/* ============ 组件：路线详情 / 仿真 / 弹窗 / 响应式 ============ */
.back-line{display:flex;align-items:center;gap:9px;margin-bottom:12px}
.back-btn{font-size:13px;color:var(--tx2);border:1px solid var(--line2);border-radius:999px;padding:5px 13px;transition:.2s}
.back-btn:hover{color:var(--amber);border-color:rgba(255,181,69,.5)}
.crumb{font-size:12px;color:var(--tx3);letter-spacing:.06em}
.detail-head h2{font-size:21px;margin:2px 0 6px;line-height:1.35}
.detail-head .hl{font-size:13.2px;color:var(--tx2);margin:0 0 12px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:14px 0 6px}
.stat{background:rgba(255,255,255,.045);border:1px solid var(--line);border-radius:11px;padding:9px 8px;text-align:center}
.stat b{display:block;font-size:16.5px;color:var(--amber);letter-spacing:.01em}
.stat span{font-size:11px;color:var(--tx3)}
.diff{display:inline-flex;gap:2px;vertical-align:middle}
.diff i{width:6px;height:12px;border-radius:2px;background:rgba(255,255,255,.16);display:block}
.diff i.on{background:var(--amber)}
.quick-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin:15px 0 4px}
.btn{padding:11px 14px;border-radius:11px;font-size:14px;font-weight:600;transition:.24s var(--ease);text-align:center}
.btn-primary{background:linear-gradient(135deg,var(--amber2),var(--amber));color:#20160a;
  box-shadow:0 10px 24px rgba(245,158,44,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(245,158,44,.4)}
.btn-ghost{background:rgba(255,255,255,.06);border:1px solid var(--line2);color:var(--tx)}
.btn-ghost:hover{border-color:rgba(255,181,69,.5);color:var(--amber);transform:translateY(-2px)}
.btn.wide{grid-column:1/-1}

.section{margin-top:24px;animation:rise .5s var(--ease) both}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.sec-title{display:flex;align-items:center;gap:9px;font-size:14.5px;font-weight:600;margin-bottom:11px;letter-spacing:.04em}
.sec-title::before{content:"";width:4px;height:15px;border-radius:3px;background:var(--amber);box-shadow:0 0 10px rgba(255,181,69,.7)}
.sec-title .more{margin-left:auto;font-size:12px;font-weight:400;color:var(--tx3)}

/* 费用估算 */
.cost-box{padding:14px 14px 16px;border-radius:var(--r);background:linear-gradient(160deg,rgba(255,181,69,.09),rgba(255,255,255,.03));
  border:1px solid rgba(255,181,69,.24);transition:.3s}
.cost-box:hover{border-color:rgba(255,181,69,.5);transform:translateY(-3px);box-shadow:0 16px 32px rgba(0,0,0,.42)}
.cost-row{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:12px}
.cost-row label{font-size:12.5px;color:var(--tx2)}
.sel{background:rgba(9,17,30,.7);border:1px solid var(--line2);border-radius:9px;padding:6px 9px;font-size:13px;outline:none}
.range{flex:1;min-width:110px;accent-color:var(--amber)}
.range-val{font-size:12.5px;color:var(--amber);min-width:64px;text-align:right}
.cost-total{display:flex;align-items:flex-end;justify-content:space-between;padding-top:11px;border-top:1px dashed rgba(255,255,255,.16)}
.cost-total .big{font-size:30px;font-weight:700;color:var(--amber);line-height:1.1;letter-spacing:-.01em}
.cost-total .big small{font-size:14px;font-weight:500;color:var(--tx2)}
.cost-total .per{text-align:right;font-size:12px;color:var(--tx3)}
.cost-total .per b{color:var(--tx);font-size:14px}
.breakdown{margin-top:12px;display:flex;flex-direction:column;gap:7px}
.bd-row{display:flex;align-items:center;gap:9px;font-size:12.4px}
.bd-row .nm{width:66px;color:var(--tx2);flex:none}
.bd-bar{flex:1;height:7px;border-radius:5px;background:rgba(255,255,255,.09);overflow:hidden}
.bd-bar i{display:block;height:100%;border-radius:5px;transition:width .6s var(--ease)}
.bd-row .vl{width:74px;text-align:right;color:var(--tx);font-variant-numeric:tabular-nums}
.bd-fuel{background:var(--blue)}.bd-toll{background:var(--green)}.bd-ticket{background:var(--amber)}.bd-stay{background:#c084fc}

