:root{--blue:#0b4fd8;--blue-d:#0842b8;--top:#0047d1;--navy:#02163a;--ink:#0f1e3d;--muted:#5b6885;--line:#dbe4f3;--soft:#f0f5fd;--gold:#e5b54a;--green:#1b9a74;--r:4px;--bg:#fff;--btn-bg:var(--blue);--btn-c:#fff;--btn-r:4px;--wrap:1272px;--hd-h:74px;--top-t:#fff;--h-color:var(--navy);--sh:0 10px 30px rgba(11,40,100,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-body);color:var(--ink);background:var(--bg);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
img,svg,video{max-width:100%}a{color:var(--blue);text-decoration:none}
h1,h2,h3{font-family:var(--font-head);font-weight:500;line-height:1.08;margin:0 0 .5em;color:var(--h-color);letter-spacing:-.01em}
h2{font-size:clamp(28px,3.2vw,40px)}h2 span,h1 span{color:var(--blue)}h3{font-size:24px}h4{font-family:var(--font-body);margin:0 0 6px;font-size:15px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}.section{padding:44px 24px}.center{text-align:center}.muted{color:var(--muted)}.narrow{max-width:900px}.narrow-l{max-width:1150px}.mt{margin-top:28px}
.hp{position:absolute!important;left:-9999px}[hidden]{display:none!important}
.eyebrow,.eyebrow-k,.eyebrow-w,.eyebrow-l,.eyebrow-g{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin:0 0 10px;color:var(--blue)}
.eyebrow-k{color:#3a4a6b;letter-spacing:.08em;font-weight:600}.eyebrow-w{color:#fff}.eyebrow-l{color:#9db8ff}.eyebrow-g{color:var(--gold)}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:700 14px var(--font-body);text-transform:var(--btn-tt,none);padding:13px 22px;border-radius:var(--btn-r);border:1px solid transparent;cursor:pointer;transition:.2s;text-align:center}
.btn-blue{background:var(--btn-bg);color:var(--btn-txt)}.btn-blue:hover{background:var(--btn-bg-h);transform:translateY(-1px);box-shadow:0 8px 20px rgba(0,0,0,.2)}
.btn-outline{background:#fff;color:var(--blue);border-color:var(--blue)}.btn-outline:hover{background:var(--soft)}
.btn-line{background:transparent;color:#fff;border-color:#fff}.btn-line:hover{background:#fff;color:var(--navy)}
.btn-white{background:#fff;color:var(--navy)}.btn-ghost{background:#fff;color:#556;border-color:#cfd6e4}.btn-green{background:var(--green);color:#fff}.btn-green:hover{filter:brightness(1.08)}
.btn-lg{padding:16px 28px}.btn-sm{padding:9px 16px;font-size:13px}.btn-block{display:flex;width:100%}
.lnk,.lnk-c{color:var(--blue);font-weight:600;font-size:14px;background:none;border:0;cursor:pointer;font-family:inherit}.lnk-c{display:inline-block;margin-top:14px}
.ext{font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
/* topbar + header */
.topbar{background:var(--top);color:var(--top-txt)}.topbar-in{max-width:1500px;margin:0 auto;padding:0 24px;height:36px;display:flex;justify-content:space-between;align-items:center;font-size:11px;font-weight:700;letter-spacing:.03em;text-transform:uppercase}
.tb-msg{display:flex;align-items:center;gap:8px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.tb-link{color:var(--top-txt);display:flex;align-items:center;gap:8px;white-space:nowrap}
.site-header{position:relative;top:0;z-index:50;transition:box-shadow .25s,background .25s}
.site-header.is-dark{background:var(--hd-dark);border-bottom:1px solid rgba(255,255,255,.08);color:var(--hd-dark-txt)}
.site-header.is-light{background:var(--hd-light);border-bottom:1px solid var(--line);color:var(--hd-light-txt)}
.site-header.scrolled{box-shadow:0 6px 24px rgba(0,10,40,.18)}
.hd-in{display:flex;align-items:center;justify-content:space-between;height:var(--hd-h)}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:inherit;letter-spacing:-.01em}
.is-light .logo .ring2{stroke:var(--hd-light-txt)}.is-dark .logo .ring2{stroke:var(--hd-dark-txt)}.logo svg .ring2{transition:transform .5s}.logo:hover .ring2{transform:translateX(-3px)}
.main-nav{display:flex;align-items:center;gap:34px}.main-nav .menu{display:flex;gap:30px;list-style:none;margin:0;padding:0}
.main-nav .menu a{color:inherit;font-weight:700;font-size:14px;position:relative;padding:6px 0}
