/*
============================================================
文件名   : index.css
路径     : /route/html/cssjs/index.css
功能     : 自驾游路线智能推荐首页的全部样式
依赖     : 无
说明     : 包含全局样式、导航、卡片、弹窗、区域选择器等
更新日期 : 2026-07-01（移动端适老化优化 + 新增组件）
============================================================
*/

/* ===== 1. 全局重置与布局 ===== */
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background: #f5f8fc; color: #1e2f3e; line-height:1.6; height:100vh; overflow:hidden; font-size:16px; }
a { text-decoration:none; color:inherit; }

/* ===== 2. 头部 ===== */
.app-header { background: linear-gradient(105deg, #2463ad 0%, #1f5597 100%); color:#fff; padding:10px 16px 8px; flex-shrink:0; }
.app-header .top-row { display:flex; align-items:center; justify-content:space-between; }
.app-header h1 { font-size:19px; font-weight:700; display:flex; align-items:center; gap:8px; }
.app-header h1 i { color:#FFE5A3; }
.header-right { display:flex; align-items:center; gap:12px; }
.header-count { background:rgba(255,255,255,0.88); color:#E74C3C; padding:2px 14px; border-radius:30px; font-size:16px; font-weight:600; white-space:nowrap; }
.search-icon { color:#fff; font-size:1.2rem; cursor:pointer; transition:0.2s; padding:4px 8px; border-radius:30px; }
.search-icon:hover { background:rgba(255,255,255,0.2); }

/* ===== 3. 主体布局 ===== */
.app-main { display:flex; height:calc(100vh - 60px); overflow:hidden; }

/* ===== 4. 左栏导航 ===== */
.left-nav { width:28%; min-width:110px; max-width:190px; background:#eef3f8; overflow-y:auto; -webkit-overflow-scrolling:touch; padding:10px 8px 14px; flex-shrink:0; border-right:1px solid #dce6f0; }
.left-nav::-webkit-scrollbar { width:2px; }
.left-nav::-webkit-scrollbar-thumb { background:#c5d4e3; border-radius:10px; }

.nav-item { display:flex; align-items:center; gap:10px; padding:12px 10px 12px 12px; border-radius:12px; font-size:1rem; font-weight:500; color:#3f5a7a; cursor:pointer; transition:all 0.15s; margin-bottom:4px; user-select:none; min-height:50px; position:relative; }
.nav-item i { font-size:1.25rem; width:26px; text-align:center; flex-shrink:0; color:#5a7a9a; }
.nav-item .nav-label { flex:1; line-height:1.4; }
.nav-item .nav-arrow { color:#8aa8c8; font-size:1rem; flex-shrink:0; font-weight:300; }
.nav-item:active { transform:scale(0.97); }
.nav-item.active { background:#2d6cb5; color:#fff; box-shadow:0 2px 10px rgba(45,108,181,0.18); }
.nav-item.active i { color:#fff; }
.nav-item.active .nav-arrow { color:rgba(255,255,255,0.7); }
.nav-item.featured i { color:#f5a623; }
.nav-item.featured.active i { color:#fff; }
.nav-item.collection i { color:#e74c3c; }
.nav-item.collection.active i { color:#fff; }
.nav-item.collection .fav-count { background:#e74c3c; color:#fff; font-size:0.7rem; font-weight:700; padding:0 10px; border-radius:30px; margin-left:auto; flex-shrink:0; min-width:22px; text-align:center; line-height:1.8; }
.nav-item.collection.active .fav-count { background:rgba(255,255,255,0.3); color:#fff; }
.nav-divider { height:1px; background:#dce6f0; margin:6px 10px; }
.nav-item.reset-btn { color:#b34a4a; }
.nav-item.reset-btn i { color:#b34a4a; }
.nav-item.reset-btn.active { background:#b34a4a; color:#fff; }
.nav-item.reset-btn.active i { color:#fff; }

