:root{
  --ink:#14213d;--text:#1f2329;--mute:#6b7280;--line:#e6e7eb;--soft:#f5f5f3;--bg:#fff;
  --sale:#c8102e;--acc:#14213d;--ok:#1b7f3b;--r:4px;
  --font:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 var(--font)}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.wrap{max-width:1280px;margin:0 auto;padding:0 16px}
[hidden]{display:none!important}

/* Thanh trên cùng + header */
.topbar{background:var(--ink);color:#fff;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;padding-top:7px;padding-bottom:7px}
.topbar a{font-weight:600}
.hdr{position:sticky;top:0;z-index:30;background:#fff;border-bottom:1px solid var(--line)}
.hdr-in{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:flex;flex-direction:column;line-height:1.05;color:var(--ink);flex-shrink:0}
.logo b{font-size:19px;letter-spacing:.06em;font-weight:700}
.logo small{font-size:10.5px;letter-spacing:.42em;color:var(--mute);margin-top:3px}
.nav{display:flex;gap:4px;height:100%;flex:1}
.nav>.ni{position:relative;display:flex;align-items:center}
.nav>.ni>a{display:flex;align-items:center;height:100%;padding:0 12px;font-size:13.5px;font-weight:600;letter-spacing:.05em;text-transform:uppercase}
.nav>.ni>a:hover,.nav>.ni>a.on{color:var(--sale)}
.nav .ni.hot>a{color:var(--sale)}
.mega{position:absolute;top:100%;left:0;min-width:240px;background:#fff;border:1px solid var(--line);box-shadow:0 12px 30px rgba(0,0,0,.08);padding:10px 0;opacity:0;visibility:hidden;transform:translateY(6px);transition:.15s}
.ni:hover .mega,.ni:focus-within .mega{opacity:1;visibility:visible;transform:none}
.mega a{display:block;padding:8px 20px;font-size:14px}
.mega a:hover{background:var(--soft);color:var(--sale)}
.hdr-act{display:flex;align-items:center;gap:8px;margin-left:auto}
.search{display:flex;align-items:center;border:1px solid var(--line);border-radius:999px;padding:0 4px 0 14px;height:38px;width:240px}
.search input{border:0;outline:0;flex:1;min-width:0;background:transparent;font-size:14px}
.search button{border:0;background:none;padding:6px;display:flex}
.search svg{width:18px;height:18px}
.icon-btn{position:relative;display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:0;background:none;border-radius:50%}
.icon-btn:hover{background:var(--soft)}
.badge{position:absolute;top:2px;right:0;min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:var(--sale);color:#fff;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center}
.only-sm{display:none}

/* Ngăn kéo menu điện thoại */
.drawer{position:fixed;inset:0;z-index:50;background:rgba(0,0,0,.4)}
.drawer-panel{position:absolute;left:0;top:0;bottom:0;width:min(320px,86vw);background:#fff;overflow:auto;padding:8px 0 24px}
.drawer-hd{display:flex;justify-content:space-between;align-items:center;padding:4px 8px 4px 20px;border-bottom:1px solid var(--line)}
.drawer details{border-bottom:1px solid var(--line)}
.drawer summary,.drawer .dl{display:block;padding:14px 20px;font-weight:600;text-transform:uppercase;font-size:14px;letter-spacing:.04em;list-style:none;border-bottom:1px solid var(--line)}
.drawer details summary{border:0}
.drawer summary::after{content:"+";float:right;font-weight:400}
.drawer details[open] summary::after{content:"–"}
.drawer details a{display:block;padding:10px 32px;font-size:14px;color:var(--mute)}