.main-nav .menu a:after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--gold);transition:.25s}.main-nav .menu a:hover:after,.main-nav .menu .current-menu-item a:after{width:100%}
.hd-tools{display:flex;gap:14px;align-items:center}
.pill{display:inline-grid;place-items:center;min-width:22px;height:22px;border-radius:50%;background:var(--gold);color:#fff;font-size:11px;font-weight:800;margin-left:8px;transition:transform .25s}.pill.bump{transform:scale(1.4)}
.lang{position:relative}.lang-btn{display:flex;align-items:center;gap:8px;background:transparent;color:inherit;border:1px solid rgba(128,140,170,.4);border-radius:var(--r);padding:11px 16px;font:600 13px var(--font-body);cursor:pointer}
.lang-menu{position:absolute;right:0;top:110%;min-width:150px;background:#fff;color:var(--navy);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);padding:8px 14px;display:none;font-size:13px}.lang.open .lang-menu{display:block}.lang-menu a{display:block;padding:4px 0;color:var(--navy)}
.nav-toggle{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;padding:8px}.nav-toggle span{display:block;height:2px;background:currentColor;transition:.25s}
/* hero */
.hero,.page-hero{background:var(--navy) center/cover no-repeat;color:#fff;position:relative;isolation:isolate}
.hero:before,.page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,color-mix(in srgb,var(--navy) 96%,transparent) 15%,color-mix(in srgb,var(--navy) 72%,transparent));z-index:-1}
.hero{padding:70px 0 86px}.hero h1{color:#fff;font-size:clamp(44px,6vw,72px);max-width:640px;margin-bottom:18px}.hero h1 span{display:block;color:color-mix(in srgb,var(--blue) 65%,#fff)}
.hero .lede{max-width:520px;font-size:16px;color:#e3ebff}.hero-act{display:flex;gap:14px;margin:26px 0 22px;flex-wrap:wrap}.ruo-note{font-size:11px;font-weight:700;letter-spacing:.08em;display:flex;align-items:center;gap:9px}.ruo-note i,.ruo-badge i,.ruo-line i,.notice i{width:9px;height:9px;border-radius:50%;background:var(--gold);display:inline-block}
.page-hero{padding:0}.page-hero .wrap{display:flex;justify-content:space-between;align-items:center;min-height:250px;gap:20px}.page-hero h1{color:#fff;font-size:clamp(38px,5vw,64px);margin:0}.page-hero .lede{max-width:600px;color:#dbe6ff;margin-top:14px}
.page-hero.lib-hero .wrap,.art-hero .wrap{display:block;padding-top:54px;padding-bottom:54px}.lib-hero h1{max-width:760px;font-size:clamp(34px,4.6vw,56px)}
.ruo-badge{border:1px solid rgba(255,255,255,.25);background:rgba(0,0,0,.28);padding:12px 20px;font-size:13px;display:flex;align-items:center;gap:10px;white-space:nowrap;border-radius:var(--r)}.ruo-badge b{color:var(--gold);font-size:20px}
.ruo-line{color:#fff;font-weight:700;font-size:13px;margin-top:-40px;margin-bottom:26px;position:relative;z-index:2;display:flex;align-items:center;gap:8px}
.lib-search{display:flex;gap:10px;margin-top:20px;max-width:560px}.lib-search input,.lib-search select{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;font:14px var(--font-body);flex:1}.lib-search select{flex:0 0 150px}
/* sections */
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:22px}.sec-head h2{margin:0}.sub{color:var(--muted);margin:8px 0 0}
/* cards */
.grid{display:grid;gap:22px}.grid-5{grid-template-columns:repeat(5,1fr);gap:14px}.grid-3{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);transition:.25s}.card:hover{box-shadow:var(--sh);transform:translateY(-3px);border-color:#b9cdf2}
.mat{display:flex;flex-direction:column;overflow:hidden}
.mat-img{display:grid;place-items:center;height:228px;position:relative;background:radial-gradient(circle at 50% 55%,color-mix(in srgb,var(--blue) 22%,transparent),transparent 55%),#fff;border-bottom:1px solid var(--line)}
.mat-img .vial{height:150px;width:auto;filter:drop-shadow(0 10px 12px rgba(20,40,90,.22));transition:transform .35s}.mat:hover .vial{transform:scale(1.06) translateY(-3px)}.mat-img img{max-height:90%;width:auto;object-fit:contain}
.ruo{position:absolute;top:10px;right:10px;background:#0a0a0a;color:#fff;font-size:11px;font-weight:800;padding:3px 8px;border-radius:3px}
