*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--navy:#0f1b2d;--navy-light:#1a2d4a;--white:#fff;--gray-50:#f8f9fa;--gray-100:#f0f1f3;--gray-200:#e0e2e6;--gray-500:#6b7280;--gray-700:#374151;--orange:#e8600a;--orange-hover:#d45500;--radius:8px;--shadow:0 2px 8px rgba(0,0,0,.08)}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--gray-700);background:var(--gray-50);line-height:1.6}
a{color:var(--orange);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
header{background:var(--navy);color:var(--white);padding:12px 0;position:sticky;top:0;z-index:100;box-shadow:0 2px 12px rgba(0,0,0,.15)}
.header-inner{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.logo img{height:40px}
.main-nav{display:flex;gap:16px;flex:1}
.main-nav a{color:var(--gray-200);font-size:14px;font-weight:500;padding:6px 0;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
.main-nav a:hover{color:var(--white);text-decoration:none;border-color:var(--orange)}
.btn-inquiry{background:var(--orange);color:var(--white)!important;padding:8px 20px;border-radius:var(--radius);font-weight:600;font-size:14px;white-space:nowrap}
.btn-inquiry:hover{background:var(--orange-hover);text-decoration:none}
.hero{text-align:center;padding:60px 20px;background:linear-gradient(135deg,var(--navy) 0%,var(--navy-light) 100%);color:var(--white);margin:-20px -20px 40px;border-radius:0 0 24px 24px}
.hero h1{font-size:2.4rem;margin-bottom:16px}
.hero p{font-size:1.1rem;opacity:.85;max-width:600px;margin:0 auto 24px}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.sub-hero{padding:40px 20px}.sub-hero h1{font-size:1.8rem}
.btn-primary{background:var(--orange);color:var(--white)!important;padding:12px 28px;border-radius:var(--radius);font-weight:600;font-size:15px;display:inline-block;transition:background .2s}
.btn-primary:hover{background:var(--orange-hover);text-decoration:none}
.btn-secondary{background:var(--white);color:var(--navy)!important;padding:12px 28px;border-radius:var(--radius);font-weight:600;font-size:15px;display:inline-block;border:2px solid var(--gray-200);transition:border-color .2s}
.btn-secondary:hover{border-color:var(--orange);text-decoration:none}
.section{margin-bottom:48px}
.section h2{font-size:1.5rem;margin-bottom:16px;color:var(--navy)}
.section>p{color:var(--gray-500);margin-bottom:20px}
.chip-grid{display:flex;flex-wrap:wrap;gap:10px}
.cat-chip{background:var(--white);padding:8px 18px;border-radius:20px;font-size:14px;color:var(--navy);border:1px solid var(--gray-200);transition:all .2s}
.cat-chip:hover{border-color:var(--orange);color:var(--orange);text-decoration:none}
.brand-grid,.category-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px}
.brand-card,.cat-card{background:var(--white);padding:20px;border-radius:var(--radius);box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.brand-card:hover,.cat-card:hover{transform:translateY(-2px);box-shadow:0 4px 16px rgba(0,0,0,.12);text-decoration:none;color:var(--navy)}
.brand-card h3,.cat-card h3{font-size:1rem;margin-bottom:4px}
.count{font-size:13px;color:var(--gray-500)}
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}
.product-card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s;color:var(--gray-700);display:flex;flex-direction:column}
.product-card:hover{transform:translateY(-3px);box-shadow:0 6px 20px rgba(0,0,0,.12);text-decoration:none;color:var(--gray-700)}
.card-img{height:160px;overflow:hidden;background:var(--gray-100);display:flex;align-items:center;justify-content:center}
.card-img img{width:100%;height:100%;object-fit:contain}
.no-img{color:var(--gray-500);font-size:14px;padding:40px;text-align:center}
.card-body{padding:12px 14px}
.card-body h3{font-size:.9rem;margin-bottom:6px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.sku,.oe,.model{font-size:12px;color:var(--gray-500)}
.price{font-size:15px;font-weight:700;color:var(--orange);margin-top:8px}
.badge-hot{background:var(--orange);color:var(--white);font-size:11px;padding:2px 8px;border-radius:10px;font-weight:700}
.badge-lr{background:var(--navy-light);color:var(--white);font-size:11px;padding:2px 8px;border-radius:10px;font-weight:600}
.breadcrumb{padding:16px 0;font-size:13px;color:var(--gray-500)}
.breadcrumb ol{display:flex;list-style:none;gap:6px;flex-wrap:wrap}
.breadcrumb li::after{content:"\203a";margin-left:6px;color:var(--gray-200)}
.breadcrumb li:last-child::after{display:none}
.breadcrumb a{color:var(--gray-500)}.breadcrumb a:hover{color:var(--orange)}
.tab-bar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.tab-btn{padding:8px 16px;border:1px solid var(--gray-200);border-radius:20px;background:var(--white);cursor:pointer;font-size:13px;color:var(--gray-700);transition:all .2s}
.tab-btn:hover{border-color:var(--orange);color:var(--orange)}
.tab-btn.active{background:var(--orange);color:var(--white);border-color:var(--orange)}
.tab-panel{display:none}
.tab-panel.active{display:block}
.more-note{text-align:center;padding:16px;color:var(--gray-500);font-size:14px}
.brand-stats{display:flex;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.stat{background:var(--white);padding:20px 32px;border-radius:var(--radius);box-shadow:var(--shadow);text-align:center}
