:root{--blue:#073b87;--ink:#171b22;--muted:#656d79;--soft:#f5f6f8;--line:#e2e6eb;--radius:26px;--header:72px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:156px}body{margin:0;color:var(--ink);background:#fff;font-family:Inter,"Segoe UI","Microsoft YaHei",Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,a,input,textarea,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #4385cf;outline-offset:5px}img{max-width:100%;display:block}p{line-height:1.8;color:var(--muted)}h1,h2,h3,p{margin-top:0}h2{font-size:clamp(34px,4.2vw,62px);font-weight:600;line-height:1.16;letter-spacing:-.045em;white-space:pre-line}h3{font-size:25px;line-height:1.4;font-weight:600;letter-spacing:-.025em}.wrap{width:min(1240px,calc(100% - 96px));margin-inline:auto}.section{padding:100px 0}.soft{background:var(--soft)}.eyebrow{display:block;color:var(--blue);font-size:12px;line-height:1.5;letter-spacing:.17em;font-weight:650;margin-bottom:22px}.section-head{text-align:center;max-width:900px;margin:0 auto 28px;padding-inline:20px}.section-intro{max-width:650px;margin:0 auto 52px;text-align:center;font-size:17px;padding-inline:20px}.primary{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--blue);border-radius:99px;color:white;background:var(--blue);font-size:14px;padding:15px 27px;transition:background .2s,box-shadow .2s;line-height:1.4}.primary:hover{background:#092f65;box-shadow:0 5px 15px #073b8720}.compact{padding:10px 21px;white-space:nowrap}.text-link{color:var(--blue);font-size:15px;font-weight:550;line-height:1.5}.text-link:hover{text-decoration:underline;text-underline-offset:5px}.site-header{height:var(--header);display:flex;align-items:center;justify-content:space-between;padding:0 5%;gap:30px;border-bottom:1px solid #eceef1;background:#fff;position:relative;z-index:10}.brand{display:block;flex-shrink:0;width:174px;height:29px}.brand img{width:100%;height:100%;object-fit:cover;object-position:50% 42.6%}.site-header nav{display:flex;gap:38px;font-size:14px}.language{border:1px solid #dfe3e8;background:#fff;border-radius:50px;padding:8px 16px;font-size:13px}.product-nav{position:sticky;top:0;z-index:20;min-height:64px;display:flex;align-items:center;gap:28px;padding:12px 5%;border-bottom:1px solid var(--line);background:#fffffff2;backdrop-filter:blur(15px)}.product-name{font-size:16px;font-weight:650;letter-spacing:-.02em;margin-right:auto}.product-nav nav{display:flex;gap:30px;font-size:13px;color:#505864}.product-nav nav a:hover{color:var(--blue)}.skip{position:fixed;top:-100px;left:12px;padding:14px;z-index:100;background:#fff}.skip:focus{top:12px}.hero{display:grid;grid-template-columns:1fr 1.05fr;align-items:center;width:min(1320px,calc(100% - 96px));margin:auto;padding:68px 0 64px;min-height:650px;gap:24px}.hero h1{font-size:22px;font-weight:550;letter-spacing:-.02em;color:var(--blue);margin-bottom:24px}.hero h2{font-size:clamp(40px,4.7vw,68px);margin-bottom:24px;letter-spacing:-.055em}.hero .eyebrow{font-size:11px;letter-spacing:.15em;margin-bottom:18px}.hero .lead{font-size:17px;max-width:430px;margin-bottom:28px}.actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap}.hero-caption{font-size:12px;margin:26px 0 0}.hero-visual{position:relative;isolation:isolate;padding:5% 0 6%;display:flex;flex-direction:column;align-items:center}.hero-visual>img{width:100%;height:auto;position:relative;mix-blend-mode:multiply}.halo{position:absolute;width:91%;height:91%;border-radius:50%;background:radial-gradient(ellipse,#edf3fb 0,#f7f9fc 54%,#fff 73%);z-index:-1;top:0;right:-2%}.visual-caption{font-size:11px;letter-spacing:.015em;color:#757e88;position:absolute;bottom:0}.metrics{display:grid;grid-template-columns:repeat(4,1fr);padding:30px 12px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.metrics>div{text-align:center;border-right:1px