:root{
  --blue:#1e6fe0; --blue-d:#1556b8; --blue-dd:#0f3f8c; --blue-l:#e8f1ff; --blue-ll:#f3f8ff;
  --yellow:#ffd400; --red:#e3262b; --orange:#ff7a00; --green:#12a150;
  --text:#1f2937; --muted:#6b7280; --line:#e5e7eb; --bg:#eef3fa; --card:#fff;
  --r:12px; --shadow:0 2px 10px rgba(16,56,120,.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:"Be Vietnam Pro",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.45}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
img{max-width:100%}
.wrap{max-width:1200px;margin:0 auto;padding:0 16px}

/* top strip */
.strip{background:var(--blue-dd);color:#cfe0ff;font-size:12.5px}
.strip .wrap{display:flex;justify-content:space-between;gap:12px;padding-top:6px;padding-bottom:6px;flex-wrap:wrap}
.strip b{color:var(--yellow)}

/* header */
header.main{background:#2a83e9;position:sticky;top:0;z-index:50;box-shadow:0 1px 6px rgba(0,0,0,.12)}
header.main .wrap{display:flex;align-items:center;gap:14px;height:64px}
.logo{display:flex;align-items:center;gap:8px;color:#fff;flex-shrink:0;cursor:pointer}
.logo .name{line-height:1;white-space:nowrap}
.logo .name small{display:block;font-size:11px;font-weight:600;letter-spacing:.12em;opacity:.9;text-transform:uppercase}
.logo .name strong{font-size:24px;font-weight:900;font-style:italic;letter-spacing:-.02em}
.logo .name strong em{font-weight:500;font-style:italic}
.logo .name strong span{color:var(--yellow)}
.hlink{display:flex;align-items:center;gap:7px;color:#fff;background:none;border:0;padding:8px 6px;font-size:14px;font-weight:500;white-space:nowrap;position:relative;border-radius:8px;cursor:pointer;font-family:inherit}
.hlink:hover{background:rgba(255,255,255,.14)}
.hlink svg{width:22px;height:22px;flex-shrink:0}
.hlink .dot{position:absolute;left:21px;top:6px;width:8px;height:8px;border-radius:50%;background:#ff3b30;box-shadow:0 0 0 2px #2a83e9}
.search{flex:1;max-width:340px;position:relative;min-width:0}
.search input{width:100%;height:40px;border:0;border-radius:20px;padding:0 16px 0 42px;font-size:14px;font-family:inherit;outline:none;color:#1a1a1a}
.search input::placeholder{color:#2a83e9;opacity:.85}
.search input:focus{box-shadow:0 0 0 2px var(--yellow)}
.search button{position:absolute;left:6px;top:5px;height:30px;width:32px;border:0;background:none;color:#555;display:grid;place-items:center;padding:0}
.search button svg{width:19px;height:19px}
.suggest{position:absolute;left:0;right:0;top:46px;min-width:340px;background:#fff;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.18);overflow:hidden;display:none;z-index:60}
.suggest a{display:flex;gap:10px;align-items:center;padding:8px 14px;border-bottom:1px solid var(--line)}
.suggest a:hover{background:var(--blue-ll)}
.suggest .em{font-size:22px;width:32px;text-align:center}
.suggest .p{color:var(--red);font-weight:700;margin-left:auto;white-space:nowrap}
.hdr-actions{display:flex;align-items:center;gap:6px;margin-left:auto}
.hloc{display:flex;align-items:center;gap:6px;color:#fff;background:rgba(255,255,255,.18);border-radius:20px;padding:0 18px 0 12px;height:40px;font-size:14px;white-space:nowrap;margin-left:6px}
.hloc:hover{background:rgba(255,255,255,.28)}
.hloc svg{width:20px;height:20px}
.lmore{display:flex;flex-direction:column;align-items:center;gap:6px;margin:18px 0 6px}
.lmore button{display:flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--blue);color:var(--blue);border-radius:22px;padding:10px 28px;font-size:14px;font-weight:600;font-family:inherit;cursor:pointer}
.lmore button:hover{background:var(--blue-ll)}
.lmore small{color:#888;font-size:12px}
.hcat{position:relative;align-self:stretch;display:flex;align-items:center}
.mega{display:none;position:absolute;left:-8px;top:100%;margin-top:-4px;width:min(880px,calc(100vw - 40px));background:#fff;border-radius:14px;box-shadow:0 14px 40px rgba(0,0,0,.22);z-index:70;overflow:hidden;grid-template-columns:230px 1fr;max-height:min(560px,calc(100vh - 90px))}
.hcat.open .mega{display:grid}
.hcat.open .hmenu{background:#fff;color:#1a1a1a}
.mega-l{background:#f2f4f7;overflow:auto;padding:6px 0}
.mega-l a{display:flex;align-items:center;gap:10px;padding:11px 18px;font-size:14px;color:#222;border-bottom:1px solid #e6e9ee}
.mega-l a.on{background:#fff;color:var(--blue);font-weight:700}
.mega-l a .e{width:22px;text-align:center}
.mega-r{padding:18px 22px;overflow:auto}
.mega-r h3{font-size:15px;font-weight:800;margin:0 0 14px;text-transform:uppercase;letter-spacing:.02em}
.mega-g{display:grid;grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:14px 10px}
.mega-g a{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;font-size:13px;color:#222;line-height:1.3;padding:6px 4px;border-radius:10px}
.mega-g a:hover{background:var(--blue-ll);color:var(--blue)}
.mega-g .im{width:64px;height:64px;display:grid;place-items:center;font-size:36px}
.mega-g .im img{max-width:64px;max-height:64px;object-fit:contain}
.mega-g small{color:#d0021b;font-size:11px;font-weight:700}
@media (max-width:900px){.hcat.open .mega{display:none}.hcat.open .hmenu{background:none;color:#fff}}
nav.cats .nav-sale{color:#d0021b;font-weight:700}
.badge{position:absolute;top:0;left:20px;background:var(--yellow);color:#111;font-size:10px;font-weight:800;min-width:17px;height:17px;border-radius:9px;display:grid;place-items:center;padding:0 4px}
@media (max-width:1100px){.hloc{display:none}}
@media (max-width:900px){.hlink .lbl{display:none}.search{max-width:none}}

