@import "./theme.css";

:root{--radius:14px;font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;color:var(--ink);background:var(--wash);accent-color:var(--green);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;font-size:15px;line-height:1.8}a{color:var(--green);text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,summary:focus-visible{outline:3px solid var(--green-accent);outline-offset:5px}img{display:block;max-width:100%;height:auto}p{margin:0 0 16px}h1,h2,h3{line-height:1.4;margin:0 0 16px}h2{font-size:27px}h3{font-size:18px}code{overflow-wrap:anywhere;font-size:.92em}section{scroll-margin-top:24px}.skip-link{position:fixed;top:-100px;left:16px;z-index:10;background:#fff;padding:10px}.skip-link:focus{top:8px}
.site-header,main,footer{max-width:1200px;margin:auto;padding-inline:36px}.site-header {
  max-width: none;
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-inline: max(36px, calc((100% - 1128px) / 2));
  border-bottom: 1px solid var(--green-deep);
  background: var(--green-deep);
  color: var(--green-on-dark);
}
.site-header a { color: inherit; }
.site-header a:hover { color: var(--surface); }
.site-header a:focus-visible { outline-color: var(--green-focus-on-dark); }
.brand{display:flex;align-items:center;gap:12px;font-size:22px;font-weight:700;white-space:nowrap}.brand:hover{text-decoration:none}.brand small{display:block;font-size:9px;letter-spacing:1.6px;font-weight:500;line-height:1.5}.site-header nav{display:flex;gap:23px;flex-wrap:wrap;font-size:13px}.hero{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:32px;padding-block:64px 48px}.eyebrow{font-size:11px;letter-spacing:1.5px;color:var(--green);font-weight:700;margin-bottom:14px}h1{font-size:49px;letter-spacing:2px;margin-bottom:24px}h1 span{display:block;font-size:25px;letter-spacing:0;margin-top:14px;line-height:1.6}.intro{font-size:17px}.muted,.footnote{color:var(--muted)}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:36px;background:var(--green);color:#fff;border-radius:7px;padding:12px 20px;margin-top:10px;font-weight:600}.button:hover{background:var(--green-hover);text-decoration:none}.disclaimer{font-size:12px;color:var(--muted);margin-top:16px}.hero-art{margin:0;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.hero-art img{width:100%}.hero-art figcaption{font-size:10px;color:#627665;text-align:center;padding:0 12px 12px}.notice{display:flex;align-items:baseline;gap:14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);padding:22px 24px}.notice p{margin:3px 0 0;color:var(--muted);font-size:13px}.status-dot{width:8px;height:8px;flex-shrink:0;border-radius:50%;background:var(--green)}.section{padding-block:46px;border-bottom:1px solid var(--line)}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px}.section-heading h2{margin-bottom:0}.badge{border:1px solid var(--line);background:#f8faf7;border-radius:30px;color:var(--muted);padding:4px 12px;font-size:11px;flex-shrink:0}.placeholder{display:flex;align-items:center;gap:24px;padding:28px;border:1px dashed var(--line-strong);border-radius:var(--radius);background:#fcfdfb}.placeholder h3{margin-bottom:8px}.placeholder p{margin:0;color:var(--muted);font-size:14px}.line-icon{font-size:42px;color:#749482;padding:8px}.runtime{font-size:12px;color:var(--muted);margin:12px 0 0}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card{border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;border-top:4px solid #497c57;background:#f7faf5}.card.desert{border-top-color:#a18c54;background:#faf8f0}.card.valley{border-top-color:#608f99;background:#f3f8f9}.scenario-tag{display:block;font-size:11px;letter-spacing:1px;color:var(--muted);margin-bottom:24px}.card p{font-size:13px;color:var(--muted)}.card small{font-size:11px;color:var(--muted)}.footnote{font-size:12px;margin:14px 0 0}.source-copy{max-width:900px;color:var(--muted);font-size:14px}details{border-top:1px solid var(--line);padding-top:14px}summary{cursor:pointer;color:var(--green);font-weight:600}details p{margin-top:16px}.about{display:grid;grid-template-columns:1.2fr 1fr;gap:56px;font-size:14px}.about dl{margin:0}.about dl div{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);padding:10px 0}.about dt{color:var(--muted)}.about dd{margin:0;white-space:nowrap}footer{display:flex;justify-content:space-between;gap:20px;padding-block:28px;color:var(--muted);font-size:11px}