.mat-body{padding:16px 14px 0;display:flex;flex-direction:column;flex:1}.mat-body h3{font:600 18px var(--font-body);margin:0 0 14px;letter-spacing:0}.mat-body h3 a{color:var(--navy)}
.spec-h{font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;margin:0;color:#3a4a6b}.sku{font-size:12px;letter-spacing:.03em;text-transform:uppercase;margin:0 0 6px;color:#4a5a7b;padding-bottom:10px;border-bottom:1px solid var(--line)}
.specs{display:flex;flex-wrap:wrap;gap:8px 22px;margin:0 0 16px}.specs div{min-width:60px}.specs dt{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#3a4a6b}.specs dd{margin:0;font-size:15px;font-weight:500}
.mat-act{margin:auto -14px 0;display:flex}.mat-act.as-links{border-top:1px solid var(--line)}.mat-act.as-links>*{flex:1;padding:14px 8px;text-align:center}.mat-act.as-links>*+*{border-left:1px solid var(--line)}
.mat-act.as-btns{gap:8px;padding:0 14px 14px;margin:auto 0 0}.mat-act.as-btns>*{flex:1}
.mat-act .lnk:hover{background:var(--soft)}
/* support / gallery / guides */
.support{background:var(--soft);padding:44px 76px 50px;border-radius:var(--r);margin:0 auto}.support h2{margin-bottom:26px}
.sup-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.sup{padding:0 26px;border-left:1px solid var(--line);min-height:150px}.sup:first-child{border:0;padding-left:0}.sup h4{margin-top:14px}.sup p{color:var(--muted);font-size:13.5px;margin:0 0 26px}.sup a{font-size:13px;font-weight:600}
.gallery{display:grid;grid-template-columns:1.1fr 1.25fr 1.25fr 1.1fr;gap:12px}.gal{height:160px;border-radius:var(--r);background:#c9d6ee center/cover;overflow:hidden;transition:.4s}.gal:hover{transform:scale(1.02)}
.guides{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.guides.g3{grid-template-columns:repeat(3,1fr)}
.guide-card{padding:16px 16px 18px;display:flex;flex-direction:column;color:var(--ink);min-height:220px}.guide-card h3{font:600 16px var(--font-body);display:flex;gap:8px;align-items:flex-start;margin:4px 0 10px;color:var(--navy)}.guide-card h3 svg{flex:none;margin-top:3px}.guide-card p{color:var(--muted);font-size:13px}
.read{margin-top:auto;font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--blue)}
.guide-cta{background:var(--soft);border-radius:var(--r);padding:20px;display:flex;flex-direction:column}.guide-cta h3{font:700 16px var(--font-body);margin:8px 0 auto}.guide-cta .btn{margin-top:26px}.guide-cta .lnk-c{text-align:center;font-size:13px}
/* footer */
.site-footer{border-top:1px solid var(--line);margin-top:56px;background:var(--ft-bg);color:var(--ft-txt)}.ft-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1.4fr;gap:30px;padding-top:36px;padding-bottom:70px}
.site-footer .logo{color:var(--ft-head)}.site-footer .ring2{stroke:var(--ft-head)}.ft-brand p{color:var(--ft-txt);font-size:13.5px;max-width:230px}
.site-footer h4{color:var(--ft-head);font-size:11px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px}.site-footer ul{list-style:none;margin:0;padding:0}.site-footer li{margin-bottom:8px}.site-footer a{color:var(--ft-txt);font-size:13.5px}.site-footer a:hover{color:var(--blue)}.site-footer p{margin:0 0 8px;font-size:13.5px;color:var(--ft-txt)}.site-footer p strong{color:var(--ft-head)}
.ft-legal{background:var(--legal-bg);color:var(--legal-txt);display:flex;align-items:center;gap:40px;padding:22px 48px;font-size:12px}.ft-legal b{white-space:nowrap;font-size:11px;letter-spacing:.06em}.ft-legal p{margin:0;flex:1;text-align:center;line-height:1.5}
/* floating */
.wa-float{position:fixed;right:-4px;top:47%;z-index:60;display:flex;align-items:center;gap:8px;background:var(--green);color:#fff;border:0;border-radius:30px 0 0 30px;padding:14px 18px;font:700 14px var(--font-body);cursor:pointer;box-shadow:0 8px 24px rgba(27,154,116,.4);animation:pulse 2.8s infinite}
.wa-float:hover{filter:brightness(1.1);padding-right:24px}@keyframes pulse{0%,100%{box-shadow:0 8px 24px rgba(27,154,116,.35)}50%{box-shadow:0 8px 34px rgba(27,154,116,.75)}}
