:root {
            --primary: #2d8a6e; --primary-light: #e8f5f0; --accent: #f5a623;
            --accent-light: #fff8e7; --dark: #2c3e50; --text: #5a6c7d;
            --bg: #f7f9fc; --white: #ffffff; --shadow: 0 4px 20px rgba(45,138,110,0.08);
            --radius: 16px;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }
        a { text-decoration: none; color: inherit; }

        /* 导航 */
        .navbar-custom { background: var(--white); box-shadow: var(--shadow); padding: 0.8rem 0; position: sticky; top: 0; z-index: 1000; }
        .navbar-brand-custom { font-size: 1.5rem; font-weight: 700; color: var(--primary) !important; display: flex; align-items: center; gap: 8px; }
        .brand-icon { width: 36px; height: 36px; background: linear-gradient(135deg,var(--primary),#5bc8a4); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: white; font-size: 1.1rem; }
        .nav-link-custom { color: var(--dark) !important; font-weight: 500; padding: 0.5rem 1rem !important; border-radius: 8px; transition: all 0.3s; font-size: 0.95rem; }
        .nav-link-custom:hover, .nav-link-custom.active { background: var(--primary-light); color: var(--primary) !important; }
        .nav-link-custom .badge-notify { background: var(--accent); color: white; font-size: 0.7rem; padding: 2px 6px; border-radius: 10px; margin-left: 4px; }

        /* 二级下拉导航 */
        .nav-item.dropdown { position: relative; }
        .nav-item.dropdown:hover .dropdown-menu { display: block; }
        .dropdown-menu-custom { display: none; position: absolute; top: 100%; left: 0; background: var(--white); border-radius: 12px; box-shadow: 0 8px 30px rgba(0,0,0,0.12); padding: 0.5rem; min-width: 200px; z-index: 999; border: 1px solid #e8f0ec; }
        .dropdown-menu-custom.show { display: block; }
        .dropdown-item-custom { display: flex; align-items: center; gap: 10px; padding: 0.6rem 1rem; border-radius: 8px; transition: all 0.2s; cursor: pointer; font-size: 0.9rem; color: var(--dark); }
        .dropdown-item-custom:hover { background: var(--primary-light); color: var(--primary); }
        .dropdown-item-custom .item-icon { width: 32px; height: 32px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1rem; }
        .dropdown-item-custom .item-title { font-weight: 600; font-size: 0.9rem; }
        .dropdown-item-custom .item-sub { font-size: 0.78rem; color: var(--text); }

        /* 页面头 */
        .page-header { background: linear-gradient(135deg,#e8f5f0,#d0edd8); padding: 3rem 0 2rem; }
        .page-title { font-size: 2rem; font-weight: 700; color: var(--dark); }
        .page-title .sub { font-size: 1rem; color: var(--text); font-weight: 400; margin-left: 12px; }
        .page-breadcrumb { font-size: 0.88rem; color: var(--text); margin-top: 0.5rem; }
        .page-breadcrumb a { color: var(--primary); }

        /* 筛选栏 */
        .filter-bar { background: var(--white); border-radius: var(--radius); padding: 1.2rem 1.5rem; box-shadow: var(--shadow); margin-bottom: 1.5rem; }
        .filter-group { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
        .filter-label { font-size: 0.88rem; color: var(--text); font-weight: 500; white-space: nowrap; min-width: 60px; }
        .filter-chip { padding: 0.35rem 1rem; border-radius: 20px; font-size: 0.85rem; cursor: pointer; border: 1.5px solid #e0ebe7; color: var(--text); transition: all 0.2s; background: var(--white); }
        .filter-chip:hover, .filter-chip.active { background: var(--primary); border-color: var(--primary); color: white; }
        .filter-divider { width: 1px; height: 24px; background: #e0ebe7; margin: 0 8px; }
        .search-box { display: flex; gap: 8px; }
        .search-box input { border: 1.5px solid #e0ebe7; border-radius: 10px; padding: 0.5rem 1rem; font-size: 0.9rem; outline: none; flex: 1; }
        .search-box input:focus { border-color: var(--primary); }
        .btn-search { background: var(--primary); color: white; border: none; border-radius: 10px; padding: 0.5rem 1.2rem; font-weight: 600; cursor: pointer; }

        /* 排序 */
        .sort-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
        .sort-info { font-size: 0.9rem; color: var(--text); }
        .sort-info strong { color: var(--dark); }
        .sort-controls { display: flex; gap: 8px; align-items: center; }
        .sort-btn { padding: 0.35rem 1rem; border-radius: 8px; font-size: 0.85rem; cursor: pointer; border: 1.5px solid #e0ebe7; background: var(--white); color: var(--text); transition: all 0.2s; }
        .sort-btn:hover, .sort-btn.active { background: var(--primary-light); border-color: var(--primary); color: var(--primary); }

