/* ===== page-privacy 专属样式 ===== */
.page-privacy {
  --pc-gold: var(--primary-gold, #FFD700);
  --pc-red: var(--primary-red, #E63946);
  --pc-blue: var(--accent-deep-blue, #1F3A93);
  --pc-bg: var(--background-section, #1A1A1A);
  --pc-dark: var(--background-dark, #0D0D0D);
  --pc-light: var(--text-light, #F5F5F5);
  --pc-border: var(--border-gold, #B8860B);
  --pc-gold-grad: var(--gold-gradient, linear-gradient(135deg, #FFD700, #E6C300));
  --pc-font-head: var(--font-heading, 'STKaiti','KaiTi','SimSun','Noto Serif SC',serif);
  --pc-font-body: var(--font-body, 'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif);
  --pc-font-small: var(--font-small, 'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif);
  --pc-trans: var(--transition-speed, 0.3s);

  display: block;
  background: var(--pc-dark);
  color: var(--pc-light);
  font-family: var(--pc-font-body);
  line-height: 1.7;
  padding: 2rem 0 4rem;
}

/* 容器继承共享 .container，这里仅补内边距 */
.page-privacy .container {
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* 面包屑 */
.page-privacy .breadcrumb {
  font-size: 0.8rem;
  font-family: var(--pc-font-small);
  color: rgba(245,245,245,0.6);
  margin-bottom: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

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

.page-privacy .breadcrumb a:hover {
  color: #fff;
  text-decoration: underline;
}

.page-privacy .breadcrumb-sep {
  color: rgba(255,215,0,0.4);
}

.page-privacy .breadcrumb [aria-current="page"] {
  color: var(--pc-light);
  font-weight: 400;
}

/* 首屏标头 */
.page-privacy .privacy-header {
  margin-bottom: 1.8rem;
}

.page-privacy .privacy-label {
  display: inline-block;
  margin-bottom: 0.75rem;
}

.page-privacy .privacy-title {
  font-family: var(--pc-font-head);
  font-size: 2.8rem;
  font-weight: 900;
  color: transparent;
  background: var(--pc-gold-grad);
  -webkit-background-clip: text;
  background-clip: text;
  line-height: 1.15;
  margin: 0 0 1rem;
  letter-spacing: 0.04em;
}

.page-privacy .privacy-intro {
  font-size: 1.05rem;
  color: rgba(245,245,245,0.85);
  max-width: 720px;
  margin: 0 0 0.6rem;
  font-weight: 300;
}

.page-privacy .privacy-meta {
  font-size: 0.8rem;
  color: rgba(255,215,0,0.6);
  font-family: var(--pc-font-small);
  letter-spacing: 0.02em;
}

/* 首屏图片 */
.page-privacy .privacy-hero {
  margin: 1.8rem 0 2.8rem;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.5);
}

.page-privacy .privacy-hero-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  max-width: 100%;
}

/* 章节容器 */
.page-privacy .privacy-chapters {
  display: flex;
  flex-direction: column;
  gap: 2.4rem;
}

/* 单个章节卡片 */
.page-privacy .policy-chapter {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  padding: 1.5rem 1.2rem;
  background: var(--pc-bg);
  border: 1px solid rgba(184,134,11,0.25);
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.3);
  transition: box-shadow var(--pc-trans);
}

.page-privacy .policy-chapter:hover {
  box-shadow: 0 4px 24px rgba(255,215,0,0.08);
}

/* 主内容区 */
.page-privacy .chapter-main {
  flex: 1;
  min-width: 0;
}

/* 编号 + 标题行 */
.page-privacy .chapter-marker {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.page-privacy .chapter-number {
  font-family: var(--pc-font-head);
  font-size: 2.2rem;
  font-weight: 900;
  line-height: 1;
  color: transparent;
  background: var(--pc-gold-grad);
  -webkit-background-clip: text;
  background-clip: text;
  opacity: 0.6;
  flex-shrink: 0;
}

.page-privacy .chapter-title {
  font-family: var(--pc-font-head);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--pc-light);
  margin: 0;
  line-height: 1.2;
}

/* 摘要 – 印刷边框 */
.page-privacy .chapter-summary {
  padding: 0.9rem 1.2rem;
  margin-bottom: 1rem;
  background: rgba(255,215,0,0.04);
  border-left: 4px solid var(--pc-gold);
  border-radius: 0 4px 4px 0;
  font-size: 0.95rem;
  color: rgba(245,245,245,0.88);
}

.page-privacy .chapter-summary p {
  margin: 0;
}

/* 可折叠详情 */
.page-privacy .chapter-details {
  border-top: 1px solid rgba(184,134,11,0.15);
  padding-top: 0.6rem;
}

.page-privacy .chapter-details summary {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--pc-gold);
  padding: 0.4rem 0;
  transition: color var(--pc-trans);
  user-select: none;
}

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

.page-privacy .chapter-details summary:hover {
  color: #fff;
}

.page-privacy .summary-text {
  border-bottom: 1px dashed rgba(255,215,0,0.3);
}

.page-privacy .expand-symbol {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.4rem;
  height: 1.4rem;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 1rem;
  line-height: 1;
  transition: transform var(--pc-trans);
  flex-shrink: 0;
}

.page-privacy .chapter-details[open] .expand-symbol {
  transform: rotate(45deg);
  background: rgba(255,215,0,0.1);
}

.page-privacy .details-body {
  padding: 1rem 0 0.4rem;
  color: rgba(245,245,245,0.85);
  font-size: 0.92rem;
}

