:root { --ink:#142126; --muted:#64757a; --line:#d9e0dd; --paper:#f5f7f5; --panel:#fff; --mint:#c9efdc; --green:#15765d; --coral:#ff775b; --yellow:#f7dc70; }
.combined-trend-canvas-wrap{position:relative;overflow:visible}.curve-label-overlay{position:absolute;z-index:2;top:0;left:calc(-1 * var(--curve-label-rail-width, 128px));width:calc(100% + var(--curve-label-rail-width, 128px));height:100%;overflow:visible;pointer-events:none}
.combined-trend-toggle{display:flex;align-items:center;gap:7px;min-width:0;margin:0;color:#506367;font-size:13px;font-weight:700;cursor:pointer}.combined-trend-toggle span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.combined-trend-toggle .trend-visibility-toggle{appearance:auto;width:15px;height:15px;margin:0;padding:0;flex:0 0 auto;accent-color:#15765d;cursor:pointer}.combined-trend-toggle .trend-visibility-toggle:focus-visible{outline:2px solid rgba(22,119,255,.55);outline-offset:2px}.combined-trend-toggle:has(.trend-visibility-toggle:not(:checked)){color:#829095}.combined-trend-toggle:has(.trend-visibility-toggle:not(:checked)) .trend-swatch{opacity:.35}
.combined-trend-section{padding-bottom:4px}.combined-trend-legend{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px 20px;margin:0 0 12px}.combined-trend-legend p{display:flex;align-items:center;gap:7px;min-width:0;margin:0;color:#506367;font-size:13px;font-weight:700}.combined-trend-legend p span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.combined-trend-legend strong{margin-left:auto;color:var(--ink);font-size:14px;white-space:nowrap}.combined-trend-legend .trend-swatch{flex:0 0 auto;width:9px;height:9px}.combined-trend-legend .trend-swatch.temperature{background:#f05d5e}.combined-trend-legend .trend-swatch.humidity{background:#1677ff}.combined-trend-legend .trend-swatch.outdoor{background:#5e7490}.combined-trend-legend .trend-swatch.heating-water{background:#c27a00}.combined-trend-canvas-wrap{height:460px;border:0;background:#fff}.combined-trend-canvas-wrap canvas{display:block;width:100%;height:100%}.combined-trend-axis-note{margin:8px 0 0;color:var(--muted);font-size:11px;text-align:right}@media(max-width:820px){.combined-trend-legend{grid-template-columns:1fr}.combined-trend-canvas-wrap{height:500px}.combined-trend-axis-note{text-align:left;line-height:1.5}}
* { box-sizing:border-box; }
body { margin:0; color:var(--ink); background:var(--paper); font-family:Inter,"Microsoft YaHei",Arial,sans-serif; font-size:15px; line-height:1.5; }
.topbar { height:68px; padding:0 max(24px,calc((100vw - 1280px)/2)); display:flex; align-items:center; justify-content:space-between; background:#fff; border-bottom:1px solid var(--line); }
.brand { display:flex; align-items:center; gap:12px; text-decoration:none; color:#465066; }.brand-logo-frame{position:relative;display:block;width:76px;height:58px;overflow:hidden;flex:0 0 auto;}.brand-logo{position:absolute;top:-5px;left:-7px;display:block;width:90px;height:90px;max-width:none;}.brand-name{font-size:18px;font-weight:750;line-height:1;white-space:nowrap;}.official-site-link{display:inline-flex;align-items:center;justify-content:center;min-height:34px;padding:0 15px;border:1px solid #15765d;border-radius:4px;background:#15765d;color:#fff;text-decoration:none;font-size:14px;font-weight:750;line-height:1;white-space:nowrap;}.official-site-link:hover{background:#0f654f;border-color:#0f654f;}.official-site-link:focus-visible{outline:3px solid rgba(22,119,255,.35);outline-offset:2px;}
.shell { width:min(1280px,calc(100% - 48px)); margin:auto; }.intro { min-height:212px; display:flex; overflow:hidden; align-items:center; justify-content:space-between; padding:38px 38px 28px; background:#1677ff; border-bottom:3px solid #0b3a82; }.eyebrow{ margin:0 0 8px; color:var(--green); font-size:11px; font-weight:800; letter-spacing:0; }.intro h1{margin:0;color:#fff;font-size:32px;line-height:1.25;letter-spacing:0;}.intro-title span{display:block;}.intro p:not(.eyebrow){margin:12px 0 0;color:#36534b;}.intro .hero-device-photo{width:220px;height:124px;object-fit:cover;object-position:center;align-self:center;border:1px solid rgba(255,255,255,.62);box-shadow:0 8px 18px rgba(8,47,109,.28);}
