/* Wide classroom panels with larger text and bilingual labels. */
.weather-sun{position:absolute;top:8px;right:24%;width:44px;height:44px;border-radius:50%;background:radial-gradient(circle at 38% 32%,#fff9bd,#ffdf5c 62%,#ffbd35);box-shadow:0 0 18px 6px #ffeb9877,0 0 38px 12px #fff5c144;pointer-events:none;z-index:1}
.weather-sentence{display:inline-block;margin-left:.45em;color:#255a73}
.water-landscape{overflow-x:auto;margin:18px 18px 0;border:2px solid #c7e7eb;border-radius:18px;background:#e7f8ff}
.water-landscape-svg{display:block;width:100%;height:auto;min-width:500px;stroke:none}
.water-landscape-svg .cycle-map-label text{font:700 23px 'Segoe UI','Microsoft YaHei',sans-serif;fill:#245b73;paint-order:stroke;stroke:#f3fbff;stroke-width:5px;stroke-linejoin:round}
.cycle-process{opacity:.3;transition:opacity .4s}
.water-cycle[data-step="0"] .process-0,.water-cycle[data-step="1"] .process-1,.water-cycle[data-step="2"] .process-2,.water-cycle[data-step="3"] .process-3{opacity:1}
.water-cycle[data-step="0"] .vapor-rise{animation:cycle-vapor 2.2s ease-out infinite}
.water-cycle[data-step="1"] .forming-cloud{transform-origin:390px 110px;animation:cycle-condense 2.4s ease-in-out infinite}
.water-cycle[data-step="2"] .cycle-raindrop{animation:cycle-rain 1.1s linear infinite}
.water-cycle[data-step="3"] .collection-flow{animation:cycle-collect 1.7s linear infinite}
.water-cycle[data-step="3"] .lake-ripple{animation:cycle-ripple 1.7s ease-in-out infinite}
.interactive-dialog .cycle-selectors{padding:14px 18px;gap:8px;grid-template-columns:repeat(2,minmax(0,1fr))}
.interactive-dialog .cycle-selectors .cycle-node{display:flex;flex-direction:row;flex-wrap:wrap;justify-content:center;gap:5px;padding:9px;min-height:0;text-align:center}
.interactive-dialog .cycle-selectors .cycle-node>span,.interactive-dialog .cycle-selectors .cycle-node svg,.interactive-dialog .cycle-selectors .cycle-node:after{display:none}
.interactive-dialog .cycle-selectors .cycle-node strong{font-size:18px}.interactive-dialog .cycle-selectors .cycle-node small{font-size:17px}
@keyframes cycle-vapor{0%{transform:translateY(12px);opacity:0}25%{opacity:1}100%{transform:translateY(-23px);opacity:0}}
@keyframes cycle-condense{0%,100%{transform:scale(.94)}50%{transform:scale(1.035)}}
@keyframes cycle-rain{from{transform:translate(0,0);opacity:1}to{transform:translate(-12px,44px);opacity:0}}
@keyframes cycle-collect{to{stroke-dashoffset:-58}}
@keyframes cycle-ripple{50%{opacity:.3}}
@media(max-width:640px){.weather-sun{width:36px;height:36px;right:12%;top:18px}.water-landscape{margin:12px 12px 0}.water-landscape::after{content:'左右滑动查看完整水循环动画';display:block;position:sticky;left:0;padding:8px;font-size:15px;color:#416b81}.weather-sentence{margin-left:0;display:block}}
@media(prefers-reduced-motion:reduce){.water-cycle .vapor-rise,.water-cycle .forming-cloud,.water-cycle .cycle-raindrop,.water-cycle .collection-flow,.water-cycle .lake-ripple{animation:none}}
.interactive-dialog{width:min(1520px,calc(100vw - 40px));max-height:calc(100svh - 28px);padding:24px 30px;border-radius:24px}
.interactive-dialog .dialog-top{margin-bottom:12px}
.interactive-dialog .dialog-top .eyebrow{font-size:16px}
.interactive-dialog h2{font-size:38px;line-height:1.2;margin-bottom:8px}
.interactive-dialog .chinese-subtitle{font-size:24px;margin-bottom:20px}
.interactive-dialog .close-button{width:44px;height:44px}
.interactive-dialog .close-button svg{width:25px;height:25px}
.interactive-dialog .topic-label{font-size:18px;letter-spacing:.5px;margin:20px 0 12px}
.interactive-dialog .topic-grid{gap:14px}
.interactive-dialog .topic-button{min-height:72px;padding:13px 17px;font-size:23px;line-height:1.4}
