:root{--navy:#0f172a;--ink:#0f172a;--muted:#475569;--bg:#f1f5f9;--card:#fff;--border:#e2e8f0;--red:#dc2626;--red-dark:#b91c1c}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Be Vietnam Pro",system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.5;font-size:16px}
a{color:inherit}
.wrap{max-width:1280px;margin:0 auto;padding:0 16px}
.skip-link{position:absolute;left:-9999px}
.skip-link:focus{left:16px;top:16px;background:#fff;padding:8px 12px;z-index:100}
.topbar{background:var(--navy);color:#e2e8f0;font-size:13px}
.topbar-inner{display:flex;gap:16px;align-items:center;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.topbar-contacts{margin-left:auto;display:flex;gap:16px;flex-wrap:wrap}
.topbar-contacts a{text-decoration:none}
.header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20}
.header-inner{display:flex;gap:24px;align-items:center;padding-top:16px;padding-bottom:16px;flex-wrap:wrap}
.logo{text-decoration:none;color:var(--navy)}
.logo-text{display:flex;flex-direction:column}
.logo-text strong{font-size:22px;letter-spacing:.2px;line-height:1.1}
.logo-text small{font-size:12px;color:var(--muted)}
.search{flex:1;min-width:220px;display:flex;align-items:center;gap:8px;border:1px solid var(--border);border-radius:8px;padding:10px 12px;background:#f8fafc}
.search svg{width:20px;height:20px;color:var(--muted);flex:none}
.search input{border:0;outline:0;background:transparent;width:100%;font:inherit;font-size:15px}
.cart-btn{display:flex;align-items:center;gap:8px;border:1px solid var(--navy);background:#fff;color:var(--navy);border-radius:8px;padding:10px 14px;font:inherit;font-weight:700;cursor:pointer}
.cart-count{background:var(--red);color:#fff;border-radius:999px;padding:0 8px;font-size:13px}
.banner-img{border-radius:12px;overflow:hidden;margin-top:20px;background:transparent}
.banner-img img{width:100%;height:auto;display:block}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:8px;padding:11px 16px;font:inherit;font-weight:700;text-decoration:none;cursor:pointer;border:1px solid transparent}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-dark)}
.btn-ghost{background:#fff;color:var(--navy);border-color:var(--navy)}
.btn-ghost-light{background:transparent;color:#fff;border-color:#fff}
.shop-toolbar{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-top:28px;margin-bottom:16px}
.shop-title{margin:0;font-size:24px}
.category-intro{max-width:760px;line-height:1.6}
.shop-toolbar p{margin:4px 0 0;color:var(--muted);font-size:14px}
.shop-filters{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.sort-label{font-size:14px;color:var(--muted);display:flex;gap:8px;align-items:center}
.sort-label select{font:inherit;padding:8px;border:1px solid var(--border);border-radius:8px;background:#fff}
.shop-layout{display:grid;grid-template-columns:280px 1fr;gap:20px;align-items:start}
.sidebar{background:#fff;border:1px solid var(--border);border-radius:12px;padding:12px;position:sticky;top:96px}
.sidebar-title{font-size:13px;font-weight:800;letter-spacing:.5px;color:var(--muted);margin:4px 8px 10px}
.side-btn{display:flex;justify-content:space-between;gap:8px;width:100%;text-align:left;text-decoration:none;background:transparent;border:0;border-radius:8px;padding:9px 10px;font:inherit;font-size:14px;cursor:pointer;color:var(--ink)}
.side-btn:hover{background:#f1f5f9}
.side-btn.active{background:var(--navy);color:#fff;font-weight:700}
.side-btn span{color:var(--muted);font-size:12px;flex:none}
.side-btn.active span{color:#cbd5e1}
.sidebar-note{font-size:13px;color:var(--muted);margin:12px 8px 4px}
.side-group{border-top:1px solid var(--border);margin-top:6px;padding-top:6px}
.side-group-btn{display:flex;justify-content:space-between;align-items:center;gap:8px;width:100%;background:#f8fafc;border:0;border-radius:8px;padding:10px;font:inherit;font-size:14px;font-weight:700;color:var(--navy);cursor:pointer;text-align:left}
.side-group-btn.open{background:var(--navy);color:#fff}