/* ★★★ 高级筛选高亮背景 ★★★ */
.nav-item.filter-highlight {
    background-color: #DCE8FF;
    border-radius: 12px;
    margin: 2px 0;
}
.nav-item.filter-highlight.active {
    background-color: #2d6cb5;
    color: #fff;
}
.nav-item.filter-highlight.active i {
    color: #fff;
}

/* ===== 5. 右栏内容 ===== */
.right-content { flex:1; overflow-y:auto; -webkit-overflow-scrolling:touch; padding:0 16px 20px; background:#fcfdff; position:relative; }
.right-content::-webkit-scrollbar { width:3px; }
.right-content::-webkit-scrollbar-thumb { background:#c5d4e3; border-radius:10px; }

/* ===== 6. 问候语 & 场景快捷 ===== */
.greeting-area, .scene-quick, .result-header { background:#EFF4FF; }
.greeting-area { display:flex; flex-direction:column; gap:4px; padding:10px 0 4px 0; margin-bottom:0; }
.greeting-area .greeting-text { font-size:1.4rem; font-weight:700; color:#1a2f4a; line-height:1.4; }
.greeting-area .greeting-text #userName { font-size:1.2rem; }

.scene-quick { display:grid; grid-template-columns:repeat(4,1fr); gap:8px; padding:0 0 8px 0; margin-bottom:0; }
.scene-item { display:flex; flex-direction:column; align-items:center; justify-content:center; background:#fff; border-radius:14px; padding:12px 4px 10px; border:1.5px solid #e2edf7; cursor:pointer; transition:all 0.2s; min-height:68px; box-shadow:0 2px 6px rgba(0,0,0,0.02); }
.scene-item:active { transform:scale(0.95); }
.scene-item i { font-size:1.6rem; margin-bottom:3px; }
.scene-item span { font-size:0.78rem; font-weight:600; color:#2c4c6e; text-align:center; line-height:1.4; }
.scene-item:hover { border-color:#2d6cb5; background:#f5faff; }
.scene-item .scene-tag { font-size:0.55rem; background:#eef3fc; color:#2d6cb5; padding:0 8px; border-radius:30px; margin-top:2px; line-height:1.6; }

/* ===== 7. 排序栏 ===== */
.result-header { position:sticky; top:0; z-index:10; padding:6px 12px 8px 0; border-bottom:1px solid #d6e0ed; margin-bottom:12px; display:flex; justify-content:flex-end; align-items:center; flex-wrap:wrap; gap:6px; min-height:46px; }
.sort-group { display:flex; gap:4px; flex-wrap:wrap; }
.sort-group .sort-btn { display:flex; align-items:center; gap:5px; background:transparent; border:none; color:#5a7a9a; font-size:0.88rem; font-weight:500; cursor:pointer; padding:5px 14px; border-radius:24px; transition:all 0.2s; }
.sort-group .sort-btn:hover { background:#eef3fc; color:#2d6cb5; }
.sort-group .sort-btn.active { color:#2d6cb5; background:#eef3fc; font-weight:600; }
.sort-group .sort-btn .sort-icon { font-size:0.85rem; color:#b0c4d8; transition:color 0.2s; margin-left:2px; }
.sort-group .sort-btn.active .sort-icon { color:#2d6cb5; }
.sort-group .sort-btn:active { transform:scale(0.93); }

/* ===== 8. 推荐卡片 & 路线卡片 ===== */
.featured-grid { display:grid; grid-template-columns:1fr; gap:10px; margin-bottom:12px; }
.featured-card { background:#fff9f0; border-radius:12px; padding:14px 16px; border:1px solid #f0e4d0; cursor:pointer; transition:all 0.2s; }
.featured-card:active { transform:scale(0.98); }
.featured-card .badge { display:inline-block; background:#f5a623; color:#fff; font-size:0.62rem; font-weight:700; padding:0 12px; border-radius:30px; margin-bottom:4px; line-height:1.8; }
.featured-card h3 { font-size:1.05rem; color:#1a4c7a; margin-bottom:2px; line-height:1.4; }
.featured-card .meta { font-size:0.72rem; color:#6f8aa8; display:flex; flex-wrap:wrap; gap:8px; line-height:1.6; }
.featured-card .desc { font-size:0.82rem; color:#4a6a8a; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; margin-top:4px; line-height:1.6; }
.featured-card .tags { display:flex; flex-wrap:wrap; gap:4px; margin-top:6px; }
.featured-card .tags span { background:#eef3fc; color:#2d6cb5; font-size:0.58rem; padding:0 10px; border-radius:30px; line-height:1.8; }
.featured-card .goto { color:#2d6cb5; font-size:0.75rem; font-weight:600; display:block; text-align:right; margin-top:4px; }

