:root{--navy:#0d1b2e;--navy2:#122540;--ink:#1c2733;--mut:#5b6a7a;--line:#e3e8ef;
--amber:#f0a832;--amber2:#d98f16;--bg:#f6f8fb;--card:#ffffff;--radius:10px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI",-apple-system,"Helvetica Neue",Arial,sans-serif;color:var(--ink);
background:var(--bg);line-height:1.65;font-size:16px}
img{max-width:100%;height:auto}
a{color:var(--amber2);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.25;color:var(--navy)}
/* header */
.topbar{background:var(--navy);color:#c8d4e4;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;padding-top:7px;padding-bottom:7px;flex-wrap:wrap}
.topbar a{color:#f4d9a6}
.header{background:#fff;position:sticky;top:0;z-index:50;box-shadow:0 2px 12px rgba(13,27,46,.08)}
.header .wrap{display:flex;align-items:center;gap:26px;padding-top:12px;padding-bottom:12px}
.logo{display:flex;align-items:center;gap:10px;color:var(--navy)}
.logo:hover{text-decoration:none}
.logo img{width:38px;height:38px}
.logo b{font-size:19px;letter-spacing:.4px;display:block;line-height:1.15}
.logo span{font-size:11.5px;color:var(--mut);letter-spacing:.8px;text-transform:uppercase}
.nav{margin-left:auto;display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.nav>a,.nav>div>a{display:block;padding:10px 14px;color:var(--ink);font-weight:600;font-size:15px;border-radius:6px}
.nav>a:hover,.nav>div>a:hover{background:var(--bg);text-decoration:none;color:var(--navy)}
.drop{position:relative}
.drop-panel{display:none;position:absolute;right:0;top:100%;background:#fff;min-width:560px;
box-shadow:0 14px 34px rgba(13,27,46,.16);border-radius:0 0 12px 12px;padding:18px 22px;
grid-template-columns:1fr 1fr;gap:4px 26px;border-top:3px solid var(--amber)}
.drop:hover .drop-panel{display:grid}
.drop-panel a{display:block;padding:7px 4px;color:var(--ink);font-size:14.5px;border-bottom:1px solid var(--line)}
.drop-panel a:hover{color:var(--amber2);text-decoration:none}
.drop-panel .alllink{grid-column:1/-1;border-bottom:none;font-weight:700;color:var(--amber2);padding-top:10px}
/* hero */
.hero{position:relative;height:min(72vh,640px);min-height:460px;overflow:hidden;background:var(--navy)}
.hero .slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;
animation:fade 18s infinite}
.hero .slide:nth-child(2){animation-delay:6s}
.hero .slide:nth-child(3){animation-delay:12s}
@keyframes fade{0%{opacity:0}5%{opacity:1}33%{opacity:1}43%{opacity:0}100%{opacity:0}}
.hero-inner{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center}
.hero h1{color:#fff;font-size:clamp(30px,4.6vw,52px);max-width:760px}
.hero h1 em{color:var(--amber);font-style:normal}
.hero p.sub{color:#d6e0ee;font-size:clamp(15px,1.6vw,19px);max-width:640px;margin-top:16px}
.hero .cta-row{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 26px;border-radius:8px;font-weight:700;font-size:15px;
letter-spacing:.3px;transition:transform .15s ease,box-shadow .15s ease}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-amber{background:var(--amber);color:#241a05;box-shadow:0 8px 20px rgba(240,168,50,.35)}
.btn-ghost{border:2px solid rgba(255,255,255,.55);color:#fff}
.hero-badges{position:relative;z-index:2;margin-top:34px;display:flex;gap:26px;flex-wrap:wrap;color:#b9c7da;font-size:13.5px}
.hero-badges b{color:#fff;display:block;font-size:20px}
/* sections */
.section{padding:64px 0}
.section.alt{background:#fff}
.kicker{color:var(--amber2);font-weight:700;text-transform:uppercase;letter-spacing:2px;font-size:13px}
.section h2{font-size:clamp(24px,3vw,34px);margin:8px 0 14px}
.lead{color:var(--mut);max-width:760px}
/* grids */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px;margin-top:30px}
.cat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
transition:box-shadow .2s,transform .2s;color:var(--ink)}
.cat-card:hover{box-shadow:0 12px 28px rgba(13,27,46,.12);transform:translateY(-3px);text-decoration:none}
.cat-card .thumb{height:170px;background:#fff center/contain no-repeat;border-bottom:1px solid var(--line)}
.cat-card .body{padding:14px 16px}
.cat-card h3{font-size:16.5px}
.cat-card .cnt{color:var(--mut);font-size:13px;margin-top:3px}
.prod-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:18px;margin-top:26px}
