:root{font-family:system-ui,"Microsoft YaHei",sans-serif;color:#223e3b;background:#d7ebcf;--ink:#223e3b;--muted:#54736b;--paper:#fff9e7;--line:#b2c9b4;--green:#296b55;--road:#405762;--road-deep:#344b56;--paint:#d8ddd2;--curb:#f5ce72}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;background:radial-gradient(ellipse at 50% 0,#f6f5d4,transparent 63%),radial-gradient(circle,#9fbf9c65 1px,transparent 1.5px) 0 0/17px 17px,#d7ebcf}
button{font:inherit;color:inherit;cursor:pointer;border:1px solid var(--line);background:var(--paper);border-radius:12px}
button:focus-visible{outline:3px solid #37775e;outline-offset:3px}
button:hover{border-color:#9db9a6}
button:active{transform:translateY(1px)}
.app{width:min(100% - 24px,660px);margin:auto;padding:16px 0 26px}
.mast,.heading,.yard-head,.section-head,.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.mast{margin-bottom:12px}
.brand{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:850;color:inherit;text-decoration:none}
.brand small{margin-left:6px;font-size:9px;letter-spacing:.13em;color:var(--muted)}
.brand-icon{display:block;flex:none;width:29px;height:29px;object-fit:contain}
.mast-actions{display:flex;gap:7px}
.icon{width:35px;height:35px;border-color:#628e7d;border-radius:10px;background:#fff9e7;box-shadow:0 2px 0 #8eb39c;font-weight:850;font-size:19px}
#sound{position:relative}
#sound[aria-pressed=false]::after{content:"";position:absolute;left:9px;right:9px;top:50%;height:1.5px;background:#6d8272;transform:rotate(-46deg);pointer-events:none}
#sound[aria-pressed=true]{background:#e2efda;border-color:#b5cbb0}
.game{border:2px solid #5c8775;border-radius:23px;padding:13px;background:var(--paper);box-shadow:0 5px 0 #9abb9e,0 14px 30px #273e291c}
.heading{margin:0 0 13px}
.eyebrow{margin:0 0 2px;font-size:9px;letter-spacing:.19em;font-weight:900;color:#477e65}
h1,h2,p{margin:0}
h1{font-size:clamp(23px,6vw,34px);font-weight:950;letter-spacing:-.055em;line-height:1.13;color:#224b40;text-shadow:0 2px #f3daa3}
.level{display:flex;align-items:center;gap:6px;padding:5px 8px;font-size:12px;font-weight:850;min-height:37px;background:#ffdf89;border-color:#9b7738;box-shadow:0 2px 0 #c89c52}
#level-number{border-radius:5px;background:#775928;color:#fff5d5;padding:4px 5px;font-size:10px;font-variant-numeric:tabular-nums}
#level-name{max-width:116px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.scene{position:relative;isolation:isolate;overflow:hidden;border:2px solid #385e54;border-radius:16px;background:var(--road);box-shadow:0 3px 0 #b2c5a0}
.yard{position:relative;overflow:hidden;border-inline:6px solid #91b879;border-bottom:3px solid #d2ab67;background:repeating-linear-gradient(90deg,#beaa811f 0 1px,transparent 1px 24px),repeating-linear-gradient(0deg,#beaa8124 0 1px,transparent 1px 24px),#f1e6c8}
.yard-head{position:relative;z-index:2;padding:8px 8px 5px}
.tag,.progress{font-size:11px;font-weight:850}
.tag{display:inline-flex;align-items:center;white-space:nowrap;padding:3px 6px;border-radius:5px;background:#2e6354;color:#fff8e6;box-shadow:0 2px #b0a57e}
.yard-progress{display:flex;align-items:center;gap:6px;padding:3px 6px;border:1px solid #e2d3a9;border-radius:6px;background:#fff7df;color:#385b4b;font-variant-numeric:tabular-nums}
.yard-progress progress{width:clamp(27px,10vw,75px);height:5px;border:0;border-radius:3px;overflow:hidden;appearance:none;background:#e6dbc0;accent-color:#5a9c69}
