.skip-link{position:absolute;left:-999px;top:-999px;background:#fff;color:#111;padding:12px 20px;z-index:99999;border-radius:0 0 8px 0;font-size:14px;font-weight:700;text-decoration:none;}
.skip-link:focus{left:0;top:0;}

.ic{width:1em;height:1em;display:inline-block;vertical-align:-0.15em;flex-shrink:0}
.feat-icon .ic,.industry-icon .ic{color:var(--gold)}
.cm-icon .ic{color:var(--gold2)}
.author-icon .ic{color:var(--gold)}

:root{--ink:#0f0d0a;--ink2:#2a2318;--ink3:#6b5c40;--bg:#faf8f3;--bg2:#f3ede0;--bg3:#e8dcc8;--gold:#b07808;--gold2:#d49a18;--gold3:#f5c842;--gold-pale:#fef6dd;--green:#1a440e;--green2:#256a18;--white:#fff;--border:rgba(140,100,30,0.14);--shadow:0 2px 20px rgba(60,40,10,0.08);--shadow-lg:0 6px 36px rgba(60,40,10,0.14);--radius:10px;--radius-lg:16px;}
*{margin:0;padding:0;box-sizing:border-box;}html{scroll-behavior:smooth;}
body{font-family:'Segoe UI',system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.7;font-size:15px;}
img{max-width:100%;height:auto;display:block;}a{color:inherit;text-decoration:none;}
.container{max-width:1140px;margin:0 auto;padding:0 24px;}
.topbar{background:var(--ink);padding:9px 0;font-size:12px;color:rgba(255,255,255,0.5);}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;}
.topbar-left{display:flex;align-items:center;gap:16px;}
.topbar a{color:rgba(255,255,255,0.7);}
.cert-badge{font-size:10px;font-weight:700;padding:2px 8px;border-radius:3px;border:1px solid rgba(255,255,255,0.2);color:rgba(255,255,255,0.65);}
.nav-wrap{position:sticky;top:0;z-index:100;background:rgba(255,255,255,0.97);backdrop-filter:blur(12px);border-bottom:1px solid rgba(180,140,50,0.12);box-shadow:0 2px 16px rgba(60,40,10,0.07);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:64px;max-width:1140px;margin:0 auto;}
.nav-logo{font-weight:800;font-size:18px;color:var(--ink);}.nav-logo span{color:var(--gold);}
.nav-links{display:flex;gap:2px;align-items:center;}
.nav-links a{padding:8px 14px;border-radius:6px;font-size:14px;font-weight:500;color:var(--ink3);}
.nav-links a:hover{color:var(--ink);background:var(--bg2);}
.nav-cta{background:var(--gold)!important;color:#fff!important;border-radius:8px!important;padding:9px 20px!important;font-weight:700!important;}
.breadcrumb{background:var(--bg2);padding:12px 0;font-size:13px;color:var(--ink3);border-bottom:1px solid var(--bg3);}
.breadcrumb a{color:var(--gold);}
.breadcrumb span{margin:0 8px;opacity:.5;}
.page-hero{background:var(--white);padding:52px 0 40px;border-bottom:1px solid var(--bg2);}
.page-hero h1{font-size:clamp(26px,4vw,40px);font-weight:900;color:var(--ink);margin-bottom:14px;letter-spacing:-0.5px;}
.page-hero p{font-size:15.5px;color:var(--ink3);max-width:680px;line-height:1.8;}
.label{font-size:11px;font-weight:700;letter-spacing:3px;text-transform:uppercase;color:var(--gold2);font-family:'Courier New',monospace;display:block;margin-bottom:10px;}
.notice-banner{background:var(--gold-pale);border:1px solid rgba(176,120,8,0.2);border-radius:var(--radius);padding:16px 20px;margin-top:24px;font-size:13.5px;color:var(--ink2);max-width:680px;}
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:44px 0 20px;}
.prod-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:box-shadow .2s,transform .2s;}
.prod-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);}
.prod-img-wrap{width:100%;aspect-ratio:1/1;overflow:hidden;background:var(--bg3);}.prod-img-wrap a{display:block;width:100%;height:100%;}.prod-img-wrap a:hover img{transform:scale(1.04);}
.prod-card img{width:100%;height:100%;object-fit:contain;transition:transform .35s;background:var(--white);padding:12px;}
.prod-card:hover img{transform:scale(1.05);}
.prod-body{padding:18px;}
.prod-tag{font-size:10px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--green2);background:rgba(37,106,24,0.1);padding:3px 8px;border-radius:3px;display:inline-block;margin-bottom:10px;}
.prod-card h2{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.prod-card p{font-size:12.5px;color:var(--ink3);line-height:1.55;margin-bottom:12px;}
.prod-link{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;font-weight:700;color:var(--gold);padding:8px 14px;border-radius:6px;border:1px solid rgba(176,120,8,0.3);}
.prod-link:hover{background:var(--gold-pale);}
.faq-section{padding:44px 0 60px;}
.faq-list{margin-top:24px;}
.faq-item{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow);}
.faq-q{padding:16px 20px;font-weight:700;font-size:14px;color:var(--ink);display:flex;justify-content:space-between;align-items:center;cursor:pointer;gap:12px;border:none;width:100%;text-align:left;background:var(--white);}
.faq-q:hover{background:var(--bg);}
.faq-icon{font-size:18px;color:var(--gold);flex-shrink:0;transition:transform .25s;}
.faq-a{padding:0 20px;max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s;font-size:13.5px;color:var(--ink3);line-height:1.8;}
.faq-item.open .faq-a{max-height:300px;padding:0 20px 16px;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.cta-strip{background:var(--ink);padding:44px 0;text-align:center;}
.cta-strip h2{color:#fff;font-size:clamp(20px,2.8vw,28px);font-weight:900;margin-bottom:10px;}
.cta-strip p{color:rgba(255,255,255,0.55);font-size:14px;margin-bottom:22px;}
.btn-primary{background:var(--gold);color:#fff;padding:13px 26px;border-radius:8px;font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:8px;margin-right:10px;}
.btn-secondary{background:rgba(255,255,255,0.1);color:rgba(255,255,255,0.85);border:1px solid rgba(255,255,255,0.2);padding:13px 24px;border-radius:8px;font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:8px;}
.footer{background:#080604;padding:40px 0 20px;color:rgba(255,255,255,0.55);font-size:13px;}
.footer-bottom{max-width:1140px;margin:0 auto;padding:0 24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12px;}
.footer-bottom a{color:rgba(255,255,255,0.55);}
.social-row{display:flex;gap:10px;margin-top:20px;justify-content:center;}
.social-icon{width:30px;height:30px;border-radius:50%;background:rgba(255,255,255,0.07);border:1px solid rgba(255,255,255,0.12);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,0.6);transition:background .15s,color .15s,transform .15s;}
.social-icon:hover{background:var(--gold);color:#fff;transform:translateY(-2px);}
@media(max-width:900px){.prod-grid{grid-template-columns:repeat(2,1fr);}.nav-links{display:none;}}
@media(max-width:560px){.prod-grid{grid-template-columns:1fr;}}

