:root{
  --bg:#f6f6f7; --card:#fff; --ink:#1d1d22; --muted:#6b6f78; --line:#ebebef;
  --red:#dd1d1d; --red-2:#b51212; --red-3:#8f0d0d; --red-soft:#fdecec; --gold:#ffcf3f;
  --radius:16px; --shadow:0 10px 30px rgba(30,10,10,.07);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
/* Font giống web Shopify cũ: SF Compact Text (chữ thường) + SF Compact Rounded (tiêu đề),
   file font lưu trong assets/fonts. Nếu không tải được thì dùng SF Pro / Inter. */
@font-face{font-family:"VF Text";src:url("fonts/SFCompactText-Regular.otf") format("opentype");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"VF Rounded";src:url("fonts/SFCompactRounded-Medium.otf") format("opentype");font-weight:500 800;font-style:normal;font-display:swap}
h1,h2,h3,h4,h5,.slide h1,.sec-hd h2,.price b,.bigprice b,.btn,.tag,.cat b,.trust b,.countdown span,.catbar a,.tabs button{font-family:"VF Rounded","VF Text",-apple-system,BlinkMacSystemFont,"Inter",system-ui,sans-serif}
body{margin:0;font-family:"VF Text",-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Helvetica Neue","Inter",system-ui,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.5;letter-spacing:-.01em;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-feature-settings:"cv11","ss01"}
h1,h2,h3,.slide h1,.sec-hd h2{letter-spacing:-.022em}
.slide h1{letter-spacing:-.03em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer}
.wrap{max-width:1240px;margin:0 auto;padding:0 16px}
svg.i{width:18px;height:18px;flex:none;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.hide{display:none!important}

/* ---------- top bar & header ---------- */
.topbar{background:var(--red-3);color:#ffd9d9;font-size:12.5px}
.topbar .wrap{display:flex;gap:16px;align-items:center;height:34px;overflow:hidden;white-space:nowrap}
.topbar b{color:#fff}
.topbar .sep{opacity:.35}
.topbar .right{margin-left:auto;display:flex;gap:14px;align-items:center}
header.hd{background:var(--red);position:sticky;top:0;z-index:40;box-shadow:0 2px 12px rgba(120,0,0,.18)}
header.hd .wrap{display:flex;align-items:center;gap:16px;height:70px}
.burger{background:none;border:0;color:#fff;padding:6px;display:grid;place-items:center}
.logo{display:flex;align-items:center;gap:10px;color:#fff;flex:none}
.logo-mark{width:42px;height:42px;border-radius:12px;background:#fff;color:var(--red);display:grid;place-items:center;font-weight:900;font-size:20px}
.logo b{font-size:20px;font-weight:800;letter-spacing:.5px;display:block;line-height:1.1}
.logo small{display:block;font-size:11px;color:#ffd0d0;font-weight:500}
.logo-img{display:block;height:26px;width:auto;margin-bottom:4px}
.drawer .logo-img{height:24px;margin:0}
footer .logo-img{height:26px}
.search{flex:1;display:flex;max-width:560px;position:relative}
.search input{flex:1;border:0;border-radius:12px 0 0 12px;padding:0 14px;height:44px;font:inherit;font-size:14px;outline:none;min-width:0}
.search button{border:0;background:var(--ink);color:#fff;width:50px;border-radius:0 12px 12px 0}
.suggest{position:absolute;top:48px;left:0;right:0;background:#fff;border-radius:12px;box-shadow:var(--shadow);overflow:hidden;z-index:5}
.suggest a{display:flex;gap:10px;align-items:center;padding:8px 12px;font-size:13.5px;border-bottom:1px solid var(--line)}
.suggest a:hover{background:var(--red-soft)}
.suggest img{width:40px;height:40px;object-fit:contain;background:#fff;border-radius:6px}
.suggest .pr{margin-left:auto;color:var(--red);font-weight:700;white-space:nowrap}
.hd-actions{display:flex;align-items:center;gap:10px;margin-left:auto;color:#fff}
.hotline{display:flex;align-items:center;gap:8px;color:#fff;font-size:12px;line-height:1.25}
.hotline b{display:block;font-size:15px}
.acct{display:flex;align-items:center;gap:8px;color:#fff;font-size:12px;line-height:1.3}
.acct b{display:block;font-size:13.5px}
.auth{max-width:440px;margin:28px auto 0}
.auth .tabs2{display:grid;grid-template-columns:1fr 1fr;background:#f1f1f4;border-radius:12px;padding:4px;margin-bottom:20px}
.auth .tabs2 button{border:0;background:none;padding:10px;border-radius:9px;font-weight:700;color:var(--muted)}
.auth .tabs2 button.on{background:#fff;color:var(--red);box-shadow:0 2px 8px rgba(0,0,0,.06)}
.pw{position:relative}
.pw button{position:absolute;right:8px;top:50%;transform:translateY(-50%);border:0;background:none;color:var(--muted);font-size:12.5px;font-weight:600}
.err{background:var(--red-soft);color:var(--red-2);border-radius:10px;padding:10px 12px;font-size:13.5px;margin-bottom:12px}
.perks-mini{display:grid;gap:8px;margin-top:18px;font-size:13.5px;color:#3d4048}
.perks-mini div{display:flex;gap:8px;align-items:center}
.perks-mini svg{color:var(--red)}
.acc{display:grid;grid-template-columns:260px 1fr;gap:20px;align-items:start}
.acc-side .who{display:flex;gap:12px;align-items:center;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:8px}
.acc-side .av{width:48px;height:48px;border-radius:50%;background:var(--red);color:#fff;display:grid;place-items:center;font-weight:800;font-size:20px}
.acc-side a,.acc-side button{display:flex;gap:10px;align-items:center;padding:10px;border-radius:10px;font-size:14px;width:100%;border:0;background:none;text-align:left;color:var(--ink)}
.acc-side a:hover,.acc-side button:hover,.acc-side a.on{background:var(--red-soft);color:var(--red)}
.order{border:1px solid var(--line);border-radius:14px;padding:14px;margin-bottom:12px}
.order .oh{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:13.5px;margin-bottom:10px}
.order .st{background:#fff4e0;color:#a35f00;border-radius:999px;padding:2px 10px;font-weight:700;font-size:12px}
.order .its{display:flex;gap:8px;flex-wrap:wrap}
.order .its img{width:54px;height:54px;object-fit:contain;border:1px solid var(--line);border-radius:8px;background:#fff}
.ic-btn{position:relative;width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.16);display:grid;place-items:center;color:#fff}
.ic-btn .badge{position:absolute;top:-5px;right:-5px;min-width:19px;height:19px;border-radius:10px;background:var(--gold);color:var(--ink);font-size:11px;font-weight:800;display:grid;place-items:center;padding:0 4px}
.catbar{background:#fff;border-bottom:1px solid var(--line)}
.catbar .wrap{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.catbar .wrap::-webkit-scrollbar{display:none}
.catbar a{padding:11px 12px;font-size:13.5px;font-weight:600;white-space:nowrap;border-bottom:2px solid transparent}
.catbar a:hover,.catbar a.on{color:var(--red);border-color:var(--red)}
.catbar a.hot{color:var(--red)}
.catbar a[data-k]{display:flex;align-items:center;gap:4px}
.catbar a[data-k] svg{transition:transform .2s;opacity:.6}
.catbar a.open{color:var(--red);border-color:var(--red)}
.catbar a.open svg{transform:rotate(180deg);opacity:1}
.dd{position:fixed;z-index:45;background:#fff;border-radius:16px;box-shadow:0 16px 40px rgba(20,10,10,.16);border:1px solid var(--line);padding:8px;min-width:240px;max-height:70vh;overflow:auto;margin-top:4px}
.dd a{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 12px;border-radius:10px;font-size:14px;color:#333}
.dd a:hover{background:var(--red-soft);color:var(--red)}
.dd a span{display:flex;align-items:center;gap:6px;color:#9a9ca3;font-size:12px}
.dd a.all{font-weight:700;color:var(--red);border-bottom:1px solid var(--line);border-radius:10px 10px 0 0;margin-bottom:4px}

