:root{--ink:#111827;--muted:#6b7280;--blue:#2563eb;--sky:#38bdf8;--navy:#0f172a;--soft:#f5f7f9;--line:#e5e7eb;--white:#fff;--radius:22px;--shadow:0 18px 50px rgba(15,23,42,.1)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:Manrope,"Noto Sans TC",sans-serif;background:#fff}body.menu-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}img{display:block;max-width:100%}main{overflow:hidden}.container{width:min(1200px,calc(100% - 48px));margin:auto}.section{padding:112px 0}.section-soft{background:var(--soft)}.section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:42px;gap:24px}.section-head h2,.display-title{font-size:clamp(32px,4vw,52px);line-height:1.13;letter-spacing:-.04em;margin:10px 0 0}.section-head p{color:var(--muted);margin:8px 0 0}.eyebrow{font-size:12px;letter-spacing:.18em;font-weight:800;color:var(--blue)}.eyebrow.light{color:#7dd3fc}.link-arrow{font-weight:700;color:var(--blue)}.link-arrow i{transition:.2s}.link-arrow:hover i{transform:translateX(4px)}
.topbar{height:34px;background:var(--navy);color:#cbd5e1;display:flex;align-items:center;justify-content:center;gap:48px;font-size:11px;letter-spacing:.05em}.site-header{height:78px;position:sticky;top:0;z-index:80;background:rgba(255,255,255,.94);border-bottom:1px solid rgba(229,231,235,.8);transition:.3s}.site-header.scrolled{background:rgba(255,255,255,.78);backdrop-filter:blur(18px);box-shadow:0 8px 30px rgba(15,23,42,.07)}.header-inner{height:100%;max-width:1400px;margin:auto;padding:0 28px;display:flex;align-items:center;gap:42px}.logo{display:flex;align-items:center;gap:6px;font-size:20px;letter-spacing:-.04em;white-space:nowrap}.logo span{font-weight:800}.logo em{font-style:normal;font-weight:800;color:var(--blue)}.desktop-nav{display:flex;align-items:center;justify-content:center;gap:25px;flex:1}.desktop-nav a{font-size:13px;font-weight:600;white-space:nowrap;position:relative}.desktop-nav a:after{content:"";position:absolute;left:0;right:100%;bottom:-10px;height:2px;background:var(--blue);transition:.25s}.desktop-nav a:hover:after{right:0}.header-actions{display:flex;gap:4px}.header-icon,.icon-btn{position:relative;width:42px;height:42px;border:0;background:transparent;border-radius:50%;display:grid;place-items:center;font-size:19px}.header-icon:hover,.icon-btn:hover{background:#eef2ff}.header-icon b{position:absolute;right:1px;top:0;min-width:17px;height:17px;background:var(--blue);color:white;border-radius:20px;font-size:10px;display:grid;place-items:center;border:2px solid white}.wishlist-count{background:var(--navy)!important}.menu-toggle{display:none}.search-panel{position:absolute;left:0;right:0;top:100%;background:white;padding:22px;transform:scaleY(0);transform-origin:top;opacity:0;transition:.22s;box-shadow:0 20px 30px rgba(15,23,42,.08)}.search-panel.open{transform:scaleY(1);opacity:1}.search-panel form{max-width:760px;margin:auto;height:54px;display:flex;align-items:center;border:1px solid var(--line);border-radius:14px;padding-left:18px;background:var(--soft)}.search-panel input{flex:1;border:0;outline:0;background:transparent;padding:0 14px}.search-panel button{height:100%;border:0;background:var(--blue);color:white;padding:0 28px;border-radius:0 13px 13px 0}.mobile-menu,.menu-backdrop{display:none}
