:root{
  --brand:#16705C;
  --brand-d:#0E5344;
  --brand-l:#E7F2EE;
  --accent:#C05B4D;
  --accent-d:#A3463A;
  --text:#16221F;
  --muted:#6B7B76;
  --line:#E3E9E6;
  --bg:#EEF3F1;
  --white:#fff;
  --shadow:0 6px 22px rgba(16,44,38,.13);
  --shadow-lg:0 14px 44px rgba(16,44,38,.22);
  --r:14px;
  --safe-b:env(safe-area-inset-bottom,0px);
  --safe-t:env(safe-area-inset-top,0px);
  --topbar-h:118px;
  --chips-h:56px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
/* hidden 属性必须真的能隐藏。
   下面的 .modal / .menu / .sheet / .navpanel 都设了 display，
   按 CSS 层叠规则会盖过浏览器默认的 [hidden]{display:none}——
   结果是"已关闭"的遮罩仍然铺满全屏：地图被压暗、路线看不见、所有点击被吃掉。
   这一条是必需的，不能删。 */
[hidden]{display:none !important}
html,body{height:100%;margin:0}
body{
  background:var(--bg);color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:15px;line-height:1.6;overflow:hidden;
  overscroll-behavior:none;-webkit-text-size-adjust:100%;
}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;padding:0}
input{font-family:inherit}
img{-webkit-user-drag:none}
#app{position:fixed;inset:0;display:flex;flex-direction:column}

/* ================= 顶部栏 ================= */
.topbar{
  position:absolute;z-index:30;left:0;right:0;top:0;
  padding:calc(9px + var(--safe-t)) 12px 9px;
  display:flex;flex-direction:column;gap:8px;
  pointer-events:none;
}
.topbar>*{pointer-events:auto}
.topbar-row{display:flex;align-items:center;gap:8px}
.brand{display:flex;align-items:center;gap:9px;flex:1;min-width:0}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  background:linear-gradient(150deg,var(--brand),var(--brand-d));
  color:#fff;display:grid;place-items:center;
  font-size:18px;font-weight:500;
  box-shadow:0 4px 14px rgba(14,83,68,.35);
}
.brand-text{min-width:0}
.brand-text h1{margin:0;font-size:15.5px;font-weight:600;letter-spacing:.3px;color:#0F2B24;text-shadow:0 1px 6px rgba(255,255,255,.9)}
.brand-text p{margin:0;font-size:11px;color:#4C6A62;text-shadow:0 1px 6px rgba(255,255,255,.9);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.icon-btn{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  background:rgba(255,255,255,.96);border:1px solid var(--line);box-shadow:var(--shadow);
  display:grid;place-items:center;color:var(--brand-d);
}
.icon-btn svg{width:19px;height:19px;fill:currentColor}
.icon-btn:active{transform:scale(.94)}

.searchbox{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.97);backdrop-filter:blur(12px);
  border:1px solid var(--line);border-radius:12px;
  padding:0 12px;height:42px;box-shadow:var(--shadow);
}
.searchbox .ico{width:17px;height:17px;color:var(--muted);flex:0 0 17px}
.searchbox input{
  flex:1;border:0;outline:0;background:transparent;
  font-size:15px;color:var(--text);min-width:0;
  -webkit-appearance:none;
}
.searchbox input::-webkit-search-cancel-button{display:none}
.searchbox input::placeholder{color:#9BAAA5}
.search-clear{
  width:22px;height:22px;border-radius:50%;background:#E6EBE9;color:#5C6E68;
  font-size:15px;line-height:1;display:grid;place-items:center;flex:0 0 22px;
}
.suggest{
  position:absolute;left:12px;right:12px;top:calc(100% - 2px);
  background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow-lg);overflow:hidden;max-height:56vh;overflow-y:auto;
  -webkit-overflow-scrolling:touch;
}
.suggest button{
  display:flex;align-items:center;gap:10px;width:100%;text-align:left;
  padding:11px 14px;border-bottom:1px solid #F1F5F3;font-size:14.5px;
}
.suggest button:last-child{border-bottom:0}
.suggest button:active{background:#F4F8F6}
.suggest .sg-cat{width:8px;height:8px;border-radius:50%;flex:0 0 8px}
.suggest .sg-name{flex:1;color:var(--text);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.suggest .sg-hint{font-size:12px;color:var(--muted);flex:0 0 auto}
.suggest .empty{padding:18px;text-align:center;color:var(--muted);font-size:13.5px}

