:root{--bg:#fff;--ink:#10241a;--muted:#65736b;--line:#e4ebe7;--brand:#1e6b45;--brand2:#144c31;--accent:#f0a326;--dark:#0b2117;--soft:#f3f7f4;--max:1320px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:'Open Sans',sans-serif;color:var(--ink);background:var(--bg);line-height:1.72}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}.container{width:min(var(--max),calc(100% - 48px));margin:auto}.narrow{max-width:920px}.topbar{background:var(--dark);color:#fff;font-size:13px}.topbar-inner{height:38px;display:flex;justify-content:space-between;align-items:center}.site-header{position:sticky;top:0;z-index:1000;background:#fff;box-shadow:0 4px 22px rgba(5,31,20,.09)}.nav-inner{min-height:78px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;font-size:25px;font-weight:800;letter-spacing:1.8px}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:10px;background:var(--brand);color:#fff;font-weight:800}.main-nav{display:flex;align-items:center;gap:24px;font-weight:700;font-size:14px}.main-nav>a{padding:28px 0}.menu-toggle{display:none}.category-nav{border-top:1px solid var(--line);background:#fbfdfb}.category-nav-inner{display:flex;gap:22px;overflow-x:auto;scrollbar-width:none;padding:10px 0}.category-nav-inner::-webkit-scrollbar{display:none}.category-nav a{font-size:12px;font-weight:800;white-space:nowrap;color:#375247}.category-nav a:hover{color:var(--brand)}.hero-slider{height:620px;position:relative;overflow:hidden;background:var(--dark)}.slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .7s ease}.slide.active{opacity:1;visibility:visible}.slide picture,.slide-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.slide-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,20,13,.70),rgba(4,20,13,.20) 55%,rgba(4,20,13,.30))}.slide-content{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;color:#fff;padding:40px;z-index:2}.slide-content h1{font-size:52px;line-height:1.08;margin:0 0 12px;max-width:960px}.slide-content h2{font-size:25px;margin:0 0 14px}.slide-content p{max-width:760px;font-size:18px;color:#edf6f0}.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--brand);color:#fff!important;padding:13px 22px;border-radius:8px;font-weight:800;margin-top:12px}.btn:hover{background:var(--brand2)}.btn.full{width:100%}.slider-dots{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:3}.dot{width:10px;height:10px;border:0;border-radius:99px;background:#fff8;cursor:pointer}.dot.active{width:34px;background:#fff}.section{padding:82px 0}.section.soft{background:var(--soft)}.section.dark{background:var(--dark);color:#fff}.section-head{text-align:center;max-width:820px;margin:0 auto 40px}.section-head span{color:var(--brand);font-weight:800;letter-spacing:2px;font-size:12px}.section.dark .section-head span{color:#8cd3ab}.section-head h2{font-size:38px;margin:8px 0 10px}.section-head p{color:var(--muted)}.section-head.light p{color:#c4d3ca}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.category-cards{grid-template-columns:repeat(3,1fr)}.card{border:1px solid var(--line);padding:25px;border-radius:12px;background:#fff;transition:.25s;overflow:hidden}.card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(5,35,22,.08);border-color:#cbded2}.card h3{font-size:18px}.card p{font-size:14px;color:var(--muted)}.image-card{padding:0}.image-card picture img{aspect-ratio:2.5/1;object-fit:cover;width:100%}.image-card h3,.image-card p{padding-left:20px;padding-right:20px}.image-card h3{margin-top:18px}.image-card p{padding-bottom:18px}.sector-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#ffffff22}.sector-grid>div{background:var(--dark);padding:30px}.sector-grid p{color:#c8d5cd}.page-hero{background:linear-gradient(135deg,#0b2117,#274c38);color:#fff;padding:68px 0;position:relative;overflow:hidden}.image-hero{min-height:390px;display:flex;align-items:center}.page-hero picture,.page-hero-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.page-hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,23,15,.80),rgba(5,23,15,.28))}.hero-front{position:relative;z-index:2}.page-hero h1{font-size:44px;margin:10px 0}.page-hero p{margin:0;color:#dcebe2}.breadcrumb{display:flex;gap:9px;flex-wrap:wrap;font-size:13px;color:#d5e4db}.