.interactive-dialog .topic-button svg{width:28px;height:28px;flex-shrink:0}
.topic-translation{font-weight:700;color:#36596e}
.interactive-dialog .dialog-footer{margin-top:20px;padding-top:16px}
.interactive-dialog .dialog-footer button{font-size:20px}
.interactive-dialog #exhibit-position{font-size:16px}
.interactive-dialog .action-button{font-size:20px;padding:11px 17px;line-height:1.45}
.interactive-dialog .action-button svg{width:23px;height:23px}
.interactive-dialog .scene-chip{font-size:22px;padding:10px 17px}
.interactive-dialog .scene-caption{padding:22px 26px}
.interactive-dialog .scene-caption h3{font-size:32px}
.interactive-dialog .scene-caption p{font-size:23px;line-height:1.6}
.interactive-dialog .scene-caption>span{font-size:18px}
.interactive-dialog .weather-scene{height:clamp(270px,38vh,430px)}
.interactive-dialog[data-experience="2"] .city-scene{height:clamp(270px,38vh,430px)}
.interactive-dialog .city-nameplate strong{font-size:32px}
.interactive-dialog .city-nameplate span{font-size:20px}
.interactive-dialog .illustration-label{font-size:15px}
.interactive-dialog .broadcast-bar h3{font-size:34px}
.interactive-dialog .broadcast-bar p,.interactive-dialog[data-experience="2"] .presenter-note{font-size:20px}
.interactive-dialog .broadcast-bar .stage-label{font-size:16px}
.interactive-dialog .lab-controls{padding:24px}
.interactive-dialog .lab-controls label{font-size:22px;flex-wrap:wrap;gap:10px}
.interactive-dialog .lab-controls output{font-size:21px;font-weight:700}
.interactive-dialog .range-labels{font-size:18px;gap:12px;line-height:1.4}
.interactive-dialog .energy-meter{font-size:20px;flex-wrap:wrap;gap:10px}
.interactive-dialog .energy-meter meter{width:180px;height:20px}
.interactive-dialog .lab-status{font-size:22px;font-weight:700;line-height:1.5}
.interactive-dialog .lab-explanation{font-size:21px;line-height:1.65;margin-top:18px}
.sentence-translation{font-weight:700;color:#254f66}
.interactive-dialog .lab-controls small{font-size:17px;line-height:1.65}
.interactive-dialog .science-source{font-size:17px;padding:14px 24px}
.interactive-dialog .energy-diagram{height:auto;max-height:none;align-self:center}
.energy-visual{display:flex;align-items:center;min-width:0;overflow-x:auto}
.energy-visual .energy-diagram{flex-shrink:0}
.interactive-dialog .energy-diagram text{font-size:23px;font-weight:700}
.interactive-dialog .energy-diagram .diagram-translation{font-size:22px;fill:#31586a}
.interactive-dialog .energy-diagram .diagram-dc{font-size:14px}
.interactive-dialog .cycle-flow{padding:24px;gap:14px;grid-template-columns:repeat(2,minmax(0,1fr))}
.interactive-dialog .cycle-node{padding:16px 8px;gap:9px}
.interactive-dialog .cycle-node strong{font-size:21px}
.interactive-dialog .cycle-node small{font-size:20px}
.interactive-dialog .cycle-node>span{font-size:16px}
.interactive-dialog .cycle-node:nth-child(2):after{display:none}
.interactive-dialog #cycle-description{font-size:21px;line-height:1.65;min-height:0;padding:0 24px}
.interactive-dialog .hazard-prevention{padding:4px 26px 24px}
.interactive-dialog .hazard-prevention h4{font-size:25px;font-weight:800;margin-bottom:14px}
.interactive-dialog .hazard-prevention ul{gap:12px;padding-left:26px}
.interactive-dialog .hazard-prevention li{font-size:23px;line-height:1.65}
.interactive-dialog .hazard-prevention details{font-size:17px}
@media(min-width:1000px){
 .interactive-dialog .energy-workbench{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,1fr);align-items:stretch}
 .interactive-dialog .energy-workbench>.science-source{grid-column:1/-1}
 .interactive-dialog .energy-workbench>.lab-controls{border-left:2px solid #d2e7ec}