/* 节点时间轴 */
.nodes{position:relative;padding-left:6px}
.node{position:relative;padding:0 0 15px 24px;border-left:1.5px dashed rgba(255,255,255,.16);margin-left:7px}
.node:last-child{border-left-color:transparent;padding-bottom:0}
.node::before{content:"";position:absolute;left:-7.5px;top:4px;width:13px;height:13px;border-radius:50%;
  background:#0d1828;border:2.5px solid var(--amber)}
.node.start::before,.node.end::before{background:var(--amber);box-shadow:0 0 12px var(--amber)}
.node-h{display:flex;align-items:baseline;gap:9px}
.node-h b{font-size:14.5px}
.node-h span{font-size:11.5px;color:var(--amber);font-variant-numeric:tabular-nums}
.node-h em{font-style:normal;font-size:10.5px;color:var(--tx3);border:1px solid var(--line2);border-radius:4px;padding:0 5px}
.node p{margin:3px 0 0;font-size:12.4px;color:var(--tx2)}

/* 分段路况 */
.seg-table{width:100%;border-collapse:collapse;font-size:12.3px}
.seg-table th{text-align:left;color:var(--tx3);font-weight:500;padding:7px 6px;border-bottom:1px solid var(--line)}
.seg-table td{padding:8px 6px;border-bottom:1px solid rgba(255,255,255,.055);vertical-align:top}
.seg-table tr{transition:.2s}
.seg-table tr:hover{background:rgba(255,181,69,.07)}
.seg-table .rd{color:var(--tx);font-weight:500}
.seg-table .cnd{color:var(--tx3);font-size:11.6px;display:block;margin-top:2px}
.lv{display:inline-block;font-size:10.5px;padding:1px 7px;border-radius:999px;white-space:nowrap}
.lv.easy{background:rgba(78,208,138,.16);color:var(--green)}
.lv.medium{background:rgba(255,181,69,.16);color:var(--amber)}
.lv.hard{background:rgba(224,52,58,.18);color:#ff8b8f}

/* 补给点 */
.supplies{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.sup{display:flex;gap:9px;padding:9px 10px;border-radius:11px;background:rgba(255,255,255,.045);
  border:1px solid var(--line);transition:.25s}
.sup:hover{transform:translateY(-3px);border-color:rgba(255,181,69,.4);background:rgba(255,181,69,.08)}
.sup .ico{width:28px;height:28px;flex:none;border-radius:8px;display:grid;place-items:center;font-size:14px;
  background:rgba(74,168,255,.16);color:#8cc6ff}
.sup .bd{min-width:0}
.sup b{display:block;font-size:12.8px}
.sup span{font-size:11.4px;color:var(--tx3);display:block;line-height:1.45}
.sup .km{color:var(--amber);font-size:11px}