.hero{height:660px;position:relative;background:var(--navy);color:white}.hero-track{height:100%;display:flex;transition:transform .65s cubic-bezier(.22,1,.36,1)}.hero-slide{min-width:100%;height:100%;position:relative;overflow:hidden}.hero-slide:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,12,26,.95) 0%,rgba(6,12,26,.72) 42%,rgba(6,12,26,.05) 80%)}.hero-slide img{width:100%;height:100%;object-fit:cover}.hero-content{position:absolute;z-index:2;left:max(5vw,calc((100vw - 1200px)/2));top:50%;transform:translateY(-50%);max-width:570px}.hero-kicker{color:#7dd3fc;font-weight:800;letter-spacing:.22em;font-size:12px}.hero h1{font-size:clamp(46px,5.5vw,76px);line-height:1.08;letter-spacing:-.055em;margin:20px 0 22px}.hero h1 span{color:#93c5fd}.hero p{font-size:17px;line-height:1.8;color:#cbd5e1;margin:0 0 34px}.hero-actions{display:flex;gap:12px}.btn{height:50px;padding:0 24px;border:1px solid transparent;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:10px;font-weight:700;font-size:14px;transition:.22s}.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:#1d4ed8;transform:translateY(-2px)}.btn-outline-light{border-color:rgba(255,255,255,.35);color:white;background:rgba(255,255,255,.05)}.btn-outline-light:hover{background:white;color:var(--ink)}.hero-controls{position:absolute;z-index:4;right:max(5vw,calc((100vw - 1200px)/2));bottom:44px;display:flex;align-items:center;gap:15px}.hero-arrow{width:45px;height:45px;border:1px solid rgba(255,255,255,.3);color:white;background:rgba(15,23,42,.3);border-radius:50%}.hero-dots{display:flex;gap:8px}.hero-dot{width:7px;height:7px;border-radius:20px;background:#94a3b8;border:0;padding:0;transition:.3s}.hero-dot.active{width:28px;background:white}.hero-number{font-size:12px;color:#cbd5e1;min-width:38px}
.category-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:15px}.category-card{height:285px;border-radius:18px;overflow:hidden;position:relative;background:#e9edf1;transition:.3s}.category-card img{width:100%;height:100%;object-fit:cover;transition:.55s}.category-card:after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(15,23,42,.88))}.category-copy{position:absolute;z-index:2;bottom:22px;left:22px;right:18px;color:#fff;transform:translateY(24px);transition:.3s}.category-copy h3{margin:0;font-size:20px}.category-copy p{font-size:12px;opacity:0;margin:7px 0 0;line-height:1.6;transition:.3s}.category-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}.category-card:hover img{transform:scale(1.07)}.category-card:hover .category-copy{transform:none}.category-card:hover .category-copy p{opacity:.8}
.feature-stack{display:grid;gap:24px}.feature-banner{min-height:460px;border-radius:26px;overflow:hidden;position:relative}.feature-banner img{position:absolute;width:100%;height:100%;object-fit:cover;transition:.7s}.feature-banner:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,23,42,.88),rgba(15,23,42,.08) 70%)}.feature-copy{position:absolute;z-index:2;top:50%;left:7%;transform:translateY(-50%);color:white;max-width:400px}.feature-copy h2{font-size:46px;letter-spacing:-.04em;margin:12px 0}.feature-copy p{color:#cbd5e1;line-height:1.8;margin-bottom:28px}.feature-banner:hover img{transform:scale(1.035)}.feature-split{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}.feature-split .feature-banner{min-height:540px}.feature-banner.light:after{background:linear-gradient(0deg,rgba(15,23,42,.85),transparent 75%)}.feature-banner.light .feature-copy{top:auto;left:38px;right:38px;bottom:35px;transform:none}.feature-banner.light .feature-copy h2{font-size:36px}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.product-card{border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden;transition:.3s}.product-card:hover{transform:translateY(-7px);box-shadow:var(--shadow);border-color:transparent}.product-media{height:275px;background:#f3f5f7;position:relative;overflow:hidden}.product-media