.side-group-meta{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px;font-weight:400}
.side-group-btn.open .side-group-meta{color:#cbd5e1}
.side-arrow{font-size:13px}
.side-sub{display:grid;gap:2px;padding:6px 0 2px 12px;border-left:2px solid var(--border);margin-left:10px}
.side-sub-btn{font-size:13px;padding:8px 10px}
.catalog-col{min-width:0}
.floor{background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px;margin-bottom:20px}
.floor-head{display:flex;justify-content:space-between;align-items:center;gap:12px;border-bottom:1px solid var(--border);padding-bottom:12px;margin-bottom:16px}
.floor-head h2{margin:0;font-size:18px;display:flex;align-items:center;gap:10px}
.floor-no{background:var(--navy);color:#fff;font-size:13px;border-radius:6px;padding:2px 8px}
.floor-count{color:var(--muted);font-size:13px;white-space:nowrap}
.floor-empty{color:var(--muted);margin:0}
.floor-more{display:block;width:100%;margin-top:16px;padding:11px;border:1px solid var(--navy);border-radius:8px;background:#fff;color:var(--navy);font:inherit;font-weight:700;cursor:pointer}
.floor-more:hover{background:#f1f5f9}
.floor-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(215px,1fr));gap:16px}
.card{border:1px solid var(--border);border-radius:10px;overflow:hidden;background:#fff;display:flex;flex-direction:column}
.card-img{border:0;background:#fff;padding:8px;cursor:pointer;aspect-ratio:1/1;display:block}
.card-img img{width:100%;height:100%;object-fit:contain;display:block}
.card-img.img-missing{background:#f1f5f9}
.card-img.img-missing::after{content:attr(data-missing);display:flex;align-items:center;justify-content:center;height:100%;color:var(--muted);font-size:13px;text-align:center;padding:16px}
.card-body{padding:12px 14px 14px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:6px;flex:1}
.card-cat{font-size:11px;font-weight:700;letter-spacing:.3px;color:var(--muted);text-transform:uppercase;margin:0}
.card h3{margin:0;font-size:15px;line-height:1.35}
.card h3 button{font:inherit;font-weight:700;text-align:left;background:none;border:0;padding:0;cursor:pointer;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-price{font-size:20px;font-weight:800;color:var(--red);margin:2px 0 6px}
.card-price.contact{color:var(--muted);font-size:16px}
.card-actions{display:flex;gap:8px;margin-top:auto;flex-wrap:wrap}
.card-actions .btn{padding:8px 10px;font-size:14px;flex:1}
.section{margin-top:32px}
.section h2{margin:0 0 6px}
.section-sub{color:var(--muted);margin:0 0 14px}
.brand-marquee{background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px 0 12px;margin-top:32px;overflow:hidden}
.brand-label{font-size:12px;font-weight:800;letter-spacing:.5px;color:var(--muted);text-transform:uppercase;margin:0 20px 12px}
.marquee{overflow:hidden;-webkit-mask-image:linear-gradient(to right,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(to right,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;width:max-content;animation:brand-scroll 30s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-group{list-style:none;margin:0;padding:0 48px 0 0;display:flex;gap:48px;align-items:center}
.marquee-group li{font-size:24px;font-weight:800;letter-spacing:.3px;color:var(--navy);white-space:nowrap;display:flex;align-items:center;gap:48px}
.marquee-group li::after{content:"";width:7px;height:7px;border-radius:50%;background:var(--red);flex:none}
@keyframes brand-scroll{to{transform:translateX(-50%)}}
@media(prefers-reduced-motion:reduce){.marquee-track{animation:none;flex-wrap:wrap;width:auto}}
.support-section{margin-top:40px}
.support-head{margin-bottom:16px}
.support-head h2{margin:0;font-size:22px;color:var(--navy)}
.support-head p{margin:6px 0 0;color:var(--muted);font-size:15px}
.support-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.support-card{background:#fff;border:1px solid var(--border);border-top:4px solid var(--navy);border-radius:12px;padding:20px;display:flex;flex-direction:column;gap:10px}