/* ================= 地图舞台 ================= */
#stage{position:absolute;inset:0;overflow:hidden;background:#E9EFED}
#viewport{position:absolute;inset:0;overflow:hidden;touch-action:none;cursor:grab}
#viewport.dragging{cursor:grabbing}
#world{position:absolute;left:0;top:0;transform-origin:0 0;will-change:transform}
#basemap{display:block;width:1920px;height:1357px;max-width:none;box-shadow:0 0 0 1px rgba(0,0,0,.06)}
#routeLayer{position:absolute;left:0;top:0;width:1920px;height:1357px;pointer-events:none}
#markerLayer{position:absolute;left:0;top:0;width:1920px;height:1357px}

/* 载入 */
.loading{
  position:absolute;inset:0;z-index:40;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:14px;
  background:var(--bg);color:var(--muted);font-size:13.5px;
  transition:opacity .3s ease;
}
.loading.hide{opacity:0;pointer-events:none}
.spin{
  width:30px;height:30px;border-radius:50%;
  border:2.5px solid #D6E2DD;border-top-color:var(--brand);
  animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ================= 标记 ================= */
.mk{
  position:absolute;display:flex;flex-direction:column;align-items:center;
  cursor:pointer;
  transform:translate(-50%,-50%) scale(var(--ms,1));
  transform-origin:center center;
}
.mk .pin{
  position:relative;
  width:29px;height:29px;border-radius:50%;
  border:2.5px solid #fff;display:grid;place-items:center;
  color:#fff;font-size:11px;font-weight:700;letter-spacing:-.3px;
  box-shadow:0 2px 8px rgba(0,0,0,.32);
  transition:transform .15s ease,box-shadow .15s ease;
  font-variant-numeric:tabular-nums;
}
.mk .lb{
  margin-top:3px;font-size:11px;line-height:1.25;white-space:nowrap;
  color:#12332B;font-weight:600;
  background:rgba(255,255,255,.94);border-radius:5px;padding:1px 5px;
  box-shadow:0 1px 4px rgba(0,0,0,.16);
  opacity:0;transform:translateY(-3px);transition:opacity .18s ease,transform .18s ease;
  pointer-events:none;
}
.mk.visible .lb{opacity:1;transform:translateY(0)}
.mk.active .pin{transform:scale(1.22);box-shadow:0 5px 16px rgba(0,0,0,.36)}
.mk.active .pin::after{
  content:"";position:absolute;inset:-7px;border-radius:50%;
  border:2.5px solid rgba(22,112,92,.45);
  animation:ring 1.6s ease-out infinite;
}
@keyframes ring{0%{transform:scale(.9);opacity:.9}100%{transform:scale(1.35);opacity:0}}
.mk.dim{opacity:.22;filter:saturate(.3);pointer-events:none}
.mk.dim .lb{opacity:0 !important}

