:root {
    --trans-light: rgba(255, 255, 255, 0.5);
    --trans-dark: rgba(25, 25, 25, 0.5);
    --border-style: 1px solid rgb(169, 169, 169);
    --backdrop-filter: blur(5px) saturate(150%);
  }
  
  /* 首页文章卡片 */
  #recent-posts .recent-post-item {
    background: var(--trans-light);
    backdrop-filter: var(--backdrop-filter);
    border-radius: 25px;
    border: var(--border-style);
  }
  
  /* 首页侧栏卡片 */
  #aside-content .card-widget {
    background: var(--trans-light);
    backdrop-filter: var(--backdrop-filter);
    border-radius: 18px;
    border: var(--border-style);
  }
  
  /* 文章页、归档页、普通页面 */
  div#post,
  div#page,
  div#archive {
    background: var(--trans-light);
    backdrop-filter: var(--backdrop-filter);
    border: var(--border-style);
    border-radius: 20px;
  }
  
  /* 导航栏 */
  #page-header.nav-fixed #nav {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: var(--backdrop-filter);
  }
  
  [data-theme="dark"] #page-header.nav-fixed #nav {
    background: rgba(0, 0, 0, 0.7) !important;
  }
  
  /* 夜间模式遮罩 */
  [data-theme="dark"] #recent-posts .recent-post-item,
  [data-theme="dark"] #aside-content .card-widget,
  [data-theme="dark"] div#post,
  [data-theme="dark"] div#archive,
  [data-theme="dark"] div#page {
    background: var(--trans-dark);
  }
  
  /* 夜间模式页脚页头遮罩透明 */
  [data-theme="dark"] #footer::before {
    background: transparent !important;
  }
  [data-theme="dark"] #page-header::before {
    background: transparent !important;
  }
  
  /* 阅读模式 */
  .read-mode #aside-content .card-widget {
    background: rgba(158, 204, 171, 0.5) !important;
  }
  .read-mode div#post {
    background: rgba(158, 204, 171, 0.5) !important;
  }
  
  /* 夜间模式下的阅读模式 */
  [data-theme="dark"] .read-mode #aside-content .card-widget {
    background: rgba(25, 25, 25, 0.9) !important;
    color: #ffffff;
  }
  [data-theme="dark"] .read-mode div#post {
    background: rgba(25, 25, 25, 0.9) !important;
    color: #ffffff;
  }