:root{--ink:#213b3a;--muted:#778885;--green:#168675;--line:#e3eae7;--bg:#f5f7f6;--white:#fff;--radius:12px}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-size:14px;line-height:1.55}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select{outline-offset:3px}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}sub{vertical-align:baseline;letter-spacing:0;font-size:.68em;line-height:0;position:relative;bottom:-.18em}.sidebar{border-right:1px solid var(--line);z-index:20;background:#fff;flex-direction:column;width:176px;padding:32px 18px;display:flex;position:fixed;inset:0 auto 0 0}.brand{letter-spacing:1px;align-items:center;gap:12px;padding:0 10px 30px;font-size:17px;font-weight:750;display:flex}.brand small{letter-spacing:1px;color:var(--muted);font-size:11px;font-weight:400;display:block}.brand-logo{object-fit:contain;flex-shrink:0;width:48px;height:48px}.nav-caption{letter-spacing:1.5px;color:#9ba7a2;padding:15px 16px;font-size:11px}.nav-link{color:#657672;border-radius:8px;align-items:center;gap:14px;margin:3px 0;padding:13px 16px;display:flex}.nav-link .nav-icon{flex:0 0 20px;width:20px;height:20px}.nav-link .nav-text{white-space:nowrap}.nav-link:hover{background:#f4f8f6}.nav-link.active{color:#168675;background:#eaf5ef;font-weight:650}.sidebar-bottom{color:#6c817a;margin-top:auto;padding:20px 12px 0;font-size:11px}.sidebar-bottom p{color:#97a59f;margin:10px 0 18px;line-height:1.9}.sidebar-bottom a{color:var(--green)}.status-dot,.freshness i{background:#61b78e;border-radius:50%;width:6px;height:6px;margin-right:7px;display:inline-block}.app-main{min-height:100vh;margin-left:176px}.topbar{border-bottom:1px solid var(--line);background:#ffffffda;justify-content:space-between;align-items:center;gap:20px;height:82px;padding:0 18px;display:flex}.topbar-label{font-size:13px;font-weight:550}.topbar small{color:var(--muted);letter-spacing:1px;font-size:10px;display:block}.account-controls{align-items:center;gap:12px;display:flex}.account-pill{align-items:center;gap:9px;display:flex}.account-pill small{color:var(--green)}.avatar{width:34px;height:34px;color:var(--green);background:#e5f2eb;border-radius:50%;justify-content:center;align-items:center;font-weight:650;display:inline-flex}.avatar.large{width:56px;height:56px;font-size:22px}main{max-width:none;margin:auto;padding:12px 18px 10px}.page-heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:25px;display:flex}.eyebrow{color:#7a9488;letter-spacing:2px;font-size:10px;font-weight:600}h1{letter-spacing:-.7px;margin:7px 0 8px;font-size:28px;font-weight:650;line-height:1.4}h2{margin:0;font-size:16px;font-weight:600}p{color:var(--muted);margin:8px 0}.page-heading p{font-size:13px}.page-heading.compact{align-items:baseline;gap:12px;margin-bottom:12px}.page-heading.compact h1{letter-spacing:0;margin:0;font-size:17px;font-weight:650;line-height:1.3}.page-heading.compact .page-hint{color:#8ba197;font-size:11px}.page-heading.compact .heading-action{margin-left:auto}.filter-actions{align-items:center;gap:12px;margin-left:auto;display:flex}.filter-actions .filter-hint{margin-left:0}.heading-action{align-items:center;gap:14px;display:flex}.freshness{color:#7e9188;white-space:nowrap;font-size:11px}.button{color:#526b61;white-space:nowrap;background:#fff;border:1px solid #dce5e0;border-radius:7px;justify-content:center;align-items:center;gap:7px;padding:10px 17px;font-size:12px;display:inline-flex}.button:hover{background:#f0f7f3}.button.primary{background:var(--green);border-color:var(--green);color:#fff}.button.primary:hover{background:#107766}.button.compact{padding:7px 12px}.button-group{gap:8px;display:flex}.filterbar{border:1px solid var(--line);border-radius:var(--radius);background:#fff;flex-wrap:wrap;align-items:center;gap:16px;margin-bottom:22px;padding:16px 20px;display:flex}.filterbar label{color:#93a29c;flex-direction:column;gap:4px;font-size:10px;display:flex}.filterbar select,.filterbar input{color:#39584a;background:#fff;border:0;min-width:105px;padding:4px 0;font-size:12px}.filterbar label+label{border-left:1px solid var(--line);padding-left:18px}.filter-hint{color:#8ba197;margin-left:auto;font-size:11px}.kpi-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin:22px 0;display:grid}.kpi{border:1px solid var(--line);border-radius:var(--radius);background:#fff;min-width:0;padding:22px 22px 20px}.kpi>span{color:#7c8f84;font-size:11px;display:block}.kpi strong{font-variant-numeric:tabular-nums;letter-spacing:-1.3px;margin:10px 0 6px;font-size:31px;font-weight:550;display:block}.kpi small{color:#9aa69e;font-size:10px}.panel{border:1px solid var(--line);border-radius:var(--radius);background:#fff;margin-bottom:24px;overflow:hidden}.panel-head{border-bottom:1px solid #edf1ee;justify-content:space-between;align-items:center;gap:14px;padding:19px 22px;display:flex}.panel-head h2{font-size:14px}.panel-head span{color:#95a499;font-size:10px}.panel-head div>span{margin-top:3px;display:block}.map-grid{grid-template-columns:minmax(0,1fr) 285px;gap:22px;display:grid}.map-panel{min-width:0;position:relative}.national-map{background:#eef3ec;width:100%;height:470px}.map-wrap{position:relative}.distribution-count{white-space:nowrap;color:var(--muted);font-size:12px}.map-field-canvas{pointer-events:none;visibility:hidden;position:absolute}.national-map canvas.map-interpolation-canvas{z-index:450;opacity:.48;filter:blur(.7px)}.national-map canvas.map-wind-canvas{z-index:500}.map-layer-status{z-index:750;color:#496357;pointer-events:none;background:#ffffffeb;border-radius:5px;max-width:calc(100% - 70px);padding:7px 10px;font-size:11px;position:absolute;top:12px;right:12px}.distribution-map .map-layer-status{max-width:calc(100% - 180px);right:114px}.map-air-popup{z-index:1100;width:302px;max-width:calc(100% - 16px);max-height:calc(100% - 16px);color:var(--ink);background:#fff;border:1px solid #e3ece8;border-radius:14px;padding:11px 13px 12px;font-size:12px;position:absolute;overflow:auto;box-shadow:0 16px 38px #12302926,0 2px 6px #12302914}.map-wind-source{z-index:650;color:#496357;pointer-events:none;background:#ffffffdf;border-radius:5px;padding:5px 8px;font-size:10px;position:absolute;top:12px;left:48px}.map-popup-head{background:#f5f8f7;border-bottom:1px solid #eaf0ee;border-radius:14px 14px 0 0;align-items:center;gap:6px;margin:-11px -13px 9px;padding:6px 9px 6px 13px;display:flex}.map-popup-head>span{color:#77897f;letter-spacing:.04em;font-size:11.5px}.map-popup-head>i{color:var(--green);background:#16867514;border-radius:4px;padding:0 5px;font-size:10px;font-style:normal}.map-popup-close{color:#93a29d;cursor:pointer;background:0 0;border:0;border-radius:50%;place-items:center;width:20px;height:20px;margin-left:auto;font-size:16px;line-height:1;display:grid}.map-popup-close:hover{color:var(--ink);background:#e6eeea}.map-popup-summary{grid-template-columns:repeat(12,minmax(0,1fr));gap:0 3px;display:grid}.map-popup-city{text-align:center;background:#f5f8f7;border-radius:6px;flex-direction:column;grid-area:1/1/3/7;justify-content:center;align-items:center;gap:2px;min-width:0;padding:4px 8px;display:flex}.map-popup-city strong{text-overflow:ellipsis;white-space:nowrap;font-size:14.5px;font-weight:650;overflow:hidden}.map-popup-city small{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;font-size:10px;overflow:hidden}.map-popup-index-head{border-radius:5px 5px 0 0;grid-row:1;justify-content:center;align-items:center;min-width:0;padding:2px 4px;font-size:10px;font-weight:600;display:flex}.map-popup-index-head.is-aqi,.map-popup-index-value.is-aqi{grid-column:7/10}.map-popup-index-head.is-composite,.map-popup-index-value.is-composite{grid-column:10/13}.map-popup-index-value{background:#eef3f1;border-radius:0 0 5px 5px;grid-row:2;justify-content:center;align-items:baseline;gap:3px;padding:2px 4px 3px;display:flex}.map-popup-index-value b{font-variant-numeric:tabular-nums;font-size:15px;font-weight:650}.map-popup-index-value