.footer-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr 1.3fr;gap:32px;margin-bottom:40px;}
.footer-brand{font-size:18px;font-weight:800;color:var(--white);margin-bottom:12px;}
.footer-brand span{color:var(--gold);}
.footer-tagline{font-size:13px;color:rgba(255,255,255,0.55);line-height:1.6;margin-bottom:14px;}
.footer-col h3{color:rgba(255,255,255,0.7);font-size:11px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:14px;font-family:'Courier New',monospace;}
.footer-links{list-style:none;}
.footer-links li{margin-bottom:8px;}
.footer-links a{color:rgba(255,255,255,0.55);font-size:13px;transition:color .15s;}
.footer-links a:hover{color:var(--gold2);}

.footer-certs{display:flex;gap:8px;flex-wrap:wrap;}
.footer-cert-badge{font-size:10px;font-weight:700;padding:3px 9px;border-radius:3px;border:1px solid rgba(255,255,255,0.15);color:rgba(255,255,255,0.5);}
.footer-col h4{color:rgba(255,255,255,0.75);font-size:12px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:14px;font-family:'Courier New',monospace;}

.guide-links{padding:44px 0;background:var(--bg2);}
.guide-links .guide-title{font-size:11px;font-weight:700;letter-spacing:3px;text-transform:uppercase;color:var(--gold2);font-family:'Courier New',monospace;margin-bottom:10px;}
.guide-links h2{font-size:22px;font-weight:900;color:var(--ink);margin-bottom:6px;}
.guide-links p.guide-intro{font-size:14px;color:var(--ink3);line-height:1.7;margin-bottom:18px;max-width:620px;}
.guide-links ul{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:10px 24px;}
.guide-links li{border-left:2px solid var(--gold);padding-left:12px;}
.guide-links li a{font-size:14px;font-weight:600;color:var(--ink);line-height:1.5;}
.guide-links li a:hover{color:var(--gold);}
@media(max-width:760px){.guide-links ul{grid-template-columns:1fr;}}