/* 我的位置 */
.me{position:absolute;pointer-events:none;z-index:6}
/* 精度圈：跟着地图缩放（代表真实距离） */
.me .acc{
  position:absolute;left:0;top:0;border-radius:50%;
  background:rgba(42,111,168,.12);border:1px solid rgba(42,111,168,.4);
  transform:translate(-50%,-50%);
}
/* 图标本体：固定屏幕尺寸 */
.me .core{
  position:absolute;left:0;top:0;width:0;height:0;
  transform:scale(var(--ms,1));transform-origin:center center;
}
.me .core>div{position:absolute}
.me .ring{
  left:-11px;top:-11px;width:22px;height:22px;
  border-radius:50%;background:rgba(42,111,168,.22);
  animation:pulse 2.4s ease-out infinite;
}
.me .dot{
  left:-8px;top:-8px;width:16px;height:16px;
  border-radius:50%;background:#2A6FA8;border:3px solid #fff;
  box-shadow:0 2px 8px rgba(0,0,0,.35);
}
.me .head{
  left:-7px;top:-25px;width:0;height:0;
  border-left:7px solid transparent;border-right:7px solid transparent;
  border-bottom:15px solid #2A6FA8;
  filter:drop-shadow(0 1px 2px rgba(0,0,0,.3));
}
@keyframes pulse{0%{transform:scale(.7);opacity:.9}70%{transform:scale(3.4);opacity:0}100%{transform:scale(3.4);opacity:0}}

/* 步行小人 */
.walker{
  position:absolute;width:22px;height:22px;border-radius:50%;
  background:var(--accent);border:3px solid #fff;z-index:7;pointer-events:none;
  box-shadow:0 3px 10px rgba(0,0,0,.35);
  transform:translate(-50%,-50%) scale(var(--ms,1));
}
.walker::after{
  content:"";position:absolute;inset:-6px;border-radius:50%;
  border:2px solid rgba(192,91,77,.5);animation:ring 1.4s ease-out infinite;
}

/* ================= 悬浮按钮 ================= */
.fab-col{
  position:absolute;right:12px;bottom:calc(var(--chips-h) + 18px + var(--safe-b));
  display:flex;flex-direction:column;gap:8px;z-index:25;
  transition:opacity .2s ease;
}
.fab-col.hide{opacity:0;pointer-events:none}
.fab{
  width:40px;height:40px;border-radius:12px;
  background:rgba(255,255,255,.97);backdrop-filter:blur(10px);
  border:1px solid var(--line);box-shadow:var(--shadow);
  color:var(--brand-d);font-size:20px;font-weight:400;
  display:grid;place-items:center;line-height:1;
}
.fab:active{transform:scale(.93);background:var(--brand-l)}
.fab svg{width:19px;height:19px;fill:none}
.fab.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.fab.busy svg{animation:spin 1s linear infinite}

/* ================= 分类 chips ================= */
.chips{
  position:absolute;left:0;right:0;bottom:0;z-index:25;
  height:calc(var(--chips-h) + var(--safe-b));
  padding:8px 12px calc(8px + var(--safe-b));
  display:flex;gap:7px;overflow-x:auto;scrollbar-width:none;
  background:linear-gradient(to top,rgba(238,243,241,.99) 62%,rgba(238,243,241,0));
  -webkit-overflow-scrolling:touch;scroll-behavior:smooth;
}
.chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;height:32px;padding:0 14px;border-radius:16px;
  background:rgba(255,255,255,.97);border:1px solid var(--line);
  font-size:13px;color:#3A514B;box-shadow:0 2px 8px rgba(16,44,38,.07);
  display:flex;align-items:center;gap:6px;transition:background .15s ease,color .15s ease;
}
.chip .ct{width:7px;height:7px;border-radius:50%}
.chip.on{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 4px 14px rgba(22,112,92,.3)}
.chip.on .ct{background:#fff !important}