em{color:#6f827d;white-space:nowrap;font-size:9px;font-style:normal}.map-popup-pollutants{grid-template-columns:repeat(12,minmax(0,1fr));gap:3px;margin-top:7px;display:grid}.map-popup-pollutant{flex-direction:column;grid-column:span 2;align-items:center;min-width:0;display:flex}.map-popup-pollutant span{text-align:center;border-radius:4px 4px 0 0;align-self:stretch;padding:1.5px 0;font-size:10px}.map-popup-pollutant b{font-variant-numeric:tabular-nums;text-align:center;background:#eef3f1;border-radius:0 0 4px 4px;align-self:stretch;padding:2px 0 0;font-size:12.5px;font-weight:650}.map-popup-pollutant small{color:#a8b4b1;white-space:nowrap;margin-top:1px;font-size:8px}.map-popup-meta{color:#6f827d;margin:8px 0 0;font-size:10px;line-height:1.6}.map-popup-link{color:#12685c;cursor:pointer;background:#eaf4f1;border:0;border-radius:9px;width:100%;margin-top:9px;padding:7px 10px;font-size:12px;font-weight:600}.map-popup-link:hover{background:#dcefe9}@media (max-width:760px){.distribution-map .map-view-title{max-width:calc(100% - 150px);padding:4px 8px;left:44px}.distribution-map .map-view-title h2{font-size:11.5px}}.map-note{color:#7f8e80;pointer-events:none;background:#ffffffed;border-radius:4px;padding:5px 9px;font-size:10px;position:absolute;bottom:24px;left:12px}.map-error{background:#fff;padding:12px;position:absolute;top:40%;left:10%;right:10%}.map-legend{z-index:655;color:#5d7169;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#ffffffd6;border:1px solid #e2ebe6;border-radius:7px;flex-wrap:wrap;align-items:center;gap:5px 13px;max-width:66%;padding:6px 11px;font-size:10px;display:flex;position:absolute;bottom:10px;right:10px;box-shadow:0 2px 10px #1f3e3114}.map-legend i{border-radius:2px;width:7px;height:7px;margin-right:5px;display:inline-block}.map-legend.flow{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffff80;border-bottom:0;border-right:0;border-radius:9px 0 0;align-items:center;gap:10px;width:300px;max-width:calc(100% - 120px);padding:6px 9px 5px;display:flex;bottom:0;right:0}.map-legend-head{flex-direction:column;flex:none;justify-content:space-between;align-items:baseline;gap:1px;margin-bottom:0;line-height:1.15;display:flex}.map-legend-head b{color:var(--ink);font-size:11px;font-weight:600}.map-legend-head span{color:#8d9c98;font-size:9.5px}.map-legend-scale{flex:1;min-width:0}.map-legend-bar{border-radius:4px;height:8px;box-shadow:inset 0 0 0 1px #00000012}.map-legend-ticks{height:12px;margin-top:2px;position:relative}.map-legend-ticks span{color:#7b8c88;font-variant-numeric:tabular-nums;white-space:nowrap;font-size:9px;position:absolute;top:0;transform:translate(-50%)}.map-legend-ticks span:first-child{transform:none}.map-legend-ticks span.is-last{transform:translate(-100%)}.map-layers{z-index:780;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#0a1c2670;border:1px solid #ffffff2e;border-radius:14px;width:90px;max-height:calc(100% - 12px);position:absolute;top:6px;right:0;overflow:hidden;box-shadow:0 10px 30px #06161f40}.map-layers-scroll{max-height:inherit;scrollbar-width:none;padding:5px 5px 6px;overflow-y:auto}.map-layers-scroll::-webkit-scrollbar{display:none}.map-layers-group{flex-direction:column;gap:1px;display:flex}.map-layers-title{color:#93b2be;letter-spacing:.04em;align-items:baseline;gap:3px;margin:1px 3px 2px;font-size:9.5px;font-weight:700;display:flex}.map-layers-title span{color:#6d8b98;letter-spacing:0;font-size:8.5px;font-weight:500}.map-layers-rule{background:#ffffff1f;height:1px;margin:4px 3px}.map-layers button{color:#c3d7de;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:7px;align-items:center;gap:5px;width:100%;padding:3px 4px;font-size:10px;display:flex}.map-layers button:hover{color:#fff;background:#ffffff17}.map-layers button.active{color:#fff;background:linear-gradient(135deg,#1a8f7c66,#1b6ea666);font-weight:600;box-shadow:inset 0 0 0 1px #7fe3cd40}.layer-symbol{flex:none;width:12px;height:12px;display:inline-flex}.layer-symbol svg{width:100%;height:100%}.map-layers-ratios button{gap:3px;font-size:9px}.layer-swatch{border-radius:3px;flex:none;width:12px;height:12px;box-shadow:inset 0 0 0 1px #ffffff2e}.swatch-wind{background:linear-gradient(135deg,#9fc9de,#5d8fb0)}.swatch-fill{background:linear-gradient(135deg,#cfe6c0,#7cae62)}.layer-label{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.map-layers-toggle{display:none}@media (max-width:900px){.map-layers-toggle{z-index:790;color:#e6f2f5;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);cursor:pointer;background:#0a1c26b8;border:1px solid #ffffff2e;border-radius:9px;align-items:center;gap:5px;height:28px;padding:0 9px;font-size:10.5px;display:flex;position:absolute;top:6px;right:6px;box-shadow:0 6px 18px #06161f4d}.map-layers-toggle span{color:#7fe3cd;font-size:13px;line-height:1}.map-layers{max-height:calc(100% - 46px);display:none;top:40px}.map-layers.mobile-open{display:block}.map-layers.mobile-open~.map-legend{display:none}.distribution-map .map-layer-status{max-width:calc(100% - 24px);top:42px;right:12px}.map-legend.flow{width:min(300px,100% - 16px);max-width:none}}.ranking-list{height:520px;padding:0 16px;overflow:auto}.rank-row{border-bottom:1px solid #f1f4f1;align-items:center;gap:12px;padding:13px 4px;font-size:12px;display:flex}.rank-row:hover{background:#f4f8f4}.rank-number{color:#a7b2a9;font-variant-numeric:tabular-nums;font-size:10px}.rank-row small{color:#9da99f;font-size:9px;display:block}.rank-row strong{font-variant-numeric:tabular-nums;margin-left:auto;font-size:18px;font-weight:550}.chart{height:360px;margin:15px 15px 0}.loading{color:#92a497;justify-content:center;align-items:center;min-height:180px;font-size:13px;display:flex}.table-scroll{max-height:460px;overflow:auto}table{border-collapse:collapse;text-align:left;white-space:nowrap;font-variant-numeric:tabular-nums;width:100%;font-size:11px}th{color:#82968a;z-index:1;background:#fafcf9;padding:12px 18px;font-size:10px;font-weight:500;position:sticky;top:0}th small{color:#a6b2a9;font-size:9px;display:block}td{color:#5e7567;border-bottom:1px solid #f0f3ee;padding:12px 18px}tbody tr:hover{background:#f8fbf7}.aqi-badge{border-radius:5px;padding:4px 8px;font-size:10px}.data-note{color:#95a397;padding:12px 20px;font-size:10px;line-height:1.8}.notice{color:#48715b;background:#edf7ef;border:1px solid #dbeade;border-radius:10px;justify-content:space-between;align-items:center;gap:16px;margin-bottom:22px;padding:16px 20px;font-size:12px;display:flex}.notice.error{color:#956343;background:#fff5ef;border-color:#f2ddce}.notice p{color:inherit;font-size:12px}.notice strong{font-weight:600}.error{color:#b75847}.compare-bar{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:22px;font-size:12px;display:flex}.compare-bar>span:first-child{color:#809687}.compare-bar select{color:#668472;background:#fff;border:1px dashed #c7d7cc;border-radius:7px;width:130px;padding:7px;font-size:11px}.chip{color:#4c7860;background:#e8f3ec;border-radius:6px;align-items:center;gap:12px;padding:6px 12px;font-size:11px;display:inline-flex}.chip button{color:#759680;background:0 0;border:0;padding:0}.structure-grid{grid-template-columns:repeat(4,1fr);gap:25px;padding:24px;display:grid}.structure-grid small{color:#8b9e90;display:block}.structure-grid strong{margin-top:10px;font-size:26px;font-weight:500;display:block}.plan-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin:28px 0;display:grid}.plan-card{border:1px solid var(--line);background:#fff;border-radius:12px;flex-direction:column;gap:9px;padding:25px 22px;display:flex}.plan-card.featured{border-color:#168675;box-shadow:0 8px 28px #1686750a}.plan-card h2{margin:8px 0;font-size:19px}.price{color:#264c3c;letter-spacing:-1.5px;font-size:38px;font-weight:600}.price small{color:#8b9f90;letter-spacing:0;font-size:11px;font-weight:400;display:block}.plan-card p{font-size:11px}.plan-card