.routes-grid { display:grid; grid-template-columns:1fr; gap:12px; margin-bottom:12px; }
.route-card { background:#fff; border-radius:14px; border:1.5px solid #e2edf7; overflow:hidden; transition:all 0.15s; box-shadow:0 2px 6px rgba(0,0,0,0.02); }
.route-card:active { transform:scale(0.99); }
.route-card .card-body { padding:14px 16px 10px; }
.route-card .card-top { display:flex; justify-content:space-between; align-items:flex-start; gap:6px; }
.route-card .card-top .number { background:#eef3fc; color:#2d6cb5; font-weight:700; font-size:0.65rem; padding:0 14px; border-radius:30px; flex-shrink:0; line-height:2; }
.route-card .card-top .title { font-size:1.05rem; font-weight:700; color:#1a4c7a; line-height:1.4; word-break:break-word; }
.route-card .meta-row { display:flex; flex-wrap:wrap; gap:10px; font-size:0.72rem; color:#527a9b; margin:5px 0 4px; line-height:1.6; }
.route-card .meta-row i { width:1rem; color:#3f7eac; }
.route-card .desc { font-size:0.82rem; color:#2c4c6e; line-height:1.6; margin:4px 0 6px; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.route-card .tags { display:flex; flex-wrap:wrap; gap:4px; margin-bottom:4px; }
.route-card .tags span { background:#f0f6fe; color:#2d6cb5; font-size:0.58rem; padding:0 10px; border-radius:30px; line-height:1.8; }
.route-card .card-footer { padding:6px 16px 12px; border-top:1px solid #f0f4f9; display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:6px; background:#fafcfe; }
.route-card .card-footer .price { font-weight:700; color:#dc6b2c; font-size:0.9rem; }
.route-card .card-footer .price .daily { font-weight:400; color:#7f9bb8; font-size:0.7rem; }
.route-card .card-footer .actions { display:flex; gap:6px; align-items:center; }
.route-card .card-footer .actions .fav { background:transparent; border:none; font-size:1.1rem; color:#c5d4e3; cursor:pointer; transition:all 0.2s; padding:0 4px; }
.route-card .card-footer .actions .fav.active { color:#e74c3c; }
.route-card .card-footer .actions .fav:active { transform:scale(0.85); }
.route-card .card-footer .actions .detail-link { background:#2d6cb5; color:#fff; border:none; border-radius:40px; padding:4px 16px; font-size:0.72rem; font-weight:600; cursor:pointer; transition:all 0.2s; text-decoration:none; line-height:2; }
.route-card .card-footer .actions .detail-link:active { transform:scale(0.93); }

.load-more-wrap { text-align:center; padding:4px 0 10px; margin-bottom:40px; }
.load-more-wrap .load-btn { background:#eef3fc; color:#2d6cb5; border:none; border-radius:40px; padding:8px 32px; font-size:0.9rem; font-weight:600; cursor:pointer; transition:all 0.2s; width:100%; max-width:320px; line-height:1.6; }
.load-more-wrap .load-btn:disabled { opacity:0.4; cursor:not-allowed; }
.load-more-wrap .load-btn:active { transform:scale(0.97); }