/* nav */
nav.cats{background:#fff;border-bottom:1px solid var(--line)}
nav.cats .wrap{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;padding-top:4px;padding-bottom:4px}
nav.cats .wrap::-webkit-scrollbar{display:none}
nav.cats a{display:flex;align-items:center;gap:6px;padding:10px 12px;border-radius:8px;font-weight:600;font-size:13.5px;white-space:nowrap;color:#333}
nav.cats a:hover,nav.cats a.on{background:var(--blue-l);color:var(--blue)}
nav.cats a .i{font-size:18px}

/* hero */
.hero{display:grid;grid-template-columns:230px 1fr 280px;gap:12px;margin-top:14px}
.side{background:#fff;border-radius:var(--r);padding:8px;box-shadow:var(--shadow)}
.side a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:8px;font-weight:500}
.side a:hover{background:var(--blue-l);color:var(--blue)}
.side a .i{font-size:18px;width:24px;text-align:center}
.side a .ar{margin-left:auto;color:#aab}
.slider{position:relative;border-radius:var(--r);overflow:hidden;min-height:300px;box-shadow:var(--shadow)}
.slide{position:absolute;inset:0;padding:32px 36px;color:#fff;display:flex;flex-direction:column;justify-content:center;opacity:0;transition:opacity .6s}
.slide.on{opacity:1;z-index:1}
.slide h2{font-size:32px;line-height:1.1;margin:6px 0 10px;font-weight:800;max-width:60%}
.slide p{margin:0 0 18px;max-width:55%;opacity:.95;font-size:15px}
.slide .tag{display:inline-block;background:var(--yellow);color:#111;font-weight:800;border-radius:6px;padding:4px 10px;font-size:12px;align-self:flex-start}
.slide .cta{align-self:flex-start;background:#fff;color:var(--blue-d);font-weight:800;border:0;border-radius:24px;padding:10px 22px;font-size:14px}
.slide .art{position:absolute;right:28px;bottom:18px;font-size:150px;line-height:1;filter:drop-shadow(0 12px 18px rgba(0,0,0,.25))}
.dots{position:absolute;bottom:12px;left:36px;display:flex;gap:6px;z-index:2}
.dots button{width:9px;height:9px;border-radius:5px;border:0;background:rgba(255,255,255,.5);padding:0}
.dots button.on{width:26px;background:#fff}
.mini{display:grid;grid-template-rows:1fr 1fr;gap:12px}
.mini div{border-radius:var(--r);padding:18px;color:#fff;position:relative;overflow:hidden;box-shadow:var(--shadow);cursor:pointer}
.mini h3{margin:0 0 4px;font-size:17px;font-weight:800;max-width:70%}
.mini p{margin:0;font-size:12.5px;opacity:.92;max-width:65%}
.mini .art{position:absolute;right:10px;bottom:4px;font-size:64px}

