:root{
  --bg:#f5f8fb; --surface:#ffffff; --surface-2:#eef4f8; --text:#1f2d3a; --muted:#5f7386;
  --brand:#0b6e8f; --brand-2:#0f8aa8; --brand-dark:#084b61; --accent:#f2a33a;
  --hero-1:#0b4f66; --hero-2:#0b6e8f; --hero-3:#0f8aa8;
  --line:#dbe6ee; --ok:#1f8a5b; --radius:16px; --shadow:0 12px 34px rgba(10,60,80,.09);
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-dark)}
img{max-width:100%;height:auto}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.topbar{background:var(--brand-dark);color:#d9eef5;font-size:14px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;flex-wrap:wrap}
.topbar a{color:#fff;font-weight:600}
.topbar-links{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.site-header{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;box-shadow:0 4px 18px rgba(8,50,70,.04)}
.header-inner{display:flex;align-items:center;gap:26px;min-height:76px}
.logo{display:flex;flex-direction:column;line-height:1.05;font-weight:800;font-size:21px;color:var(--brand-dark);letter-spacing:-.3px}
.logo span{font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.4px;margin-top:5px}
.logo.with-mark{flex-direction:row;align-items:center;gap:10px}
.logo.with-mark .logo-copy{display:flex;flex-direction:column;font-size:21px;font-weight:800;color:var(--brand-dark);letter-spacing:-.3px;line-height:1.05;margin:0}
.logo.with-mark .logo-copy span{font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.4px;margin-top:5px}
.logo-mark-wrap{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;flex:0 0 38px;border-radius:12px;background:linear-gradient(145deg,var(--brand-dark),var(--brand));box-shadow:0 6px 14px rgba(8,50,70,.18);font-size:0;line-height:0;margin:0}
.logo-mark{display:block;width:29px;height:29px}
.main-nav{display:flex;gap:4px;flex-wrap:wrap;margin-left:auto}
.main-nav a{padding:10px 11px;border-radius:10px;color:#2d4354;font-weight:600;font-size:14px}
.main-nav a:hover{background:var(--surface-2);color:var(--brand-dark)}
.header-cta{display:flex;align-items:center;gap:10px;margin-left:8px}
.header-phone{font-weight:800;color:var(--brand-dark);white-space:nowrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:12px;padding:12px 18px;font-weight:700;font-size:14px;line-height:1;cursor:pointer;transition:.18s ease}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(11,110,143,.18)}
.btn-primary:hover{background:var(--brand-dark);color:#fff}
.btn-outline{background:#fff;border-color:var(--line);color:var(--brand-dark)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand)}
.btn-accent{background:var(--accent);color:#2b1a00}
.btn-accent:hover{background:#e08f1f;color:#2b1a00}
.mobile-toggle{display:none;background:none;border:0;font-size:26px;line-height:1;color:var(--brand-dark);cursor:pointer}
.region-bar{background:linear-gradient(90deg,#e9f5fa,#f7fbfd);border-bottom:1px solid var(--line);font-size:13px}
.region-bar .container{display:flex;gap:10px;align-items:center;justify-content:space-between;min-height:38px;flex-wrap:wrap}
.region-bar strong{color:var(--brand-dark)}
.region-bar select{border:1px solid var(--line);border-radius:9px;padding:6px 10px;background:#fff;font:inherit;color:var(--text)}
.region-right{display:flex;align-items:center;gap:12px;margin-left:auto;flex-wrap:wrap}
.region-tools{display:flex;align-items:center;gap:4px}
.tool-link{display:inline-flex;align-items:center;gap:6px;padding:6px 9px;border-radius:8px;color:var(--brand-dark);font-weight:700;font-size:12.5px;line-height:1}
.tool-link:hover{background:#fff;color:var(--brand)}
.tool-ico{width:16px;height:16px;flex:0 0 16px}
.mobile-nav .nav-tool{display:flex;align-items:center;gap:10px}
.mobile-nav .nav-tool .tool-ico{width:18px;height:18px}
main{padding:28px 0 54px}
.breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:0;line-height:1.35;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.breadcrumbs a{color:var(--muted)}
.breadcrumbs a:hover{color:var(--brand)}
.breadcrumbs span.sep{color:#a9bcc9}
h1{font-size:34px;line-height:1.18;letter-spacing:-.5px;margin:0 0 14px;color:#142634}
h2{font-size:25px;line-height:1.25;margin:0 0 14px;color:#142634}
h3{font-size:19px;line-height:1.3;margin:0 0 10px;color:#142634}
p{margin:0 0 14px}
.lead{font-size:18px;color:#40586a;max-width:900px}
.hero{background:radial-gradient(1200px 500px at 85% -10%,#cdeef7 0,transparent 60%),linear-gradient(135deg,var(--hero-1),var(--hero-2) 55%,var(--hero-3));color:#fff;border-radius:24px;padding:48px 44px;position:relative;overflow:hidden;box-shadow:var(--shadow)}
.hero > *:not(.hero-region-mark){position:relative;z-index:1}
