:root{--blue:#0f63ff;--ink:#0b1220;--muted:#5c6b80;--line:#dce6f2;--soft:#f5f8fc;--card:#fff;--shadow:0 22px 60px rgba(15,35,64,.12);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif;color:var(--ink);background:var(--soft)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:linear-gradient(180deg,#fff,#f2f7fd 55%,#fff)}button,a,input,textarea{font:inherit}button{cursor:pointer}a{text-decoration:none;color:inherit}.site-header{position:sticky;top:0;z-index:50;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:24px;height:76px;padding:0 clamp(18px,5vw,64px);border-bottom:1px solid var(--line);background:#fffffff0;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.brand{display:flex;align-items:center;gap:12px;border:0;background:transparent;color:var(--ink);font-weight:900;letter-spacing:.06em}.brand span{display:grid;place-items:center;width:42px;height:42px;border-radius:8px;background:#10233d;color:#fff}.site-nav{display:flex;justify-content:center;gap:4px}.site-nav button{height:40px;border:0;border-radius:999px;background:transparent;padding:0 16px;color:#10233d;font-weight:800}.site-nav button.active,.site-nav button:hover{background:#e9f2ff;color:var(--blue)}.header-actions{display:flex;align-items:center;gap:10px}.primary,.ghost,.text-link{display:inline-flex;align-items:center;justify-content:center;border-radius:8px;min-height:42px;padding:0 18px;font-weight:850;border:1px solid transparent}.primary{background:var(--blue);color:#fff;box-shadow:0 14px 28px #0f63ff33}.ghost{background:#fff;color:#10233d;border-color:var(--line)}.text-link{border:0;background:transparent;color:#10233d}.big{min-height:50px;padding-inline:24px}.mega-overlay{position:fixed;inset:76px 0 auto;z-index:80;display:flex;justify-content:center;pointer-events:none;opacity:0;transform:translateY(-8px);transition:opacity .18s ease,transform .18s ease}.mega-overlay.is-open{opacity:1;transform:translateY(0);pointer-events:auto}.mega-overlay.is-closing{opacity:0;transform:translateY(-8px)}.mega-panel{display:grid;grid-template-columns:280px minmax(360px,520px);width:min(860px,calc(100vw - 36px));max-height:calc(100vh - 106px);overflow:hidden;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:var(--shadow)}.mega-left{padding:12px;border-right:1px solid var(--line);background:#f7faff}.mega-left button,.mega-right button{width:100%;border:0;background:transparent;text-align:left}.mega-left button{display:flex;justify-content:space-between;gap:14px;border-radius:8px;padding:14px;color:#10233d;font-weight:850}.mega-left button span{color:var(--muted);font-size:12px;font-weight:700}.mega-left button.active,.mega-left button:hover{background:#e8f1ff;color:var(--blue)}.mega-right{padding:12px;overflow:auto}.mega-right button{display:block;border-radius:8px;padding:15px 16px;color:var(--ink)}.mega-right button:hover{background:#f0f6ff}.mega-right strong{display:block;font-size:15px}.mega-right span{display:block;margin-top:5px;color:var(--muted);font-size:13px}main{overflow:hidden}.hero,.simple-page,.family-section,.category-layout,.pdp,.lower-grid,.info-grid,.reviews,.cta,.contact-page{width:min(1180px,calc(100% - 36px));margin-inline:auto}.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.95fr);gap:50px;align-items:center;min-height:calc(100dvh - 76px);padding:62px 0}.eyebrow{color:var(--blue);font-size:13px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.hero h1,.simple-page h1,.pdp h1{margin:14px 0 18px;font-size:clamp(42px,6vw,74px);line-height:.96;letter-spacing:-.055em}.lead,.hero p,.simple-page p{color:var(--muted);font-size:18px;line-height:1.75}.hero-actions{display:flex;align-items:center;gap:16px;margin-top:30px}.product-visual{position:relative;display:grid;place-items:center;overflow:hidden;min-height:300px;border:1px solid var(--line);border-radius:12px;background:linear-gradient(135deg,#eaf4ff,#f8fbff);box-shadow:var(--shadow)}.hero .product-visual{min-height:520px}.product-visual img{max-width:86%;max-height:86%;object-fit:contain}.product-visual