/* usp */
.usp{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:12px}
.usp div{background:#fff;border-radius:var(--r);padding:12px 16px;border-left:3px solid var(--blue);display:flex;align-items:center;gap:10px;box-shadow:var(--shadow)}
.usp .i{width:38px;height:38px;border-radius:10px;background:var(--blue-l);display:grid;place-items:center;font-size:20px;flex-shrink:0}
.usp b{display:block;font-size:13.5px}
.usp small{color:var(--muted);font-size:12px}

/* sections */
.box{background:#fff;border-radius:var(--r);box-shadow:var(--shadow);margin-top:16px;padding:16px}
.box-h{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.box-h h2{margin:0;font-size:20px;font-weight:800;text-transform:uppercase;letter-spacing:-.01em;color:var(--blue-dd)}
.box-h .more{margin-left:auto;color:var(--blue);font-weight:600}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:#fff;border-radius:20px;padding:6px 12px;font-size:13px;font-weight:500;color:#333}
.chip:hover{border-color:var(--blue);color:var(--blue)}
.chip.on{background:var(--blue);border-color:var(--blue);color:#fff}

.quick{display:grid;grid-template-columns:repeat(8,1fr);gap:4px}
.quick a{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;padding:10px 4px;border-radius:10px;font-size:12.5px;font-weight:500}
.quick a:hover{background:var(--blue-ll);color:var(--blue)}
.quick a{padding:12px 6px}
.quick .i{position:relative;width:100%;max-width:120px;height:72px;display:grid;place-items:center;font-size:34px}
.quick .qimg{max-width:100%;max-height:72px;object-fit:contain;mix-blend-mode:multiply}
.quick .qb{position:absolute;top:-4px;right:0;background:#ffe1e3;color:#e3262b;font-style:normal;font-size:11.5px;font-weight:700;padding:2px 6px;border-radius:6px;white-space:nowrap}
.quick .ql{font-size:13.5px;line-height:1.3;color:#1f2937}
.quick a:hover .ql{color:var(--blue)}
.side a .simg{width:26px;height:26px;object-fit:contain;mix-blend-mode:multiply}

/* flash */
.flash{background:linear-gradient(135deg,#1352b8,#2a86ff);color:#fff}
.flash .box-h h2{color:#fff;display:flex;align-items:center;gap:8px}
.flash .box-h h2 .bolt{color:var(--yellow)}
.count{display:flex;gap:4px;align-items:center;font-weight:700}
.count span{background:#111827;color:#fff;border-radius:6px;padding:4px 7px;min-width:32px;text-align:center;font-variant-numeric:tabular-nums}
.flash .more{color:var(--yellow)}
.hscroll{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 48px)/5);gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:4px;scrollbar-width:thin}
.hscroll>*{scroll-snap-align:start}