/* 景区卡片 */
.spot-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.spot-card{position:relative;border-radius:12px;overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(160deg,var(--card),#122033);transition:.28s var(--ease);text-align:left;padding:0}
.spot-card:hover{transform:translateY(-4px);border-color:rgba(255,181,69,.5);box-shadow:0 14px 30px rgba(0,0,0,.45)}
.spot-vis{height:74px;position:relative;overflow:hidden}
.spot-vis canvas{width:100%;height:100%;display:block}
.spot-vis .price{position:absolute;right:7px;top:7px;font-size:11.5px;background:rgba(9,17,30,.8);
  border:1px solid rgba(255,181,69,.4);color:var(--amber);border-radius:999px;padding:2px 8px}
.spot-bd{padding:9px 10px 11px}
.spot-bd b{font-size:13.4px;display:block}
.spot-bd p{margin:4px 0 0;font-size:11.7px;color:var(--tx3);display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden;min-height:2.6em}
.spot-bd .cta{margin-top:8px;font-size:11.5px;color:var(--amber);display:flex;align-items:center;gap:5px}
.spot-bd .cta::after{content:"→";transition:.2s}
.spot-card:hover .cta::after{transform:translateX(4px)}

/* 攻略贴士 */
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:11px}
.tab{font-size:12.5px;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.05);
  border:1px solid var(--line);color:var(--tx2)}
.tab.on{background:rgba(255,181,69,.16);border-color:rgba(255,181,69,.5);color:var(--amber)}
.tip-body{font-size:13px;color:var(--tx2);background:rgba(255,255,255,.04);border:1px solid var(--line);
  border-radius:11px;padding:13px 14px;animation:fade .35s var(--ease)}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.tip-body ul{margin:0;padding-left:18px}
.tip-body li{margin:5px 0}
.tip-body .hl{color:var(--amber)}

/* ---------- 驾驶模拟 ---------- */
.overlay{position:fixed;inset:0;z-index:80;background:#050b14;animation:ovIn .45s var(--ease)}
@keyframes ovIn{from{opacity:0}to{opacity:1}}
#drive-canvas,#spot-canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.drive-vignette{position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 90% at 50% 45%,transparent 45%,rgba(3,8,16,.72) 100%)}
.drive-top{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;gap:14px;
  padding:16px 20px;background:linear-gradient(180deg,rgba(5,11,20,.9),transparent);z-index:5}
.drive-title{display:flex;align-items:center;gap:11px;flex-wrap:wrap}
.drive-title strong{font-size:17px;letter-spacing:.02em}
.drive-title .sub{font-size:12.5px;color:var(--tx2);font-variant-numeric:tabular-nums}
.icon-btn{width:36px;height:36px;border-radius:10px;background:rgba(9,17,30,.7);border:1px solid var(--line2);
  color:var(--tx2);font-size:15px;transition:.2s;backdrop-filter:blur(8px)}
.icon-btn:hover{color:var(--amber);border-color:rgba(255,181,69,.5)}
#drive-close,#spot-close{margin-left:auto}
.drive-view-switch{position:absolute;top:66px;left:50%;transform:translateX(-50%);display:flex;gap:5px;
  background:rgba(9,17,30,.72);border:1px solid var(--line);border-radius:999px;padding:5px;backdrop-filter:blur(10px);z-index:5}
.drive-view-switch button{font-size:13px;padding:6px 15px;border-radius:999px;color:var(--tx2);transition:.22s}
.drive-view-switch button:hover{color:var(--tx)}
.drive-view-switch button.active{background:rgba(255,181,69,.2);color:var(--amber);box-shadow:inset 0 0 0 1px rgba(255,181,69,.4)}
.drive-chapter{position:absolute;left:22px;bottom:132px;width:322px;padding:15px 17px;z-index:5;
  animation:rise .45s var(--ease) both;backdrop-filter:blur(12px)}
.drive-chapter .ch-km{font-size:11.5px;letter-spacing:.2em;color:var(--amber)}
.drive-chapter h4{margin:5px 0 6px;font-size:18px}
.drive-chapter p{margin:0;font-size:13px;color:var(--tx2);line-height:1.65}
.ch-meta{display:flex;gap:7px;flex-wrap:wrap;margin-top:11px}
.drive-controls{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);width:min(880px,calc(100% - 44px));
  display:flex;align-items:center;gap:13px;padding:13px 17px;z-index:6;backdrop-filter:blur(14px)}
.ctl{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.07);border:1px solid var(--line2);
  color:var(--tx);font-size:14px;transition:.2s;flex:none}
.ctl:hover{border-color:rgba(255,181,69,.55);color:var(--amber)}
.ctl.play{width:46px;height:46px;background:linear-gradient(135deg,var(--amber2),var(--amber));color:#20160a;
  font-size:16px;border:0;box-shadow:0 8px 20px rgba(245,158,44,.35)}
.timeline{flex:1;min-width:0;position:relative;padding-top:4px}
.tl-track{position:relative;height:7px;border-radius:6px;background:rgba(255,255,255,.12);cursor:pointer}
.tl-fill{position:absolute;left:0;top:0;bottom:0;border-radius:6px;background:linear-gradient(90deg,#f59e2c,#ffd27f);width:0%}
.tl-thumb{position:absolute;top:50%;left:0;width:15px;height:15px;border-radius:50%;background:#fff;
  transform:translate(-50%,-50%);box-shadow:0 0 0 4px rgba(255,181,69,.3);pointer-events:none}
.tl-marks{position:relative;height:12px;margin-top:3px}
.tl-mark{position:absolute;top:0;width:2px;height:8px;background:rgba(255,255,255,.45);border-radius:2px;transform:translateX(-50%)}
.tl-mark.on{background:var(--amber);height:11px;box-shadow:0 0 8px var(--amber)}
.tl-labels{position:relative;height:14px;font-size:10.5px;color:var(--tx3)}
.tl-lab{position:absolute;transform:translateX(-50%);white-space:nowrap}
.speed{display:flex;gap:4px;background:rgba(255,255,255,.06);border-radius:999px;padding:4px}
.speed button{font-size:12px;padding:4px 9px;border-radius:999px;color:var(--tx3)}
.speed button.active{background:rgba(255,181,69,.2);color:var(--amber)}
.drive-clock{font-size:13px;color:var(--tx2);font-variant-numeric:tabular-nums;min-width:52px;text-align:right}

