feat(web/route): 适配移动端响应式布局 + 统一站点拖拽逻辑

1. 线路规划页面(/route)移动端适配:
   - 新增 980px / 768px / 480px 三档响应式CSS
   - 侧边栏改为抽屉式叠加层，主容器垂直流式布局
   - 顶部导航、工具栏、编辑器堆叠式排列
   - SVG线路容器开启横向惯性滚动，最小宽度720px
   - 票价地图、表格、模态框均针对小屏优化
   - 按钮/输入框统一最小高度44px，满足可访问性

2. 重构站点拖拽逻辑（修复电脑端拖拽失效）:
   - 原实现：mousemove绑定单站点<g>，鼠标离开即丢失拖拽
   - 新实现：mousedown/touchstart仅记录起点，
     window级别监听 mousemove/mouseup/touchmove/touchend
   - 通过 SVG createSVGPoint + getScreenCTM().inverse()
     统一将屏幕坐标转换为SVG逻辑坐标再换算站点索引
   - 共用 swapStationByIndex() / saveDragResult() 核心函数

3. 静态资源版本号升级: style.css v16, ticket-route.js v5

web/style.css

@@ -4647,6 +4647,298 @@ body.jr-admin-login-page {
     }
 }
 
+/* ========== Route 页面移动端专项适配 ========== */
+@media (max-width: 980px) {
+    body.jr-admin-route-page {
+        overflow: auto;
+    }
+    body.jr-admin-route-page #app {
+        min-height: auto;
+        height: auto;
+    }
+    .jr-admin-route-page .jr-admin-app {
+        min-height: auto;
+        border-radius: 0;
+    }
+    .jr-admin-route-page .jr-admin-main-shell {
+        width: min(100%, calc(100% - 24px));
+        padding: 12px 0 24px;
+    }
+    .jr-admin-route-page .jr-admin-app {
+        flex-direction: column;
+    }
+    .jr-admin-route-page .sidebar {
+        width: 86%;
+        max-width: 340px;
+    }
+    .jr-admin-route-page .jr-admin-header-side {
+        width: auto;
+        justify-content: flex-end;
+    }
+}
+
+@media (max-width: 768px) {
+    body.jr-admin-route-page .jr-topbar-inner {
+        min-height: 52px;
+        flex-direction: column;
+        align-items: flex-start;
+        justify-content: center;
+        padding: 8px 0;
+        gap: 6px;
+    }
+    body.jr-admin-route-page .jr-top-status {
+        font-size: 0.8rem;
+        padding: 5px 10px;
+    }
+    body.jr-admin-route-page .jr-brandbar-inner {
+        min-height: auto;
+        padding: 14px 0;
+        flex-direction: column;
+        align-items: flex-start;
+        gap: 12px;
+    }
+    body.jr-admin-route-page .jr-nav {
+        width: 100%;
+        justify-content: flex-start;
+        overflow-x: auto;
+        -webkit-overflow-scrolling: touch;
+    }
+    body.jr-admin-route-page .jr-nav a {
+        min-width: 88px;
+        padding: 8px 12px;
+        font-size: 0.85rem;
+        flex-shrink: 0;
+    }
+
+    .jr-admin-route-page .jr-admin-page .header,
+    .jr-admin-route-page .jr-admin-page .content {
+        padding-left: 14px;
+        padding-right: 14px;
+    }
+    .jr-admin-route-page .content {
+        padding: 14px;
+    }
+    .jr-admin-route-page .header {
+        padding: 12px 14px;
+        min-height: 60px;
+        flex-wrap: wrap;
+        gap: 10px;
+    }
+
+    .jr-admin-route-page .jr-page-intro {
+        padding: 18px 16px;
+    }
+    .jr-admin-route-page .jr-page-intro h1 {
+        font-size: clamp(1.4rem, 6vw, 2rem);
+    }
+    .jr-admin-route-page .jr-page-intro p {
+        font-size: 0.9rem;
+        line-height: 1.6;
+    }
+
+    .jr-admin-route-page .card {
+        padding: 14px;
+        margin-bottom: 14px;
+    }
+
+    .jr-admin-route-page .management-container {
+        flex-direction: column;
+        gap: 14px;
+        height: auto;
+        overflow: visible;
+    }
+    .jr-admin-route-page .management-sidebar {
+        width: 100%;
+        max-height: 380px;
+    }
+    .jr-admin-route-page .management-main {
+        overflow: visible;
+        min-height: 400px;
+    }
+
+    .jr-admin-route-page .editor-toolbar {
+        flex-direction: column;
+        align-items: stretch;
+        gap: 12px;
+    }
+    .jr-admin-route-page .editor-toolbar > .flex:first-child {
+        flex-direction: column;
+        align-items: flex-start;
+        gap: 10px;
+    }
+    .jr-admin-route-page .switch-label {
+        width: 100%;
+        margin-left: 0 !important;
+    }
+    .jr-admin-route-page .hint-text {
+        margin-left: 0;
+        width: 100%;
+        word-break: break-word;
+    }
+    .jr-admin-route-page .editor-toolbar > .flex:last-child {
+        background: transparent !important;
+        padding: 0 !important;
+        flex-direction: column;
+        gap: 8px;
+    }