/* product card */
.grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px;display:flex;flex-direction:column;gap:6px;cursor:pointer;transition:box-shadow .15s,transform .15s;position:relative;color:var(--text)}
.card:hover{box-shadow:0 8px 22px rgba(16,56,120,.14);transform:translateY(-2px)}
.card .ribbon{position:absolute;top:10px;left:10px;display:flex;flex-direction:column;gap:4px;z-index:1}
.card .ribbon span{font-size:10.5px;font-weight:700;padding:2px 7px;border-radius:4px;color:#fff;background:var(--blue)}
.card .ribbon span.hot{background:var(--red)}
.card .ribbon span.inst{background:var(--green)}
.pimg{width:100%;height:100%;object-fit:contain;display:block}
.thumb .pimg{padding:8%;background:#fff;border-radius:10px}
.suggest .em .pimg{height:32px}
.thumb{aspect-ratio:1/1;overflow:hidden;border-radius:10px;display:grid;place-items:center;font-size:76px;margin-bottom:4px;position:relative}
.thumb .brand{position:absolute;bottom:6px;right:8px;font-size:10.5px;font-weight:800;letter-spacing:.05em;color:rgba(15,63,140,.55);text-transform:uppercase}
.card h3{font-size:13.5px;font-weight:600;margin:0;line-height:1.35;height:2.7em;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.spec{display:flex;gap:4px;flex-wrap:wrap}
.spec span{background:#f2f4f7;color:#555;font-size:11px;border-radius:4px;padding:1px 6px}
.old{color:var(--muted);text-decoration:line-through;font-size:12.5px}
.old b{color:var(--red);text-decoration:none;display:inline-block;margin-left:4px;font-weight:600}
.price{color:var(--red);font-weight:800;font-size:16px}
.rate{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:4px}
.rate .st{color:#f59e0b}
.flash .card{border:0}
.bar{height:16px;border-radius:8px;background:#ffe3c7;position:relative;overflow:hidden;font-size:10.5px;font-weight:700;color:#7a3500;text-align:center;line-height:16px}
.bar i{position:absolute;left:0;top:0;bottom:0;background:linear-gradient(90deg,#ff9f1c,#ff6a00);border-radius:8px}
.bar em{position:relative;font-style:normal}
.addbtn{margin-top:auto;border:1px solid var(--blue);color:var(--blue);background:#fff;border-radius:8px;padding:7px;font-weight:700;font-size:13px}
.addbtn:hover{background:var(--blue);color:#fff}

/* listing */
.list-layout{display:grid;grid-template-columns:240px 1fr;gap:16px;margin-top:16px}
.filters{background:#fff;border-radius:var(--r);padding:14px;box-shadow:var(--shadow);align-self:start;position:sticky;top:84px}
.filters h4{margin:12px 0 8px;font-size:14px}
.filters h4:first-child{margin-top:0}
.filters label{display:flex;gap:8px;align-items:center;padding:4px 0;font-size:13.5px;cursor:pointer}
.filters input{accent-color:var(--blue)}
.crumb{font-size:13px;color:var(--muted);margin:14px 0 0}
.crumb a{color:var(--blue)}
.list-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.list-top h1{font-size:20px;margin:0;font-weight:800;color:var(--blue-dd)}
.list-top .n{color:var(--muted)}
.list-top select{margin-left:auto;height:36px;border:1px solid var(--line);border-radius:8px;padding:0 10px;font-family:inherit;background:#fff}
.empty{text-align:center;padding:50px 10px;color:var(--muted)}
.empty .i{font-size:60px}
.fbtn{display:none}

/* modal + drawer */
.ov{position:fixed;inset:0;background:rgba(9,24,51,.55);z-index:100;display:none;align-items:center;justify-content:center;padding:16px}
.ov.on{display:flex}
.modal{background:#fff;border-radius:16px;max-width:900px;width:100%;max-height:92vh;overflow:auto;position:relative;display:grid;grid-template-columns:1fr 1fr;gap:24px;padding:24px}
.x{position:absolute;top:10px;right:10px;width:36px;height:36px;border-radius:50%;border:0;background:#f1f4f9;font-size:20px;z-index:2}
.modal .thumb{font-size:170px}
.modal h2{margin:0 0 6px;font-size:20px}
.modal .price{font-size:26px}
.modal .row{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.btn{border:0;border-radius:10px;padding:12px 18px;font-weight:800;font-size:14px}
.btn.pri{background:var(--orange);color:#fff;flex:1;min-width:150px}
.btn.pri small{display:block;font-weight:500;font-size:11.5px;opacity:.9}
.btn.sec{background:var(--blue);color:#fff;flex:1;min-width:150px}
.btn.sec small{display:block;font-weight:500;font-size:11.5px;opacity:.9}
.promo{border:1px solid #cfe0fb;background:var(--blue-ll);border-radius:10px;padding:10px 12px;margin-top:12px}
.promo b{color:var(--blue-d)}
.promo ul{margin:6px 0 0;padding-left:18px}
.promo li{margin:3px 0}
table.specs{width:100%;border-collapse:collapse;margin-top:12px;font-size:13px}
table.specs td{padding:7px 8px;border-bottom:1px solid var(--line)}
table.specs td:first-child{color:var(--muted);width:42%}

