:root{
  --red:#c8322b; --red-dark:#a0231e; --gold:#c9a227;
  --bg:#f5f5f2; --panel:#ffffff; --line:#e4e2dd;
  --text:#26241f; --sub:#7a766c; --blue:#2f6db3;
}
*{margin:0;padding:0;box-sizing:border-box;}
html,body{height:100%;}
body{font-family:"Microsoft YaHei","PingFang SC",sans-serif;background:var(--bg);color:var(--text);height:100vh;overflow:hidden;display:flex;flex-direction:column;-webkit-tap-highlight-color:transparent;}
.hidden{display:none!important;}
h1{font-size:17px;font-weight:700;}
h3{font-size:14px;margin-bottom:10px;}
h4{font-size:12px;}

/* ---------- 顶栏 ---------- */
.topbar{background:#fff;border-bottom:1px solid var(--line);padding:10px 20px;display:flex;justify-content:space-between;align-items:center;flex-shrink:0;gap:10px;}
.brand{display:flex;gap:12px;align-items:center;min-width:0;}
.brand-badge{background:var(--red);color:#fff;font-size:10px;letter-spacing:2px;padding:4px 8px;border-radius:3px;font-weight:700;flex-shrink:0;}
.brand p{font-size:11px;color:var(--sub);margin-top:2px;}
.brand h1{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.top-stats{display:flex;gap:22px;flex-shrink:0;}
.stat{text-align:right;}
.stat b{display:block;font-size:18px;color:var(--red);font-weight:700;}
.stat span{font-size:11px;color:var(--sub);}
.notice{background:#fdf9ec;color:#8a6d1a;font-size:12px;padding:7px 20px;border-bottom:1px solid #f0e6c8;flex-shrink:0;}

/* ---------- 布局 ---------- */
.layout{flex:1;display:flex;min-height:0;}
.sidebar{width:390px;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;flex-shrink:0;}
.nav{display:flex;border-bottom:1px solid var(--line);}
.nav-item{flex:1;background:none;border:none;padding:11px 4px;font-size:12px;cursor:pointer;color:var(--sub);border-bottom:2px solid transparent;}
.nav-item.active{color:var(--red);border-bottom-color:var(--red);font-weight:700;}
.panel{flex:1;overflow-y:auto;padding:16px;-webkit-overflow-scrolling:touch;}
.panel-sub{font-size:11px;color:var(--sub);margin-bottom:12px;line-height:1.6;}

/* ---------- 表单 ---------- */
.panel label{display:block;font-size:12px;color:var(--sub);margin:10px 0 4px;}
.panel select,.panel input[type=number],.panel input[type=text]{
  width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:4px;font-size:13px;background:#fff;}
.panel select:focus,.panel input:focus{outline:none;border-color:var(--red);}
.btn{background:#fff;border:1px solid var(--line);border-radius:4px;padding:8px 14px;font-size:12px;cursor:pointer;}
.btn:hover{border-color:var(--red);color:var(--red);}
.btn-primary{background:var(--red);color:#fff;border-color:var(--red);}
.btn-primary:hover{background:var(--red-dark);color:#fff;}
.btn-block{width:100%;margin-top:14px;padding:10px;font-size:14px;font-weight:700;}
.btn-row{display:flex;gap:8px;margin-top:14px;}

/* ---------- 列表 ---------- */
.item-list{display:flex;flex-direction:column;gap:6px;}
.item{border:1px solid var(--line);border-radius:5px;padding:9px 11px;cursor:pointer;transition:.15s;display:flex;align-items:center;gap:10px;}
.item:hover{border-color:var(--red);background:#fdf6f5;}
.item.active{border-color:var(--red);background:#fdf0ef;}
.item .no{width:22px;height:22px;border-radius:50%;background:var(--red);color:#fff;font-size:11px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-weight:700;}
.item.line .no{background:var(--blue);border-radius:4px;font-size:10px;}
.item .it-name{font-size:13px;font-weight:600;}
.item .it-sub{font-size:11px;color:var(--sub);margin-top:2px;}
.item .it-right{margin-left:auto;text-align:right;font-size:11px;color:var(--sub);flex-shrink:0;}
.item .it-right b{color:var(--red);font-size:13px;}

