/* A real-looking energy core and a small, explicit software concept. */
.system-bridge{display:flex;justify-content:space-between;gap:35px;align-items:center;border-top:1px solid #ccd4c3;margin-top:32px;padding-top:30px}
.system-bridge h3{font-size:29px;margin-bottom:11px}.system-bridge p:not(.flow-kicker){font-size:16px;color:#4d6055;line-height:1.65;margin:0}.system-bridge .button{flex-shrink:0}
.site-flow .whole-system-section{padding-block:64px 50px}
.whole-system-heading{display:grid;grid-template-columns:1.5fr 1fr;gap:10%;align-items:end;margin-bottom:35px}
.whole-system-heading h2{font-size:clamp(39px,4.4vw,60px);line-height:1.09;letter-spacing:-.035em}
.whole-system-heading h2 em{color:#ad4828}.whole-system-heading>p{font-size:17px;line-height:1.65;color:#4d6055;margin-bottom:3px}
.system-explorer{border:1px solid #c8d2bf;background:#fbfbf3;overflow:hidden;border-radius:5px}
.system-explorer [hidden]{display:none!important}
.system-part-picker{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));background:#edf0e3;border-bottom:1px solid #c8d2bf}
.system-part-picker button{display:flex;align-items:center;justify-content:center;gap:11px;position:relative;min-height:78px;padding:15px 10px;border:0;border-bottom:3px solid transparent;color:#2f4b39;background:transparent;font:500 14px/1.4 Inter,Arial,sans-serif;cursor:pointer;transition:background .18s,color .18s}
.system-part-picker button+button{border-left:1px solid #d0d7c7}.system-part-picker button>span{font-size:10px;color:#637251;align-self:flex-start;position:absolute;top:10px;right:10px}.system-part-picker button strong{font-weight:600}.system-part-picker .icon{width:25px;height:25px}
.system-part-picker button[aria-selected=true]{background:#173d30;color:#fffef3;border-bottom-color:#d7ed9e}.system-part-picker button[aria-selected=true]>span{color:#d7ed9e}
.system-part-picker button:hover:not([aria-selected=true]){background:#e0e7d1}.system-part-picker button:focus-visible{outline:2px solid #ad4828;outline-offset:-5px;z-index:2}
.system-explorer-body{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr)}
.system-product-photo{position:relative;margin:0;align-self:start;background:#e9e7dc;isolation:isolate}
.system-photo-frame>img{aspect-ratio:3/2;object-fit:cover;width:100%;height:auto}
.system-product-photo figcaption{padding:14px 20px;font-size:12px;color:#415a44;background:#edf0e3;border-top:1px solid #cad3bd}
.system-photo-frame{position:relative}.system-photo-points{position:absolute;inset:0;pointer-events:none}
.system-photo-point{position:absolute;display:grid;place-items:center;width:29px;height:29px;transform:translate(-50%,-50%);border-radius:50%;background:#fffef1;color:#173d30;border:1px solid #173d3066;box-shadow:0 2px 12px #102d2429;font:650 11px/1 Inter,Arial,sans-serif;transition:background .2s,box-shadow .2s}
.system-photo-point[data-active=true]{background:#d7ed9e;border-color:#173d30;box-shadow:0 0 0 6px #d7ed9e40,0 2px 12px #102d2455}
.point-solar{left:78%;top:12%}.point-battery{left:48%;top:57%}.point-control{left:80%;top:55%}.point-grid{left:94%;top:48%}.point-generator{left:16%;top:54%}
.system-part-details{padding:29px 27px;min-width:0}
.system-part-details article+article{border-top:1px solid #cbd3c2;margin-top:28px;padding-top:28px}
.is-enhanced .system-part-details article{margin:0;padding:0;border:0}
.system-detail-label{font-size:12px;color:#5b6f4d;margin:0 0 18px;font-weight:550}
.system-part-details h3{font-size:clamp(26px,2.6vw,36px);line-height:1.13;letter-spacing:-.035em;margin-bottom:17px}
.system-part-details article>p:not(.system-detail-label){font-size:15px;color:#405845;line-height:1.7;margin-bottom:22px;max-width:430px}
.system-part-details ul{list-style:none;padding:0;margin:24px 0 0;border-top:1px solid #d2d9c8}
