:root{font-family:Public Sans,PingFang SC,sans-serif;color:#17231d;background:#edf1ed;font-synthesis:none;--paper:rgba(255,255,252,.94);--ink:#17231d;--muted:#6d7871;--line:#dbe1dc;--green:#315c45}*{box-sizing:border-box}body{margin:0;overflow:hidden}.app-shell{height:100vh;min-height:650px;position:relative;background:radial-gradient(circle at 48% 42%,#f8faf7 0,#e8ede8 68%,#dfe6e0)}.map-canvas{position:absolute;inset:0}.brand-float,.search-float,.date-float,.legend-float,.source-float,.hover-card{position:absolute;background:var(--paper);border:1px solid rgba(25,48,35,.1);box-shadow:0 16px 45px #21362a1c;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.brand-float{left:28px;top:26px;height:64px;padding:10px 18px 10px 11px;border-radius:17px;display:flex;gap:11px;align-items:center}.brand-mark{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:#173d2b;color:#fff;font-family:"Noto Serif SC";font-size:22px}.brand-float b{font-family:"Noto Serif SC";font-size:19px;display:block}.brand-float small{display:block;color:var(--muted);font-size:11px;margin-top:2px;letter-spacing:.06em}.search-float{top:26px;left:50%;transform:translate(-50%);width:390px;height:54px;border-radius:15px;display:flex;align-items:center;padding:0 14px;gap:9px}.search-float>span{font-size:28px;transform:rotate(-15deg);color:#526159}.search-float input{border:0;outline:0;font-size:15px;background:transparent;flex:1;color:var(--ink)}.search-float kbd{border:1px solid var(--line);color:#79837d;background:#f2f5f2;border-radius:7px;padding:5px 7px;font-family:inherit;font-size:10px}.date-float{right:28px;top:26px;height:54px;border-radius:15px;padding:7px 8px 7px 14px;display:flex;gap:9px;align-items:center}.date-float label{font-size:11px;color:var(--muted)}.date-float input{border:0;background:transparent;font:600 13px inherit;color:var(--ink)}button{font:inherit}.date-float button,.chart-toolbar button{border:0;border-radius:9px;background:#e8eee9;color:#244f38;padding:9px 12px;font-size:12px;font-weight:700;cursor:pointer}.city-marker{position:absolute;left:52.8%;top:55%;transform:translate(-50%,-100%);background:#fff;border:3px solid;border-radius:17px;padding:7px 11px 8px;min-width:76px;text-align:center;box-shadow:0 12px 28px #13271c2e;cursor:pointer;transition:.2s}.city-marker:hover{transform:translate(-50%,-105%) scale(1.04)}.city-marker:after{content:"";position:absolute;width:9px;height:9px;background:#fff;border-right:2px solid currentColor;border-bottom:2px solid currentColor;bottom:-7px;left:31px;transform:rotate(45deg)}.city-marker small,.city-marker span{display:block;color:#68736c;font-size:9px}.city-marker b{display:block;font-size:24px;line-height:26px}.legend-float{left:28px;bottom:28px;border-radius:16px;padding:15px 16px;width:178px;display:grid;gap:7px}.legend-float>b{font-size:12px;margin-bottom:3px}.legend-float span{display:flex;align-items:center;gap:7px;color:#536159;font-size:10px}.legend-float i{width:9px;height:9px;border-radius:3px}.legend-float small{margin-left:auto;color:#8b948e}.source-float{right:28px;bottom:28px;border-radius:14px;padding:12px 16px 11px 36px;min-width:220px}.source-float i{position:absolute;left:15px;top:17px;width:9px;height:9px;background:#35a853;border-radius:50%}.source-float i.pulse{animation:pulse 1.1s infinite}.source-float span{font-size:11px;font-weight:700;display:block}.source-float small{font-size:9px;color:var(--muted);margin-top:3px;display:block}@keyframes pulse{50%{opacity:.25;transform:scale(.7)}}.hover-card{right:28px;top:104px;bottom:96px;width:340px;border-radius:24px;padding:22px;z-index:8;animation:cardIn .25s ease-out}@keyframes cardIn{0%{opacity:0;transform:translate(18px)}to{opacity:1;transform:none}}.card-top{display:flex;justify-content:space-between;align-items:flex-start}.card-top small,.eyebrow{font-size:9px;color:#75817a;letter-spacing:.14em;text-transform:uppercase}.card-top h2{font-family:"Noto Serif SC";font-size:28px;margin:3px 0}.status-dot{font-size:9px;color:#267a49;background:#e4f3e8;border-radius:99px;padding:6px 9px}.mini-map{height:210px;margin:3px -3px 6px}.current-row{display:flex;gap:12px;align-items:center;border-top:1px solid var(--line);padding-top:14px}.aqi-orb{width:54px;height:54px;border-radius:17px;color:#fff;display:grid;place-items:center;font-size:23px;font-weight:700}.current-row b,.current-row span{display:block}.current-row b{font-size:12px}.current-row span{font-size:10px;color:var(--muted);margin-top:4px}.mini-bars{height:55px;display:flex;align-items:flex-end;gap:5px;padding:7px 