img{width:100%;height:100%;object-fit:cover;transition:.5s}.product-card:hover .product-media img{transform:scale(1.055)}.tag{position:absolute;z-index:2;top:15px;left:15px;background:var(--navy);color:#fff;border-radius:5px;padding:6px 9px;font-size:10px;font-weight:800;letter-spacing:.08em}.wishlist-btn{position:absolute;z-index:3;right:10px;top:10px;background:rgba(255,255,255,.9);font-size:17px}.wishlist-btn.active{color:#ef4444}.product-info{padding:20px}.product-brand{font-size:10px;color:var(--blue);font-weight:800;letter-spacing:.14em}.product-info h3{font-size:16px;margin:8px 0;line-height:1.45}.product-spec{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.rating{font-size:12px;margin:14px 0;color:#f59e0b}.rating span{color:#9ca3af}.product-bottom{display:flex;align-items:end;justify-content:space-between;gap:8px}.product-bottom strong{display:block;font-size:18px}.old-price{font-size:11px;color:#9ca3af;text-decoration:line-through}.card-actions{display:flex;gap:6px}.compare-btn,.add-cart{height:42px;min-width:42px;border:0;border-radius:9px;display:flex;gap:8px;align-items:center;justify-content:center}.compare-btn{background:#eef1f4;color:var(--navy)}.compare-btn.active{background:#dbeafe;color:var(--blue)}.add-cart{background:var(--navy);color:#fff;padding:0 12px}.add-cart span{font-size:0;max-width:0;overflow:hidden;transition:.25s}.product-card:hover .add-cart span{font-size:12px;max-width:90px}
.smart-zone{background:var(--navy);color:#fff;padding:120px 0}.smart-layout{display:grid;grid-template-columns:360px 1fr;gap:64px;align-items:center}.smart-copy h2{font-size:54px;letter-spacing:-.05em;margin:15px 0}.smart-copy p{color:#94a3b8;line-height:1.8}.smart-stats{display:grid;grid-template-columns:1fr 1fr;margin:35px 0;gap:15px}.smart-stats strong{font-size:28px;display:block}.smart-stats span{font-size:11px;color:#94a3b8}.smart-scene{height:570px;border-radius:26px;overflow:hidden;position:relative}.smart-scene>img{width:100%;height:100%;object-fit:cover}.hotspot{position:absolute;width:28px;height:28px;border:6px solid rgba(255,255,255,.55);border-radius:50%;background:var(--blue);box-shadow:0 0 0 0 rgba(56,189,248,.7);animation:pulse 2s infinite}.hotspot:nth-of-type(1){top:38%;left:48%}.hotspot:nth-of-type(2){top:20%;left:78%}.hotspot:nth-of-type(3){top:78%;left:60%}.hotspot:nth-of-type(4){top:58%;left:20%}.hotspot-card{position:absolute;z-index:5;width:220px;background:#fff;color:var(--ink);padding:17px;border-radius:13px;box-shadow:var(--shadow);opacity:0;pointer-events:none;transform:translateY(10px);transition:.22s}.hotspot-card.show{opacity:1;transform:none;pointer-events:auto}.hotspot-card strong,.hotspot-card span{display:block}.hotspot-card span{font-size:11px;color:var(--muted);margin:4px 0 10px}.hotspot-card a{font-size:12px;color:var(--blue);font-weight:700}@keyframes pulse{70%{box-shadow:0 0 0 16px rgba(56,189,248,0)}100%{box-shadow:0 0 0 0 rgba(56,189,248,0)}}
.energy{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}.energy-visual{background:#eaf0f4;border-radius:26px;min-height:520px;position:relative;overflow:hidden}.energy-visual img{width:100%;height:520px;object-fit:cover}.energy-card{position:absolute;right:25px;bottom:25px;width:245px;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-radius:18px;padding:22px;box-shadow:var(--shadow)}.energy-score{display:flex;justify-content:space-between;align-items:center}.energy-score b{font-size:44px;color:#16a34a}.energy-score span{font-size:12px;color:var(--muted)}.energy-bar{height:6px;background:#e5e7eb;border-radius:6px;margin:15px 0}.energy-bar i{display:block;width:88%;height:100%;background:#22c55e;border-radius:6px}.energy-copy h2{font-size:48px;letter-spacing:-.04em}.energy-points{display:grid;gap:8px;margin:28px 0}.energy-points div{border-bottom:1px solid var(--line);padding:16px 0;display:flex;align-items:center;gap:13px}.energy-points i{color:#16a34a}.energy-points span{font-size:13px;color:var(--muted);margin-left:auto}