/* ================= 详情面板 ================= */
.sheet{
  position:absolute;z-index:40;left:0;right:0;bottom:0;
  background:var(--white);border-radius:20px 20px 0 0;
  box-shadow:var(--shadow-lg);
  padding:10px 18px calc(18px + var(--safe-b));
  transform:translateY(102%);transition:transform .3s cubic-bezier(.32,.72,0,1);
  max-height:78vh;display:flex;flex-direction:column;
}
.sheet.show{transform:translateY(0)}
.sheet-grab{width:38px;height:4px;border-radius:2px;background:#D8E2DE;margin:0 auto 12px;flex:0 0 4px}
.sheet-close{
  position:absolute;right:12px;top:12px;width:30px;height:30px;border-radius:50%;
  background:#F0F4F2;color:#5C6E68;font-size:19px;line-height:1;display:grid;place-items:center;z-index:2;
}
.sheet-close:active{background:#E3EAE7}
.sheet-body{overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}
.sp-head{display:flex;align-items:flex-start;gap:12px;padding-right:36px}
.sp-badge{
  width:44px;height:44px;flex:0 0 44px;border-radius:13px;color:#fff;
  display:grid;place-items:center;font-size:14px;font-weight:700;
  box-shadow:0 4px 12px rgba(0,0,0,.16);font-variant-numeric:tabular-nums;
}
.sp-title{min-width:0}
.sp-title h2{margin:1px 0 2px;font-size:19px;font-weight:600;letter-spacing:.2px}
.sp-title .cat{font-size:12.5px;color:var(--muted)}
.sp-intro{margin:14px 0 0;font-size:14.5px;line-height:1.78;color:#31443F}
.sp-meta{margin:10px 0 0;font-size:12.5px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px 14px}
.sp-meta b{color:#2C544A;font-weight:600}
.sp-actions{display:flex;gap:10px;margin-top:16px}
.btn{
  flex:1;height:46px;border-radius:12px;font-size:15px;font-weight:500;
  display:flex;align-items:center;justify-content:center;gap:7px;
  transition:transform .12s ease,background .15s ease;
}
.btn:active{transform:scale(.97)}
.btn svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;flex:0 0 19px}
.btn.primary{background:var(--brand);color:#fff;box-shadow:0 5px 16px rgba(22,112,92,.3)}
.btn.primary.playing{background:var(--accent);box-shadow:0 5px 16px rgba(192,91,77,.3)}
.btn.ghost{background:#F0F5F3;color:#26433C;border:1px solid var(--line)}
.btn[disabled]{opacity:.45;pointer-events:none}
.audio-bar{
  margin-top:12px;display:flex;align-items:center;gap:10px;
  padding:9px 12px;background:#F5F9F7;border-radius:11px;border:1px solid #E7EFEB;
}
.audio-bar .ab-txt{font-size:12.5px;color:var(--muted);flex:1}
.audio-bar .wave{display:flex;align-items:center;gap:2.5px;height:16px}
.audio-bar .wave i{width:2.5px;border-radius:2px;background:var(--brand);height:30%;display:block}
.audio-bar.playing .wave i{animation:wv .9s ease-in-out infinite}
.audio-bar.playing .wave i:nth-child(2){animation-delay:.15s}
.audio-bar.playing .wave i:nth-child(3){animation-delay:.3s}
.audio-bar.playing .wave i:nth-child(4){animation-delay:.45s}
@keyframes wv{0%,100%{height:25%}50%{height:100%}}