solid var(--line)}.metrics>div:last-child{border:0}.metrics strong{font-size:clamp(25px,2.8vw,39px);font-weight:550;display:block;letter-spacing:-.04em;margin-bottom:10px}.metrics span{font-size:13px;color:var(--muted)}.metric-note{font-size:11px;line-height:1.8;padding-top:14px}.scene{padding-bottom:90px}.scene-photo{margin:0 auto;width:min(1360px,calc(100% - 64px));position:relative}.scene-photo img{border-radius:var(--radius);width:100%;height:auto}.scene-photo figcaption{font-size:11px;color:#747d87;padding-top:12px;text-align:right}.use-list{width:min(1240px,calc(100% - 96px));margin:38px auto 0;display:grid;grid-template-columns:repeat(3,1fr);gap:60px}.use-list .index{display:block;color:var(--blue);font-size:13px;font-weight:600;margin-bottom:14px}.use-list h3{font-size:23px;margin-bottom:12px}.use-list p{font-size:14px;margin:0}.control-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:48px}.feature-card{background:#fff;border-radius:var(--radius);padding:42px 42px 0;overflow:hidden}.feature-symbol{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;color:var(--blue);font-size:16px;font-weight:650;letter-spacing:.08em;margin-bottom:22px}.feature-card h3{font-size:29px;margin-bottom:14px}.feature-card p{font-size:15px;max-width:450px;min-height:84px}.device-crop{position:relative;overflow:hidden;height:285px;width:100%;margin-top:30px}.device-crop img{position:absolute;width:600px;max-width:none;bottom:-180px;left:50%;transform:translateX(-50%)}.device-crop.remote img{width:730px;left:50%;transform:translateX(-20%);bottom:-230px}.device-crop.receiver img{left:50%;transform:translateX(-50%);bottom:-190px}.range{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.range .section-head{text-align:left;padding:0}.range .section-head h2{font-size:clamp(35px,3.6vw,52px)}.lead{font-size:17px;line-height:1.85}.muted{font-size:14px;line-height:1.8;color:var(--muted)}.range-art{padding:70px 40px 48px;border-radius:var(--radius);background:radial-gradient(ellipse at 50% 20%,#f2f7ff,#edf2f8 75%);text-align:center;color:var(--blue)}.range-kicker{display:block;font-size:11px;letter-spacing:.13em;margin-bottom:28px}.range-art strong{display:block;font-size:clamp(40px,4.8vw,66px);font-weight:550;letter-spacing:-.04em;white-space:nowrap}.range-art strong span{font-size:26px;margin-left:6px}.range-line{display:flex;align-items:center;gap:8px;margin:28px 0 10px}.range-line span{font-size:12px}.range-line i{flex:1;border-top:1px dashed #6f97c6}.range-labels{display:flex;justify-content:space-between;font-size:12px}.range-art p{font-size:12px;margin:32px 0 0}.load-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:54px}.load-grid article{background:white;padding:42px 32px;border-radius:var(--radius)}.load-grid strong{display:block;font-size:46px;font-weight:550;color:var(--blue);letter-spacing:-.05em;margin-bottom:25px}.load-grid h3{font-size:22px;margin-bottom:12px}.load-grid p{font-size:14px;margin:0}.load-note{font-size:12px;margin-top:26px;max-width:920px;text-align:center}.configuration-layout{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.configuration-media{border:1px solid #ebedf1;border-radius:var(--radius);padding:20px}.configuration-media img{width:100%;height:auto}.configuration-copy h3{font-size:32px;margin-bottom:28px}.configuration-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}.configuration-option{background:#fff;border:1px solid #d4dae3;color:#46566b;border-radius:12px;padding:16px 10px;font-size:12px;min-height:52px;transition:border-color .2s,background .2s}.configuration-option[aria-pressed=true]{border-color:var(--blue);color:var(--blue);background:#f1f6fd;box-shadow:inset 0 0 0 1px var(--blue)}#configuration-name{font-size:13px;font-weight:600;color:var(--blue);margin:22px 