.drawer{position:fixed;top:0;right:0;bottom:0;width:420px;max-width:100%;background:#fff;z-index:110;transform:translateX(100%);transition:transform .25s;display:flex;flex-direction:column}
.drawer.on{transform:none}
.drawer-h{display:flex;align-items:center;padding:16px;border-bottom:1px solid var(--line);background:var(--blue);color:#fff}
.drawer-h h3{margin:0;font-size:17px}
.drawer-h .x{position:static;margin-left:auto;background:rgba(255,255,255,.2);color:#fff}
.drawer-b{flex:1;overflow:auto;padding:12px 16px}
.drawer-f{border-top:1px solid var(--line);padding:14px 16px}
.ci{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}
.ci .t{width:64px;height:64px;border-radius:8px;display:grid;place-items:center;font-size:36px;flex-shrink:0}
.ci .m{flex:1;min-width:0}
.ci .m b{display:block;font-size:13px;font-weight:600}
.ci .m .price{font-size:14px}
.qty{display:inline-flex;border:1px solid var(--line);border-radius:6px;overflow:hidden;margin-top:4px}
.qty button{border:0;background:#f5f7fa;width:28px;height:28px;font-size:16px}
.qty span{width:34px;text-align:center;line-height:28px;font-weight:600}
.rm{border:0;background:none;color:var(--muted);font-size:12px;text-decoration:underline;margin-left:8px}
.total{display:flex;justify-content:space-between;font-size:16px;margin-bottom:10px}
.total b{color:var(--red);font-size:20px}
.form{display:grid;gap:8px;margin-top:8px}
.form input,.form textarea,.form select{border:1px solid var(--line);border-radius:8px;padding:10px 12px;font-family:inherit;font-size:14px;width:100%}
.form input:focus,.form textarea:focus{outline:2px solid var(--blue);border-color:transparent}
.ok{text-align:center;padding:30px 10px}
.ok .i{font-size:64px}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%) translateY(120px);background:#111827;color:#fff;padding:12px 18px;border-radius:10px;z-index:200;transition:transform .25s;font-weight:600;max-width:calc(100% - 32px)}
.toast.on{transform:translateX(-50%)}

/* footer */
footer{background:#fff;margin-top:24px;border-top:4px solid var(--blue)}
.fgrid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:24px;padding-top:28px;padding-bottom:20px}
footer h4{margin:0 0 10px;font-size:14px;color:var(--blue-dd);text-transform:uppercase}
footer ul{list-style:none;margin:0;padding:0}
footer li{margin:6px 0;color:#444}
footer li a:hover{color:var(--blue)}
.hot{font-size:13.5px}
.hot b{color:var(--blue);font-size:16px}
.copy{background:var(--blue-dd);color:#cfe0ff;font-size:12.5px;padding:12px 0;text-align:center}
.float-call{position:fixed;right:16px;bottom:16px;z-index:40;width:54px;height:54px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;font-size:24px;box-shadow:0 6px 18px rgba(18,161,80,.45);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(18,161,80,.5)}70%{box-shadow:0 0 0 14px rgba(18,161,80,0)}100%{box-shadow:0 0 0 0 rgba(18,161,80,0)}}