/* drawer */
.drawer{position:fixed;inset:0;background:rgba(0,0,0,.45);opacity:0;pointer-events:none;transition:.2s;z-index:60}
.drawer.open{opacity:1;pointer-events:auto}
.drawer nav{position:absolute;left:0;top:0;bottom:0;width:min(330px,86vw);background:#fff;overflow:auto;transform:translateX(-100%);transition:.25s}
.drawer.open nav{transform:none}
.drawer .dh{background:var(--red);padding:16px;display:flex;align-items:center;justify-content:space-between}
.drawer .dh button{background:none;border:0;color:#fff}
.drawer .grp{padding:6px 16px 10px}
.drawer h4{margin:14px 0 4px;font-size:12px;text-transform:uppercase;letter-spacing:.7px;color:var(--red)}
.drawer .grp a{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px}
.drawer .grp a span{color:var(--muted);font-size:12px}

/* ---------- common ---------- */
.crumbs{font-size:13px;color:var(--muted);padding:18px 0 10px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.crumbs b{color:var(--ink);font-weight:500}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.bubble{width:38px;height:38px;border-radius:11px;background:var(--red-soft);color:var(--red);display:grid;place-items:center;flex:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 18px;border-radius:11px;font-size:14px;font-weight:600;border:1px solid var(--line);background:#fff;color:var(--ink);white-space:nowrap}
.btn:hover{border-color:#d5d5db}
.btn.red{background:linear-gradient(180deg,var(--red),var(--red-2));color:#fff;border:0}
.btn.red:hover{filter:brightness(1.06)}
.btn.white{background:#fff;color:var(--red);border:0}
.btn.ghost{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.35)}
.btn.sm{height:36px;padding:0 12px;font-size:13px;border-radius:9px}
.btn.lg{height:50px;font-size:15px;padding:0 22px}
.sec{margin-top:40px}
.sec-hd{display:flex;align-items:flex-end;gap:16px;margin-bottom:16px;flex-wrap:wrap}
.sec-hd .eyebrow{font-size:12.5px;color:var(--red);font-weight:700;text-transform:uppercase;letter-spacing:.5px}
.sec-hd h2{margin:2px 0 0;font-size:25px;font-weight:800}
.sec-hd .more{margin-left:auto;font-weight:600;font-size:14px;color:var(--red);display:flex;align-items:center;gap:4px}
.tabs{display:flex;gap:6px;flex-wrap:wrap}
.tabs button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;color:#444}
.tabs button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
input,select,textarea{width:100%;font:inherit;font-size:14px;border:1px solid #dcdce2;border-radius:11px;padding:10px 12px;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:3px solid var(--red-soft);border-color:var(--red)}
label.l{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
label.l i{color:var(--red);font-style:normal}
.field{margin-bottom:14px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}