.to-top{position:fixed;right:22px;bottom:96px;width:48px;height:48px;border-radius:50%;background:var(--navy);color:#fff;border:0;cursor:pointer;z-index:55;display:grid;place-items:center;opacity:0;pointer-events:none;transform:translateY(12px);transition:.25s;box-shadow:var(--sh)}.to-top.show{opacity:1;pointer-events:auto;transform:none}
/* modal */
.modal{position:fixed;inset:0;background:rgba(6,20,40,.62);backdrop-filter:blur(3px);display:grid;place-items:center;z-index:200;opacity:0;visibility:hidden;transition:.25s;padding:20px}.modal.open{opacity:1;visibility:visible}
.modal-box{background:#fff;border-radius:10px;max-width:520px;width:100%;padding:44px 42px;transform:translateY(18px) scale(.96);transition:.3s}.modal.open .modal-box{transform:none}
.modal-box h2{font-family:var(--font-body);font-weight:700;font-size:34px;color:#173328;letter-spacing:-.02em}.modal-box p{color:#4b5a55;font-size:18px;margin:0 0 26px;line-height:1.5}.modal-act{display:flex;justify-content:space-between;align-items:center}.modal-act .btn{padding:16px 22px}
/* drawer */
.drawer-bg{position:fixed;inset:0;background:rgba(2,22,58,.45);opacity:0;visibility:hidden;transition:.3s;z-index:150}.drawer-bg.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;height:100%;width:min(400px,100%);background:#fff;z-index:160;display:flex;flex-direction:column;transform:translateX(105%);transition:transform .35s cubic-bezier(.2,.8,.2,1);box-shadow:-14px 0 40px rgba(0,10,40,.25)}.drawer.open{transform:none}
.dr-head{display:flex;justify-content:space-between;padding:22px 24px 8px}.dr-head h3{font-size:28px;margin:0}.dr-x{background:none;border:1px solid var(--line);width:38px;height:38px;border-radius:var(--r);cursor:pointer;color:var(--navy)}
.dr-body{padding:10px 24px;overflow:auto;flex:1}.dr-foot{padding:16px 24px 20px;border-top:1px solid var(--line);text-align:center}.dr-foot p{color:var(--muted);font-size:14px;text-align:left}.dr-link{display:block;margin:14px 0 6px;font-size:14px}.dr-clear{background:none;border:0;color:#b1364a;font:14px var(--font-body);cursor:pointer}
.d-empty{border:1px dashed var(--line);background:#f7faff;text-align:center;padding:30px 20px;color:var(--muted);margin-bottom:20px;border-radius:var(--r)}.d-empty .btn{margin-top:14px}
.d-item{border:1px solid var(--line);border-radius:var(--r);padding:12px;margin-bottom:10px;display:grid;grid-template-columns:1fr auto;gap:4px 10px}.d-item b{font-size:14px}.d-item small{color:var(--muted);grid-column:1}.d-item .rm{background:none;border:0;color:#b1364a;cursor:pointer;font-size:12px;align-self:start}.d-item .stepper{grid-column:1}
.lbl{display:block;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#3a4a6b;margin:16px 0 8px}
textarea,input,select{font-family:inherit}.drawer textarea,.filters input,.filters select,.contact-box input,.contact-box select,.contact-box textarea,.q-buyer input,.q-note textarea{width:100%;border:1px solid #cfd8e8;border-radius:var(--r);padding:13px 14px;font-size:14px;background:#fff;color:var(--ink);transition:border .2s,box-shadow .2s}
input:focus,textarea:focus,select:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px color-mix(in srgb,var(--blue) 16%,transparent)}
.stepper{display:inline-flex;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}.stepper button{width:38px;height:38px;border:0;background:#fff;color:var(--blue);font-size:18px;cursor:pointer}.stepper button:hover{background:var(--soft)}.stepper input{width:54px;border:0;border-left:1px solid var(--line);border-right:1px solid var(--line);text-align:center;font-weight:700;padding:0;-moz-appearance:textfield}
/* catalog */
.catalog{display:grid;grid-template-columns:200px 1fr;gap:26px;padding-top:26px;padding-bottom:40px}
.filters{background:var(--soft);padding:16px;border-radius:var(--r);align-self:start;position:sticky;top:96px}.filters label{display:block;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#3a4a6b;margin:14px 0 6px}.filters label:first-child{margin-top:0}
.f-search{display:flex}.f-search input{border-radius:var(--r) 0 0 var(--r)}.f-search span{background:var(--blue);width:44px;display:grid;place-items:center;border-radius:0 var(--r) var(--r) 0}.filters .btn{margin-top:18px}