span{position:absolute;left:16px;bottom:16px;border-radius:8px;background:#0b1220d1;color:#fff;padding:9px 12px;font-size:12px;font-weight:800}.trust-bar{width:min(1180px,calc(100% - 36px));margin:0 auto 54px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:0 12px 35px #0f23400f}.trust-bar span{padding:18px;text-align:center;font-weight:850;color:#10233d;border-right:1px solid var(--line)}.trust-bar span:last-child{border-right:0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:20px}.section-head h2,.info-grid h2,.reviews h2,.cta h2,.lower-grid h2{margin:0;color:var(--ink);font-size:clamp(30px,4vw,48px);letter-spacing:-.04em}.section-head p{max-width:440px;color:var(--muted);line-height:1.7}.family-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.family-grid article{border:1px solid var(--line);border-radius:12px;background:#fff;padding:14px;box-shadow:0 16px 40px #0f234012;transition:.18s}.family-grid article:hover,.product-row:hover{transform:translateY(-3px);border-color:#0f63ff59}.family-grid .product-visual{min-height:230px;box-shadow:none}.family-grid h3{margin:18px 4px 8px;font-size:23px}.family-grid p{margin:0 4px 18px;color:var(--muted);line-height:1.65}.family-grid button{margin:0 4px 4px;border:0;background:transparent;color:var(--blue);font-weight:900}.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:76px 0}.info-grid h2{grid-column:1/-1}.info-grid p{margin:0;border-left:3px solid var(--blue);background:#fff;padding:18px;color:#34465d;line-height:1.6}.reviews{margin-top:68px;border-radius:18px;background:linear-gradient(135deg,#070b12,#111827);padding:28px;color:#fff}.reviews>div:first-child{display:flex;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.16);padding-bottom:12px;color:#60a5fa;font-size:13px;font-weight:900}.reviews h2{margin:24px 0;color:#fff}.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.review-grid article{border:1px solid rgba(255,255,255,.12);border-radius:12px;background:#ffffff0f;padding:18px}.review-grid p{color:#dbe5f0;line-height:1.7}.cta{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-block:72px;border-radius:12px;background:#10233d;color:#fff;padding:36px}.cta h2{color:#fff}.simple-page{padding:94px 0 70px}.simple-page .trust-bar{width:100%;margin:30px 0 0}.category-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:28px;padding:34px 0 80px}.category-sidebar{position:sticky;top:96px;align-self:start;border:1px solid var(--line);border-radius:12px;background:#fff;padding:10px;box-shadow:0 12px 30px #0f23400f}.category-sidebar button{width:100%;border:0;border-radius:8px;background:transparent;text-align:left;padding:12px;color:#10233d;font-weight:800}.category-sidebar button:hover,.category-sidebar button.active{background:#edf5ff;color:var(--blue)}.sidebar-title{color:var(--blue)!important}.sidebar-series{margin:0 0 8px 10px;padding-left:8px;border-left:1px solid var(--line)}.sidebar-series button{font-size:13px;font-weight:700;color:var(--muted)}.category-content{min-width:0}.category-hero{display:grid;grid-template-columns:1fr 260px;gap:24px;align-items:center;margin-bottom:24px;border:1px solid var(--line);border-radius:12px;background:#fff;padding:24px}.category-hero h1,.series-head h1{margin:8px 0 12px;font-size:clamp(34px,4.6vw,58px);line-height:1}.category-hero .product-visual{min-height:220px}.single-list,.product-list{display:grid;gap:10px}.single-list button,.product-row{width:100%;border:1px solid var(--line);border-radius:10px;background:#fff;padding:18px;text-align:left;box-shadow:0 10px 28px #0f23400d;transition:.18s}.single-list button:hover{border-color:#0f63ff59;background:#f8fbff}.single-list strong{display:block;font-size:19px}.single-list span{display:block;margin-top:6px;color:var(--muted)}.series-head{margin-bottom:24px}.series-head p{max-width:700px;color:var(--muted);line-height:1.7}.product-row{display:grid;grid-template-columns:150px minmax(0,1fr) auto;gap:18px;align-items:center;cursor:pointer}.product-row .product-visual{min-height:130px;box-shadow:none}.product-row h3{margin:0 0 4px}.product-row p{margin:0 