/* ===== 9. 空状态 ===== */
.empty-state { text-align:center; padding:40px 16px; color:#7f9bb8; }
.empty-state i { font-size:2.4rem; color:#c5d4e3; margin-bottom:8px; }
.empty-state h3 { color:#1a4c7a; font-size:1.1rem; margin-bottom:4px; }
.empty-state p { font-size:0.85rem; }
.empty-state .hot-tips { margin-top:10px; display:flex; flex-wrap:wrap; justify-content:center; gap:6px; }
.empty-state .hot-tips span { background:#eef3fc; color:#2d6cb5; padding:4px 16px; border-radius:30px; font-size:0.8rem; cursor:pointer; line-height:1.8; }
.empty-state.collection-empty i { color:#e74c3c; font-size:3rem; }
.empty-state .explore-btn { display:inline-block; margin-top:14px; padding:10px 36px; background:#2d6cb5; color:#fff; border-radius:40px; font-size:0.95rem; font-weight:600; cursor:pointer; border:none; transition:all 0.2s; text-decoration:none; line-height:1.6; }
.empty-state .explore-btn:hover { background:#1a4c7a; transform:scale(1.02); }

/* ===== 10. 弹窗通用 ===== */
.modal-overlay { position:fixed; top:0; left:0; width:100%; height:100%; background:rgba(0,0,0,0.4); z-index:2000; opacity:0; pointer-events:none; transition:opacity 0.25s ease; display:flex; align-items:flex-end; justify-content:center; }
.modal-overlay.open { opacity:1; pointer-events:auto; }
.modal-content { background:#f5f8fc; border-radius:20px 20px 0 0; width:100%; max-width:560px; max-height:85vh; transform:translateY(100%); transition:transform 0.3s cubic-bezier(0.22,1,0.36,1); overflow:hidden; display:flex; flex-direction:column; }
.modal-overlay.open .modal-content { transform:translateY(0); }
.modal-header { background:#2d6cb5; color:#fff; padding:14px 20px; display:flex; justify-content:space-between; align-items:center; flex-shrink:0; }
.modal-header h2 { font-size:1.1rem; font-weight:700; display:flex; align-items:center; gap:8px; }
.modal-header .close-modal { background:rgba(255,255,255,0.2); border:none; color:#fff; width:36px; height:36px; border-radius:50%; font-size:20px; cursor:pointer; display:flex; align-items:center; justify-content:center; }
.modal-header .close-modal:active { transform:scale(0.9); }
.modal-body { padding:16px 20px 24px; overflow-y:auto; -webkit-overflow-scrolling:touch; flex:1; }
.modal-body::-webkit-scrollbar { width:3px; }
.modal-body::-webkit-scrollbar-thumb { background:#c5d4e3; border-radius:10px; }

/* ===== 11. 弹窗筛选项 ===== */
.filter-section { margin-bottom:18px; }
.filter-section .filter-label { font-weight:600; color:#1a4c7a; font-size:0.85rem; margin-bottom:6px; display:block; }
.filter-section .filter-label .hint { font-weight:400; color:#7f9bb8; font-size:0.7rem; margin-left:6px; }
.modal-options { display:flex; flex-wrap:wrap; gap:6px; }
.modal-options .opt { background:#fff; color:#2d6cb5; border:1.5px solid #dce6f0; border-radius:30px; padding:6px 16px; font-size:0.82rem; font-weight:500; cursor:pointer; transition:all 0.2s; user-select:none; line-height:1.6; }
.modal-options .opt:active { transform:scale(0.95); }
.modal-options .opt.active { background:#2d6cb5; color:#fff; border-color:#2d6cb5; }
.modal-search { display:flex; gap:10px; margin-bottom:6px; }
.modal-search input { flex:1; padding:10px 16px; border:1.5px solid #dce6f0; border-radius:30px; font-size:0.9rem; outline:none; background:#fff; }
.modal-search input:focus { border-color:#2d6cb5; }
.modal-search .btn-search-sm { background:#2d6cb5; color:#fff; border:none; border-radius:30px; padding:8px 20px; font-weight:600; font-size:0.85rem; cursor:pointer; white-space:nowrap; transition:background 0.2s; }
.modal-search .btn-search-sm:active { transform:scale(0.95); }
.modal-actions { display:flex; gap:10px; margin-top:16px; justify-content:flex-end; border-top:1px solid #e2edf7; padding-top:16px; }
.modal-actions .btn-apply { background:#2d6cb5; color:#fff; border:none; border-radius:30px; padding:10px 32px; font-size:0.95rem; font-weight:600; cursor:pointer; transition:all 0.2s; }
.modal-actions .btn-apply:active { transform:scale(0.95); }
.modal-actions .btn-reset-filter { background:transparent; color:#7f9bb8; border:1.5px solid #dce6f0; border-radius:30px; padding:10px 24px; font-size:0.9rem; font-weight:500; cursor:pointer; transition:all 0.2s; }
.modal-actions .btn-reset-filter:active { transform:scale(0.95); }

