:root{--earth-900:#241a10;--earth-800:#3a2a1c;--earth-700:#5a3a1e;--terra:#c2622d;--terra-2:#a24e20;--gold:#b0832b;--gold-2:#e8a24c;--cream:#f4efe8;--cream-2:#eae2d5;--ink:#2a2018;--muted:#6e6151;--line:#ded3c2;--red:#8e3b2c;--shadow:0 18px 50px rgba(58,42,28,.20);--shadow-sm:0 10px 30px rgba(58,42,28,.14);--radius:16px;--maxw:1240px}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}
body{font-family:'Be Vietnam Pro',system-ui,sans-serif;color:var(--ink);background:var(--cream);line-height:1.6}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.18;color:var(--earth-900)}
.btn{display:inline-flex;align-items:center;gap:8px;border:0;cursor:pointer;font-weight:700;font-size:14px;padding:11px 20px;border-radius:999px;transition:.25s;font-family:inherit}
.btn--primary{background:linear-gradient(135deg,var(--terra),var(--terra-2));color:#fff;box-shadow:0 10px 22px rgba(185,119,47,.38)}
.btn--primary:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(185,119,47,.5)}
.btn--ghost{background:transparent;color:var(--earth-800);border:2px solid var(--terra)}
.btn--ghost:hover{background:var(--terra);color:#fff}
.topbar{background:linear-gradient(90deg,var(--earth-900),var(--earth-700));color:var(--gold-2);font-size:13.5px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:9px 22px}
.tb-promo{display:flex;align-items:center;gap:8px;font-weight:600}
.tb-promo .dot{width:8px;height:8px;border-radius:50%;background:var(--gold);animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(231,196,119,.7)}70%{box-shadow:0 0 0 9px rgba(231,196,119,0)}100%{box-shadow:0 0 0 0 rgba(231,196,119,0)}}
.tb-right{display:flex;gap:18px}.tb-right a{opacity:.9}@media(max-width:820px){.tb-right{display:none}}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,253,249,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:13px 22px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:25px;letter-spacing:1px;color:var(--earth-900)}
.brand .mark{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;color:#fff;font-size:21px;background:linear-gradient(135deg,var(--terra),var(--gold));box-shadow:0 8px 18px rgba(185,119,47,.4)}
.brand small{display:block;font-size:10.5px;font-weight:600;letter-spacing:2px;color:var(--terra)}
.nav-links{display:flex;gap:4px;list-style:none}
.nav-links a{padding:9px 13px;font-weight:600;font-size:15px;border-radius:10px;color:var(--earth-800)}
.nav-links a:hover{background:var(--cream-2);color:var(--terra)}
.nav-phone{display:flex;align-items:center;gap:7px;font-weight:800;color:var(--terra);font-size:15px}
@media(max-width:980px){.nav-links{display:none}}
.cat-hero{background:radial-gradient(900px 360px at 80% -20%,rgba(231,196,119,.4),transparent),linear-gradient(180deg,var(--cream),var(--cream-2));padding:26px 0 22px;border-bottom:1px solid var(--line)}
.bc{font-size:13.5px;color:var(--muted);margin-bottom:8px}.bc a:hover{color:var(--terra)}
.cat-hero h1{font-size:clamp(26px,3.4vw,38px);font-weight:800}
.cat-hero .sub{color:var(--muted);margin-top:6px}
.cat-hero .count{display:inline-block;margin-top:10px;background:#fff;color:var(--terra);font-weight:700;font-size:13px;padding:6px 14px;border-radius:999px;box-shadow:var(--shadow-sm)}
.chips{display:flex;gap:9px;overflow-x:auto;padding:16px 0 4px;scrollbar-width:thin}
.chip{flex:0 0 auto;padding:9px 16px;border-radius:999px;background:#fff;border:1.5px solid var(--line);font-weight:600;font-size:13.5px;color:var(--earth-800);transition:.2s;white-space:nowrap}
.chip:hover{border-color:var(--terra);color:var(--terra)}
.chip.active{background:linear-gradient(135deg,var(--terra),var(--terra-2));color:#fff;border-color:transparent;box-shadow:0 8px 18px rgba(185,119,47,.35)}
.wrap{padding:26px 0 60px}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:1080px){.grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.grid{grid-template-columns:1fr 1fr;gap:14px}}
.card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:.3s;border:1px solid var(--line);display:flex;flex-direction:column}
.card:hover{transform:translateY(-7px);box-shadow:var(--shadow)}
.thumb{position:relative;overflow:hidden;aspect-ratio:1/1;background:radial-gradient(circle at 50% 36%,#ffffff,#f6efe2);border-bottom:1px solid var(--line)}
.thumb img{width:100%;height:100%;object-fit:contain;padding:10px;transition:transform .55s ease}
.card:hover .thumb img{transform:scale(1.06)}
.per{position:absolute;top:10px;left:10px;background:var(--red);color:#fff;font-size:12px;font-weight:700;padding:5px 10px;border-radius:999px}
.body{padding:14px;display:flex;flex-direction:column;flex:1}
.nm{font-size:14.5px;font-weight:600;color:var(--earth-900);min-height:42px;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pr{display:flex;align-items:baseline;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.pr .new{font-size:18px;font-weight:800;color:var(--red)}
.pr .old{font-size:13px;color:#aa9a82;text-decoration:line-through}
.card .btn{margin-top:auto;justify-content:center}
.footer{background:var(--earth-900);color:#d9c8ac;padding:40px 0 22px;margin-top:10px}
.footer .container{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
.footer .brand{color:#fff}.footer p{font-size:13.5px;opacity:.8}
.floats{position:fixed;right:18px;bottom:18px;z-index:60;display:flex;flex-direction:column;gap:12px}
.fab{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:22px;box-shadow:var(--shadow);transition:.25s;position:relative}
.fab:hover{transform:scale(1.1)}.fab.phone{background:#2ecc71}.fab.zalo{background:#0068ff;font-size:14px;font-weight:800}.fab.top{background:var(--earth-700)}
.fab.phone::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid #2ecc71;animation:ring 1.5s infinite}
@keyframes ring{0%{transform:scale(1);opacity:1}100%{transform:scale(1.7);opacity:0}}