.new-scroll{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(320px,33%);overflow-x:auto;gap:18px;padding-bottom:18px;scroll-snap-type:x mandatory}.new-card{scroll-snap-align:start;position:relative;height:460px;border-radius:22px;overflow:hidden;background:#eef1f4}.new-card img{height:100%;width:100%;object-fit:cover;transition:.5s}.new-card:after{content:"";position:absolute;inset:45% 0 0;background:linear-gradient(transparent,rgba(15,23,42,.9))}.new-info{position:absolute;z-index:2;bottom:0;padding:28px;color:#fff}.new-info span{font-size:10px;letter-spacing:.15em}.new-info h3{margin:9px 0;font-size:22px}.new-info strong{color:#93c5fd}.new-card:hover img{transform:scale(1.05)}
.brand-row{display:grid;grid-template-columns:repeat(6,1fr);border:1px solid var(--line);border-radius:18px;overflow:hidden}.brand-logo{height:110px;border:0;border-right:1px solid var(--line);background:white;font-weight:800;font-size:20px;letter-spacing:.11em;color:#475569;transition:.2s}.brand-logo:last-child{border:0}.brand-logo:hover,.brand-logo.active{background:var(--navy);color:white}.comparison-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:18px}.comparison{width:100%;min-width:760px;border-collapse:collapse}.comparison th,.comparison td{padding:20px 24px;border-bottom:1px solid var(--line);text-align:left;font-size:13px}.comparison thead th{background:var(--navy);color:#fff}.comparison th:first-child{width:190px;color:var(--muted);font-weight:600}.comparison thead th:first-child{color:white}.comparison .price{color:var(--blue);font-size:18px}.services-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.service-item{padding:32px;border:1px solid var(--line);border-radius:16px}.service-item i{font-size:28px;color:var(--blue)}.service-item h3{font-size:16px;margin:22px 0 8px}.service-item p{font-size:12px;color:var(--muted);line-height:1.7;margin:0}.review-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}.review{background:white;border:1px solid var(--line);border-radius:18px;padding:30px}.review:first-child{background:var(--navy);color:white}.review .stars{color:#f59e0b}.review blockquote{margin:22px 0;line-height:1.9;font-size:15px}.review small{color:#94a3b8}.faq-list{max-width:860px;margin:auto}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;padding:23px 0;display:flex;justify-content:space-between;border:0;background:transparent;font-weight:700;text-align:left}.faq-answer{max-height:0;overflow:hidden;transition:.35s;color:var(--muted);font-size:14px;line-height:1.8}.faq-item.open .faq-answer{max-height:180px;padding-bottom:22px}.faq-item.open .faq-question i{transform:rotate(45deg)}
.newsletter{background:var(--blue);color:#fff;padding:65px max(5vw,calc((100vw - 1200px)/2));display:flex;justify-content:space-between;align-items:center;gap:50px}.newsletter h2{font-size:32px;margin:8px 0}.newsletter p{color:#dbeafe;margin:0}.newsletter-form{display:flex;width:450px;height:56px;background:#fff;border-radius:10px;overflow:hidden}.newsletter-form input{border:0;outline:0;padding:0 18px;flex:1;min-width:0}.newsletter-form button{border:0;background:var(--navy);color:white;padding:0 