:root{--bg: #f7f9fb;--surface: #ffffff;--ink: #182126;--muted: #66727a;--line: #dde6eb;--steel: #264456;--blue: #0f678d;--green: #2f7561;--amber: #d99621;--soft: #eef4f7;--soft-blue: #f1f6f9;--shadow: 0 14px 34px rgba(22, 40, 50, .08);--shadow-strong: 0 22px 54px rgba(20, 45, 56, .13);--radius: 8px;--container: 1180px}*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;overflow-x:hidden;color:var(--ink);background:var(--bg);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Arial,sans-serif;line-height:1.65}img{display:block;max-width:100%}a{color:inherit;text-decoration:none}p{margin:0;color:var(--muted)}h1,h2,h3{margin:0;color:var(--ink);line-height:1.08;letter-spacing:0;overflow-wrap:anywhere}h1{font-size:clamp(2.15rem,7vw,2.55rem);max-width:760px}h2{font-size:clamp(1.9rem,4.2vw,3.15rem)}h3{font-size:1.25rem}.container{width:min(var(--container),calc(100% - 32px));margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.site-header{position:sticky;top:0;z-index:20;display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;padding:12px 16px;background:#f7f9fbeb;border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}.brand,.nav,.footer a,.header-phone,.btn{display:inline-flex;align-items:center}.brand{gap:10px;font-weight:850}.brand-mark{display:grid;place-items:center;width:46px;height:46px;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:10px}.brand-mark img{width:100%;height:100%;object-fit:contain;padding:.5px}.nav{grid-column:1 / -1;gap:16px;overflow-x:auto;padding:4px 0;color:var(--muted);font-size:.92rem;white-space:nowrap}.header-phone{min-height:42px;padding:0 14px;color:#fff;background:var(--steel);border-radius:var(--radius);font-weight:750}.mobile-menu-toggle,.mobile-catalog-group,.mobile-nav-whatsapp{display:none}.hero{display:grid;gap:24px;padding:44px 0 64px}.hero-industrial{position:relative;isolation:isolate}.hero-industrial:before{display:none}.hero-copy{display:grid;gap:18px;align-content:center}.hero-copy p{max-width:700px;color:#53616a;font-size:1.04rem;line-height:1.7}.hero-media{overflow:hidden;border-radius:var(--radius);background:var(--soft);box-shadow:none}.hero-card{position:relative;border:1px solid rgba(38,68,86,.14);box-shadow:var(--shadow-strong)}.hero-card:after{position:absolute;right:18px;bottom:18px;padding:10px 12px;color:#fff;content:"СК опоры / ЛЭП";background:#182126c7;border:1px solid rgba(255,255,255,.18);border-radius:4px;font-size:.82rem;font-weight:800;backdrop-filter:blur(12px)}.hero-media img{width:100%;min-height:240px;max-height:380px;object-fit:cover}.hero-badges,.catalog-summary{display:flex;flex-wrap:wrap;gap:10px}.hero-badges span,.catalog-summary span{padding:7px 0 7px 12px;color:var(--steel);background:transparent;border-left:2px solid rgba(15,103,141,.34);border-radius:0;font-size:.86rem;font-weight:800}.eyebrow{color:var(--green);font-size:.78rem;font-weight:850;letter-spacing:.1em;text-transform:uppercase}.actions{display:flex;flex-wrap:wrap;gap:12px}.btn{justify-content:center;min-height:48px;padding:0 18px;border:1px solid transparent;border-radius:6px;font-weight:800;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.btn:hover{transform:translateY(-2px);box-shadow:0 10px 22px #0f678d1f}.btn-primary{color:#fff;background:var(--blue)}.btn-secondary{color:var(--steel);background:#fff;border-color:var(--line)}.btn-accent{color:#fff;background:var(--green)}.btn-ghost{color:var(--steel);background:transparent;border-color:#2644563d}.text-link{display:inline-flex;align-items:center;min-height:48px;color:var(--steel);font-weight:800;text-decoration:underline;text-underline-offset:5px}.section{padding:78px 0}.section-muted{background:var(--soft-blue)}.section-header{display:grid;gap:12px;max-width:850px;margin-bottom:28px}.section-header p{max-width:720px;font-size:1.04rem}.grid{display:grid;gap:14px}.cards{grid-template-columns:1fr}.card,.article-card,.product-card,.cta-panel,.table-wrap,.