.yard-progress progress::-webkit-progress-bar{background:#e6dbc0}
.yard-progress progress::-webkit-progress-value{background:#5a9c69;border-radius:3px}
.yard-progress progress::-moz-progress-bar{background:#5a9c69;border-radius:3px}
.tag i{width:6px;height:6px;background:#ffd178;border-radius:50%;margin-right:4px}
.yard-scenery{position:absolute;inset:0;pointer-events:none}
.planter{position:absolute;top:41px;display:flex;align-items:center;gap:3px;padding:3px;border:1px solid #869c60;border-radius:6px;background:#a5be78;box-shadow:0 2px #c2ae7d}
.planter-left{left:6px}.planter-right{right:6px}
.planter i{width:13px;height:13px;border-radius:50%;background:radial-gradient(circle at 32% 28%,#a7ce77 0 30%,#6fa958 34% 66%,#4d8248 70%);box-shadow:1px 2px #496b3c65}
.bench{position:absolute;bottom:23px;width:25px;height:8px;border:1px solid #8c6c47;border-radius:2px;background:linear-gradient(#ceaa74 0 38%,#a17d53 39% 52%,#ceaa74 53%);box-shadow:0 2px #af9974}
.bench-left{left:9px}.bench-right{right:9px}
.crowd{position:relative;z-index:1;--tile:19px;--column-pitch:.82;--step:calc(var(--tile)*var(--column-pitch));--side-space:16px;width:min(calc((100% - var(--side-space))*var(--column-pitch)),calc(var(--columns)*var(--step)));display:grid;grid-template-columns:repeat(var(--columns),1fr);margin:auto;padding:2px 0 4px}
@supports(width:round(nearest,10px,1px)){.crowd{--step:round(nearest,calc(var(--tile)*var(--column-pitch)),1px)}}
.cell{position:relative;z-index:0;aspect-ratio:1}
.person{width:100%;height:100%;display:block;overflow:visible}
.cell .person{position:absolute;top:0;left:50%;width:calc(100% / var(--column-pitch));height:auto;aspect-ratio:1;transform:translateX(-50%)}
.cell .person-shadow{visibility:hidden}
.person-body,.person-foot{fill:color-mix(in srgb,var(--person-color),#162b25 25%)}
.exit{position:relative;display:flex;align-items:center;gap:9px;padding:2px 12px 3px;color:#786543;font-size:10px}
.exit span{flex:1;border-top:2px solid #d0b67e}
.platform,.garage{background:var(--road)}
.section-head{padding:4px 8px;margin:0;background:var(--road-deep);color:#fff4d8}
.section-head h2{font-size:12px;font-weight:900}
.section-head>span{font-size:10px;color:#edf2df;font-weight:750}
#occupancy{padding:1px 5px;border-radius:4px;background:#627b77;color:#fff6d4;font-variant-numeric:tabular-nums}
.walkway{height:19px;border-block:1px solid #a4aa94;background:#b7bba7;box-shadow:inset 0 2px #ffffff16}
.bays{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;padding:3px 7px 0}
.bay{position:relative;min-height:57px;display:grid;place-items:center;border:1px solid #a4aaa2;border-top:2px solid var(--paint);border-bottom:0;border-radius:4px 4px 0 0;background:#4c6670;color:#dbdfcd}
.bay.empty::before{content:attr(data-label);font-size:15px;font-weight:900;letter-spacing:.08em;opacity:.7}
.bay.occupied{border-color:#e1dbad;background:#58747a}
.jammed .bay.occupied{border-color:#bd906b;background:#f2e9d8}
.jammed .cell:not(.exit-ready) .person{opacity:.38}
.jammed .exit-ready .person rect:last-child{stroke:#fff9e1;stroke-width:1}
.jammed .car-button{opacity:.55;cursor:default}
.jammed .message{display:none}
.jam-review{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 9px;border-top:2px solid #d0a06a;background:#fff0db;color:#604730}
.jam-review[hidden]{display:none}
#jam-title{font-size:13px;font-weight:850}
.jam-detail{font-size:11px;line-height:1.5}