.support-card h3{margin:0;font-size:16px;color:var(--navy)}
.support-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.55}
.support-icon{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;background:#eef2f7;color:var(--navy)}
.support-icon svg{width:24px;height:24px}
.support-steps{margin:0;padding:0;list-style:none;display:grid;gap:6px;color:var(--muted);font-size:14px;line-height:1.55;counter-reset:step}
.support-steps li{counter-increment:step;padding-left:28px;position:relative}
.support-steps li::before{content:counter(step);position:absolute;left:0;top:0;width:20px;height:20px;border-radius:50%;background:var(--navy);color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center}

.empty{color:var(--muted);font-size:14px}
.footer{background:var(--navy);color:#cbd5e1;margin-top:40px;padding:32px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:24px}
.footer-logo{color:#fff;font-weight:800}
.footer h3{color:#fff;margin:0 0 8px;font-size:16px}
.footer address{font-style:normal}
.footer a{color:#e2e8f0}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.footer-bottom{border-top:1px solid #334155;margin-top:24px;padding-top:16px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px}
.sticky-bar{display:none}
.drawer-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.5);z-index:40}
.drawer{position:fixed;top:0;right:0;width:min(420px,92vw);height:100%;background:#fff;z-index:50;padding:20px;overflow:auto;box-shadow:-8px 0 24px rgba(0,0,0,.2)}
.drawer-head{display:flex;justify-content:space-between;align-items:center}
.drawer-head h2{margin:0;font-size:20px}
.drawer-head button{font-size:28px;background:none;border:0;cursor:pointer;line-height:1}
.drawer-note{color:var(--muted);font-size:14px}
.drawer-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.drawer-list li{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--border);padding-bottom:12px}
.drawer-list button{background:none;border:0;color:var(--red);cursor:pointer;font:inherit}
.drawer-foot{display:grid;gap:10px;margin-top:20px}
.modal{border:0;padding:0;border-radius:12px;max-width:640px;width:calc(100% - 32px);max-height:calc(100vh - 32px)}
.modal-box{padding:14px 20px 20px;position:relative;max-height:calc(100vh - 32px);overflow:auto}
.modal-close{position:sticky;top:6px;z-index:2;display:flex;align-items:center;justify-content:center;width:max-content;min-height:36px;margin:0 0 16px auto;padding:0 14px;font-size:14px;font-weight:800;color:#fff;background:var(--navy);border:0;border-radius:999px;box-shadow:0 4px 14px rgba(15,23,42,.45);cursor:pointer}
.modal-img{width:100%;max-height:320px;object-fit:contain;background:#f8fafc;border:1px solid var(--border);border-radius:8px}
.modal-cat{color:var(--muted);font-size:13px;font-weight:700;text-transform:uppercase}
.modal-price{font-size:24px;font-weight:800;color:var(--red)}
#modalDesc{white-space:pre-line}
.modal-price.contact{color:var(--muted);font-size:18px}
.specs{margin:16px 0;display:grid;gap:8px}
.specs div{display:grid;grid-template-columns:140px 1fr;gap:12px}
.specs dt{color:var(--muted)}
.specs dd{margin:0}
.modal-actions{display:flex;gap:10px;flex-wrap:wrap}
@media(max-width:900px){
  .shop-layout{grid-template-columns:1fr}
  .sidebar{position:static}
  .support-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .sticky-bar{display:flex;position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid var(--border);z-index:30}
  .sticky-bar a,.sticky-bar button{flex:1;text-align:center;padding:13px 6px;font:inherit;font-weight:700;text-decoration:none;color:var(--navy);background:#fff;border:0;cursor:pointer}
  .sticky-bar a:first-child{background:var(--red);color:#fff}
  body{padding-bottom:52px}
}
@media(max-width:560px){
  .support-grid,.footer-grid{grid-template-columns:1fr}
  .floor-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .card-actions .btn{font-size:13px}
}