/* ===== 12. 目标区域弹窗（左右布局） ===== */
.region-modal .modal-body { padding:0; display:flex; height:60vh; max-height:500px; }
.region-modal .region-left { width:50px; background:#eef3f8; overflow-y:auto; text-align:center; padding:8px 0; flex-shrink:0; }
.region-modal .region-left .letter { display:block; padding:6px 0; font-weight:600; font-size:0.85rem; color:#2d6cb5; cursor:pointer; border-radius:4px; transition:background 0.1s; }
.region-modal .region-left .letter:hover { background:#d6e4f0; }
.region-modal .region-left .letter.active { background:#2d6cb5; color:#fff; }
.region-modal .region-right { flex:1; overflow-y:auto; padding:12px 16px; background:#fff; }
.region-modal .region-right .letter-divider {
    display: block;
    height: 0;
    overflow: visible;
    scroll-margin-top: 12px;
}
.region-modal .region-right .province-group { margin-bottom:16px; }
.region-modal .region-right .province-name { font-weight:700; font-size:0.95rem; color:#1a4c7a; cursor:pointer; padding:4px 0; border-bottom:1px solid #e2edf7; margin-bottom:4px; display:flex; align-items:center; gap:8px; }
.region-modal .region-right .province-name:hover { color:#2d6cb5; }
.region-modal .region-right .province-name .badge-count { font-weight:400; font-size:0.7rem; color:#7f9bb8; background:#eef3fc; padding:0 10px; border-radius:30px; line-height:1.6; }
.region-modal .region-right .county-list { display:flex; flex-wrap:wrap; gap:6px; padding-left:8px; }
.region-modal .region-right .county-item { background:#f0f6fe; color:#2d6cb5; font-size:0.78rem; padding:2px 12px; border-radius:30px; cursor:pointer; transition:all 0.15s; line-height:1.8; }
.region-modal .region-right .county-item:hover { background:#2d6cb5; color:#fff; }
.region-modal .region-right .no-data { color:#7f9bb8; font-size:0.8rem; padding-left:8px; font-style:italic; }

/* ===== 13. 底部按钮 & 返回顶部 ===== */
.bottom-buttons { position:fixed; bottom:12px; left:0; right:0; display:flex; justify-content:center; gap:14px; z-index:500; pointer-events:none; }
.bottom-buttons .bottom-btn { background:#2d6cb5; color:#fff; border:none; border-radius:60px; padding:8px 22px; font-size:15px; font-weight:600; display:inline-flex; align-items:center; gap:6px; box-shadow:0 4px 16px rgba(0,0,0,0.18); cursor:pointer; transition:all 0.2s; text-decoration:none; pointer-events:auto; line-height:1.6; }
.bottom-buttons .bottom-btn:active { transform:scale(0.95); }
.bottom-buttons .bottom-btn.collection-btn { background:#e74c3c; }
.bottom-buttons .bottom-btn.collection-btn:hover { background:#c0392b; }
.bottom-buttons .bottom-btn .fav-count-badge { background:rgba(255,255,255,0.25); border-radius:30px; padding:0 10px; font-size:0.75rem; margin-left:4px; line-height:1.8; }