20px;font-weight:700}.footer{background:#080d18;color:#fff;padding:78px max(5vw,calc((100vw - 1200px)/2)) 25px}.footer-top{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:80px}.logo-light span{color:white}.footer-brand p{max-width:330px;color:#94a3b8;font-size:13px;line-height:1.8}.social{display:flex;gap:8px;margin-top:25px}.social a{width:38px;height:38px;border:1px solid #263143;border-radius:50%;display:grid;place-items:center}.footer h4{font-size:13px;margin:0 0 24px}.footer-top>div:not(:first-child){display:flex;flex-direction:column}.footer-top>div:not(:first-child) a{color:#94a3b8;font-size:12px;margin-bottom:13px}.footer-bottom{border-top:1px solid #1e293b;margin-top:60px;padding-top:24px;color:#64748b;font-size:10px;display:flex;justify-content:space-between}.toast{position:fixed;z-index:120;right:25px;bottom:25px;background:var(--navy);color:white;padding:14px 20px;border-radius:10px;display:flex;align-items:center;gap:10px;transform:translateY(100px);opacity:0;transition:.3s}.toast.show{transform:none;opacity:1}.toast i{color:#4ade80}.quick-modal{position:fixed;z-index:150;inset:0;background:rgba(15,23,42,.65);display:grid;place-items:center;opacity:0;pointer-events:none;transition:.25s}.quick-modal.open{opacity:1;pointer-events:auto}.modal-card{background:#fff;border-radius:20px;padding:32px;max-width:520px;width:calc(100% - 32px);position:relative}.modal-close{position:absolute;right:15px;top:15px;border:0;background:transparent}
/* Inner pages */.page-hero{background:var(--navy);color:#fff;padding:88px 0}.page-hero h1{font-size:52px;margin:12px 0}.page-hero p{color:#94a3b8;max-width:620px;line-height:1.8}.breadcrumbs{font-size:11px;color:#94a3b8}.products-layout{display:grid;grid-template-columns:250px 1fr;gap:46px}.filters{border-right:1px solid var(--line);padding-right:30px}.filter-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.filter-group{border-top:1px solid var(--line);padding:22px 0}.filter-group h4{font-size:13px;margin:0 0 14px}.check{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:12px;margin:11px 0}.check input{accent-color:var(--blue)}.range-row{display:flex;gap:6px}.range-row input{width:50%;height:40px;border:1px solid var(--line);border-radius:6px;padding:8px}.products-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.products-top span{font-size:13px;color:var(--muted)}.products-top select{height:44px;border:1px solid var(--line);border-radius:8px;padding:0 35px 0 12px;background:#fff}.products-main .product-grid{grid-template-columns:repeat(3,1fr)}.filter-mobile{display:none}.empty-state{grid-column:1/-1;text-align:center;padding:80px;color:var(--muted)}
.product-detail{display:grid;grid-template-columns:1.08fr .92fr;gap:75px;padding:70px 0}.gallery-main{height:620px;background:var(--soft);border-radius:22px;overflow:hidden}.gallery-main img{width:100%;height:100%;object-fit:cover}.thumbs{display:flex;gap:10px;margin-top:12px}.thumb{width:82px;height:82px;border:2px solid transparent;border-radius:9px;overflow:hidden;padding:0}.thumb.active{border-color:var(--blue)}.thumb img{width:100%;height:100%;object-fit:cover}.detail-brand{color:var(--blue);font-size:11px;font-weight:800;letter-spacing:.15em}.detail-info h1{font-size:38px;letter-spacing:-.04em;line-height:1.3;margin:15px 0}.detail-price{font-size:30px;font-weight:800;margin:25px 0}.detail-price del{font-size:14px;color:#9ca3af;margin-left:10px}.promo-box{background:#eff6ff;border-radius:10px;padding:16px;color:#1e40af;font-size:12px;line-height:1.8}.option-block{margin:25px 0}.option-block