.system-part-details li{display:flex;align-items:center;gap:12px;font-size:13px;line-height:1.55;padding-top:16px;color:#405845}.system-part-details li .icon{width:19px;height:19px;color:#7a4d2d}
.software-view{background:#173d30;border-radius:4px;color:#f7f5ee;padding:17px 18px;margin-top:23px}
.software-view header{display:grid;grid-template-columns:20px 1fr;gap:3px 10px;padding-bottom:14px;border-bottom:1px solid #ffffff2b;align-items:center}
.software-view header>.icon{width:20px;height:20px;grid-row:1/3;color:#d7ed9e}.software-view header>strong{font:550 13px/1.4 Inter,Arial,sans-serif}.software-view header>span{font-size:10px;color:#c0d0ad}
.software-view dl{margin:0}.software-view dl>div{padding:14px 0 0}.software-view dt{display:flex;align-items:center;gap:9px;font-size:12px;font-weight:600}.software-view dt .icon{width:16px;height:16px;color:#d7ed9e}.software-view dd{font-size:11px;line-height:1.5;color:#d4dfc6;margin:4px 0 0 25px}
.software-view>p{font-size:11px;line-height:1.6;color:#c5d3b5;border-top:1px solid #ffffff2b;padding-top:13px;margin:16px 0 0}
.system-operating-principle{display:grid;grid-template-columns:1fr 1.7fr;gap:8%;margin-top:35px;border-bottom:1px solid #cbd4c1;padding-bottom:30px}
.system-operating-principle h3{font-size:27px;line-height:1.15}.system-operating-principle ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.system-operating-principle li{font-size:14px;line-height:1.65;color:#405845;border-left:1px solid #c5cfb9;padding-left:18px}.system-operating-principle li>span{display:block;font-size:15px;font-weight:650;color:#173d30;margin-bottom:9px}
.system-foot{display:flex;justify-content:space-between;gap:35px;align-items:start;margin-top:18px}.system-foot>p{font-size:12px;line-height:1.65;color:#55674f;max-width:660px;margin:0}.system-foot .text-link{font-size:12px;white-space:nowrap}
@media(max-width:1100px){.system-part-picker button{gap:8px;font-size:13px}.system-part-picker .icon{width:23px;height:23px}.system-explorer-body{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr)}.system-part-details{padding:24px 22px}.system-part-details h3{font-size:28px}.software-view{padding:15px}.whole-system-heading{gap:6%}.system-operating-principle{grid-template-columns:1fr 2fr;gap:5%}}
@media(max-width:900px){.system-explorer-body{display:block}.system-part-details{padding:25px;min-height:310px}.system-part-details article>p:not(.system-detail-label){max-width:650px}.software-view{max-width:600px}.software-view dl{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.software-view dl>div{min-width:0}.software-view dd{margin-left:0}.software-view>p br{display:none}.software-view>p br:after{content:' '}.system-product-photo figcaption{padding-inline:22px}.system-photo-frame>img{max-height:none}.system-part-picker button{min-height:76px}.system-operating-principle{display:block}.system-operating-principle h3{margin-bottom:25px}.system-foot{display:block}.system-foot .text-link{margin-top:18px}}
@media(max-width:720px){.system-bridge{display:block;margin-top:25px;padding-top:25px}.system-bridge h3{font-size:27px}.system-bridge p:not(.flow-kicker){font-size:15px}.system-bridge .button{margin-top:22px;font-size:13px}.site-flow .whole-system-section{padding-block:38px 35px}.whole-system-heading{display:block;margin-bottom:25px}.whole-system-heading h2{font-size:clamp(34px,8.8vw,47px)}.whole-system-heading>p{font-size:16px;margin-top:21px}.system-part-picker button{flex-direction:column;gap:7px;padding:20px 3px 13px;min-height:93px;font-size:11px;line-height:1.3}.system-part-picker button strong{max-width:60px}.system-part-picker button>span{right:auto;top:6px;font-size:9px}.system-part-picker .icon{width:23px;height:23px}.system-part-details{padding:24px 21px;min-height:340px}.system-part-details