/* ---------- 地图 ---------- */
.map-wrap{flex:1;position:relative;min-width:0;}
#map{position:absolute;inset:0;}
.map-fallback{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:repeating-conic-gradient(#efeee9 0 25%,#e9e8e3 0 50%) 0 0/40px 40px;color:var(--sub);text-align:center;padding:20px;}
.legend{position:absolute;left:14px;bottom:14px;background:rgba(255,255,255,.95);border:1px solid var(--line);border-radius:6px;padding:10px 12px;font-size:11px;box-shadow:0 2px 8px rgba(0,0,0,.08);z-index:200;}
.legend .lg{display:flex;align-items:center;gap:6px;margin:3px 0;color:var(--text);}
.lg-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0;}
.lg-line{width:18px;height:3px;border-radius:2px;flex-shrink:0;}

/* ---------- 详情 ---------- */
.detail{width:360px;background:var(--panel);border-left:1px solid var(--line);overflow-y:auto;flex-shrink:0;-webkit-overflow-scrolling:touch;}
.detail-empty{padding:60px 24px;text-align:center;color:var(--sub);font-size:13px;line-height:2;}
.detail-body{padding:18px;}
.detail-body h2{font-size:16px;margin-bottom:4px;}
.detail-body .d-region{font-size:11px;color:var(--red);font-weight:600;margin-bottom:10px;}
.d-block{margin-top:16px;}
.d-block h4{font-size:12px;color:var(--red-dark);border-left:3px solid var(--red);padding-left:8px;margin-bottom:8px;}
.d-block p{font-size:12px;line-height:1.8;color:var(--text);}
.d-note{font-size:11px;color:var(--sub);background:#faf9f6;border-radius:4px;padding:8px 10px;line-height:1.7;margin-top:10px;}

/* 图片相册 */
.gallery{display:flex;gap:6px;overflow-x:auto;padding:2px 0;-webkit-overflow-scrolling:touch;}
.gallery img{height:74px;border-radius:4px;border:1px solid var(--line);flex-shrink:0;cursor:zoom-in;object-fit:cover;}

/* 受众/行业条 */
.bar-row{display:flex;align-items:center;gap:8px;margin:5px 0;}
.bar-label{width:110px;font-size:11px;color:var(--text);flex-shrink:0;}
.bar-track{flex:1;height:8px;background:#f0efea;border-radius:4px;overflow:hidden;}
.bar-fill{height:100%;border-radius:4px;}
.bar-val{width:40px;text-align:right;font-size:11px;color:var(--sub);flex-shrink:0;}
.aud .bar-fill{background:var(--blue);}
.ind .bar-fill{background:var(--red);}
.d-flow{display:flex;gap:10px;margin-top:8px;}
.flow-chip{flex:1;background:#faf9f6;border:1px solid var(--line);border-radius:5px;padding:8px;text-align:center;}
.flow-chip b{display:block;font-size:15px;color:var(--red);}
.flow-chip span{font-size:10px;color:var(--sub);}

/* ---------- 方案结果 ---------- */
.plan-box{margin-top:16px;border-top:2px solid var(--red);padding-top:12px;}
.plan-sum{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px;}
.plan-chip{font-size:11px;background:#fdf0ef;color:var(--red-dark);border-radius:3px;padding:4px 8px;font-weight:600;}
.plan-sec{font-size:12px;font-weight:700;color:var(--red-dark);margin:10px 0 6px;}
table.plan-tb{width:100%;border-collapse:collapse;font-size:11px;}
table.plan-tb th{background:#faf9f6;color:var(--sub);font-weight:600;padding:5px 6px;text-align:left;border-bottom:1px solid var(--line);}
table.plan-tb td{padding:5px 6px;border-bottom:1px solid #f0efea;}
table.plan-tb td.num{text-align:right;font-variant-numeric:tabular-nums;}
.plan-warn{font-size:11px;color:#8a6d1a;background:#fdf9ec;border-radius:4px;padding:8px 10px;line-height:1.7;margin-bottom:10px;}
.plan-desc{font-size:12px;line-height:1.9;background:#faf9f6;border:1px solid var(--line);border-radius:5px;padding:12px;white-space:pre-wrap;margin-top:6px;}