label{font-size:12px;font-weight:700;display:block;margin-bottom:10px}.option-list{display:flex;gap:8px}.option{height:42px;padding:0 16px;border:1px solid var(--line);border-radius:8px;background:#fff}.option.active{border-color:var(--blue);color:var(--blue);background:#eff6ff}.purchase-row{display:flex;gap:10px;margin-top:28px}.quantity{height:52px;display:flex;border:1px solid var(--line);border-radius:9px}.quantity button{width:42px;border:0;background:#fff}.quantity input{width:40px;border:0;text-align:center}.purchase-row .btn{flex:1;height:52px}.btn-dark{background:var(--navy);color:white}.detail-wishlist{width:52px;border:1px solid var(--line);background:white;border-radius:9px}.trust-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:30px}.trust-list div{font-size:11px;color:var(--muted)}.trust-list i{color:var(--blue);margin-right:7px}.tabs-nav{display:flex;border-bottom:1px solid var(--line);overflow-x:auto}.tab-btn{background:transparent;border:0;border-bottom:3px solid transparent;padding:20px 30px;white-space:nowrap;font-weight:700;font-size:13px}.tab-btn.active{color:var(--blue);border-color:var(--blue)}.tab-panel{display:none;padding:45px 0;line-height:1.8;color:var(--muted)}.tab-panel.active{display:block}.spec-table{width:100%;border-collapse:collapse}.spec-table td{padding:15px;border-bottom:1px solid var(--line);font-size:13px}.spec-table td:first-child{width:220px;color:var(--ink);font-weight:700}
.cart-layout{display:grid;grid-template-columns:1fr 380px;gap:50px}.cart-item{display:grid;grid-template-columns:120px 1fr auto auto 35px;gap:20px;align-items:center;border-bottom:1px solid var(--line);padding:22px 0}.cart-item img{width:120px;height:110px;object-fit:cover;border-radius:12px;background:var(--soft)}.cart-item h3{font-size:15px;margin:0 0 7px}.cart-item p{font-size:11px;color:var(--muted)}.remove-item{border:0;background:transparent;color:#9ca3af}.cart-summary{background:var(--soft);padding:30px;border-radius:18px;height:max-content;position:sticky;top:110px}.cart-summary h2{margin-top:0}.summary-row{display:flex;justify-content:space-between;font-size:13px;padding:12px 0}.summary-row.total{border-top:1px solid #cbd5e1;margin-top:10px;padding-top:22px;font-size:18px;font-weight:800}.cart-summary .btn{width:100%;margin-top:20px}.content-page{max-width:900px;margin:auto}.prose h2{margin-top:45px}.prose p{color:var(--muted);line-height:1.9}.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}.contact-card{background:var(--navy);color:#fff;border-radius:22px;padding:42px}.contact-card p{color:#94a3b8}.contact-detail{margin-top:35px;display:flex;gap:13px}.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:16px}.contact-form label{font-size:12px;font-weight:700}.contact-form input,.contact-form textarea,.contact-form select{width:100%;border:1px solid var(--line);border-radius:9px;padding:14px;margin-top:7px}.contact-form .full{grid-column:1/-1}.contact-form textarea{height:140px}.brand-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.brand-card{background:var(--soft);border-radius:18px;padding:35px;min-height:230px}.brand-card strong{font-size:28px;letter-spacing:.12em}.brand-card p{color:var(--muted);font-size:13px;line-height:1.7}.brand-card a{color:var(--blue);font-size:12px;font-weight:700}.service-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.service-card{border:1px solid var(--line);border-radius:20px;padding:40px}.service-card i{font-size:35px;color:var(--blue)}.service-card p{color:var(--muted);line-height:1.8}.smart-page-scene{height:680px;border-radius:24px;overflow:hidden;position:relative}.smart-page-scene>img{width:100%;height:100%;object-fit:cover}