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 10px 30px #142d380d}.card,.article-card,.product-card{padding:22px;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease,background .18s ease}.card h2,.product-card h2{font-size:clamp(1.35rem,2.2vw,1.7rem)}.card:hover,.article-card:hover,.product-card:hover,.application-card:hover{transform:translateY(-4px);border-color:#0f678d3d;box-shadow:var(--shadow)}.card p,.article-card p,.product-card p{margin-top:10px}.card ul,.product-card ul{margin:14px 0 0;padding-left:20px;color:var(--muted)}.model-group{display:grid;gap:16px}.feature-card{position:relative;min-height:220px}.card-number{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;color:#fff;background:linear-gradient(135deg,var(--steel),var(--blue));border-radius:50%;font-size:.82rem;font-weight:900}.model-card{display:grid;align-content:start;gap:11px;min-height:190px;padding:20px;border-radius:14px;box-shadow:0 12px 30px #142d380b;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.model-card-media{display:grid;place-items:center;aspect-ratio:4 / 3;margin:-8px -8px 2px;overflow:hidden;background:linear-gradient(145deg,#eef4f7eb,#ffffffe0);border:1px solid rgba(221,230,235,.82);border-radius:12px}.model-card-media img{width:100%;height:100%;object-fit:contain;padding:14px;filter:drop-shadow(0 16px 18px rgba(20,45,56,.12));transition:transform .22s ease}.model-card span{width:fit-content;padding:6px 10px;color:var(--steel);background:var(--soft);border:1px solid var(--line);border-radius:999px;font-size:.78rem;font-weight:900}.model-card h3{font-size:clamp(1.4rem,2.1vw,1.72rem);color:var(--ink)}.model-card:hover{transform:translateY(-4px);border-color:#0f678d3d;box-shadow:0 18px 42px #142d3817}.model-card:hover .model-card-media img{transform:scale(1.03)}.application-grid{grid-template-columns:1fr}.application-card{min-height:180px;padding:24px;color:#fff;background:linear-gradient(135deg,#182126eb,#264456e0),linear-gradient(135deg,var(--steel),var(--green));border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .18s ease}.application-card h3{color:#fff}.application-card p{margin-top:12px;color:#ffffffc2}.category-card{min-height:210px}.home-hero{position:relative;min-height:620px;display:grid;align-items:center;overflow:hidden;background:linear-gradient(90deg,#0a1218d1,#0f1a22a8 48%,#0f1a2257),url(/images/sk-opory-main.webp) center / cover no-repeat;color:#fff;isolation:isolate}.home-hero:after{position:absolute;inset:0;z-index:-1;content:"";background:linear-gradient(180deg,#0000002e,#00000052)}.home-hero-inner{width:min(var(--container),calc(100% - 32px));padding:clamp(54px,8vw,92px) 0}.home-hero .hero-copy{max-width:760px}.home-hero .hero-copy p:not(.eyebrow){max-width:680px;color:#ffffffdb}.hero-mobile-summary,.hero-catalog-label-mobile{display:none}.home-hero-media{min-height:420px}.home-hero-media img{height:100%;min-height:420px;max-height:560px;object-position:center}.hero-actions{margin-top:4px}.info-badges{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));max-width:680px;padding-top:10px}.home-hero .eyebrow{color:#ffffffc7}.home-hero h1{color:#fff}.home-hero .info-badges span{padding:13px 14px;color:#fff;background:#ffffff1c;border:1px solid rgba(255,255,255,.18);border-left:3px solid rgba(255,255,255,.62);border-radius:6px;backdrop-filter:blur(10px)}.home-hero .btn-primary{background:#fff;color:var(--steel)}.home-hero .btn-accent{background:var(--green);color:#fff}.production-hero{position:relative;min-height:560px;display:grid;align-items:center;overflow:hidden;color:#fff;background:linear-gradient(90deg,#0a1218d6,#0f1a22ad 48%,#0f1a2247),url(/images/sk-opory-main.webp) center / cover no-repeat;isolation:isolate}.production-hero:after{position:absolute;inset:0;z-index:-1;content:"";background:radial-gradient(circle