*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--blue-50:#eff6ff;--blue-100:#dbeafe;--blue-200:#bfdbfe;--blue-600:#2563eb;--blue-700:#1d4ed8;--blue-800:#1e40af;--blue-900:#1e3a8a;--slate-50:#f8fafc;--slate-100:#f1f5f9;--slate-200:#e2e8f0;--slate-300:#cbd5e1;--slate-400:#94a3b8;--slate-500:#64748b;--slate-600:#475569;--slate-700:#334155;--slate-800:#1e293b;--green-50:#f0fdf4;--green-600:#16a34a;--green-700:#15803d;--amber-50:#fffbeb;--amber-600:#d97706;--red-50:#fef2f2;--red-600:#dc2626;--orange-50:#fff7ed;--orange-600:#ea580c}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;background:var(--slate-100);color:var(--slate-800);min-height:100vh}

/* 密钥弹窗 */
.key-overlay{position:fixed;inset:0;z-index:9999;background:rgba(15,23,42,.6);display:flex;align-items:center;justify-content:center;padding:24px}
.key-overlay.hidden{display:none}
.key-modal{background:#fff;border-radius:14px;width:100%;max-width:520px;padding:36px 32px;box-shadow:0 16px 48px rgba(0,0,0,.15)}
.key-modal h2{font-size:20px;font-weight:600;margin-bottom:6px}
.key-modal p{font-size:13px;color:var(--slate-500);margin-bottom:24px;line-height:1.6}
.key-modal .field{margin-bottom:16px}
.key-modal .field label{display:block;font-size:13px;font-weight:600;color:var(--slate-600);margin-bottom:5px}
.key-modal .field input{width:100%;height:42px;padding:0 12px;border:1.5px solid var(--slate-200);border-radius:8px;font-size:14px}
.key-modal .field input:focus{outline:none;border-color:var(--blue-600);box-shadow:0 0 0 3px rgba(37,99,235,.15)}
.key-modal .btn-row{display:flex;gap:10px;margin-top:4px}
.key-modal .btn-save{flex:1;height:44px;border:none;border-radius:10px;background:linear-gradient(135deg,var(--blue-800),var(--blue-600));color:#fff;font-size:15px;font-weight:600;cursor:pointer}
.key-modal .btn-save:hover{opacity:.92}
.key-modal .btn-skip{width:120px;height:44px;border:1.5px solid var(--slate-200);border-radius:10px;background:#fff;color:var(--slate-500);font-size:13px;cursor:pointer}
.key-modal .btn-skip:hover{background:var(--slate-50)}
.key-modal .help{margin-top:16px;padding:12px 14px;border-radius:8px;background:var(--slate-50);border:1px solid var(--slate-200);font-size:12px;color:var(--slate-500);line-height:1.6}
.key-modal .help a{color:var(--blue-600);text-decoration:none}
.key-modal .warn{margin-top:10px;padding:10px 14px;border-radius:8px;background:var(--orange-50);border:1px solid #fed7aa;font-size:12px;color:var(--orange-600);line-height:1.6}

/* 顶栏 */
.topbar{background:linear-gradient(135deg,var(--blue-900),var(--blue-700));color:#fff;padding:16px 28px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}
.topbar .brand h1{font-size:18px;font-weight:600}
.topbar .brand .tag{background:rgba(255,255,255,.15);padding:2px 8px;border-radius:4px;font-size:11px;font-weight:500}
.topbar .sub{font-size:12px;opacity:.85;margin-top:2px}
.topbar-actions{display:flex;gap:8px}
.topbar-actions button{padding:5px 12px;border:1px solid rgba(255,255,255,.35);border-radius:6px;background:transparent;color:#fff;font-size:12px;cursor:pointer;transition:background .15s}
.topbar-actions button:hover{background:rgba(255,255,255,.12)}

/* 布局 */
.layout{display:flex;height:calc(100vh - 58px)}
.sidebar{width:420px;min-width:380px;overflow-y:auto;background:#fff;border-right:1px solid var(--slate-200);padding:16px 20px 28px;display:flex;flex-direction:column}
.map-area{flex:1;position:relative;min-height:300px;background:var(--slate-200)}
#mapContainer{width:100%;height:100%}