#jam-retry{min-height:36px;flex:none;padding:6px 8px;font-size:12px}
.exit-road{position:relative;height:34px;border-block:1px solid #9babaa;background:var(--road)}
.exit-road::before{content:"";position:absolute;left:9px;right:32px;top:50%;height:2px;background:repeating-linear-gradient(90deg,#f0ce7e 0 15px,transparent 15px 25px)}
.exit-road span{position:absolute;right:8px;top:50%;transform:translateY(-52%);font-size:22px;line-height:1;font-weight:900;color:#f0ce7e}
.bay:is(.departing,.incoming) :is(.bus-art,.seats,.load-track){visibility:hidden}
.bay.incoming{border-style:dashed}
.bay.incoming::before{content:"进站中";position:absolute;font-size:10px;color:#fff1c8}
html[lang=en] .bay.incoming::before{content:"Arriving"}
.garage{border-top:3px solid #ae925f}
.garage .section-head h2::before{content:"P";display:inline-grid;place-items:center;width:14px;height:14px;margin-right:5px;border:1px solid #adc6c2;border-radius:3px;background:#527580;color:#fff8dc;font-size:10px}
.cars{display:grid;grid-template-columns:repeat(var(--lanes),minmax(0,1fr));gap:4px 6px;padding:5px 7px 7px;background:repeating-linear-gradient(90deg,#ffffff06 0 1px,transparent 1px 24px),var(--road)}
.car-cell{min-width:0;height:54px;display:grid;place-items:center;border:1px solid #99aaa8;border-top:0;border-bottom:2px solid #c2c6b5;border-radius:0 0 5px 5px;background:#4b636d}
.car-cell.queued{border-color:#ecd392;background:#668175}
.car-cell.queued .car-button{cursor:default;opacity:.72}
.car-button{position:relative;width:100%;height:100%;padding:0;display:grid;place-items:center;border:1px solid #cfbd8b;border-radius:4px;background:#6b8078}
.car-button:not(.blocked):hover{background:#7b8d78;border-color:#ffe5a0}
.car-button.blocked{background:#455a63;border-color:transparent}
.car-button.blocked .bus-art{opacity:.73}
.car-button.blocked .arrow{opacity:.45}
.bus-art{display:block;width:min(100%,62px);height:45px;overflow:visible;filter:drop-shadow(0 2px 1px #142f2a25)}
.car-button .bus-art{width:36px;height:min(44px,100%)}
.arrow,.seats{position:absolute;z-index:1;font-size:11px;font-weight:900;line-height:1;pointer-events:none}
.arrow{left:2px;top:3px;padding:2px;color:#fff0bc}
.seats{right:2px;bottom:2px;padding:3px 4px;background:#fff5d4;border:1px solid #9a906a;border-radius:6px;color:#334a43;box-shadow:0 1px #334e5470;font-variant-numeric:tabular-nums}
.bay .seats{right:7px;bottom:6px}
.bay .load-track{position:absolute;left:9px;right:33px;bottom:7px;height:3px;overflow:hidden;border-radius:2px;background:#d9e0cf6b}
.load-track i{display:block;width:100%;height:100%;background:var(--bus-color);transform:scaleX(0);transform-origin:left}
.message{min-height:30px;padding-top:8px;font-size:11px;font-weight:700;color:#4b6e5e;text-align:center}
#motion{position:absolute;inset:0;overflow:hidden;border-radius:inherit;pointer-events:none;z-index:3}
.moving-person,.moving-bus{position:absolute;left:0;top:0;will-change:transform,opacity}
.moving-person{display:block}
.moving-person .person{width:100%;height:100%;animation:walk-step 130ms ease-in-out infinite alternate}
.moving-person .person-foot{animation:foot-step 260ms ease-in-out infinite}
.moving-person .right-foot{animation-delay:-130ms}
.moving-bus .bus-art{width:100%;height:100%}
body:has(dialog[open]) .moving-person :is(.person,.person-foot){animation-play-state:paused}
@keyframes walk-step{from{transform:translateY(0)}to{transform:translateY(-1px)}}