at 72% 22%,rgba(255,255,255,.08),transparent 34%)}.production-hero-inner{width:min(var(--container),calc(100% - 32px));padding:clamp(56px,8vw,96px) 0}.production-hero .hero-copy{max-width:760px}.production-hero .eyebrow{color:#ffffffc7}.production-hero h1{max-width:760px;color:#fff;font-size:clamp(2.7rem,5vw,4.65rem);line-height:.98}.production-hero .hero-copy p:not(.eyebrow){max-width:680px;color:#ffffffdb}.production-hero .btn-primary{background:#fff;color:var(--steel)}.production-hero .btn-secondary{color:#fff;background:#ffffff1f;border-color:#ffffff47}.sv-hero{position:relative;min-height:560px;display:grid;align-items:center;overflow:hidden;color:#fff;background:linear-gradient(90deg,#0a1218d6,#0f1a22a8 48%,#0f1a2238),url(/images/sv-opory-hero.webp) center / cover no-repeat;isolation:isolate}.sv-hero:after{position:absolute;inset:0;z-index:-1;content:"";background:radial-gradient(circle at 72% 22%,rgba(255,255,255,.1),transparent 36%)}.sv-hero-inner{width:min(var(--container),calc(100% - 32px));margin-inline:auto;padding:clamp(56px,8vw,96px) 0}.sv-hero .hero-copy{max-width:760px}.sv-hero .eyebrow{color:#ffffffc7}.sv-hero h1{max-width:780px;color:#fff;font-size:clamp(2.7rem,5vw,4.65rem);line-height:.98}.sv-hero .hero-copy p:not(.eyebrow){max-width:680px;color:#ffffffdb}.sv-hero .btn-primary{background:#fff;color:var(--steel)}.sv-hero .btn-secondary{color:#fff;background:#ffffff1f;border-color:#ffffff47}.home-section{background:var(--surface)}.home-section-alt{background:var(--soft-blue)}.industrial-card{position:relative;display:grid;gap:14px;min-height:100%;padding:24px;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 24px #142d380a;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.industrial-card:hover{transform:translateY(-3px);border-color:#0f678d47;box-shadow:var(--shadow)}.catalog-cards{grid-template-columns:1fr}.catalog-tile{min-height:auto;padding:0;overflow:hidden;align-content:start;border-top:3px solid var(--blue)}.catalog-tile:nth-child(2){border-top-color:var(--green)}.catalog-tile-muted{border-top-color:var(--amber);background:linear-gradient(180deg,#fff,#f8fafb)}.catalog-tile-media{width:100%;height:clamp(190px,17vw,250px);margin:0;overflow:hidden;background:var(--soft);border-bottom:1px solid var(--line)}.catalog-tile-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease}.catalog-tile h3{padding:22px 22px 0;font-size:clamp(1.65rem,3vw,2.35rem);color:var(--steel)}.tile-kicker,.tile-meta{color:var(--muted);font-size:.88rem;font-weight:850}.tile-meta{color:var(--green)}.catalog-tile strong{display:inline-flex;align-items:center;justify-content:center;align-self:end;width:calc(100% - 44px);min-height:44px;margin:18px 22px 22px;color:#fff;background:var(--steel);border-radius:7px;font-weight:900;transition:background .2s ease,transform .2s ease}.catalog-tile:hover .catalog-tile-media img{transform:scale(1.035)}.catalog-tile:hover strong{background:var(--blue);transform:translateY(-1px)}.document-grid{grid-template-columns:1fr}.delivery-section{border-block:1px solid var(--line)}.delivery-layout{display:grid;gap:28px;align-items:center}.delivery-content{display:grid;gap:22px}.delivery-benefits{display:grid;gap:10px}.delivery-benefit{display:grid;grid-template-columns:42px 1fr;gap:12px;padding:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}.delivery-benefit>span{display:inline-grid;place-items:center;width:42px;height:42px;background:var(--soft);border-radius:6px;font-size:1.15rem}.delivery-benefit h3{font-size:1rem}.delivery-benefit p{margin-top:4px;font-size:.92rem;line-height:1.5}.delivery-map-wrap{position:relative;display:grid;gap:14px}.delivery-map-badge{width:fit-content;padding:9px 12px;color:var(--steel);background:var(--surface);border:1px solid var(--line);border-radius:999px;font-size:.88rem;font-weight:850;box-shadow:0 8px 