/* 加载 */
.loading-overlay{position:absolute;inset:0;z-index:10;background:rgba(255,255,255,.75);display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--slate-500);gap:8px}
.loading-overlay.hidden{display:none}
.spinner{width:18px;height:18px;border:2.5px solid var(--slate-200);border-top-color:var(--blue-600);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* 表单元素 */
.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:12px;font-weight:600;color:var(--slate-600);margin-bottom:4px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
select,input{width:100%;height:38px;padding:0 10px;border:1.5px solid var(--slate-200);border-radius:7px;font-size:13px;color:var(--slate-800);background:#fff;transition:border-color .2s}
select:focus,input:focus{outline:none;border-color:var(--blue-600);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='11' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 11px center;padding-right:32px}
input[type="number"]{-moz-appearance:textfield}
input[type="number"]::-webkit-outer-spin-button,input[type="number"]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.input-with-unit{position:relative}
.input-with-unit input{padding-right:42px}
.input-with-unit .unit{position:absolute;right:12px;top:50%;transform:translateY(-50%);font-size:12px;color:var(--slate-400);pointer-events:none}

/* 城市行 */
.city-row{display:flex;gap:8px;align-items:center}
.city-row .city-wrap{flex:1;position:relative}
.city-row .swap-btn{flex-shrink:0;width:30px;height:30px;border-radius:50%;border:1.5px solid var(--slate-200);background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:border-color .2s,background .2s}
.city-row .swap-btn:hover{border-color:var(--blue-600);background:var(--blue-50)}
.city-row .swap-btn svg{width:14px;height:14px;stroke:var(--slate-400)}
.city-row .swap-btn:hover svg{stroke:var(--blue-600)}
.city-wrap{position:relative}

/* 城市建议 */
.suggest-box{position:absolute;top:100%;left:0;right:0;z-index:100;background:#fff;border:1.5px solid var(--slate-200);border-top:none;border-radius:0 0 8px 8px;max-height:200px;overflow-y:auto;display:none;box-shadow:0 8px 20px rgba(0,0,0,.08)}
.suggest-box.visible{display:block}
.suggest-box .item{padding:8px 12px;font-size:13px;cursor:pointer;border-bottom:1px solid var(--slate-100)}
.suggest-box .item:last-child{border-bottom:none}
.suggest-box .item:hover{background:var(--slate-100)}

/* 切换按钮组 */
.toggle-group{display:flex;flex-wrap:wrap;gap:6px}
.toggle-group label{font-size:12px;display:flex;align-items:center;gap:4px;cursor:pointer;color:var(--slate-600);padding:3px 8px;border:1.5px solid var(--slate-200);border-radius:6px;transition:all .15s;user-select:none}
.toggle-group label:hover{background:var(--slate-50)}
.toggle-group input[type="checkbox"]{width:auto;height:auto;accent-color:var(--blue-600)}
.toggle-group label:has(input:checked){background:var(--blue-50);border-color:var(--blue-200);color:var(--blue-700)}

/* 计算按钮 */
.btn-calc{width:100%;height:44px;border:none;border-radius:8px;background:linear-gradient(135deg,var(--blue-800),var(--blue-600));color:#fff;font-size:15px;font-weight:600;cursor:pointer;margin-top:2px;transition:opacity .2s,transform .1s}
.btn-calc:hover{opacity:.92}
.btn-calc:active{transform:scale(.97)}
.btn-calc:disabled{opacity:.5;cursor:not-allowed}

/* 结果 */
.result{margin-top:14px;display:none}
.result.visible{display:block}
.result-card{background:var(--slate-50);border:1.5px solid var(--slate-200);border-radius:10px;padding:16px}
.result-card .route-summary{display:flex;justify-content:space-between;align-items:center;padding-bottom:12px;border-bottom:1.5px solid var(--slate-200);margin-bottom:12px}
.result-card .route-summary .cities{font-size:14px;color:var(--slate-500)}
.result-card .route-summary .cities strong{color:var(--slate-800)}
.result-card .route-summary .total-fee{font-size:24px;font-weight:700;color:var(--blue-800)}
.route-meta{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:6px;margin-bottom:12px}
.route-meta .meta-item{text-align:center;padding:8px 4px;background:#fff;border-radius:6px;border:1px solid var(--slate-200)}
.route-meta .meta-item .num{font-size:16px;font-weight:700;color:var(--slate-800)}
.route-meta .meta-item .lbl{font-size:11px;color:var(--slate-400);margin-top:2px}
.source-badge{display:inline-block;padding:2px 7px;border-radius:4px;font-size:10px;font-weight:600;margin-left:6px;vertical-align:middle}
.source-badge.amap{background:var(--blue-100);color:var(--blue-800)}
.source-badge.fallback{background:#fef3c7;color:#92400e}