@media(max-width:900px){.site-header{align-items:flex-start;flex-direction:column;padding-block:20px;gap:18px}.hero{gap:22px;padding-top:42px}h1{font-size:40px}h1 span{font-size:21px}.card{padding:22px 18px}.card h3{font-size:16px}.about{gap:30px}}
@media(max-width:640px){.site-header,main,footer{padding-inline:20px}.site-header nav{gap:8px 18px;font-size:12px}.hero{grid-template-columns:1fr;padding-block:32px}.hero-art{max-width:440px;width:100%;justify-self:center}h1{font-size:38px}h1 span{font-size:21px}.intro{font-size:16px}.hero-copy>.muted{font-size:14px}.section{padding-block:32px}.section-heading{align-items:flex-start;flex-direction:column;gap:12px}h2{font-size:23px}.card-grid,.about{grid-template-columns:1fr}.card{padding:22px}.scenario-tag{margin-bottom:14px}.placeholder{padding:22px;gap:12px;align-items:flex-start}.line-icon{font-size:28px;padding:0}.notice{padding:18px;gap:10px}footer{flex-direction:column;gap:6px}.about{gap:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.sim-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}label{display:flex;flex-direction:column;gap:5px;font-size:13px;font-weight:600}input,select,button{font:inherit}input,select{width:100%;min-width:0;border:1px solid var(--line-strong);border-radius:6px;padding:9px 10px;color:var(--ink);background:white}button{cursor:pointer;border:1px solid var(--green);color:var(--green);background:white;border-radius:6px;padding:9px 13px;font-weight:600}button:hover{background:var(--paper)}button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--green-accent);outline-offset:2px}form details{margin-top:20px}form details .form-grid{margin-top:16px}.results,.chart-box{border:1px solid var(--line);border-radius:14px;padding:24px;background:var(--surface)}.metric{display:flex;justify-content:space-between;gap:15px;padding:10px 0;border-bottom:1px solid var(--line);font-size:13px}.metric strong{text-align:right;color:var(--green)}.error{color:#a33427;font-weight:700}.chart-box{margin-top:24px}.chart-wrap{height:360px;position:relative}.chart-wrap.short{height:230px}#scenario-values{font-size:12px;color:var(--muted);margin-top:10px}.card button{margin-top:10px}#sources a{text-decoration:underline}#sources details{margin-top:16px}@media(max-width:640px){.sim-grid{grid-template-columns:1fr}.chart-wrap{height:310px}.chart-wrap.short{height:250px}.chart-box,.results{padding:16px}.form-grid{gap:12px}}
.comparison-area{margin-top:42px;padding:26px;border:1px solid var(--line);border-radius:14px;background:var(--wash)}.scheme-controls{display:grid;grid-template-columns:1fr 1fr;gap:12px}.scheme-controls>div{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.scheme-controls strong{margin-right:5px}.scheme-controls button,.export-controls button{font-size:13px}.export-controls{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.export-controls button:first-child{color:#fff;background:var(--green)}button:disabled{opacity:.45;cursor:not-allowed}.storage-note{font-size:12px;color:var(--muted);margin:12px 0}.scheme-empty{background:white;border:1px solid var(--line);border-radius:9px;padding:15px 18px;margin-top:12px;font-size:13px}.condition-note{color:#805721;background:#fff8e8;border-left:3px solid #be8b3b;padding:10px 14px;margin:15px 0;font-size:13px}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;min-width:570px;font-size:13px;background:white}caption{text-align:left;color:var(--muted);padding:8px 0}th,td{text-align:left;padding:10px;border-bottom:1px solid var(--line)}th{font-weight:600}.explanation{margin-top:22px;padding:16px 20px;border-left:3px solid var(--line-strong);background:var(--paper);font-size:13px}.explanation p{margin:8px 0 0;color:var(--muted)}.explanation a{text-decoration:underline}@media(max-width:640px){.comparison-area{padding:18px}.scheme-controls{grid-template-columns:1fr}}