.count{font-size:12px;color:var(--muted);margin:0 0 10px}.empty{padding:40px;text-align:center;color:var(--muted)}
/* single */
.crumbs{font-size:12px;color:var(--muted);padding-top:12px;padding-bottom:12px}.crumbs span{margin:0 8px}
.product{display:grid;grid-template-columns:1fr 1.15fr;gap:36px;padding-top:6px}.p-media{border:1px solid var(--line);border-radius:var(--r);display:grid;place-items:center;min-height:540px;background:radial-gradient(circle at 50% 55%,color-mix(in srgb,var(--blue) 16%,transparent),transparent 55%)}.p-media .vial{height:320px;filter:drop-shadow(0 18px 20px rgba(20,40,90,.25))}.p-media img{max-height:480px}
.p-info h2{font-size:34px;margin-bottom:14px}.notice{display:flex;gap:12px;border:1px solid var(--line);background:var(--soft);padding:14px 16px;border-radius:var(--r);font-size:13px;color:var(--muted)}.notice i{margin-top:6px;flex:none}.notice b{color:var(--navy);font-size:14px}.notice p{margin:6px 0 0}
.kv{display:grid;grid-template-columns:1fr 1fr;gap:14px 20px;margin:18px 0;padding-bottom:18px;border-bottom:1px solid var(--line)}.kv dt{font-size:12px;font-weight:700;color:#3a4a6b}.kv dd{margin:0;color:var(--muted);font-size:14px}
.tiers{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0}.tier{border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;cursor:pointer;transition:.2s}.tier.is-on{background:var(--soft);border-color:var(--blue)}.tier small{display:block;color:var(--muted)}.tier strong{display:block;font:700 20px var(--font-body);color:var(--blue)}.tier em{font-style:normal;font-size:12px;color:var(--muted)}
.qty-row{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:14px}.qty-row .lbl{margin-top:0}.total{text-align:right}.total small{display:block;font-size:11px;letter-spacing:.06em;color:#3a4a6b;font-weight:600}.total strong{font:700 28px var(--font-body);color:var(--blue)}.p-act{display:flex;gap:10px;flex-wrap:wrap}
.record{padding-top:40px}.rec-head{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0;margin-bottom:22px}.rec-head h2{margin:0;font-size:28px}.tag{border:1px solid #b9cdf2;color:var(--blue);font-size:11px;font-weight:700;letter-spacing:.06em;padding:8px 12px;border-radius:var(--r);background:var(--soft)}
.rec-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:26px;align-items:start}.datasheet{border:1px solid var(--line);border-radius:var(--r);overflow:hidden}.ds-h{display:flex;justify-content:space-between;background:var(--soft);padding:12px 14px;font:600 15px var(--font-head);border-bottom:1px solid var(--line)}.ds-h small{font:600 11px var(--font-body);color:var(--muted)}
.datasheet table{width:100%;border-collapse:collapse}.datasheet th,.datasheet td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);font-size:13.5px;vertical-align:top}.datasheet th{width:34%;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:#28395e}.datasheet td{color:var(--muted)}.datasheet tr:last-child>*{border-bottom:0}
.stor{display:grid;gap:8px}.st{display:grid;grid-template-columns:1fr 1fr;gap:6px 10px;background:var(--soft);border:1px solid var(--line);padding:10px;border-radius:var(--r)}.st small{display:block;font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:#4a5a7b}.st b{color:var(--navy);font-size:13px}
.h-sm{font-size:22px}.overview{background:var(--soft);padding:16px 18px;border-radius:var(--r);font-size:13.5px;color:var(--muted);line-height:1.7}
.related{display:grid;grid-template-columns:240px 1fr;gap:20px;padding:26px 0;margin-top:30px;border-top:1px solid var(--line)}.related-m{border-top:1px solid var(--line);padding-top:20px;margin-top:20px}.rm{display:grid;grid-template-columns:150px 1fr auto;padding:16px 0;border-bottom:1px solid var(--line);color:var(--navy);font-size:20px}.rm code{font-size:12px;color:var(--muted)}
/* accordion */