/* ---------- 景区 3D ---------- */
.spot-overlay{background:#04090f}
.spot-ui{position:absolute;inset:0;pointer-events:none}
.spot-info{position:absolute;left:24px;bottom:26px;width:330px;padding:17px 19px;pointer-events:auto;
  backdrop-filter:blur(14px);animation:rise .55s var(--ease) both}
.spot-eyebrow{font-size:11px;letter-spacing:.22em;color:var(--amber)}
.spot-info h3{margin:6px 0 7px;font-size:21px}
.spot-info p{margin:0;font-size:13px;color:var(--tx2);line-height:1.7}
.spot-facts{display:flex;gap:7px;flex-wrap:wrap;margin-top:12px}
.spot-actions{display:flex;gap:9px;margin-top:14px}
.spot-actions button{flex:1;font-size:13px;padding:8px;border-radius:9px;background:rgba(255,255,255,.07);
  border:1px solid var(--line2);transition:.2s}
.spot-actions button:hover{border-color:rgba(255,181,69,.5);color:var(--amber)}
.spot-hint{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);font-size:12px;color:var(--tx2);
  background:rgba(9,17,30,.6);border:1px solid var(--line);border-radius:999px;padding:7px 16px;backdrop-filter:blur(8px)}
.spot-overlay .icon-btn{position:absolute;top:18px;right:20px;pointer-events:auto}