.hero-region-mark{position:absolute;right:16px;bottom:-22px;width:250px;height:250px;opacity:.13;pointer-events:none;z-index:0;filter:brightness(0) invert(1)}
.hero-region-mark img{width:100%;height:100%;object-fit:contain;display:block}
.hero:after{content:"";position:absolute;right:-80px;top:-80px;width:360px;height:360px;border-radius:50%;background:rgba(255,255,255,.08)}
.hero h1{color:#fff;font-size:42px;max-width:760px}
.hero p{color:#d7eef6;font-size:18px;max-width:720px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px;position:relative;z-index:1}
.hero .btn-primary{background:var(--accent);color:#2b1a00}
.hero .btn-primary:hover{background:#fff;color:var(--brand-dark)}
.hero .btn-outline{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.hero .btn-outline:hover{background:rgba(255,255,255,.12);color:#fff}
.hero-badges{display:flex;gap:18px;flex-wrap:wrap;margin-top:26px;color:#d7eef6;font-size:14px}
.hero-badges span{display:flex;gap:8px;align-items:center}
.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 6px 22px rgba(10,60,80,.04)}
.card h3{margin-bottom:8px}
.card p{color:var(--muted);margin-bottom:0}
.section{margin-top:40px}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:18px;flex-wrap:wrap}
.section-head h2{margin:0}
.section-head .link{font-weight:700}
.cat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.cat-card{display:flex;flex-direction:column;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px;min-height:118px;transition:.18s}
.cat-card:hover{border-color:#9fd2e3;transform:translateY(-2px);box-shadow:var(--shadow)}
.cat-card b{font-size:16px;color:#142634}
.cat-card span{font-size:13px;color:var(--muted)}
.cat-card .count{margin-top:auto;font-size:12px;font-weight:700;color:var(--brand)}
.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.product-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.18s}
.product-card:hover{border-color:#9fd2e3;box-shadow:var(--shadow);transform:translateY(-2px)}
.product-visual{background:linear-gradient(160deg,#eef7fb,#dfeef6);padding:18px;display:flex;align-items:center;justify-content:center;min-height:170px}
.product-visual svg{width:100%;max-width:250px;height:auto;display:block}
.product-visual img{width:100%;height:170px;object-fit:contain;display:block;border-radius:10px}
.product-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.product-body h3{font-size:16px;margin:0;line-height:1.35}
.product-body h3 a{color:#142634}
.product-body .meta{font-size:12px;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap}
.product-body .desc{font-size:13px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.price-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:8px;flex-wrap:wrap}
.price-row > *{min-width:0}
.price-row .btn{flex:0 0 auto}
.price{font-size:19px;font-weight:800;color:#142634;white-space:normal;overflow-wrap:anywhere}
.price small{font-size:12px;font-weight:600;color:var(--muted)}
.price-request{font-size:14px;font-weight:800;color:var(--brand);overflow-wrap:anywhere}
.product-layout{display:grid;grid-template-columns:420px minmax(0,1fr);gap:30px;align-items:start}
.product-main{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow)}
.product-hero-visual{background:linear-gradient(160deg,#eef7fb,#dfeef6);border-radius:16px;padding:22px;display:flex;align-items:center;justify-content:center;min-height:280px}
.product-hero-visual svg{width:100%;max-width:340px;height:auto}
.product-hero-visual img{width:100%;height:280px;object-fit:contain;display:block;border-radius:12px}
.product-price{display:flex;align-items:baseline;gap:10px;margin:18px 0 8px;flex-wrap:wrap}
.product-price .price{font-size:30px}
.product-price small{color:var(--muted);font-weight:600}
.order-box{background:linear-gradient(135deg,#0b4f66,#0b6e8f);color:#fff;border-radius:18px;padding:24px;margin:22px 0}
.order-box h2,.order-box h3{color:#fff}
.order-box p{color:#d7eef6}
.order-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.order-box .btn-primary{background:var(--accent);color:#2b1a00}
.order-box .btn-primary:hover{background:#fff;color:var(--brand-dark)}
.order-box .btn-outline{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.order-box .btn-outline:hover{background:rgba(255,255,255,.12);color:#fff}
.order-contact{display:flex;gap:16px;flex-wrap:wrap;margin-top:16px;font-size:14px;color:#d7eef6}
.order-contact span{display:flex;gap:7px;align-items:center}
.table-wrap{overflow-x:auto;margin:18px 0}
table.details{width:100%;border-collapse:collapse;font-size:14px;background:#fff}
table.details th,table.details td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
table.details th{width:42%;color:var(--muted);font-weight:600;background:#f8fbfd}
