:root{--ink:#10202c;--muted:#5d6c77;--ice:#eaf7ff;--blue:#097cc1;--blue2:#20b9e8;--line:rgba(16,32,44,.12);--glass:rgba(255,255,255,.68);--shadow:0 24px 70px rgba(35,84,110,.14);--radius:28px;--display:"PingFang TC","Noto Sans TC","Microsoft JhengHei",sans-serif;--body:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:var(--body);background:radial-gradient(circle at 10% 3%,#fff 0 16%,transparent 35%),linear-gradient(145deg,#f9fcfe,#eaf5fa 55%,#f8fbfd);line-height:1.65;overflow-x:hidden}a{color:inherit}img{display:block;max-width:100%}.skip{position:fixed;left:12px;top:-80px;z-index:20;background:#fff;padding:10px}.skip:focus{top:12px}.topbar{height:70px;display:flex;align-items:center;justify-content:space-between;padding:0 max(20px,calc((100vw - 1160px)/2));position:absolute;inset:0 0 auto;z-index:5;color:#fff}.brand{text-decoration:none;display:flex;align-items:baseline;gap:9px}.brand span{font-weight:900;letter-spacing:.12em}.brand small{opacity:.8}.text-link{font-size:14px;text-underline-offset:4px}.hero{min-height:820px;position:relative;display:grid;grid-template-columns:minmax(320px,520px) minmax(400px,1fr);align-items:center;gap:48px;padding:115px max(24px,calc((100vw - 1160px)/2)) 84px;background:linear-gradient(125deg,#10212d 5%,#234258 56%,#68889e);color:#fff;isolation:isolate;overflow:hidden}.hero-copy{position:relative;z-index:2}.eyebrow{margin:0 0 16px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.18em;text-transform:uppercase}.hero .eyebrow{color:#9ce8ff}.hero h1,.refund-copy h1{font:800 clamp(46px,5.6vw,78px)/1.08 var(--display);letter-spacing:-.045em;margin:0 0 24px}.hero h1 em,.refund-copy h1 em{font-style:normal;color:#a9edff}.lead{font-size:18px;color:rgba(255,255,255,.78);max-width:42ch}.hero-actions{display:flex;gap:12px;margin:32px 0 28px}.btn{min-height:48px;padding:12px 20px;border-radius:999px;border:1px solid transparent;font:700 15px var(--body);display:inline-flex;align-items:center;justify-content:center;text-decoration:none;cursor:pointer}.primary{color:#fff;background:linear-gradient(120deg,var(--blue),var(--blue2));box-shadow:0 10px 30px rgba(14,167,221,.25)}.ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.26);color:inherit}.trust{display:flex;gap:22px;list-style:none;padding:0;margin:0;color:rgba(255,255,255,.72);font-size:13px}.trust li:before{content:'✓';color:#93e9ff;margin-right:6px}.hero-visual{position:relative;z-index:2;margin:0;border-radius:42px;overflow:hidden;box-shadow:0 40px 80px rgba(2,12,22,.35);transform:rotate(1.5deg)}.hero-visual img{width:100%;height:640px;object-fit:cover}.hero-visual figcaption{position:absolute;bottom:16px;left:16px;background:var(--glass);color:var(--ink);backdrop-filter:blur(18px);padding:9px 14px;border-radius:999px;font-size:12px}.mist{position:absolute;border-radius:50%;filter:blur(28px);opacity:.45;z-index:1}.mist-a{width:500px;height:180px;background:#67ddff;right:20%;top:42%;animation:float 9s ease-in-out infinite}.mist-b{width:340px;height:120px;background:#fff;right:-10%;top:24%;animation:float 11s 1s ease-in-out infinite reverse}@keyframes float{50%{transform:translate(-70px,45px) scale(1.12)}}.section{max-width:1160px;margin:auto;padding:104px 24px}.section h2{font:800 clamp(36px,5vw,62px)/1.12 var(--display);letter-spacing:-.04em;margin:0 0 24px}.scenes{text-align:center}.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:48px;text-align:left}.scene-grid article,.feature-list article,.order-note{background:var(--glass);backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.9);box-shadow:var(--shadow);border-radius:var(--radius);padding:28px}.scene-grid span,.feature-list b{font-size:12px;color:var(--blue);letter-spacing:.15em}.scene-grid h3,.feature-list h3{margin:24px 0 8px;font-size:22px}.scene-grid p,.feature-list p,.section-head>p,.order-intro>p,.refund-copy>p{color:var(--muted);margin:0}.fineprint{font-size:12px;color:var(--muted);margin-top:28px}.product-story{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}.section-head{max-width:620px}.feature-list{margin-top:45px;display:grid;gap:12px}.feature-list article{display:flex;gap:22px;padding:20px 24px}.feature-list h3{margin:0 0 4px;font-size:18px}.detail-img{border-radius:42px;box-shadow:var(--shadow);width:100%}.gallery{max-width:none;padding-left:max(24px,calc((100vw - 