/* ---------- 弹窗 ---------- */
.modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;z-index:999;}
.modal{background:#fff;border-radius:8px;padding:26px;width:420px;max-width:92vw;}
.modal h2{font-size:16px;margin-bottom:10px;}
.modal-tip{font-size:12px;color:var(--sub);line-height:1.8;margin-bottom:14px;}
.modal input{width:100%;padding:10px;border:1px solid var(--line);border-radius:4px;font-size:13px;margin-bottom:14px;}
.modal-btns{text-align:right;}
.modal-skip{margin-top:12px;font-size:11px;text-align:center;}
.modal-skip a{color:var(--sub);}

/* 大图预览 */
#imgViewer{position:fixed;inset:0;background:rgba(0,0,0,.8);z-index:1000;display:flex;align-items:center;justify-content:center;cursor:zoom-out;}
#imgViewer img{max-width:94vw;max-height:92vh;border-radius:4px;}

/* ============================================================
   H5 移动端自适应（<900px）
   ============================================================ */
@media (max-width:900px){
  body{overflow:auto;height:auto;min-height:100vh;}
  .topbar{flex-wrap:wrap;padding:8px 12px;}
  .brand h1{font-size:14px;white-space:normal;}
  .top-stats{gap:12px;width:100%;justify-content:space-between;margin-top:6px;}
  .stat{text-align:center;flex:1;}
  .stat b{font-size:15px;}
  .stat span{font-size:10px;}
  .notice{padding:6px 12px;}
  .layout{flex-direction:column;}
  .sidebar{width:100%;order:2;border-right:none;}
  .panel{max-height:none;}
  .map-wrap{order:1;height:52vh;min-height:320px;flex:none;}
  .legend{font-size:10px;padding:7px 9px;left:8px;bottom:8px;}
  .detail{width:100%;order:3;border-left:none;border-top:1px solid var(--line);max-height:none;}
  .detail-empty{padding:26px 20px;}
  .modal{padding:20px;}
}

/* 线路搜索与类型筛选 */
.search-input{width:100%;box-sizing:border-box;padding:9px 12px;border:1px solid var(--line);border-radius:8px;font-size:13px;margin-bottom:8px;background:#fff;}
.search-input:focus{outline:none;border-color:var(--main);}
.type-tabs{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:10px;}
.type-tabs .tt{font-size:12px;padding:3px 9px;border:1px solid var(--line);border-radius:999px;cursor:pointer;color:var(--sub);white-space:nowrap;user-select:none;}
.type-tabs .tt.on{background:var(--main);color:#fff;border-color:var(--main);}
.type-tabs .tt:hover{border-color:var(--main);color:var(--main);}
.type-tabs .tt.on:hover{color:#fff;}
.type-tag{font-style:normal;font-size:10px;color:var(--main);background:rgba(200,50,43,.08);border-radius:4px;padding:1px 5px;margin-left:6px;vertical-align:1px;}
.list-tip{text-align:center;color:var(--sub);font-size:12px;padding:14px 0;}

/* 校园地图标点 */
.campus-marker{width:24px;height:24px;border-radius:50% 50% 50% 4px;background:#1e8a4c;color:#fff;display:flex;align-items:center;justify-content:center;font-size:11px;box-shadow:0 1px 5px rgba(0,0,0,.35);cursor:pointer;border:2px solid #fff;transform:rotate(-45deg);}
.campus-marker b{transform:rotate(45deg);font-weight:600;}

/* 详情面板 bar 行修复：右侧价格/数值不再被截断 */
.bar-row{flex-wrap:nowrap;}
.bar-label{width:96px;}
.bar-val{width:auto;min-width:36px;max-width:55%;font-weight:600;color:var(--text);white-space:nowrap;}
.bar-mid{flex:1;min-width:0;text-align:right;font-size:11px;color:var(--sub);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}

/* 线路主要途经站点标签流 */
.stop-tags{display:flex;flex-wrap:wrap;gap:5px;}
.stop-tag{display:inline-block;padding:2px 8px;border-radius:10px;background:rgba(255,255,255,.08);border:1px solid rgba(128,128,128,.25);font-size:11px;color:var(--sub);line-height:1.6;}
.stop-tag:nth-child(1),.stop-tag:nth-last-child(1){background:rgba(200,50,43,.14);border-color:rgba(200,50,43,.35);color:var(--text);font-weight:600;}