.acc-i{border-bottom:1px solid var(--line)}.acc-h{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;background:none;border:0;padding:16px 4px;font:600 14.5px var(--font-body);color:var(--navy);text-align:left;cursor:pointer}.acc-h i{position:relative;width:14px;height:14px;flex:none}.acc-h i:before,.acc-h i:after{content:"";position:absolute;background:var(--blue);transition:.25s}.acc-h i:before{left:0;right:0;top:6px;height:2px}.acc-h i:after{top:0;bottom:0;left:6px;width:2px}.acc-i.open .acc-h i:after{transform:scaleY(0)}
.acc-b{max-height:0;overflow:hidden;transition:max-height .35s ease}.acc-b p{margin:0 4px 16px;color:var(--muted);font-size:14px}
.steps{border:1px solid var(--line);border-radius:var(--r)}.steps .acc-i{padding:0 18px}.steps .acc-h{padding:20px 0;align-items:center}.steps .acc-h span{flex:1;display:block}.steps b{display:block}.steps small{font:13px var(--font-body);color:var(--muted)}.steps em{font-style:normal;background:var(--soft);padding:8px;border-radius:var(--r);color:var(--blue);font-weight:700;font-size:12px;margin-right:16px}
.big .acc-h{font-size:17px;padding:22px 4px}
.faq-2{display:grid;grid-template-columns:1fr 1.4fr;gap:50px}
/* library */
.feat{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:12px;margin:22px 0 34px}.feat-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r);padding:22px;color:var(--ink);min-height:200px;background:linear-gradient(180deg,#f3f7ff,#fff);transition:.25s}.feat-card:hover{box-shadow:var(--sh);transform:translateY(-3px)}.feat-card.is-first{background:var(--navy);color:#fff}.feat-card.is-first h3,.feat-card.is-first .eyebrow-k{color:#fff}.feat-card.is-first p{color:#c8d6f5}.feat-card.is-first .read{color:var(--gold)}.feat-card h3{font-size:26px}.feat-card p{color:var(--muted);font-size:13px}
.lib-table{border:1px solid var(--line);border-radius:var(--r)}.lt-h{padding:18px 20px;display:flex;justify-content:space-between;align-items:center;gap:20px}.lt-h h3{margin:0;font-size:26px}.lt-h .eyebrow{margin:0;flex:0 0 auto}.lt-h span{font-size:12px;color:var(--muted)}
.lt-cols,.lt-row{display:grid;grid-template-columns:2.2fr 1fr 2.6fr .8fr;gap:18px;padding:14px 20px;align-items:center}.lt-cols{background:var(--soft);font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#3a4a6b}.lt-row{border-top:1px solid var(--line);font-size:13px;transition:background .2s}.lt-row:hover{background:#f7faff}
.lt-title{color:var(--navy);font-weight:600;display:flex;gap:8px;align-items:flex-start}.lt-title svg{flex:none;margin-top:3px}.lt-topic{font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--blue)}.lt-sum{color:var(--muted);font-size:12px}.lt-row .read{text-align:right;margin:0}
.need{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;border:1px solid var(--line);background:var(--soft);padding:18px 22px;margin-top:34px;border-radius:var(--r)}.need h3{margin:0}
/* article */
.art-hero h1{font-size:clamp(34px,4.2vw,52px);max-width:820px}.back{color:#cfe0ff;font-size:11px;letter-spacing:.14em;font-weight:700;display:block;margin-bottom:26px}.meta{display:flex;gap:26px;margin-top:20px;font-size:12px;font-weight:700;color:#fff;flex-wrap:wrap}.meta small{color:#9db8ff;letter-spacing:.1em;margin-right:6px}
.article-wrap{display:grid;grid-template-columns:200px minmax(0,780px);gap:44px;padding-top:34px}.toc{position:sticky;top:96px;align-self:start;border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;font-size:12px}.toc ol{margin:10px 0 0;padding-left:18px}.toc li{margin-bottom:8px}.toc a{color:var(--blue);font-weight:600}
.article{font-size:14.5px}.article h2{font-size:32px;margin-top:38px}.article p{color:#3e4d6c}.article table{width:100%;border-collapse:collapse;font-size:13px;margin:18px 0}.article th,.article td{padding:10px;text-align:left;border-bottom:1px solid var(--line)}.article img{height:auto;border-radius:var(--r)}.ruo-box{background:var(--soft);border-left:3px solid var(--blue);padding:14px 16px;font-size:11px;font-weight:800;letter-spacing:.06em;color:var(--navy);margin-bottom:8px}
/* about */