.page-privacy .details-body ul {
  padding-left: 1.4rem;
  margin: 0.6rem 0;
}

.page-privacy .details-body li {
  margin-bottom: 0.45rem;
}

.page-privacy .details-body a {
  color: var(--pc-gold);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--pc-trans);
}

.page-privacy .details-body a:hover {
  color: #fff;
}

.page-privacy .contact-list {
  list-style: none;
  padding-left: 0;
}

.page-privacy .contact-list li {
  margin-bottom: 0.6rem;
  padding-left: 0;
}

.page-privacy .contact-note {
  font-size: 0.82rem;
  color: rgba(245,245,245,0.5);
  border-top: 1px solid rgba(184,134,11,0.15);
  padding-top: 0.7rem;
  margin-top: 0.8rem;
}

/* 旁注 – 术语/延伸阅读 */
.page-privacy .chapter-terms {
  padding: 1rem 1.1rem;
  border: 1px solid rgba(255,215,0,0.12);
  border-radius: 6px;
  background: rgba(255,215,0,0.02);
  flex-shrink: 0;
  min-width: 180px;
}

.page-privacy .terms-heading {
  font-family: var(--pc-font-small);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--pc-gold);
  border-bottom: 1px solid rgba(255,215,0,0.15);
  padding-bottom: 0.4rem;
  margin: 0 0 0.8rem;
}

.page-privacy .terms-list {
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.page-privacy .term-item {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.page-privacy .term-term {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--pc-gold);
  cursor: help;
  border-bottom: 1px dotted rgba(255,215,0,0.3);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  position: relative;
}

/* 术语 tooltip – 纯 CSS */
.page-privacy .term-term::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) scale(0.9);
  background: var(--pc-dark);
  color: var(--pc-light);
  font-size: 0.78rem;
  font-weight: 400;
  padding: 0.5rem 0.8rem;
  border: 1px solid var(--pc-border);
  border-radius: 4px;
  white-space: normal;
  width: 220px;
  text-align: left;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--pc-trans), transform var(--pc-trans);
  z-index: 12;
  line-height: 1.4;
  box-shadow: 0 4px 16px rgba(0,0,0,0.6);
}

.page-privacy .term-term::before {
  content: '';
  position: absolute;
  bottom: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--pc-border);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--pc-trans);
  z-index: 12;
}

.page-privacy .term-term:hover::after,
.page-privacy .term-term:focus::after {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

.page-privacy .term-term:hover::before,
.page-privacy .term-term:focus::before {
  opacity: 1;
}

.page-privacy .term-def {
  font-size: 0.78rem;
  color: rgba(245,245,245,0.55);
  margin: 0;
}

/* 延伸阅读列表 */
.page-privacy .extend-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.page-privacy .extend-list a {
  color: var(--pc-gold);
  font-size: 0.88rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--pc-trans);
}

.page-privacy .extend-list a:hover {
  border-bottom-color: var(--pc-gold);
}

/* 页脚引语 */
.page-privacy .privacy-footer-note {
  margin-top: 3rem;
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(245,245,245,0.5);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

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

/* ---------- 桌面端 ≥768px ---------- */
@media (min-width: 768px) {
  .page-privacy {
    padding: 3rem 0 5rem;
  }

  .page-privacy .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }

  .page-privacy .privacy-title {
    font-size: 3.8rem;
  }

  .page-privacy .privacy-intro {
    font-size: 1.15rem;
  }

  .page-privacy .privacy-hero {
    margin: 2.2rem 0 3.2rem;
    border-radius: 8px;
  }

  /* 章节并排：主内容 + 旁注 */
  .page-privacy .policy-chapter {
    flex-direction: row;
    align-items: flex-start;
    gap: 2rem;
    padding: 2rem 1.8rem;
  }

  .page-privacy .chapter-main {
    flex: 1;
  }

  .page-privacy .chapter-terms {
    width: 240px;
    flex-shrink: 0;
    position: sticky;
    top: 2rem;
  }

  .page-privacy .chapter-number {
    font-size: 2.8rem;
  }

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

  .page-privacy .chapter-summary {
    font-size: 1rem;
    padding: 1rem 1.4rem;
  }

  .page-privacy .details-body {
    font-size: 0.95rem;
  }

  .page-privacy .privacy-chapters {
    gap: 2.8rem;
  }
}

/* ---------- 桌面端 ≥1024px ---------- */
@media (min-width: 1024px) {
  .page-privacy .privacy-title {
    font-size: 4.4rem;
  }

  .page-privacy .container {
    padding-left: 3rem;
    padding-right: 3rem;
  }

  .page-privacy .chapter-terms {
    width: 280px;
  }

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

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

/* ---------- 桌面端 ≥1200px ---------- */
@media (min-width: 1200px) {
  .page-privacy .container {
    max-width: var(--container-max, 1200px);
    margin: 0 auto;
  }
}

/* 确保任何图片不溢出 */
.page-privacy img {
  max-width: 100%;
  height: auto;
}

/* 打印时展开所有详情 */
@media print {
  .page-privacy .chapter-details {
    border-top: none;
  }
  .page-privacy .chapter-details summary {
    display: none;
  }
  .page-privacy .chapter-details .details-body {
    display: block !important;
  }
  .page-privacy .chapter-terms {
    break-inside: avoid;
  }
  .page-privacy .policy-chapter {
    break-inside: avoid;
  }
}