.analysis-area{margin-top:38px;padding:26px;border:1px solid var(--line);background:var(--wash);border-radius:14px}.analysis-header{display:flex;align-items:start;justify-content:space-between;gap:12px}.analysis-header h3{font-size:23px;margin-bottom:10px}.analysis-selectors{display:grid;grid-template-columns:repeat(2,minmax(0,260px));gap:16px}.analysis-area .footnote{margin:12px 0;color:var(--muted)}.analysis-chart{height:300px;position:relative;margin-top:18px}.joint-analysis{border-top:1px solid var(--line);margin-top:32px;padding-top:26px}.joint-charts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.joint-charts>div{min-width:0;border:1px solid var(--line);border-radius:9px;padding:12px;background:#fff}.joint-charts h4{margin:0;font-size:13px}.joint-chart{height:210px;position:relative}.matrix-analysis{margin-top:28px}.matrix-analysis table{min-width:860px}.matrix-analysis td,.matrix-analysis th{text-align:center;white-space:nowrap}.matrix-met{background:var(--green-soft)}.matrix-low{background:#fff0de}.compact-range{appearance:auto;padding:0;border:0;accent-color:var(--green);height:20px;background:transparent}.analysis-area .table-wrap{margin-top:20px}.analysis-area table{min-width:950px}.analysis-area th,.analysis-area td{white-space:nowrap}.analysis-area caption{font-weight:600}@media(max-width:900px){.joint-charts{grid-template-columns:1fr 1fr}}@media(max-width:640px){.analysis-area{padding:16px}.analysis-header{flex-direction:column}.analysis-selectors,.joint-charts{grid-template-columns:1fr}.analysis-chart{height:280px}.joint-chart{height:190px}}
.matrix-legend{display:flex;flex-wrap:wrap;gap:8px 18px;margin:12px 0;font-size:12px;font-weight:600}.legend-insufficient{color:#a82c30}.legend-low{color:#95621b}.legend-sufficient{color:#286c44}.matrix-insufficient{background:#fae5e3}.matrix-low{background:#fff0d4}.matrix-sufficient{background:var(--green-soft)}.analysis-area .matrix-cell{display:block;width:100%;min-width:58px;padding:8px 5px;background:transparent;border:2px solid transparent;color:#233f32;border-radius:5px;font-size:12px;font-weight:600}.analysis-area .matrix-cell:hover{background:#fff9}.analysis-area .matrix-cell[aria-pressed="true"]{border-color:var(--green);background:#fff;box-shadow:0 0 0 2px var(--green-soft)}.analysis-area .matrix-cell:focus-visible{outline:3px solid var(--green-accent);outline-offset:1px}.matrix-selected{margin:14px 0;background:var(--paper);border-left:3px solid #387b52;padding:12px;font-size:13px}.calculation-panel{margin-top:22px;border:1px solid var(--line);border-radius:12px;padding:18px 20px;background:var(--wash)}.calculation-panel>summary{font-weight:700}.calculation-panel>p{margin:10px 0;color:var(--muted);font-size:13px}.calculation-item{border-top:1px solid var(--line);padding:12px 0}.calculation-item h4{margin:0 0 5px;font-size:14px}.calculation-item p{white-space:pre-wrap;overflow-wrap:anywhere;color:#425b4d;font-size:13px;margin:0;line-height:1.7}

body[data-page] main > section,body[data-page] main > .notice{display:none}
body[data-page="home"] #home,body[data-page="home"] .notice,body[data-page="link"] #simulator,body[data-page="link"] #scenarios,body[data-page="terrain"] #terrain,body[data-page="energy"] #energy,body[data-page="assessment"] #energy,body[data-page="about"] #sources,body[data-page="about"] #about{display:block}
body[data-page="home"] .notice{display:flex}
body[data-page="energy"] .comparison-area{display:none}