1160px)/2));padding-right:0}.gallery-track,.review-track{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:10px max(24px,calc((100vw - 1160px)/2)) 28px 0;scrollbar-width:none}.gallery-track::-webkit-scrollbar,.review-track::-webkit-scrollbar{display:none}.gallery-track img{width:min(76vw,430px);max-height:660px;object-fit:cover;border-radius:32px;scroll-snap-align:start;box-shadow:var(--shadow)}.specs{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;background:rgba(255,255,255,.44);border:1px solid #fff;border-radius:42px}.specs dl{margin:0}.specs dl div{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:16px 0}.specs dt{color:var(--muted)}.specs dd{margin:0;font-weight:700;text-align:right}.specs>.fineprint{grid-column:1/-1;margin:0}.reviews{max-width:none;padding-left:max(24px,calc((100vw - 1160px)/2));padding-right:0}.review-track blockquote{margin:0;flex:0 0 min(78vw,390px);scroll-snap-align:start;padding:28px;border-radius:28px;background:rgba(255,255,255,.75);border:1px solid #fff;box-shadow:var(--shadow)}.review-track blockquote div{color:#f3a423;letter-spacing:.1em}.review-track blockquote p{font-size:17px}.review-track footer{color:var(--muted);font-size:13px}.order-section{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:start}.order-intro{position:sticky;top:30px}.order-note{margin-top:32px;padding:20px;display:grid;gap:5px}.order-note span{color:var(--muted);font-size:13px}form{background:rgba(255,255,255,.8);border:1px solid #fff;box-shadow:var(--shadow);border-radius:36px;padding:32px;display:grid;gap:18px}label{font-size:14px;font-weight:700;display:grid;gap:7px}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:14px;background:rgba(245,250,252,.86);padding:13px 14px;color:var(--ink);font:16px var(--body);outline:none}textarea{resize:vertical}input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(9,124,193,.12)}[aria-invalid="true"]{border-color:#c83d4b}.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}label small,[data-error]{min-height:0;color:#b52e3c;font-size:12px}.check{grid-template-columns:auto 1fr;align-items:start;font-weight:400;line-height:1.5}.check input{width:20px;height:20px;margin:2px 0}.status{padding:0;border-radius:12px;font-size:14px}.status:not(:empty){padding:12px;background:#eef9ff}.status.error:not(:empty){background:#fff0f1;color:#a52c38}.submit{width:100%}.secure{text-align:center;color:var(--muted);font-size:12px;margin:0}.honeypot{position:absolute;left:-9999px}.legal{padding-top:60px;padding-bottom:130px}.legal h2{font-size:28px}.legal p{max-width:80ch;color:var(--muted)}.mobile-bar{display:none}.support-fab{position:fixed;right:22px;bottom:22px;z-index:8;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:#fff;text-decoration:none;font-weight:800;box-shadow:0 12px 28px rgba(16,32,44,.3)}body>footer{max-width:1160px;margin:auto;border-top:1px solid var(--line);padding:28px 24px 110px;display:flex;justify-content:space-between;color:var(--muted);font-size:13px}body>footer nav{display:flex;gap:18px}.refund-page .topbar{color:var(--ink)}.refund-shell{min-height:calc(100vh - 120px);max-width:1050px;margin:auto;padding:140px 24px 90px;display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start}.refund-copy{padding-top:28px}.refund-copy h1{font-size:clamp(44px,6vw,70px)}.refund-copy h1 em{color:var(--blue)}
@media(max-width:760px){.topbar{height:60px;padding:0 18px}.brand small{font-size:10px}.hero{min-height:auto;display:flex;flex-direction:column;padding:92px 20px 64px;gap:34px}.hero h1{font-size:46px}.lead{font-size:16px}.hero-actions{display:grid}.hero .btn{width:100%}.trust{gap:12px;justify-content:space-between}.hero-visual{width:100%;border-radius:26px;transform:none}.hero-visual img{height:auto;aspect-ratio:9/13;object-fit:cover}.section{padding:76px 20px}.section h2{font-size:39px}.scene-grid,.product-story,.specs,.order-section,.refund-shell{grid-template-columns:1fr}.scene-grid{gap:10px}.scene-grid article{padding:22px}.scene-grid h3{margin-top:12px}.product-story{gap:34px}.detail-img{border-radius:28px}.gallery,.reviews{padding-left:20px;padding-right:0}.gallery-track img{width:82vw;border-radius:24px}.specs{margin:0 12px;padding:34px 20px;border-radius:30px;gap:20px}.review-track blockquote{flex-basis:84vw}.order-section{gap:32px}.order-intro{position:static}form{padding:22px 