/* Chung */
.loading{height:50vh;display:flex;align-items:center;justify-content:center}
.loading::after{content:"";width:34px;height:34px;border:3px solid var(--line);border-top-color:var(--ink);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 26px;border:1px solid var(--ink);background:var(--ink);color:#fff;font-weight:600;font-size:14px;letter-spacing:.06em;text-transform:uppercase;border-radius:var(--r)}
.btn:hover{opacity:.9}
.btn.ghost{background:#fff;color:var(--ink)}
.btn.sale{background:var(--sale);border-color:var(--sale)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.sec{margin:44px 0}
.sec-hd{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.sec-hd h2{margin:0;font-size:24px;letter-spacing:.04em;text-transform:uppercase;color:var(--ink)}
.more{font-size:14px;font-weight:600;border-bottom:1px solid currentColor}
.crumb{font-size:13px;color:var(--mute);padding:16px 0}
.crumb a:hover{color:var(--ink)}
.crumb span{margin:0 6px}
.empty{text-align:center;padding:60px 16px;color:var(--mute)}
.empty .btn{margin-top:16px}
.price{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.price b{color:var(--sale);font-weight:700}
.price s{color:var(--mute);font-size:.88em}

/* Banner trang chủ */
.hero{position:relative;margin:20px 0 0;overflow:hidden;background:var(--soft);border-radius:var(--r)}
.slides{display:flex;transition:transform .6s ease}
.slide{flex:0 0 100%;display:grid;grid-template-columns:1fr 1.15fr;align-items:center;min-height:440px}
.slide-txt{padding:40px 56px}
.slide-txt small{display:inline-block;font-size:12.5px;letter-spacing:.3em;text-transform:uppercase;color:var(--sale);font-weight:600}
.slide-txt h1,.slide-txt h2{font-size:clamp(28px,4vw,46px);line-height:1.15;margin:12px 0 14px;color:var(--ink);font-weight:700}
.slide-txt p{color:var(--mute);margin:0 0 26px;max-width:420px}
.slide-img{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:24px 24px 24px 0;height:100%}
.slide-img img{width:100%;height:100%;max-height:392px;object-fit:cover;border-radius:var(--r);background:#eee}
.slide-img img:first-child{grid-row:span 2}
.slide-img.two{grid-template-rows:1fr 1fr}
.dots{position:absolute;left:56px;bottom:22px;display:flex;gap:8px}
.dots button{width:26px;height:3px;border:0;background:#c9c9c9;padding:0}
.dots button.on{background:var(--ink)}

/* Ô danh mục */
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.tile{position:relative;aspect-ratio:3/4;overflow:hidden;border-radius:var(--r);background:var(--soft)}
.tile img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.tile:hover img{transform:scale(1.05)}
.tile span{position:absolute;left:0;right:0;bottom:0;padding:40px 18px 16px;background:linear-gradient(transparent,rgba(0,0,0,.6));color:#fff;font-weight:700;font-size:17px;letter-spacing:.05em;text-transform:uppercase}

.tabs{display:flex;gap:6px;flex-wrap:wrap}
.tabs button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 18px;font-size:14px;font-weight:500}
.tabs button.on{background:var(--ink);border-color:var(--ink);color:#fff}
.brands{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.brands a{display:flex;align-items:center;justify-content:center;height:84px;border:1px solid var(--line);border-radius:var(--r);font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);font-size:15px}
.brands a:hover{border-color:var(--ink)}
.perks{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:26px 0}
.perk{display:flex;gap:12px;align-items:flex-start}
.perk svg{width:30px;height:30px;flex-shrink:0;color:var(--ink)}
.perk b{display:block;font-size:14.5px;color:var(--ink)}
.perk span{font-size:13px;color:var(--mute)}

/* Thẻ sản phẩm */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px 16px}
.card{display:flex;flex-direction:column;gap:8px}
.card .ph{position:relative;aspect-ratio:1;overflow:hidden;background:var(--soft);border-radius:var(--r)}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .ph img{transform:scale(1.04)}
.card .tag{position:absolute;top:10px;left:10px;display:flex;flex-direction:column;gap:5px;align-items:flex-start}
.card .tag i{font-style:normal;font-size:12px;font-weight:700;padding:3px 8px;border-radius:2px;background:var(--sale);color:#fff}
.card .tag i.x{background:var(--ink)}
.card .buy{position:absolute;left:10px;right:10px;bottom:10px;height:40px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.95);font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;opacity:0;transform:translateY(8px);transition:.2s}
.card:hover .buy{opacity:1;transform:none}
.card .nm{font-size:14px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:39px}
.card .nm:hover{color:var(--sale)}
.card .price{font-size:15px}
.card .sz{font-size:12px;color:var(--mute)}

/* Trang danh mục */
.cat-hd{display:flex;align-items:end;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.cat-hd h1{margin:0;font-size:26px;text-transform:uppercase;letter-spacing:.04em;color:var(--ink)}
.cat-layout{display:grid;grid-template-columns:240px 1fr;gap:32px;align-items:start}
.filters{position:sticky;top:88px}
.filters .fhd{display:none}
.fg{border-bottom:1px solid var(--line);padding:16px 0}
.fg:first-of-type{padding-top:0}
.fg h4{margin:0 0 10px;font-size:13.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink)}
.fg a.fl{display:block;padding:4px 0;font-size:14px;color:var(--mute)}
.fg a.fl.on,.fg a.fl:hover{color:var(--ink);font-weight:600}
.chk{display:flex;align-items:center;gap:9px;padding:4px 0;font-size:14px;cursor:pointer}
.chk input{width:16px;height:16px;accent-color:var(--ink)}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{min-width:44px;height:34px;padding:0 10px;border:1px solid var(--line);background:#fff;border-radius:2px;font-size:13px}
.chip.on{border-color:var(--ink);background:var(--ink);color:#fff}
.chip:disabled{color:#bbb;background:repeating-linear-gradient(135deg,#fff 0 6px,#f3f3f3 6px 7px);cursor:not-allowed}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:18px;flex-wrap:wrap;font-size:14px;color:var(--mute)}
.toolbar select{height:38px;border:1px solid var(--line);border-radius:var(--r);padding:0 10px;background:#fff}
.fbtn{display:none}
.pager{display:flex;justify-content:center;gap:6px;margin:36px 0 10px;flex-wrap:wrap}
.pager a,.pager span{min-width:40px;height:40px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--r);font-size:14px;padding:0 8px}
.pager a.on{background:var(--ink);border-color:var(--ink);color:#fff}
.pager span{border:0}
.clear{font-size:13px;color:var(--sale);border:0;background:none;padding:0}

/* Trang sản phẩm */
.pd{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:start}
.gal{display:grid;grid-template-columns:76px 1fr;gap:12px;position:sticky;top:88px}
.thumbs{display:flex;flex-direction:column;gap:8px;max-height:600px;overflow:auto;scrollbar-width:none}
.thumbs button{border:1px solid transparent;padding:0;background:var(--soft);border-radius:2px;aspect-ratio:1}
.thumbs button.on{border-color:var(--ink)}
.thumbs img{width:100%;height:100%;object-fit:cover}
.main-img{position:relative;aspect-ratio:1;background:var(--soft);border-radius:var(--r);overflow:hidden}
.main-img img{width:100%;height:100%;object-fit:cover}
.main-img .nav-b{position:absolute;top:50%;transform:translateY(-50%);width:40px;height:40px;border:0;border-radius:50%;background:rgba(255,255,255,.9);display:flex;align-items:center;justify-content:center}
.main-img .prev{left:10px}.main-img .next{right:10px}
.pd h1{font-size:24px;line-height:1.35;margin:0 0 8px;color:var(--ink);font-weight:600}
.pd .meta{font-size:13px;color:var(--mute);display:flex;gap:16px;flex-wrap:wrap}
.pd .meta .ok{color:var(--ok);font-weight:600}
.pd .price{font-size:26px;margin:18px 0 6px}
.pd .price i{font-style:normal;font-size:13px;font-weight:700;background:var(--sale);color:#fff;padding:2px 8px;border-radius:2px;align-self:center}
.opt{margin:20px 0}
.opt-hd{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;font-size:14px}
.opt-hd b{font-weight:600}
.opt-hd button{border:0;background:none;padding:0;font-size:13px;text-decoration:underline;color:var(--mute)}
.qty{display:inline-flex;border:1px solid var(--line);border-radius:var(--r);height:46px}
.qty button{width:42px;border:0;background:none;font-size:18px}
.qty input{width:48px;border:0;text-align:center;outline:0;-moz-appearance:textfield}
.qty input::-webkit-inner-spin-button{display:none}
.buy-row{display:flex;gap:10px;margin:22px 0 10px;flex-wrap:wrap}
.buy-row .btn{flex:1;min-width:150px}
.help{font-size:14px;color:var(--mute);margin:10px 0 22px}
.help a{color:var(--ink);font-weight:600}
.assure{display:grid;gap:10px;padding:18px;background:var(--soft);border-radius:var(--r);font-size:14px}
.assure div{display:flex;gap:10px;align-items:center}
.assure svg{width:20px;height:20px;color:var(--ink);flex-shrink:0}
.desc{margin-top:48px;border-top:1px solid var(--line);padding-top:28px}
.desc h2{font-size:18px;text-transform:uppercase;letter-spacing:.05em;color:var(--ink);margin:0 0 14px}
.desc .txt{white-space:pre-line;font-size:14.5px;line-height:1.75;color:#3a3f47;max-height:340px;overflow:hidden;position:relative}
.desc .txt.open{max-height:none}
.desc .txt:not(.open)::after{content:"";position:absolute;left:0;right:0;bottom:0;height:80px;background:linear-gradient(transparent,#fff)}
.desc .toggle{margin-top:12px}
.err{color:var(--sale);font-size:14px;min-height:20px;margin:6px 0 0}

/* Giỏ hàng + đặt hàng */
.page-h{font-size:26px;text-transform:uppercase;letter-spacing:.04em;color:var(--ink);margin:4px 0 24px}
.cart-layout{display:grid;grid-template-columns:1fr 360px;gap:36px;align-items:start}
.ci{display:grid;grid-template-columns:96px 1fr auto;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);align-items:start}
.ci:first-child{border-top:1px solid var(--line)}
.ci img{width:96px;height:96px;object-fit:cover;border-radius:var(--r);background:var(--soft)}
.ci .nm{font-size:14.5px;font-weight:500;line-height:1.4}
.ci .v{font-size:13px;color:var(--mute);margin:4px 0 10px}
.ci .qty{height:38px}
.ci .qty button{width:34px}
.ci .qty input{width:38px}
.ci .rm{border:0;background:none;color:var(--mute);font-size:13px;text-decoration:underline;padding:0;margin-left:12px}
.ci .tot{font-weight:700;text-align:right;white-space:nowrap}
.sum{border:1px solid var(--line);border-radius:var(--r);padding:22px;position:sticky;top:88px}
.sum h3{margin:0 0 16px;font-size:16px;text-transform:uppercase;letter-spacing:.05em}
.sum .row{display:flex;justify-content:space-between;font-size:14px;margin:8px 0;gap:12px}
.sum .row.big{font-size:18px;font-weight:700;border-top:1px solid var(--line);padding-top:14px;margin-top:14px}
.sum .row.big b{color:var(--sale)}
.sum .btn{width:100%;margin-top:18px}
.sum .note{font-size:12.5px;color:var(--mute);margin:12px 0 0}
.sum .mini{display:grid;grid-template-columns:56px 1fr auto;gap:10px;font-size:13px;margin-bottom:12px;align-items:center}
.sum .mini img{width:56px;height:56px;object-fit:cover;border-radius:var(--r)}
.form{display:grid;gap:14px}
.form label{display:grid;gap:6px;font-size:14px;font-weight:500}
.form input,.form textarea{border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;font-size:15px;outline:0;width:100%}
.form input:focus,.form textarea:focus{border-color:var(--ink)}
.form .hp{position:absolute;left:-9999px}
.pay{border:1px solid var(--ink);border-radius:var(--r);padding:14px 16px;font-size:14px;display:flex;gap:10px;align-items:center}
.ok-box{text-align:center;max-width:560px;margin:40px auto 60px}
.ok-box .tick{width:64px;height:64px;border-radius:50%;background:#e8f5ec;color:var(--ok);display:flex;align-items:center;justify-content:center;margin:0 auto 18px}
.ok-box .tick svg{width:34px;height:34px;stroke-width:2.4}
.ok-box h1{color:var(--ink);font-size:24px;margin:0 0 10px}
.ok-box .code{display:inline-block;font-weight:700;font-size:20px;letter-spacing:.08em;background:var(--soft);padding:8px 18px;border-radius:var(--r);margin:10px 0}

