:root{--navy:#10243b;--blue:#155eef;--blue2:#0b4bc4;--ink:#172b43;--muted:#607086;--line:#e3eaf1;--pale:#f4f7fb;--white:#fff;--radius:18px;--shadow:0 18px 50px rgba(16,36,59,.09)}
*{box-sizing:border-box}html{scroll-behavior:auto;scrollbar-gutter:stable}body{margin:0;font-family:"DM Sans",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(1160px,calc(100% - 40px));margin:auto}.topbar{background:var(--navy);color:#dce6f1;font-size:12px;padding:8px 0}.topbar .container{display:flex;justify-content:space-between;gap:16px}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:11px;font:800 18px Manrope,sans-serif;letter-spacing:-.5px;color:var(--navy)}.brand img{width:38px;height:38px}.brand span{max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.navlinks{display:flex;align-items:center;gap:16px;color:#43556b;font-size:13px;font-weight:600}.navlinks a:hover,.navlinks a.active{color:var(--blue)}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--blue);color:#fff;padding:13px 20px;border-radius:9px;font-weight:700;font-size:14px;border:1px solid var(--blue);transition:.2s;cursor:pointer}.nav-cta:hover,.btn:hover{background:var(--blue2);transform:translateY(-1px)}.btn-outline{background:#fff;color:var(--navy);border-color:#cbd6e2}.btn-outline:hover{background:#f4f7fb;color:var(--blue)}.menu-toggle{display:none;border:0;background:none;font-size:25px;color:var(--navy)}.hero{background:linear-gradient(115deg,#f5f8fc 0%,#edf4fc 58%,#e6f0ff 100%);padding:82px 0 76px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:54px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:1.5px}.eyebrow:before{content:"";width:22px;height:2px;background:var(--blue)}h1,h2,h3{font-family:Manrope,Arial,sans-serif;line-height:1.15;letter-spacing:-1.2px;color:var(--navy);margin:0}h1{font-size:clamp(38px,5vw,60px);margin:20px 0}h2{font-size:clamp(29px,3.5vw,40px);margin:12px 0 16px}h3{font-size:20px;letter-spacing:-.5px}.hero p,.section-intro{font-size:17px;color:#596b80;max-width:590px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.hero-visual{position:relative}.hero-visual img{width:100%;filter:drop-shadow(0 25px 28px rgba(24,53,82,.18));border-radius:20px}.float-note{position:absolute;right:-10px;bottom:16px;background:#fff;border:1px solid var(--line);border-radius:13px;padding:14px 17px;box-shadow:var(--shadow);font-size:12px;color:var(--muted)}.float-note strong{display:block;color:var(--navy);font-size:14px}.trust-strip{border-bottom:1px solid var(--line);padding:22px 0}.trust-items{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#607086;font-size:13px;font-weight:700}.trust-items span{display:flex;align-items:center;gap:9px}.trust-items i{width:7px;height:7px;border-radius:50%;background:#2e9b70}.section{padding:82px 0}.section-soft{background:var(--pale)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}.section-head p{max-width:520px;color:var(--muted);margin:0}.text-link{color:var(--blue);font-weight:700;font-size:14px}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.product-card{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff;transition:.25s}.product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#c6d8f5}.product-image{background:#f1f5f9;padding:18px}.product-image img{width:100%;height:190px;object-fit:contain}.product-body{padding:21px}.product-tag{font-size:11px;text-transform:uppercase;letter-spacing:1px;color:var(--blue);font-weight:800}.product-body h3{margin:8px 0}.product-body p{color:var(--muted);font-size:14px;min-height:45px;margin:0 0 18px}.card-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:15px;font-size:13px;font-weight:700}.arrow{color:var(--blue);font-size:20px}.category-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.category{background:#fff;border:1px solid var(--line);padding:23px 17px;border-radius:14px;min-height:140px}.category b{display:block;color:var(--navy);margin:13px 0 5px}.category small{color:var(--muted)}.cat-icon{width:38px;height:38px;border-radius:10px;background:#eaf1ff;color:var(--blue);display:grid;place-items:center;font-weight:800}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.feature{padding:25px;border:1px solid var(--line);border-radius:15px;background:#fff}.feature .cat-icon{margin-bottom:18px}.feature p{color:var(--muted);font-size:14px;margin-bottom:0}.cta-band{background:var(--navy);color:#fff;border-radius:20px;padding:42px 