0 14px}.configuration-copy .text-link{display:inline-block;margin-top:14px}.specs-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:90px;margin-top:60px}.model{font-size:31px;color:var(--blue);font-weight:550;margin-bottom:8px;letter-spacing:-.035em}.specs-intro h3{font-size:21px}.specs-intro p:last-child{font-size:14px;max-width:330px}.spec-table{margin:0}.spec-table>div{display:grid;grid-template-columns:40% 60%;gap:0;border-bottom:1px solid #dfe3e9;padding:18px 0;font-size:14px;line-height:1.7}.spec-table>div:first-child{border-top:1px solid #dfe3e9}.spec-table dt{color:var(--muted);padding-right:20px}.spec-table dd{margin:0;font-weight:500}.support-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;margin-top:52px;align-items:start}.wiring-card{border-radius:var(--radius);background:var(--soft);padding:36px}.wiring-card h3{margin-bottom:12px}.wiring-card p{font-size:14px}.terminals{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:28px 0}.terminals>div{display:flex;align-items:center;gap:12px;background:#fff;padding:14px;border-radius:10px;font-size:12px}.terminals b{display:flex;align-items:center;justify-content:center;background:#edf2fa;color:var(--blue);border-radius:50%;width:28px;height:28px;flex-shrink:0}.safety-note{border-top:1px solid #d9dfe8;padding-top:20px;margin:24px 0 0!important;color:#585f6b;font-size:12px!important}.faq details{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;padding:24px 26px 24px 0;font-size:17px;line-height:1.5;position:relative;list-style:none}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:'+';position:absolute;right:2px;top:24px;color:var(--blue)}.faq details[open] summary:after{content:'−'}.faq details p{font-size:14px;margin:0;padding:0 24px 24px 0}.enquiry{background:#eaf0f8;text-align:center;padding-inline:24px}.enquiry h2{margin-bottom:24px}.enquiry p{max-width:650px;margin:0 auto 30px;font-size:16px}.enquiry small{display:block;margin-top:22px;color:#687281;font-size:12px;line-height:1.6}footer{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:42px 5%;border-top:1px solid var(--line)}footer p{font-size:12px;margin:0}footer>a:last-child{font-size:13px;color:var(--blue)}dialog{width:min(540px,calc(100% - 32px));border:0;border-radius:24px;padding:42px;max-height:90vh;overflow:auto;box-shadow:0 20px 100px #0003}dialog::backdrop{background:#101d37a6;backdrop-filter:blur(4px)}.dialog-close{position:absolute;right:16px;top:12px;background:none;border:0;color:#626c7b;font-size:28px}.dialog-title{font-size:32px;margin-bottom:28px}form label{display:block;font-size:13px;margin-bottom:20px}form label>span{display:block;margin-bottom:8px}input,textarea{display:block;width:100%;border:1px solid #cbd2dd;padding:12px;border-radius:10px;background:white;color:var(--ink)}textarea{resize:vertical}form .primary{width:100%}.draft-status{font-size:12px;margin:18px 0 0}html[lang=zh-CN] h2{letter-spacing:-.025em;line-height:1.28}html[lang=zh-CN] .hero h2{font-size:clamp(38px,4.4vw,62px)}
@media(min-width:1600px){.hero{min-height:730px}}
@media(max-width:1000px){.wrap{width:calc(100% - 56px)}.section{padding:76px 0}.hero{width:calc(100% - 56px);padding:55px 0;min-height:0}.hero h2{font-size:46px}.hero .lead{font-size:15px}.actions{gap:18px}.product-nav{gap:20px}.product-nav nav{gap:18px}.range{gap:36px}.range-art{padding:60px 25px 40px}.feature-card{padding:30px 28px 0}.feature-card h3{font-size:24px}.feature-card p{min-height:108px}.specs-layout{gap:40px}.configuration-layout{gap:36px}.support-grid{gap:26px}.load-grid strong{font-size:37px}.load-grid article{padding:32px 24px}.use-list{width:calc(100% - 56px);gap:32px}}