.stat strong{display:block;font-size:2rem;color:var(--orange)}
.stat span{font-size:13px;color:var(--gray-500)}
.search-box{margin-bottom:24px;position:relative}
.search-box input{width:100%;padding:16px 20px;font-size:16px;border:2px solid var(--gray-200);border-radius:var(--radius);outline:none;transition:border-color .2s}
.search-box input:focus{border-color:var(--orange)}
.search-hint{position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--gray-500);font-size:13px}
.cta-section{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-light) 100%);color:var(--white);padding:48px 40px;border-radius:16px;text-align:center;margin:48px 0}
.cta-section h2{color:var(--white);margin-bottom:12px}
.cta-section p{opacity:.85;margin-bottom:24px}
.about-content{max-width:800px}
.about-text h2{margin-top:32px;font-size:1.3rem;color:var(--navy)}
.about-text ul{margin:12px 0;padding-left:24px}
.about-text li{margin-bottom:8px}
.ymm-section{background:var(--white);padding:32px;border-radius:16px;box-shadow:var(--shadow)}
.ymm-filter{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:24px}
.ymm-filter select{padding:12px 16px;font-size:15px;border:2px solid var(--gray-200);border-radius:var(--radius);background:var(--white);min-width:160px;cursor:pointer;outline:none;transition:border-color .2s}
.ymm-filter select:focus{border-color:var(--orange)}
.ymm-filter select:disabled{opacity:.5;cursor:not-allowed}
footer{background:var(--navy);color:var(--gray-200);padding:40px 0 0;margin-top:60px}
.footer-inner{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;padding-bottom:32px}
.footer-col h4{color:var(--white);margin-bottom:12px;font-size:16px}
.footer-col p{font-size:14px;line-height:1.8;opacity:.8}
.footer-col ul{list-style:none;font-size:14px}
.footer-col li{margin-bottom:6px}
.footer-col a{color:var(--gray-200)}.footer-col a:hover{color:var(--orange)}
.footer-bottom{border-top:1px solid var(--navy-light);padding:16px 0;text-align:center;font-size:13px;opacity:.6}
.cart-toggle{background:none;border:none;color:var(--gray-200);cursor:pointer;padding:8px;position:relative;display:flex;align-items:center;transition:color .2s}
.cart-toggle:hover{color:var(--orange)}
.cart-badge{position:absolute;top:0;right:0;background:var(--orange);color:var(--white);font-size:11px;font-weight:700;min-width:18px;height:18px;border-radius:9px;display:flex;align-items:center;justify-content:center;padding:0 4px}
.product-card-wrap{position:relative}
.product-card-wrap:hover .add-cart-btn{opacity:1}
.add-cart-btn{position:absolute;top:8px;right:8px;z-index:2;width:32px;height:32px;border-radius:50%;border:none;background:var(--orange);color:var(--white);font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .2s,background .2s;box-shadow:0 2px 6px rgba(0,0,0,.2)}
.add-cart-btn:hover{background:var(--orange-hover)}
.add-cart-btn.in-cart{opacity:1;background:var(--navy-light)}
.cart-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.4);z-index:200;opacity:0;pointer-events:none;transition:opacity .3s}
.cart-overlay.open{opacity:1;pointer-events:auto}
.cart-panel{position:fixed;top:0;right:-400px;width:380px;max-width:90vw;height:100vh;background:var(--white);z-index:201;box-shadow:-4px 0 20px rgba(0,0,0,.15);transition:right .3s;display:flex;flex-direction:column}
.cart-panel.open{right:0}
.cart-header{display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:1px solid var(--gray-200)}
.cart-header h3{font-size:1.2rem;color:var(--navy)}
.cart-close{background:none;border:none;font-size:24px;cursor:pointer;color:var(--gray-500);padding:4px 8px}
.cart-items{flex:1;overflow-y:auto;padding:16px}
.cart-empty{text-align:center;color:var(--gray-500);padding:40px 0}
.cart-item{display:flex;justify-content:space-between;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--gray-100)}
.cart-item-info{display:flex;flex-direction:column;gap:2px;flex:1}
.cart-item-info strong{font-size:14px;color:var(--navy)}
.cart-item-info span{font-size:12px;color:var(--gray-500)}
.cart-item-price{color:var(--orange)!important;font-weight:600}
.cart-remove{background:none;border:none;color:var(--gray-500);cursor:pointer;font-size:18px;padding:4px 8px;transition:color .2s}
.cart-remove:hover{color:#e53e3e}
.cart-footer{padding:16px 20px;border-top:1px solid var(--gray-200);background:var(--gray-50)}
.cart-total{text-align:center;font-weight:600;color:var(--navy);margin-bottom:12px}
.cart-submit{display:block;text-align:center;width:100%;margin-bottom:8px}
.cart-clear{display:block;width:100%;padding:8px;border:1px solid var(--gray-200);background:var(--white);border-radius:var(--radius);cursor:pointer;color:var(--gray-500);font-size:13px;transition:border-color .2s}
.cart-clear:hover{border-color:var(--orange);color:var(--orange)}
@media(max-width:768px){.hero h1{font-size:1.6rem}.sub-hero h1{font-size:1.3rem}.product-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.brand-grid,.category-grid{grid-template-columns:repeat(2,1fr)}.footer-inner{grid-template-columns:1fr}.header-inner{flex-wrap:wrap}.main-nav{order:3;width:100%;overflow-x:auto}.add-cart-btn{opacity:1}.cart-panel{width:100vw;max-width:100vw}}