.float-call{bottom:84px!important}
.float-zalo{position:fixed;right:16px;bottom:16px;z-index:41;width:56px;height:56px;border-radius:50%;background:#0068ff;color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px;box-shadow:0 6px 18px rgba(0,104,255,.45);animation:pulseZ 2s infinite}
.float-zalo span{letter-spacing:-.02em}
@keyframes pulseZ{0%{box-shadow:0 0 0 0 rgba(0,104,255,.5)}70%{box-shadow:0 0 0 14px rgba(0,104,255,0)}100%{box-shadow:0 0 0 0 rgba(0,104,255,0)}}
/* trang chi tiết */
.pd{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:28px}
.pd-main{font-size:180px;margin:0}
.pd-thumbs{display:flex;gap:8px;margin-top:10px;overflow-x:auto}
.pd-thumbs button{width:64px;height:64px;border:2px solid var(--line);border-radius:8px;background:#fff;padding:4px;flex-shrink:0}
.pd-thumbs button.on{border-color:var(--blue)}
.pd-thumbs img{width:100%;height:100%;object-fit:contain}
.pd-info h1{font-size:22px;margin:0 0 6px;line-height:1.3}
.pd-price{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin:12px 0 4px}
.pd-price .price{font-size:28px}
.pd-policy{display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:14px;font-size:13px;color:#374151}
.pd-body{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:16px;align-items:start}
.pd-body .box{margin-top:16px}
.pd-h{font-size:18px;margin:0 0 10px;color:var(--blue-dd)}
.pd-hl{margin:0;padding-left:20px}.pd-hl li{margin:6px 0}
.pd-desc{position:relative;max-height:1100px;overflow:hidden;font-size:15px;color:#1f2937}
.pd-desc.open{max-height:none}
.pd-desc p{margin:0 0 14px;line-height:1.75}
.pd-desc p:first-child{font-weight:500;color:var(--blue-dd)}
.pd-desc figure{margin:6px 0 18px;text-align:center}
.pd-desc figure img{max-width:100%;max-height:520px;border-radius:12px;background:#f6f8fb;object-fit:contain}
.pd-more-wrap{position:relative;margin-top:-80px;padding-top:80px;background:linear-gradient(rgba(255,255,255,0),#fff 70%);text-align:center}
.pd-desc.open + .pd-more-wrap{display:none}
.pd-more{border:1px solid var(--blue);color:var(--blue);background:#fff;border-radius:20px;padding:8px 22px;font-weight:700}
.pd-brand{display:block;margin-top:14px;text-align:center;padding:11px;border-radius:10px;background:var(--blue-ll);color:var(--blue-d);font-weight:700;border:1px dashed #b9d2f5}
.pd-brand.sm{margin-top:10px;padding:8px;font-size:13px}
.pd-specs table.specs tr:nth-child(even) td{background:#fafbfd}
.pd-specs{position:sticky;top:84px}
.pd-specs h3{font-size:14px;margin:14px 0 4px;background:var(--blue-ll);padding:7px 10px;border-radius:6px;color:var(--blue-d)}
.pd-specs h3:first-of-type{margin-top:0}
.pd-specs table.specs{margin-top:0}
@media (max-width:820px){.pd,.pd-body{grid-template-columns:minmax(0,1fr)}.pd-specs{position:static}.pd-main{font-size:120px}}
.logo-ic{width:48px;height:48px;object-fit:contain;flex-shrink:0;filter:drop-shadow(0 1px 2px rgba(0,0,0,.25))}
.flogo{display:block;background:linear-gradient(135deg,var(--blue-dd),var(--blue));border-radius:12px;padding:8px 12px;margin-bottom:12px;max-width:300px}
.flogo img{display:block;width:100%;height:auto}
.pd-info .row{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.pd-info .row .btn{flex:1 1 160px;min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;line-height:1.25;text-decoration:none}
.pd-info .row .btn small{margin-top:2px}
.pd-info .pd-brand.sm{margin-top:12px}
.pd>*,.pd-body>*,.pd-gal,.pd-info{min-width:0}
.pd-thumbs{max-width:100%}
.pd-info h1{overflow-wrap:anywhere}
.pd-specs table.specs td{overflow-wrap:anywhere}
@media (max-width:560px){.pd{gap:14px}.pd-main{font-size:90px}.pd-info h1{font-size:18px}.pd-price .price{font-size:24px}.pd-desc figure img{max-height:360px}.pd-specs table.specs td:first-child{width:45%}}
.slide .artimg{position:absolute;right:28px;bottom:14px;max-height:86%;max-width:44%;object-fit:contain;filter:drop-shadow(0 16px 22px rgba(0,0,0,.35))}
.slide h2,.slide p,.slide .tag,.slide .cta{position:relative;z-index:1}
.mini .artimg{position:absolute;right:10px;bottom:8px;max-height:72%;max-width:44%;object-fit:contain;filter:drop-shadow(0 10px 14px rgba(0,0,0,.3))}
@media (max-width:560px){.slide .artimg{max-width:40%;max-height:62%;right:10px}.mini .artimg{max-height:80%}}
/* banner kéo ngang */
.bnr{position:relative;margin-top:14px}
.bnr-track{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 12px)/2);gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;border-radius:var(--r)}
.bnr-track::-webkit-scrollbar{display:none}
.bnr-item{scroll-snap-align:start;position:relative;aspect-ratio:2.35/1;border-radius:var(--r);overflow:hidden;color:#fff;display:flex;align-items:center;box-shadow:var(--shadow)}
.bnr-item.img img{width:100%;height:100%;object-fit:cover;display:block}
.bnr-item .bt{position:relative;z-index:1;padding:20px 24px;max-width:60%}
.bnr-item .tag{display:inline-block;background:var(--yellow);color:#111;font-weight:800;border-radius:6px;padding:3px 9px;font-size:11.5px}
.bnr-item h2{font-size:24px;line-height:1.15;margin:8px 0 6px;font-weight:800}
.bnr-item p{margin:0 0 12px;font-size:13px;opacity:.95}
.bnr-item .cta{display:inline-block;background:#fff;color:var(--blue-d);font-weight:800;border-radius:20px;padding:7px 16px;font-size:13px}
.bnr-item .artimg{position:absolute;right:16px;bottom:10px;max-height:86%;max-width:42%;object-fit:contain;filter:drop-shadow(0 14px 18px rgba(0,0,0,.35))}
.bnr-nav{position:absolute;top:50%;transform:translateY(-50%);width:36px;height:56px;border:0;background:rgba(0,0,0,.28);color:#fff;font-size:28px;z-index:2}
.bnr-nav.prev{left:0;border-radius:0 10px 10px 0}.bnr-nav.next{right:0;border-radius:10px 0 0 10px}
.bnr-dots{display:flex;justify-content:center;gap:6px;margin-top:8px}
.bnr-dots button{width:8px;height:8px;border-radius:4px;border:0;background:#c7d6ee;padding:0}
.bnr-dots button.on{width:22px;background:var(--blue)}
/* khuyến mãi online */
.promo-sec{margin-top:18px}
.ps-title{font-size:22px;font-weight:800;margin:0 0 10px;color:var(--text)}
.deal-img{width:100%;display:block;border-radius:var(--r) var(--r) 0 0}
.deal-head{display:flex;align-items:center;justify-content:center;gap:18px;background:linear-gradient(90deg,#ff8a00,#ffd400 50%,#ff8a00);border-radius:var(--r) var(--r) 0 0;padding:14px 16px;text-align:center}
.deal-head b{display:block;font-size:30px;font-weight:900;color:#b91c1c;letter-spacing:.01em;text-shadow:0 2px 0 #fff3b0}
.deal-head span{display:block;font-weight:800;color:#7c2d12;font-size:14px}
.deal-head .dh-gift{font-size:40px}
.ps-box{margin-top:0;border-radius:0 0 var(--r) var(--r)}
.ps-tabs{display:flex;gap:4px;overflow-x:auto;border-bottom:1px solid var(--line);scrollbar-width:none}
.ps-tabs button{border:0;background:none;padding:10px 16px;font-weight:700;font-size:14px;color:#374151;white-space:nowrap;border-bottom:3px solid transparent}
.ps-tabs button.on{color:var(--red);border-bottom-color:var(--red)}
.ps-slots{display:flex;gap:6px;justify-content:center;background:#f1f4f9;border-radius:12px;padding:6px;margin:12px auto;max-width:680px;overflow-x:auto}
.ps-slots div{flex:1;min-width:96px;text-align:center;padding:6px 8px;border-radius:10px;font-size:13px;color:#374151}
.ps-slots div b{display:block;font-size:15px}
.ps-slots div.on{background:var(--blue);color:#fff}
.ps-slots div.on b span{display:inline-block;background:#fff;color:var(--blue-d);border-radius:4px;padding:0 4px;margin:0 1px}
@media (max-width:820px){.bnr-track{grid-auto-columns:100%}.bnr-item h2{font-size:20px}}
@media (max-width:560px){.bnr-item{aspect-ratio:2/1}.bnr-item .bt{padding:14px;max-width:62%}.bnr-item h2{font-size:16px}.bnr-item p{display:none}.bnr-item .artimg{max-width:40%}.deal-head b{font-size:20px}.deal-head .dh-gift{font-size:28px}.bnr-nav{display:none}}
/* bg tints per category */
.bg-dm{background:linear-gradient(160deg,#eaf2ff,#f8fbff)}
.bg-dl{background:linear-gradient(160deg,#e3f6ff,#f6fcff)}
.bg-gd{background:linear-gradient(160deg,#fff4e6,#fffaf3)}
.bg-ln{background:linear-gradient(160deg,#e3fbf6,#f5fffc)}
.bg-pk{background:linear-gradient(160deg,#f3efff,#fbf9ff)}
.bg-gb{background:linear-gradient(160deg,#ffecec,#fff8f8)}