/* Chân trang */
.ftr{background:#0f1a30;color:#c8ccd6;margin-top:64px;font-size:14px}
.ftr-grid{display:grid;grid-template-columns:1.4fr 1fr 1.3fr 1fr;gap:32px;padding-top:48px;padding-bottom:36px}
.ftr h4{color:#fff;font-size:14px;text-transform:uppercase;letter-spacing:.08em;margin:0 0 14px}
.ftr ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.ftr a:hover{color:#fff}
.ftr p{margin:12px 0 0}
.ftr p a{color:#fff;font-weight:600}
.logo-ft{color:#fff}.logo-ft small{color:#9aa1b2}
.ftr-base{border-top:1px solid #243150;padding-top:16px;padding-bottom:18px;font-size:13px;color:#8d94a5}

/* Nút nổi + thông báo + hộp thoại */
.float{position:fixed;right:16px;bottom:18px;z-index:40;display:flex;flex-direction:column;gap:10px}
.float a{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 6px 18px rgba(0,0,0,.18);font-weight:700;font-size:13px}
.fl-zalo{background:#0068ff}.fl-call{background:var(--sale)}
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:12px 20px;border-radius:var(--r);font-size:14px;opacity:0;pointer-events:none;transition:.25s;z-index:60;max-width:calc(100% - 32px)}
.toast.on{opacity:1;transform:translate(-50%,0)}
.toast a{text-decoration:underline;margin-left:10px;font-weight:600}
dialog{border:0;border-radius:var(--r);padding:16px;max-width:min(760px,94vw);max-height:90vh}
dialog::backdrop{background:rgba(0,0,0,.5)}
.modal-x{position:absolute;right:6px;top:6px;background:#fff}
.callbox{text-align:center;padding:24px 28px 10px;min-width:min(360px,80vw)}
.callbox p{margin:0 0 12px;color:var(--mute);font-size:14px}
.callbox .num{font-size:34px;font-weight:700;letter-spacing:.04em;color:var(--sale);margin-bottom:20px;user-select:all}
.callbox .acts{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}

@media (max-width:1100px){
  .nav>.ni>a{padding:0 8px;font-size:12.5px}
  .search{width:180px}
}
@media (max-width:960px){
  .only-sm{display:inline-flex}
  .nav,.hide-sm{display:none}
  .hdr-in{gap:8px;height:60px}
  .logo{margin-right:auto}
  .logo b{font-size:16px}
  .search{position:absolute;left:16px;right:16px;top:64px;width:auto;background:#fff;display:none}
  .search.open{display:flex}
  .hdr-act::before{content:""}
  .grid{grid-template-columns:repeat(3,1fr)}
  .cat-layout{grid-template-columns:1fr}
  .filters{position:fixed;inset:0;z-index:55;background:#fff;overflow:auto;padding:16px;display:none}
  .filters.open{display:block}
  .filters .fhd{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
  .fbtn{display:inline-flex;height:38px;align-items:center;gap:6px;border:1px solid var(--line);background:#fff;border-radius:var(--r);padding:0 14px}
  .pd{grid-template-columns:1fr;gap:24px}
  .gal{position:static;grid-template-columns:1fr}
  .thumbs{flex-direction:row;order:2;max-height:none}
  .thumbs button{width:64px;flex-shrink:0}
  .cart-layout{grid-template-columns:1fr}
  .sum{position:static}
  .slide{grid-template-columns:1fr;min-height:0}
  .slide-txt{padding:28px 24px 8px}
  .slide-img{padding:12px 24px 56px}
  .slide-img img{max-height:260px}
  .dots{left:24px}
  .brands{grid-template-columns:repeat(3,1fr)}
  .perks{grid-template-columns:repeat(2,1fr)}
  .ftr-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:600px){
  .grid{grid-template-columns:repeat(2,1fr);gap:20px 10px}
  .tiles{grid-template-columns:repeat(2,1fr);gap:10px}
  .card .buy{display:none}
  .sec{margin:32px 0}
  .sec-hd h2{font-size:19px}
  .ci{grid-template-columns:76px 1fr;gap:12px}
  .ci img{width:76px;height:76px}
  .ci .tot{grid-column:2;text-align:left}
  .ftr-grid{grid-template-columns:1fr}
  .slide-img img{max-height:180px}
  .pd h1{font-size:20px}
}

/* build 1794240008 */