/* 标签云样式 - 按热度显示 */
.tag-cloud {
    padding: 10px 0;
    line-height: 1.8;
}
.tag-cloud a {
    display: inline-block;
    padding: 2px 8px;
    margin: 3px;
    border-radius: 3px;
    text-decoration: none;
    transition: all 0.3s ease;
}
.tag-cloud a:hover {
    transform: scale(1.1);
}
/* 热度等级 - 字体大小和颜色 */
.tag-size-1 { font-size: 0.8em; color: #6c757d; }
.tag-size-2 { font-size: 1em; color: #17a2b8; }
.tag-size-3 { font-size: 1.2em; color: #28a745; }
.tag-size-4 { font-size: 1.4em; color: #ffc107; }
.tag-size-5 { font-size: 1.6em; color: #fd7e14; }
.tag-size-6 { font-size: 1.8em; color: #dc3545; font-weight: bold; }