/* ★★★ 底部“我的”气泡菜单 ★★★ */
.me-popup {
    position: fixed;
    bottom: 76px;          /* 在底部按钮上方 */
    right: 16px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
    padding: 8px 0;
    min-width: 140px;
    z-index: 600;
    border: 1px solid #e2edf7;
}
.me-popup-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    font-size: 0.9rem;
    color: #1a2f4a;
    cursor: pointer;
    transition: background 0.15s;
    border-bottom: 1px solid #f0f4f9;
}
.me-popup-item:last-child {
    border-bottom: none;
}
.me-popup-item:hover {
    background: #f0f6fe;
}
.me-popup-item i {
    width: 20px;
    text-align: center;
    color: #2d6cb5;
}

/* 移动端适配 */
@media (max-width: 480px) {
    .me-popup {
        right: 10px;
        bottom: 68px;
        min-width: 120px;
    }
    .me-popup-item {
        padding: 8px 14px;
        font-size: 0.85rem;
    }
}

.back-to-top { position:fixed; bottom:76px; right:12px; width:40px; height:40px; background:#2d6cb5; color:#fff; border:none; border-radius:50%; font-size:1rem; box-shadow:0 4px 14px rgba(45,108,181,0.25); cursor:pointer; transition:all 0.3s ease; z-index:500; display:flex; align-items:center; justify-content:center; opacity:0; pointer-events:none; transform:translateY(16px); }
.back-to-top.show { opacity:1; pointer-events:auto; transform:translateY(0); }
.back-to-top:active { transform:scale(0.88); }

/* ===== 14. 响应式（含适老化） ===== */
@media (min-width:769px) {
    .left-nav { width:22%; min-width:150px; max-width:200px; padding:12px 10px 18px; }
    .nav-item { font-size:1.05rem; padding:12px 12px 12px 14px; min-height:54px; }
    .nav-item i { font-size:1.3rem; width:28px; }
    .right-content { padding:0 24px 24px; }
    .featured-grid { grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); }
    .routes-grid { grid-template-columns:repeat(auto-fill,minmax(340px,1fr)); }
    .app-header h1 { font-size:19px; }
    .modal-content { max-width:600px; border-radius:20px 20px 0 0; }
    .scene-quick { gap:10px; }
    .scene-item { min-height:76px; padding:14px 4px 12px; }
    .scene-item i { font-size:1.8rem; }
    .scene-item span { font-size:0.85rem; }
    .sort-group .sort-btn { font-size:0.95rem; padding:6px 16px; }
    .result-header { padding:6px 14px 8px 0; min-height:48px; }
    .greeting-area { padding:12px 0 6px 0; }
    .greeting-area .greeting-text { font-size:1.5rem; }
    .route-card .card-top .title { font-size:1.1rem; }
    .route-card .desc { font-size:0.88rem; }
    .bottom-buttons .bottom-btn { padding:10px 28px; font-size:17px; }
    .region-modal .region-left { width:60px; }
    .region-modal .region-left .letter { font-size:0.95rem; padding:8px 0; }
}