/* ---------- 弹窗 / 提示 ---------- */
.modal{position:fixed;inset:0;z-index:100;background:rgba(4,9,16,.72);backdrop-filter:blur(6px);
  display:grid;place-items:center;padding:22px;animation:fade .3s var(--ease)}
.modal-box{position:relative;width:min(680px,100%);max-height:82vh;overflow-y:auto;padding:26px 28px}
.modal-close{position:absolute;top:14px;right:14px}
.modal-box h3{margin:0 0 6px;font-size:20px}
.modal-box h4{margin:20px 0 8px;font-size:14.5px;color:var(--amber)}
.modal-box p,.modal-box li{font-size:13.4px;color:var(--tx2);line-height:1.75}
.modal-box table{width:100%;border-collapse:collapse;font-size:13px;margin-top:8px}
.modal-box th,.modal-box td{padding:8px 9px;border-bottom:1px solid var(--line);text-align:left}
.modal-box th{color:var(--tx3);font-weight:500}
.modal-box .k{color:var(--amber)}
.toast{position:fixed;left:50%;bottom:34px;transform:translateX(-50%);z-index:120;
  background:rgba(9,17,30,.95);border:1px solid rgba(255,181,69,.45);color:var(--tx);
  border-radius:999px;padding:11px 22px;font-size:13.5px;box-shadow:var(--shadow);animation:toastIn .35s var(--ease)}
@keyframes toastIn{from{opacity:0;transform:translate(-50%,16px)}to{opacity:1;transform:translate(-50%,0)}}
body.driving .toast{bottom:150px}
.footbar{flex:none;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:8px 18px;
  font-size:11.5px;color:var(--tx3);background:rgba(9,16,28,.7);border-top:1px solid var(--line)}
.foot-links{display:flex;gap:14px}
.foot-links button{font-size:11.5px;color:var(--tx3);text-decoration:underline;text-underline-offset:3px}
.foot-links button:hover{color:var(--amber)}

/* ---------- 路线编号路牌 ---------- */
#layer-shield .route-shield rect{fill:rgba(9,17,30,.9);stroke:rgba(255,181,69,.85);stroke-width:1;vector-effect:non-scaling-stroke}
#layer-shield .route-shield text{fill:#ffd9a0;font-weight:700;font-family:inherit;letter-spacing:.02em;
  paint-order:stroke;stroke:rgba(9,17,30,.65);stroke-width:2.5px}
#layer-shield .route-shield:hover rect{stroke:#fff;filter:drop-shadow(0 2px 6px rgba(0,0,0,.5))}
#layer-shield .route-shield.big rect{fill:var(--amber);stroke:#0b1320;stroke-width:1.5}
#layer-shield .route-shield.big text{fill:#0b1320;stroke:none}

/* ---------- 路线库（独立页面） ---------- */
.view-library .map-panel,.view-library .side-panel{display:none}
.view-library .stage{display:block;overflow-y:auto;overflow-x:hidden}
.library-panel{display:block;min-height:100%;padding:26px 34px 64px;max-width:1320px;margin:0 auto}
.lib-hero{position:relative;display:flex;gap:34px;align-items:flex-end;flex-wrap:wrap;padding:30px 34px;
  border-radius:18px;overflow:hidden;
  background:
    radial-gradient(1000px 320px at 82% -10%,rgba(255,181,69,.16),transparent 60%),
    linear-gradient(135deg,#0f1e33 0%,#0a1526 60%,#0b1b31 100%);
  border:1px solid var(--line2)}
.lib-hero::after{content:"";position:absolute;right:-40px;top:-60px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,52,58,.18),transparent 65%);pointer-events:none}
.lib-hero-txt{flex:1;min-width:300px;position:relative;z-index:1}
.lib-hero h1{font-size:32px;line-height:1.15;font-weight:800;letter-spacing:.01em;margin:10px 0 10px}
.lib-hero h1 em{font-style:normal;color:var(--amber)}
.lib-hero p{margin:0;font-size:13.5px;line-height:1.75;color:var(--tx2);max-width:660px}
.lib-hero-stats{display:flex;gap:26px;flex-wrap:wrap;position:relative;z-index:1}
.lib-hero-stats .lhs{min-width:92px}
.lib-hero-stats .lhs b{display:block;font-size:23px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums}
.lib-hero-stats .lhs span{font-size:11.5px;color:var(--tx3)}