/* ---------- product card ---------- */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.grid.g5{grid-template-columns:repeat(5,1fr)}
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:12px;display:flex;flex-direction:column;position:relative;transition:.2s}
.pcard:hover{box-shadow:var(--shadow);transform:translateY(-2px);border-color:#f3caca}
.pcard .ph{aspect-ratio:1;border-radius:11px;background:#fff;display:grid;place-items:center;overflow:hidden;margin-bottom:10px}
.pcard .ph img{width:100%;height:100%;object-fit:contain;transition:.3s}
.pcard:hover .ph img{transform:scale(1.04)}
.pcard .tags{position:absolute;top:12px;left:12px;display:flex;gap:4px;z-index:2}
.tag{font-size:11px;font-weight:800;padding:3px 7px;border-radius:6px;background:var(--red);color:#fff}
.tag.gold{background:var(--gold);color:var(--ink)}
.pcard .meta{font-size:12px;color:var(--muted)}
.pcard h3{font-size:14px;font-weight:600;margin:4px 0 8px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:39px}
.price{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;margin-top:auto}
.price b{color:var(--red);font-size:17px;font-weight:800}
.price s{color:#9a9ca3;font-size:12.5px}
.pcard .acts{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:10px}
.pcard .acts .btn{height:36px;font-size:12.5px;padding:0 6px}
.save{font-size:12px;color:#138a3e;font-weight:600;margin-top:2px}

/* horizontal scroller */
.hscroll{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 42px)/4);gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding-bottom:4px}
.hscroll::-webkit-scrollbar{display:none}
.hscroll>*{scroll-snap-align:start}

/* ---------- hero ---------- */
.hero{position:relative;background:radial-gradient(1200px 500px at 80% 40%,#ff4b4b 0%,var(--red) 35%,var(--red-3) 100%);color:#fff;overflow:hidden}
.slides{position:relative;min-height:440px}
.slide{position:absolute;inset:0;display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:20px;opacity:0;transition:opacity .6s;pointer-events:none}
.slide.on{opacity:1;pointer-events:auto}
.slide .kick{display:inline-flex;gap:6px;align-items:center;background:rgba(255,255,255,.14);padding:5px 12px;border-radius:999px;font-size:13px;font-weight:600}
.slide h1{font-size:46px;line-height:1.12;margin:16px 0 12px;font-weight:800}
.slide h1 em{font-style:normal;color:var(--gold)}
.slide p{color:#ffe0e0;max-width:470px;margin:0 0 22px}
.slide .art{position:relative;height:400px;display:grid;place-items:center}
.slide .art .glow{position:absolute;width:440px;height:440px;border-radius:50%;background:radial-gradient(circle,rgba(255,190,150,.55) 0%,rgba(255,90,60,.25) 40%,transparent 70%)}
.slide .art img{position:relative;width:100%;max-width:520px;max-height:360px;object-fit:contain;filter:drop-shadow(0 28px 30px rgba(60,0,0,.45))}
.slide .art img.boxed{background:#fff;border-radius:20px;padding:16px;max-width:380px}
.slide .art .off{position:absolute;right:12%;top:8%;width:96px;height:96px;border-radius:50%;background:var(--gold);color:var(--ink);display:grid;place-items:center;text-align:center;font-size:12px;font-weight:700;line-height:1.1;box-shadow:0 10px 24px rgba(0,0,0,.2);transform:rotate(8deg)}
.slide .art .off b{display:block;font-size:26px;font-weight:900}
.hero-nav{position:absolute;right:16px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:8px}
.hero-nav button{width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:rgba(0,0,0,.12);color:#fff;display:grid;place-items:center}
.hero-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:0 0 26px}
.hero-tabs button{background:none;border:0;color:#fff;text-align:left;padding:0}
.hero-tabs .bar{height:3px;background:rgba(255,255,255,.22);border-radius:3px;overflow:hidden;margin-bottom:10px}
.hero-tabs .bar i{display:block;height:100%;width:0;background:#fff}
.hero-tabs button.on .bar i{animation:fill 6s linear forwards}
.hero-tabs b{display:block;font-size:14px}
.hero-tabs small{color:#ffcaca;font-size:12.5px}
@keyframes fill{to{width:100%}}

/* trust */
.trust{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);margin-top:-1px;position:relative;z-index:2;overflow:hidden;border:1px solid var(--line)}
.trust .track{display:flex;width:max-content;animation:marquee 32s linear infinite}
.trust:hover .track{animation-play-state:paused}
.trust .ti{flex:none;width:300px;display:flex;gap:12px;align-items:center;padding:18px 20px;border-right:1px solid var(--line)}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.trust .track{animation-duration:90s}}
.trust b{display:block;font-size:14px}
.trust small{color:var(--muted);font-size:12.5px}

/* category icons */
.cats{display:grid;grid-template-columns:repeat(7,1fr);gap:12px}
.cat{text-align:center;display:block}
.cat .cpic{aspect-ratio:1;background:#fff;border:1px solid var(--line);border-radius:var(--radius);display:grid;place-items:center;overflow:hidden;margin-bottom:10px;transition:.2s;padding:12px}
.cat .cpic img{width:100%;height:100%;object-fit:contain;transition:transform .3s}
.cat:hover .cpic{border-color:var(--red);box-shadow:var(--shadow)}
.cat:hover .cpic img{transform:scale(1.06)}
.cat .ci{width:62px;height:62px;border-radius:50%;background:var(--red-soft);color:var(--red);display:grid;place-items:center}
.cat .ci svg{width:30px;height:30px;stroke-width:1.6}
.cat b{display:block;font-size:14px}
.cat small{color:var(--muted);font-size:12px}

