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.project.visible .project-photo img{transform:scale(1)}
.project.visible:hover .project-photo img{transform:scale(1.045)}
.project-photo>span{transition:transform .5s var(--ease-out)}.project:hover .project-photo>span{transform:translateY(-4px)}
.process-grid article{position:relative}.process-grid article:before{content:"";position:absolute;left:0;top:-1px;height:2px;width:100%;background:#557b43;transform:scaleX(0);transform-origin:left;transition:transform 1.1s var(--ease-out);transition-delay:inherit}.process-grid article.visible:before{transform:scaleX(1)}
.panel-enter{animation:none}.panel-enter .model-intro{animation:enter .65s var(--ease-out) both}.panel-enter .model-steps{animation:enter .75s .08s var(--ease-out) both}
.button span,.text-link span,.nav-cta span{transition:transform .4s var(--ease-out)}.button:hover span,.text-link:hover span,.nav-cta:hover span{transform:translate(3px,-3px)}
.scroll-line{position:relative;overflow:hidden}.scroll-line:after{content:"";position:absolute;inset:0;background:#eff8c5;transform:translateX(-100%);animation:scroll-cue 2.8s ease-in-out infinite}@keyframes scroll-cue{60%,100%{transform:translateX(100%)}}
.energy{position:relative;isolation:isolate;transition:background 1.4s ease}
.energy:before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(ellipse at 78% 35%,#9aaf4924,transparent 55%);opacity:1;transition:opacity 1.4s}
.energy.night-scene{background:#102c3b}.energy.night-scene:before{opacity:0}
.segmented{position:relative;border-radius:4px;isolation:isolate}.segmented button{position:relative;z-index:1;min-width:110px;transition:color .5s}.segmented button[aria-pressed=true]{background:transparent}
.segment-indicator{position:absolute;left:4px;top:4px;bottom:4px;width:calc(50% - 4px);background:var(--lime);border-radius:2px;transition:transform .65s var(--ease-out);z-index:0}.night-scene .segment-indicator{transform:translateX(100%)}
.cycle-tools{display:flex;align-items:center;gap:12px;max-width:345px;margin-top:12px;height:25px}.cycle-toggle{font-size:10px;color:#d4dfc8;padding:4px 0;min-width:82px;text-align:left}.cycle-toggle:disabled{cursor:default}.cycle-track{height:2px;background:#ffffff26;width:60px;overflow:hidden}.cycle-track i{display:block;width:100%;height:100%;background:#dcecaa;transform:scaleX(0);transform-origin:left}.cycle-label{font-size:8px;letter-spacing:1.2px;color:#a7bcae}
.flow-sun,.flow-moon{position:absolute;right:18%;top:4%;font-size:38px;line-height:1;transition:opacity 1s,transform 1.2s var(--ease-out)}.flow-sun{color:var(--gold)}.flow-moon{color:#d8eaf5;opacity:0;transform:translateY(22px) rotate(-30deg)}
.is-night .flow-sun{opacity:0;transform:translateY(-25px) rotate(45deg)}.is-night .flow-moon{opacity:1;transform:translateY(0) rotate(0)}
.flow-node{transition:opacity 1s,background 1s,border-color 1s,box-shadow 1s;animation:node-drift 6s ease-in-out infinite}.node-battery{animation-delay:-2s}.node-business{animation-delay:-4s}.is-night .flow-node{background:#183d50;border-color:#8fbed440}.is-night .node-business{background:#d5e8e5;box-shadow:0 0 45px #9acccc16}
.flow-path{transition:opacity 1s,stroke 1s}.is-night .battery-path{stroke:#b8e6ef}.energy:not(.motion-in-view) .flow-node,.energy:not(.motion-in-view) .flow-path,.energy:not(.motion-in-view) .battery-bars i{animation-play-state:paused}
@keyframes node-drift{50%{transform:translateY(-5px)}}