/* 成本可视化 */
.cost-section{margin-top:12px;padding:12px;background:#fff;border-radius:8px;border:1px solid var(--slate-200)}
.cost-section .title{font-size:12px;font-weight:600;color:var(--slate-600);margin-bottom:8px;display:flex;align-items:center;justify-content:space-between}
.cost-bar{display:flex;height:18px;border-radius:4px;overflow:hidden;margin-bottom:8px}
.cost-bar .seg{display:flex;align-items:center;justify-content:center;font-size:9px;font-weight:600;color:#fff;transition:width .3s;min-width:0;overflow:hidden;white-space:nowrap}
.cost-bar .seg.fuel{background:#dc2626}
.cost-bar .seg.toll{background:#ea580c}
.cost-bar .seg.labor{background:#d97706}
.cost-bar .seg.tco{background:#2563eb}
.cost-bar .seg.hidden{background:#64748b}
.cost-items{display:grid;grid-template-columns:1fr 1fr;gap:4px 12px;margin-bottom:8px}
.cost-item{display:flex;justify-content:space-between;font-size:12px;padding:3px 0}
.cost-item .lbl{color:var(--slate-500)}
.cost-item .val{font-weight:600;color:var(--slate-700)}
.cost-item .val .pct{font-weight:400;color:var(--slate-400);font-size:11px}

/* 报价策略卡片 */
.quote-strategy{margin-top:12px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}
.quote-card{padding:10px;border-radius:8px;border:1.5px solid var(--slate-200);background:#fff;text-align:center;transition:all .15s}
.quote-card .qlabel{font-size:11px;color:var(--slate-400);margin-bottom:2px}
.quote-card .qprice{font-size:18px;font-weight:700}
.quote-card .qnote{font-size:11px;color:var(--slate-500);margin-top:4px;padding-top:4px;border-top:1px dashed var(--slate-200)}
.quote-card.low{border-color:#fecaca}
.quote-card.low .qprice{color:#dc2626}
.quote-card.low .qtag{background:#fef2f2;color:#dc2626}
.quote-card.recommend{border-color:var(--blue-200);background:var(--blue-50)}
.quote-card.recommend .qprice{color:var(--blue-800)}
.quote-card.recommend .qtag{background:var(--blue-100);color:var(--blue-800)}
.quote-card.high{border-color:#bbf7d0}
.quote-card.high .qprice{color:var(--green-600)}
.quote-card.high .qtag{background:#f0fdf4;color:var(--green-600)}
.quote-card .qtag{display:inline-block;padding:1px 6px;border-radius:3px;font-size:10px;font-weight:600;margin-bottom:4px}

/* 费用明细 */
.breakdown-item{display:flex;justify-content:space-between;padding:5px 0;font-size:12px;color:var(--slate-600)}
.breakdown-item+.breakdown-item{border-top:1px dashed var(--slate-200)}
.breakdown-item .val{font-weight:600;color:var(--slate-800)}
.breakdown-item .val.green{color:var(--green-600)}
.breakdown-footer{margin-top:8px;padding-top:8px;border-top:1.5px solid var(--slate-200);display:flex;justify-content:space-between;font-size:14px;font-weight:700;color:var(--blue-800)}
.info-note{margin-top:8px;padding:8px 12px;border-radius:6px;background:var(--blue-50);border:1px solid var(--blue-200);font-size:11px;color:var(--blue-800);line-height:1.5}
.info-warn{margin-top:6px;padding:8px 12px;border-radius:6px;background:var(--orange-50);border:1px solid #fed7aa;font-size:11px;color:var(--orange-600);line-height:1.5;display:none}
.info-warn.visible{display:block}