18px;border-radius:26px}.two{grid-template-columns:1fr}.legal{padding-bottom:150px}.mobile-bar{display:flex;position:fixed;left:10px;right:10px;bottom:10px;z-index:7;align-items:center;justify-content:space-between;padding:10px 10px 10px 16px;border:1px solid rgba(255,255,255,.9);border-radius:22px;background:rgba(255,255,255,.8);backdrop-filter:blur(22px);box-shadow:var(--shadow)}.mobile-bar div{display:grid;line-height:1.25}.mobile-bar small{color:var(--muted)}.mobile-bar .btn{min-height:44px}.support-fab{right:16px;bottom:86px;width:52px;height:52px;font-size:13px}body>footer{padding-bottom:120px}.refund-shell{padding-top:100px;gap:28px}.refund-page .support-fab{bottom:18px}}
/* Image-led story sections */
.scene-grid{grid-template-columns:1.15fr .85fr;grid-template-rows:repeat(2,minmax(320px,1fr))}.scene-card{position:relative;min-height:320px;padding:0!important;overflow:hidden;background:#183044!important;border-color:rgba(255,255,255,.55)!important}.scene-card:first-child{grid-row:1/3}.scene-card img{width:100%;height:100%;min-height:320px;object-fit:cover;transition:transform .7s ease}.scene-card:first-child img{min-height:656px}.scene-card>div{position:absolute;left:16px;right:16px;bottom:16px;padding:22px;text-align:left;border:1px solid rgba(255,255,255,.72);border-radius:22px;background:rgba(247,252,255,.82);backdrop-filter:blur(18px);box-shadow:0 12px 35px rgba(6,25,38,.16)}.scene-card span{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.12em}.scene-card h3{margin:8px 0 4px;font-size:clamp(19px,2vw,27px);line-height:1.25}.scene-card p{margin:0;color:var(--muted);font-size:14px}.scene-card:hover img{transform:scale(1.025)}
.product-story{grid-template-columns:1.08fr .92fr;align-items:center;max-width:none;padding-left:max(24px,calc((100vw - 1160px)/2));padding-right:max(24px,calc((100vw - 1160px)/2));background:linear-gradient(135deg,#102735,#274b61);color:#fff}.cooling-visual{position:relative;min-width:0}.cooling-visual .detail-img{max-height:760px;object-fit:cover;object-position:50% 18%;box-shadow:0 34px 80px rgba(0,10,20,.38)}.cooling-badge{position:absolute;left:20px;bottom:20px;padding:10px 15px;border-radius:999px;background:rgba(255,255,255,.8);backdrop-filter:blur(16px);color:var(--ink);font-size:12px;font-weight:800;letter-spacing:.08em}.cooling-copy .eyebrow{color:#92e7ff}.cooling-copy .section-head>p{color:rgba(255,255,255,.7)}.cooling-copy .feature-list article{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.16);box-shadow:none}.cooling-copy .feature-list b{color:#8ee6ff;font-size:16px}.cooling-copy .feature-list p{color:rgba(255,255,255,.65)}
.gallery-track figure{position:relative;width:min(76vw,430px);flex:0 0 auto;margin:0;border-radius:32px;overflow:hidden;scroll-snap-align:start;box-shadow:var(--shadow);background:#fff}.gallery-track figure img{width:100%;height:620px;object-fit:cover;border-radius:0;box-shadow:none}.gallery-track figcaption{position:absolute;left:14px;right:14px;bottom:14px;padding:18px;border-radius:20px;background:rgba(255,255,255,.84);backdrop-filter:blur(18px);display:grid;gap:3px}.gallery-track figcaption strong{font-size:17px}.gallery-track figcaption span{color:var(--muted);font-size:13px}
.review-track{scroll-behavior:smooth}.review-track footer{display:flex;justify-content:space-between;gap:16px;align-items:end}.review-track footer span{color:var(--ink);font-weight:700}.review-track footer time{font-size:11px;white-space:nowrap}.pickup-hint{margin:0 0 14px;padding:12px 14px;border-radius:12px;background:#eef8fc;color:var(--muted);font-size:12px}#homeFields,#pickupFields{display:grid;gap:18px}#homeFields[hidden],#pickupFields[hidden]{display:none}
@media(max-width:760px){.scene-grid{grid-template-rows:none;gap:12px}.scene-card,.scene-card:first-child{grid-row:auto;min-height:470px;padding:0}.scene-card img,.scene-card:first-child img{min-height:470px}.scene-card>div{left:12px;right:12px;bottom:12px;padding:18px}.scene-card h3{margin-top:7px}.product-story{gap:34px;padding-left:20px;padding-right:20px}.cooling-visual .detail-img{height:560px}.gallery-track figure{width:84vw;border-radius:24px}.gallery-track figure img{height:560px}.review-track footer{align-items:start;flex-direction:column;gap:3px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.mist{animation:none}.scene-card img{transition:none}}