ul{color:#64816e;margin:8px 0 22px;padding-left:16px;font-size:11px;line-height:2.4}.plan-card .button:first-of-type{margin-top:auto}.prose{padding:18px 22px;font-size:12px}.prose p{margin:8px 0 16px;line-height:1.9}.qr-panel{text-align:center;padding:20px}.qr-panel a{display:block}.membership-banner{background:#ecf5ef;border:1px solid #dce9df;border-radius:12px;align-items:center;gap:18px;margin-bottom:24px;padding:25px;display:flex}.membership-banner .button{margin-left:auto}.empty-state{text-align:center;color:#95a398;padding:40px}.empty-state h2{margin:0 0 20px}.saved-list{padding:12px 22px}.saved-list a{border-bottom:1px solid var(--line);justify-content:space-between;padding:15px 0;display:flex}.saved-list small{color:#9aab9e}.admin-form{flex-wrap:wrap;align-items:end;gap:16px;padding:20px;display:flex}.admin-form label{flex-direction:column;gap:8px;display:flex}.admin-form input,.admin-form select{border:1px solid var(--line);border-radius:5px;padding:8px}.modal-backdrop{z-index:100;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#193c345e;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal{background:#fff;border-radius:16px;width:420px;max-height:90vh;padding:35px;position:relative;overflow:auto}.modal h2{margin:10px 0;font-size:25px}.modal p{font-size:11px}.modal form{flex-direction:column;gap:17px;margin-top:25px;display:flex}.modal label{color:#6d8575;flex-direction:column;gap:7px;font-size:12px;display:flex}.modal input{border:1px solid #dce7de;border-radius:6px;width:100%;padding:12px;font-size:12px}.close{color:#9dac9f;background:0 0;border:0;font-size:24px;position:absolute;top:13px;right:16px}.text-button{color:var(--green);background:0 0;border:0;padding:8px 0;font-size:11px}.modal>.text-button{margin-top:20px}.captcha-row{gap:12px;display:flex}.captcha-row input{width:120px}.captcha{background:0 0;border:0;padding:0}footer{color:#a0afa3;justify-content:space-between;gap:18px;padding:8px 18px;font-size:10px;display:flex}@media (min-width:1700px){.national-map{height:570px}.ranking-list{height:620px}}@media (max-width:1250px){.sidebar{width:168px;padding:26px 12px}.app-main{margin-left:168px}main{padding:12px 18px 10px}.topbar{padding:0 25px}.heading-action{flex-wrap:wrap;justify-content:flex-end}.map-grid{grid-template-columns:minmax(0,1fr) 240px}.kpi strong{font-size:26px}.plan-grid{grid-template-columns:repeat(2,1fr)}.map-legend{gap:10px}}@media (max-width:900px){.sidebar{width:160px}.app-main{margin-left:160px}.brand{padding:0 2px 20px;font-size:13px}.brand-logo{width:36px;height:36px}.brand small{font-size:9px}.nav-link{padding:12px 10px;font-size:12px}.map-grid{grid-template-columns:1fr}.ranking-panel{display:none}.kpi-grid{gap:10px}.kpi{padding:16px 14px}.kpi strong{font-size:24px}.page-heading{align-items:flex-start}.freshness{white-space:normal}h1{font-size:23px}.topbar-label{font-size:11px}}@media (max-width:640px){.sidebar{border-right:0;border-top:1px solid var(--line);background:#fffffff5;width:auto;height:65px;padding:4px 6px;display:block;inset:auto 0 0}.brand,.nav-caption,.sidebar-bottom{display:none}.sidebar nav{justify-content:space-around;display:flex}.nav-link{border-radius:6px;flex-direction:column;gap:2px;min-width:46px;margin:0;padding:4px 6px;font-size:9px;display:flex}.nav-link .nav-icon{flex:0 0 18px;width:18px;height:18px}.app-main{margin:0;padding-bottom:65px}.topbar{height:68px;padding:0 18px}.topbar-label{font-size:10px}.topbar small{font-size:9px}.account-controls>.text-button{display:none}main{padding:10px 12px}.page-heading{margin-bottom:20px;display:block}.page-heading h1{font-size:24px}.heading-action{justify-content:space-between;margin-top:14px}.eyebrow{font-size:9px}.filterbar{gap:12px;padding:12px}.filterbar label{flex:1;min-width:115px}.filterbar label+label{border:0;padding:0}.filterbar select{min-width:0;max-width:100%}.filter-hint{width:100%;margin:0;font-size:10px}.kpi-grid{grid-template-columns:repeat(2,1fr);gap:10px}.kpi strong{font-size:28px}.panel-head{flex-wrap:wrap;padding:15px}.national-map{height:390px}.map-legend{flex-wrap:wrap;gap:10px;padding:12px;font-size:9px}.chart{height:320px;margin:10px 0}.notice{flex-wrap:wrap;padding:15px}.plan-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.plan-card{gap:7px;padding:18px 13px}.plan-card h2{font-size:17px}.price{font-size:31px}.plan-card ul{padding-left:12px;font-size:10px;line-height:2.1}.plan-card .button{padding:9px 6px;font-size:11px}.structure-grid{grid-template-columns:repeat(2,1fr);padding:20px}.membership-banner{flex-wrap:wrap;gap:12px;padding:18px}.membership-banner .button{width:100%;margin:0}.modal{padding:28px 23px}.account-pill{font-size:11px}.saved-list a{flex-wrap:wrap}footer{padding:15px 17px;font-size:9px;display:block}footer span{margin-top:8px;display:block}td,th{padding:10px 13px}.freshness{font-size:10px}}.analysis-tabs{flex-wrap:wrap;gap:8px;margin:0 0 18px;display:flex}.analysis-tabs button{border:1px solid var(--line);color:#779084;background:#fff;border-radius:7px;padding:9px 16px;font-size:12px}.analysis-tabs button.active{border-color:var(--green);color:var(--green);background:#edf7f1}.cycle-counts{color:#92a59a;flex-wrap:wrap;gap:8px 15px;padding:15px 22px;font-size:10px;display:flex}.realtime-shell .topbar{flex-shrink:0;height:62px;padding:0 18px}.realtime-shell{flex-direction:column;height:100dvh;min-height:0;display:flex}.realtime-shell main{flex-direction:column;flex:1;width:100%;max-width:none;min-height:0;margin:0;padding:0;display:flex}.realtime-shell footer{flex-shrink:0;padding:5px 18px;font-size:10px}.realtime-topbar{flex:0 0 56px;gap:14px;height:56px;padding:0 18px}.realtime-topbar .realtime-title h1{font-size:16px}.realtime-topbar .city-trigger{min-width:148px;padding:6px 11px}.realtime-workspace{flex-direction:column;flex:1;gap:10px;width:100%;min-height:0;padding:12px 18px 10px;display:flex}.realtime-title{align-items:center;display:flex}.realtime-title h1{white-space:nowrap;margin:0;font-size:17px}.status-dot.busy{animation:1.1s ease-in-out infinite status-pulse}@keyframes status-pulse{0%,to{opacity:1;box-shadow:0 0 #61b78e55}50%{opacity:.4;box-shadow:0 0 0 4px #61b78e22}}.realtime-metric{white-space:nowrap;color:var(--muted);align-items:center;gap:7px;font-size:10px;display:flex}.realtime-metric select{border:1px solid var(--line);color:var(--ink);background:#fff;border-radius:6px;padding:5px 7px;font-size:11px}.realtime-grid{flex:1;grid-template-columns:minmax(530px,.95fr) minmax(0,1.25fr);gap:14px;min-height:0;display:grid}.realtime-left{flex-direction:column;gap:12px;min-height:0;display:flex}.city-summary{background:linear-gradient(120deg,#eff8f4,#fff 85%);border:1px solid #d9e8e2;border-radius:12px;flex-shrink:0;padding:14px 18px 10px;position:relative}.city-photo{object-fit:cover;object-position:center 52%;filter:saturate(1.06)contrast(1.04);z-index:0;border-radius:12px;width:100%;height:100%;position:absolute;inset:0}.city-summary:after{content:"";z-index:1;pointer-events:none;background:linear-gradient(#fbfdfc00 40%,#fbfdfc33 70%,#fbfdfcd9 100%),linear-gradient(100deg,#f3fbf7f2 0%,#f1f9f5d6 40%,#ffffff5c 74%,#ffffff14 100%);border-radius:12px;position:absolute;inset:0}.city-summary>:not(.city-photo){z-index:2;position:relative}.city-summary-top{justify-content:space-between;align-items:center;display:flex}.city-summary .eyebrow{margin:0 0 3px;font-size:9px}.city-summary h2{letter-spacing:1px;margin:0;font-size:29px}.city-summary h2 small{letter-spacing:0;color:var(--muted);margin-left:10px;font-size:11px;font-weight:400}.city-time{color:var(--muted);margin:3px 0 0;font-size:11px}.aqi-dial{--aqi-color:#39a775;flex-shrink:0;justify-content:center;align-items:center;width:118px;height:118px;display:flex;position:relative}.aqi-dial svg{width:100%;height:100%;display:block;overflow:visible}.aqi-dial .dial-progress{filter:drop-shadow(0 1px 3px #143a2f26);transition:stroke-dashoffset .95s cubic-bezier(.22,.8,.24,1)}.aqi-dial .dial-needle{transform-box:view-box;transform-origin:66px 66px;transition:transform .95s cubic-bezier(.22,.8,.24,1)}.aqi-dial-inner{pointer-events:none;flex-direction:column;justify-content:center;align-items:center;padding-bottom:12px;display:flex;position:absolute;inset:0}.aqi-dial-inner strong{color:var(--aqi-color);font-variant-numeric:tabular-nums;font-size:31px;line-height:1}.aqi-dial-inner span{color:var(--muted);white-space:nowrap;margin-top:3px;font-size:10px}.aqi-dial-scale{color:#a9b6b1;pointer-events:none;justify-content:space-between;font-size:8px;display:flex;position:absolute;bottom:7px;left:24px;right:24px}.aqi-dial-scale i{font-style:normal}.city-pollutants{grid-template-columns:repeat(6,1fr);gap:6px;margin:9px 0 8px;display:grid}.city-pollutant{border:1px solid color-mix(in srgb, var(--lv,var(--line)) 26%, #e4ece8);background:color-mix(in srgb, var(--lv,#fff) 8%, #ffffffd9);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);opacity:.85;border-radius:9px;flex-direction:column;align-items:center;gap:1px;padding:10px 4px 8px;display:flex;position:relative;overflow:hidden}.city-pollutant:before{content:"";background:var(--lv,var(--line));height:3px;position:absolute;inset:0 0 auto}.city-pollutant span,.city-pollutant small{color:var(--muted);white-space:nowrap;font-size:10px;display:block}.city-pollutant .pollutant-name{color:#2d5b4f;letter-spacing:.2px;font-size:10.5px;font-weight:600}.city-pollutant .pollutant-name sub{font-weight:600}.city-pollutant small{font-size:8.5px}.city-pollutant strong{font-variant-numeric:tabular-nums;color:color-mix(in srgb, var(--lv,var(--ink)) 72%, #0f2a22);font-size:19px;line-height:1.15}.city-summary-bottom{border-top:1px solid var(--line);color:var(--muted);justify-content:space-between;align-items:baseline;gap:8px;padding-top:8px;font-size:10px;display:flex}.city-summary-bottom b{color:var(--ink)}.city-summary-bottom a{color:var(--green);white-space:nowrap}.city-weather{flex-wrap:wrap;justify-content:center;gap:2px 9px;min-width:0;display:flex}.city-weather em{color:#2d5b4f;font-style:normal;font-weight:600}.city-weather i{white-space:nowrap;font-style:normal}.station-panel,.station-map-panel{border:1px solid var(--line);background:#fff;border-radius:12px;flex-direction:column;min-height:0;display:flex;overflow:hidden}.station-panel{flex:1}.station-panel-heading{border-bottom:1px solid var(--line);flex-shrink:0;justify-content:space-between;align-items:center;gap:10px;height:42px;padding:0 15px;display:flex}.station-panel-heading h2{margin:0;font-size:13px}.station-panel-heading h2 span{color:var(--green);background:#edf7f1;border-radius:5px;margin-left:5px;padding:2px 7px;font-size:10px}.station-panel-heading>span{color:var(--muted);font-size:10px}.station-table-tools{flex-shrink:0;align-items:center;gap:8px;padding:7px 12px;display:flex}.station-table-tools input,.station-table-tools select{border:1px solid var(--line);color:var(--ink);background:#fff;border-radius:5px;min-width:0;padding:5px 8px;font-size:10px}.station-table-tools input{width:145px}.station-table-tools span{color:var(--muted);margin-left:auto;font-size:10px}.station-table-scroll{flex:1;min-height:0;overflow:auto}.station-table{border-collapse:collapse;table-layout:auto;width:100%;font-size:11px}.station-table th{z-index:1;color:#6e8179;white-space:nowrap;background:#f1f6f3;padding:6px 4px;font-size:11px;position:sticky;top:0}.station-table th,.station-table td{text-align:center}.station-table td{font-variant-numeric:tabular-nums;white-space:nowrap;border-bottom:1px solid #f0f3f1;height:27px;padding:3px 4px}.station-table th:first-child,.station-table td:first-child{text-align:left;padding-left:11px}.station-table button{color:inherit;font-size:inherit;background:0 0;border:0;padding:0}.station-table .station-name{text-align:left;font-size:11px}.station-name sup{color:var(--green)}.station-name i{color:#b68c39;font-style:normal}.station-table tr:hover,.station-table tr.selected{background:#eaf5f0}.station-table tr.selected td:first-child{box-shadow:inset 3px 0 var(--green)}.station-quality{border-radius:3px;padding:2px 5px;font-size:10px}.station-table-foot{border-top:1px solid var(--line);color:var(--muted);flex-shrink:0;justify-content:space-between;gap:5px;padding:6px 12px;font-size:10px;display:flex}.station-empty{text-align:center;color:var(--muted);padding:35px 10px}.station-map-body{flex:1;min-height:0;position:relative}.station-map-wrap,.station-map{width:100%;height:100%;min-height:0;position:relative}.map-fit{border:1px solid var(--line);background:#fff;border-radius:5px;padding:7px 10px;font-size:10px;position:absolute;top:10px;right:10px;box-shadow:0 2px 8px #163b3314}.station-detail{background:#fffffffa;border-radius:10px;width:280px;padding:14px 18px;position:absolute;bottom:30px;left:16px;box-shadow:0 5px 25px #163b3325}.station-detail h3{margin:0;padding-right:15px;font-size:15px}.station-detail h3 span{color:var(--muted);margin-left:8px;font-size:10px;font-weight:400}.station-detail p{color:var(--muted);margin:3px 0 8px;font-size:10px}.station-detail>div strong{margin-right:8px;font-size:30px}.station-detail>div span{font-size:11px}.station-detail dl{grid-template-columns:repeat(3,1fr);gap:7px;margin:6px 0 0;font-size:11px;display:grid}.station-detail dt{color:var(--muted);font-size:9px}.station-detail dd{margin:0;font-weight:600}.detail-close{color:var(--muted);background:0 0;border:0;font-size:20px;position:absolute;top:8px;right:10px}.realtime-error{color:#b34a4a;background:#fff1f1;border:1px solid #ebcccc;border-radius:7px;flex-shrink:0;padding:7px 12px;font-size:12px}.realtime-error button{color:inherit;background:0 0;border:0;margin-left:10px;text-decoration:underline}.city-picker{z-index:1100;flex-shrink:0;position:relative}.city-picker-scrim{z-index:-1;touch-action:none;background:#0b201c59;display:none;position:fixed;inset:0}.city-trigger{color:var(--ink);background:#fff;border:1px solid #d7e5dd;border-radius:7px;align-items:center;gap:10px;min-width:162px;padding:8px 12px;display:flex}.city-trigger>span{color:var(--muted);font-size:10px}.city-trigger>span:last-child{margin-left:auto}.city-trigger .location-icon{color:var(--green);font-size:19px;line-height:1}.city-picker-panel{background:#fff;border:1px solid #dbe8df;border-radius:10px;width:460px;max-width:calc(100vw - 24px);padding:14px;position:absolute;top:calc(100% + 8px);left:0;box-shadow:0 12px 40px #163b3325}.city-search{align-items:center;gap:8px;display:flex}.city-search input{background:#f8faf9;border:1px solid #d9e4de;border-radius:6px;width:100%;padding:9px 12px;font-size:12px}.city-search>button{color:var(--muted);background:0 0;border:0;font-size:22px}.city-tabs{border-bottom:1px solid var(--line);gap:3px;padding:12px 0 8px;display:flex}.city-tabs button{color:#657b70;background:#f5f8f6;border:0;border-radius:4px;padding:6px 9px;font-size:11px}.city-tabs button[aria-pressed=true]{background:var(--green);color:#fff}.province-filter{color:var(--muted);align-items:center;gap:8px;margin:10px 0;font-size:10px;display:flex}.province-filter select{border:1px solid var(--line);border-radius:4px;padding:3px 6px;font-size:10px}.province-filter span{margin-left:auto}.city-options{grid-template-columns:repeat(5,1fr);gap:5px;max-height:min(320px,45vh);display:grid;overflow:auto}.city-options button{color:#425f52;background:#fff;border:0;border-radius:4px;padding:6px 2px;font-size:12px}.city-options button:hover,.city-options button[aria-pressed=true]{color:var(--green);background:#eaf5ee}.city-options p{text-align:center;grid-column:1/-1;font-size:12px}@media (max-width:1250px) and (min-width:761px){.realtime-title{display:none}.realtime-grid{grid-template-columns:minmax(500px,1.1fr) minmax(0,1fr)}.station-panel-heading>span{font-size:9px}}@media (min-width:761px) and (max-height:780px){.city-summary{padding:10px 14px 8px}.aqi-dial{width:96px;height:96px}.city-summary h2,.aqi-dial-inner strong{font-size:25px}.city-pollutants{margin:6px 0}.city-pollutants small{display:none}.station-table td{height:25px;padding-top:3px;padding-bottom:3px}}@media (max-width:760px){.realtime-shell{height:auto;min-height:100dvh}.realtime-shell main{padding:0}.realtime-topbar{flex-wrap:wrap;flex:none;gap:9px;height:auto;min-height:52px;padding:7px 12px}.realtime-workspace{padding:10px 12px}.realtime-title{display:none}.realtime-grid{grid-template-columns:1fr}.realtime-left{display:contents}.city-summary{grid-row:1}.station-map-panel{grid-row:2;height:440px}.station-panel{grid-row:3;max-height:420px}.city-picker-panel{width:min(460px,100vw - 24px);max-width:none;left:0}.city-tabs{flex-wrap:wrap}.city-options{grid-template-columns:repeat(4,1fr)}}@media (max-width:640px){.realtime-shell .topbar{padding:8px 14px}.city-picker-panel{width:auto;max-width:none;max-height:76dvh;padding:14px 16px calc(14px + env(safe-area-inset-bottom));border-radius:14px 14px 0 0;flex-direction:column;display:flex;position:fixed;inset:auto 0 0;box-shadow:0 -12px 40px #163b3333}.city-picker-scrim{display:block}.city-options{flex:1;grid-template-columns:repeat(4,1fr);min-height:140px;max-height:none}.city-summary-bottom{flex-wrap:wrap}.station-table{min-width:520px}.station-detail{width:250px}}@media (min-width:761px){.station-table td{height:26px;padding-top:2px;padding-bottom:2px}.station-table,.station-table th,.station-table .station-name{font-size:12px}.station-quality{font-size:10px}}@media (min-width:761px) and (max-width:1100px){.realtime-grid{grid-template-columns:minmax(320px,1.1fr) minmax(0,1fr)}.station-table{min-width:520px}.station-panel-heading>span{display:none}.city-summary-bottom{flex-wrap:wrap}.city-picker-panel{max-width:calc(100vw - 220px)}}.sidebar{padding:28px 12px}.brand{gap:8px;padding-left:6px;padding-right:0;font-size:14px}.nav-link{gap:10px;padding:11px 12px}.data-shell{flex-direction:column;height:100dvh;min-height:0;display:flex}.data-shell .topbar{flex:0 0 60px;height:60px;padding:0 18px}.data-shell main{flex:1;width:100%;min-height:0;padding:12px 18px 10px;overflow:hidden}.data-shell footer{flex:none;padding:8px 18px;font-size:10px}.history-data-page,.distribution-page{flex-direction:column;gap:12px;height:100%;min-height:0;display:flex}.compact-heading{justify-content:space-between;align-items:center;gap:10px;display:flex}.compact-heading h1{margin:0;font-size:23px}.compact-filters{flex-wrap:wrap;gap:14px;margin:0;padding:10px 14px}.compact-filters label{font-size:11px}.compact-filters input,.compact-filters select{min-height:34px}.distribution-filters{gap:12px;padding:6px 12px}.distribution-filters label{white-space:nowrap;flex-direction:row;align-items:center;gap:6px}.distribution-filters input,.distribution-filters select{min-height:30px}.compact-filters .city-picker-panel{z-index:40}.history-data-page .notice,.distribution-page .notice{flex-shrink:0;margin:0;padding:12px 16px}.history-access p{font-size:12px}.history-data-grid{flex:1;grid-template-columns:minmax(0,1fr) 290px;gap:14px;min-height:0;display:grid}.history-records{flex-direction:column;min-width:0;min-height:0;display:flex;overflow:hidden}.history-table-scroll{flex:1;min-height:0;overflow:auto}.history-table-scroll table{width:100%;min-width:690px;font-size:12px}.history-table-scroll th{z-index:1;white-space:nowrap;background:#f1f6f3;position:sticky;top:0}.history-table-scroll td{white-space:nowrap;height:34px;padding:5px 9px}.history-table-scroll .text-button{padding:0}.quality-tag{font-size:11px;font-weight:600}.history-empty{text-align:center;padding:55px 15px}.history-footnote{color:#81918a;border-top:1px solid var(--line);margin:0;padding:9px 12px;font-size:10px;line-height:1.5}.history-summary{flex-direction:column;gap:12px;min-height:0;display:flex;overflow:auto}.quality-bars{padding:12px}.quality-bars>div{align-items:center;gap:8px;margin:5px 0;font-size:11px;display:flex}.quality-bars span{width:56px}.quality-bars>div>div{background:#f0f3f1;border-radius:4px;flex:1;height:7px;overflow:hidden}.quality-bars i{height:100%;display:block}.quality-bars b{text-align:right;width:35px;font-weight:400}.month-links{grid-template-columns:repeat(4,1fr);gap:4px;padding:10px;display:grid}.month-links button{color:var(--green);background:#f4f8f5;border:0;border-radius:5px;padding:5px;font-size:12px}.month-links button.active{background:var(--green);color:#fff}.month-links p{grid-column:1/-1;font-size:11px}.history-chart{flex-direction:column;flex:1;min-height:210px;display:flex}.history-chart .chart{flex:1;height:180px;min-height:160px;padding:0}.history-chart select{border:1px solid var(--line);border-radius:5px;max-width:95px;font-size:11px}.resolution-switch{background:#eff4f0;border-radius:6px;gap:2px;padding:3px;display:flex}.resolution-switch button{color:var(--muted);background:0 0;border:0;border-radius:4px;padding:6px 9px}.resolution-switch button[aria-pressed=true]{color:var(--green);background:#fff}.distribution-grid{flex:1;grid-template-columns:150px minmax(0,1fr);gap:12px;min-height:0;display:grid}.distribution-times{flex-direction:column;min-height:0;display:flex}.distribution-times .panel-head{padding:12px}.distribution-times h2{font-size:13px}.playback{padding:8px}.playback button{width:100%;font-size:12px}.frame-list{flex:1;min-height:0;padding:0 6px 6px;overflow:auto}.frame-list button{color:#65786d;background:#fff;border:0;border-bottom:1px solid #eef3ef;width:100%;padding:8px 5px;font-size:11px;display:block}.frame-list button[aria-pressed=true]{color:var(--green);background:#e8f5eb;border-radius:5px;font-weight:600}.distribution-map{flex-direction:column;min-height:0;display:flex;position:relative;overflow:hidden}.distribution-map .map-canvas{flex:1;min-height:0;position:relative}.distribution-map .map-view-title{z-index:745;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);pointer-events:none;background:#ffffff9e;border:1px solid #e2ebe680;border-radius:8px;align-items:baseline;gap:10px;max-width:calc(100% - 180px);padding:5px 10px;display:flex;position:absolute;top:10px;left:50px;box-shadow:0 2px 10px #1f3e311a}.distribution-map .map-view-title h2{white-space:nowrap;text-overflow:ellipsis;font-size:13px;overflow:hidden}.distribution-map .map-view-title .distribution-count{flex:none;font-size:10.5px}.distribution-map .map-wrap{position:absolute;inset:0}.distribution-map .national-map{height:100%;min-height:0;position:absolute;inset:0}.distribution-map .map-note{display:none}.distribution-map .map-legend{padding:6px 9px;font-size:10px}.distribution-loading{background:#fff;border-radius:5px;padding:7px 12px;font-size:12px;position:absolute;top:12px;left:50%;transform:translate(-50%);box-shadow:0 1px 10px #0001}@media (max-width:1250px){.history-data-grid{grid-template-columns:minmax(0,1fr) 245px}.compact-filters{gap:8px}.distribution-grid{grid-template-columns:140px minmax(0,1fr)}}@media (max-width:760px){.data-shell{height:auto;min-height:100dvh}.data-shell main{padding:10px 12px;overflow:visible}.history-data-grid{grid-template-columns:1fr}.history-records{max-height:520px}.history-summary{grid-template-columns:1fr 1fr;display:grid;overflow:visible}.history-chart{grid-column:1/-1;min-height:260px}.distribution-grid{flex:auto;grid-template-columns:145px minmax(0,1fr);height:600px}.compact-heading h1{font-size:19px}.compact-heading .button{font-size:11px}.history-access{flex-wrap:wrap}}@media (max-width:480px){.history-summary{grid-template-columns:1fr}.distribution-grid{grid-template-columns:100px minmax(0,1fr)}.distribution-times .panel-head{flex-wrap:wrap;padding:8px}.frame-list button{font-size:10px}.playback button{padding:6px 1px;font-size:10px}.distribution-map .map-legend{flex-wrap:wrap;gap:5px}.distribution-map .map-note{display:none}}.distribution-map .map-error{z-index:650;color:#976323;background:#fff5e2;border-radius:6px;margin:0;padding:8px 12px;font-size:11px;position:absolute;top:10px;left:55px;right:12px}.station-map-wrap .map-error{z-index:650;color:#976323;background:#fff5e2;font-size:11px;inset:12px 100px auto 55px}.distribution-map .map-note{z-index:650;bottom:24px;left:auto;right:8px}.history-summary .panel,.history-data-grid>.panel,.distribution-grid>.panel{margin:0}.history-summary>.panel:not(.history-chart){flex-shrink:0}.history-summary .panel-head{padding:9px 12px}.history-summary .panel-head h2{font-size:12px}.history-summary .quality-bars{padding:5px 12px 7px}.history-summary .quality-bars>div{margin:2px 0;font-size:10px;line-height:14px}.history-summary .month-links{gap:3px;padding:6px 10px}.history-summary .month-links button{padding:3px;font-size:10px;line-height:14px}.history-summary .history-chart{min-height:165px}.history-summary .history-chart .chart{min-height:120px;padding:0}.history-summary{gap:10px}.station-map-wrap .map-fit{z-index:800}.station-map-panel .station-detail{z-index:750}.distribution-tabs{flex-wrap:wrap;gap:6px;display:flex}.distribution-tabs a,.distribution-tabs button{color:#52676c;cursor:pointer;background:#fff;border:1px solid #dbe5e4;border-radius:7px;padding:7px 12px;font-size:12px;text-decoration:none}.distribution-tabs .active{color:#147664;background:#e8f5f0;border-color:#8bc5b4}.province-toolbar{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.province-toolbar>.freshness{margin-left:auto}.province-layout{flex:1;grid-template-columns:minmax(0,1fr) 190px;gap:14px;min-height:0;display:grid}.province-canvas{background:#f7fafb;border:1px solid #e2eaeb;border-radius:12px;flex-direction:column;min-height:0;display:flex;position:relative;overflow:hidden}.province-map-wrap{flex:1;min-height:0;position:relative}.province-map{width:100%;height:100%}.province-legend{flex-wrap:wrap;justify-content:center;gap:12px;padding:8px;font-size:10px;display:flex}.province-legend i{border-radius:2px;width:12px;height:9px;margin-right:4px;display:inline-block}.province-map-heading{flex-wrap:wrap;align-items:center;gap:10px;min-width:0;display:flex}.province-gradient{width:min(440px,100%);padding:0 12px}.province-gradient-bar{border-radius:4px;height:8px}.province-gradient-ticks{height:20px;margin-top:4px;position:relative}.province-gradient-ticks span{white-space:nowrap;position:absolute;transform:translate(-50%)}.province-values{background:#fff;border:1px solid #e2eaeb;border-radius:12px;flex-direction:column;min-height:0;padding:12px;display:flex}.province-values h3{margin:0 0 10px;font-size:14px}.province-values h3 small{color:#6b7d84;margin-top:5px;font-size:10px;display:block}.province-values>div{min-height:0;overflow:auto}.province-row{background:#fff;border:0;border-bottom:1px solid #edf1f2;justify-content:space-between;width:100%;padding:9px 5px;font-size:12px;display:flex}button.province-row{cursor:pointer}button.province-row:hover{background:#eef6f4}.province-row span{text-align:left;min-width:0;display:block}.province-row span small{color:#7b8b91;margin-top:2px;font-size:10px;display:block}.province-note{color:#6d7f86;margin:0;font-size:10px;line-height:1.5}.province-canvas>.province-note{margin:0 12px 8px}.south-sea-inset{text-align:center;pointer-events:none;width:55px;position:absolute;bottom:12px;right:14px}.south-sea-inset svg{width:100%;height:80px;display:block}.south-sea-inset small{font-size:9px}.global-globe{background:#071326;border:0;border-radius:12px;flex:1;width:100%;min-height:0}@media (max-width:760px){.province-layout{grid-template-columns:minmax(0,1fr) 125px;gap:6px}.province-values{padding:7px}.province-toolbar{gap:5px}.distribution-tabs a,.distribution-tabs button{padding:6px 8px;font-size:11px}.province-legend{gap:5px}.compact-heading{flex-wrap:wrap}}.section-title{color:#243a3b;margin:0;font-size:21px;font-weight:650;line-height:1.2}.topbar-actions{align-items:center;gap:16px;margin-left:auto;display:flex}.sidebar-copyright{color:#859790;margin-bottom:14px;font-size:10px;display:block}.data-shell main{padding:12px 18px 10px}.global-shell main{padding:0}.global-shell .global-globe{border-radius:0}.province-layout{grid-template-columns:172px minmax(0,1fr) 180px}.province-breadcrumb{color:#476462;font-size:13px}@media (max-width:1000px){.province-layout{grid-template-columns:150px minmax(0,1fr) 140px;gap:8px}}@media (max-width:760px){.province-layout{grid-template-columns:120px minmax(0,1fr)}.province-values{display:none}.section-title{font-size:17px}.topbar-actions{gap:6px}.topbar-actions>a{font-size:10px}}.sidebar nav{min-height:0;overflow:auto}.sidebar-bottom{flex-shrink:0;padding-top:12px}.sidebar-bottom>a{margin-top:8px;display:block}.sidebar-copyright{white-space:nowrap;margin:12px 0 0}.sidebar{transition:width .16s}.app-main{transition:margin-left .16s}.nav-toggle{border:1px solid var(--line);color:#7d918a;z-index:2;background:#fff;border-radius:50%;justify-content:center;align-items:center;width:26px;height:26px;padding:0;display:flex;position:absolute;top:38px;right:-13px;box-shadow:0 2px 6px #163b331f}.nav-toggle:hover{color:var(--green);border-color:#cfe4da}.nav-toggle-icon{width:14px;height:14px}.app-frame.nav-collapsed .sidebar{width:72px;padding-left:8px;padding-right:8px}.app-frame.nav-collapsed .app-main{margin-left:72px}.app-frame.nav-collapsed .brand{justify-content:center;padding:0 0 24px}.app-frame.nav-collapsed .brand>span,.app-frame.nav-collapsed .nav-caption,.app-frame.nav-collapsed .nav-text,.app-frame.nav-collapsed .sidebar-bottom{display:none}.app-frame.nav-collapsed .nav-link{justify-content:center;gap:0;padding:12px 0}.topbar.realtime-topbar,.data-shell .topbar.realtime-topbar{flex:0 0 62px;gap:14px;height:62px;padding:0 18px}.topbar-slot{align-items:center;min-width:0;display:flex}@media (max-width:760px){.topbar.realtime-topbar,.data-shell .topbar.realtime-topbar{flex-wrap:wrap;flex:none;gap:9px;height:auto;min-height:52px;padding:7px 12px}}@media (max-width:640px){.nav-toggle{display:none}.app-frame.nav-collapsed .sidebar{width:auto;padding:4px 6px}.app-frame.nav-collapsed .app-main{margin:0;padding-bottom:65px}.app-frame.nav-collapsed .nav-link{gap:2px;padding:4px 6px}.app-frame.nav-collapsed .nav-text{display:block}.app-frame.nav-collapsed .nav-icon{flex:0 0 18px;width:18px;height:18px}.realtime-shell .topbar.realtime-topbar{padding:8px 14px}}@media (max-width:760px){main,.data-shell main{padding:10px 12px}.topbar,.data-shell .topbar,.topbar.realtime-topbar,.data-shell .topbar.realtime-topbar{padding:7px 12px}footer,.data-shell footer{padding:8px 12px}.realtime-shell footer{padding:5px 12px}}.metric-groups{flex-wrap:wrap;align-items:center;gap:8px 22px;margin:0 0 14px;display:flex}.metric-group{align-items:center;gap:8px;min-width:0;display:flex}.metric-group .group-label{color:#8d9c94;white-space:nowrap;border-left:1px solid var(--line);flex:none;padding-left:10px;font-size:11px}.segmented{border:1px solid var(--line);background:#fff;border-radius:8px;align-items:stretch;display:inline-flex;overflow:hidden}.segmented button{border:0;border-left:1px solid var(--line);color:#779084;white-space:nowrap;background:#fff;flex:none;padding:8px 13px;font-size:12px;line-height:1.2}.segmented button:first-child{border-left:0}.segmented button:hover{color:var(--green);background:#f4f9f7}.segmented button.active{color:var(--green);box-shadow:inset 0 0 0 1px var(--green);background:#edf7f1;font-weight:650}.segmented button sub{font-weight:inherit}.ratio-notes{border:1px solid var(--line);color:#5f7a71;background:#f8fbfa;border-radius:8px;margin:12px 2px 2px;padding:10px 12px;font-size:12px;line-height:1.7}.ratio-notes-head{align-items:baseline;gap:8px;margin-bottom:4px;display:flex}.ratio-notes-head strong{color:var(--green);font-size:13px}.ratio-notes-head