:root{--bg-dark:#06080b;--bg-dark-elevated:#0b0f14;--bg-dark-card:#10161d;--bg-dark-border:rgba(180, 211, 226, 0.13);--text-primary:#f7fbfd;--text-secondary:#a9b8c3;--text-muted:#70818d;--accent:#56dcff;--accent-dim:#20bce5;--accent-glow:rgba(86, 220, 255, 0.14);--surface-light:#f3f8fb;--surface-light-card:#ffffff;--surface-light-border:#d8e6ee;--surface-light-text:#10202d;--surface-light-muted:#587080;--radius-sm:7px;--radius-md:12px;--radius-lg:20px;--font-stack:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;--transition:0.3s cubic-bezier(0.4, 0, 0.2, 1);--max-width:1280px}*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-stack);background:var(--bg-dark);color:var(--text-secondary);line-height:1.68;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}.container{max-width:var(--max-width);margin:0 auto;padding:0 32px}h1,h2,h3,h4{color:var(--text-primary);font-weight:700;line-height:1.18}h1{font-size:clamp(2.5rem,5vw,4rem);letter-spacing:-.03em}h2{font-size:clamp(2rem,4vw,3.35rem);letter-spacing:-.035em}h3{font-size:1.25rem}a{color:var(--accent);text-decoration:none;transition:color var(--transition)}a:hover{color:var(--accent-dim)}.section{position:relative;padding:128px 0}.section-alt{background:linear-gradient(180deg,#0b0f14 0%,#080c10 100%)}.section-title{margin-bottom:16px;text-align:center}.section-label{display:block;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.2em;color:var(--accent);margin-bottom:16px;text-align:center}.section-text{color:var(--text-secondary);font-size:1.05rem;line-height:1.75;max-width:700px;margin:0 auto 48px;text-align:center}.badge{display:inline-block;padding:4px 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h3{margin-bottom:10px;font-size:1.05rem}.catalog-faq-item p{color:var(--text-secondary);font-size:.92rem;line-height:1.7}.category-support-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}.category-support .btn{margin-top:10px}.cta-card p{color:var(--text-secondary);line-height:1.7;margin:-8px 0 24px}.cta-section{text-align:center}.cta-card{max-width:760px;margin:0 auto;padding:64px 48px;background:radial-gradient(circle at 50% 0%,rgba(86,220,255,.12),transparent 55%),linear-gradient(145deg,#111820,#0a0e13);border:1px solid rgba(86,220,255,.18);border-radius:var(--radius-lg);box-shadow:0 30px 90px rgba(0,0,0,.26)}.cta-card h2{margin-bottom:24px;font-size:1.5rem}.footer{background:#05070a;border-top:1px solid var(--bg-dark-border);padding:76px 0 30px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}.footer-logo-img{height:48px;width:auto}.footer-col h4{font-size:1rem;margin-bottom:0;color:var(--text-primary)}.footer-col p{color:var(--text-muted);font-size:.9rem;margin-bottom:16px}.footer-col ul{list-style:none}.footer-col ul li{margin-bottom:10px}.footer-col ul li a{color:var(--text-muted);font-size:.9rem}.footer-col ul li a:hover{color:var(--accent)}.footer-social{display:flex;gap:16px}.footer-social a{width:36px;height:36px;background:var(--bg-dark);border:1px solid var(--bg-dark-border);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);font-size:.9rem;transition:all var(--transition)}.footer-social a:hover{border-color:var(--accent);color:var(--accent)}.footer-bottom{padding-top:24px;border-top:1px solid var(--bg-dark-border);text-align:center;color:var(--text-muted);font-size:.85rem}.footer-company{color:var(--text-secondary);font-weight:500;margin-bottom:4px}.footer-phone{color:var(--text-muted);margin-bottom:8px}.footer-phone