/* Latest review: let supplied artwork carry its own copy. */
.scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:none}.scene-card,.scene-card:first-child{grid-row:auto;min-height:0;padding:0!important}.scene-card img,.scene-card:first-child img{width:100%;height:auto;min-height:0;object-fit:contain}.scene-card>div,.cooling-badge{display:none}.product-story{align-items:stretch}.cooling-visual{display:flex}.cooling-visual .detail-img{height:100%;max-height:none;object-fit:cover;object-position:center}.review-track{scroll-snap-type:none;scroll-behavior:auto}.review-track blockquote{scroll-snap-align:none}
@media(max-width:760px){.scene-grid{grid-template-columns:1fr}.scene-card,.scene-card:first-child{min-height:0}.scene-card img,.scene-card:first-child img{height:auto;min-height:0}.cooling-visual .detail-img{height:100%;min-height:560px}.product-story{align-items:stretch}}

/* Chaptered use of the original long-form artwork. */
.evidence{max-width:none;padding-left:max(24px,calc((100vw - 1160px)/2));padding-right:0}.evidence-track{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:18px max(24px,calc((100vw - 1160px)/2)) 30px 0;scrollbar-width:none}.evidence-track::-webkit-scrollbar{display:none}.evidence-track img{flex:0 0 auto;width:min(72vw,390px);max-height:650px;object-fit:contain;scroll-snap-align:start;border-radius:28px;box-shadow:var(--shadow);background:#fff}.install-story .section-head{margin-bottom:40px}.install-compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}.install-compare figure{margin:0;border-radius:30px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}.install-compare figure>img{width:100%;height:100%;max-height:620px;object-fit:cover}.install-crop{overflow:hidden;aspect-ratio:983/1380}.install-crop img{display:block;width:100%;height:auto}.install-compare figcaption{padding:20px 22px;display:grid;gap:4px}.install-compare figcaption strong{font-size:19px}.install-compare figcaption span{color:var(--muted);font-size:13px}.battery-story{display:grid;grid-template-columns:.65fr 1.35fr;gap:54px;align-items:start}.battery-copy{position:sticky;top:30px}.battery-copy h2{font:800 clamp(36px,5vw,62px)/1.12 var(--display);letter-spacing:-.04em}.battery-copy>p{color:var(--muted)}.battery-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.battery-grid>img,.chapter-crop{width:100%;border-radius:26px;box-shadow:var(--shadow);overflow:hidden;background:#fff}.battery-main{grid-row:span 2}.chapter-crop{aspect-ratio:1111/1040}.chapter-crop img{display:block;width:100%;height:auto;transform:translateY(-26.1%)}.remote-card .remote-crop{height:620px;overflow:hidden}.remote-card .remote-crop img{width:100%;height:auto;max-height:none;object-fit:initial;transform:translateY(-27%)}.grille-card{display:flex;flex-direction:column}.grille-part{overflow:hidden;width:100%}.grille-part img{display:block;width:100%;height:auto!important;max-height:none!important;object-fit:initial!important;border-radius:0!important;box-shadow:none!important}.grille-top{height:365px}.grille-top img{transform:translateY(-67%)}.grille-bottom{height:255px}.grille-bottom img{transform:translateY(0)}
@media(max-width:760px){.evidence{padding-left:20px}.evidence-track img{width:82vw;max-height:590px}.install-compare,.battery-story{grid-template-columns:1fr}.install-compare figure>img{height:auto;max-height:none}.battery-copy{position:static}.battery-grid{grid-template-columns:1fr 1fr}.battery-main{grid-row:auto}.remote-card .remote-crop{height:560px}.grille-top{height:320px}.grille-bottom{height:240px}}

