.page-privacy {
  display: block;
  width: 100%;
  --page-privacy-bg: var(--color-dark, #0a0a0a);
  --page-privacy-card-bg: var(--color-surface, #1a1a1a);
  --page-privacy-card-border: var(--color-border, #333333);
  --page-privacy-accent: var(--color-gold, #ffd700);
  --page-privacy-accent-red: var(--color-red, #b22222);
  --page-privacy-text: var(--color-text, #ffffff);
  --page-privacy-text-secondary: var(--color-text-secondary, #cccccc);
  --page-privacy-radius: var(--radius-card, 20px);
  --page-privacy-transition: var(--transition-speed, 0.3s);
  background-color: var(--page-privacy-bg);
  padding: 2rem 0 4rem;
}

/* 容器复用全局 .container，无需重复定义 max-width 等 */
.page-privacy .container {
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* 面包屑 */
.page-privacy .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
  font-family: var(--font-body, 'Roboto Condensed', sans-serif);
  font-size: 0.85rem;
  color: var(--page-privacy-text-secondary);
}
.page-privacy .breadcrumb a {
  color: var(--page-privacy-accent);
  text-decoration: none;
  transition: color var(--page-privacy-transition);
}
.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible {
  color: var(--page-privacy-accent-red);
  text-decoration: underline;
}
.page-privacy .breadcrumb .separator {
  color: var(--page-privacy-card-border);
  user-select: none;
}
.page-privacy .breadcrumb [aria-current="page"] {
  color: var(--page-privacy-text);
  font-weight: 600;
}

/* 主标题 */
.page-privacy__main-title {
  font-family: var(--font-heading, 'Impact', 'Arial Black', sans-serif);
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: -1px;
  font-size: clamp(2.2rem, 7vw, 4.2rem);
  color: var(--page-privacy-text);
  margin: 0 0 0.35rem;
  line-height: 1.05;
  position: relative;
  display: inline-block;
}
.page-privacy__main-title::after {
  content: '';
  display: block;
  width: 70px;
  height: 6px;
  background: var(--gradient-red-gold, linear-gradient(135deg, #b22222, #ffd700));
  margin-top: 0.5rem;
  border-radius: 50px;
}

/* 引言 */
.page-privacy__intro {
  font-family: var(--font-body, 'Roboto Condensed', sans-serif);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--page-privacy-text-secondary);
  margin: 1.25rem 0 2.5rem;
  max-width: 720px;
}

/* 卡片通用 */
.page-privacy__card {
  background-color: var(--page-privacy-card-bg);
  border: 1px solid var(--page-privacy-card-border);
  border-radius: var(--page-privacy-radius);
  margin-bottom: 1.25rem;
  overflow: hidden;
  transition: border-color var(--page-privacy-transition), box-shadow var(--page-privacy-transition);
}
.page-privacy__card:hover {
  border-color: rgba(255, 215, 0, 0.25);
  box-shadow: 0 4px 24px rgba(178, 34, 34, 0.12);
}

/* 卡片头部 */
.page-privacy__card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.125rem 1.25rem;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.page-privacy__card-icon {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  object-fit: contain;
  border-radius: 50%;
  background: rgba(178, 34, 34, 0.15);
  padding: 4px;
  box-sizing: content-box;
  transition: background var(--page-privacy-transition);
}
.page-privacy__card:hover .page-privacy__card-icon {
  background: rgba(255, 215, 0, 0.18);
}
.page-privacy__card-heading {
  flex: 1;
  font-family: var(--font-heading, 'Impact', 'Arial Black', sans-serif);
  font-weight: 800;
  font-style: italic;
  font-size: clamp(1.1rem, 3.2vw, 1.55rem);
  text-transform: uppercase;
  letter-spacing: -0.5px;
  color: var(--page-privacy-text);
  margin: 0;
  line-height: 1.2;
}

/* 折叠按钮 */
.page-privacy__toggle {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: transparent;
  border: 1px solid var(--page-privacy-card-border);
  border-radius: 50%;
  cursor: pointer;
  transition: background var(--page-privacy-transition), border-color var(--page-privacy-transition);
  padding: 0;
}
.page-privacy__toggle:hover,
.page-privacy__toggle:focus-visible {
  background: rgba(178, 34, 34, 0.18);
  border-color: var(--page-privacy-accent-red);
}
.page-privacy__toggle-bar {
  display: block;
  width: 14px;
  height: 2px;
  background-color: var(--page-privacy-accent);
  border-radius: 2px;
  transition: transform var(--page-privacy-transition), opacity var(--page-privacy-transition);
}
[data-expanded] .page-privacy__toggle-bar:first-child {
  transform: rotate(45deg) translate(2px, 2px);
}
[data-expanded] .page-privacy__toggle-bar:last-child {
  transform: rotate(-45deg) translate(2px, -2px);
}
:not([data-expanded]) .page-privacy__toggle-bar:first-child {
  transform: rotate(0) translate(0, 0);
}
:not([data-expanded]) .page-privacy__toggle-bar:last-child {
  transform: rotate(0) translate(0, 0);
}