.workspace { display:grid; grid-template-columns:minmax(500px,1.2fr) minmax(340px,.8fr); gap:22px; padding:24px 0 48px; align-items:start; }.input-panel,.result-panel{background:var(--panel);border:1px solid var(--line);border-radius:7px;}.input-panel{padding:28px;}.panel-heading{display:flex;align-items:start;justify-content:space-between;margin-bottom:24px;}.panel-heading h2,.result-panel h2{margin:0;font-size:21px;line-height:1.2;}.required-note{font-size:12px;color:var(--muted);}fieldset{border:0;border-top:1px solid var(--line);margin:0;padding:19px 0 20px;}legend{padding:0 12px 0 0;font-size:13px;font-weight:700;}.environment-settings legend{font-size:14px;}.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 14px;}label{display:block;color:#4e6265;font-size:14px;font-weight:650;}input,select{width:100%;height:40px;margin-top:6px;border:1px solid #bdcac5;border-radius:4px;background:#fff;color:var(--ink);padding:0 10px;font:inherit;font-size:16px;outline:none;}input:focus,select:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(21,118,93,.12);}.input-wrap{display:block;position:relative;}.input-wrap input{padding-right:36px;}.input-wrap em{position:absolute;right:10px;bottom:10px;font-style:normal;color:var(--muted);font-size:13px;}.status-row{display:flex;gap:20px;align-items:end;flex-wrap:wrap;}.status-row>label:first-child{min-width:180px;}.toggle{display:flex;gap:8px;align-items:center;padding-bottom:9px;cursor:pointer;}.toggle input{position:absolute;opacity:0;width:1px;}.toggle span{width:32px;height:18px;background:#c6d0cd;border-radius:10px;position:relative;transition:.2s;}.toggle span:after{content:"";width:14px;height:14px;position:absolute;left:2px;top:2px;background:#fff;border-radius:50%;transition:.2s;}.toggle input:checked+span{background:var(--green);}.toggle input:checked+span:after{left:16px;}.calculate-button{width:100%;display:flex;justify-content:space-between;align-items:center;border:0;border-radius:5px;background:var(--ink);padding:15px 17px;color:#fff;font:700 15px inherit;cursor:pointer;}.calculate-button:hover{background:var(--green);}.calculate-button:disabled{opacity:.6;cursor:wait;}.calculate-button b{font-size:21px;line-height:12px;}.form-error{min-height:20px;margin:0 0 10px;color:#bd3828;font-size:13px;}
.result-panel{position:sticky;top:18px;min-height:480px;padding:27px;}.result-empty{padding-top:10px;}.result-empty p:not(.eyebrow){color:var(--muted);max-width:270px;}.result-head{display:flex;justify-content:space-between;align-items:start;border-bottom:1px solid var(--line);padding-bottom:20px;}.pill{border-radius:3px;background:#e4f7ed;color:var(--green);padding:4px 7px;font-size:11px;font-weight:800;}.metric{padding:19px 0;border-bottom:1px solid var(--line);}.metric-label{margin:0;color:var(--muted);font-size:12px;font-weight:700;}.metric-value{margin:5px 0 0;font-size:35px;font-weight:750;line-height:1.1;letter-spacing:0;}.metric-value small{font-size:13px;color:var(--muted);font-weight:600;}.metric-desc{margin:8px 0 0;color:var(--muted);font-size:12px;}.formula-box{margin-top:18px;padding:15px;border-left:3px solid var(--yellow);background:#f8faf8;}.formula-box p{margin:0 0 7px;font-size:12px;font-weight:750;}.formula-box code{font-family:ui-monospace,Consolas,monospace;font-size:12px;white-space:normal;color:#30443f;}.warnings{margin:18px 0 0;padding:0;list-style:none;}.warnings li{margin-top:8px;padding-left:14px;position:relative;color:#82502c;font-size:12px;}.warnings li:before{content:"";position:absolute;left:0;top:7px;width:5px;height:5px;background:var(--coral);border-radius:50%;}.ai-block{margin-top:20px;padding-top:18px;border-top:1px solid var(--line);}.ai-block h3{margin:0 0 8px;font-size:14px;}.ai-block p{white-space:pre-wrap;margin:0;color:#415558;font-size:13px;}.muted{color:var(--muted);font-size:12px;}.heating-trend{padding:18px 0;border-bottom:1px solid var(--line);}.heating-trend-header{display:flex;align-items:end;justify-content:space-between;gap:14px;margin-bottom:10px;}.heating-trend-header h3{margin:0;font-size:15px;line-height:1.2;}.heating-trend-header strong{font-size:18px;line-height:1;color:var(--green);white-space:nowrap;}.heating-trend-canvas-wrap{height:150px;border-top:1px solid #e5ebe7;background:#fbfcfb;}.heating-trend-canvas-wrap canvas{display:block;width:100%;height:100%;}.heating-trend-note,.heating-water-trend-note{margin:7px 0 0;color:var(--muted);font-size:11px;text-align:right;}.heating-saving-copy{display:flex;align-items:center;gap:8px;margin:14px 0 0;padding:9px 10px;border-left:3px solid var(--green);background:#edf8f2;color:#17664f;font-size:13px;font-weight:700;line-height:1.45;}.heating-saving-copy span{flex:0 0 auto;padding:2px 5px;background:#d6f0e1;color:var(--green);font-size:10px;font-weight:800;}.trend-section{margin-top:24px;padding-top:22px;border-top:1px