 600;
  color: var(--color-title, #f5e6a3);
  letter-spacing: 0.03em;
  line-height: 1.3;
}

.page-privacy .policy-toggle {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--color-gold, #f5e6a3);
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 50%;
  transition: transform 0.3s, background 0.3s, border-color 0.3s;
  background: rgba(212, 175, 55, 0.08);
}

.page-privacy .policy-details[open] .policy-toggle {
  transform: rotate(45deg);
  background: rgba(57, 255, 20, 0.12);
  border-color: var(--color-accent, #39ff14);
  color: var(--color-accent, #39ff14);
}

/* ----- 展开内容区域 ----- */
.page-privacy .policy-body {
  padding: 0 var(--space-md, 2rem) var(--space-md, 2rem);
  border-top: 1px solid rgba(212, 175, 55, 0.1);
  animation: privacySlideDown 0.35s ease;
}

@keyframes privacySlideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
    max-height: 0;
  }
  to {
    opacity: 1;
    transform: translateY(0);
    max-height: 800px;
  }
}

.page-privacy .policy-body p {
  margin: 0 0 1rem;
  font-weight: 300;
  color: var(--color-text, #f0f0f0);
  line-height: 1.8;
}

.page-privacy .policy-body p:last-child {
  margin-bottom: 0;
}

.page-privacy .policy-list {
  margin: 0 0 1rem;
  padding: 0 0 0 1.2rem;
  list-style: none;
}

.page-privacy .policy-list li {
  position: relative;
  padding: 0.3rem 0 0.3rem 1.4rem;
  font-weight: 300;
  line-height: 1.7;
  color: rgba(240, 240, 240, 0.9);
}

.page-privacy .policy-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  top: 0.35rem;
  color: var(--color-accent, #39ff14);
  font-size: 0.9rem;
  opacity: 0.7;
}

.page-privacy .policy-list li strong {
  color: var(--color-gold, #f5e6a3);
  font-weight: 600;
}

.page-privacy .policy-note {
  font-size: 0.92rem;
  color: rgba(240, 240, 240, 0.6);
  padding: 0.6rem 1rem;
  background: rgba(57, 255, 20, 0.04);
  border-left: 2px solid var(--color-accent, #39ff14);
  border-radius: 0 4px 4px 0;
  margin-top: 0.5rem;
}

.page-privacy .policy-note em {
  font-style: normal;
  color: var(--color-accent, #39ff14);
  font-weight: 400;
}

/* ----- 联系信息块 ----- */
.page-privacy .policy-contact {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: 1rem 0 1.2rem;
  padding: var(--space-sm, 1rem) var(--space-md, 2rem);
  background: rgba(212, 175, 55, 0.04);
  border: 1px solid rgba(212, 175, 55, 0.12);
  border-radius: var(--border-radius, 8px);
}

.page-privacy .policy-contact-item {
  font-weight: 300;
  color: var(--color-text, #f0f0f0);
  font-size: 0.98rem;
}

.page-privacy .policy-link {
  color: var(--color-gold, #f5e6a3);
  text-decoration: none;
  border-bottom: 1px solid rgba(212, 175, 55, 0.25);
  transition: color 0.2s, border-color 0.2s, text-shadow 0.2s;
}

.page-privacy .policy-link:hover,
.page-privacy .policy-link:focus-visible {
  color: var(--color-accent, #39ff14);
  border-bottom-color: var(--color-accent, #39ff14);
  text-shadow: var(--privacy-glow);
}

/* ----- 页脚信任声明 ----- */
.page-privacy .privacy-footer-note {
  margin-top: var(--space-xl, 8rem);
  padding-top: var(--space-md, 2rem);
  border-top: 1px solid rgba(212, 175, 55, 0.1);
  text-align: center;
}

.page-privacy .trust-statement {
  max-width: 620px;
  margin: 0 auto;
  font-size: 0.85rem;
  color: rgba(240, 240, 240, 0.4);
  font-weight: 300;
  letter-spacing: 0.02em;
  line-height: 1.6;
}

/* ===== 响应式 ===== */

/* 移动端优先（窄屏） */
@media (max-width: 639px) {
  .page-privacy {
    padding: 1.2rem 0.5rem 3rem;
  }

  .page-privacy .privacy-head {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm, 1rem);
    margin-bottom: var(--space-md, 2rem);
  }

  .page-privacy .privacy-head-icon {
    width: 48px;
    height: 48px;
  }

  .page-privacy .privacy-icon-img {
    width: 48px;
    height: 48px;
  }

  .page-privacy .policy-summary {
    padding: var(--space-sm, 1rem);
    flex-wrap: wrap;
  }

  .page-privacy .policy-num {
    font-size: 0.75rem;
    min-width: 1.6rem;
  }

  .page-privacy .policy-toggle {
    width: 1.6rem;
    height: 1.6rem;
    font-size: 1.1rem;
  }

  .page-privacy .policy-body {
    padding: 0 var(--space-sm, 1rem) var(--space-sm, 1rem);
  }

  .page-privacy .policy-contact {
    padding: var(--space-sm, 1rem);
  }

  .page-privacy .privacy-intro {
    margin-bottom: var(--space-lg, 4rem);
    font-size: 0.95rem;
    text-align: left;
  }

  .page-privacy .policy-list {
    padding-left: 0.6rem;
  }

  .page-privacy .policy-list li {
    padding-left: 1.2rem;
  }
}

/* 平板及以上 */
@media (min-width: 640px) and (max-width: 1023px) {
  .page-privacy {
    padding: 2rem 1.5rem 4rem;
  }

  .page-privacy .privacy-head {
    gap: 1.5rem;
  }
}

/* 桌面 */
@media (min-width: 1024px) {
  .page-privacy {
    padding: 3rem 2rem 5rem;
  }

  .page-privacy .policy-section {
    margin-bottom: 2rem;
  }
}

/* 大屏留白增强 */
@media (min-width: 1400px) {
  .page-privacy .policy-section {
    max-width: 920px;
  }
}

/* 偏好减少动画 */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-intro,
  .page-privacy .policy-section {
    opacity: 1;
    animation: none;
  }

  .page-privacy .policy-body {
    animation: none;
  }

  .page-privacy .policy-toggle {
    transition: none;
  }
}