/* deal box */
.deal{background:linear-gradient(135deg,var(--red-3),var(--red) 60%,#f04040);border-radius:22px;padding:24px;color:#fff;position:relative;overflow:hidden}
.deal::after{content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.07)}
.deal .sec-hd h2{color:#fff}
.deal .sec-hd .eyebrow{color:var(--gold)}
.deal .sec-hd .more{color:#fff}
.countdown{display:flex;gap:6px;align-items:center;font-size:13px;font-weight:600}
.countdown span{background:#fff;color:var(--red);font-weight:800;border-radius:8px;padding:4px 8px;min-width:34px;text-align:center;font-size:15px}
.deal .pcard{border:0;color:var(--ink)}
.stock{height:6px;border-radius:6px;background:#ffe1e1;margin-top:8px;overflow:hidden}
.stock i{display:block;height:100%;background:linear-gradient(90deg,#ff7a00,var(--red))}
.stock-t{font-size:11.5px;color:var(--muted);margin-top:3px}

/* duo banners */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.banner{border-radius:20px;padding:28px;min-height:220px;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end;color:#fff}
.banner.b1{background:linear-gradient(120deg,#1d1d22 0%,#3a1010 100%)}
.banner.b2{background:linear-gradient(120deg,#fff 0%,#ffe9e9 100%);color:var(--ink);border:1px solid #f6d4d4}
.banner img{position:absolute;right:-10px;top:50%;transform:translateY(-50%);width:46%;max-width:260px;aspect-ratio:1;object-fit:contain;background:#fff;border-radius:50%;padding:10px}
.banner .eyebrow{font-size:12.5px;font-weight:700;color:var(--gold);text-transform:uppercase}
.banner.b2 .eyebrow{color:var(--red)}
.banner h3{font-size:24px;margin:4px 0 6px;max-width:58%;line-height:1.25}
.banner p{margin:0 0 14px;max-width:55%;font-size:14px;opacity:.85}
.banner .txt{position:relative;z-index:2}

/* brands */
.brands{display:grid;grid-template-columns:repeat(8,1fr);gap:10px}
.brands a{background:#fff;border:1px solid var(--line);border-radius:12px;height:62px;display:grid;place-items:center;font-weight:800;font-size:15px;color:#444;letter-spacing:.3px;transition:.2s}
.brands a:hover{color:var(--red);border-color:var(--red)}

/* reviews / news */
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.review .stars{color:#f5a400;letter-spacing:2px}
.review p{margin:8px 0 12px;color:#3d4048;font-size:14px}
.review .who{display:flex;gap:10px;align-items:center;font-size:13px}
.review .av{width:36px;height:36px;border-radius:50%;background:var(--red);color:#fff;display:grid;place-items:center;font-weight:800}
.post{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.post .pi{aspect-ratio:16/9;background:#fff;display:grid;place-items:center;border-bottom:1px solid var(--line)}
.post .pi img{height:100%;object-fit:contain}
.post .pb{padding:16px}
.post h3{font-size:16px;margin:6px 0;line-height:1.4}
.post p{margin:0;color:var(--muted);font-size:13.5px}

/* showroom strip */
.showroom{display:grid;grid-template-columns:1.2fr 1fr;gap:16px}
.showroom .card{display:flex;gap:14px;align-items:flex-start}
.help{background:var(--ink);color:#fff;border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:12px}
.help h3{margin:0;font-size:20px}
.help p{margin:0;color:#c9c9d1;font-size:14px}

/* ---------- category page ---------- */
.cat-layout{display:grid;grid-template-columns:250px 1fr;gap:20px;align-items:start}
.filters{position:sticky;top:130px}
.filters h4{margin:0 0 10px;font-size:14px}
.filters .fg{padding:14px 0;border-bottom:1px solid var(--line)}
.filters .fg:first-child{padding-top:0}
.filters label{display:flex;align-items:center;gap:8px;padding:4px 0;font-size:14px;cursor:pointer}
.filters input[type=checkbox],.filters input[type=radio]{width:16px;height:16px;accent-color:var(--red)}
.filters .count{margin-left:auto;color:var(--muted);font-size:12px}
.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:14px;flex-wrap:wrap}
.toolbar select{width:auto}
.toolbar .n{color:var(--muted);font-size:14px}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{background:var(--red-soft);color:var(--red-2);border-radius:999px;padding:4px 10px;font-size:12.5px;font-weight:600;border:0}
.empty{text-align:center;padding:60px 16px;color:var(--muted)}
.filter-btn{display:none}