+    .jr-admin-route-page .editor-toolbar > .flex:last-child input,
+    .jr-admin-route-page .editor-toolbar > .flex:last-child button {
+        width: 100%;
+    }
+
+    .jr-admin-route-page .visual-line-container {
+        padding: 16px 10px;
+        min-height: 280px;
+        cursor: default;
+        overflow-x: auto;
+        overflow-y: hidden;
+        -webkit-overflow-scrolling: touch;
+    }
+    .jr-admin-route-page .visual-line-container svg {
+        min-width: 720px;
+        height: 220px;
+    }
+
+    .jr-admin-route-page .faremap-card .flex.between {
+        flex-direction: column;
+        align-items: flex-start;
+        gap: 12px;
+    }
+    .jr-admin-route-page .faremap-card .flex.between > .flex:last-child {
+        width: 100%;
+        flex-wrap: wrap;
+    }
+    .jr-admin-route-page .faremap-card .flex.between > .flex:last-child button {
+        flex: 1;
+        min-width: 52px;
+    }
+    .jr-admin-route-page .faremap-viewport {
+        max-height: 60vh;
+    }
+    .jr-admin-route-page .faremap-canvas {
+        min-width: 100%;
+    }
+
+    .jr-admin-route-page .ticket-table,
+    .jr-admin-route-page table {
+        display: block;
+        overflow-x: auto;
+        white-space: nowrap;
+        font-size: 0.85rem;
+    }
+    .jr-admin-route-page .ticket-table th,
+    .jr-admin-route-page .ticket-table td,
+    .jr-admin-route-page table th,
+    .jr-admin-route-page table td {
+        padding: 10px 12px;
+        white-space: nowrap;
+    }
+
+    .jr-admin-route-page .modal-card {
+        width: 96%;
+        max-width: 96%;
+        padding: 18px 16px;
+        max-height: 92vh;
+        border-radius: 0;
+    }
+    .jr-admin-route-page .modal-title {
+        font-size: 1.05rem;
+        margin-bottom: 16px;
+    }
+    .jr-admin-route-page .modal-actions {
+        flex-direction: column-reverse;
+        margin-top: 20px;
+        gap: 8px;
+    }
+    .jr-admin-route-page .modal-actions button {
+        width: 100%;
+        min-height: 48px;
+    }
+    .jr-admin-route-page select[multiple] {
+        height: 160px;
+        font-size: 0.9rem;
+    }
+
+    .jr-admin-route-page button,
+    .jr-admin-route-page .btn {
+        min-height: 44px;
+        padding: 0 14px;
+    }
+    .jr-admin-route-page button.sm,
+    .jr-admin-route-page .btn.sm {
+        min-height: 36px;
+        min-width: 36px;
+    }
+    .jr-admin-route-page .icon-btn {
+        width: 44px;
+        height: 44px;
+    }
+    .jr-admin-route-page input,
+    .jr-admin-route-page select {
+        min-height: 44px;
+        font-size: 1rem;
+    }
+
+    .jr-admin-route-page .line-item {
+        padding: 14px 12px;
+        min-height: 56px;
+    }
+    .jr-admin-route-page .line-item .line-actions {
+        opacity: 1;
+    }
+    .jr-admin-route-page .line-item .line-actions button {
+        min-height: 36px;
+        min-width: 36px;
+    }
+
+    .jr-admin-route-page .site-footer {
+        margin-top: 20px;
+        padding-top: 12px;
+        font-size: 11px;
+    }
+}
+
+@media (max-width: 480px) {
+    .jr-admin-route-page .header h3 {
+        font-size: 1rem;
+    }
+    .jr-admin-route-page .jr-admin-header-pill {
+        font-size: 11px;
+        padding: 6px 10px;
+    }
+    .jr-admin-route-page .badge {
+        font-size: 0.7rem;
+        padding: 2px 5px;
+    }
+    .jr-admin-route-page h4 {
+        font-size: 0.95rem;
+        margin-bottom: 0.75rem;
+    }
+    .jr-admin-route-page h3 {
+        font-size: 1.1rem;
+    }
+    .jr-admin-route-page .jr-brand-copy strong {
+        font-size: 1rem;
+    }
+    .jr-admin-route-page .jr-brand-copy span {
+        font-size: 0.78rem;
+    }
+    .jr-admin-route-page .jr-brand-logo {
+        width: 40px;
+        height: 40px;
+    }
+    .jr-admin-route-page .faremap-viewport {
+        max-height: 50vh;
+    }
+    .jr-admin-route-page .visual-line-container svg {
+        min-width: 640px;
+    }
+    .jr-admin-route-page #app .ticket-header .flex.between:last-of-type {
+        flex-direction: column;
+        align-items: flex-start;
+    }
+}
+
 /* Static Map Overlays */
 .map-station-overlay {
     z-index: 10;