/* ================= 导航面板 ================= */
.navpanel{
  position:absolute;z-index:45;left:0;right:0;bottom:0;
  background:var(--white);border-radius:20px 20px 0 0;
  box-shadow:var(--shadow-lg);
  padding:14px 18px calc(16px + var(--safe-b));
  transform:translateY(105%);transition:transform .3s cubic-bezier(.32,.72,0,1);
  max-height:72vh;display:flex;flex-direction:column;
}
.navpanel.show{transform:translateY(0)}
.nav-head{position:relative;flex:0 0 auto}
.nav-pick{display:flex;flex-direction:column;gap:0;padding-right:38px}
.nav-endpoint{
  display:flex;align-items:center;gap:10px;height:38px;
  text-align:left;font-size:15px;color:#2A3F3A;width:100%;
}
.nav-endpoint b{font-weight:500;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav-endpoint.set b{font-weight:600;color:var(--brand-d)}
.nav-endpoint .dot{width:11px;height:11px;border-radius:50%;flex:0 0 11px}
.nav-endpoint .dot.from{background:var(--brand)}
.nav-endpoint .dot.to{background:var(--accent)}
.nav-endpoint .chev{color:#B6C4BF;font-size:18px;line-height:1}
.nav-endpoint.picking{background:var(--brand-l);border-radius:10px}
.nav-swap{position:relative;height:22px;display:flex;align-items:center;padding-left:5px}
.nav-swap .rail{position:absolute;left:5px;top:0;bottom:0;width:1.5px;background:repeating-linear-gradient(to bottom,#CFDCD7 0 4px,transparent 4px 8px)}
.nav-swap button{
  position:relative;margin-left:26px;width:26px;height:26px;border-radius:8px;
  background:#F0F5F3;color:#455A54;font-size:13px;display:grid;place-items:center;border:1px solid var(--line);
}
.nav-swap button:active{background:var(--brand-l)}
.nav-info{
  margin-top:12px;padding:12px 14px;background:#F5F9F7;border-radius:12px;
  font-size:13.5px;color:#31443F;display:none;overflow-y:auto;-webkit-overflow-scrolling:touch;
}
.nav-info.show{display:block}
.nav-info .big{font-size:19px;font-weight:600;color:var(--brand-d);margin-right:4px}
.nav-info .sum{display:flex;align-items:baseline;gap:4px;flex-wrap:wrap}
.nav-info .sum .tag{font-size:12px;background:#E2EFEA;color:#2C544A;border-radius:6px;padding:1px 7px;margin-left:4px}
.nav-info .steps{margin:10px 0 0;padding:0;list-style:none;font-size:13px;color:#4E635D;max-height:30vh;overflow-y:auto}
.nav-info .steps li{display:flex;gap:8px;padding:4px 0;align-items:flex-start}
.nav-info .steps li i{
  font-style:normal;width:18px;height:18px;flex:0 0 18px;border-radius:50%;
  background:#DCE9E4;color:#2C544A;font-size:10.5px;display:grid;place-items:center;margin-top:2px;
}
.nav-info .steps li.done{opacity:.45}
.nav-info .steps li.cur{color:var(--brand-d);font-weight:600}
.nav-info .steps li.cur i{background:var(--brand);color:#fff}
.nav-warn{font-size:12px;color:#96683A;background:#FFF7E8;border:1px solid #F2E4C6;border-radius:9px;padding:8px 10px;margin-top:10px}
.nav-actions{display:flex;gap:10px;margin-top:14px;flex:0 0 auto}

/* ================= 菜单 ================= */
.menu{position:fixed;inset:0;z-index:70;background:rgba(12,26,22,.35);display:flex;align-items:flex-end}
.menu-panel{
  width:100%;background:#fff;border-radius:18px 18px 0 0;
  padding:8px 8px calc(10px + var(--safe-b));
  animation:up .25s cubic-bezier(.32,.72,0,1);
}
@keyframes up{from{transform:translateY(100%)}to{transform:translateY(0)}}
.menu-panel button{
  display:block;width:100%;text-align:center;padding:14px;font-size:15.5px;
  border-bottom:1px solid #F1F5F3;color:#26433C;
}
.menu-panel button:last-child{border-bottom:0}
.menu-panel button:active{background:#F4F8F6}
.menu-panel .menu-cancel{margin-top:7px;border-radius:12px;background:#F0F4F2;color:#5C6E68;font-weight:500;border-bottom:0}