.about-panel{background:var(--soft);padding:28px 30px;display:grid;grid-template-columns:1fr 1.2fr;gap:0;border-radius:var(--r)}.about-panel>div:first-child{padding-right:36px;border-right:1px solid var(--line);font-size:13px;color:var(--muted)}.about-panel>div:last-child{padding-left:36px}.short{padding:16px 0;border-bottom:1px solid var(--line)}.short p{margin:0;color:var(--muted);font-size:13px}
.about-video{display:grid;grid-template-columns:1.5fr 1fr;gap:36px;align-items:center}.video{background:#fff;padding:10px;border-radius:var(--r);box-shadow:var(--sh)}.video video{width:100%;display:block;border-radius:var(--r)}.video-ph{aspect-ratio:16/9;background:var(--navy);color:#9db8ff;display:grid;place-items:center;text-align:center;padding:20px;font-size:13px;border-radius:var(--r)}
.why{background:var(--soft);border-left:3px solid var(--blue);padding:26px 26px 30px}.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:20px}.why-c{background:#fff;border:1px solid var(--line);padding:20px;border-radius:var(--r);transition:.25s}.why-c:hover{transform:translateY(-4px);box-shadow:var(--sh)}.why-c p{color:var(--muted);font-size:13px;margin:0}
.quality{background:var(--navy) linear-gradient(90deg,transparent,rgba(11,79,216,.3));color:#fff;padding:60px 0;margin-top:40px}.quality h2{color:#fff;max-width:340px}.quality p{max-width:520px;color:#cfdcf7}
/* contact */
.contact-box{display:grid;grid-template-columns:1fr 1.25fr;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);overflow:hidden}.cb-l{padding:34px;background:linear-gradient(180deg,#f7faff,#fff);border-right:1px solid var(--line)}.cb-l h2{font-size:36px}.cb-l hr{width:40px;border:0;border-top:1px solid var(--line);margin:26px 0;margin-left:0}.cb-r{padding:34px}.cb-r hr{border:0;border-top:1px solid var(--line);margin:18px 0 26px}.cb-r label{display:block;font-weight:700;font-size:13.5px;margin-bottom:18px}.cb-r label b{color:var(--gold);display:block;line-height:.6}.cb-r label i{color:#b58200;font-style:normal;display:block;font-size:13px}.cb-r label input,.cb-r label select,.cb-r label textarea{margin-top:8px;font-weight:400}
.up{font:800 22px var(--font-body);text-transform:uppercase;color:var(--blue);letter-spacing:-.01em}.form-msg{font-size:14px;margin-top:14px}.form-msg.ok{color:var(--green)}.form-msg.err{color:#b1364a}
/* quote page */
.callout{background:var(--soft);border-left:3px solid var(--blue);padding:26px 30px;font-size:17px;font-weight:700;color:var(--navy);margin-bottom:40px}
.qbox{border:1px solid var(--line);box-shadow:var(--sh);border-radius:var(--r);overflow:hidden}.q-head{background:var(--navy);color:#fff;padding:36px 50px;display:flex;justify-content:space-between;align-items:flex-end;gap:20px}.q-head h2{color:#fff;font-size:52px;margin:0 0 10px}.q-head p{margin:0}.q-count{border-left:1px solid rgba(255,255,255,.2);padding-left:20px}.q-count strong{display:block;font:500 46px var(--font-head);line-height:1}.q-count small{font-size:11px;letter-spacing:.1em}
.q-cols,.q-row{display:grid;grid-template-columns:2fr 1.6fr 1.1fr 1fr .6fr;gap:14px;padding:18px 26px;align-items:center}.q-cols{font-size:11px;font-weight:700;letter-spacing:.1em;color:#3a4a6b;border-bottom:1px solid var(--line)}.q-row{border-bottom:1px solid var(--line)}.q-row b{font-size:16px}.q-row .rm{background:none;border:0;color:#b1364a;cursor:pointer;font:13px var(--font-body)}.q-empty{padding:34px;text-align:center;color:var(--muted)}
.q-note,.q-buyer{background:var(--soft);padding:26px 38px}.q-note{display:grid;grid-template-columns:1fr 2.3fr;gap:20px;border-bottom:1px solid var(--line)}.q-buyer h3{font-size:30px}.two{display:grid;grid-template-columns:1fr 1fr;gap:16px 20px;margin:16px 0 20px}.two label{display:block;font-weight:700;font-size:13.5px}.two label b{color:var(--gold)}.two input{margin-top:8px;font-weight:400}
.q-foot{background:var(--navy);padding:24px 38px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;color:#dbe4f7;font-size:14px}.q-foot p{margin:0}
/* prose */
.prose h2{font-size:32px;margin-top:34px}.prose p,.prose li{color:#3e4d6c}
/* reveal animation */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}.reveal.in{opacity:1;transform:none}