2px;border-bottom:1px solid var(--line)}.mini-bars i{flex:1;border-radius:2px 2px 0 0}.metric-pair{display:flex;justify-content:space-between;padding:12px 0}.metric-pair span{font-size:9px;color:var(--muted)}.metric-pair b{display:block;color:var(--ink);font-size:11px;margin-top:4px}.open-detail{width:100%;height:42px;border:0;background:#173d2b;color:#fff;border-radius:12px;font-weight:700;font-size:11px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;padding:0 14px}.modal-shade{position:fixed;inset:0;z-index:20;background:#15231b61;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);padding:40px 52px;display:grid;place-items:center;animation:fade .2s}@keyframes fade{0%{opacity:0}}.detail-modal{width:min(1450px,100%);height:min(900px,100%);background:#fbfcf9;border-radius:27px;box-shadow:0 30px 100px #07140d47;padding:30px 35px 20px;display:flex;flex-direction:column;overflow:hidden}.detail-head{display:flex;justify-content:space-between}.detail-head h1{font-family:"Noto Serif SC";font-size:34px;margin:4px 0}.detail-head h1 em{font-family:Public Sans,PingFang SC;font-style:normal;font-size:12px;color:#486151;border:1px solid #ccd7cf;border-radius:99px;padding:6px 10px;vertical-align:middle;margin-left:8px}.detail-head p{font-size:10px;color:var(--muted);margin:0}.close{border:1px solid var(--line);background:#fff;border-radius:50%;width:40px;height:40px;font-size:24px;cursor:pointer}.summary-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:16px;margin-top:18px}.summary-strip>div{padding:13px 18px;border-right:1px solid var(--line);display:grid;grid-template-columns:auto 1fr;align-items:end}.summary-strip>div:last-child{border:0}.summary-strip small{grid-column:1/3;color:var(--muted);font-size:9px;margin-bottom:3px}.summary-strip strong{font-size:25px;line-height:28px}.summary-strip strong.text-value{font-size:17px}.summary-strip span{font-size:9px;color:var(--muted);margin:0 0 3px 7px}.chart-toolbar{display:flex;justify-content:space-between;align-items:center;margin:20px 5px 4px}.chart-toolbar b{font-family:"Noto Serif SC";font-size:15px}.chart-toolbar span{font-size:9px;color:var(--muted);margin-left:12px}.chart-toolbar button.active{background:#244f38;color:#fff}.history-chart{flex:1;min-height:320px}.detail-foot{border-top:1px solid var(--line);padding-top:10px;display:flex;gap:24px;color:#7b857f;font-size:8px;white-space:nowrap;overflow:hidden}.detail-foot span:first-child{color:#4e5f55;font-weight:600}@media(max-width:800px){.search-float{display:none}.brand-float{left:14px;top:14px}.date-float{right:14px;top:14px}.legend-float{left:14px;bottom:14px}.source-float{display:none}.hover-card{inset:auto 14px 14px;width:auto;height:310px}.mini-map{height:90px}.mini-bars,.metric-pair{display:none}.modal-shade{padding:10px}.detail-modal{padding:22px 16px}.summary-strip{grid-template-columns:1fr 1fr}.summary-strip>div:nth-child(2){border-right:0}.detail-foot{display:none}.detail-head h1{font-size:27px}}.legend-float{width:252px;gap:9px}.legend-float>b{margin-bottom:0}.legend-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px 9px}.legend-float .legend-grid span{gap:6px;font-size:9px;white-space:nowrap}.legend-float .legend-grid i,.legend-float .legend-missing i{width:10px;height:10px;border-radius:2px;flex:none}.legend-missing{padding-top:7px;border-top:1px solid var(--line)}.aqicn-link{display:inline-flex;align-items:center;gap:7px;margin-left:10px;padding:8px 12px;border:1px solid #173d2b;border-radius:9px;background:#173d2b;color:#fff;box-shadow:0 5px 14px #173d2b33;font:700 12px Public Sans,PingFang SC,sans-serif;text-decoration:none;vertical-align:middle;transition:.18s}.brand-mark{display:block;object-fit:cover}.aqicn-link:hover{background:#286247;transform:translateY(-1px);box-shadow:0 7px 18px #173d2b47}.aqicn-link:focus-visible{outline:3px solid rgba(0,167,120,.35);outline-offset:3px}.aqicn-link span{font-size:14px;line-height:1}.search-float select{border:0;outline:0;font-size:15px;background:transparent;flex:1;color:var(--ink);min-width:0}.hover-card{right:auto;bottom:auto;width:244px;min-height:0;padding:15px;transform:translate(-50%,calc(-100% - 16px));animation:cardInAtAnchor .16s ease-out}@keyframes cardInAtAnchor{0%{opacity:0;transform:translate(-50%,calc(-100% - 10px))}to{opacity:1;transform:translate(-50%,calc(-100% - 16px))}}.hover-card:after{content:"";position:absolute;left:50%;bottom:-7px;width:12px;height:12px;border-right:1px solid rgba(25,48,35,.1);border-bottom:1px solid rgba(25,48,35,.1);background:var(--paper);transform:translate(-50%) rotate(45deg)}.hover-card .card-top h2{font-size:22px}.hover-card .current-row{padding-top:10px}.hover-card .aqi-orb{width:46px;height:46px;border-radius:14px;font-size:20px}.trend-head{display:flex;justify-content:space-between;align-items:baseline;margin-top:12px}.trend-head b{font-size:10px;color:var(--ink)}.trend-head span{color:var(--muted);font-size:9px}.mini-bars{height:88px;gap:3px;padding:8px 2px 5px}.hover-card .metric-pair{display:none}.hover-card .open-detail{height:36px;margin-top:8px;font-size:10px}.map-status-float{position:absolute;top:26px;right:28px;z-index:4;width:244px;overflow:hidden;border:1px solid rgba(25,48,35,.1);border-radius:15px;background:var(--paper);box-shadow:0 16px 45px #21362a1c;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.local-data-row{position:relative;padding:12px 14px 12px 34px}.local-data-row i{position:absolute;top:16px;left:15px;width:8px;height:8px;border-radius:50%;background:#35a853}.local-data-row i.pulse{animation:pulse 1.1s infinite}.local-data-row span{display:block;font-size:12px;font-weight:700}.local-data-row small{display:block;margin-top:3px;color:var(--muted);font-size:9px}@media(max-width:800px){.map-status-float{top:14px;right:14px;width:232px}}.brand-float{height:72px;padding:10px 20px 10px 12px;gap:13px;border-radius:18px}.brand-mark{width:52px;height:52px;border-radius:15px;display:block;object-fit:contain;background:transparent}.quality-distribution{margin-top:18px;padding:13px 15px 12px;border:1px solid var(--line);border-radius:16px;background:#ffffff7a}.distribution-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin:0 2px 10px}.distribution-head>div{display:flex;align-items:baseline;gap:12px;min-width:0}.distribution-head b{font-family:"Noto Serif SC",PingFang SC,serif;font-size:13px}.distribution-head span,.distribution-head p{color:var(--muted);font-size:9px;white-space:nowrap}.distribution-head p{margin:0}.distribution-head p strong{color:var(--ink);font-size:15px;font-variant-numeric:tabular-nums}.distribution-bar{display:flex;width:100%;height:47px;overflow:hidden;border-radius:9px;background:#edf0ed;box-shadow:inset 0 0 0 1px #17231d0d}.distribution-segment{position:relative;flex-basis:0;min-width:0;display:flex;align-items:center;justify-content:center;transition:flex-grow .22s ease,filter .16s ease;font-variant-numeric:tabular-nums}.distribution-segment+.distribution-segment{box-shadow:-1px 0 #fff6}.distribution-segment:hover{filter:brightness(.94) saturate(1.08)}.distribution-segment strong{font-size:20px;line-height:1;text-shadow:0 1px 1px rgba(0,0,0,.08)}.distribution-segment span{display:none}.distribution-legend{display:flex;justify-content:center;flex-wrap:wrap;gap:5px 15px;margin:9px 2px 0}.distribution-legend span{display:inline-flex;align-items:center;gap:5px;color:var(--muted);font-size:9px}.distribution-legend i{width:7px;height:7px;border-radius:2px}.distribution-legend b{color:var(--ink);font-size:9px;font-variant-numeric:tabular-nums}@media(max-width:800px){.quality-distribution{padding:11px}.distribution-head>div{display:block}.distribution-head span{display:block;margin-top:3px}.distribution-bar{height:38px}.distribution-segment strong{font-size:16px}.distribution-legend{display:none}}.detail-head p a,.detail-foot a{color:#315c45;text-decoration-color:#9bb2a3;text-underline-offset:2px}.load-state{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:6;width:min(340px,calc(100% - 28px));padding:22px;border:1px solid var(--line);border-radius:18px;background:var(--paper);box-shadow:0 16px 45px #21362a1c;text-align:center}.load-state b{font-size:16px}.load-state p{font-size:12px;color:var(--muted);line-height:1.7}.load-state button{border:0;border-radius:10px;padding:10px 20px;background:#173d2b;color:#fff;cursor:pointer}@media(max-width:600px){.app-shell{height:100dvh;min-height:0}.brand-float{top:max(12px,env(safe-area-inset-top));left:12px;right:12px;height:64px;padding:8px 12px;gap:10px}.brand-mark{width:44px;height:44px}.brand-float b{font-size:18px}.brand-float small{font-size:10px}.map-status-float{top:calc(max(12px,env(safe-area-inset-top)) + 72px);left:12px;right:12px;width:auto;border-radius:12px}.local-data-row{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 12px 10px 28px}.local-data-row i{top:14px;left:12px;width:7px;height:7px}.local-data-row span{font-size:11px;white-space:nowrap}.local-data-row small{font-size:9px;margin:0;white-space:nowrap}.legend-float{left:12px;bottom:max(12px,env(safe-area-inset-bottom));width:220px;padding:12px}}