@media(max-width:1100px){.desktop-nav{gap:15px}.desktop-nav a{font-size:11px}.category-grid{grid-template-columns:repeat(3,1fr)}.product-grid{grid-template-columns:repeat(3,1fr)}.smart-layout{grid-template-columns:1fr}.smart-copy{max-width:700px}.products-main .product-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){.topbar span:last-child,.desktop-nav,.desktop-only{display:none}.menu-toggle{display:grid}.header-inner{padding:0 18px}.header-actions{margin-left:auto}.mobile-menu{display:block;position:fixed;z-index:110;right:0;top:0;bottom:0;width:min(360px,86vw);background:#fff;padding:25px;transform:translateX(105%);transition:.35s}.mobile-menu.open{transform:none}.mobile-menu-head{display:flex;justify-content:space-between;align-items:center}.menu-close{width:40px;height:40px;border:0;background:var(--soft);border-radius:50%}.mobile-menu nav{display:flex;flex-direction:column;margin-top:35px}.mobile-menu nav a{padding:16px 5px;border-bottom:1px solid var(--line);font-weight:700}.menu-backdrop{display:block;position:fixed;z-index:105;inset:0;background:rgba(15,23,42,.5);opacity:0;pointer-events:none;transition:.3s}.menu-backdrop.open{opacity:1;pointer-events:auto}.section{padding:80px 0}.container{width:min(100% - 32px,1200px)}.hero{height:620px}.hero-slide:after{background:linear-gradient(0deg,rgba(6,12,26,.98) 0%,rgba(6,12,26,.55) 75%,rgba(6,12,26,.15))}.hero-content{left:24px;right:24px;top:auto;bottom:100px;transform:none}.hero h1{font-size:48px}.hero-controls{right:22px;bottom:32px}.category-grid{display:flex;overflow-x:auto;margin-right:-16px;padding-right:16px;scroll-snap-type:x mandatory}.category-card{min-width:240px;scroll-snap-align:start}.feature-split{grid-template-columns:1fr}.feature-split .feature-banner{min-height:470px}.product-grid{grid-template-columns:repeat(2,1fr)}.smart-zone{padding:80px 0}.smart-scene{height:500px}.energy{grid-template-columns:1fr;gap:40px}.new-scroll{grid-auto-columns:65%}.brand-row{grid-template-columns:repeat(3,1fr)}.brand-logo{border-bottom:1px solid var(--line)}.services-row{grid-template-columns:1fr 1fr}.review-grid{grid-template-columns:1fr}.newsletter{flex-direction:column;align-items:flex-start}.newsletter-form{width:100%}.footer-top{grid-template-columns:1.5fr 1fr 1fr;gap:40px}.footer-brand{grid-column:1/-1}.products-layout{display:block}.filters{position:fixed;z-index:100;left:0;top:0;bottom:0;width:min(360px,88vw);background:#fff;padding:30px;overflow:auto;transform:translateX(-105%);transition:.3s;border:0}.filters.open{transform:none}.filter-mobile{display:inline-flex}.products-main .product-grid{grid-template-columns:repeat(2,1fr)}.product-detail{grid-template-columns:1fr;gap:40px}.gallery-main{height:500px}.cart-layout{grid-template-columns:1fr}.cart-summary{position:static}.contact-grid{grid-template-columns:1fr}.brand-cards{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.topbar{height:30px}.site-header{height:66px}.header-icon{width:38px}.section{padding:64px 0}.section-head{align-items:flex-start;flex-direction:column;margin-bottom:28px}.section-head h2{font-size:34px}.hero{height:590px}.hero h1{font-size:40px}.hero p{font-size:14px}.hero-actions{width:100%}.hero-actions .btn{padding:0 14px;flex:1}.category-card{min-width:210px;height:250px}.feature-banner,.feature-split .feature-banner{min-height:430px}.feature-copy{left:28px;right:25px}.feature-copy h2{font-size:34px}.product-grid,.products-main .product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.product-media{height:190px}.product-info{padding:13px}.product-info