solid var(--line);}.trend-heading{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px;}.trend-heading h3,.heating-water-history legend{margin:0;color:var(--ink);font-size:16px;font-weight:700;line-height:1.2;}.trend-heading span{color:var(--muted);font-size:11px;white-space:nowrap;}.trend-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}.trend-chart{min-width:0;}.trend-chart.outdoor{grid-column:1/-1;}.trend-chart-header{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:9px;}.trend-chart-header p{display:flex;align-items:center;gap:7px;margin:0;color:#506367;font-size:12px;font-weight:700;}.trend-chart-header strong{font-size:14px;color:var(--ink);}.trend-swatch{display:inline-block;width:8px;height:8px;border-radius:50%;}.trend-swatch.temperature{background:var(--coral);}.trend-swatch.humidity{background:#2d8fb3;}.trend-swatch.outdoor{background:#5e7490;}.trend-swatch.heating-water{background:#ba7911;}.trend-canvas-wrap{height:174px;border-top:1px solid #e5ebe7;background:#fbfcfb;}.trend-canvas-wrap canvas{display:block;width:100%;height:100%;}
.prediction-section{padding:20px 0;border-bottom:1px solid var(--line);}.prediction-section h3{margin:0;color:var(--ink);font-size:16px;line-height:1.2;}.prediction-canvas-wrap{height:150px;margin-top:14px;border-top:1px solid #e0e9fb;background:#fbfcff;}.prediction-canvas-wrap canvas{display:block;width:100%;height:100%;}.prediction-actions{display:grid;gap:7px;margin:13px 0 0;padding:0;list-style:none;}.prediction-actions li{color:#56677e;font-size:13px;line-height:1.45;}.prediction-actions time{display:inline-block;min-width:43px;margin-right:5px;color:#1f3150;font-weight:800;}.prediction-heading{display:flex;align-items:start;justify-content:space-between;gap:14px;}.prediction-heading p{margin:0 0 5px;color:#718286;font-size:11px;font-weight:800;}.prediction-heading span{flex:0 0 auto;border-radius:4px;background:#e4f7ed;color:var(--green);padding:4px 7px;font-size:11px;font-weight:800;}.weather-prediction-copy{margin:14px 0 0;color:#56677e;font-size:14px;line-height:1.65;}.water-forecast-bars{display:flex;align-items:end;gap:10px;height:76px;margin-top:15px;padding:0 8px;}.water-forecast-bars span{display:block;flex:1;height:var(--forecast-bar-height);min-height:24px;border-radius:8px 8px 2px 2px;background:#4f7cff;box-shadow:inset 0 -10px 16px rgba(14,77,187,.14);}.dispatch-button{min-width:88px;border:1px solid #c9352b;border-radius:4px;background:#d94135;color:#fff;padding:8px 11px;font:800 13px Inter,"Microsoft YaHei",Arial,sans-serif;white-space:nowrap;cursor:pointer;}.dispatch-button:hover{background:#bb3027;}.dispatch-button:focus-visible,.dialog-close:focus-visible,.dialog-confirm:focus-visible{outline:3px solid rgba(22,119,255,.35);outline-offset:2px;}.control-dialog{width:min(360px,calc(100% - 36px));border:1px solid #d9e0dd;border-radius:7px;padding:22px;color:var(--ink);box-shadow:0 18px 48px rgba(20,33,38,.24);}.control-dialog::backdrop{background:rgba(20,33,38,.42);}.control-dialog-header{display:flex;align-items:center;justify-content:space-between;gap:16px;}.control-dialog h2{margin:0;font-size:20px;line-height:1.2;}.control-dialog p{margin:18px 0 22px;color:#506367;font-size:14px;}.control-dialog p strong{color:#d94135;font-size:17px;}.dialog-close{display:grid;place-items:center;width:30px;height:30px;border:0;border-radius:4px;background:transparent;color:#506367;font:400 25px/1 Arial,sans-serif;cursor:pointer;}.dialog-close:hover{background:#f0f3f1;color:var(--ink);}.control-dialog form{margin:0;display:flex;justify-content:flex-end;}.dialog-confirm{border:0;border-radius:4px;background:var(--ink);color:#fff;padding:9px 18px;font:800 13px Inter,"Microsoft YaHei",Arial,sans-serif;cursor:pointer;}.dialog-confirm:hover{background:var(--green);}footer{padding:20px 24px;border-top:1px solid var(--line);color:var(--muted);text-align:center;font-size:12px;}@media(max-width:820px){.shell{width:min(100% - 28px,640px)}.topbar{padding:0 14px}.intro{padding:28px 22px 20px;min-height:190px}.intro h1{font-size:28px}.intro .hero-device-photo{width:115px;height:72px}.workspace{grid-template-columns:1fr;padding-top:14px}.result-panel{position:static;min-height:auto}.input-panel,.result-panel{padding:20px}.field-grid,.trend-grid{grid-template-columns:1fr}.trend-canvas-wrap{height:160px}.status-row{display:block}.status-row>label{margin-top:12px}.status-row>label:first-child{min-width:0}.toggle{padding-bottom:0}.metric-value{font-size:32px}}