48px;display:flex;justify-content:space-between;align-items:center;gap:30px}.cta-band h2{color:#fff;font-size:30px;margin:0 0 9px}.cta-band p{color:#c5d2df;margin:0}.cta-band .btn{background:#fff;color:var(--navy);border-color:#fff;white-space:nowrap}.page-hero{background:linear-gradient(120deg,#f4f7fb,#eaf2ff);padding:62px 0}.page-hero h1{font-size:46px;margin:12px 0}.page-hero p{color:var(--muted);max-width:650px;margin:0}.breadcrumbs{font-size:12px;color:#748398;margin-bottom:15px}.filter-row{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:28px}.filter-btn{border:1px solid var(--line);background:#fff;padding:9px 14px;border-radius:30px;font-size:13px;font-weight:700;color:#52647a;cursor:pointer}.filter-btn.active,.filter-btn:hover{background:var(--blue);color:#fff;border-color:var(--blue)}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:start}.detail-image{background:#f1f5f9;border-radius:18px;padding:25px}.detail-image img{width:100%;height:360px;object-fit:contain}.detail-content h1{font-size:42px;margin:12px 0}.detail-content p{color:var(--muted)}.spec-table{width:100%;border-collapse:collapse;margin:24px 0}.spec-table td{padding:12px 10px;border-bottom:1px solid var(--line);font-size:14px}.spec-table td:first-child{color:var(--muted);width:42%}.notice{padding:14px 16px;background:#fff8e8;border:1px solid #f3dfae;border-radius:10px;color:#785a1d;font-size:13px;margin:18px 0}.form-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:42px;align-items:start}.contact-info{background:var(--navy);color:#fff;padding:32px;border-radius:17px}.contact-info h2{color:#fff;font-size:29px}.contact-info p{color:#c7d4e1}.contact-item{padding:16px 0;border-top:1px solid rgba(255,255,255,.15);font-size:14px}.contact-item b{display:block;color:#fff}.form-card{border:1px solid var(--line);border-radius:17px;padding:30px;box-shadow:0 10px 35px rgba(16,36,59,.05)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}.field{display:flex;flex-direction:column;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:13px;font-weight:700;color:#33465d}.field input,.field select,.field textarea{width:100%;padding:13px 14px;border:1px solid #d8e1ea;border-radius:8px;font:inherit;font-size:14px;color:var(--ink);background:#fff}.field textarea{min-height:120px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid #3b82f6;border-color:var(--blue)}.form-note{font-size:12px;color:var(--muted);margin-top:13px}.footer{background:#0b1b2d;color:#c4d0dd;padding:55px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:45px}.footer .brand{color:#fff}.footer p{font-size:13px;color:#9fb0c2;max-width:340px}.footer h4{color:#fff;margin:0 0 14px}.footer-links{display:grid;gap:9px;font-size:13px}.footer-links a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:18px;font-size:12px;color:#8ea0b3;display:flex;justify-content:space-between;gap:15px}.empty-state{padding:50px;text-align:center;color:var(--muted);background:var(--pale);border-radius:14px}.mobile-only{display:none}
@media(max-width:768px){.hero-grid,.detail-grid,.form-wrap{grid-template-columns:1fr}.hero-grid{gap:35px}.hero{padding:60px 0}.category-grid{grid-template-columns:repeat(3,1fr)}.product-grid{grid-template-columns:repeat(2,1fr)}.navlinks{gap:15px}.section{padding:65px 0}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:650px){.container{width:min(100% - 30px,1160px)}.topbar .container{justify-content:center}.topbar .container span:last-child{display:none}.nav{height:66px}.menu-toggle{display:block}.navlinks{display:none;position:absolute;top:66px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:18px 22px;flex-direction:column;align-items:stretch}.navlinks.open{display:flex}.navlinks a{padding:7px 0}.nav-cta{display:none}.hero{padding:48px 0}.hero-grid{gap:25px}h1{font-size:39px}.hero p{font-size:15px}.section{padding:55px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:14px}.product-grid{grid-template-columns:1fr}.category-grid{grid-template-columns:repeat(2,1fr)}.feature-grid{grid-template-columns:1fr}.cta-band{display:block;padding:30px 25px}.cta-band .btn{margin-top:22px}.page-hero{padding:43px 0}.page-hero h1{font-size:36px}.detail-image img{height:260px}.detail-content h1{font-size:35px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.form-card{padding:22px}.footer-grid{grid-template-columns:1fr;gap:28px}.footer-grid>div:first-child{grid-column:auto}.copyright{display:block}.copyright span{display:block;margin-top:6px}}