@media (max-width:1100px){
  .hero{grid-template-columns:1fr 260px}
  .side{display:none}
  .grid{grid-template-columns:repeat(4,1fr)}
  .hscroll{grid-auto-columns:calc((100% - 36px)/4)}
  .quick{grid-template-columns:repeat(5,1fr)}
}
@media (max-width:820px){
  .hero{grid-template-columns:1fr}
  .mini{grid-template-rows:none;grid-template-columns:1fr 1fr}
  .usp{grid-template-columns:repeat(2,1fr)}
  .grid{grid-template-columns:repeat(3,1fr)}
  .hscroll{grid-auto-columns:calc((100% - 24px)/3)}
  .list-layout{grid-template-columns:1fr}
  .filters{display:none;position:static}
  .filters.on{display:block}
  .fbtn{display:inline-block}
  .modal{grid-template-columns:1fr;padding:18px}
  .modal .thumb{font-size:120px}
  .fgrid{grid-template-columns:1fr 1fr}
  .slide h2{font-size:24px;max-width:70%}
  .slide p{max-width:62%}
  .slide .art{font-size:100px}
}
@media (max-width:560px){
  header.main .wrap{flex-wrap:wrap;gap:4px 8px;height:auto;padding-top:8px;padding-bottom:10px}
  .search{order:3;flex-basis:100%;max-width:none}
  .suggest{min-width:0}
  .hmenu{order:2;margin-left:auto}
  .logo .name strong{font-size:17px}
  .logo-ic{width:34px;height:34px}
  .logo{gap:6px}
  .hsale{display:none}
  .hdr-actions .hlink{padding:6px 5px}
  .hmenu{padding:6px 4px}
  .hdr-actions{margin-left:0;gap:2px}
  .grid{grid-template-columns:repeat(2,1fr);gap:8px}
  .hscroll{grid-auto-columns:calc((100% - 8px)/2);gap:8px}
  .quick{grid-template-columns:repeat(4,1fr)}
  .quick .i{height:56px}.quick .qimg{max-height:56px}.quick .ql{font-size:12px}.quick .qb{font-size:10.5px;padding:1px 4px}
  .usp{grid-template-columns:1fr 1fr}
  .usp div{padding:10px}
  .slider{min-height:240px}
  .slide{padding:22px}
  .slide h2{font-size:20px}
  .slide p{font-size:13px}
  .slide .art{font-size:80px;right:12px}
  .mini{grid-template-columns:1fr}
  .box{padding:12px}
  .box-h h2{font-size:17px}
  .card{padding:8px}
  .thumb{font-size:56px}
  .price{font-size:15px}
  .fgrid{grid-template-columns:1fr}
  .strip .r{display:none}
}