table.details tr:last-child th,table.details tr:last-child td{border-bottom:0}
.expert{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:26px;margin-top:22px}
.expert h2{font-size:22px}
.expert h3{font-size:17px;margin-top:18px}
.expert ul,.expert ol{margin:0 0 14px;padding-left:22px}
.expert li{margin-bottom:7px}
.note{background:#fff8ea;border:1px solid #f3d59a;border-radius:14px;padding:16px 18px;color:#5c4313;margin:18px 0}
.note b{color:#3d2b06}
.faq{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:8px 26px;margin-top:22px}
.faq details{border-bottom:1px solid var(--line);padding:16px 0}
.faq details:last-child{border-bottom:0}
.faq summary{font-weight:700;cursor:pointer;color:#142634;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";font-weight:700;color:var(--brand);font-size:20px;line-height:1}
.faq details[open] summary:after{content:"–"}
.faq p{margin:10px 0 0;color:var(--muted)}
.sidebar{position:sticky;top:94px;display:flex;flex-direction:column;gap:18px}
.sidebar .card{padding:18px}
.sidebar h3{font-size:16px}
.sidebar ul{list-style:none;margin:0;padding:0;font-size:14px}
.sidebar li{padding:7px 0;border-bottom:1px dashed var(--line)}
.sidebar li:last-child{border-bottom:0}
.sidebar li a{display:flex;justify-content:space-between;gap:10px}
.sidebar li a span{color:var(--muted);font-size:12px}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 0}
.tag{display:inline-flex;align-items:center;border:1px solid var(--line);background:#f8fbfd;border-radius:999px;padding:6px 11px;font-size:12px;color:#365264;font-weight:600}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 0;align-items:center}
.chips-label{font-size:13px;font-weight:700;color:#5f7386;margin-right:2px}
.chip{display:inline-flex;align-items:center;border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 13px;font-size:13px;font-weight:600;color:#365264}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip.active{background:var(--brand);border-color:var(--brand);color:#fff}
.pagination{display:flex;gap:6px;flex-wrap:wrap;margin-top:22px}
.pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:38px;border:1px solid var(--line);border-radius:10px;background:#fff;font-weight:700;font-size:14px;padding:0 10px}
.pagination .current{background:var(--brand);border-color:var(--brand);color:#fff}
.region-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:8px;margin:0}
.region-item{display:flex;align-items:center;gap:9px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:9px 11px;font-size:13px;min-width:0}
.region-item:hover{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.22)}
.region-item::before{content:"";width:22px;height:22px;flex:0 0 22px;background:center/contain no-repeat}
.region-item .ri-copy{display:flex;flex-direction:column;gap:1px;min-width:0}
.region-item b{color:#fff;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.region-item span{font-size:11px;color:#8cabb8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
main .region-item{background:#fff;border-color:var(--line)}
main .region-item:hover{background:#f8fbfd;border-color:#9fd2e3}
main .region-item b{color:#142634}
main .region-item span{color:var(--muted)}
main .region-item::before{filter:brightness(.35) saturate(1.1)}
footer{background:#0d2733;color:#b9cfda;margin-top:20px}
.footer-main{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:30px;padding:46px 0 30px}
.footer-regions{border-top:1px solid #1c3d4b;padding:26px 0 8px}
.footer-regions-head{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.footer-regions-head h3{margin:0}
.footer-regions-head p{margin:0;font-size:13px;color:#8cabb8}
footer h3{color:#fff;font-size:16px;margin-bottom:14px}
footer p,footer li{font-size:14px;line-height:1.7}
footer a{color:#d8eaf2}
footer a:hover{color:#fff}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin-bottom:8px}
.footer-bottom{border-top:1px solid #1c3d4b;padding:18px 0 26px;font-size:12px;color:#8cabb8;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.contact-line{display:flex;gap:9px;align-items:flex-start;margin-bottom:10px}
.contact-line b{color:#fff}
.contact-line a{color:#fff}
.contact-line span{color:#b9cfda}
.notice{background:#fff8ea;border:1px solid #f3d59a;color:#5c4313;border-radius:14px;padding:16px 18px;margin:18px 0;font-size:14px}
.empty{color:var(--muted);font-style:italic}
.prose h2{font-size:22px;margin-top:26px}
.prose h3{font-size:18px;margin-top:20px}
.prose ul,.prose ol{padding-left:22px}
.prose li{margin-bottom:7px}
.prose table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px}
.prose th,.prose td{border:1px solid var(--line);padding:9px 11px;text-align:left}
.prose th{background:#f8fbfd}
.breadcrumbs-wrap{background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px 14px;margin-bottom:14px}
.two-col{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:28px;align-items:start}
.stat-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:20px}
.stat{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:16px}
.stat b{display:block;font-size:23px;color:#fff;line-height:1.1;margin-bottom:4px}
.stat span{font-size:12px;color:#cfe8f1}
.mobile-nav{display:none;background:#fff;border-bottom:1px solid var(--line)}
.mobile-nav.open{display:block}
.mobile-nav a{display:block;padding:13px 20px;border-bottom:1px solid var(--line);font-weight:600;color:#2d4354}
@media(max-width:1080px){
  .cat-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-main{grid-template-columns:1fr 1fr}
  .region-list{grid-template-columns:repeat(auto-fill,minmax(170px,1fr))}
  .region-tools{display:none}
  .main-nav{display:none}.mobile-toggle{display:block;margin-left:auto}
  .header-cta .header-phone{display:none}
  .product-layout{grid-template-columns:1fr}
}
@media(max-width:720px){
  .container{padding:0 15px}
  h1{font-size:27px}.hero{padding:30px 22px;border-radius:18px}.hero h1{font-size:30px}
  .hero p{font-size:16px}.grid-3,.grid-4,.grid-2{grid-template-columns:1fr}
  .cat-grid,.product-grid{grid-template-columns:1fr}
  .stat-row{grid-template-columns:1fr 1fr}
  .region-list{grid-template-columns:1fr 1fr}
  .footer-main{grid-template-columns:1fr}
  .footer-regions-head{display:block}
  .footer-regions-head p{margin-top:4px}
  .topbar-inner{justify-content:center;text-align:center}
  .topbar-links{justify-content:center}
  .product-main{padding:20px}
  .order-box{padding:20px}
  .section{margin-top:30px}
  .hero-region-mark{width:160px;height:160px;right:-18px;bottom:-10px;opacity:.1}
}
/* === REGION ICONS === */
.r-chelny::before{background-image:url("regions/chelny.svg")}
.r-arhangelsk::before{background-image:url("regions/arhangelsk.svg")}
.r-astrahan::before{background-image:url("regions/astrahan.svg")}
.r-barnaul::before{background-image:url("regions/barnaul.svg")}
.r-belgorod::before{background-image:url("regions/belgorod.svg")}
.r-bryansk::before{background-image:url("regions/bryansk.svg")}
.r-chita::before{background-image:url("regions/chita.svg")}
.r-donetsk::before{background-image:url("regions/donetsk.svg")}
.r-grozny::before{background-image:url("regions/grozny.svg")}
.r-habarovsk::before{background-image:url("regions/habarovsk.svg")}
.r-himki::before{background-image:url("regions/himki.svg")}
.r-ivanovo::before{background-image:url("regions/ivanovo.svg")}
.r-izhevsk::before{background-image:url("regions/izhevsk.svg")}
.r-kaliningrad::before{background-image:url("regions/kaliningrad.svg")}
.r-kaluga::before{background-image:url("regions/kaluga.svg")}
.r-kirov::before{background-image:url("regions/kirov.svg")}
.r-kostroma::before{background-image:url("regions/kostroma.svg")}
.r-kursk::before{background-image:url("regions/kursk.svg")}
.r-lipezk::before{background-image:url("regions/lipezk.svg")}
.r-luberzy::before{background-image:url("regions/luberzy.svg")}
.r-lugansk::before{background-image:url("regions/lugansk.svg")}
.r-mahachkala::before{background-image:url("regions/mahachkala.svg")}
.r-mariupol::before{background-image:url("regions/mariupol.svg")}
.r-penza::before{background-image:url("regions/penza.svg")}
.r-rostov::before{background-image:url("regions/rostov.svg")}
.r-ryazan::before{background-image:url("regions/ryazan.svg")}
.r-saratov::before{background-image:url("regions/saratov.svg")}
.r-sevastopol::before{background-image:url("regions/sevastopol.svg")}
.r-simferopol::before{background-image:url("regions/simferopol.svg")}
.r-smolensk::before{background-image:url("regions/smolensk.svg")}
.r-sochi::before{background-image:url("regions/sochi.svg")}
.r-stavropol::before{background-image:url("regions/stavropol.svg")}
.r-tagil::before{background-image:url("regions/tagil.svg")}
.r-toliatti::before{background-image:url("regions/toliatti.svg")}
.r-tula::before{background-image:url("regions/tula.svg")}
.r-tumen::before{background-image:url("regions/tumen.svg")}
.r-ulan-ude::before{background-image:url("regions/ulan-ude.svg")}
.r-vladivostok::before{background-image:url("regions/vladivostok.svg")}
.r-volgograd::before{background-image:url("regions/volgograd.svg")}
.r-voronezh::before{background-image:url("regions/voronezh.svg")}
.r-yaroslavl::before{background-image:url("regions/yaroslavl.svg")}
.r-vladimir::before{background-image:url("regions/vladimir.svg")}
.r-vladikavkaz::before{background-image:url("regions/vladikavkaz.svg")}