body {
  background: rgb(185, 181, 181) !important;
}

/* 默认卡片过渡 */
#recent-posts .recent-post-item {
  background: rgba(213, 232, 244, 0.4) !important;
  backdrop-filter: blur(6px);
  border-radius: 15px;
  transition: 0.3s ease;
}

/* Tech 分类 */
#recent-posts .recent-post-item:has(a[href*="/categories/数学建模/"]) {
  background: #b4dcffcc;
}

/* Life 分类 */
#recent-posts .recent-post-item:has(a[href*="/categories/Life/"]) {
  background: rgba(200, 255, 200, 0.8);
}

/* Study 分类 */
#recent-posts .recent-post-item:has(a[href*="/categories/Study/"]) {
  background: rgba(230, 200, 255, 0.8);
}


/* 侧边栏卡片 */
.aside-content .card-widget {
  background: rgba(213, 232, 244, 0.4) !important;
  backdrop-filter: blur(6px);
  border-radius: 15px;
  transition: 0.3s ease;
}
/* 侧边栏卡片 */
.aside-content .card-widget.card-info {
  background: rgba(151, 210, 246, 0.4) !important;
  backdrop-filter: blur(6px);
  border-radius: 15px;
  transition: 0.3s ease;
}

/* 正文页面 */
#post {
  background: rgba(248, 249, 250, 0.6) !important;
  backdrop-filter: blur(6px);
  border-radius: 15px;
  transition: 0.3s ease;
}

[data-theme="dark"] #post {
  background: rgba(20, 20, 20, 0.5) !important; /* 黑 + 透明 */
  backdrop-filter: blur(6px);
  border-radius: 15px;
  transition: 0.3s ease;
}

/* 归档 / 分类 / 标签 页面背景 */

#page {
  background: rgba(255, 255, 255, 0.5) !important;
  backdrop-filter: blur(6px);
  border-radius: 15px;
  transition: 0.3s ease;
}
[data-theme="dark"] #page {
  background: rgba(99, 99, 99, 0.5) !important;
}
#archive {
  background: rgba(222, 242, 215, 0.5) !important;
  backdrop-filter: blur(6px);
  border-radius: 15px;
}
[data-theme="dark"] #archive {
  background: rgba(60, 100, 60, 0.5) !important;
}





#footer {
  background: url("/img/footer-bg.jpg") center/cover no-repeat !important;
}

[data-theme="dark"] #footer {
  background: url("/img/footer-bg-dark.jpg") center/cover no-repeat !important;
}



/* 友链整体布局 */
.friend-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px,1fr));
  gap: 25px;
  margin-top: 20px;
}

/* 单个友链卡片 */
.friend-card {
  display: flex;
  align-items: center;
  padding: 20px;
  /*background: rgba(205, 244, 237, 0.8);*/
  backdrop-filter: blur(6px);
  border-radius: 15px;
  transition: all 0.3s ease;
}

/* hover 动效 */
.friend-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

/* 头像 */
.friend-card img {
  width: 75px;
  height: 75px;
  border-radius: 50%;
  margin-right: 20px;
  object-fit: cover;
}

/* 文字区域 */
.friend-info a {
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
}

.friend-info p {
  margin: 6px 0 0;
  opacity: 0.8;
  font-size: 14px;
}

/* 友链卡片背景色 */

.friend-card.card-yhua10 {
  background: rgb(241, 231, 189);
}
[data-theme="dark"] .card-yhua10 {
  background: rgba(146, 144, 116, 0.5);
}

.friend-card.card-ana {
  background: rgb(255, 255, 255);
}
[data-theme="dark"] .card-ana {
  background: rgba(154, 154, 154, 0.5);
}

.friend-card.card-shark {
  background: rgb(192, 241, 254);
}
[data-theme="dark"] .card-shark {
  background: rgba(122, 151, 159, 0.5);;
}