/* Final crop calibration: ratios preserve the intended source slices at every width. */
.scene-grid .scene-card:first-child{grid-column:1/-1}.install-traditional>img{width:100%;height:auto;aspect-ratio:983/1380;max-height:none;object-fit:cover}.remote-card .remote-crop{height:auto;aspect-ratio:897/600}.remote-card .remote-crop img{transform:translateY(-35%)}.grille-top{height:auto;aspect-ratio:897/579}.grille-bottom{height:auto;aspect-ratio:908/270}
@media(max-width:760px){.scene-grid .scene-card:first-child{grid-column:auto}.install-traditional>img{aspect-ratio:4/3}.remote-card .remote-crop,.grille-top,.grille-bottom{height:auto}}

/* 2026-07-13 visual calibration: every artwork gets an intentional frame. */
.scene-grid{align-items:stretch}
.scene-card{border-radius:32px!important}
.scene-card img{border-radius:inherit}
.scene-grid{max-width:920px;margin-left:auto;margin-right:auto;align-items:start}
.scene-grid .scene-card:first-child{width:min(100%,720px);height:auto;justify-self:center}
.scene-grid .scene-card:first-child img{height:auto;object-fit:contain;object-position:center top}
.scene-grid .scene-card:not(:first-child){height:auto}
.scene-grid .scene-card:not(:first-child) img{height:auto;object-fit:contain;object-position:center top}