/* ================= 弹窗 ================= */
.modal{position:fixed;inset:0;z-index:80;background:rgba(12,26,22,.4);display:flex;align-items:center;justify-content:center;padding:18px}
.modal-card{
  width:100%;max-width:440px;max-height:86vh;background:#fff;border-radius:16px;
  display:flex;flex-direction:column;box-shadow:var(--shadow-lg);
  animation:pop .22s cubic-bezier(.32,.72,0,1);
}
@keyframes pop{from{transform:scale(.94);opacity:0}to{transform:scale(1);opacity:1}}
.modal-head{position:relative;padding:16px 18px 10px;flex:0 0 auto}
.modal-head h2{margin:0;font-size:17px;font-weight:600}
.modal-body{padding:0 18px 4px;overflow-y:auto;-webkit-overflow-scrolling:touch;font-size:14px;color:#31443F;line-height:1.75}
.modal-body p{margin:0 0 10px}
.modal-body ul{margin:0 0 10px;padding-left:20px}
.modal-body li{margin:3px 0}
.modal-body code{font-family:ui-monospace,Consolas,monospace;font-size:12px;background:#F1F5F3;padding:1px 5px;border-radius:5px;word-break:break-all}
.modal-body textarea{
  width:100%;height:150px;border:1px solid var(--line);border-radius:11px;padding:10px;
  font-family:ui-monospace,Consolas,monospace;font-size:11.5px;line-height:1.6;resize:vertical;
  color:#31443F;background:#FAFCFB;
}
.modal-body .calib-row{
  display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid #F1F5F3;
}
.modal-body .calib-row:last-child{border-bottom:0}
.modal-body .calib-row .nm{flex:1;min-width:0}
.modal-body .calib-row .nm b{display:block;font-size:14px}
.modal-body .calib-row .nm span{font-size:11.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.modal-body .calib-row button{
  height:34px;padding:0 12px;border-radius:9px;background:var(--brand-l);color:var(--brand-d);
  font-size:13px;font-weight:500;flex:0 0 auto;
}
.modal-body .calib-row button.ok{background:#E4F3EC;color:#1F7A57}
.modal-body .calib-row button:active{transform:scale(.96)}
.modal-body .hint{font-size:12.5px;color:var(--muted);background:#F6F9F8;border-radius:10px;padding:10px 12px;margin:8px 0}
.modal-body .hint b{color:#2C544A}
.modal-foot{padding:12px 18px calc(16px + var(--safe-b));display:flex;gap:10px;flex:0 0 auto}

/* ================= toast ================= */
.toast{
  position:absolute;z-index:90;left:50%;bottom:calc(var(--chips-h) + 88px + var(--safe-b));
  transform:translateX(-50%) translateY(8px);
  background:rgba(24,44,39,.94);color:#fff;font-size:13.5px;
  padding:9px 17px;border-radius:20px;max-width:86vw;text-align:center;
  opacity:0;transition:opacity .22s ease,transform .22s ease;pointer-events:none;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* 右下角提示条 */
.corner-tip{
  position:absolute;right:12px;bottom:calc(var(--chips-h) + 118px + var(--safe-b));
  z-index:24;font-size:11px;color:#6B7B76;background:rgba(255,255,255,.92);
  padding:3px 8px;border-radius:8px;border:1px solid var(--line);white-space:nowrap;
  pointer-events:none;
}

/* ================= 桌面端 ================= */
@media (min-width:820px){
  :root{--topbar-h:126px;--chips-h:60px}
  .topbar{padding:calc(16px + var(--safe-t)) 20px 12px;max-width:560px}
  .brand-text h1{font-size:17px}
  .chips{padding:10px 20px calc(10px + var(--safe-b))}
  .fab-col{right:20px}
  .sheet{
    left:auto;right:20px;bottom:20px;width:400px;border-radius:18px;
    transform:translateY(calc(100% + 20px));max-height:72vh;
  }
  .sheet.show{transform:translateY(0)}
  .navpanel{left:20px;right:auto;bottom:20px;width:400px;border-radius:18px;
    transform:translateY(calc(100% + 20px));max-height:72vh}
  .navpanel.show{transform:translateY(0)}
  .toast{bottom:46px}
  .corner-tip{right:20px;bottom:calc(var(--chips-h) + 130px + var(--safe-b))}
  .menu{align-items:center;justify-content:center}
  .menu-panel{width:320px;border-radius:16px;padding:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
}