:root{--navy:#0a192f;--navy2:#0e2240;--bg:#071325;--text:#ccd6f6;--muted:#8892b0;--accent:#64ffda;--light:#f7f9fc;--ink:#0a192f;--body:#495057}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(1120px,calc(100% - 40px));margin:0 auto}.icon{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;vertical-align:-.15em;flex-shrink:0}.site-header{position:fixed;z-index:50;top:0;left:0;right:0;height:72px;background:rgba(10,25,47,.68);backdrop-filter:blur(18px);border-bottom:1px solid rgba(136,146,176,.12);transition:.25s}.nav-wrap{height:72px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px}.brand img{height:40px;width:auto;object-fit:contain}.brand-title{display:flex;flex-direction:column;line-height:1.05}.brand-title strong{font-size:14px;letter-spacing:.05em;color:#ccd6f6}.brand-title span{font-size:10px;color:var(--muted);letter-spacing:.18em}.nav{display:flex;align-items:center;gap:28px}.nav a{font-size:14px;color:var(--muted);font-weight:600}.nav a:hover,.nav a.active{color:var(--accent)}.nav .phone{display:inline-flex;align-items:center;gap:6px;background:var(--accent);color:var(--navy)!important;padding:9px 15px;border-radius:999px;font-size:12px!important}.mobile-toggle{display:none;background:transparent;border:0;color:var(--text);font-size:26px;padding:8px}.mobile-toggle .icon{width:26px;height:26px}.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;background:url('../assets/hero-bg.jpg') center/cover no-repeat}.hero:before{content:"";position:absolute;inset:0;background:rgba(10,25,47,.78)}.hero:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 60% 35%,rgba(100,255,218,.20),transparent 32%),linear-gradient(180deg,rgba(0,0,0,.05),rgba(10,25,47,.55))}.particle-canvas{position:absolute;inset:0;z-index:1;pointer-events:none}.hero-content{position:relative;z-index:2;text-align:center;padding-top:72px}.glass{background:rgba(17,34,64,.58);border:1px solid rgba(100,255,218,.16);box-shadow:0 12px 40px rgba(0,0,0,.22),inset 0 1px 0 rgba(255,255,255,.07);backdrop-filter:blur(15px)}.hero-card{max-width:880px;margin:64px auto 28px;border-radius:22px;padding:48px 42px}.hero h1{font-size:clamp(34px,5vw,56px);margin:0 0 18px;line-height:1.12;color:#d9fff7;text-shadow:0 0 24px rgba(100,255,218,.32)}.gradient-text{background:linear-gradient(90deg,#ccd6f6,#64ffda,#ccd6f6);-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{font-size:18px;color:#b6c2dc;line-height:1.9;margin:0 auto;max-width:760px}.hero-actions{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--accent);color:var(--navy);border-radius:10px;padding:12px 22px;font-weight:800;border:0;cursor:pointer;font-size:14px;transition:.2s}.button:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(100,255,218,.2)}.button .icon{width:16px;height:16px}.button.small{padding:10px 20px}.button-outline-light{background:transparent;color:var(--accent);border:1px solid var(--accent)}.button-outline-light:hover{background:var(--accent);color:var(--navy)}.outline-dark{background:transparent;color:var(--ink);border:1px solid var(--ink)}.outline-dark:hover{background:var(--ink);color:white}.outline-glass{background:transparent;color:var(--accent);border:1px solid rgba(100,255,218,.5)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;max-width:860px;margin:0 auto}.stat{border-radius:16px;padding:18px 12px;text-align:center}.stat .icon{width:26px;height:26px;color:var(--accent);margin-bottom:8px}.stat b{display:block;font-size:24px;color:#e6f7ff;margin-bottom:6px}.stat span{font-size:13px;color:var(--muted)}section{position:relative}.section-light{background:#f7f9fc;color:var(--ink)}.section-dark{background:#0a192f;color:var(--text)}.pad{padding:92px 0}.pad-sm{padding:64px 0}.section-title{text-align:center;margin-bottom:44px}.section-title h2{margin:0 0 12px;font-size:32px;color:inherit}.section-title p{margin:0 auto;max-width:680px;color:var(--muted);font-size:14px;line-height:1.8}.section-light .section-title p,.light-muted{color:var(--body)!important}.grid2{display:grid;grid-template-columns:1fr 2fr;gap:56px;align-items:start}.grid2 h2,.about-grid h2{font-size:32px;line-height:1.25;margin:0 0 18px}.grid2 p{font-size:14px;line-height:1.85}.cards4{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.card,.service-card{background:white;color:var(--ink);border-radius:16px;padding:26px;box-shadow:0 10px 28px rgba(10,25,47,.06);border-top:2px solid transparent;transition:.25s}.card:hover,.service-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:0 14px 32px rgba(10,25,47,.10)}.card-icon{color:var(--navy);font-size:36px;margin-bottom:16px}.service-icon{font-size:42px}.card h3,.service-card h3{margin:0 0 10px;font-size:18px}.card p,.service-card p{margin:0;color:var(--body);font-size:14px;line-height:1.8}.tabs{display:flex;justify-content:center;gap:14px;margin-bottom:32px;flex-wrap:wrap}.tab{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(136,146,176,.35);color:var(--muted);padding:12px 24px;border-radius:999px;background:transparent;cursor:pointer;font-weight:700}.tab .icon{width:16px;height:16px}.tab.active{background:var(--accent);color:var(--navy);border-color:var(--accent)}.cat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}.cat{border-radius:16px;padding:20px;text-align:center;transition:.25s}.cat:hover{border-color:rgba(100,255,218,.45);transform:translateY(-3px)}.cat b{font-size:24px;color:#e5f6ff}.cat span{display:block;margin-top:6px;font-size:13px;color:var(--muted)}.home-summary{text-align:center;color:#8892b0;margin:30px 0 0}.center{text-align:center}.mt24{margin-top:24px}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.service-cta{text-align:center;margin-top:34px}.vision{min-height:540px;background:url('../assets/lab-vision.jpg') center/cover 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p{font-size:14px;color:#495057;line-height:1.9;margin:0 0 16px}.about-img{border-radius:16px;overflow:hidden;box-shadow:0 16px 42px rgba(10,25,47,.16)}.about-img img{height:360px;width:100%;object-fit:cover}.adv-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.adv{border-radius:16px;padding:24px;display:flex;gap:16px}.adv>.icon{width:26px;height:26px;color:#64ffda;margin-top:2px}.adv h3{margin:0 0 8px;font-size:18px;color:#ccd6f6}.adv p{margin:0;color:#8892b0;font-size:14px;line-height:1.8}.mission-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;text-align:center}.mission-grid .icon{font-size:42px;color:#0a192f;margin-bottom:16px}.mission-grid h3{margin:0 0 10px;font-size:18px}.mission-grid p{font-size:14px;color:#495057;line-height:1.85;margin:0}.product-toolbar,.news-filter{background:#0e2240;border-bottom:1px solid rgba(136,146,176,.1)}.toolbar-row{display:flex;align-items:center;gap:16px;padding:16px 0}.search-wrap{flex:1;display:flex;align-items:center;gap:10px;position:relative}.search-wrap>.icon{position:absolute;left:12px;color:#8892b0;width:17px;height:17px}.search-wrap input{width:100%;padding:12px 14px 12px 40px;border-radius:10px;background:#0a192f;border:1px solid rgba(136,146,176,.22);color:#ccd6f6;outline:none}.search-wrap input:focus{border-color:#64ffda}.catalog-buttons{display:flex;gap:8px}.catalog-buttons button{display:inline-flex;align-items:center;gap:6px;padding:11px 16px;border-radius:10px;background:transparent;border:1px solid rgba(136,146,176,.22);color:#8892b0;font-weight:700;cursor:pointer}.catalog-buttons button.active{background:#64ffda;color:#0a192f;border-color:#64ffda}.catalog-buttons .icon{width:16px;height:16px}.category-bar{background:rgba(14,34,64,.7);border-bottom:1px solid rgba(136,146,176,.08)}.category-row{display:flex;gap:10px;align-items:center;padding:12px 0}.category-row>.icon{width:17px;height:17px;color:#8892b0}.category-buttons{display:flex;gap:8px;overflow-x:auto;padding-bottom:2px}.category-buttons button{flex:0 0 auto;border:1px solid transparent;background:transparent;color:#8892b0;padding:7px 12px;border-radius:999px;font-size:12px;font-weight:700;cursor:pointer}.category-buttons button.active{background:rgba(100,255,218,.15);border-color:rgba(100,255,218,.35);color:#64ffda}.product-section,.news-section{padding:32px 0 56px;min-height:500px}.product-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;color:#8892b0;font-size:14px}.product-head span{color:#64ffda}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.product-card{border-radius:16px;padding:16px;transition:.25s;display:block;min-height:150px}.product-card:hover{border-color:rgba(100,255,218,.35);transform:translateY(-3px)}.product-card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:8px;margin-bottom:10px}.badge{font-size:10px;padding:3px 7px;border-radius:999px;background:rgba(100,255,218,.10);color:#64ffda}.type-label{font-size:10px;color:#8892b0}.product-card h3{font-size:15px;line-height:1.35;margin:0 0 6px;color:#ccd6f6;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.product-card:hover h3{color:#64ffda}.product-card p{font-size:12px;color:#8892b0;margin:0 0 8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.product-tags{display:flex;flex-wrap:wrap;gap:6px}.product-tags span{font-size:10px;padding:3px 6px;border-radius:5px;background:rgba(136,146,176,.10);color:#8892b0}.product-tags .purity{background:rgba(100,255,218,.08);color:#64ffda}.pagination{display:flex;gap:8px;align-items:center;justify-content:center;margin-top:34px;flex-wrap:wrap}.pagination button{width:36px;height:36px;border-radius:10px;background:transparent;border:1px solid rgba(136,146,176,.25);color:#8892b0;cursor:pointer}.pagination button.active{background:#64ffda;color:#0a192f;border-color:#64ffda}.empty{text-align:center;color:#8892b0;padding:80px 0}.detail-card{border-radius:16px;padding:28px}.detail-card h2{color:#ccd6f6;margin:0 0 14px}.detail-meta{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}.detail-meta p{background:rgba(136,146,176,.08);padding:12px;border-radius:10px;color:#8892b0;font-size:14px;margin:0}.detail-meta b{color:#ccd6f6}.services-main{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.service-card ul{padding:0;margin:20px 0 0;list-style:none}.service-card li{display:flex;align-items:center;gap:8px;font-size:14px;color:#495057;margin-top:10px}.service-card li .icon{width:16px;height:16px;color:#64ffda}.process-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}.process-item{border-radius:16px;padding:22px;text-align:center}.process-item b{font-size:28px;color:#64ffda}.process-item h4{margin:10px 0 6px;color:#ccd6f6}.process-item p{margin:0;color:#8892b0;font-size:12px;line-height:1.5}.sample-section{padding:64px 0}.sample-cta{background:#0a192f;border-radius:24px;padding:44px;text-align:center}.sample-cta>.icon{font-size:48px;color:#64ffda;margin-bottom:18px}.sample-cta h2{color:#ccd6f6;margin:0 0 12px}.sample-cta p{color:#8892b0;font-size:14px;line-height:1.8;max-width:580px;margin:0 auto 24px}.news-filter .container{display:flex;gap:12px;padding:16px 0}.news-filter button{display:inline-flex;align-items:center;gap:7px;background:transparent;border:0;color:#8892b0;border-radius:10px;padding:10px 16px;font-weight:700;cursor:pointer}.news-filter button.active{background:#64ffda;color:#0a192f}.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.news-card{border-radius:16px;padding:24px;transition:.25s}.news-card:hover{border-color:rgba(100,255,218,.35);transform:translateY(-3px)}.news-meta{display:flex;align-items:center;gap:9px;margin-bottom:12px}.news-meta span:first-child{font-size:10px;padding:3px 8px;border-radius:999px;background:rgba(100,255,218,.14);color:#64ffda}.news-meta span:last-child{display:flex;align-items:center;gap:4px;font-size:10px;color:#8892b0}.news-card h3{font-size:17px;line-height:1.45;margin:0 0 10px;color:#ccd6f6}.news-card p{font-size:14px;color:#8892b0;line-height:1.75;margin:0}.contact-grid{display:grid;grid-template-columns:1fr 2fr;gap:32px}.contact-side{display:flex;flex-direction:column;gap:24px}.contact-card,.form-card{border-radius:16px;padding:26px}.contact-card h3,.form-card h3{font-size:20px;margin:0 0 22px;color:#ccd6f6}.contact-list>div{display:flex;gap:12px;margin-top:18px}.contact-list .icon{width:21px;height:21px;color:#64ffda;margin-top:2px}.contact-list p{margin:0}.contact-list span{display:block;color:#8892b0;font-size:12px;margin-bottom:4px}.contact-list b,.contact-list a{font-size:14px;color:#ccd6f6;font-weight:600;line-height:1.6}.contact-list a:hover{color:#64ffda}.hours p{display:flex;justify-content:space-between;margin:10px 0;font-size:14px}.hours span{color:#8892b0}.hours b{color:#ccd6f6}.hours em{color:#8892b0;font-style:normal}.form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.contact-form{display:flex;flex-direction:column;gap:18px}.contact-form label{font-size:12px;color:#8892b0;font-weight:600}.contact-form label span{color:#64ffda}.contact-form input,.contact-form select,.contact-form textarea{display:block;width:100%;margin-top:7px;background:rgba(10,25,47,.55);border:1px solid rgba(136,146,176,.22);border-radius:10px;padding:12px;color:#ccd6f6;outline:none}.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:#64ffda}.submit-success{display:none;text-align:center;padding:40px 0}.submit-success .icon{font-size:48px;color:#64ffda}.submit-success h4{font-size:20px;color:#ccd6f6;margin:12px 0 8px}.submit-success p{color:#8892b0}.cases-list{max-width:980px}.case-card{display:flex;gap:20px;border-radius:16px;padding:28px;margin-bottom:22px}.case-icon{width:50px;height:50px;border-radius:12px;background:rgba(100,255,218,.1);display:flex;align-items:center;justify-content:center;color:#64ffda;font-size:25px;flex-shrink:0}.case-card span{display:inline-block;font-size:10px;padding:3px 8px;border-radius:999px;background:rgba(100,255,218,.1);color:#64ffda;font-weight:700}.case-card h3{color:#ccd6f6;margin:12px 0}.case-card p{color:#8892b0;font-size:14px;line-height:1.8;margin:0 0 12px}.tags{display:flex;gap:7px;flex-wrap:wrap}.tags em{font-style:normal;font-size:10px;padding:3px 8px;border-radius:5px;background:rgba(136,146,176,.1);color:#8892b0}.narrow{max-width:760px}.privacy{border-radius:16px;padding:32px}.privacy h2{font-size:19px;color:#ccd6f6;margin:0 0 12px}.privacy p{color:#8892b0;font-size:14px;line-height:1.85;margin:0 0 28px}footer{background:#060e1a;border-top:1px solid rgba(136,146,176,.1)}.footer-pad{padding:64px 0 28px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:42px}.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}.footer-logo img{height:38px}.footer-logo span{display:flex;flex-direction:column}.footer-logo strong{font-size:14px;color:#ccd6f6}.footer-logo small{color:#8892b0;letter-spacing:.18em}.footer-brand p{color:#8892b0;font-size:14px;line-height:1.8;max-width:420px}.footer-contact p{display:flex;align-items:center;gap:8px;margin:8px 0;color:#8892b0}.footer-contact .icon{color:#64ffda}.footer-grid h4{font-size:14px;color:#ccd6f6;margin:0 0 18px}.footer-grid a{display:block;color:#8892b0;font-size:14px;margin:10px 0}.footer-grid a:hover{color:#64ffda}.copy{display:flex;justify-content:space-between;gap:12px;border-top:1px solid rgba(136,146,176,.1);padding-top:22px;margin-top:44px;color:#8892b0;font-size:12px}.float-wrap{position:fixed;right:24px;bottom:24px;z-index:60;display:flex;flex-direction:column;align-items:flex-end;gap:10px}.float-panel{display:none;flex-direction:column;gap:8px}.float-panel.open{display:flex}.float-panel a{display:flex;align-items:center;gap:8px;border-radius:999px;padding:12px 16px;color:#ccd6f6;background:rgba(17,34,64,.82);border:1px solid rgba(100,255,218,.16);backdrop-filter:blur(12px);font-size:14px}.float-panel a:hover{color:#64ffda}.float-btn{width:56px;height:56px;border-radius:50%;border:0;background:#64ffda;color:#0a192f;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 26px rgba(0,0,0,.25);cursor:pointer}.float-btn .icon{width:24px;height:24px}@media(max-width:980px){.nav{display:none;position:absolute;top:72px;left:0;right:0;background:rgba(10,25,47,.96);padding:20px;flex-direction:column;align-items:flex-start;border-top:1px solid rgba(136,146,176,.15)}.nav.open{display:flex}.mobile-toggle{display:block}.grid2,.about-grid,.contact-grid{grid-template-columns:1fr}.service-grid,.services-main,.news-grid,.mission-grid{grid-template-columns:1fr}.cards4,.adv-grid{grid-template-columns:1fr}.cat-grid{grid-template-columns:repeat(2,1fr)}.product-grid{grid-template-columns:repeat(2,1fr)}.toolbar-row{flex-direction:column;align-items:stretch}.catalog-buttons{justify-content:flex-start;overflow-x:auto}.process-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.copy{flex-direction:column}.form-row{grid-template-columns:1fr}}@media(max-width:640px){.container{width:min(100% - 28px,1120px)}.hero-card{padding:34px 22px}.stats{grid-template-columns:1fr}.product-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.page-hero h1{font-size:32px}.pad{padding:70px 0}.cat-grid{grid-template-columns:1fr 1fr}.case-card{flex-direction:column}.brand-title{display:none}}
.contact-grid-simple{grid-template-columns:1fr;max-width:860px}.contact-grid-simple .contact-side{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.search-wrap .button,.product-toolbar .button.small{border-radius:10px;padding:12px 20px}
@media(max-width:980px){.contact-grid-simple .contact-side{grid-template-columns:1fr}}

/* V5 refinements: original-like product search control */
.product-toolbar .search-wrap{gap:0;max-width:640px;}
.product-toolbar .search-wrap input{border-radius:10px 0 0 10px;border-right:0;height:44px;}
.product-toolbar #searchBtn{width:64px;min-width:64px;flex:0 0 64px;height:44px;padding:0;border-radius:0 10px 10px 0;box-shadow:none;}
.product-toolbar #searchBtn:hover{transform:none;box-shadow:none;}

/* V5: service process arrows, desktop only */
@media (min-width:981px){
  .process-grid .process-item{position:relative;}
  .process-grid .process-item:not(:last-child)::after{content:"→";position:absolute;right:-20px;top:50%;transform:translateY(-50%);color:var(--accent);font-size:24px;font-weight:700;line-height:1;z-index:3;}
}

/* V5: footer brand logo must sit left of company name */
.footer-grid .footer-logo{display:flex!important;align-items:center!important;gap:10px!important;margin:0 0 16px!important;}
.footer-grid .footer-logo img{height:38px;width:auto;flex:0 0 auto;}
.footer-grid .footer-logo span{display:flex!important;flex-direction:column!important;}
.footer-grid .footer-logo strong,.footer-grid .footer-logo small{display:block;}