/* 设置弹窗 */
.settings-overlay{position:fixed;inset:0;z-index:9998;background:rgba(15,23,42,.6);display:none;align-items:center;justify-content:center;padding:24px}
.settings-overlay.visible{display:flex}
.settings-modal{background:#fff;border-radius:14px;width:100%;max-width:760px;max-height:88vh;overflow-y:auto;padding:28px 32px;box-shadow:0 16px 48px rgba(0,0,0,.15)}
.settings-modal h2{font-size:18px;font-weight:600;margin-bottom:2px}
.settings-modal .subtitle{font-size:12px;color:var(--slate-500);margin-bottom:18px}
.settings-modal .sec{margin-bottom:18px}
.settings-modal .sec h3{font-size:14px;font-weight:600;color:var(--blue-800);margin-bottom:8px;padding-bottom:5px;border-bottom:1px solid var(--slate-200)}
.settings-modal .sec .sec-desc{font-size:11px;color:var(--slate-400);margin-bottom:8px;line-height:1.5}
.settings-modal .field{display:flex;align-items:center;gap:8px;margin-bottom:5px}
.settings-modal .field label{font-size:12px;color:var(--slate-600);min-width:100px;flex-shrink:0}
.settings-modal .field input{width:90px;height:30px;padding:0 8px;border:1.5px solid var(--slate-200);border-radius:5px;font-size:12px;text-align:right}
.settings-modal .field input:focus{outline:none;border-color:var(--blue-600);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.settings-modal .field .hint{font-size:11px;color:var(--slate-400)}
.settings-modal .field-row{display:flex;flex-wrap:wrap;gap:4px 12px}
.settings-modal .field-row .field{flex:0 0 auto}
.settings-modal .btn-row{display:flex;gap:10px;margin-top:18px;padding-top:14px;border-top:1px solid var(--slate-200)}
.settings-modal .btn-save{flex:1;height:40px;border:none;border-radius:8px;background:linear-gradient(135deg,var(--blue-800),var(--blue-600));color:#fff;font-size:14px;font-weight:600;cursor:pointer}
.settings-modal .btn-save:hover{opacity:.92}
.settings-modal .btn-close{width:100px;height:40px;border:1.5px solid var(--slate-200);border-radius:8px;background:#fff;color:var(--slate-500);font-size:13px;cursor:pointer}
.settings-modal .btn-close:hover{background:var(--slate-50)}
.settings-modal .btn-reset{width:100px;height:40px;border:1.5px solid #fecaca;border-radius:8px;background:#fff;color:#dc2626;font-size:13px;cursor:pointer}
.settings-modal .btn-reset:hover{background:#fef2f2}
.preset-row{display:flex;gap:6px;margin-bottom:10px;flex-wrap:wrap}
.preset-row button{padding:4px 10px;border:1.5px solid var(--slate-200);border-radius:6px;background:#fff;color:var(--slate-600);font-size:11px;cursor:pointer;transition:all .15s}
.preset-row button:hover{border-color:var(--blue-300);color:var(--blue-700);background:var(--blue-50)}

/* 运价指数参考 */
.index-ref{margin-top:12px;padding:10px 12px;border-radius:8px;background:linear-gradient(135deg,var(--slate-50),#fff);border:1px solid var(--slate-200);font-size:11px}
.index-ref .idx-row{display:flex;gap:16px;margin-top:4px}
.index-ref .idx-item{text-align:center}
.index-ref .idx-item .num{font-size:16px;font-weight:700;color:var(--blue-800)}
.index-ref .idx-item .lbl{font-size:10px;color:var(--slate-400)}

/* 市场因子 */
.market-factors{display:grid;grid-template-columns:1fr 1fr 1fr;gap:6px;margin-top:10px}
.market-factor{text-align:center;padding:6px 4px;background:#fff;border-radius:6px;border:1px solid var(--slate-200)}
.market-factor .num{font-size:13px;font-weight:700;color:var(--slate-700)}
.market-factor .lbl{font-size:10px;color:var(--slate-400)}
.market-factor .num.high{color:var(--green-600)}
.market-factor .num.low{color:#dc2626}

/* 响应式 */
@media(max-width:860px){
  .layout{flex-direction:column;height:auto}
  .sidebar{width:100%;min-width:0;border-right:none;border-bottom:1px solid var(--slate-200)}
  .map-area{height:360px}
  .topbar{padding:12px 16px}
  .quote-strategy{grid-template-columns:1fr}
}
@media(max-width:520px){
  .form-row{grid-template-columns:1fr;gap:0}
  .cost-items{grid-template-columns:1fr}
  .settings-modal{padding:20px 16px}
  .market-factors{grid-template-columns:1fr 1fr}
}


