*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Arial,Helvetica,sans-serif;background:#fdfbf5;color:#222;font-size:15px;line-height:1.55}
a{color:#111;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 14px}
.topbar{background:#111;color:#ddd;font-size:13px}
.topbar-in{display:flex;gap:10px;align-items:center;justify-content:flex-end;padding:7px 14px;flex-wrap:wrap}
.topbar a{color:#ddd}.topbar .demo{color:#c9a45c;font-weight:700}
.site-header{background:#fff;border-bottom:1px solid #eee}
.head-in{display:flex;gap:18px;align-items:center;padding:12px 14px;flex-wrap:wrap}
.logo img{height:56px;width:auto}
.search{flex:1;display:flex;min-width:200px}
.search input{flex:1;padding:10px;border:1px solid #ccc;border-right:0;border-radius:4px 0 0 4px}
.search button{background:#111;color:#c9a45c;border:0;padding:10px 18px;border-radius:0 4px 4px 0;cursor:pointer;font-weight:700}
.cart-btn{position:relative;background:#111;color:#fff;padding:10px 16px;border-radius:4px;font-weight:700}
.cart-badge{position:absolute;top:-7px;right:5px;background:#c9a45c;color:#111;border-radius:50%;min-width:20px;height:20px;line-height:20px;text-align:center;font-size:12px;padding:0 4px}
nav.main{background:#111}
.menu-bar{display:flex;align-items:stretch;overflow-x:auto}
.menu-bar .nl{color:#fff;padding:13px 9px;white-space:nowrap;font-weight:700;font-size:13px}
.menu-bar .nl:hover{color:#c9a45c}
.cat-btn{position:relative;background:#c9a45c;color:#111;padding:13px 12px;font-weight:700;font-size:13px;white-space:nowrap;cursor:pointer}
@media(min-width:821px) and (max-width:1150px){
  .menu-bar .nl{font-size:12px;padding:13px 6px}
  .cat-btn{font-size:12px;padding:13px 8px}
}
.catdrop{display:none;position:absolute;left:0;top:100%;background:#fff;min-width:280px;z-index:50;box-shadow:0 8px 20px rgba(0,0,0,.25);border:1px solid #eee}
.cat-btn:hover .catdrop{display:block}
.catdrop a{display:block;padding:10px 14px;border-bottom:1px solid #f0f0f0;color:#222}
.catdrop a:hover{background:#fdf6e3;color:#111}
.page{padding:18px 14px 40px}
h1{font-size:24px;margin:10px 0 16px}h2{font-size:20px;margin:22px 0 12px}
.hero{position:relative;border-radius:8px;overflow:hidden;background:#fdfbf5;min-height:340px}
.hero .slide{display:none}.hero .slide.on{display:block}
.hero img{width:100%;height:340px;object-fit:contain;background:#fdfbf5}
.hero-cap{position:absolute;left:24px;bottom:24px;background:rgba(0,0,0,.65);color:#fff;padding:16px 20px;border-radius:6px;max-width:520px}
.hero-cap h2{color:#c9a45c;margin:0 0 6px}
.btn{display:inline-block;background:#111;color:#c9a45c;padding:10px 18px;border-radius:4px;font-weight:700;border:0;cursor:pointer}
.btn.gold{background:#c9a45c;color:#111}
.btn.red{background:#c62828;color:#fff}
.commit{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:18px 0}
.commit div{background:#fff;border:1px solid #eee;border-radius:8px;padding:14px;text-align:center}
.commit img{width:42px;height:42px;object-fit:contain;margin:0 auto 8px}
.commit b{display:block;font-size:14px}
.commit span{font-size:13px;color:#666}
.hotsale{background:linear-gradient(135deg,#d32f2f,#b71c1c);border-radius:10px;padding:16px;color:#fff;margin:20px 0}
.hotsale-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.hotsale-head h2{margin:0;color:#fff}
.countdown{font-weight:700;background:rgba(0,0,0,.3);padding:8px 12px;border-radius:6px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:14px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.card{background:#fff;border:1px solid #eee;border-radius:8px;overflow:hidden;min-width:0;position:relative}
.card .thumb{height:190px;display:flex;align-items:center;justify-content:center;background:#fdfdfb;overflow:hidden}
.card .thumb img{max-height:190px;width:auto;object-fit:contain}
.badge{position:absolute;top:8px;left:8px;background:#d32f2f;color:#fff;font-size:12px;font-weight:700;padding:3px 7px;border-radius:4px;z-index:2}
.card .info{padding:12px}
.card .info h3{font-size:15px;min-height:40px}
.price-sale{color:#d32f2f;font-weight:700;font-size:17px}
.price-list{color:#999;text-decoration:line-through;font-size:13px;margin-left:6px}
.soldbar{height:8px;background:#ffe0b2;border-radius:4px;overflow:hidden;margin:8px 0 4px}