body[data-page="assessment"] #energy > :not(.comparison-area){display:none}
body[data-page="assessment"] .comparison-area{margin-top:0}
body[data-page="terrain"] #terrain{min-height:50vh}
.site-header nav span[hidden]{display:none}
.system-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 24px}#sys-device,#sys-cycle,#sys-result{min-width:0}#sys-form{margin:20px 0}#sys-diagnostics p{padding:8px 12px;background:#f7f6ed;border-left:3px solid #b48a40;font-size:13px}#sys-results{white-space:pre-wrap;overflow-wrap:anywhere;padding:16px;background:var(--paper);border-radius:10px}#sys-timeline{padding:14px;background:var(--wash);white-space:normal}
#device-list fieldset,#phase-list fieldset{border:1px solid var(--line);border-radius:10px;padding:14px;margin:12px 0;min-width:0}#device-list fieldset{display:flex;flex-wrap:wrap;align-items:end;gap:12px}#device-list label{flex:1 1 170px}.custom-member{display:grid;grid-template-columns:minmax(150px,1fr) minmax(130px,1fr) minmax(110px,1fr);gap:10px;align-items:end;margin:10px 0}.custom-member label:has(input[type=checkbox]){display:flex;flex-direction:row;align-items:center;overflow-wrap:anywhere}.custom-member input[type=checkbox],#phase-list input[type=checkbox]{width:auto;flex:none}.custom-member input:disabled{background:#edf1ed}.custom-member label{min-width:0}#phase-list fieldset>label{margin:8px 0}#custom-status,#phase-status{color:#895c18;font-weight:600;overflow-wrap:anywhere}@media(max-width:640px){.custom-member{grid-template-columns:1fr 1fr}.custom-member label:first-child{grid-column:1/-1}}
[hidden]{display:none!important}
.terrain-modes{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}.terrain-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px}.terrain-layout section{border:1px solid var(--line);border-radius:12px;padding:18px;margin:16px 0;background:var(--surface)}.terrain-layout label{margin:10px 0}.terrain-layout h2{font-size:20px}.terrain-layout #metadata{font-size:13px;overflow-wrap:anywhere;color:var(--muted);margin:12px 0}@media(max-width:768px){.terrain-layout{grid-template-columns:1fr}}

.terrain-layout>div,.terrain-layout section,.terrain-layout .chart-wrap{min-width:0;max-width:100%}.terrain-layout canvas{max-width:100%}

.terrain-layout .quality-check{display:flex;flex-direction:row;align-items:flex-start;gap:8px;line-height:1.5;margin:14px 0}.terrain-layout .quality-check input{width:auto;flex:none;margin-top:4px}
.quick-start{max-width:1200px;margin:0 auto 36px;padding:22px 28px;border:1px solid var(--line);border-radius:14px;background:var(--paper)}.quick-start h2{font-size:22px;margin:0 0 8px}.quick-start p{margin:0 0 10px}.quick-start ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 26px;padding-left:22px;margin:0}.quick-start a{color:var(--green);font-weight:700;text-decoration:underline}.help-field{min-width:0}.inline-help{display:block;min-width:0;margin:4px 0}.inline-help summary{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border:1px solid var(--line-strong);border-radius:50%;background:#fff;color:var(--green);cursor:pointer;font-weight:700;list-style:none}.inline-help summary::-webkit-details-marker{display:none}.inline-help summary:focus-visible{outline:3px solid var(--green-accent);outline-offset:2px}.inline-help p{margin:6px 0 10px;padding:10px;border-radius:8px;background:var(--paper);color:#294739;font-size:13px;line-height:1.5;overflow-wrap:anywhere}.help-row{display:flex;flex-wrap:wrap;gap:6px 10px;align-items:flex-start}.help-row .inline-help[open]{flex-basis:100%}.result-understanding{font-size:13px;color:var(--muted);line-height:1.6}.result-understanding:empty{display:none}@media(max-width:640px){.quick-start{margin:0 16px 24px;padding:16px}.quick-start ul{grid-template-columns:1fr}}
.inline-help summary{width:auto;min-width:28px;padding:0 7px;gap:5px}.inline-help summary span{font-size:12px;font-weight:600}.help-row .inline-help[open]{min-width:0;max-width:100%}