.prod-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;color:var(--ink);
transition:box-shadow .2s,transform .2s;display:flex;flex-direction:column}
.prod-card:hover{box-shadow:0 10px 24px rgba(13,27,46,.12);transform:translateY(-3px);text-decoration:none}
.prod-card .thumb{height:180px;background:#fff center/contain no-repeat;border-bottom:1px solid var(--line)}
.prod-card .body{padding:12px 14px;font-size:14.5px;font-weight:600;color:var(--navy)}
/* feature rows */
.feat{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:30px}
.feat .f{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.feat .f h3{font-size:17px;margin-bottom:8px}
.feat .f p{color:var(--mut);font-size:14.5px}
.feat .f .ic{width:42px;height:42px;border-radius:9px;background:linear-gradient(135deg,var(--amber),#f7c869);
display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:12px;color:#241a05;font-weight:800}
/* split */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
@media(max-width:860px){.split{grid-template-columns:1fr}}
.split img{border-radius:14px;box-shadow:0 16px 40px rgba(13,27,46,.18)}
/* cta band */
.cta-band{background:linear-gradient(120deg,var(--navy),#1b3a5f);}
.cta-band{background:linear-gradient(120deg,var(--navy),#1b3a5f);color:#fff;text-align:center;padding:56px 20px}
.cta-band h2{color:#fff}
.cta-band p{color:#c8d4e4;max-width:640px;margin:10px auto 24px}
/* breadcrumb */
.crumb{font-size:13.5px;color:var(--mut);padding:16px 0 0}
.crumb a{color:var(--mut)}
/* product detail */
.pd{display:grid;grid-template-columns:minmax(280px,460px) 1fr;gap:40px;margin-top:22px}
@media(max-width:860px){.pd{grid-template-columns:1fr}}
.pd-img{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;text-align:center}
.pd-img img{max-height:460px}
.pd h1{font-size:clamp(22px,2.6vw,32px)}
.pd .cat-tag{display:inline-block;background:#eef3f9;color:var(--navy);border-radius:20px;
padding:4px 14px;font-size:13px;font-weight:600;margin-bottom:10px}
.pro-desc{margin-top:18px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px 24px}
.pro-desc p{margin:0 0 10px}
.pro-desc table{border-collapse:collapse;width:100%;margin:12px 0}
.pro-desc td,.pro-desc th{border:1px solid var(--line);padding:7px 10px;font-size:14.5px}
.pro-desc ul,.pro-desc ol{margin:0 0 12px 22px}
.pd-cta{margin-top:20px;display:flex;gap:12px;flex-wrap:wrap}
/* contact */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin-top:28px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.contact-card h3{font-size:16px;color:var(--mut);text-transform:uppercase;letter-spacing:1.2px;font-size:13px}
.contact-card p{font-size:17px;margin-top:8px;color:var(--navy);font-weight:600}
/* footer */
.footer{background:var(--navy);color:#9fb0c6;margin-top:0;padding:48px 0 26px;font-size:14px}
.footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:34px}
@media(max-width:760px){.footer .cols{grid-template-columns:1fr}}
.footer h4{color:#fff;font-size:15px;margin-bottom:12px}
.footer a{color:#c8d4e4;display:block;padding:3px 0}
.footer .copy{border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:18px;font-size:13px}
/* category index anchors */
.anchor-nav{position:sticky;top:64px;z-index:40;background:#fff;border-bottom:1px solid var(--line);
padding:10px 0;overflow-x:auto;white-space:nowrap}
.anchor-nav a{display:inline-block;padding:6px 12px;margin:2px;color:var(--ink);font-size:14px;border-radius:16px;background:var(--bg)}
.anchor-nav a:hover{background:var(--amber);color:#241a05;text-decoration:none}
.cat-block{margin-top:44px}
.cat-block>h2{font-size:24px;border-left:5px solid var(--amber);padding-left:12px}
.count-note{color:var(--mut);font-size:14px;font-weight:400}
@media(max-width:720px){
.nav{display:none}
.m-nav{display:block!important}
.drop-panel{min-width:0;width:86vw;grid-template-columns:1fr}
}
.m-nav{display:none;margin-left:auto}
.m-nav summary{cursor:pointer;font-size:26px;color:var(--navy);list-style:none}
.m-nav .mm{position:absolute;right:12px;top:64px;background:#fff;border-radius:12px;
box-shadow:0 16px 40px rgba(13,27,46,.2);padding:14px 20px;display:flex;flex-direction:column;min-width:220px}
.m-nav .mm a{padding:9px 0;color:var(--ink);font-weight:600;border-bottom:1px solid var(--line)}