.soldbar i{display:block;height:100%;background:#ef6c00}
.soldtxt{font-size:12px;color:#e65100}
.chips{font-size:12px;color:#555;margin-top:6px}
.sidebar{display:grid;grid-template-columns:230px 1fr;gap:18px;align-items:start}
.sidecat{background:#fff;border:1px solid #eee;border-radius:8px;overflow:hidden}
.sidecat h3{background:#111;color:#c9a45c;padding:12px 14px;font-size:15px}
.sidecat a{display:block;padding:10px 14px;border-bottom:1px solid #f2f2f2}
.sidecat a:hover{background:#fdf6e3}
.sidecat a.on{color:#b8860b;font-weight:700}
.filters{background:#fff;border:1px solid #eee;border-radius:8px;padding:12px;margin-bottom:14px;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.filters select,.filters input[type=text]{padding:8px;border:1px solid #ccc;border-radius:4px}
.pager{display:flex;gap:6px;align-items:center;justify-content:center;margin:20px 0;flex-wrap:wrap}
.pager a,.pager b{padding:7px 12px;border:1px solid #ccc;border-radius:4px;background:#fff}
.pager b{background:#111;color:#c9a45c;border-color:#111}
.empty{background:#fff;border:1px dashed #ccc;border-radius:8px;padding:30px;text-align:center;color:#666}
.detail{display:grid;grid-template-columns:1fr 1fr;gap:22px;background:#fff;border:1px solid #eee;border-radius:8px;padding:18px}
.detail .big{height:360px;display:flex;align-items:center;justify-content:center;background:#fdfdfb;border:1px solid #f0f0f0;border-radius:6px}
.detail .big img{max-height:350px;object-fit:contain}
.thumbs{display:flex;gap:8px;margin-top:10px}
.thumbs img{width:80px;height:80px;object-fit:contain;border:2px solid #eee;border-radius:6px;cursor:pointer;background:#fdfdfb}
.thumbs img.on{border-color:#c9a45c}
.placeholder{border:1px dashed #bbb;color:#888;padding:40px 16px;text-align:center;border-radius:6px;background:#fafafa}
table{width:100%;border-collapse:collapse;background:#fff}
table th,table td{border:1px solid #eee;padding:9px 10px;text-align:left;vertical-align:top}
table th{background:#111;color:#fff}
form.f label{display:block;margin:12px 0 4px;font-weight:700}
form.f input,form.f select,form.f textarea{width:100%;padding:10px;border:1px solid #ccc;border-radius:4px}
form.f input[type=file]{padding:4px}
.alert{background:#e8f5e9;border:1px solid #a5d6a7;padding:12px;border-radius:6px;margin:12px 0}
.error{background:#fdecea;border:1px solid #ef9a9a;padding:12px;border-radius:6px;margin:12px 0}
.news-card{background:#fff;border:1px solid #eee;border-radius:8px;padding:16px;margin-bottom:14px;overflow:hidden}
.news-card img.news-thumb{width:100%;height:200px;object-fit:cover;border-radius:8px;margin-bottom:10px}
.news-hero{width:100%;border-radius:8px;margin-bottom:12px}
.fab{position:fixed;right:16px;z-index:99;width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;box-shadow:0 4px 14px rgba(0,0,0,.3);animation:fabRing 2.4s infinite}
.fab-zalo{bottom:84px;background:#c9a45c;color:#111}
.fab-call{bottom:16px;background:#111;color:#c9a45c;border:2px solid #c9a45c;animation-delay:.5s}
@keyframes fabRing{0%,100%{transform:rotate(0)}10%{transform:rotate(8deg)}20%{transform:rotate(-8deg)}30%{transform:rotate(5deg)}40%{transform:rotate(0)}}
.catgrid{display:none}
.site-footer{background:#111;color:#ddd;margin-top:30px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:20px;padding:28px 14px}
.foot-grid a{display:block;color:#ddd;padding:3px 0}
.foot-grid h4{color:#c9a45c;margin-bottom:10px}
.foot-logo{height:52px;width:auto;margin-bottom:10px}
.copy{text-align:center;padding:12px;border-top:1px solid #333;font-size:13px}
@media(max-width:820px){
  nav.main{display:none}
  .commit{grid-template-columns:repeat(2,1fr)}
  .grid4{grid-template-columns:repeat(2,1fr)}
  .sidebar{grid-template-columns:1fr}
  .detail{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero img{height:210px}
  .hero{min-height:210px}
  .catgrid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:14px 0}
  .catgrid a{background:#fff;border:1px solid #eee;border-radius:8px;padding:8px 2px;text-align:center;font-size:11px}
  .catgrid img{width:34px;height:34px;object-fit:contain;margin:0 auto 4px}
  .logo img{height:44px}
}
@media (prefers-reduced-motion: reduce){.fab{animation:none}}