@media(max-width:700px){:root{--header:64px;--radius:20px}html{scroll-padding-top:120px}.wrap{width:calc(100% - 40px)}.section{padding:60px 0}.site-header{padding:0 20px;gap:12px}.brand{width:144px;height:24px}.site-header nav{display:none}.product-nav{padding:12px 20px;gap:10px;flex-wrap:wrap}.product-name{font-size:14px}.product-nav .compact{font-size:12px;padding:8px 16px}.product-nav nav{order:3;width:100%;justify-content:space-between;gap:14px;font-size:12px;padding-top:4px}.hero{display:flex;flex-direction:column;width:calc(100% - 40px);padding:42px 0 34px;gap:12px}.hero-copy{width:100%;text-align:center}.hero .eyebrow{font-size:10px;margin-bottom:18px}.hero h1{font-size:19px;margin-bottom:18px}.hero h2,html[lang=zh-CN] .hero h2{font-size:40px;line-height:1.18}.hero .lead{font-size:14px;margin:0 auto 22px;max-width:340px}.actions{justify-content:center;gap:20px}.primary{padding:13px 22px;font-size:13px}.text-link{font-size:13px}.hero-caption{font-size:10px;margin-top:20px}.hero-visual{width:min(450px,100%);padding:0 0 28px;margin-top:14px}.visual-caption{font-size:10px}.metrics{grid-template-columns:1fr 1fr;padding:0}.metrics>div{padding:25px 12px}.metrics>div:nth-child(2){border-right:0}.metrics>div:nth-child(-n+2){border-bottom:1px solid var(--line)}.metrics strong{font-size:30px}.metrics span{font-size:11px}.metric-note{font-size:10px}.section-head{margin-bottom:20px;padding-inline:0}.section-head h2{font-size:34px}.eyebrow{font-size:10px;margin-bottom:16px}.section-intro{font-size:14px;margin-bottom:30px;padding-inline:20px}.scene .section-head,.soft>.section-head{padding-inline:20px}.scene-photo{width:calc(100% - 24px)}.scene-photo figcaption{font-size:9px;text-align:center;padding-inline:12px}.use-list{width:calc(100% - 40px);grid-template-columns:1fr;gap:24px;margin-top:30px}.use-list article{position:relative;padding-left:42px}.use-list .index{position:absolute;left:0;top:4px}.use-list h3{font-size:21px;margin-bottom:5px}.use-list p{font-size:13px}.control-grid{grid-template-columns:1fr;gap:18px;margin-top:30px}.feature-card{padding:26px 26px 0}.feature-symbol{margin-bottom:12px}.feature-card h3{font-size:26px}.feature-card p{font-size:14px;min-height:0}.device-crop{height:240px;margin-top:15px}.range{grid-template-columns:1fr;gap:26px}.range .section-head h2{font-size:34px}.range .lead{font-size:15px}.range-art{padding:44px 30px 34px}.range-art strong{font-size:52px}.load-grid{grid-template-columns:1fr;gap:14px;margin-top:32px}.load-grid article{padding:27px}.load-grid strong{font-size:38px;margin-bottom:16px}.load-grid h3{font-size:21px;margin-bottom:8px}.load-note{font-size:11px;text-align:left}.configuration-layout{grid-template-columns:1fr;gap:30px}.configuration-copy h3{font-size:27px}.configuration-media{padding:10px}.configuration-options{gap:8px}.configuration-option{padding:14px 8px;font-size:11px}.configuration-copy .muted{font-size:13px}.specs-layout{grid-template-columns:1fr;gap:20px;margin-top:34px}.specs-intro h3{font-size:20px}.specs-intro p:last-child{max-width:none;font-size:13px}.model{font-size:28px}.spec-table>div{font-size:12px;padding:15px 0;grid-template-columns:39% 61%}.spec-table dt{padding-right:12px}.support-grid{grid-template-columns:1fr;gap:24px;margin-top:30px}.wiring-card{padding:25px}.wiring-card h3{font-size:23px}.terminals{gap:8px}.terminals>div{font-size:11px;padding:10px;gap:8px}.faq summary{font-size:15px;padding-block:20px}.faq summary:after{top:20px}.faq details p{font-size:13px}.enquiry{padding:62px 20px}.enquiry h2{font-size:35px}.enquiry p{font-size:14px}.enquiry small{font-size:11px}footer{padding:32px 20px;flex-wrap:wrap;gap:22px}footer p{order:3;width:100%;font-size:11px}dialog{padding:34px 24px}.dialog-title{font-size:27px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
/* Detail crops retain the original product geometry. */