.planner{margin:20px 0 4px;padding:18px 20px;border:1px solid var(--line2);border-radius:16px;
  background:linear-gradient(180deg,rgba(255,181,69,.05),rgba(255,255,255,.015))}
.planner-head{display:flex;flex-direction:column;gap:6px}
.planner-head h3{margin:0;font-size:16px}
.planner-head span{font-size:12px;color:var(--tx3)}
.planner-form{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap;margin-top:14px}
.planner-form .btn{height:36px;flex:none}
.pf{display:flex;flex-direction:column;gap:6px;flex:1;min-width:170px}
.pf>span{font-size:11px;color:var(--tx3);letter-spacing:.1em}
.pf-swap{width:36px;height:36px;flex:none;border-radius:10px;border:1px solid var(--line2);background:rgba(9,17,30,.5);
  color:var(--tx2);font-size:15px;cursor:pointer;transition:.18s;margin-bottom:1px}
.pf-swap:hover{color:var(--amber);border-color:rgba(255,181,69,.5)}
.pf-go{height:36px;padding:0 22px;border-radius:10px;border:0;background:var(--amber);color:#0b1320;
  font-weight:700;font-size:13.5px;cursor:pointer;transition:.18s;margin-bottom:1px}
.pf-go:hover{filter:brightness(1.08);box-shadow:0 6px 18px rgba(255,181,69,.28)}
.planner-result{margin-top:16px}
.pl-empty{font-size:12.5px;color:var(--tx3);padding:4px 2px}
.pl-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.pl-head b{font-size:14.5px}
.pl-head .pl-arrow{font-size:13px;color:var(--amber);font-weight:700}
.pl-stats{display:flex;gap:16px;flex-wrap:wrap;margin-left:auto}
.pl-stats span{font-size:11.5px;color:var(--tx3)}
.pl-stats b{color:#fff;font-size:14px;font-variant-numeric:tabular-nums;margin-left:5px}
.pl-legs{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.pl-leg{display:flex;gap:12px;align-items:center;padding:11px 13px;border:1px solid var(--line);
  border-radius:11px;background:rgba(9,17,30,.42);transition:.18s}
.pl-leg:hover{border-color:rgba(255,181,69,.45)}
.pl-idx{width:22px;height:22px;flex:none;border-radius:50%;background:var(--amber);color:#0b1320;
  font-weight:800;font-size:11.5px;display:grid;place-items:center}
.pl-leg-bd{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}
.pl-leg-bd b{font-size:13.5px}
.pl-meta{font-size:11.5px;color:var(--tx3);font-variant-numeric:tabular-nums}
.pl-leg-act{display:flex;gap:8px;flex:none}
.pl-note{margin-top:10px;font-size:11.5px;color:var(--tx3);line-height:1.7}

.lib-toolbar{display:flex;flex-direction:column;gap:6px;margin:24px 0 18px}
.lib-toolbar .chips{margin:8px 0 0}
.lib-toolbar-2{display:flex;gap:26px;align-items:center;flex-wrap:wrap}
.lib-toolbar-2 .chips{margin:8px 0 0}
.lib-toolbar-2 .sort-row{margin:8px 0 0}
.chip-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.chip-row>label{font-size:11.5px;color:var(--tx3);letter-spacing:.1em;flex:none;width:56px}
.chip{padding:6px 13px;border-radius:999px;border:1px solid var(--line2);background:rgba(9,17,30,.5);
  color:var(--tx2);font-size:12.5px;cursor:pointer;transition:.16s;white-space:nowrap}
.chip:hover{color:var(--amber);border-color:rgba(255,181,69,.45)}
.chip.on{background:rgba(255,181,69,.16);border-color:var(--amber);color:var(--amber);font-weight:600}
.lib-count{margin-left:auto;font-size:12px;color:var(--tx3);font-variant-numeric:tabular-nums}
.lib-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(288px,1fr));gap:18px}
.lib-empty{padding:60px 20px;text-align:center;color:var(--tx3);font-size:13.5px;grid-column:1/-1}