/* ---------- product page ---------- */
.pd{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.pd .gallery{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;position:sticky;top:130px}
.pd .gallery .main{aspect-ratio:1;display:grid;place-items:center}
.pd .gallery .main img{width:100%;height:100%;object-fit:contain}
.pd h1{font-size:26px;margin:6px 0 10px;line-height:1.3}
.pd .bigprice{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;background:var(--red-soft);border-radius:14px;padding:14px 16px;margin:14px 0}
.pd .bigprice b{font-size:30px;color:var(--red);font-weight:800}
.pd .bigprice s{color:#9a9ca3}
.tag.dark{background:#3a3a40}
.btn.dark{background:#1d1d22;color:#fff;border:0}
/* khung tư vấn sản phẩm */
.modal .box.cs-box{padding:0;width:min(540px,100%);overflow:hidden auto}
.cs-hd{background:#1d1d22;color:#fff;display:flex;gap:16px;align-items:center;padding:22px 60px 22px 24px}
.cs-pic{flex:none;width:92px;height:72px;border-radius:12px;background:#fff;display:grid;place-items:center;overflow:hidden}
.cs-pic img{width:100%;height:100%;object-fit:contain;padding:4px}
.cs-eb{color:var(--gold);font-size:12.5px;font-weight:700}
.cs-hd h3{margin:2px 0 4px;font-size:18px;line-height:1.3;color:#fff}
.cs-pr{color:#ff6b6b;font-weight:800;font-size:19px;font-family:"VF Rounded","VF Text",sans-serif}
.cs-pr s{color:#8d8d96;font-size:13px;font-weight:500}
.cs-meta{color:#9d9da6;font-size:12.5px;margin-top:2px}
.cs-box .x{background:rgba(255,255,255,.12);color:#fff}
.cs-bd{padding:18px 22px 22px}
.cs-row{display:flex;align-items:center;gap:14px;border:1px solid var(--line);border-radius:14px;padding:13px 14px;margin-bottom:10px;transition:.15s}
.cs-row:hover{border-color:var(--red);background:#fffafa}
.cs-row>span:nth-child(2){flex:1;min-width:0}
.cs-row b{display:block;font-size:15px}
.cs-row small{display:block;color:var(--muted);font-size:12.5px;line-height:1.4}
.cs-row>svg{color:#a0a0a8}
.cs-ic{flex:none;width:42px;height:42px;border-radius:11px;display:grid;place-items:center;color:#fff}
.cs-ic img{width:24px;height:24px}
.cs-ic.zl{background:#0068ff}
.cs-ic.ph{background:linear-gradient(135deg,#ff5a3c,var(--red))}
.cs-ic.ms{background:linear-gradient(135deg,#00b2ff,#006aff 45%,#a033ff 80%,#ff5c87)}
.cs-msg{display:flex;gap:12px;align-items:flex-start;background:#f4f4f6;border-radius:14px;padding:12px 14px;margin-top:4px}
.cs-msg p{margin:0;flex:1;font-size:13.5px;line-height:1.55;color:#33343a}
.cs-msg .btn{color:var(--red);flex:none}
.cs-bd .or{margin:16px 0 10px}
.cs-bd .field{margin-bottom:12px}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;opacity:0}
.quick{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.quick a{display:flex;align-items:center;justify-content:center;gap:8px;height:44px;border-radius:11px;color:#fff;font-weight:700;font-size:14px}
.quick img{width:20px;height:20px}
.quick .zl{background:#0068ff}
.quick .ms{background:linear-gradient(135deg,#00b2ff,#006aff 45%,#a033ff 80%,#ff5c87)}
.quick .ph{grid-column:1/-1;background:var(--red)}
.or{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12.5px;margin:16px 0 12px}
.or::before,.or::after{content:"";flex:1;height:1px;background:var(--line)}
.call-sm{display:none}
@media (max-width:1080px){.call-sm{display:grid}}
.qr-box{text-align:center;border:1px dashed var(--red);border-radius:14px;padding:16px;margin:14px auto 0;max-width:340px;background:#fff}
.qr-box img{width:240px;max-width:100%;margin:0 auto}
.qr-box p{margin:6px 0 0;font-size:13.5px;color:#3d4048}
.thumbs{display:flex;gap:8px;margin-top:12px;overflow-x:auto;scrollbar-width:thin;padding-bottom:4px}
.thumbs button{flex:none;width:68px;height:68px;border:2px solid var(--line);border-radius:10px;background:#fff;padding:3px;cursor:pointer}
.thumbs button.on{border-color:var(--red)}
.thumbs img{width:100%;height:100%;object-fit:contain}
.pd-info{display:grid;grid-template-columns:1fr 340px;gap:16px;align-items:start}
.spec-card{position:sticky;top:130px}
.desc{font-size:15px;line-height:1.7;color:#2b2c31;overflow-wrap:anywhere;position:relative}
.desc.collapsed{max-height:640px;overflow:hidden}
.desc.collapsed::after{content:"";position:absolute;left:0;right:0;bottom:0;height:120px;background:linear-gradient(transparent,#fff)}
.desc img{max-width:100%!important;height:auto!important;border-radius:10px;margin:10px auto}
.desc table{width:100%!important;border-collapse:collapse;margin:12px 0;font-size:14px;display:block;overflow-x:auto}
.desc td,.desc th{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.desc th{background:#f6f6f7}
.desc h1,.desc h2,.desc h3,.desc h4{line-height:1.35;margin:18px 0 8px}
.desc h1{font-size:22px}.desc h2{font-size:20px}.desc h3{font-size:18px}.desc h4{font-size:16px}
.desc p{margin:0 0 10px}
.desc ul,.desc ol{padding-left:22px}
.desc a{color:var(--red)}
.desc figure{margin:12px 0}
.desc *{max-width:100%;box-sizing:border-box}
.desc-more{display:flex;margin:14px auto 0}
.qty{display:inline-flex;border:1px solid #dcdce2;border-radius:11px;overflow:hidden;height:46px}
.qty button{width:42px;border:0;background:#fff;font-size:18px}
.qty input{width:52px;border:0;text-align:center;border-radius:0;padding:0}
.buy{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}
.perks{margin-top:18px;display:grid;gap:10px}
.perks div{display:flex;gap:10px;align-items:center;font-size:14px}
.perks svg{color:var(--red)}
.gift{border:1px dashed var(--red);border-radius:14px;padding:14px 16px;margin-top:16px;background:#fff}
.gift h4{margin:0 0 6px;color:var(--red);font-size:14px;display:flex;gap:6px;align-items:center}
.gift ul{margin:0;padding-left:18px;font-size:14px;color:#3d4048}
.spec{width:100%;border-collapse:collapse;font-size:14px}
.spec td{padding:10px 12px;border-bottom:1px solid var(--line)}
.spec td:first-child{color:var(--muted);width:40%}