22px #142d380a}.delivery-map{display:grid;place-items:center;min-height:360px;margin:0;overflow:visible;background:transparent;border:0;border-radius:0;box-shadow:none;padding:0}.delivery-map img{width:100%;height:auto;max-height:520px;min-height:0;object-fit:contain;filter:drop-shadow(0 22px 30px rgba(38,68,86,.16))}.delivery-note{padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 28px #142d3812}.delivery-note h3{font-size:1.05rem}.delivery-note p{margin-top:8px;line-height:1.55}.delivery-mobile-text{display:none}.delivery-strip{display:grid;gap:10px;margin-top:24px;padding-top:18px;border-top:1px solid var(--line)}.delivery-strip div{display:flex;gap:10px;align-items:center;min-height:44px;color:var(--steel);font-weight:850}.delivery-strip p{color:var(--steel);font-size:.92rem}.partners-section{background:var(--surface);border-bottom:1px solid var(--line)}.partners-head{display:grid;gap:12px;max-width:780px;margin-bottom:clamp(24px,4vw,38px)}.partners-head .eyebrow{position:relative;display:inline-flex;gap:10px;align-items:center;width:fit-content}.partners-head .eyebrow:before{display:inline-block;width:34px;height:2px;background:var(--blue);content:""}.partners-head h2{max-width:760px;color:var(--ink);font-size:clamp(2.1rem,4vw,3.35rem);line-height:1.05}.partners-head p:not(.eyebrow){max-width:700px;color:var(--muted);font-size:1.03rem;line-height:1.65}.partners-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 28px}.partner-card{display:grid;place-items:center;min-height:104px;padding:12px;text-align:center;background:transparent;border:0;border-radius:0;box-shadow:none;transition:opacity .2s ease,transform .2s ease}.partner-card span{color:var(--steel);font-size:clamp(.98rem,1.4vw,1.12rem);font-weight:900;line-height:1.25}.partner-card img{width:auto;max-width:min(180px,100%);height:72px;max-height:72px;object-fit:contain;filter:grayscale(.12);transition:filter .2s ease,transform .2s ease}.partner-card[data-partner=lihua] img,.partner-card[data-partner=shengtai] img{max-width:min(200px,100%);height:82px;max-height:82px}.partner-card[data-theme=dark]{background:transparent}.partner-card[data-theme=dark] img{padding:12px 16px;background:#17335d;border-radius:8px}.partner-card:hover{opacity:.92;transform:translateY(-2px)}.partner-card:hover img{filter:grayscale(0);transform:scale(1.02)}.doc-card{min-height:210px}.doc-card:nth-child(1){background:linear-gradient(180deg,#fff,#f8fbfd)}.doc-card:nth-child(2){background:linear-gradient(180deg,#fff,#f8fbf9)}.doc-card:nth-child(3){background:linear-gradient(180deg,#fff,#fdfbf6)}.doc-icon{display:inline-grid;place-items:center;width:54px;height:42px;color:var(--steel);background:var(--soft);border:1px solid var(--line);border-radius:6px;font-size:.72rem;font-weight:950;letter-spacing:.06em}.audience-grid{grid-template-columns:1fr}.audience-card{display:grid;grid-template-columns:44px 1fr;gap:12px 14px;align-items:start;padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}.audience-card span{display:inline-grid;place-items:center;width:44px;height:44px;color:var(--steel);background:var(--soft);border-radius:6px;font-size:.78rem;font-weight:950}.audience-card h3{font-size:1.05rem}.audience-card p{grid-column:2;margin-top:-8px;font-size:.94rem;line-height:1.55}.production-layout{display:grid;gap:28px;align-items:center}.production-media{min-height:300px;margin:0;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.production-media img{width:100%;height:100%;min-height:300px;object-fit:cover}.production-list{display:grid;gap:10px}.production-step{display:grid;grid-template-columns:42px 1fr;gap:12px;align-items:start;padding:14px 0;border-bottom:1px solid var(--line)}.production-step span{color:var(--blue);font-weight:950}.production-step