.lib-card{position:relative;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:15px;
  background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.012));overflow:hidden;
  cursor:pointer;transition:transform .22s,box-shadow .22s,border-color .22s;text-align:left}
.lib-card:hover{transform:translateY(-4px);border-color:rgba(255,181,69,.55);box-shadow:0 16px 34px rgba(0,0,0,.42)}
.lc-media{position:relative;height:132px;background:#0d1a2c;overflow:hidden}
.lc-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}
.lib-card:hover .lc-media img{transform:scale(1.06)}
.lc-fallback{width:100%;height:100%;display:grid;place-items:center;color:rgba(255,255,255,.62);
  font-size:13px;letter-spacing:.2em;font-weight:700;text-shadow:0 2px 8px rgba(0,0,0,.55)}
.th-plateau{background:linear-gradient(135deg,#3f5d8f,#7b86b8 55%,#c3c9e6)}
.th-snow{background:linear-gradient(135deg,#4a6d94,#9db8d4 60%,#e8f1fb)}
.th-grass{background:linear-gradient(135deg,#2f6b3c,#77b06a 55%,#cfe0a4)}
.th-desert{background:linear-gradient(135deg,#8a5a2b,#d59a4e 55%,#f2d29a)}
.th-forest{background:linear-gradient(135deg,#1f4a33,#4e8a5c 55%,#a3c895)}
.th-coast{background:linear-gradient(135deg,#175d7a,#3f9bc0 55%,#a8dcea)}
.th-canyon{background:linear-gradient(135deg,#7a3a2b,#c2704c 55%,#eab48c)}
.th-terrace{background:linear-gradient(135deg,#39664f,#8aa867 55%,#d8d59a)}
.th-town{background:linear-gradient(135deg,#5a4a6b,#9b7f9e 55%,#dcc7c9)}
.th-wetland{background:linear-gradient(135deg,#28617a,#5aa39a 55%,#b8d9c4)}
.lc-badge{position:absolute;top:10px;left:10px;padding:3px 9px;border-radius:999px;font-size:10.5px;
  font-weight:800;letter-spacing:.08em;background:var(--red);color:#fff;box-shadow:0 4px 10px rgba(224,52,58,.4)}
.lc-badge.rec{background:rgba(9,17,30,.85);border:1px solid rgba(255,181,69,.55);color:#ffd9a0;box-shadow:none}
.lc-shield{position:absolute;top:9px;right:9px;padding:3px 8px;border-radius:6px;font-size:11px;font-weight:800;
  background:rgba(9,17,30,.85);border:1px solid rgba(255,181,69,.7);color:#ffd9a0;letter-spacing:.04em}
.lc-diff{position:absolute;left:10px;bottom:10px;padding:3px 9px;border-radius:6px;font-size:10.5px;font-weight:700;
  background:rgba(9,17,30,.82);border:1px solid rgba(255,255,255,.2);color:#e8f0fa}
.lc-diff.5,.lc-diff.4{border-color:rgba(224,52,58,.75);color:#ff9a9d}
.lc-diff.3{border-color:rgba(255,181,69,.7);color:#ffd9a0}
.lc-diff.1,.lc-diff.2{border-color:rgba(96,190,120,.65);color:#8fdca9}
.lc-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:9px;flex:1}
.lc-title{display:flex;align-items:baseline;gap:9px}
.lc-title h3{margin:0;font-size:15.5px;line-height:1.35;flex:1;min-width:0}
.lc-rate{font-size:12.5px;font-weight:700;color:var(--amber);flex:none;font-variant-numeric:tabular-nums}
.lc-sub{font-size:12px;color:var(--amber);letter-spacing:.03em}
.lc-sub .dot-sep{margin:0 6px;color:var(--tx3)}
.lc-metrics{display:flex;gap:14px;font-size:11.5px;color:var(--tx3);font-variant-numeric:tabular-nums}
.lc-metrics b{color:var(--tx2);font-weight:700}
.lc-tags{display:flex;gap:6px;flex-wrap:wrap}
.lc-tags span{padding:3px 8px;border-radius:6px;font-size:10.5px;background:rgba(255,255,255,.06);color:var(--tx2)}
.lc-tags span.green{background:rgba(96,190,120,.14);color:#8fdca9}
.lc-foot{display:flex;gap:8px;margin-top:auto;padding-top:4px}
.btn.sm{padding:7px 13px;font-size:12px;border-radius:9px}
.btn.ghost-sm{border:1px solid var(--line2);background:rgba(9,17,30,.5);color:var(--tx2)}
.btn.ghost-sm:hover{color:var(--amber);border-color:rgba(255,181,69,.5)}
.lc-foot .btn{flex:1}