.grid .reveal:nth-child(2){transition-delay:.06s}.grid .reveal:nth-child(3){transition-delay:.12s}.grid .reveal:nth-child(4){transition-delay:.18s}.grid .reveal:nth-child(5){transition-delay:.24s}
.hero h1,.hero .lede,.hero-act,.page-hero h1{animation:rise .8s both}.hero .lede{animation-delay:.12s}.hero-act{animation-delay:.24s}@keyframes rise{from{opacity:0;transform:translateY(20px)}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}
/* responsive */
@media(max-width:1100px){.grid-5{grid-template-columns:repeat(3,1fr)}.guides{grid-template-columns:repeat(2,1fr)}.ft-grid{grid-template-columns:repeat(3,1fr)}.support{padding:34px 30px}.sup-grid{grid-template-columns:repeat(2,1fr);gap:24px 0}.sup:nth-child(3){border-left:0;padding-left:0}.article-wrap{grid-template-columns:1fr}.toc{display:none}.why-grid{grid-template-columns:repeat(2,1fr)}.feat{grid-template-columns:1fr 1fr}.feat-card.is-first{grid-column:1/-1}}
@media(max-width:900px){.nav-toggle{display:flex}.main-nav{position:fixed;top:0;right:0;height:100%;width:min(320px,86%);background:var(--hd-dark);color:var(--hd-dark-txt);flex-direction:column;align-items:flex-start;padding:90px 26px 30px;gap:26px;transform:translateX(105%);transition:transform .3s;z-index:70;overflow:auto}.main-nav.open{transform:none}.main-nav .menu{flex-direction:column;gap:18px}.hd-tools{flex-direction:column;align-items:stretch;width:100%}.nav-toggle{position:relative;z-index:80}.site-header.is-light .nav-toggle.open{color:#fff}
.catalog{grid-template-columns:1fr}.filters{position:static;display:grid;grid-template-columns:1fr 1fr;gap:0 14px}.filters .f-search,.filters>label:first-child{grid-column:1/-1}.filters .btn{grid-column:1/-1}.grid-3{grid-template-columns:repeat(2,1fr)}.product,.rec-grid,.faq-2,.about-panel,.about-video,.contact-box,.related{grid-template-columns:1fr}.about-panel>div:first-child{border:0;padding:0 0 20px}.about-panel>div:last-child{padding-left:0}.cb-l{border-right:0;border-bottom:1px solid var(--line)}.p-media{min-height:380px}.lt-cols{display:none}.lt-row{grid-template-columns:1fr}.lt-row .read{text-align:left}.q-note{grid-template-columns:1fr}.q-head{padding:26px}.q-head h2{font-size:38px}.ft-legal{flex-direction:column;gap:12px;padding:22px;text-align:center}.gallery{grid-template-columns:1fr 1fr}.sec-head{flex-direction:column;align-items:flex-start}}
@media(max-width:640px){.wrap{padding:0 16px}.section{padding:34px 16px}.topbar-in{font-size:9.5px;padding:0 12px}.tb-link{display:none}.grid-5,.grid-3,.guides,.guides.g3,.feat{grid-template-columns:1fr 1fr}.grid-5,.grid-3{gap:10px}.mat-img{height:170px}.mat-img .vial{height:112px}.mat-body h3{font-size:15px}.mat-act.as-btns{flex-direction:column;padding:0 10px 12px}.guides,.guides.g3,.feat{grid-template-columns:1fr}.support{padding:26px 18px}.sup-grid{grid-template-columns:1fr}.sup{border-left:0;border-top:1px solid var(--line);padding:18px 0 0}.sup:first-child{border:0}.ft-grid{grid-template-columns:1fr 1fr}.ft-brand{grid-column:1/-1}.page-hero .wrap{flex-direction:column;align-items:flex-start;padding-top:40px;padding-bottom:40px;min-height:200px}.why-grid,.two,.kv,.tiers{grid-template-columns:1fr}.q-cols{display:none}.q-row{grid-template-columns:1fr 1fr;padding:16px}.q-buyer,.q-note{padding:22px 18px}.modal-box{padding:28px 24px}.modal-box h2{font-size:26px}.modal-box p{font-size:16px}.wa-float span{display:none}.wa-float{padding:14px;border-radius:30px;right:14px;top:auto;bottom:22px}.to-top{bottom:80px;right:14px}.hero{padding:44px 0 56px}.cb-l,.cb-r{padding:22px}.lib-search{flex-direction:column}.lib-search select{flex:auto}.gallery{grid-template-columns:1fr 1fr}.gal{height:110px}.q-head{flex-direction:column;align-items:flex-start}.q-count{border:0;padding:0}.rm{grid-template-columns:1fr auto}.rm code{display:none}}

.skip-link{position:absolute;left:-9999px;top:8px;background:var(--blue);color:#fff;padding:10px 16px;border-radius:var(--r);z-index:999}.skip-link:focus{left:8px}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.ft-legal a{color:inherit;text-decoration:underline;white-space:nowrap}