/* ---------- cart ---------- */
.cart{display:grid;grid-template-columns:1.5fr 1fr;gap:20px;align-items:start}
.citem{display:grid;grid-template-columns:80px 1fr auto;gap:14px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}
.citem img{width:80px;height:80px;object-fit:contain;border-radius:10px;border:1px solid var(--line);background:#fff}
.citem h4{margin:0 0 4px;font-size:14px;line-height:1.35}
.citem .rm{background:none;border:0;color:var(--muted);font-size:12.5px;padding:0;margin-left:10px}
.citem .qty{height:36px}
.citem .qty button{width:32px}
.citem .qty input{width:38px}
.sum div{display:flex;justify-content:space-between;padding:6px 0;font-size:14px}
.sum .tot{border-top:1px solid var(--line);margin-top:8px;padding-top:12px;font-size:16px}
.sum .tot b{color:var(--red);font-size:22px}
.pay label{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--line);border-radius:11px;padding:10px 12px;margin-bottom:8px;cursor:pointer;font-size:14px}
.pay input{width:auto;margin-top:3px;accent-color:var(--red)}
.pay label:has(input:checked){border-color:var(--red);background:var(--red-soft)}

/* ---------- contact ---------- */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.info{display:grid;gap:12px}
.info .card,.policies .card{display:flex;gap:14px}
.info h3,.policies h3{margin:0 0 2px;font-size:15px}
.info p,.policies p{margin:0;color:#3d4048;font-size:14px}
.policies{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.map{border-radius:var(--radius);overflow:hidden;aspect-ratio:16/10;background:#eee;border:1px solid var(--line)}
.map iframe{width:100%;height:100%;border:0}
form.card{padding:24px;box-shadow:var(--shadow)}
.ok{margin-top:12px;padding:10px 12px;border-radius:11px;background:#e9f8ef;color:#127a38;font-size:14px}

/* article */
.article{max-width:780px}
.article h1{font-size:30px;line-height:1.3}
.article p{font-size:16px;color:#333;line-height:1.75}

/* ---------- modal & toast ---------- */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.5);display:grid;place-items:center;z-index:80;padding:16px;opacity:0;pointer-events:none;transition:.2s}
.modal.open{opacity:1;pointer-events:auto}
.modal .box{background:#fff;border-radius:20px;padding:24px;width:min(460px,100%);max-height:90vh;overflow:auto;position:relative}
.modal .x{position:absolute;right:12px;top:12px;background:#f2f2f4;border:0;border-radius:50%;width:34px;height:34px;display:grid;place-items:center}
.modal h3{margin:0 0 4px;font-size:20px}
.modal .sub{color:var(--muted);font-size:13.5px;margin:0 0 16px}
.modal .box.wide{width:min(720px,100%);padding:28px 30px}
.policy h3{font-size:24px;margin:0 40px 14px 0}
.policy h4{font-size:15px;margin:18px 0 6px}
.policy p,.policy li{font-size:14.5px;line-height:1.65;color:#33343a}
.policy p{margin:0 0 8px}
.policy ul,.policy ol{margin:0 0 8px;padding-left:20px}
.policy li{margin:3px 0}
.pol-more{border-top:1px solid var(--line);margin-top:20px;padding-top:14px}
.pol-more b{display:block;font-size:13px;color:var(--muted);margin-bottom:8px}
.pol-more div{display:flex;flex-wrap:wrap;gap:6px}
.pol-more button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 12px;font-size:12.5px;font-weight:600;color:#444}
.pol-more button:hover{border-color:var(--red);color:var(--red)}
.combo-res{margin-top:14px;display:grid;gap:8px}
.combo-res a{display:flex;gap:10px;align-items:center;border:1px solid var(--line);border-radius:12px;padding:8px}
.combo-res img{width:48px;height:48px;object-fit:contain}
.combo-res .t{font-size:13px;line-height:1.35}
.combo-res .t b{color:var(--red)}
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,30px);background:var(--ink);color:#fff;padding:12px 18px;border-radius:12px;font-size:14px;opacity:0;transition:.25s;z-index:90;display:flex;gap:10px;align-items:center;box-shadow:var(--shadow)}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast a{color:var(--gold);font-weight:700}

/* floating */
.floats{position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:10px;z-index:50}
.floats a{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:0 8px 20px rgba(0,0,0,.2);font-weight:800;font-size:12px}
.floats .zl{background:#0068ff}
.floats .ms{background:linear-gradient(135deg,#00b2ff,#006aff 45%,#a033ff 80%,#ff5c87)}
.floats .zl img,.floats .ms img{width:26px;height:26px}
.floats .ph{background:var(--red);animation:ring 1.6s infinite}
.floats .up{background:#fff;color:var(--ink);opacity:0;pointer-events:none;transition:.2s}
.floats .up.show{opacity:1;pointer-events:auto}
@keyframes ring{0%,100%{box-shadow:0 0 0 0 rgba(221,29,29,.5)}70%{box-shadow:0 0 0 14px rgba(221,29,29,0)}}