/* ---------- 路线详情：实景图 ---------- */
.detail-hero{position:relative;margin:2px 0 16px;border-radius:13px;overflow:hidden;border:1px solid var(--line2)}
.detail-hero img{width:100%;height:150px;object-fit:cover;display:block}
.detail-hero figcaption{position:absolute;left:0;right:0;bottom:0;padding:7px 12px;font-size:10.5px;color:#cfe0f2;
  background:linear-gradient(transparent,rgba(6,12,22,.88))}
.detail-hero a{color:var(--amber)}

/* ---------- 分天行程计划表 ---------- */
.day-plan{display:flex;flex-direction:column;gap:11px}
.day-card{border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.02);overflow:hidden;
  transition:border-color .18s}
.day-card:hover{border-color:rgba(255,181,69,.4)}
.day-head{display:flex;gap:11px;align-items:center;padding:10px 13px;background:rgba(255,181,69,.07);
  border-bottom:1px solid var(--line)}
.day-no{font-size:11px;font-weight:800;letter-spacing:.1em;color:var(--amber);flex:none}
.day-head b{font-size:13.5px}
.day-km{margin-left:auto;font-size:11.5px;color:var(--tx3);font-variant-numeric:tabular-nums;flex:none}
.day-body{padding:9px 13px;display:flex;flex-direction:column;gap:6px}
.day-row{display:flex;gap:11px;font-size:12.5px;line-height:1.6}
.day-row i{flex:none;width:30px;font-style:normal;color:var(--tx3);font-size:11.5px}
.day-row span{color:var(--tx2)}
.day-cost{display:flex;flex-wrap:wrap;gap:12px;padding:9px 13px;border-top:1px dashed var(--line);
  font-size:11.5px;color:var(--tx3);font-variant-numeric:tabular-nums}
.day-total{margin-left:auto;color:var(--amber)}
.day-note{font-size:11px;color:var(--tx3);padding:1px 2px;line-height:1.6}


@media (max-width:1100px){
  .side-panel{width:378px}
  .top-search{width:190px}
  .map-legend{display:none}
}
@media (max-width:860px){
  body{overflow:auto}
  .topbar{height:auto;flex-wrap:wrap;padding:10px 14px;gap:10px}
  .topnav{order:3;width:100%;overflow-x:auto;padding-bottom:2px}
  .top-search{width:100%;order:2;margin-left:0}
  .stage{flex-direction:column;height:auto}
  .map-panel{height:56vh;min-height:340px}
  .side-panel{width:100%;border-left:0;border-top:1px solid var(--line);max-height:none;overflow:visible}
  .stat-grid{grid-template-columns:repeat(4,1fr)}
  .supplies,.spot-grid{grid-template-columns:1fr}
  .drive-chapter{width:calc(100% - 44px);bottom:150px}
  .drive-controls{flex-wrap:wrap;gap:9px;padding:11px 13px}
  .timeline{order:5;flex-basis:100%}
  .drive-clock{margin-left:auto}
  .spot-info{left:14px;right:14px;width:auto;bottom:70px}
  .spot-hint{display:none}
  .footbar{flex-direction:column;gap:4px;text-align:center}
}