 .interactive-dialog .water-cycle{display:flex;flex-direction:column;justify-content:center}
 .interactive-dialog .cycle-node{display:grid;grid-template-columns:42px minmax(0,1fr);gap:6px 10px;padding:22px 16px 16px;text-align:left;min-height:110px}
 .interactive-dialog .cycle-node>span{position:absolute;top:4px;left:12px;font-size:13px}
 .interactive-dialog .cycle-node svg{grid-column:1;grid-row:1/3}
 .interactive-dialog .cycle-node strong,.interactive-dialog .cycle-node small{grid-column:2}
 .interactive-dialog[data-experience="3"] .experience-stage:not(.expanded-image){display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);grid-template-rows:auto 1fr}
 .interactive-dialog[data-experience="3"] .experience-stage:not(.expanded-image) .hazard-scene{grid-column:1;grid-row:1/3;height:100%;min-height:430px}
 .interactive-dialog[data-experience="3"] .experience-stage:not(.expanded-image) .scene-caption{grid-column:2;display:block;padding-bottom:15px}
 .interactive-dialog[data-experience="3"] .scene-caption .action-button{margin-top:14px}
 .interactive-dialog[data-experience="3"] .hazard-prevention{grid-column:2}
}
@media(max-width:999px){
 .interactive-dialog{width:calc(100vw - 24px);padding:22px}
 .interactive-dialog .topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .interactive-dialog .energy-diagram{max-height:360px}
 .interactive-dialog .hazard-scene{height:340px}
}
@media(max-width:640px){
 .interactive-dialog{padding:17px;width:calc(100vw - 16px);max-height:calc(100svh - 16px)}
 .interactive-dialog h2,.interactive-dialog[data-experience="3"] h2{font-size:28px;overflow-wrap:normal}
 .interactive-dialog .chinese-subtitle{font-size:21px}
 .interactive-dialog .topic-button{font-size:19px;padding:12px 9px;gap:7px;min-height:80px}
 .interactive-dialog .topic-button>span{min-width:0;overflow-wrap:anywhere}
 .topic-translation{display:block}
 .interactive-dialog .topic-button svg{width:21px;height:21px}
 .interactive-dialog .topic-label{font-size:16px}
 .interactive-dialog .scene-chip{font-size:18px;max-width:calc(100% - 24px);padding:9px 12px}
 .interactive-dialog .scene-caption{padding:18px;flex-wrap:wrap}
 .interactive-dialog .scene-caption h3{font-size:26px}
 .interactive-dialog .scene-caption p{font-size:20px}
 .interactive-dialog .scene-caption>span{font-size:17px;max-width:none}
 .interactive-dialog .weather-scene,.interactive-dialog .hazard-scene,.interactive-dialog[data-experience="2"] .city-scene{height:275px}
 .interactive-dialog .broadcast-bar h3{font-size:27px}
 .interactive-dialog .broadcast-bar p,.interactive-dialog[data-experience="2"] .presenter-note{font-size:18px}
 .interactive-dialog .action-button{font-size:18px;padding:10px 12px}
 .interactive-dialog .lab-controls{padding:18px}
 .energy-visual{display:block}
 .energy-visual .energy-diagram{min-width:600px}
 .energy-visual::after{content:'左右滑动查看完整图示';display:block;position:sticky;left:0;padding:8px 12px;font-size:16px;background:#e7f5fb;color:#416b81}
 .interactive-dialog .lab-controls label,.interactive-dialog .lab-controls output,.interactive-dialog .lab-status{font-size:20px}
 .interactive-dialog .lab-explanation,.interactive-dialog #cycle-description{font-size:19px}
 .interactive-dialog .range-labels{font-size:16px}
 .interactive-dialog .cycle-flow{padding:16px;gap:10px}
 .interactive-dialog .cycle-node strong{font-size:16px}
 .interactive-dialog .cycle-node small{font-size:18px}
 .interactive-dialog .hazard-prevention{padding:0 18px 20px}
 .interactive-dialog .hazard-prevention li{font-size:20px}
 .interactive-dialog .dialog-footer button{font-size:16px}
 .interactive-dialog #exhibit-position{font-size:13px;letter-spacing:0}
 .interactive-dialog .illustration-label{font-size:12px}
}