/* ---------- footer ---------- */
footer.ft{background:#16161a;color:#b8b8c2;margin-top:64px;font-size:14px}
.news-band{background:var(--red);color:#fff}
.news-band .wrap{display:flex;gap:20px;align-items:center;padding-top:22px;padding-bottom:22px;flex-wrap:wrap}
.news-band h4{margin:0;font-size:18px}
.news-band p{margin:2px 0 0;font-size:13px;color:#ffd6d6}
.news-band form{margin-left:auto;display:flex;gap:8px;flex:1;max-width:480px;min-width:260px}
.news-band input{border:0}
.news-band .btn{background:var(--ink);color:#fff;border:0}
.ft-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px;padding:36px 0 10px}
.ft-grid h5{color:#fff;margin:0 0 10px;font-size:14px}
.ft-grid a{display:block;padding:4px 0}
.ft-grid a:hover{color:#fff}
.ft-contact div{display:flex;gap:8px;align-items:flex-start;margin:7px 0}
.ft-contact .logo small{color:#999}
.ft-grid .ft-contact .logo{display:flex;padding:0;margin-bottom:6px}
.ft-grid .ft-contact .btn{display:inline-flex;padding:0 18px}
.ft-grid .socials a{display:grid}
.socials{display:flex;gap:8px;margin-top:12px}
.socials a{width:38px;height:38px;border-radius:10px;background:#26262c;display:grid;place-items:center;color:#fff;font-size:12px;font-weight:800;padding:0}
.copy{border-top:1px solid #2a2a31;padding:16px 0 22px;font-size:12.5px;color:#80808a;display:flex;gap:10px 20px;flex-wrap:wrap;justify-content:space-between;align-items:center}
.copy nav{display:flex;flex-wrap:wrap;gap:4px 0}
.copy nav a{padding:2px 0}
.copy nav a+a::before{content:"·";margin:0 8px;color:#55555e}
.copy nav a:hover{color:#fff}
.pay-row{display:flex;gap:10px 16px;align-items:center;flex-wrap:wrap;padding:14px 0;border-top:1px solid #2a2a31;font-size:13px}
.pay-row div{display:flex;gap:6px;flex-wrap:wrap}
.pay-row i{width:50px;height:32px;background:#fff;border-radius:6px;display:grid;place-items:center}
.pay-row i img{width:30px;height:24px;object-fit:contain}
.ft-grid .socials a{transition:background .2s}
.ft-grid .socials a img{width:18px;height:18px}
.ft-grid .socials a:hover{background:var(--brand)}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .grid,.grid.g5{grid-template-columns:repeat(3,1fr)}
  .cats{grid-template-columns:repeat(5,1fr)}
  .brands{grid-template-columns:repeat(4,1fr)}
  .hotline{display:none}
  .hscroll{grid-auto-columns:calc((100% - 28px)/3)}
}
@media (max-width:860px){
  header.hd .wrap{flex-wrap:wrap;height:auto;padding-top:10px;padding-bottom:10px;gap:10px}
  .search{order:3;flex-basis:100%;max-width:none}
  .topbar .right,.topbar .hide-sm{display:none}
  .slides{min-height:600px}
  .slide{grid-template-columns:1fr;align-content:start;padding-top:28px;gap:0}
  .slide h1{font-size:32px}
  .slide .art{height:260px;order:2}
  .slide .art .glow{width:280px;height:280px}
  .slide .art img{max-width:330px;max-height:230px}
  .slide .art .off{width:76px;height:76px;right:6%}
  .slide .art .off b{font-size:20px}
  .hero-nav{display:none}
  .hero-tabs{gap:10px}
  .hero-tabs small{display:none}
  .trust .ti{width:250px;padding:14px 16px}
  .cats{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:100px;overflow-x:auto;scrollbar-width:none}
  .grid,.grid.g5{grid-template-columns:repeat(2,1fr);gap:10px}
  .hscroll{grid-auto-columns:calc((100% - 10px)/2);gap:10px}
  .duo,.three,.showroom,.contact,.policies,.pd,.cart,.acc,.pd-info{grid-template-columns:1fr}
  .spec-card{position:static}
  .banner h3,.banner p{max-width:62%}
  .ft-grid{grid-template-columns:1fr 1fr}
  .ft-contact{grid-column:1/-1}
  .cat-layout{grid-template-columns:1fr}
  .filters{position:fixed;inset:0 0 0 auto;width:min(320px,88vw);z-index:70;background:#fff;border-radius:0;overflow:auto;transform:translateX(100%);transition:.25s;top:0}
  .filters.open{transform:none;box-shadow:-10px 0 40px rgba(0,0,0,.2)}
  .filter-btn{display:inline-flex}
  .pd .gallery{position:relative;top:auto}
  .pd h1{font-size:21px}
  .sec-hd h2{font-size:21px}
  .acct-txt{display:none}
}
@media (max-width:480px){
  .row2{grid-template-columns:1fr}
  .pcard{padding:9px}
  .pcard h3{font-size:13px}
  .price b{font-size:15px}
  .pcard .acts{grid-template-columns:1fr}
  .pcard .acts .btn.d{display:none}
  .brands{grid-template-columns:repeat(3,1fr)}
  .logo small{display:none}
  .banner{padding:20px;min-height:200px}
  .banner h3{font-size:19px}
  .deal{padding:16px;border-radius:18px}
  .countdown span{font-size:13px;min-width:28px;padding:3px 6px}
  .banner{padding-top:140px}
  .banner img{width:120px;top:16px;right:16px;transform:none}
  .banner h3,.banner p{max-width:none}
  .citem{grid-template-columns:64px 1fr}
  .citem img{width:64px;height:64px}
  .citem>b{grid-column:2}
}
.cart>*,.contact>*,.pd>*,.showroom>*{min-width:0}

/* chừa chỗ cho dải 'Powered by Netlify' ở cuối màn hình điện thoại */
@media (max-width:640px){.floats{bottom:calc(64px + env(safe-area-inset-bottom))}}