/* 双路线对比表 */
.route-compare{width:100%;margin-bottom:12px;border:1.5px solid var(--slate-200);border-radius:8px;overflow:hidden}
.route-compare .rc-header{display:grid;grid-template-columns:80px 1fr 1fr;font-size:12px;font-weight:600;background:var(--slate-50);border-bottom:1.5px solid var(--slate-200)}
.route-compare .rc-header .rc-h{display:flex;align-items:center;gap:4px;padding:6px 8px}
.route-compare .rc-header .rc-h.ew{color:var(--blue-800);border-left:3px solid #3b82f6}
.route-compare .rc-header .rc-h.hw{color:#92400e;border-left:3px solid #f59e0b}
.route-compare .rc-row{display:grid;grid-template-columns:80px 1fr 1fr;font-size:12px;border-bottom:1px solid var(--slate-100)}
.route-compare .rc-row:last-child{border-bottom:none}
.route-compare .rc-label{display:flex;align-items:center;padding:6px 8px;color:var(--slate-500);font-weight:500}
.route-compare .rc-val{display:flex;align-items:center;padding:6px 8px;font-weight:600}
.route-compare .rc-legend{padding:5px 8px;font-size:10px;color:var(--slate-400);background:var(--slate-50);border-top:1px solid var(--slate-200);text-align:center}

/* 物流专线信息 */
.btn-line{display:block;width:100%;height:42px;border:1.5px solid var(--blue-200);border-radius:8px;background:var(--blue-50);color:var(--blue-800);font-size:14px;font-weight:600;cursor:pointer;margin-top:8px;transition:opacity .2s,transform .1s}
.btn-line:hover{opacity:.9}
.btn-line:active{transform:scale(.98)}
.line-modal-overlay{position:fixed;inset:0;z-index:10000;background:rgba(15,23,42,.62);display:flex;align-items:center;justify-content:center;padding:20px}
.line-modal-overlay.hidden{display:none}
.line-modal{background:#fff;border-radius:12px;width:100%;max-width:860px;max-height:88vh;display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(0,0,0,.2)}
.line-modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 22px;border-bottom:1px solid var(--slate-200)}
.line-modal-head h2{font-size:16px;font-weight:600;color:var(--slate-800)}
.line-modal-close{width:32px;height:32px;border:none;border-radius:6px;background:var(--slate-100);color:var(--slate-500);font-size:20px;line-height:1;cursor:pointer}
.line-modal-close:hover{background:var(--slate-200);color:var(--slate-800)}
.line-modal-body{flex:1;overflow-y:auto;padding:14px 22px;min-height:180px}
.line-modal-empty,.line-modal-error{padding:30px 10px;text-align:center;color:var(--slate-500);font-size:14px}
.line-modal-error{color:var(--red-600)}
.line-route-summary{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;background:var(--slate-50);border:1px solid var(--slate-200);border-radius:8px;margin-bottom:12px;font-size:13px;font-weight:600;color:var(--slate-700)}
.line-count{font-weight:600;color:var(--blue-700)}
.line-list-items{display:flex;flex-direction:column;gap:10px}
.line-item{padding:12px 14px;background:var(--slate-50);border:1px solid var(--slate-200);border-radius:8px}
.line-item-name{font-size:14px;font-weight:600;color:var(--slate-800);margin-bottom:6px}
.line-item-contact{font-size:12px;color:var(--slate-600);margin-bottom:4px}
.line-phone{color:var(--blue-700);font-weight:600;text-decoration:none}
.line-phone-none{color:var(--slate-400)}
.line-item-addr{font-size:12px;color:var(--slate-500);margin-top:3px}
.line-item-intro,.line-item-price,.line-item-eta{font-size:12px;color:var(--slate-600);margin-top:3px}
.line-item-actions{margin-top:6px}
.line-item-link{display:inline-block;padding:4px 10px;border:1px solid var(--blue-200);border-radius:6px;background:#fff;color:var(--blue-700);font-size:12px;text-decoration:none}
.line-item-link:hover{background:var(--blue-50)}
.line-modal-foot{display:flex;align-items:center;justify-content:space-between;padding:12px 22px;border-top:1px solid var(--slate-200)}
.line-modal-foot .btn-save{width:auto;min-width:88px;padding:0 18px;height:38px;border:none;border-radius:8px;background:linear-gradient(135deg,var(--blue-800),var(--blue-600));color:#fff;font-size:13px;font-weight:600;cursor:pointer}
.line-modal-source{font-size:11px;color:var(--slate-400)}
@media(max-width:560px){
  .line-modal{padding:0;border-radius:8px}
  .line-modal-head{padding:12px 14px}
  .line-modal-body{padding:10px 12px}
  .line-modal-foot{padding:10px 14px;flex-direction:column;gap:8px;align-items:stretch}
  .line-route-summary{flex-direction:column;gap:4px;align-items:flex-start}
}