/* 面包屑导航样式 - 纯新增 */
.breadcrumb {
    font-size: 13px;
    color: #888;
    padding: 10px 0;
    margin-bottom: 10px;
}
.breadcrumb a {
    color: #1a3a6b;
    text-decoration: none;
    transition: color 0.2s;
}
.breadcrumb a:hover {
    color: #c8102e;
    text-decoration: underline;
}
.breadcrumb .breadcrumb-sep {
    margin: 0 6px;
    color: #ccc;
}
.breadcrumb .breadcrumb-current {
    color: #333;
    font-weight: 500;
}