/* 页面头 */
    .page-header {
        text-align: center;
        padding: 40px 0 30px;
        background: #fff;
    }
    .page-header h1 { font-size: 26px; font-weight: 700; margin-bottom: 10px; }
    .page-header h1 span { color: var(--gov-primary); }
    .page-header p { font-size: 14px; color: var(--gov-text-gray); }
    .page-header .divider { width: 50px; height: 3px; background: var(--gov-primary); margin: 14px auto 0; border-radius: 2px; }

    /* 地图主体 */
    .sitemap-section {
        padding: 30px 0 50px;
        background: var(--gov-bg-gray);
    }
    .sitemap-group {
        background: #fff;
        border: 1px solid var(--gov-border);
        border-radius: 8px;
        margin-bottom: 24px;
        overflow: hidden;
    }
    .sitemap-group .group-header {
        background: linear-gradient(135deg, var(--gov-primary) 0%, var(--gov-secondary) 100%);
        color: #fff;
        padding: 14px 22px;
        font-size: 16px;
        font-weight: 600;
        display: flex;
        align-items: center;
    }
    .sitemap-group .group-header i { margin-right: 10px; font-size: 20px; }
    .sitemap-group .group-body { padding: 20px 22px; }

    /* 站点列表网格 */
    .site-grid {
        list-style: none;
        padding: 0;
        margin: 0;
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 10px;
    }
    .site-grid li a {
        display: flex;
        align-items: center;
        padding: 10px 14px;
        border-radius: 6px;
        background: var(--gov-bg-gray);
        font-size: 14px;
        color: var(--gov-text-dark);
        transition: all 0.25s ease;
    }
    .site-grid li a:hover {
        background: var(--gov-primary-light);
        color: var(--gov-primary);
        transform: translateX(4px);
    }
    .site-grid li a i { color: var(--gov-primary); margin-right: 8px; font-size: 16px; }

    /* 子链接 */
    .sub-links {
        list-style: none;
        padding: 0;
        margin: 14px 0 0;
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }
    .sub-links li a {
        padding: 6px 14px;
        border: 1px solid var(--gov-border);
        border-radius: 16px;
        font-size: 13px;
        color: var(--gov-text-gray);
        transition: all 0.25s ease;
    }
    .sub-links li a:hover {
        background: var(--gov-primary);
        border-color: var(--gov-primary);
        color: #fff;
    }

    @@media (max-width: 767.98px) {
        .page-header { padding: 24px 0 20px; }
        .page-header h1 { font-size: 20px; }
    }