@media (max-width:480px) {
    body { font-size:17px; }
    .left-nav { width:26%; min-width:90px; padding:6px 4px 12px; }
    .nav-item { font-size:0.85rem; padding:10px 6px 10px 8px; gap:4px; min-height:48px; border-radius:8px; }
    .nav-item i { font-size:1rem; width:20px; }
    .nav-item .nav-label { font-size:0.85rem; }
    .right-content { padding:0 10px 16px; }
    .greeting-area .greeting-text { font-size:1.2rem; }
    .greeting-area { padding:8px 0 4px 0; }
    .scene-quick { gap:6px; }
    .scene-item { min-height:60px; padding:10px 2px 8px; border-radius:10px; }
    .scene-item i { font-size:1.3rem; }
    .scene-item span { font-size:0.65rem; }
    .scene-item .scene-tag { font-size:0.5rem; padding:0 10px; }
    .result-header { padding:6px 8px 8px 0; min-height:44px; gap:4px; }
    .sort-group .sort-btn { font-size:0.82rem; padding:6px 10px; min-height:36px; }
    .sort-group .sort-btn .sort-icon { font-size:0.7rem; }
    .featured-card { padding:12px 14px; }
    .featured-card h3 { font-size:1rem; }
    .featured-card .desc { font-size:0.8rem; }
    .route-card .card-body { padding:12px 12px 8px; }
    .route-card .card-top .title { font-size:0.95rem; }
    .route-card .meta-row { font-size:0.7rem; gap:8px; }
    .route-card .desc { font-size:0.78rem; }
    .route-card .card-footer { padding:6px 12px 10px; }
    .route-card .card-footer .price { font-size:0.85rem; }
    .route-card .card-footer .actions .detail-link { padding:6px 14px; font-size:0.7rem; min-height:36px; }
    .route-card .card-footer .actions .fav { font-size:1.2rem; padding:4px 6px; }
    .route-card .tags span { font-size:0.6rem; padding:0 12px; line-height:2; }
    .load-more-wrap .load-btn { padding:10px 24px; font-size:0.9rem; min-height:44px; }
    .modal-content { max-width:100%; max-height:90vh; }
    .modal-header h2 { font-size:1rem; }
    .modal-body { padding:12px 14px 18px; }
    .filter-section .filter-label { font-size:0.85rem; padding:4px 8px; }
    .modal-options .opt,
    .filter-modal-content .opt {
        font-size:0.85rem !important;
        padding:4px 12px !important;
        min-height:36px;
        border-radius:30px;
        margin:2px 0;
        line-height:1.8;
    }
    .modal-options { gap:8px; }
    .modal-actions .btn-apply { padding:10px 24px; font-size:0.9rem; min-height:44px; }
    .modal-actions .btn-reset-filter { padding:10px 18px; font-size:0.85rem; min-height:44px; }
    .bottom-buttons .bottom-btn { padding:8px 18px; font-size:15px; min-height:44px; }
    .back-to-top { width:44px; height:44px; font-size:1.1rem; bottom:72px; right:10px; }
    .region-modal .region-left { width:48px; }
    .region-modal .region-left .letter { font-size:0.75rem; padding:6px 0; }
    .region-modal .region-right .province-name { font-size:0.9rem; }
    .region-modal .region-right .county-item { font-size:0.8rem; padding:4px 14px; min-height:34px; }
    .me-popup {
        right: 10px;
        bottom: 68px;
        min-width: 120px;
    }
    .me-popup-item {
        padding: 8px 14px;
        font-size: 0.85rem;
    }
}

@media (min-width:481px) and (max-width:768px) {
    body { font-size:17px; }
    .left-nav { min-width:100px; }
    .nav-item { font-size:0.9rem; padding:10px 8px; min-height:46px; }
    .scene-item { min-height:56px; }
    .scene-item span { font-size:0.7rem; }
    .modal-options .opt { font-size:0.85rem; padding:8px 18px; min-height:38px; }
    .bottom-buttons .bottom-btn { padding:10px 24px; font-size:16px; min-height:44px; }
    .route-card .card-top .title { font-size:1rem; }
    .route-card .desc { font-size:0.8rem; }
    .me-popup {
        right: 14px;
        bottom: 72px;
        min-width: 130px;
    }
    .me-popup-item {
        padding: 9px 16px;
        font-size: 0.9rem;
    }
}

/* ===== 目标区域：无路线区县置灰 ===== */
.region-modal .region-right .county-item.no-route {
    background: #f0f2f5;
    color: #b0b8c5;
    cursor: not-allowed;
    border: 1px solid #e8ecf0;
}
.region-modal .region-right .county-item.no-route:hover {
    background: #f0f2f5;
    color: #b0b8c5;
}

/* ============================================================
   高级筛选弹窗 - 专用样式（最终修正）
   ============================================================ */