.case-map img{display:block;width:100%;height:auto;max-height:420px;object-fit:contain}.case-links{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:12px}.case-links a{text-decoration:underline;color:var(--green);font-weight:600}.case-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:14px 0}.case-stats div{min-width:0;padding:10px;background:var(--paper);border-radius:8px}.case-stats dt{font-size:12px;color:var(--muted)}.case-stats dd{margin:3px 0 0;overflow-wrap:anywhere;font-weight:600}.terrain-location svg{display:block;max-width:100%;width:100%;height:140px}.model-flow{margin:20px 0;padding:16px;background:var(--paper);border-radius:12px}.model-flow ol{list-style:none;display:flex;gap:10px;flex-wrap:wrap;margin:0;padding:0}.model-flow li{flex:1 1 135px;border-left:3px solid var(--line-strong);padding:8px;background:white}.model-flow span{display:block;font-size:12px;color:var(--muted)}.model-flow p{font-size:12px}.case-map .footnote{font-size:12px}@media(max-width:640px){.case-stats{grid-template-columns:1fr}.case-links{flex-direction:column;gap:8px}}
.model-flow li:not(:last-child)::after{content:" →";color:#447b62;font-weight:bold}
/* D2 responsive refinements: display only; all model data remain unchanged. */
[hidden]{display:none!important}
.terrain-legend{display:flex;flex-wrap:wrap;gap:5px 12px;margin:8px 0 10px}.terrain-legend button{display:inline-flex;align-items:center;gap:5px;padding:2px 3px;border:0;border-radius:3px;font-size:12px;font-weight:500;line-height:1.4}.terrain-legend button[aria-pressed="false"]{opacity:.45;text-decoration:line-through}.terrain-legend i{width:18px;flex:none;border-top:3px solid var(--green)}.terrain-legend .line-sight{border-color:#364d85}.terrain-legend .line-fresnel{border-color:#a77320;border-top-style:dashed}.terrain-legend .dot-antenna,.terrain-legend .dot-obstacle{width:9px;height:9px;border:0;border-radius:50%;background:#b87925}.terrain-legend .dot-obstacle{background:#ad3d2c}
.curvature-current{font-size:12px;color:var(--muted);margin:4px 0;line-height:1.4}.table-scroll-hint{font-size:12px;color:#375d4b;margin:12px 0 4px}.table-wrap:focus-visible{outline:3px solid var(--green-accent);outline-offset:2px}.table-wrap th,.table-wrap td{min-width:90px}.range-field input[type=range]{box-sizing:border-box;margin-inline:0;max-width:100%}
@media(min-width:1100px){.table-scroll-hint{display:none}}
@media(max-width:640px){.site-header nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));width:100%;gap:2px 8px}.site-header nav a{min-height:36px;display:flex;align-items:center}.terrain-layout .form-grid>.help-field:has(#radio-curvature){grid-column:1/-1}.terrain-layout #radio-curvature{width:100%}.terrain-legend{gap:4px 8px}.terrain-legend button{font-size:12px}.terrain-layout .chart-wrap{height:310px}.terrain-layout .form-grid label,.system-energy label{line-height:1.45}.case-links a{font-size:14px}.case-stats div{padding:8px 10px}}
/* Product navigation keeps existing models and routes intact. */
.hero{padding-block:38px 30px}.hero-art{max-width:460px;justify-self:end}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.button.secondary{background:var(--paper);color:var(--green-deep);border:1px solid var(--line-strong)}.button.secondary:hover{background:var(--green-soft)}.product-subnav h1{font-size:32px;margin:12px 0}.product-subnav nav,.analysis-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.product-subnav a,.analysis-tabs a{display:inline-block;padding:8px 12px;border:1px solid var(--line);border-radius:6px;background:var(--paper);color:var(--green);font-size:14px}.product-subnav a:hover,.analysis-tabs a:hover{background:var(--green-soft)}.workbench .analysis-area{display:none}.analysis-only #simulator> :not(.analysis-area),.analysis-only #scenarios{display:none}.analysis-only #simulator{padding-top:0}.analysis-only .analysis-area{margin-top:0}.analysis-only .analysis-area>.matrix-analysis{display:none}html[data-analysis-view="sensitivity"] .analysis-only .joint-analysis{display:none}html[data-analysis-view="joint"] .analysis-only .analysis-area> :not(.joint-analysis){display:none}html[data-analysis-view="matrix"] .analysis-only .analysis-area> :not(.matrix-analysis){display:none}html[data-analysis-view="matrix"] .analysis-only .analysis-area>.matrix-analysis{display:block}.methods{max-width:900px}.methods p{line-height:1.7}.methods h3{margin-top:22px}.case-map{padding-block:20px}.site-header nav a{white-space:nowrap}@media(max-width:640px){.site-header nav{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-art{max-width:340px;justify-self:center}.product-subnav h1{font-size:27px}.analysis-tabs a{flex:1 1 42%;text-align:center}}
.region-photo-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:18px 0}.region-photo{margin:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--wash);min-width:0}.region-photo img{display:block;width:100%;height:132px;object-fit:cover}.region-photo figcaption{padding:9px 12px;color:#375b4b;font-size:12px;line-height:1.5;overflow-wrap:anywhere}.region-photo figcaption strong{font-size:14px;color:var(--green-deep)}.region-photo figcaption a{text-decoration:underline}.region-photo figcaption small{font-size:11px}.terrain-photo{max-width:390px;margin:12px 0}.terrain-photo h4{margin:0 0 8px}.terrain-photo .region-photo img{height:130px}.terrain-photo p{font-size:12px;color:var(--muted);line-height:1.5;margin:6px 0 12px}@media(max-width:640px){.region-photo-grid{grid-template-columns:1fr;gap:10px}.region-photo-grid .region-photo{display:grid;grid-template-columns:110px minmax(0,1fr)}.region-photo-grid .region-photo img{width:110px;height:100%;min-height:100px}.region-photo-grid .region-photo figcaption{padding:7px 9px}}
.methods-directory{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 24px}.methods-directory a{padding:7px 11px;border:1px solid var(--line);border-radius:6px;color:var(--green)}.methods dl{display:grid;grid-template-columns:minmax(160px,240px) 1fr;gap:7px 14px;font-size:13px}.methods dd{margin:0}.methods .region-photo{max-width:420px;margin:12px 0}.terrain-method-link{font-size:13px;color:var(--muted)}.terrain-method-link a,.simple-energy summary{color:var(--green);text-decoration:underline}.simple-energy{padding:16px;border:1px solid var(--line);border-radius:12px}.simple-energy summary{font-size:16px}.simple-energy .section-heading{margin-top:18px}#sys-diagnostics p{font-size:13px;line-height:1.5;margin:6px 0}.terrain-layout #terrain-plot{margin:12px 0 18px}.terrain-layout #terrain-location{border-top:1px solid var(--line);padding-top:12px}.system-tabs button{min-height:44px}@media(max-width:640px){.methods dl{grid-template-columns:1fr}.methods dd{margin-bottom:8px}}
.system-tabs button[aria-pressed="true"]{background:var(--green);color:#fff}.system-tabs{display:flex;flex-wrap:wrap;gap:8px}
.terrain-import{border:1px solid var(--line);border-radius:12px;padding:18px;margin:16px 0}.scenario-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.scenario-card{min-width:0;border:1px solid var(--line);border-radius:10px;background:#fff;overflow:hidden}.scenario-card button{display:flex;width:100%;min-width:0;align-items:center;gap:10px;border:2px solid transparent;background:transparent;text-align:left;color:var(--green-deep);padding:6px;border-radius:8px}.scenario-card button[aria-pressed="true"]{border-color:var(--green-accent);background:var(--green-soft)}.scenario-card button:disabled{opacity:.65;cursor:wait}.scenario-card img{width:100px;height:64px;object-fit:cover;border-radius:5px;flex:none}.scenario-card span{min-width:0}.scenario-card strong,.scenario-card button small{display:block;line-height:1.35}.scenario-card button