span{color:#9aa9a1;font-size:11px}.ratio-notes p{margin:2px 0}.ratio-notes b{color:#41544b;font-weight:650}.ratio-notes small{color:#93a29b;margin-top:6px;font-size:11px;display:block}.range-inputs{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.range-inputs em{color:#9aa9a1;font-size:11px;font-style:normal}.filterbar .range-inputs input[type=datetime-local]{min-width:172px}.range-clear{color:var(--green);background:0 0;border:0;padding:4px 0;font-size:11px}@media (max-width:760px){.metric-groups{gap:8px}.metric-group{flex-wrap:wrap;flex:1 0 100%;gap:4px}.metric-group .group-label{flex:1 0 100%}.segmented{max-width:100%;overflow-x:auto}.segmented button{padding:7px 8px;font-size:11px}.filterbar .range-field{flex:1 0 100%}.filterbar .range-inputs input[type=datetime-local]{flex:128px;width:auto;min-width:0}}.chart-tools{color:#607078;flex-wrap:wrap;align-items:center;gap:8px;padding:12px 22px 0;font-size:12px;display:flex}.history-records table{width:max-content;min-width:100%}.history-records th,.history-records td{padding:7px 8px}.history-records th:not(:first-child){white-space:normal;max-width:88px}.history-records td:not(:first-child){min-width:48px}.history-records .aqi-badge{padding:2px 3px}.history-records .history-table-groups th{text-align:center;color:#168675;border-bottom:1px solid #dce8e2}.history-records tbody td:first-child{z-index:1;background:#fff;position:sticky;left:0}.correlation-controls{flex-wrap:wrap;gap:16px;padding:18px 22px 0;display:flex}.correlation-controls label{color:#607078;align-items:center;gap:8px;font-size:12px;display:flex}.correlation-controls select{background:#fff;border:1px solid #dce8e2;border-radius:6px;max-width:260px;padding:8px}.correlation-summary{color:#607078;flex-wrap:wrap;gap:16px;padding:14px 22px;font-size:12px;display:flex}.correlation-scatter{aspect-ratio:4;height:auto;min-height:180px}.correlation-visual{width:100%;margin:0 auto}.correlation-matrix{max-height:none;padding:0 14px;overflow-x:auto}.correlation-matrix caption{text-align:left;color:#607078;padding:10px 0;font-size:12px}.correlation-matrix table{table-layout:fixed;border-spacing:0;min-width:0}.correlation-matrix td{border:0;height:36px;padding:0}.correlation-matrix th{white-space:normal;text-align:center;overflow-wrap:anywhere;padding:4px 2px}.correlation-matrix tbody th{z-index:1;background:#f7faf8;position:sticky;left:0}.correlation-matrix button{box-sizing:border-box;color:#274740;cursor:pointer;border:1px solid #0000;border-radius:0;width:100%;height:36px;padding:2px;font-size:12px}.correlation-matrix button.is-selected{box-shadow:inset 0 0 0 2px}.correlation-legend{color:#425951;width:min(420px,100% - 44px);margin:18px auto 8px;font-size:11px}.correlation-legend-title,.correlation-legend-ticks{justify-content:space-between;gap:8px;display:flex}.correlation-legend-bar{border-radius:3px;height:14px;margin:6px 0}.history-ai-content{color:#36544e;padding:16px 22px;font-size:13px}.ai-answer{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.9}.history-correlations,.history-ai{margin-top:24px}.history-ai .button:disabled{opacity:.55;cursor:default}@media (max-width:640px){.correlation-controls select{max-width:210px}.correlation-scatter{min-height:160px}}.ai-answer h3{margin:22px 0 10px;font-size:15px}.ai-answer p{margin:8px 0}.correlation-fields{color:#607078;border:1px solid #e4ece7;flex-wrap:wrap;gap:6px 12px;margin:12px 14px 0;padding:8px;font-size:11px;display:flex}.correlation-fields label{align-items:center;gap:4px;display:flex}.correlation-fields input{accent-color:#168675}.ai-thinking{background:#f7faf8;border:1px solid #e4ece7;margin:8px 0;padding:8px 10px}.ai-thinking pre{white-space:pre-wrap;overflow-wrap:anywhere;height:4.5em;margin:4px 0 0;font-family:inherit;line-height:1.5;overflow-y:auto}.ai-mode{color:#607078;align-items:center;gap:6px;font-size:12px;display:flex}.ai-mode select{background:#fff;border:1px solid #dce8e2;border-radius:5px;padding:6px}@media (max-width:640px){.sidebar .nav-link,.app-frame.nav-collapsed .sidebar .nav-link{flex-direction:column;gap:3px;padding:5px 6px}.sidebar .nav-text,.app-frame.nav-collapsed .sidebar .nav-text{white-space:nowrap;font-size:10px;display:block}.sidebar .nav-icon{flex:0 0 18px;width:18px;height:18px}.correlation-controls{gap:8px;padding:10px 12px 0}.correlation-controls select{max-width:140px}.correlation-matrix{padding:0}.correlation-matrix tbody th{box-shadow:1px 0 #dce8e2}.correlation-scatter{aspect-ratio:1.6;min-height:200px}.correlation-fields{gap:6px 10px;margin:8px 12px}.history-ai .panel-head{flex-wrap:wrap;gap:10px}.history-ai .button-group{flex-wrap:wrap}.app-frame .sidebar{height:calc(72px + env(safe-area-inset-bottom,0px));padding:4px 6px calc(4px + env(safe-area-inset-bottom,0px))}.sidebar nav{justify-content:flex-start;width:100%;overflow-x:auto}.sidebar .nav-link{flex:none;min-width:52px}.app-main,.app-frame.nav-collapsed .app-main{padding-bottom:calc(80px + env(safe-area-inset-bottom,0px))}}.ai-mode-mobile{display:none}@media (max-width:640px){.ai-mode-desktop{display:none}.history-ai .ai-mode{gap:8px;font-size:14px}.ai-mode-mobile{gap:4px;display:flex}.ai-mode-mobile button{min-width:36px;min-height:36px;font:inherit;color:#36544e;background:#fff;border:1px solid #dce8e2;border-radius:5px;padding:5px 9px;font-size:14px}.ai-mode-mobile button[aria-pressed=true]{color:#126b5e;background:#e5f3ee;border-color:#168675}.ai-mode-mobile button:disabled{opacity:.55}.history-ai .button-group{justify-content:flex-start;gap:8px}.history-ai .button.compact{min-height:36px;font-size:14px}.app-frame .sidebar{height:calc(54px + env(safe-area-inset-bottom,0px));padding:2px 4px calc(2px + env(safe-area-inset-bottom,0px))}.sidebar .nav-link,.app-frame.nav-collapsed .sidebar .nav-link{gap:2px;padding:3px 5px}.app-main,.app-frame.nav-collapsed .app-main{padding-bottom:calc(58px + env(safe-area-inset-bottom,0px))}.app-main main,.app-main main.realtime-workspace{padding:6px 6px 4px}.history-ai .panel-head,.history-correlations .panel-head,.history-ai-content{padding:12px}.topbar{padding-left:8px;padding-right:8px}.history-ai .ai-mode>span{white-space:nowrap;font-size:14px}.history-correlations,.history-ai{margin-top:12px}.history-ai-content{font-size:14px}}.ai-answer{white-space:normal}.ai-answer h1,.ai-answer h2,.ai-answer h3,.ai-answer h4{margin:18px 0 8px;font-size:15px}.ai-answer ul,.ai-answer ol{padding-left:22px}.ai-answer pre{white-space:pre;background:#f5f8f6;padding:10px;overflow-x:auto}.ai-markdown-table{max-width:100%;margin:12px 0;overflow-x:auto}.ai-markdown-table table{border-collapse:collapse;width:100%;min-width:0;font-size:13px}.ai-markdown-table th,.ai-markdown-table td{white-space:normal;overflow-wrap:anywhere;border:1px solid #dce8e2;min-width:68px;padding:7px 9px}.ai-markdown-table th{background:#f1f7f4}@media (max-width:640px){.ai-mode-mobile{border:1px solid #cddfd7;border-radius:6px;gap:0;overflow:hidden}.ai-mode-mobile button{background:#fff;border:0;border-radius:0}.ai-mode-mobile button+button{border-left:1px solid #cddfd7}.ai-mode-mobile button[aria-pressed=true]{color:#fff;background:#168675}.app-main{--mobile-content-gutter:6px}.app-main main{padding:6px var(--mobile-content-gutter) 4px}.app-main.realtime-shell main{padding:0}.app-main .realtime-workspace{padding:6px var(--mobile-content-gutter) 4px}.app-main .topbar,.app-main .topbar.realtime-topbar,.app-main footer{padding-left:var(--mobile-content-gutter);padding-right:var(--mobile-content-gutter)}.app-frame .sidebar{height:auto;padding:0 4px}.sidebar .nav-link,.app-frame.nav-collapsed .sidebar .nav-link{padding-bottom:0}.sidebar nav{scrollbar-width:thin}.app-main,.app-frame.nav-collapsed .app-main{padding-bottom:52px}}.section-symbol{display:none}.global-shell{height:100dvh;min-height:0}.province-canvas>.panel-head{background:#fff;padding:12px 16px}.province-canvas>.panel-head