@media(max-width:580px){.js .reveal{transform:translateY(24px)}.js .reveal.visible{transform:none}.segmented button{min-width:106px}.cycle-tools{gap:9px}.cycle-label{font-size:7px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.js .reveal{opacity:1;transform:none}.hero-photo{transform:none}.section-heading.reveal h2,.about>.reveal h2,.contact h2.reveal{clip-path:none}.project-photo img{transform:none}.process-grid article:before{transform:scaleX(1)}}
/* Full-width continuous brand ribbons; duplicate group is hidden from screen readers. */
.brand-band{position:relative;overflow:hidden;isolation:isolate;--band-bg:#dfeaaf;background:var(--band-bg);color:#183e33;border-block:1px solid #24473316;padding:27px 0}
.band-window{overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 5%,#000 94%,transparent)}
.band-track{display:flex;width:max-content;animation:brand-roll 32s linear infinite;will-change:transform}
.band-group{display:flex;align-items:center;justify-content:space-around;gap:55px;padding-right:55px;flex-shrink:0;min-width:100vw}
.band-group>span{white-space:nowrap;font-family:var(--serif);font-size:clamp(32px,3.7vw,58px);letter-spacing:-1.5px;line-height:1.2}.band-group>i{font-style:normal;font-size:34px;line-height:1;color:#6a853c}
.band-values{--band-bg:#163e34;color:#f0efdb;padding-block:35px;margin-bottom:75px}.band-values .band-track{animation-direction:reverse;animation-duration:42s}.band-values .band-group>span{font-size:clamp(35px,4.4vw,66px)}.band-values .band-group>span:nth-of-type(even){color:#cddd9b}.band-values .band-group>i{color:#cddd9b}
.band-control{position:absolute;right:14px;bottom:7px;width:26px;height:26px;font-size:11px;border:1px solid currentColor;border-radius:50%;background:var(--band-bg);opacity:.7;z-index:2}.band-control:hover,.band-control:focus-visible{opacity:1}
.brand-band:not(.band-visible) .band-track,.brand-band.band-paused .band-track,.brand-band.tab-hidden .band-track,.brand-band:hover .band-track,.brand-band:focus-within .band-track{animation-play-state:paused}
html[lang=zh-CN] .band-group>span{font-family:var(--sans);font-size:clamp(29px,3.2vw,48px);letter-spacing:1px}
@keyframes brand-roll{to{transform:translateX(-50%)}}
@media(max-width:580px){.brand-band{padding-block:23px}.band-group{gap:30px;padding-right:30px}.band-group>span{font-size:32px}.band-group>i{font-size:23px}.band-values{margin-bottom:50px}.band-values .band-group>span{font-size:36px}.band-control{right:5px;bottom:3px;width:21px;height:21px;font-size:9px}}
@media(prefers-reduced-motion:reduce){.band-track{animation:none!important;transform:none!important;width:100%}.band-group{white-space:normal;flex-wrap:wrap;min-width:0;width:100%;padding:0 25px;gap:18px}.band-group>span,.band-values .band-group>span{font-size:22px;white-space:normal}.band-group>i{font-size:16px}.band-group[aria-hidden=true],.band-control{display:none}.band-window{mask-image:none}}
/* Service cards retain their complete surface while neighbouring cards expand. */
.solution-grid{display:flex;flex-direction:column;gap:24px}.solution-row{display:flex;gap:24px;align-items:stretch}
.solution.service-card{--card-bg:#e0ead9;--card-ink:#335d3e;flex:1;min-width:0;position:relative;isolation:isolate;padding:26px 32px 24px;border:1px solid #72906c40;border-radius:18px;background:var(--card-bg);color:var(--ink);box-shadow:0 8px 24px #17352805;transition:flex .65s var(--ease-out),box-shadow .6s,transform .6s;min-height:355px;display:flex;flex-direction:column}
.solution.service-card:before{display:none}.solution.service-1{--card-bg:#dfeceb;--card-ink:#36686e}.solution.service-2{--card-bg:#f1e9cf;--card-ink:#89703f}.solution.service-3{--card-bg:#e2e6ef;--card-ink:#4c5d80}
.solution.service-card.is-expanded{flex:1.3;box-shadow:0 20px 40px #1735280b;transform:translateY(-4px)}