.product-story{align-items:stretch}
.product-story>.cooling-visual,.product-story>.cooling-copy{height:760px}
.cooling-copy{display:grid;grid-template-rows:auto minmax(0,1fr)}
.cooling-copy .feature-list{display:grid;grid-template-rows:repeat(3,minmax(0,1fr));margin-top:28px}
.cooling-copy .feature-list article{align-items:center}

.evidence-track{align-items:center;gap:12px}
.evidence-track img{width:auto;height:620px;max-width:none;max-height:none;object-fit:initial;border-radius:30px;background:transparent}

.install-compare{align-items:stretch}
.install-compare figure{display:grid;grid-template-rows:auto 1fr}
.install-visual{aspect-ratio:4/5;overflow:hidden;background:#dceaf2}
.install-visual img{width:100%;height:100%;object-fit:cover}
.install-e868 .install-visual img{object-position:center 10%}
.install-traditional .install-visual img{object-position:center top}
.install-compare figcaption{position:static;background:#fff}

.battery-story{display:block}
.battery-copy{position:static;max-width:700px;margin-bottom:42px}
.battery-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.battery-grid>img{width:100%;height:auto;aspect-ratio:9/16;object-fit:cover;border-radius:28px;box-shadow:var(--shadow);background:#fff}
.battery-grid>img:nth-child(2){object-position:left center}

.gallery-track{align-items:flex-start}
.gallery-track figure{height:620px;display:grid;grid-template-rows:minmax(0,1fr) auto;background:#f8fbfd}
.gallery-track .detail-visual{min-height:0;overflow:hidden;background:#e8f3f9}
.gallery-track .detail-visual>img{width:100%;height:100%;object-fit:cover;border-radius:0;box-shadow:none}
.gallery-track figcaption{position:static;left:auto;right:auto;bottom:auto;min-height:112px;padding:18px 20px;border-radius:0;background:rgba(255,255,255,.94);backdrop-filter:none}
.remote-visual{background-image:url("素材/24.png")!important;background-repeat:no-repeat!important;background-size:150% auto!important;background-position:center 68%!important}
.grille-visual{display:grid;grid-template-rows:62% 38%}
.grille-visual span{display:block;background-repeat:no-repeat;background-color:#eef4f7}
.grille-a{background-image:url("素材/24.png");background-size:105% auto;background-position:center bottom}
.grille-b{background-image:url("素材/25.png");background-size:105% auto;background-position:center top}

.line-card{margin-top:18px;padding:16px;display:flex;align-items:center;gap:16px;border:1px solid rgba(255,255,255,.92);border-radius:24px;background:rgba(255,255,255,.72);box-shadow:var(--shadow);backdrop-filter:blur(18px)}
.line-card img{width:112px;height:112px;flex:0 0 auto;border-radius:16px;object-fit:cover}
.line-card div{display:grid;gap:3px}
.line-card span{font-size:12px;color:var(--muted);letter-spacing:.12em}
.line-card strong{font-size:20px}
.line-card a{margin-top:6px;color:var(--blue);font-size:14px;font-weight:800;text-underline-offset:4px}

.review-viewport{width:100%;overflow:hidden;padding:0 0 8px}
.review-track{width:max-content;overflow:visible;scroll-snap-type:none;scroll-behavior:auto;padding:10px 0 28px;animation:review-marquee 54s linear infinite;will-change:transform}
.review-track:hover,.review-track:focus-within{animation-play-state:paused}
@keyframes review-marquee{to{transform:translateX(calc(-50% - 8px))}}

@media(max-width:960px){
  .product-story{grid-template-columns:1fr}
  .product-story>.cooling-visual,.product-story>.cooling-copy{height:auto}
  .cooling-copy{display:block}
  .cooling-copy .feature-list{grid-template-rows:none}
}