p{line-height:1.55}.metal-hero-section{padding-top:34px}.metal-hero,.metal-production-layout,.metal-delivery{display:grid;gap:28px;align-items:center}.metal-hero-copy{display:grid;gap:18px;max-width:760px}.metal-hero-copy p:not(.eyebrow){max-width:690px;color:#485762;font-size:clamp(1rem,2vw,1.14rem);line-height:1.68}.metal-hero-media{min-height:320px;margin:0;overflow:hidden;background:var(--soft);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.metal-hero-media img,.metal-production-media img{width:100%;height:100%;object-fit:cover}.metal-item-grid,.metal-feature-grid,.metal-timeline{display:grid;gap:14px}.metal-item-grid,.metal-feature-grid{grid-template-columns:1fr}.metal-item-card{display:grid;grid-template-columns:16px 1fr;gap:12px;align-items:center;min-height:86px;padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 28px #142d380a}.metal-item-card span{width:10px;height:10px;background:var(--blue);border-radius:999px}.metal-item-card h3,.metal-feature-card h3{font-size:1.08rem;line-height:1.3}.metal-showcase-grid{display:grid;grid-template-columns:1fr;gap:18px}.metal-showcase-card{display:grid;grid-template-rows:auto 1fr;min-height:100%;overflow:hidden;background:#fff;border:1px solid rgba(38,68,86,.12);border-radius:16px;box-shadow:0 14px 34px #16283214;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.metal-showcase-media{aspect-ratio:4 / 3;margin:0;overflow:hidden;background:var(--soft)}.metal-showcase-media img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease}.metal-showcase-body{display:grid;grid-template-rows:auto 1fr auto;gap:12px;padding:22px}.metal-showcase-body h3{font-size:clamp(1.2rem,2vw,1.42rem);line-height:1.18}.metal-showcase-body p{color:#52616a;font-size:.98rem;line-height:1.58}.metal-showcase-action{width:100%;margin-top:4px}.metal-showcase-card:hover{transform:translateY(-5px);border-color:#0f678d42;box-shadow:0 24px 54px #142d3824}.metal-showcase-card:hover .metal-showcase-media img{transform:scale(1.05)}.metal-feature-card{min-height:150px}.metal-feature-card span{display:inline-grid;place-items:center;width:44px;height:44px;color:var(--steel);background:var(--soft-blue);border:1px solid var(--line);border-radius:12px;font-weight:900}.metal-production-media{min-height:320px}.metal-timeline-step{display:grid;grid-template-columns:54px 1fr;gap:14px;align-items:center;padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:12px}.metal-timeline-step span{display:grid;place-items:center;width:44px;height:44px;color:#fff;background:var(--steel);border-radius:999px;font-weight:950}.metal-timeline-step p{color:var(--steel);font-weight:800;line-height:1.45}.metal-delivery{align-items:start;padding:clamp(22px,4vw,36px);background:var(--soft-blue);border:1px solid var(--line);border-radius:18px}.metal-map-wrap{width:100%}.metal-final-cta{background:linear-gradient(135deg,#eef4f7f5,#fffffffa)}.catalog-hero{display:grid;gap:16px;padding:30px 0 10px}.catalog-hero-bg{position:relative;min-height:520px;display:grid;align-items:end;width:100%;overflow:hidden;padding:0;color:#fff;background:linear-gradient(90deg,#0a1218d6,#0f1a22a8 48%,#0f1a2242),url(/images/catalog-sk-opory-banner.jpg) center / cover no-repeat;isolation:isolate}.catalog-hero-bg:after{position:absolute;inset:0;z-index:-1;content:"";background:radial-gradient(circle at 72% 20%,rgba(255,255,255,.08),transparent 34%)}.catalog-hero-inner{width:min(var(--container),calc(100% - 32px));margin-inline:auto;padding:clamp(58px,8vw,96px) 0 clamp(42px,6vw,72px)}.catalog-hero-bg .section-header{max-width:780px}.catalog-hero-bg .eyebrow{color:#ffffffc7}.catalog-hero-bg h1{color:#fff;font-size:clamp(2.8rem,5vw,4.65rem);line-height:.98}.catalog-hero-bg .section-header p:not(.eyebrow){max-width:700px;color:#ffffffdb}.catalog-hero-banner{position:relative;min-height:340px;max-height:420px;margin:6px 0 2px;overflow:hidden;background:var(--soft);border:1px solid 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