i{color:var(--accent);margin-right:4px;font-size:.75rem}.footer-copyright{color:var(--text-muted);font-size:.8rem}.page{min-height:60vh;padding-top:120px}.page-content{max-width:800px;margin-top:32px;color:var(--text-secondary);line-height:1.8}.page-content h2{color:var(--text-primary);margin:32px 0 12px;font-size:1.5rem}.page-content p{margin-bottom:16px}.not-found{min-height:70vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:160px 0 100px}.not-found-code{color:var(--accent);font-size:clamp(5rem,16vw,10rem);font-weight:900;line-height:.9;letter-spacing:-.08em;margin-bottom:20px}.not-found-copy{max-width:560px;margin:18px auto 32px;color:var(--text-secondary);font-size:1.1rem}@media(max-width:1024px){.product-card-grid{grid-template-columns:repeat(3,1fr)}.features-grid{grid-template-columns:repeat(2,1fr)}.product-row{gap:40px}}@media(max-width:768px){.nav-list{position:fixed;top:0;left:0;right:0;bottom:0;background:var(--bg-dark);flex-direction:column;justify-content:center;gap:24px;opacity:0;visibility:hidden;transition:all var(--transition)}.nav-list.active{opacity:1;visibility:visible}.nav-toggle{display:flex}.language-switcher{margin-top:4px}.nav-toggle.active span:nth-child(1){transform:rotate(45deg)translate(5px,5px)}.nav-toggle.active span:nth-child(2){opacity:0}.nav-toggle.active span:nth-child(3){transform:rotate(-45deg)translate(5px,-5px)}.nav-dropdown-menu{position:static;transform:none;opacity:0;visibility:hidden;max-height:0;overflow:hidden;margin-top:0;transition:all .3s ease;border:none;background:0 0}.nav-dropdown.dropdown-open .nav-dropdown-menu{opacity:1;visibility:visible;max-height:300px}.nav-dropdown-item{padding:10px 16px}.nav-chevron{display:none}.container{padding-left:22px;padding-right:22px}.logo-img{height:50px}.hero{min-height:auto;padding:146px 0 84px}.hero-content{padding-top:0}.hero-title{font-size:clamp(2.5rem,11vw,3.35rem);line-height:1.02}.hero-subtitle{font-size:1rem;line-height:1.65}.hero-categories{gap:8px;margin-bottom:28px}.hero-categories li{padding:6px 10px;font-size:.72rem}.hero-actions{flex-direction:column;align-items:flex-start}.hero-actions .btn{width:100%;text-align:center}.product-card-grid{grid-template-columns:repeat(2,1fr);max-width:none;margin:0 auto}.trust-grid{grid-template-columns:repeat(2,1fr)}.trust-item{min-height:84px;padding:18px 14px;border-bottom:1px solid var(--bg-dark-border)}.trust-item{font-size:.8rem}.features-grid{grid-template-columns:1fr}.colors-grid{grid-template-columns:1fr;max-width:300px}.product-row,.product-row-reverse{grid-template-columns:1fr;gap:30px}.product-row-reverse .product-image{order:-1}.product-b2b-grid{grid-template-columns:1fr;gap:36px}.catalog-intro-grid,.category-support-grid{grid-template-columns:1fr;gap:36px}.catalog-faq-grid{grid-template-columns:1fr}.specs-label{flex:0 0 130px}.about-stats{grid-template-columns:repeat(2,1fr);gap:24px}.about-copy{columns:1}.about-stats{gap:0}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--bg-dark-border)}.stat-number{font-size:1.5rem}.form-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}@media(max-width:480px){.trust-grid{grid-template-columns:1fr}.trust-item{border-right:0}.section{padding:80px 0}.product-card-grid{grid-template-columns:1fr;max-width:390px}.contact-form{padding:22px 18px}.cta-card{padding:46px 22px}.specs-row{flex-direction:column;gap:4px}}.product-breadcrumb ol{list-style:none;margin:0;padding:0}.product-breadcrumb li+li::before{content:"/";margin-right:10px}.category-guide{max-width:850px;margin:64px auto 0}.category-guide h2{font-size:clamp(1.4rem,3vw,2rem);margin:32px 0 16px}.category-guide p{margin-bottom:16px}