@media(max-width:760px){
  .scene-card{border-radius:26px!important}
  .scene-grid{max-width:none}
  .scene-grid .scene-card:first-child,.scene-grid .scene-card:not(:first-child){width:100%;height:auto;aspect-ratio:auto}
  .scene-grid .scene-card:first-child img,.scene-grid .scene-card:not(:first-child) img{height:auto;object-fit:contain}
  .product-story>.cooling-visual{height:auto}
  .product-story>.cooling-copy{height:auto;min-height:0}
  .cooling-copy{display:block}
  .cooling-copy .feature-list{grid-template-rows:none}
  .evidence-track{gap:10px}
  .evidence-track img{width:auto;height:560px;max-width:none;max-height:none}
  .evidence-track img:nth-child(4),.evidence-track img:nth-child(7){width:86vw;height:auto}
  .install-visual{aspect-ratio:4/5}
  .battery-grid{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 20px 26px 0;scrollbar-width:none}
  .battery-grid::-webkit-scrollbar{display:none}
  .battery-grid>img{flex:0 0 82vw;width:82vw;scroll-snap-align:start}
  .gallery-track figure{height:560px}
  .gallery-track figcaption{min-height:104px}
  .line-card img{width:96px;height:96px}
  .review-track{animation-duration:48s}
}
@media(prefers-reduced-motion:reduce){
  .review-viewport{overflow-x:auto;scrollbar-width:none}
  .review-viewport::-webkit-scrollbar{display:none}
  .review-track{animation:none;will-change:auto}
}

/* Production commerce details */
.hero-price{display:flex;align-items:baseline;flex-wrap:wrap;gap:8px 14px;margin-top:24px}
.hero-price span{font-size:13px;color:rgba(255,255,255,.7)}
.hero-price del{color:rgba(255,255,255,.55);font-size:17px;text-decoration-thickness:2px}
.hero-price strong{font:800 clamp(30px,4vw,44px)/1 var(--display);color:#a9edff;letter-spacing:-.03em}
.hero-price small{flex-basis:100%;color:rgba(255,255,255,.7)}
.purchase-summary{margin-top:32px;padding:24px;border:1px solid rgba(255,255,255,.92);border-radius:28px;background:rgba(255,255,255,.76);box-shadow:var(--shadow);backdrop-filter:blur(18px)}
.price-row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.price-row span{color:var(--muted);font-size:13px}
.price-row>div{display:flex;align-items:baseline;gap:10px}
.price-row del{color:var(--muted);font-size:14px;text-decoration-thickness:2px}
.price-row strong{font:800 30px/1 var(--display);color:var(--blue);letter-spacing:-.03em;white-space:nowrap}
.purchase-summary dl{margin:12px 0}
.purchase-summary dl div{display:grid;grid-template-columns:60px 1fr;gap:12px;padding:7px 0}
.purchase-summary dt{color:var(--muted);font-size:13px}
.purchase-summary dd{margin:0;font-size:13px;font-weight:700}
.purchase-summary p{margin:14px 0 0;padding-top:14px;border-top:1px solid var(--line);color:var(--muted);font-size:12px;line-height:1.7}
.purchase-summary a{color:var(--blue);font-weight:800;text-underline-offset:3px}
.order-total{display:grid;grid-template-columns:1fr auto;align-items:baseline;gap:3px 14px;padding:18px 20px;border-radius:18px;background:linear-gradient(135deg,#edf9ff,#f7fcff);border:1px solid rgba(9,124,193,.14)}
.order-total span{color:var(--muted);font-size:13px}
.order-total strong{font:800 25px/1 var(--display);color:var(--blue);letter-spacing:-.02em}
.order-total small{grid-column:1/-1;color:var(--muted)}
@media(max-width:760px){
  .hero-price{margin-top:20px}
  .purchase-summary{padding:20px;border-radius:24px}
  .price-row{align-items:flex-start;flex-direction:column;gap:8px}
  .price-row strong{font-size:27px}
}