/* SEO/GEO knowledge article readability */
.article-wrap{max-width:900px;margin:0 auto}.article-wrap h1{max-width:850px;line-height:1.15;margin:16px 0 18px}.article-intro{font-size:19px;line-height:1.7;color:var(--muted,#64748b);max-width:780px}.article-wrap section{margin:34px 0}.article-wrap section h2{margin-bottom:12px}.article-wrap section p{line-height:1.8;max-width:820px}.article-wrap a,.feature h3 a{color:inherit}.article-wrap li{margin:8px 0;line-height:1.7}.feature h3 a{text-decoration:none}.feature h3 a:hover{text-decoration:underline}


/* Responsive audit refinements */
html,body{max-width:100%;overflow-x:clip}
@supports not (scrollbar-gutter:stable){html{overflow-y:scroll}}
.container,.nav,.hero-grid,.detail-grid,.form-wrap,.footer-grid{min-width:0}
img,svg,video,iframe{max-width:100%;height:auto}
button,a,input,select,textarea{touch-action:manipulation}
a:focus-visible,button:focus-visible,.btn:focus-visible,.menu-toggle:focus-visible,.filter-btn:focus-visible{outline:2px solid #3b82f6;outline-offset:2px}
button,.btn,.nav-cta,.filter-btn{min-height:42px}
.navlinks a{white-space:nowrap}
.spec-table{display:block;width:100%;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
.spec-table td{overflow-wrap:anywhere}
.article-wrap,.article-wrap p,.article-wrap li{overflow-wrap:anywhere}
.article-wrap pre,.article-wrap code{max-width:100%;white-space:pre-wrap;overflow-wrap:anywhere}
.field input,.field select,.field textarea{min-width:0}
@media(max-width:768px){
  .nav{position:relative}
  .menu-toggle{display:block;min-width:44px;min-height:44px}
  .navlinks{display:none;position:absolute;top:76px;left:0;right:0;z-index:30;background:#fff;border-bottom:1px solid var(--line);padding:16px 22px;flex-direction:column;align-items:stretch;gap:4px;box-shadow:0 14px 24px rgba(16,36,59,.10)}
  .navlinks.open{display:flex}
  .navlinks a{padding:10px 4px;white-space:normal}
  .nav-cta{margin-left:auto;white-space:nowrap}
}
@media(max-width:650px){
  .nav{position:relative}
  .navlinks{top:66px;left:-15px;right:-15px}
  .nav-cta{display:none}
  .brand{min-width:0}
  .brand span{max-width:170px}
  .hero-visual img{width:100%;height:auto}
  .float-note{right:8px;bottom:8px;max-width:calc(100% - 16px)}
  .spec-table{min-width:0}
  .spec-table tr{min-width:420px}
  .form-card,.contact-info{min-width:0}
  .empty-state{padding:28px 18px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
}body.nav-open{overflow:hidden}
@media(max-width:1024px){.nav-cta{display:none}}


/* Production stability patch: keep the global header geometry identical on every page. */
.site-header{min-height:77px}
.nav{height:76px;min-height:76px;flex-wrap:nowrap;gap:clamp(12px,1.8vw,24px)}
.brand{flex:0 0 170px;width:170px;min-width:170px;height:38px;min-height:38px;gap:11px;line-height:1}
.brand img{display:block;flex:0 0 38px;width:38px;height:38px;object-fit:contain}
.brand span{display:block;min-width:0;max-width:121px;line-height:1.2}
.navlinks{flex:1 1 auto;min-width:0;justify-content:center;gap:clamp(9px,1.25vw,16px)}
.navlinks a{display:inline-flex;align-items:center;min-height:42px;line-height:1.2}
.nav-cta{flex:0 0 auto;min-width:150px;height:44px;min-height:44px;padding:0 16px;line-height:1;white-space:nowrap;transform:none;transition:background-color .18s ease,color .18s ease,box-shadow .18s ease}
.nav-cta:hover,.nav-cta:focus-visible{transform:none;box-shadow:0 4px 12px rgba(16,36,59,.12)}
.btn{min-height:44px;transform:none;transition:background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease}
.btn:hover,.btn:focus-visible{transform:none;box-shadow:0 4px 12px rgba(16,36,59,.10)}
@media(max-width:1024px){
  .nav-cta{display:none}
  .brand{flex-basis:170px}
  .navlinks{gap:clamp(9px,1.35vw,14px)}
}
@media(max-width:768px){
  .nav{height:76px;min-height:76px;justify-content:space-between}
  .brand{flex:0 0 170px}
  .menu-toggle{display:flex;align-items:center;justify-content:center;width:44px;height:44px;min-width:44px;min-height:44px;padding:0}
  .navlinks{display:none;position:absolute;top:76px;left:0;right:0;z-index:30;flex:none;justify-content:flex-start;gap:4px}
  .navlinks.open{display:flex}
}
@media(max-width:650px){
  .nav{height:66px;min-height:66px}
  .site-header{min-height:67px}
  .navlinks{top:66px}
  .brand{flex-basis:170px;width:170px;min-width:170px}
}