h3{font-size:13px;min-height:38px}.product-spec{font-size:10px}.product-bottom{align-items:center}.product-bottom strong{font-size:13px}.product-card:hover .add-cart span{display:none}.compare-btn,.add-cart{height:36px;min-width:36px;padding:0;width:36px}.card-actions{gap:4px}.smart-copy h2{font-size:42px}.smart-scene{height:430px}.energy-visual,.energy-visual img{height:420px;min-height:420px}.energy-card{right:14px;left:14px;width:auto}.energy-copy h2{font-size:38px}.new-scroll{grid-auto-columns:85%}.new-card{height:400px}.brand-logo{font-size:15px}.services-row{grid-template-columns:1fr}.service-item{padding:24px}.newsletter{padding:50px 20px}.newsletter h2{font-size:27px}.newsletter-form button{padding:0 14px}.footer{padding:60px 20px 20px}.footer-top{grid-template-columns:1fr 1fr;gap:35px}.footer-bottom{flex-direction:column;gap:8px}.page-hero{padding:60px 0}.page-hero h1{font-size:40px}.cart-item{grid-template-columns:85px 1fr auto}.cart-item img{width:85px;height:85px}.cart-item>.quantity{grid-column:2}.cart-item>.item-total{grid-column:3;grid-row:1}.cart-item>.remove-item{grid-column:3;grid-row:2}.gallery-main{height:390px}.detail-info h1{font-size:30px}.purchase-row{flex-wrap:wrap}.purchase-row .quantity{width:100%;justify-content:space-between}.trust-list{grid-template-columns:1fr}.tabs-nav{margin-right:-16px}.tab-btn{padding:17px}.spec-table td:first-child{width:120px}.contact-form{grid-template-columns:1fr}.contact-form .full{grid-column:auto}.brand-cards,.service-grid{grid-template-columns:1fr}.smart-page-scene{height:520px}}
@media(max-width:360px){.product-grid,.products-main .product-grid{grid-template-columns:1fr}.product-media{height:270px}}

/* Multilingual extension — appended without changing the original design system */
.language-switcher{position:relative;display:flex;align-items:center;justify-content:center;margin-left:2px}.language-trigger{width:40px;height:40px;border:1px solid transparent;border-radius:50%;background:transparent;color:var(--ink);display:grid;place-items:center;font-size:18px;transition:.2s}.language-trigger:hover,.language-trigger[aria-expanded="true"]{background:#eef2ff;border-color:#dbeafe;color:var(--blue)}.language-menu{position:absolute;z-index:120;top:48px;right:0;min-width:132px;padding:7px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 14px 35px rgba(15,23,42,.14);opacity:0;visibility:hidden;transform:translateY(-5px);transition:.2s}.language-menu.open{opacity:1;visibility:visible;transform:none}.language-option{display:block;width:100%;border:0;border-radius:8px;background:transparent;color:var(--ink);padding:10px 12px;text-align:left;font-size:12px;cursor:pointer}.language-option:hover,.language-option[aria-current="true"]{background:#eff6ff;color:var(--blue);font-weight:700}.language-option[aria-current="true"]:after{content:"✓";float:right}.mobile-language{display:none;margin:24px 0 5px;justify-content:flex-start}.mobile-language .language-trigger{width:46px;height:46px;background:var(--soft);border-radius:10px}.mobile-language .language-menu{top:52px;left:0;right:auto;min-width:160px}html.i18n-loading body{opacity:0}body{transition:opacity .12s ease}@media(max-width:1220px){.header-inner>.language-switcher{display:none}}@media(max-width:820px){.mobile-language{display:flex}}

@media(max-width:820px){.mobile-language{display:flex;margin:0;justify-content:center;flex:0 0 auto}.mobile-language .language-trigger{width:38px;height:42px;background:transparent;border-radius:50%}.mobile-language .language-menu{top:48px;left:auto;right:0;min-width:160px}}