.seo-txt{line-height:1.7;font-size:14.5px;color:#333}
.seo-txt h1{font-size:20px;margin:0 0 10px;line-height:1.35}
.seo-txt h2{font-size:17px;margin:18px 0 8px}
.seo-txt h3{font-size:15px;margin:14px 0 6px}
.seo-txt p{margin:0 0 10px}
.seo-txt ul{margin:0 0 10px 20px}
.seo-txt a{color:var(--blue);font-weight:500}
.seo-txt a:hover{text-decoration:underline}
.seo-txt details{border-top:1px solid var(--line);padding:10px 0}
.seo-txt summary{font-weight:600;cursor:pointer}
.seo-txt details p{margin:8px 0 0;color:#444}
.seo-txt table{border-collapse:collapse;width:100%;margin:8px 0 14px;font-size:14px}
.seo-txt th,.seo-txt td{border:1px solid var(--line);padding:8px 10px;text-align:left}
.seo-txt th{background:var(--blue-ll)}
.art{max-width:820px;margin-left:auto;margin-right:auto}
.art h1{font-size:24px}
.art-meta{color:#888;font-size:13px}
.art-list{margin:0 0 0 20px}
.art-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;margin-top:12px}
.art-cards a{display:flex;flex-direction:column;gap:6px;border:1px solid var(--line);border-radius:12px;padding:14px;color:#222}
.art-cards a:hover{border-color:var(--blue);text-decoration:none}
.art-cards a b{color:var(--blue);line-height:1.4}
.art-cards a span{font-size:13px;color:#555;font-weight:400}
.card h3 a{color:inherit}
.card h3 a:hover{color:var(--blue)}
.seo-txt ol{margin:0 0 10px 20px}