/* 卡片内容体 —— 可折叠 */
.page-privacy__card-body {
  padding: 0 1.25rem 1.25rem;
  font-family: var(--font-body, 'Roboto Condensed', sans-serif);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--page-privacy-text-secondary);
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.35s ease, padding 0.35s ease;
  max-height: 0;
  opacity: 0;
  padding-top: 0;
  padding-bottom: 0;
}
[data-expanded] .page-privacy__card-body {
  max-height: 1200px;
  opacity: 1;
  padding-top: 0.25rem;
  padding-bottom: 1.25rem;
}

/* 列表样式 */
.page-privacy__list {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.page-privacy__list li {
  position: relative;
  padding-left: 1.25rem;
  color: var(--page-privacy-text-secondary);
}
.page-privacy__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  background: var(--gradient-red-gold, linear-gradient(135deg, #b22222, #ffd700));
  border-radius: 50%;
  flex-shrink: 0;
}
.page-privacy__list li strong {
  color: var(--page-privacy-text);
  font-weight: 600;
}
.page-privacy__list a,
.page-privacy__card-body a {
  color: var(--page-privacy-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--page-privacy-transition);
}
.page-privacy__list a:hover,
.page-privacy__card-body a:hover {
  color: var(--page-privacy-accent-red);
}

/* 图示容器 */
.page-privacy__figure {
  margin: 1.5rem 0 0.5rem;
  border-radius: 12px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.3);
  padding: 0.5rem;
}
.page-privacy__figure-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 8px;
  background-color: #0d0d0d;
}
.page-privacy__figure-caption {
  text-align: center;
  font-size: 0.8rem;
  color: var(--page-privacy-text-secondary);
  opacity: 0.7;
  margin-top: 0.5rem;
  font-style: italic;
}

/* 信任声明底部 */
.page-privacy__trust {
  margin-top: 2.5rem;
  padding: 1.25rem 1.5rem;
  background: linear-gradient(135deg, rgba(178, 34, 34, 0.08), rgba(255, 215, 0, 0.05));
  border-left: 4px solid var(--page-privacy-accent);
  border-radius: 0 12px 12px 0;
}
.page-privacy__trust-text {
  font-family: var(--font-body, 'Roboto Condensed', sans-serif);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--page-privacy-text-secondary);
  margin: 0;
}
.page-privacy__trust-text a {
  color: var(--page-privacy-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.page-privacy__trust-text a:hover {
  color: var(--page-privacy-accent-red);
}

/* ---------- 桌面端（≥768px） ---------- */
@media (min-width: 768px) {
  .page-privacy {
    padding: 3rem 0 5rem;
  }
  .page-privacy .container {
    padding-left: 2rem;
    padding-right: 2rem;
    max-width: var(--max-width, 1200px);
    margin: 0 auto;
  }
  .page-privacy__main-title {
    font-size: clamp(2.8rem, 5vw, 4.8rem);
  }
  .page-privacy__main-title::after {
    width: 100px;
    height: 7px;
  }
  .page-privacy__intro {
    font-size: 1.1rem;
    margin-bottom: 3rem;
  }
  .page-privacy__card {
    margin-bottom: 1.5rem;
  }
  .page-privacy__card-header {
    padding: 1.25rem 1.75rem;
    gap: 1rem;
  }
  .page-privacy__card-heading {
    font-size: clamp(1.2rem, 2.5vw, 1.65rem);
  }
  .page-privacy__card-body {
    padding-left: 1.75rem;
    padding-right: 1.75rem;
    font-size: 1rem;
  }
  [data-expanded] .page-privacy__card-body {
    padding-bottom: 1.5rem;
  }
  .page-privacy__list {
    gap: 0.7rem;
  }
  .page-privacy__figure {
    max-width: 80%;
    margin-left: auto;
    margin-right: auto;
  }
  .page-privacy__trust {
    padding: 1.5rem 2rem;
    margin-top: 3rem;
  }
}

/* ---------- 大桌面端（≥1024px）精细调整 ---------- */
@media (min-width: 1024px) {
  .page-privacy__card-body {
    padding-left: 2rem;
    padding-right: 2rem;
  }
  .page-privacy__figure {
    max-width: 65%;
  }
  .page-privacy__trust {
    padding: 1.75rem 2.5rem;
  }
}