/* ===================================================================
   THANG CHỮ KIỂU APPLE: lớn – vừa – nhỏ, đậm vừa (600) / thường (400),
   chữ khít lại ở cỡ lớn, chữ phụ màu xám. Sửa cỡ chữ ở đây.
   =================================================================== */
:root{--ink:#1d1d1f;--muted:#6e6e73;--fs-hero:64px;--fs-h1:40px;--fs-h2:32px;--fs-h3:21px;--fs-body:16px;--fs-small:14px;--fs-tiny:12px}
body{font-size:var(--fs-body);line-height:1.47;letter-spacing:-.022em;color:var(--ink)}
h1,h2,h3,h4{font-weight:600;color:inherit}
small,.meta,.stock-t,.sub{letter-spacing:-.01em}

/* Banner: rất lớn, đậm vừa, khít */
.slide h1{font-size:var(--fs-hero);line-height:1.06;font-weight:600;letter-spacing:-.015em}
.slide p{font-size:19px;line-height:1.42;letter-spacing:.012em;font-weight:400;color:rgba(255,255,255,.86)}
.slide .kick{font-size:var(--fs-tiny);font-weight:600;letter-spacing:0}

/* Tiêu đề mục: hai tông – vế đầu đậm, vế sau xám */
.sec-hd h2{font-size:var(--fs-h2);line-height:1.125;font-weight:600;letter-spacing:.004em}
.sec-hd h2 .sub{color:var(--muted);font-weight:600}
.deal .sec-hd h2 .sub{color:rgba(255,255,255,.72)}
.sec-hd .more{font-size:var(--fs-small);font-weight:400;letter-spacing:-.016em}
.eyebrow{font-size:var(--fs-tiny)!important;font-weight:600!important;letter-spacing:.02em!important}

/* Thẻ sản phẩm: tên vừa, giá đậm vừa, chữ phụ nhỏ xám */
.pcard h3{font-size:15px;line-height:1.33;font-weight:600;letter-spacing:-.016em}
.pcard .meta{font-size:var(--fs-tiny);color:var(--muted)}
.price b{font-size:17px;font-weight:600;letter-spacing:-.022em}
.price s{font-size:var(--fs-tiny)}
.tag{font-weight:600;letter-spacing:0}

/* Trang sản phẩm */
.pd h1{font-size:var(--fs-h1);line-height:1.1;font-weight:600;letter-spacing:0}
.pd .bigprice b{font-size:32px;font-weight:600;letter-spacing:.004em}
.pd .bigprice s{font-size:17px}
.perks div,.gift ul{font-size:var(--fs-small);letter-spacing:-.016em}
.card h3,.gift h4,.modal h3{font-weight:600}
.desc{font-size:17px;line-height:1.53;letter-spacing:-.022em;color:var(--ink)}
.desc h1,.desc h2{font-size:28px;line-height:1.14;font-weight:600}
.desc h3{font-size:21px;line-height:1.19;font-weight:600}
.desc h4{font-size:17px;font-weight:600}

/* Danh mục, cam kết, menu, nút */
.cat b{font-size:var(--fs-small);font-weight:600;letter-spacing:-.016em}
.cat small,.trust small{font-size:var(--fs-tiny);color:var(--muted)}
.trust b{font-size:var(--fs-small);font-weight:600}
.catbar a{font-size:var(--fs-small);font-weight:400;letter-spacing:-.016em}
.catbar a.on,.catbar a.hot{font-weight:600}
.btn{font-weight:500;letter-spacing:-.016em}
.btn.lg{font-size:17px}
.crumbs{font-size:var(--fs-tiny)}

/* Khối khác */
.banner h3{font-size:28px;line-height:1.14;font-weight:600}
.post h3{font-size:19px;line-height:1.21;font-weight:600}
.review p,.post p{font-size:var(--fs-small);line-height:1.43}
.policy h3{font-size:28px}
.policy p,.policy li{font-size:var(--fs-body)}
footer.ft{font-size:var(--fs-tiny);line-height:1.33}
.ft-grid h5{font-size:var(--fs-tiny);font-weight:600}
.ft-grid a{font-size:var(--fs-tiny)}
.news-band h4{font-size:21px;font-weight:600}

@media (max-width:860px){
  :root{--fs-hero:40px;--fs-h1:28px;--fs-h2:24px}
  .slide p{font-size:17px}
  .pd .bigprice b{font-size:26px}
  .banner h3{font-size:22px}
  .desc{font-size:16px}
}
@media (max-width:480px){
  :root{--fs-hero:34px;--fs-h2:22px}
  .pcard h3{font-size:14px}
  .price b{font-size:15px}
}

/* ===== Thanh menu dưới cùng (chỉ trên điện thoại) ===== */
.tabbar{display:none}
@media (max-width:860px){
  .tabbar{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;z-index:55;background:rgba(255,255,255,.96);backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom))}
  .tabbar a{display:flex;flex-direction:column;align-items:center;gap:3px;font-size:11px;font-weight:500;color:#6e6e73;padding:4px 0;letter-spacing:-.01em}
  .tabbar a svg{width:23px;height:23px;stroke-width:1.8}
  .tabbar a.on{color:var(--red)}
  .tabbar a i{position:relative;display:grid;place-items:center;font-style:normal}
  .tabbar a i b{position:absolute;top:-6px;right:-10px;min-width:17px;height:17px;border-radius:9px;background:var(--red);color:#fff;font-size:10px;font-weight:700;display:grid;place-items:center;padding:0 4px}
  .tabbar .zl-ic{width:23px;height:23px;background:#0068ff;border-radius:6px;padding:3px}
  .tabbar a.call{color:var(--red);font-weight:600}
  .tabbar a.call i{width:34px;height:26px;border-radius:9px;background:linear-gradient(135deg,#ff5a3c,var(--red));color:#fff}
  .tabbar a.call i svg{width:18px;height:18px}
  body{padding-bottom:calc(70px + env(safe-area-inset-bottom))}
  /* nút nổi: bