:root{
  --r-blue-950:#031d35;--r-blue-900:#062844;--r-blue-850:#073657;
  --r-blue-800:#08466f;--r-blue-700:#0b5c91;--r-blue-600:#1179bb;
  --r-blue-500:#168ddd;--r-cyan:#27a9e8;--r-ice:#eaf3f9;
  --r-paper:#f4f7fa;--r-white:#fff;--r-ink:#102b43;--r-muted:#5e7385;
  --r-line:#d5e0e8;--r-gold:#bf8c39;--r-shadow:0 12px 32px rgba(4,39,68,.11);
  --r-max:1480px;
}
html{scroll-behavior:smooth}body.v15{background:#fff;color:var(--r-ink);font-family:"Segoe UI",Arial,sans-serif;line-height:1.5}
body.v15 .container{width:min(var(--r-max),calc(100% - 48px));margin-inline:auto}
body.v15 a{transition:color .18s,background .18s,border-color .18s,transform .18s,box-shadow .18s}
body.v15 h1,body.v15 h2,body.v15 h3,body.v15 h4{font-family:"Segoe UI",Arial,sans-serif;color:var(--r-ink);letter-spacing:-.025em}


body.v15 .topbar{background:#eef4f8;color:#48657b;border-bottom:1px solid #dbe6ed;font-size:12px}
body.v15 .topbar .container{min-height:34px;display:flex;align-items:center;justify-content:space-between;gap:20px}
body.v15 .topbar-left,body.v15 .topbar-right{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
body.v15 .topbar-location{display:flex;align-items:center;gap:7px;font-weight:600}
body.v15 .topbar-location:before{content:"◆";font-size:8px;color:var(--r-blue-600)}
body.v15 .topbar a:hover{color:var(--r-blue-700)}
body.v15 .lang{display:flex;gap:9px;align-items:center;font-size:11px;font-weight:700}
body.v15 .lang strong{color:var(--r-blue-700)}


body.v15 .header{position:sticky;top:0;z-index:70;background:#fff;border:0;box-shadow:0 1px 0 rgba(4,50,83,.10)}
body.v15 .masthead{background:#fff}
body.v15 .masthead-row{min-height:100px;display:grid;grid-template-columns:minmax(420px,1.2fr) minmax(280px,.8fr) auto;align-items:center;gap:28px}
body.v15 .brand{display:flex;align-items:center;gap:15px;min-width:0}
body.v15 .brand-emblem{width:62px;height:62px;display:grid;place-items:center;color:#fff;font-weight:900;font-size:13px;line-height:1;text-align:center;background:linear-gradient(145deg,#0f81c7,#073a64);clip-path:polygon(25% 4%,75% 4%,100% 50%,75% 96%,25% 96%,0 50%);box-shadow:0 8px 20px rgba(7,70,111,.22)}
body.v15 .brand-copy{min-width:0;border-left:1px solid #d7e2e9;padding-left:18px}
body.v15 .brand-copy strong{font-size:17px;line-height:1.2;display:block;color:#0b3557;max-width:590px}
body.v15 .brand-copy span{display:block;font-size:12px;color:#668095;margin-top:5px}
body.v15 .masthead-quote{font-family:Georgia,serif;font-size:14px;font-style:italic;color:#47657a;line-height:1.45;text-align:center;max-width:340px;justify-self:center}
body.v15 .masthead-quote b{display:block;font-family:"Segoe UI",Arial,sans-serif;font-style:normal;font-size:11px;margin-top:4px;color:#254d6c}
body.v15 .masthead-side{font-size:10px;line-height:1.45;text-transform:uppercase;letter-spacing:.06em;color:#55758d;border-left:1px solid #d7e2e9;padding-left:18px;font-weight:700}


body.v15 .primary-nav{background:linear-gradient(90deg,#063258,#084b78);color:#fff}
body.v15 .primary-nav-row{display:flex;align-items:stretch;min-height:48px}
body.v15 .nav{margin:0;display:flex;align-items:stretch;gap:0;flex:1;min-width:0}
body.v15 .nav a{color:#fff;padding:15px 16px 13px;border:0!important;font-size:12px;font-weight:700;white-space:nowrap;display:flex;align-items:center}
body.v15 .nav a:hover,body.v15 .nav a.active{background:rgba(255,255,255,.12);color:#fff}
body.v15 .contact-cta{display:flex;align-items:center;gap:8px;padding:0 20px;background:#1389da;color:#fff;font-size:12px;font-weight:800;white-space:nowrap}
body.v15 .contact-cta:hover{background:#0f75bd;color:#fff}
body.v15 .search-btn,body.v15 .menu-btn{width:48px;height:48px;border:0;border-left:1px solid rgba(255,255,255,.14);border-radius:0;background:#042a49;color:#fff;font-size:18px}
body.v15 .menu-btn{display:none}


body.v15 .subsite-bar{background:#0c6f91;color:#fff;border-bottom:1px solid rgba(0,0,0,.08)}
body.v15.microsite-petrochemical-institute .subsite-bar{background:#8b672b}
body.v15 .subsite-row{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:56px}
body.v15 .subsite-title{font-size:15px;font-weight:800;letter-spacing:-.01em}
body.v15 .subsite-menu{display:flex;align-items:center;gap:4px;flex-wrap:wrap;justify-content:flex-end}
body.v15 .subsite-menu a{font-size:11px;font-weight:700;padding:7px 9px;border-radius:3px;color:#fff}
body.v15 .subsite-menu a:hover{background:rgba(255,255,255,.13)}


body.v15 .page-hero{position:relative;overflow:hidden;background:linear-gradient(100deg,#062d4d 0%,#084c77 64%,#0e6e9c 100%);color:#fff;padding:56px 0 58px;border:0}
body.v15 .page-hero:after{content:"";position:absolute;inset:0 0 0 58%;background:center/cover no-repeat;opacity:.21;mix-blend-mode:screen;filter:saturate(.8)}
body.v15.section-people .page-hero:after{background-image:url('../images/generated/portrait_scientist_female.png')}
body.v15.section-laboratories .page-hero:after{background-image:url('../images/generated/lab_reactors.png')}
body.v15.section-equipment .page-hero:after{background-image:url('../images/generated/lab_microscopy.png')}
body.v15.section-projects .page-hero:after{background-image:url('../images/generated/hero_main.png')}
body.v15.section-research .page-hero:after{background-image:url('../images/generated/lab_electrochem.png')}
body.v15.section-corrosion-center .page-hero:after{background-image:url('../images/generated/lab_corrosion.png')}
body.v15.section-petrochemical-institute .page-hero:after{background-image:url('../images/generated/hero_main.png')}
body.v15 .page-hero .container{position:relative;z-index:1}
body.v15 .breadcrumbs{font-size:11px;color:#c7d9e5;margin:0 0 16px;display:flex;gap:8px;flex-wrap:wrap}
body.v15 .breadcrumbs a{color:#e7f3fa}
body.v15 .hero-kicker{font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:800;color:#8ed4ff;margin-bottom:9px}
body.v15 .page-hero h1{color:#fff;font-size:clamp(34px,4vw,56px);line-height:1.04;margin:0 0 15px;max-width:1000px}
body.v15 .page-hero p{color:#dcebf4;font-size:17px;max-width:900px;margin:0}
body.v15 .page-hero .quick-stats{margin-top:28px}


body.v15 .subnav{background:#fff;border-bottom:1px solid var(--r-line);position:sticky;top:148px;z-index:35;box-shadow:0 4px 14px rgba(4,39,68,.04)}
body.v15 .subnav .container{display:flex;gap:0;overflow-x:auto}
body.v15 .subnav a{padding:13px 15px;border:0!important;border-bottom:3px solid transparent!important;font-size:12px;font-weight:700;white-space:nowrap;color:#35556c}
body.v15 .subnav a:hover,body.v15 .subnav a.active{color:#0871b3;border-bottom-color:#1389da!important;background:#f4f9fc}


body.v15 .section{padding:62px 0}
body.v15 .section.alt{background:#f3f7fa}
body.v15 .section.dark{background:#052a47;color:#fff}
body.v15 .section.compact{padding:32px 0}
body.v15 .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:34px;margin-bottom:28px}
body.v15 .section-head h2{font-size:clamp(28px,3vw,42px);margin:6px 0 0;color:#0b3557;line-height:1.08}
body.v15 .section-head p{color:#647c8d;max-width:650px;font-size:14px}
body.v15 .eyebrow{font-size:10px;color:#1685cc;letter-spacing:.13em;text-transform:uppercase;font-weight:900;display:flex;align-items:center;gap:8px}
body.v15 .eyebrow:before{content:"";width:22px;height:2px;background:#1685cc}
body.v15 .text-link{color:#0878bd;font-size:12px;font-weight:800}
body.v15 .text-link:hover{color:#034b7b}
body.v15 .content-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:44px;align-items:start}
body.v15 .prose{font-size:15px;color:#2b485d;min-width:0}
body.v15 .prose h2{font-size:30px;color:#0a395d;margin:0 0 18px}
body.v15 .prose h3{font-size:21px;color:#0c456e;margin:28px 0 12px}
body.v15 .prose a{color:#0878bd;text-decoration:none;font-weight:650}
body.v15 .prose a:hover{text-decoration:underline}
body.v15 .side-panel{background:#f1f6f9;border:1px solid #d4e1e9;border-radius:4px;padding:22px;position:sticky;top:218px}
body.v15 .side-panel h3{font-size:17px;margin:0 0 15px;color:#0c466f}
body.v15 .fact{padding:12px 0;border-bottom:1px solid #d9e5ec}
body.v15 .fact:last-child{border-bottom:0}
body.v15 .fact small{display:block;color:#708695;font-size:10px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:4px}
body.v15 .fact strong{font-size:13px;line-height:1.35;color:#173e59}


body.v15 .btn{border-radius:3px;padding:11px 16px;font-size:12px;font-weight:800;box-shadow:none}
body.v15 .btn-primary{background:#1389da;color:#fff;border:1px solid #1389da}
body.v15 .btn-primary:hover{background:#0d72b7;transform:none}
body.v15 .btn-secondary{background:#fff;color:#0b5c91;border:1px solid #9fc4dc}
body.v15 .btn-secondary:hover{background:#eef7fc;border-color:#1389da;color:#064d7b}
body.v15 .chip,body.v15 .filter-chip,body.v15 .method-chip{border-radius:2px!important;background:#eef5f9!important;border:1px solid #d3e3ec!important;color:#22506d!important;font-size:11px!important;padding:7px 9px!important}
body.v15 .chip.active,body.v15 .filter-chip.active{background:#0d6fae!important;border-color:#0d6fae!important;color:#fff!important}


body.v15 .card,body.v15 .catalog-card,body.v15 .coop-card,body.v15 .pub-card,body.v15 .project-category,
body.v15 .lab-focus,body.v15 .impact-card,body.v15 .story-link,body.v15 .project-description-card,
body.v15 .achievement-card,body.v15 .summary-box,body.v15 .cv-summary-card{border:1px solid #d6e1e8;border-radius:4px;background:#fff;box-shadow:none}
body.v15 .card:hover,body.v15 .catalog-card:hover,body.v15 .project-category:hover,body.v15 .story-link:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(4,49,82,.10);border-color:#a9c9dc}
body.v15 .card{padding:22px;min-height:190px}
body.v15 .card h3{font-size:20px;color:#0a3b60;margin:20px 0 9px}
body.v15 .card p{font-size:13px;color:#62798a}
body.v15 .card .num{color:#1389da;font-size:10px}
body.v15 .card .arrow{color:#1389da}


body.v15 .catalog-toolbar{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:24px;padding:14px 0;border-bottom:1px solid #d7e2e9}
body.v15 .searchbox,body.v15 .catalog-search{border:1px solid #cddde7;border-radius:3px;background:#fff;color:#688093;padding:10px 13px;font-size:12px}
body.v15 .catalog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
body.v15 .catalog-card{overflow:hidden}
body.v15 .catalog-thumb{height:205px;background-size:cover!important;background-position:center!important}
body.v15 .catalog-body{padding:18px 19px 20px}
body.v15 .catalog-body .label{color:#1685cc;font-size:9px;letter-spacing:.1em;text-transform:uppercase;font-weight:900}
body.v15 .catalog-body h3{font-size:19px;line-height:1.2;color:#0a3c61;margin:8px 0}
body.v15 .catalog-body p{font-size:13px;color:#61788a}
body.v15 .catalog-meta span{border-radius:2px;background:#eef5f9;border-color:#d7e4eb;font-size:10px}


body.v15 .people-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
body.v15 .person-card{display:block;border:1px solid #d5e1e8;border-radius:4px;background:#fff;overflow:hidden;box-shadow:none}
body.v15 .person-card:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(4,49,82,.10)}
body.v15 .person-photo{height:270px;background:#edf3f7;display:flex;align-items:center;justify-content:center;padding:10px}
body.v15 .person-img{width:100%;height:100%;object-fit:contain!important;object-position:center center;background:#edf3f7}
body.v15 .person-body{padding:16px 17px 19px}
body.v15 .person-body h3{font-size:17px;line-height:1.25;color:#0b3c60;margin:5px 0 0}
body.v15 .role{font-size:10px;color:#1685cc;text-transform:uppercase;letter-spacing:.06em;font-weight:900}
body.v15 .profile-hero{display:grid;grid-template-columns:300px minmax(0,1fr);gap:42px;align-items:stretch;margin-top:18px}
body.v15 .profile-photo{background:#edf3f7;border:1px solid #d5e0e8;border-radius:4px;overflow:hidden;position:relative;min-height:380px}
body.v15 .profile-img{width:100%;height:100%;min-height:380px;object-fit:contain!important;object-position:center;background:#edf3f7}
body.v15 .photo-note{position:absolute;left:0;right:0;bottom:0;background:rgba(3,38,64,.82);color:#fff;padding:7px 10px;font-size:10px;text-align:center}
body.v15 .profile-meta{padding:18px 0}
body.v15 .profile-meta h1{font-size:44px;line-height:1.05;margin:12px 0 14px;color:#0b385b}
body.v15 .profile-meta p{font-size:15px;color:#61798a;max-width:820px}
body.v15 .profile-links{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
body.v15 .profile-links a{background:#0b5f95;color:#fff;padding:8px 11px;border-radius:2px;font-size:11px;font-weight:800}
body.v15 .profile-section{padding:24px 0;border-top:1px solid #d9e4eb;margin-top:10px}
body.v15 .profile-section h3{font-size:22px;color:#0b3d61;margin:0 0 14px}
body.v15 .roster{display:grid;gap:0;border-top:1px solid #d8e3ea}
body.v15 .roster-row{display:grid;grid-template-columns:56px minmax(0,1fr) minmax(180px,.6fr);gap:14px;align-items:center;border-bottom:1px solid #d8e3ea;padding:10px 0}
body.v15 .roster-row:hover{background:#f5f9fb}
body.v15 .roster-photo{width:48px;height:58px;border-radius:2px;background:#edf3f7}
body.v15 .roster-photo img{object-fit:contain!important;background:#edf3f7}
body.v15 .roster-row strong{font-size:13px;color:#0c4167}
body.v15 .roster-row span,body.v15 .roster-row>div:last-child{font-size:11px;color:#677f91}
body.v15 .roster-link{display:contents}
body.v15 .cv-section{padding:24px 0;border-top:1px solid #d8e3ea}
body.v15 .cv-section h2{font-size:24px;color:#0b3e62;margin:0 0 13px}
body.v15 .cv-text{white-space:pre-line;background:#f6f9fb;border-left:3px solid #1685cc;padding:18px 20px;color:#344f62;font-size:13px;line-height:1.65}
body.v15 .resume-source-note{background:#eef6fa;border:1px solid #d4e4ed;border-radius:3px;padding:13px 15px;color:#567284;font-size:12px}


body.v15 .project-list{border-top:2px solid #0d70ae}
body.v15 .project-row{display:grid;grid-template-columns:120px minmax(0,1.3fr) minmax(180px,.7fr) 34px;gap:16px;align-items:center;padding:18px 8px;border-bottom:1px solid #d8e3ea}
body.v15 .project-row:hover{background:#f2f8fb}
body.v15 .project-row .type{color:#1685cc;font-size:10px;font-weight:900}
body.v15 .project-row h3{color:#0a3d61;font-size:17px}
body.v15 .project-row .meta{font-size:11px;color:#6c8292}
body.v15 .project-row .go{color:#1389da}
body.v15 .project-stats{gap:12px}
body.v15 .stat-card{border:1px solid #d4e1e9;border-radius:3px;background:#fff;padding:17px}
body.v15 .stat-card strong{color:#0b4c78;font-size:27px}
body.v15 .detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px}
body.v15 .detail-sidebar{border:1px solid #d3e0e8;border-radius:3px;background:#f2f7fa;padding:5px 20px}
body.v15 .detail-item{border-bottom:1px solid #d7e3ea;padding:14px 0}
body.v15 .detail-item span{font-size:10px;color:#728898;text-transform:uppercase;letter-spacing:.05em}
body.v15 .detail-item strong{font-size:13px;color:#123d59}
body.v15 .project-description-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
body.v15 .project-description-card{padding:20px}
body.v15 .project-description-card h3{font-size:17px;color:#0b436a;margin:0 0 8px}
body.v15 .project-description-card p{font-size:13px;color:#607789;margin:0}
body.v15 .direction-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
body.v15 .direction-link{border:1px solid #cfdee7;border-radius:3px;padding:13px;background:#fff;color:#0b4f7c}
body.v15 .direction-link strong{font-size:13px}
body.v15 .direction-link span{display:block;font-size:10px;color:#6a8293;margin-top:4px}


body.v15 .pub-list{border-top:2px solid #0d70ae}
body.v15 .pub-item{display:grid;grid-template-columns:48px minmax(0,1fr);gap:16px;padding:18px 4px;border-bottom:1px solid #d7e2e9}
body.v15 .pub-item:hover{background:#f4f9fb}
body.v15 .pub-index{color:#7890a0;font-size:10px}
body.v15 .pub-item h3{font-size:17px;color:#0b4269;margin:7px 0}
body.v15 .pub-year{background:#0b5f95;color:#fff;border-radius:2px;padding:4px 6px;font-size:9px}
body.v15 .pub-type,body.v15 .pub-project{background:#e7f2f8;color:#236083;border-radius:2px;padding:4px 6px;font-size:9px}
body.v15 .pub-authors,body.v15 .pub-citation{font-size:12px;color:#667d8e}
body.v15 .pub-links a{font-size:10px;color:#0877ba;font-weight:800}
body.v15 .article-detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:42px}
body.v15 .article-meta-card,body.v15 .fulltext-placeholder{border:1px solid #d1dfe8;border-radius:3px;background:#f4f8fa;padding:20px}
body.v15 .fulltext-frame-wrap{border:1px solid #cbdbe5;border-radius:3px;overflow:hidden;background:#eaf1f5}
body.v15 .fulltext-frame{width:100%;min-height:900px;border:0;background:#fff}
body.v15 .patent-item{border:1px solid #d3e0e8;border-radius:3px}
body.v15 .patent-number{background:#edf4f8}
body.v15 .patent-main h3{color:#0b4268}


body.v15 .equip-catalog{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
body.v15 .equip-card{border:1px solid #d3e0e8;border-radius:4px;background:#fff;overflow:hidden}
body.v15 .equip-card-top{padding:18px 19px;background:linear-gradient(120deg,#073b61,#0a6c9e);color:#fff}
body.v15 .equip-card-top h3{color:#fff;font-size:18px;margin:7px 0 0}
body.v15 .equip-card-top .method{font-size:9px;text-transform:uppercase;letter-spacing:.1em;color:#a8e0ff;font-weight:900}
body.v15 .equip-card-body{padding:17px 19px}
body.v15 .equip-card-body p{font-size:12px;color:#637b8c}
body.v15 .lab-focus-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
body.v15 .lab-focus{border-left:3px solid #1685cc;padding:16px}
body.v15 .lab-focus:before{display:none}
body.v15 .lab-focus strong{color:#0a446c;font-size:13px}
body.v15 .lab-focus p{font-size:12px;color:#657b8b}
body.v15 .evidence-project{border:1px solid #d2dfe7;border-radius:3px;background:#fff}
body.v15 .equipment-links a{border-radius:2px;background:#eff6fa;border-color:#d3e4ed;color:#18597e}
body.v15 .media-figure{border-radius:3px;border-color:#cfdee7;box-shadow:none}
body.v15 .photo-gallery-2 .gallery-item{border-radius:3px;box-shadow:none}


body.v15 .timeline-item,body.v15 .decade-card,body.v15 .case-card{border-radius:3px!important}
body.v15 .story-links{gap:12px}
body.v15 .story-link{padding:18px}
body.v15 .story-link h3{font-size:18px;color:#0b4166}
body.v15 .history-band,body.v15 .quick-stats{gap:12px}
body.v15 .quick-stat{border:1px solid #d2dfe7;background:#fff;border-radius:3px;padding:16px}
body.v15 .quick-stat strong{color:#0c5d91}
body.v15 .coop-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
body.v15 .coop-card{padding:20px}
body.v15 .coop-card .kind{font-size:9px;color:#1685cc;text-transform:uppercase;letter-spacing:.08em;font-weight:900}
body.v15 .coop-card h3{font-size:18px;color:#0b4269;margin:9px 0}
body.v15 .coop-card p{font-size:12px;color:#637b8b}


body.v15 .notice-card,body.v15 .evidence-note,body.v15 .callout-note,body.v15 .confidence-box,body.v15 .record-note{border-radius:3px;background:#eef6fa;border:1px solid #d2e2eb;border-left:3px solid #1685cc;color:#516c7e}
body.v15 .notice-card{padding:18px 20px}


body.v15 .footer{background:linear-gradient(100deg,#041d33,#052d4b);color:#dce9f1;padding:48px 0 20px;border-top:4px solid #1287d5}
body.v15 .footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1.1fr;gap:36px}
body.v15 .footer .brand{align-items:flex-start}
body.v15 .footer .brand-emblem{width:48px;height:48px;font-size:10px}
body.v15 .footer h4{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:#84abc4;margin:0 0 14px}
body.v15 .footer p,body.v15 .footer a{font-size:12px;color:#d3e2eb}
body.v15 .footer a:hover{color:#fff}
body.v15 .footer-links{display:grid;gap:7px}
body.v15 .footer-contact{display:grid;gap:7px;color:#c5d9e5;font-size:12px}
body.v15 .footer-bottom{border-top:1px solid rgba(255,255,255,.13);margin-top:34px;padding-top:17px;color:#7697ac;font-size:10px;display:flex;justify-content:space-between;gap:20px}


body.v15.home-page .primary-nav{box-shadow:0 3px 8px rgba(0,0,0,.10)}
body.v15 .home-hero{position:relative;min-height:500px;background:#062b4b;overflow:hidden;color:#fff}
body.v15 .home-hero-bg{position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,33,58,.96) 0%,rgba(3,42,72,.86) 38%,rgba(5,48,78,.25) 66%,rgba(5,48,78,.08) 100%),url('../images/generated/lab_electrochem.png') center/cover no-repeat}
body.v15 .home-hero-grid{position:relative;z-index:1;min-height:500px;display:grid;grid-template-columns:56% 44%;align-items:stretch}
body.v15 .home-hero-copy{padding:64px 30px 38px 0;display:flex;flex-direction:column;justify-content:center}
body.v15 .home-hero-kicker{font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:#a9d9f7;font-weight:800;margin-bottom:14px}
body.v15 .home-hero h1{color:#fff;font-size:clamp(38px,4.3vw,62px);line-height:1.03;margin:0 0 15px;max-width:760px}
body.v15 .home-hero-copy>p{font-size:18px;color:#e1edf4;margin:0 0 24px;max-width:650px}
body.v15 .home-hero .btn-primary{width:max-content;padding:12px 22px}
body.v15 .hero-stats{display:flex;gap:0;margin-top:28px;border-top:1px solid rgba(255,255,255,.25);max-width:720px}
body.v15 .hero-stat{padding:14px 22px 0 0;margin-right:22px;border-right:1px solid rgba(255,255,255,.24);min-width:120px}
body.v15 .hero-stat:last-child{border-right:0}
body.v15 .hero-stat strong{display:block;font-size:25px;color:#fff;line-height:1}
body.v15 .hero-stat span{font-size:10px;color:#bad0dd;display:block;margin-top:4px}
body.v15 .home-hero-mosaic{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:2px;padding:0 0 0 2px}
body.v15 .mosaic-cell{position:relative;background-size:cover;background-position:center;min-height:250px;overflow:hidden}
body.v15 .mosaic-cell.wide{grid-row:1 / span 2}
body.v15 .mosaic-cell:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 48%,rgba(3,30,50,.78))}
body.v15 .mosaic-cell span{position:absolute;z-index:1;left:14px;bottom:12px;color:#fff;font-size:11px;font-weight:800;max-width:180px}
body.v15 .home-content{padding:18px 0 0;background:#f4f7fa}
body.v15 .home-entry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
body.v15 .home-entry{min-height:220px;position:relative;overflow:hidden;background-size:cover;background-position:center;border-radius:3px;color:#fff;padding:20px;display:flex;flex-direction:column;justify-content:flex-end}
body.v15 .home-entry:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,37,62,.08),rgba(4,38,64,.82))}
body.v15 .home-entry>*{position:relative;z-index:1}
body.v15 .home-entry .entry-icon{width:38px;height:38px;border:1px solid rgba(255,255,255,.75);display:grid;place-items:center;border-radius:50%;font-size:18px;margin-bottom:auto}
body.v15 .home-entry h3{color:#fff;font-size:23px;line-height:1.1;margin:0 0 7px}
body.v15 .home-entry p{font-size:11px;color:#d9e9f2;margin:0;max-width:260px}
body.v15 .home-entry .entry-go{width:26px;height:26px;border-radius:50%;background:#fff;color:#0a5a8c;display:grid;place-items:center;margin-top:12px;font-weight:900}
body.v15 .home-units{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
body.v15 .home-unit{min-height:350px;border-radius:3px;position:relative;overflow:hidden;padding:28px;display:flex;flex-direction:column;justify-content:flex-end;background-size:cover;background-position:center;color:#fff}
body.v15 .home-unit:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,34,58,.94) 0%,rgba(3,34,58,.63) 56%,rgba(3,34,58,.12) 100%)}
body.v15 .home-unit.petro-unit:before{background:linear-gradient(90deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.83) 52%,rgba(255,255,255,.12) 100%)}
body.v15 .home-unit>*{position:relative;z-index:1}
body.v15 .home-unit h3{color:#fff;font-size:28px;line-height:1.1;margin:0 0 10px;max-width:490px}
body.v15 .home-unit p{color:#d7e7f0;font-size:13px;max-width:520px}
body.v15 .home-unit.petro-unit h3{color:#0a4268}.home-unit.petro-unit p{color:#365d75!important}
body.v15 .unit-points{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:15px 0 18px;max-width:520px}
body.v15 .unit-points span{font-size:10px;color:#e2eef5;border-left:2px solid #2aa8eb;padding-left:8px}
body.v15 .petro-unit .unit-points span{color:#315b75}
body.v15 .home-unit .btn{width:max-content}
body.v15 .home-news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
body.v15 .home-news{border:1px solid #d4e0e8;background:#fff;border-radius:3px;overflow:hidden}
body.v15 .home-news-img{height:145px;background-size:cover;background-position:center}
body.v15 .home-news-copy{padding:13px 14px 16px}
body.v15 .home-news time{font-size:9px;color:#6e8798}
body.v15 .home-news h3{font-size:15px;line-height:1.28;color:#0b4166;margin:7px 0 0}
body.v15 .partner-strip{display:grid;grid-template-columns:repeat(6,1fr);gap:0;border-top:1px solid #d7e2e9;border-bottom:1px solid #d7e2e9;background:#fff}
body.v15 .partner-name{min-height:75px;display:grid;place-items:center;text-align:center;padding:10px 12px;border-right:1px solid #e1e8ed;font-weight:900;color:#315976;font-size:12px}
body.v15 .partner-name:last-child{border-right:0}


@media(max-width:1260px){
  body.v15 .masthead-row{grid-template-columns:1fr auto}.masthead-quote{display:none!important}
  body.v15 .nav a{padding-left:11px;padding-right:11px;font-size:11px}
  body.v15 .people-grid{grid-template-columns:repeat(3,1fr)}
  body.v15 .catalog-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:980px){
  body.v15 .container{width:min(100% - 30px,var(--r-max))}
  body.v15 .masthead-row{min-height:80px;grid-template-columns:1fr}.masthead-side{display:none}
  body.v15 .brand-emblem{width:52px;height:52px}
  body.v15 .primary-nav-row{position:relative}.nav{display:none!important;position:absolute;top:48px;left:0;right:0;background:#06365d;flex-direction:column;z-index:90}.nav.open{display:flex!important}.nav a{padding:11px 14px!important}
  body.v15 .menu-btn{display:block}.search-btn{display:none!important}.contact-cta{margin-left:auto}
  body.v15 .subnav{top:128px}
  body.v15 .content-grid,body.v15 .detail-layout,body.v15 .article-detail-grid{grid-template-columns:1fr}
  body.v15 .side-panel{position:static}
  body.v15 .people-grid{grid-template-columns:repeat(2,1fr)}
  body.v15 .home-hero-grid{grid-template-columns:1fr}.home-hero-mosaic{display:none!important}
  body.v15 .home-entry-grid{grid-template-columns:1fr 1fr}
  body.v15 .home-units{grid-template-columns:1fr}
  body.v15 .home-news-grid{grid-template-columns:1fr 1fr}
  body.v15 .partner-strip{grid-template-columns:repeat(3,1fr)}
  body.v15 .footer-grid{grid-template-columns:1fr 1fr}
  body.v15 .project-description-grid{grid-template-columns:1fr}
  body.v15 .direction-grid{grid-template-columns:1fr 1fr}
  body.v15 .equip-catalog{grid-template-columns:1fr 1fr}
  body.v15 .coop-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:620px){
  body.v15 .topbar-right a{display:none}.topbar-location{font-size:10px}
  body.v15 .brand-copy strong{font-size:14px}.brand-copy span{font-size:10px}
  body.v15 .contact-cta{display:none}.primary-nav-row{justify-content:flex-end}
  body.v15 .page-hero{padding:42px 0}.page-hero h1{font-size:34px}
  body.v15 .section{padding:44px 0}.section-head{align-items:flex-start;flex-direction:column;gap:10px}
  body.v15 .people-grid,body.v15 .catalog-grid,body.v15 .home-entry-grid,body.v15 .home-news-grid,body.v15 .partner-strip,body.v15 .equip-catalog,body.v15 .coop-grid{grid-template-columns:1fr}
  body.v15 .profile-hero{grid-template-columns:1fr;gap:18px}.profile-photo{min-height:360px}.profile-meta h1{font-size:34px}
  body.v15 .roster-row{grid-template-columns:48px 1fr}.roster-row>div:last-child{grid-column:2}
  body.v15 .hero-stats{display:grid;grid-template-columns:1fr 1fr}.hero-stat{border-right:0;margin-right:0}
  body.v15 .home-unit{min-height:400px;padding:22px}.unit-points{grid-template-columns:1fr!important}
  body.v15 .project-row{grid-template-columns:80px 1fr 24px}.project-row .meta{display:none}
  body.v15 .direction-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr!important}.footer-bottom{flex-direction:column}
  body.v15 .lab-focus-grid{grid-template-columns:1fr}
}


body.v15 .subsite-hero{position:relative;overflow:hidden;background:linear-gradient(100deg,#052c4b 0%,#07557e 66%,#0d759c 100%);color:#fff;padding:58px 0 54px;border:0}
body.v15 .subsite-hero:after{content:"";position:absolute;inset:0 0 0 52%;background:url('../images/generated/lab_corrosion.png') center/cover no-repeat;opacity:.22;mix-blend-mode:screen}
body.v15.microsite-petrochemical-institute .subsite-hero:after{background-image:url('../images/generated/hero_main.png')}
body.v15 .subsite-hero .container{position:relative;z-index:1}
body.v15 .subsite-hero h1{font-size:clamp(36px,4vw,58px);line-height:1.04;color:#fff;margin:10px 0 14px;max-width:950px}
body.v15 .subsite-hero p{font-size:16px;color:#d7e8f2;max-width:830px}
body.v15 .subsite-hero .eyebrow{color:#a9ddf8}.subsite-hero .eyebrow:before{background:#a9ddf8}
body.v15 .site-menu{display:flex;gap:6px;flex-wrap:wrap;margin-top:24px}
body.v15 .site-menu a{display:inline-flex;padding:8px 10px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);border-radius:2px;color:#fff;font-size:10px;font-weight:800}
body.v15 .site-menu a:hover{background:rgba(255,255,255,.18)}
body.v15 .direction-card{display:block;border:1px solid #d2e0e8;border-radius:3px;background:#fff;padding:20px;min-height:170px}
body.v15 .direction-card .num{font-size:9px;color:#1685cc;text-transform:uppercase;letter-spacing:.09em;font-weight:900}
body.v15 .direction-card h3{font-size:19px;color:#0a4167;margin:16px 0 8px}
body.v15 .direction-card p{font-size:12px;color:#62798a;margin:0}
body.v15 .direction-card:hover{box-shadow:0 8px 20px rgba(4,49,82,.09);transform:translateY(-2px)}
body.v15 .center-equip-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
body.v15 .center-equip-item{border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.07);border-radius:3px;padding:18px}
body.v15 .center-equip-item strong{display:block;color:#fff;font-size:14px}.center-equip-item span{display:block;color:#bfd4e0;font-size:11px;margin-top:5px}
body.v15 .method-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
body.v15 .method-item{border:1px solid #d4e1e8;border-radius:3px;background:#fff;padding:17px}
body.v15 .method-item strong{color:#0b4268;font-size:13px}.method-item span{display:block;color:#687f8f;font-size:11px;margin-top:5px}
body.v15 .stub{background:#f3f7fa;padding:62px 0;min-height:60vh}.stub h1{font-size:42px;color:#0a3b60}.stub-box{border-radius:3px;border-color:#d4e1e8;box-shadow:none}
@media(max-width:900px){body.v15 .center-equip-strip,body.v15 .method-list{grid-template-columns:1fr 1fr}}
@media(max-width:620px){body.v15 .center-equip-strip,body.v15 .method-list{grid-template-columns:1fr}}