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:50px}.article-body h2{font-size:29px;line-height:1.25;margin-top:42px}.article-body h3{font-size:18px}.article-body p{color:#394d42}.process-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.process-grid>div{padding:20px;border:1px solid var(--line);border-radius:10px;background:var(--soft)}.inline-real-banner{margin:36px 0;border-radius:14px;overflow:hidden}.inline-real-banner img{width:100%;aspect-ratio:2.5/1;object-fit:cover}.cta-production{margin:36px 0;padding:28px;background:var(--dark);color:#fff;border-radius:12px;display:grid;gap:8px;position:relative;overflow:hidden}.cta-production:before{content:'';position:absolute;inset:-40%;background:radial-gradient(circle,#4db67c44,transparent 60%);animation:pulseGlow 2.2s infinite}.cta-production>*{position:relative}.cta-production strong{font-size:24px}.cta-production a{color:#fff;font-weight:800}.sidebar .sticky-box{position:sticky;top:155px;border:1px solid var(--line);border-radius:10px;padding:22px;background:#fff}.model-item{font-size:13px;padding:10px 0;border-bottom:1px solid var(--line)}.faq details{border:1px solid var(--line);border-radius:8px;margin:10px 0;background:#fff}.faq summary{cursor:pointer;padding:16px 18px;font-weight:800}.faq details p{padding:0 18px 18px;margin:0;color:var(--muted)}.regions-section{padding:58px 0 86px;background:var(--soft)}.region-links,.type-links{display:flex;flex-wrap:wrap;gap:8px}.region-links a,.type-links a{font-size:12px;padding:8px 11px;background:#fff;border:1px solid var(--line);border-radius:99px}.region-links a:hover,.type-links a:hover{border-color:var(--brand);color:var(--brand)}.category-block{padding:26px 0;border-bottom:1px solid var(--line)}.category-block h2 a{color:var(--brand)}.related{margin-top:42px}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.contact-grid>div{padding:32px;border:1px solid var(--line);border-radius:10px}.footer{background:#07180f;color:#dbe7df;padding:65px 0 0}.footer-grid{display:grid;grid-template-columns:1.3fr .7fr 1fr;gap:45px}.footer h3{color:#fff}.footer a{display:block;margin:7px 0}.footer p{color:#9fb2a6}.footer-brand{color:#fff}.copyright{margin-top:45px;border-top:1px solid #ffffff16;padding:20px;text-align:center;font-size:13px;color:#8ca095}.mobile-actions{display:none}@keyframes pulseGlow{0%,100%{opacity:.35;transform:scale(.95)}50%{opacity:1;transform:scale(1.08)}}.service-cards{grid-template-columns:repeat(3,1fr)}
.service-card picture{display:block;margin:-25px -25px 18px}
.service-card picture img{display:block;width:calc(100% + 50px);max-width:none;height:auto;aspect-ratio:2.5/1;object-fit:cover}
.heater-showcase{margin:42px 0 34px;padding:30px;border:1px solid var(--line);border-radius:14px;background:var(--soft)}
.section-mini-head span{font-size:12px;font-weight:800;letter-spacing:1.5px;color:var(--brand)}
.section-mini-head h2{margin:7px 0 8px;font-size:28px}.section-mini-head p{margin:0 0 22px;color:var(--muted)}
.heater-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.heater-card{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}.heater-card img{display:block;width:100%;aspect-ratio:1/1;object-fit:contain;background:#fff}.heater-card h3{font-size:14px;line-height:1.35;margin:12px 12px 4px}.heater-card p{font-size:12px;color:var(--brand);font-weight:800;margin:0 12px 14px}
.home-services{padding-top:68px;padding-bottom:72px;background:#fff}
.home-services .service-card{position:relative;overflow:hidden;border-radius:14px;background:#fff}
.home-services .service-card picture{display:block;margin:0}
.home-services .service-card picture img{width:100%;height:auto;aspect-ratio:2.5/1;object-fit:cover;transition:transform .35s ease}
.home-services .service-card:hover picture img{transform:scale(1.04)}
.home-services .service-card h3{margin:18px 20px 8px;padding:0}
.home-services .service-card p{margin:0;padding:0 20px 20px}