h3{font-size:30px;max-width:300px}.system-part-details article>p:not(.system-detail-label){font-size:15px;line-height:1.65}.system-detail-label{font-size:12px;margin-bottom:13px}.system-product-photo figcaption{font-size:11px;padding:12px 15px}.system-photo-point{width:24px;height:24px;font-size:10px}.system-photo-points{inset:0}.software-view{margin-top:20px;padding:17px}.software-view dl{display:block}.software-view dd{font-size:12px;margin-left:25px}.software-view dt{font-size:13px}.software-view header>strong{font-size:14px}.software-view header>span{font-size:11px}.software-view>p{font-size:12px}.system-operating-principle{margin-top:28px;padding-bottom:25px}.system-operating-principle h3{font-size:28px;margin-bottom:22px}.system-operating-principle ol{display:block}.system-operating-principle li{padding:0 0 19px 18px;font-size:15px}.system-operating-principle li:last-child{padding-bottom:0}.system-operating-principle li>span{font-size:15px;margin-bottom:6px}.system-foot>p{font-size:12px}}
@media(prefers-reduced-motion:reduce){.system-part-picker button,.system-photo-point{transition:none}}
.motion-paused .system-part-picker button,.motion-paused .system-photo-point{transition:none}
@media print{.system-part-picker,.system-photo-points{display:none!important}.system-explorer-body{display:block}.system-part-details article[hidden]{display:block!important;margin-top:25px;border-top:1px solid #ccd4c3;padding-top:20px}.software-view{background:#eef1e7;color:#173d30}.software-view dd,.software-view>p,.software-view header>span{color:#405845}.system-part-details article{break-inside:avoid}}

/* The photo and its operating principle share one frame; no empty spacer below it. */
.system-product-photo .system-source-rail{padding:20px 22px 19px;background:#e9eedb}
.source-rail-inputs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;text-align:center;font-size:12px;line-height:1.4;color:#3f583f}
.source-rail-inputs>span{display:flex;align-items:center;justify-content:center;gap:8px}.source-rail-inputs .icon{width:20px;height:20px}
.system-source-rail>svg{display:block;width:100%;height:28px;stroke:#a2b48c;stroke-width:1.2;margin-top:8px}
.source-rail-output{display:flex;justify-content:center;align-items:center;gap:10px;font-size:12px;color:#173d30;line-height:1.5}.source-rail-output>.icon{width:21px;height:21px}.source-rail-output>strong{font-weight:600}.source-rail-output>span{color:#637b50}
.system-part-details{align-self:center}.software-view dl>div{display:grid;grid-template-columns:78px 1fr;gap:7px;align-items:center;padding-top:13px}.software-view dd{margin:0;font-size:12px}.software-view dt{font-size:12px}
@media(max-width:900px){.software-view dl{display:block}.software-view dl>div{grid-template-columns:100px 1fr}.software-view>p br{display:initial}}
@media(max-width:720px){.system-product-photo .system-source-rail{padding:16px 13px}.source-rail-inputs{font-size:10px;gap:5px}.source-rail-inputs>span{flex-direction:column;gap:5px}.source-rail-inputs .icon{width:20px;height:20px}.source-rail-output{font-size:11px;gap:8px}.system-source-rail>svg{height:23px}.source-rail-output>.icon{width:19px;height:19px}.software-view dl>div{grid-template-columns:82px 1fr;gap:9px;padding-top:15px}.software-view dd{font-size:12px;line-height:1.5}.software-view dt{font-size:12px}}
@media(max-width:720px){.system-part-picker button{font-size:12px}}
@media(max-width:360px){.system-part-picker{grid-template-columns:repeat(6,minmax(0,1fr))}.system-part-picker button{grid-column:span 2;min-height:83px;padding-block:18px 11px}.system-part-picker button:nth-child(n+4){grid-column:span 3;border-top:1px solid #d0d7c7}.system-part-picker button:nth-child(4){border-left:0}.system-part-picker button strong{max-width:90px}}