.filter-modal-content .modal-body {
    padding: 16px 20px 0;
    display: flex;
    flex-direction: column;
}
.filter-modal-content .filter-scroll-area {
    flex: 1;
    overflow-y: auto;
    padding: 8px 4px 0;
    -webkit-overflow-scrolling: touch;
}
.filter-modal-content .filter-scroll-area::-webkit-scrollbar {
    width: 3px;
}
.filter-modal-content .filter-scroll-area::-webkit-scrollbar-thumb {
    background: #c5d4e3;
    border-radius: 10px;
}
.filter-modal-content .filter-label {
    display: block;
    font-weight: 700;
    font-size: 0.9rem;
    color: #1a3a5c;
    margin-bottom: 6px;
    padding: 4px 12px;
    background: #D6EAFF;
    border-radius: 6px;
    border-left: 4px solid #2d6cb5;
    line-height: 1.8;
}
.filter-modal-content .filter-label i {
    margin-right: 6px;
}
.filter-modal-content .modal-actions {
    position: sticky;
    bottom: 0;
    z-index: 10;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 12px;
    padding: 8px 0 10px 0;
    margin: 0;
    border-top: 1px solid #e2edf7;
    background: #f8fafc;
    border-radius: 0;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.06);
    width: 100%;
}
.filter-modal-content .modal-actions .btn-wrapper {
    display: flex;
    gap: 12px;
    padding-right: 20px;
}
.filter-modal-content .modal-actions .btn-apply {
    background: #2d6cb5;
    color: #fff;
    border: none;
    border-radius: 30px;
    padding: 10px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    line-height: 1.6;
}
.filter-modal-content .modal-actions .btn-apply:hover {
    background: #1a4c7a;
    transform: scale(1.02);
}
.filter-modal-content .modal-actions .btn-apply:active {
    transform: scale(0.95);
}
.filter-modal-content .modal-actions .btn-reset-filter {
    background: transparent;
    color: #7f9bb8;
    border: 1.5px solid #dce6f0;
    border-radius: 30px;
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    line-height: 1.6;
}
.filter-modal-content .modal-actions .btn-reset-filter:hover {
    background: #eef3fc;
    color: #2d6cb5;
    border-color: #2d6cb5;
}
.filter-modal-content .modal-actions .btn-reset-filter:active {
    transform: scale(0.95);
}
.filter-modal-content .opt {
    display: inline-block;
    background: #ffffff;
    color: #2d6cb5;
    border: 1.5px solid #dce6f0;
    border-radius: 30px;
    padding: 6px 16px;
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    user-select: none;
    transition: all 0.2s;
    line-height: 1.6;
    white-space: nowrap;
    margin: 2px 0;
}
.filter-modal-content .opt:hover {
    border-color: #2d6cb5;
    background: #f5faff;
}
.filter-modal-content .opt.active,
.filter-modal-content .modal-options .opt.active,
.filter-modal-content .filter-scroll-area .opt.active,
.filter-modal-content .filter-section .opt.active,
.filter-modal-content .opt[data-group].active {
    background: #056FC0 !important;
    color: #ffffff !important;
    border-color: #056FC0 !important;
    box-shadow: 0 2px 8px rgba(12, 74, 122, 0.4) !important;
}
.filter-modal-content .opt.active:hover,
.filter-modal-content .opt[data-group].active:hover {
    background: #083a60 !important;
    border-color: #083a60 !important;
    box-shadow: 0 2px 12px rgba(12, 74, 122, 0.5) !important;
}

@media (max-width: 480px) {
    .filter-modal-content .filter-scroll-area { padding: 6px 2px 0; }
    .filter-modal-content .modal-actions { padding: 8px 0 12px 0; gap: 8px; }
    .filter-modal-content .modal-actions .btn-wrapper { gap: 8px; padding-right: 14px; }
    .filter-modal-content .modal-actions .btn-apply { padding: 10px 20px; font-size: 0.9rem; min-height: 44px; }
    .filter-modal-content .modal-actions .btn-reset-filter { padding: 10px 16px; font-size: 0.85rem; min-height: 44px; }
    .filter-modal-content .filter-label { font-size: 0.85rem; padding: 4px 10px; }
    .filter-modal-content .opt,
    .filter-modal-content .modal-options .opt {
        font-size: 0.88rem !important;
        padding: 4px 12px !important;
        min-height: 36px;
        border-radius: 30px;
        margin: 3px 0;
        line-height: 1.8;
    }
    .filter-modal-content .opt.active { box-shadow: 0 2px 10px rgba(12, 74, 122, 0.4) !important; }
}