.service-top{display:flex;align-items:center;justify-content:space-between;min-height:90px}.service-art{width:122px;height:90px;color:var(--card-ink);transition:transform .8s var(--ease-out);transform:translate(0,4px) rotate(-4deg)}.service-art svg{width:100%;height:100%}.is-expanded .service-art{transform:translate(-6px,-4px) rotate(0)}
.solution.service-card h3{margin:15px 0 18px;font-size:30px;line-height:1.2;letter-spacing:-.7px}.service-toggle{display:flex;width:100%;align-items:start;justify-content:space-between;gap:18px;text-align:left;padding:0;font:inherit}.service-toggle>span{font-size:22px;transition:transform .5s}.is-expanded .service-toggle>span{transform:rotate(45deg)}
.solution.service-card>strong{min-height:0;margin-bottom:10px}.solution.service-card>p{min-height:0;font-size:14px;line-height:1.75;max-width:530px}.service-detail{display:grid;grid-template-rows:0fr;opacity:0;transition:grid-template-rows .65s var(--ease-out),opacity .45s,margin .65s}.service-detail>div{overflow:hidden}.service-detail p{font-size:13px;line-height:1.85;color:var(--card-ink);padding-top:0}.is-expanded .service-detail{grid-template-rows:1fr;opacity:1;margin-top:18px}
.service-hint{display:flex;align-items:center;justify-content:space-between;padding-top:25px;margin-top:auto;font-size:11px;color:var(--card-ink)}.service-hint>span{font-size:21px;transition:transform .5s}.is-expanded .service-hint>span{transform:rotate(45deg)}
@media(max-width:850px){.solution.service-card{padding:24px;min-height:370px}.solution.service-card.is-expanded{flex:1.12}.solution.service-card h3{font-size:25px}}
@media(max-width:580px){.solution-row{flex-direction:column;gap:18px}.solution-grid{gap:18px}.solution.service-card,.solution.service-card.is-expanded{min-height:0;flex:auto;transform:none;padding:23px}.service-top{min-height:60px}.service-art{width:100px;height:70px}.solution.service-card h3{font-size:26px;margin-top:8px}.solution.service-card>p{font-size:13px}.service-hint{padding-top:20px}}
@media(prefers-reduced-motion:reduce){.solution.service-card.is-expanded{transform:none}.service-art{transform:none}}
.service-art{position:relative;margin-bottom:9px;width:138px;height:100px}.service-art small{position:absolute;bottom:-9px;right:0;font-size:7px;letter-spacing:1px;white-space:nowrap;opacity:.65}.solar-rays{transform-origin:126px 26px;animation:solar-spin 14s linear infinite}.panel-cells path{animation:cell-light 2.4s ease-in-out infinite}.panel-cells path:nth-child(2){animation-delay:.3s}.panel-cells path:nth-child(3){animation-delay:.6s}.power-dot{animation:power-travel 2.4s ease-in-out infinite}.charge-levels rect{animation:battery-fill 4s ease-in-out infinite}.charge-levels rect:nth-child(2){animation-delay:.4s}.charge-levels rect:nth-child(3){animation-delay:.8s}.charge-levels rect:nth-child(4){animation-delay:1.2s}.emc-orbit{transform-origin:80px 60px;animation:solar-spin 9s linear infinite}.gauge-needle{transform-origin:80px 82px}.service-card:not(.is-expanded) .service-art *,.service-card:not(.art-visible) .service-art *,.service-card.art-hidden-tab .service-art *{animation-play-state:paused!important}
@keyframes solar-spin{to{transform:rotate(360deg)}}@keyframes cell-light{0%,100%{opacity:.2}50%{opacity:.9}}@keyframes power-travel{0%{transform:translateX(0);opacity:0}15%{opacity:1}85%{opacity:1}100%{transform:translateX(116px);opacity:0}}@keyframes battery-fill{0%,100%{opacity:.13}35%,65%{opacity:.85}}
@media(max-width:580px){.service-art{width:120px;height:85px}}
@media(prefers-reduced-motion:reduce){.service-art *{animation:none!important}.charge-levels rect{opacity:.7}}