0 12px;color:var(--muted)}.product-row dl,.spec-summary{display:grid;grid-template-columns:max-content minmax(0,1fr);gap:6px 12px;margin:0}.product-row dt,.spec-summary dt{color:var(--muted);font-size:12px}.product-row dd,.spec-summary dd{margin:0;font-weight:800;color:#10233d}.product-row>button{border:0;background:transparent;color:var(--blue);font-weight:900}.pdp{display:grid;grid-template-columns:minmax(0,1fr) 430px;gap:34px;align-items:start;padding:36px 0 40px}.gallery{display:grid;gap:12px}.main-image{display:grid;place-items:center;min-height:590px;border:1px solid var(--line);border-radius:12px;background:linear-gradient(135deg,#edf6ff,#fff);box-shadow:var(--shadow)}.main-image img{max-width:88%;max-height:88%;object-fit:contain}.thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.thumbs button{height:110px;border:1px solid var(--line);border-radius:10px;background:#fff}.thumbs img{max-width:86%;max-height:86%;object-fit:contain}.pdp-panel{position:sticky;top:96px;border:1px solid var(--line);border-radius:12px;background:#fff;padding:24px;box-shadow:var(--shadow)}.pdp-panel h1{font-size:clamp(32px,4vw,48px)}.crumb{color:var(--muted);font-weight:800}.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}.tag-row span{border:1px solid var(--line);border-radius:999px;padding:7px 10px;color:#10233d;font-size:12px;font-weight:800;background:#f8fbff}.qty{display:grid;grid-template-columns:1fr 42px 64px 42px;gap:8px;align-items:center;margin:18px 0}.qty button,.qty input{height:42px;border:1px solid var(--line);border-radius:8px;background:#fff;text-align:center}.pdp-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.pdp-actions .primary{grid-column:1/-1}.lower-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:18px;margin-bottom:80px}.table-card,.support-card,.related-card{border:1px solid var(--line);border-radius:12px;background:#fff;padding:20px;box-shadow:0 12px 30px #0f23400f}.table-scroll{overflow:auto}table{width:100%;border-collapse:collapse;min-width:680px}th,td{padding:13px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{color:#10233d;background:#f7faff}.support-card p{border-left:3px solid var(--blue);padding-left:12px;color:var(--muted);line-height:1.6}.related-card button{display:block;width:100%;border:0;border-radius:8px;background:#f7faff;margin-top:8px;padding:12px;text-align:left;color:#10233d;font-weight:800}.contact-page{display:grid;grid-template-columns:.8fr 1.2fr;gap:36px;padding:70px 0}.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:12px}.contact-form input,.contact-form textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:13px;background:#fff}.contact-form textarea,.contact-form button{grid-column:1/-1}@media(max-width:980px){.site-header{grid-template-columns:1fr auto;height:auto;min-height:76px;padding-block:12px}.site-nav{grid-column:1/-1;justify-content:flex-start;overflow-x:auto}.header-actions .primary{display:none}.hero,.category-layout,.pdp,.lower-grid,.contact-page,.category-hero{grid-template-columns:1fr}.category-sidebar,.pdp-panel{position:static}.hero{min-height:auto}.trust-bar,.family-grid,.review-grid{grid-template-columns:1fr}.trust-bar span{border-right:0;border-bottom:1px solid var(--line)}.trust-bar span:last-child{border-bottom:0}.info-grid{grid-template-columns:1fr}.mega-overlay{inset:0;align-items:stretch}.mega-panel{width:100%;max-height:none;border-radius:0;grid-template-columns:1fr;background:#fff}.mega-left{border-right:0;border-bottom:1px solid var(--line)}.mega-right{max-height:50vh}.product-row{grid-template-columns:110px minmax(0,1fr)}.product-row>button{grid-column:1/-1;text-align:left}.main-image{min-height:360px}.pdp-actions,.contact-form{grid-template-columns:1fr}}@media(max-width:620px){.hero h1,.simple-page h1{font-size:40px}.product-row{grid-template-columns:1fr}.hero .product-visual{min-height:360px}.category-hero .product-visual{min-height:180px}.cta{align-items:flex-start;flex-direction:column}.site-nav button{padding:0 12px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important}}