        /* 路线卡片网格 */
        .routes-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
        .route-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: all 0.3s; cursor: pointer; border: 1.5px solid transparent; }
        .route-card:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(45,138,110,0.15); border-color: var(--primary); }
        .route-card .card-img { height: 200px; position: relative; display: flex; align-items: center; justify-content: center; overflow: hidden; }
        .route-card .card-img .bg { width: 100%; height: 100%; position: absolute; }
        .route-card .card-img .emoji-overlay { font-size: 4rem; position: relative; z-index: 2; }
        .route-card .card-img .overlay-info { position: absolute; bottom: 0; left: 0; right: 0; padding: 0.8rem; background: linear-gradient(transparent,rgba(0,0,0,0.6)); z-index: 3; display: flex; justify-content: space-between; align-items: center; }
        .route-card .card-img .overlay-info .difficulty { padding: 3px 10px; border-radius: 20px; font-size: 0.78rem; font-weight: 600; }
        .route-card .card-img .overlay-info .difficulty.easy { background: #27ae60; color: white; }
        .route-card .card-img .overlay-info .difficulty.medium { background: #f39c12; color: white; }
        .route-card .card-img .overlay-info .difficulty.hard { background: #e74c3c; color: white; }
        .route-card .card-img .overlay-info .price { color: white; font-weight: 700; font-size: 1rem; }
        .route-card .card-img .overlay-info .price small { font-size: 0.75rem; font-weight: 400; }
        .route-card .card-body { padding: 1.2rem; }
        .route-card .card-title { font-size: 1.05rem; font-weight: 600; color: var(--dark); margin-bottom: 0.5rem; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
        .route-card .card-desc { font-size: 0.85rem; color: var(--text); margin-bottom: 0.8rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .route-card .card-meta { display: flex; gap: 12px; font-size: 0.82rem; color: var(--text); margin-bottom: 0.8rem; }
        .route-card .card-meta span { display: flex; align-items: center; gap: 4px; }
        .route-card .card-tags { display: flex; flex-wrap: wrap; gap: 6px; }
        .route-card .card-tag { background: var(--primary-light); color: var(--primary); padding: 2px 8px; border-radius: 6px; font-size: 0.78rem; }
        .route-card .card-footer { display: flex; justify-content: space-between; align-items: center; padding-top: 0.8rem; border-top: 1px solid #f0f4f8; margin-top: 0.5rem; }
        .route-card .card-footer .location { font-size: 0.82rem; color: var(--text); display: flex; align-items: center; gap: 4px; }
        .route-card .card-footer .score { color: var(--accent); font-weight: 600; font-size: 0.9rem; }

        /* 分页 */
        .pagination-bar { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 2.5rem; }
        .page-btn { width: 40px; height: 40px; border-radius: 10px; border: 1.5px solid #e0ebe7; background: var(--white); display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 0.9rem; color: var(--text); transition: all 0.2s; }
        .page-btn:hover, .page-btn.active { background: var(--primary); border-color: var(--primary); color: white; }
        .page-btn.disabled { opacity: 0.4; cursor: not-allowed; }

        /* 侧边栏 */
        .sidebar { position: sticky; top: 80px; }
        .sidebar-card { background: var(--white); border-radius: var(--radius); padding: 1.2rem; box-shadow: var(--shadow); margin-bottom: 1rem; }
        .sidebar-title { font-size: 1rem; font-weight: 600; color: var(--dark); margin-bottom: 1rem; padding-bottom: 0.8rem; border-bottom: 2px solid var(--primary-light); }
        .sidebar-item { display: flex; align-items: center; gap: 10px; padding: 0.6rem 0; border-bottom: 1px solid #f0f4f8; cursor: pointer; transition: color 0.2s; }
        .sidebar-item:last-child { border-bottom: none; }
        .sidebar-item:hover { color: var(--primary); }
        .sidebar-item .item-icon { font-size: 1.2rem; }
        .sidebar-item .item-text { font-size: 0.9rem; color: var(--dark); }
        .sidebar-item .item-count { margin-left: auto; background: var(--primary-light); color: var(--primary); padding: 2px 8px; border-radius: 10px; font-size: 0.75rem; }

        /* 路线详情弹窗 */
        .modal-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.5); display: none; align-items: center; justify-content: center; z-index: 9999; }
        .modal-overlay.active { display: flex; }
        .modal-box { background: white; border-radius: 20px; padding: 2rem; max-width: 700px; width: 90%; max-height: 85vh; overflow-y: auto; }
        .modal-box h3 { font-size: 1.3rem; font-weight: 700; color: var(--dark); margin-bottom: 0.5rem; }
        .modal-box .close-btn { float: right; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--text); }

        .section { padding: 3rem 0; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 1rem; }

        @media (max-width: 992px) { .routes-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 768px) {
            /* 导航栏手机端 */
            .nav-mobile {
                padding: 1rem 0;
                border-top: 1px solid #e0ebe7;
                margin-top: 0.8rem;
            }/* 手机端补充 */
            .page-header { padding: 2rem 0 1.5rem; }
            .page-title { font-size: 1.5rem; }
            .filter-bar { padding: 1rem; }
            .filter-group { gap: 6px; }
            .filter-divider { display: none; }
            .search-box { flex-direction: column; }
            .sort-bar { flex-direction: column; gap: 8px; align-items: flex-start; } .routes-grid { grid-template-columns: 1fr; } .page-title { font-size: 1.5rem; } }
.skip-link{position:absolute;left:-9999px;top:0;z-index:9999;padding:.6rem 1rem;background:#2d8a6e;color:#fff;border-radius:0 0 .5rem 0;text-decoration:none;font-size:.9rem}
.skip-link:focus{left:0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid #2d8a6e;outline-offset:2px}
@media (prefers-reduced-motion: reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}