.device-crop.remote{width:200px;max-width:100%;margin-inline:auto}
.device-crop.remote img{width:750px;left:-44px;top:-130px;bottom:auto;transform:none}
.device-crop.receiver{width:330px;max-width:100%;margin-inline:auto}
.device-crop.receiver img{width:750px;left:-240px;top:-110px;bottom:auto;transform:none}
/* Complete product photographs; no offsets, zoom or clipping. */
.feature-card{padding-bottom:26px}
.device-crop,.device-crop.remote,.device-crop.receiver{width:100%;height:auto;max-width:100%;margin:26px auto 0;overflow:visible}
.device-crop img,.device-crop.remote img,.device-crop.receiver img{position:static;width:100%;max-width:100%;height:auto;display:block;object-fit:contain;transform:none;margin:0}
.sku-summary{margin:0 0 22px}
.sku-summary[hidden]{display:none}
.sku-description{font-size:15px;line-height:1.8;margin:0 0 18px;color:#49586b}
.sku-summary dl{margin:0;border-top:1px solid #e2e6eb}
.sku-summary dl>div{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:15px 0;border-bottom:1px solid #e2e6eb;font-size:13px;line-height:1.6}
.sku-summary dt{color:#656d79}.sku-summary dd{margin:0;color:#172b46;font-weight:550}
@media(max-width:700px){.sku-summary dl>div{grid-template-columns:88px 1fr;gap:12px;font-size:12px}.sku-description{font-size:14px}.feature-card{padding-bottom:18px}.device-crop,.device-crop.remote,.device-crop.receiver{margin-top:18px}}
.skip:not(:focus){width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}

/* Whole original component photographs and inline source diagram. */
.device-crop.remote-pair{display:flex;align-items:flex-end;justify-content:center;gap:42px;height:390px;padding-bottom:4px}
.remote-pair figure{margin:0;min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%}
.device-crop.remote-pair img{width:auto;height:310px;max-width:100%;object-fit:contain}
.device-crop.remote-pair figure:nth-child(2) img{height:350px}
.remote-pair figcaption{margin-top:14px;font-size:12px;color:#687382;text-align:center;line-height:1.5}
.device-crop.receiver-display{height:390px;display:flex;align-items:center;justify-content:center}
.device-crop.receiver-display img{height:350px;width:auto;max-width:100%;object-fit:contain}
.support-grid{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:40px}
.wiring-image{display:block;background:#fff;border-radius:16px;overflow:hidden;margin:24px 0 18px;cursor:zoom-in}
.wiring-image img{display:block;width:100%;height:auto;object-fit:contain}
.wiring-card .wiring-directions{color:#003b81;font-weight:650;font-size:17px}
@media(max-width:900px){.device-crop.remote-pair{gap:22px}.device-crop.remote-pair img{height:260px}.device-crop.remote-pair figure:nth-child(2) img{height:300px}.device-crop.remote-pair,.device-crop.receiver-display{height:340px}.device-crop.receiver-display img{height:310px}.support-grid{grid-template-columns:1fr;gap:24px}}
@media(max-width:480px){.device-crop.remote-pair{gap:35px}.wiring-card{padding:24px 18px}.wiring-card .wiring-directions{font-size:16px}}

.specs-product{margin:30px 0 0;width:100%;max-width:430px}.specs-product img{width:100%;height:auto;object-fit:contain;mix-blend-mode:multiply}
@media(max-width:700px){.specs-product{max-width:380px;margin:24px auto 12px}}

/* Three matching application photographs below their descriptions. */
.use-list article{min-width:0;display:flex;flex-direction:column}
.use-list .use-scene-image{width:100%;height:auto;aspect-ratio:4/3;object-fit:contain;border-radius:18px;margin-top:18px;background:#edf1ef}
.use-list article>p{min-height:48px;margin-bottom:0}
@media(max-width:700px){.use-list{gap:32px}.use-list article{padding-left:0}.use-list .index{position:static;margin-bottom:10px}.use-list article>p{min-height:0}.use-list .use-scene-image{margin-top:18px;border-radius:16px}}