small{font-size:12px;font-weight:400;color:#536b5c;margin-top:4px}.scenario-credit{display:block;font-size:11px;padding:0 8px 7px;color:#516b5d}.scenario-credit a{text-decoration:underline}.sr-only{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip-path:inset(50%)}@media(max-width:900px){.scenario-cards{grid-template-columns:repeat(3,minmax(165px,1fr));overflow-x:auto;padding-bottom:6px}.scenario-card img{width:64px;height:55px}.scenario-card button{font-size:13px}}@media(max-width:768px){.terrain-layout>div:nth-child(2){order:-1}.terrain-layout section{margin:10px 0}.terrain-import{padding:12px}.scenario-cards{scroll-snap-type:x proximity}.scenario-card{scroll-snap-align:start}}
.scenario-select{display:flex;align-items:end;gap:10px;max-width:540px}.scenario-select label{flex:1;margin:0;min-width:0}.scenario-select button{flex:none;white-space:nowrap;min-height:44px}.terrain-photo .region-photo{max-width:300px;margin:12px 0}.terrain-photo img{max-height:145px;object-fit:cover}.terrain-photo .footnote{font-size:12px}@media(max-width:420px){.scenario-select{gap:8px}.terrain-photo .region-photo{max-width:100%}}
.power-advanced{grid-column:1/-1}.power-advanced>summary{cursor:pointer;color:var(--green);font-weight:600;padding:8px 0}.power-advanced .form-grid{margin-top:8px}
.terrain-examples{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin-top:14px}.terrain-examples figure{margin:0;min-width:0;padding:4px;border:2px solid transparent;border-radius:8px}.terrain-examples figure.selected{border-color:var(--green-accent);background:var(--green-soft)}.terrain-examples img{display:block;width:100%;height:76px;object-fit:cover;border-radius:4px}.terrain-examples figcaption{font-size:10px;line-height:1.35;color:var(--muted);overflow-wrap:anywhere}.terrain-examples a{text-decoration:underline}.plot-stale{position:absolute;inset:0;display:grid;place-items:center;margin:0;color:var(--muted);background:#f6f9f6;border:1px dashed var(--line-strong);border-radius:8px}.plot-stale[hidden]{display:none}@media(max-width:900px){.terrain-examples{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:520px){.terrain-examples{grid-template-columns:repeat(2,minmax(0,1fr))}.terrain-examples img{height:64px}.terrain-examples figcaption{font-size:9px}}
@media(max-width:640px){.terrain-layout .form-grid>label:has(#radio-curvature){grid-column:1/-1}.terrain-layout #radio-curvature{width:100%}}

/* 当前案例照片；预留空间减少切换时的布局位移。 */
.terrain-examples{display:block;min-height:145px;margin-top:12px}.terrain-examples figure{display:none;max-width:360px}.terrain-examples figure.selected{display:block}.terrain-examples img{height:90px}.terrain-examples figcaption{font-size:11px;line-height:1.35}@media(max-width:520px){.terrain-examples img{height:78px}.terrain-examples{min-height:136px}}

/* 工作台概念场景：照片仅为区域参考。 */
.concept-card{display:flex;align-items:flex-start;gap:12px;min-width:0}.concept-photo{margin:0;flex:0 0 37%;min-width:0}.concept-photo img{display:block;width:100%;height:90px;object-fit:cover;border-radius:6px}.concept-photo figcaption{font-size:10px;line-height:1.35;color:var(--muted);overflow-wrap:anywhere;margin-top:5px}.concept-photo a{text-decoration:underline}.concept-card-content{flex:1;min-width:0}.concept-card-content h3{overflow-wrap:anywhere}.concept-card-content button{max-width:100%}@media(max-width:390px){.concept-photo{flex-basis:35%}.concept-photo img{height:78px}}

/* 工作台保留常用参数和指标，减少顶部空白。 */
.workbench .product-subnav{padding-top:12px;padding-bottom:10px;margin-bottom:0}.workbench #simulator{padding-top:12px}.workbench #scenarios .card-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}.workbench .concept-card{padding:14px}.workbench .concept-card-content p{margin:5px 0}.workbench .concept-card-content h3{margin:6px 0}@media(max-width:640px){.workbench .product-subnav{padding-top:8px;padding-bottom:6px}.workbench #simulator{padding-top:8px}}