@keyframes foot-step{0%,100%{transform:translateY(-1.2px)}50%{transform:translateY(1.8px)}}
.bay.arriving{animation:arrive .23s ease-out}
@keyframes arrive{from{opacity:.72;background:#7d8f75}to{opacity:1;background:#58747a}}
dialog{width:min(100% - 34px,390px);border:2px solid #5c8775;border-radius:19px;background:var(--paper);color:var(--ink);padding:18px;box-shadow:0 4px 0 #3a6459,0 12px 40px #1f342e35}
dialog::backdrop{background:#18332980}
dialog h2{font-size:21px}
dialog ol{font-size:14px;line-height:1.75;padding-left:23px}
dialog p{font-size:14px;line-height:1.65;color:var(--muted);margin:7px 0 15px}
.rules-actions{display:flex;align-items:center;justify-content:space-between;gap:8px}
.rules-actions a{color:var(--green);font-size:13px;font-weight:750}
.primary{background:#36785c;color:white;border-color:#2a5b4b;box-shadow:0 2px 0 #275545;font-weight:800;padding:9px 13px}
.result-art{height:105px;margin-bottom:13px;display:grid;place-items:center;border:1px dashed #bba777;border-radius:10px;background:#f2e7ca}
.result-art svg{width:82px;height:82px;animation:stamp-in .26s cubic-bezier(.25,.8,.25,1.2)}
@keyframes stamp-in{from{opacity:.5;transform:scale(.82)}to{opacity:1;transform:scale(1)}}
.result-actions{display:flex;justify-content:flex-end;gap:8px}
.result-actions button{padding:8px 12px}
.picture-tabs{display:flex;gap:7px;margin-top:12px}
.picture-tabs button{padding:7px 10px;font-size:12px;font-weight:750}
.picture-tabs button[aria-pressed=true]{background:#e7f1df;border-color:#95b69b}
#picture-search{width:100%;margin-top:9px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:#fffdf5;color:var(--ink);font:inherit}
#picture-count{margin:7px 0;font-size:11px}
.pictures{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;max-height:min(48dvh,450px);overflow:auto;overscroll-behavior:contain;padding:2px}
.pictures button{display:grid;gap:4px;justify-items:center;padding:8px;font-weight:750;font-size:12px}
.pictures button small{color:var(--muted);font-size:10px;font-weight:650}
.pictures svg{width:55px;height:55px}
.pictures [aria-current=true]{border-color:#6f9a77;background:#e7f1df}
.pictures .completed{color:#3b775b;margin-left:5px}
@media(max-width:430px){.app{padding-top:10px}.game{padding:9px;border-radius:18px}.car-cell{height:48px}.bus-art{height:41px}.yard-head{padding:6px 7px}.crowd{--tile:min(4.9vw,19px);--side-space:14px}}
@media(max-width:460px){
  .cars{grid-auto-flow:dense;max-height:118px;min-height:62px;overflow-y:auto;overscroll-behavior-y:contain;scrollbar-width:thin;scrollbar-color:#abc0ad transparent}
  .car-cell:empty:not(.leaving){display:none}
}
@media(max-width:460px) and (max-height:820px){
  .app{padding:6px 0 8px}
  .mast{margin-bottom:6px}
  .game{padding:8px}
  .heading{margin-bottom:7px}
  .eyebrow{display:none}
  .level{min-height:32px}
  .yard-head{padding:4px 5px}
  .exit{padding:0 8px 3px}
  .crowd{--tile:clamp(10px,calc((100svh - 413px) / var(--rows)),19px);--side-space:12px}
  .section-head{padding:3px 6px}
  .walkway{height:16px}
  .bay{min-height:46px}
  .exit-road{height:28px}
  .cars{padding:3px;max-height:101px;min-height:52px}
  .car-cell{height:44px}
  .message{min-height:23px;padding-top:5px}
  .planter{top:37px;padding:2px}
  .planter i{width:10px;height:10px}
  .bench{width:19px;height:7px}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important}}