h2{font-size:14px}@media (max-width:640px){.app-frame .sidebar{padding:4px}.sidebar .nav-link,.app-frame.nav-collapsed .sidebar .nav-link{gap:4px;padding:6px 5px}.sidebar nav{scrollbar-width:none}.sidebar nav::-webkit-scrollbar{display:none}.app-main,.app-frame.nav-collapsed .app-main{padding-bottom:var(--mobile-nav-height,58px)}.section-heading{align-items:center;gap:9px;min-width:0;display:flex}.section-heading .section-title{font-size:15px;line-height:1.3;display:block}.section-symbol{color:#168675;background:#eaf5ef;border-radius:9px;flex-shrink:0;place-items:center;width:30px;height:30px;display:grid}.section-symbol .nav-icon{width:19px;height:19px}.distribution-shell{height:calc(100dvh - var(--mobile-nav-height,58px));min-height:0;padding-bottom:0!important}.distribution-shell main{min-height:0;display:flex;overflow-y:auto}.distribution-shell .distribution-page{flex:1;gap:8px;min-width:0}.distribution-filters{flex-shrink:0;grid-template-columns:minmax(0,1fr) minmax(0,1fr) 82px;gap:7px;padding:10px;display:grid}.distribution-filters label{min-width:0}.distribution-filters input,.distribution-filters select{width:100%;min-width:0;padding:5px 2px;font-size:11px}.distribution-filters>.button{align-self:end;padding:8px 5px;font-size:12px}.distribution-filters .resolution-switch{justify-content:space-between;align-self:end}.distribution-filters .resolution-switch button{padding:6px 5px;font-size:12px}.distribution-filters .text-button{align-self:end;min-height:34px;font-size:11px}.distribution-grid,.province-layout{flex-direction:column;flex:1;gap:8px;height:auto;min-height:420px;display:flex}.distribution-map,.province-canvas{flex:1;order:0;min-height:310px}.distribution-map .panel-head,.province-canvas>.panel-head{gap:4px;padding:10px}.province-canvas>.panel-head h2{font-size:12px}.distribution-times{flex:0 0 108px;order:1;grid-template-rows:36px minmax(0,1fr);grid-template-columns:minmax(0,1fr) auto;display:grid;overflow:hidden}.distribution-times .panel-head{border-bottom:0;flex-wrap:nowrap;justify-content:flex-start;gap:10px;padding:7px 10px}.distribution-times .panel-head h2{font-size:12px}.distribution-times .playback{padding:4px 8px}.distribution-times .playback button{width:auto;padding:5px 10px;font-size:11px}.distribution-times .frame-list{scrollbar-width:thin;grid-column:1/-1;gap:5px;padding:0 7px 7px;display:flex;overflow:auto hidden}.distribution-times .frame-list button{border:1px solid #e8eeeb;border-radius:6px;flex:0 0 104px;width:104px;padding:8px;font-size:11px}.distribution-times .frame-list button[aria-pressed=true]{border-color:#97c8b6}.global-shell{height:calc(100dvh - var(--mobile-nav-height,58px));min-height:0;overflow:hidden;padding:0!important}.app-main.global-shell main{padding:0;display:flex;overflow:hidden}.global-shell .distribution-page{flex:1;gap:0;height:100%}.global-shell .global-globe{border-radius:0;height:100%;min-height:0;display:block}}.national-map canvas.map-interpolation-canvas.is-ratio{opacity:.76}.map-ratio-notes{z-index:744;color:#edf8f7;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);pointer-events:none;background:#102b379e;border:1px solid #ffffff50;border-radius:8px;width:max-content;max-width:calc(100% - 110px);padding:7px 10px;font-size:11px;position:absolute;top:48px;left:10px}.map-ratio-notes header{align-items:baseline;gap:6px;display:flex}.map-ratio-notes header b{flex:none}.map-ratio-notes small{color:#c5d8df;text-overflow:ellipsis;white-space:nowrap;font-size:9px;overflow:hidden}.map-ratio-notes dl{margin:4px 0 0}.map-ratio-notes dl>div{gap:6px;margin:2px 0;display:flex}.map-ratio-notes dt{color:#f9d984;flex:none;font-weight:600}.map-ratio-notes dd{white-space:nowrap;margin:0;line-height:1.45}.map-popup-ratio{color:#24403e;background:#edf4f3;border-radius:7px;margin-top:8px;padding:9px;font-size:11px}.map-popup-ratio header{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.map-popup-ratio header strong{margin-left:auto;font-size:16px}.map-popup-ratio header span{background:#d4e8e5;border-radius:4px;padding:2px 5px}.map-popup-ratio p{margin:6px 0;line-height:1.5}.map-popup-ratio small{color:#506866;margin-top:5px;font-size:10px;line-height:1.5;display:block}.map-ratio-concentrations{flex-wrap:wrap;gap:8px;display:flex}@media (max-width:760px){.map-ratio-notes{width:max-content;max-width:calc(100% - 30px);padding:7px 9px;font-size:10px;top:52px;left:10px}.map-ratio-notes small{font-size:9px}}.distribution-map .tdt-top.tdt-left{inset:auto 0 48px auto}.distribution-map .tdt-control-zoom{margin:0 10px 0 0}.distribution-map .map-view-title{left:10px}@media (min-width:901px){.sidebar .brand-logo{width:42px;height:42px}.sidebar .brand{gap:6px;padding-left:2px}}@media (max-width:760px){.map-ratio-notes dd{white-space:normal}}.map-time-mobile{display:none}@media (max-width:760px){.map-time-desktop{display:none}.map-time-mobile{display:inline}.map-title-scope{display:none}.distribution-map .map-view-title{gap:6px;max-width:calc(100% - 100px);padding:4px 7px}.distribution-map .map-view-title .distribution-count{font-size:9px}}@media (min-width:1251px){.realtime-grid{grid-template-columns:minmax(530px,.82fr) minmax(0,1.38fr)}}.station-map-panel{background:#edf3ed;position:relative}.station-map-heading{z-index:800;pointer-events:none;justify-content:space-between;align-items:flex-start;gap:10px;padding:12px;display:flex;position:absolute;inset:0 0 auto}.station-map-heading h2{color:#173b34;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffff9e;border:1px solid #e2ebe680;border-radius:8px;margin:0;padding:5px 10px;font-size:13px;line-height:1.5;box-shadow:0 2px 10px #1f3e311a}.station-map-heading .realtime-metric{pointer-events:auto;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffffe0;border:1px solid #ffffffa6;border-radius:8px;padding:5px 7px;box-shadow:0 2px 10px #163b3314}.station-map-heading .realtime-metric select{background:0 0;border:0;padding:2px 3px}.station-map-wrap .map-fit{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffffe0;border-color:#ffffffa6;border-radius:8px;top:62px;right:12px}.station-map-panel .map-legend.flow,.distribution-map .map-legend.flow{padding:6px 9px}.station-map .tdt-top.tdt-left,.distribution-map .tdt-top.tdt-left{inset:auto 0 48px auto}.station-map .tdt-control-zoom,.distribution-map .tdt-control-zoom{box-shadow:none;background:0 0;border:0;border-radius:0;flex-direction:column;gap:6px;margin:0 10px 0 0;display:flex}.station-map .tdt-control-zoom a[class],.distribution-map .tdt-control-zoom a[class]{color:#fff;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#29485eb8;border:1px solid #ffffff2e;border-radius:9px;justify-content:center;align-items:center;width:32px;height:32px;padding:0;font-family:Arial,sans-serif;font-size:0;font-weight:400;line-height:1;text-decoration:none;display:flex;box-shadow:0 2px 8px #163b3326}.station-map .tdt-control-zoom a:before,.distribution-map .tdt-control-zoom a:before{content:"";background:linear-gradient(currentColor,currentColor) 50%/12px 2px no-repeat;width:12px;height:12px}.station-map .tdt-control-zoom a.tdt-control-zoom-in:before,.distribution-map .tdt-control-zoom a.tdt-control-zoom-in:before{background:linear-gradient(currentColor,currentColor) 50%/12px 2px no-repeat,linear-gradient(currentColor,currentColor) 50%/2px 12px no-repeat}.station-map .tdt-control-zoom a:hover,.distribution-map .tdt-control-zoom a:hover{background:#365c74d6}.station-map .tdt-control-zoom a:focus-visible,.distribution-map .tdt-control-zoom a:focus-visible{outline-offset:2px;outline:2px solid #fff}.station-map .tdt-control-zoom a.tdt-disabled,.distribution-map .tdt-control-zoom a.tdt-disabled{color:#ffffff70;cursor:default;background:#29485e8f}@media (max-width:640px){.station-map-heading{gap:5px;padding:10px}.station-map-heading h2{font-size:12px}.station-map-heading .realtime-metric{gap:3px;font-size:9px}}