/* RSS容器 */
.rss-feed-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  padding: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

/* RSS项 */
.rss-item {
  background-color: #ffffff;
  border-radius: 15px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.rss-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

/* 标题 */
.rss-item h3 {
  font-size: 22px;
  margin: 0;
  padding: 20px;
  background-color: #FFD700; /* 柔和的紫色，与服务器状态页面一致 */
  color: #ffffff;
  font-weight: 600;
  border-bottom: 5px solid #bda102; /* 增加视觉层次感，使用更深的紫色 */
}

/* 描述部分 */
.rss-item .description {
  padding: 20px;
  font-size: 16px;
  line-height: 1.8;
  color: #555;
  max-height: 120px; /* 初始摘要高度 */
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease; /* 增加动画 */
}

.rss-item .description.expanded {
  max-height: 1000px; /* 充分的高度来显示内容 */
  padding-bottom: 20px; /* 保持一致的内边距 */
}

/* 阅读更多按钮 */
.rss-item .toggle-description {
  padding: 15px 20px;
  background-color: #f4f4f4;
  text-align: right;
  cursor: pointer;
  border-top: 1px solid #e2e8f0;
}

.rss-item .toggle-description a {
  text-decoration: none;
  color: #FFD700;
  font-weight: 500;
  transition: color 0.3s ease;
}

.rss-item .toggle-description a:hover {
  color: #bda102;
  text-decoration: underline;
}

/* 图片懒加载 */
.rss-item img.lazy {
  opacity: 0;
  transition: opacity 0.4s ease;
}

.rss-item img.lazy.loaded {
  opacity: 1;
}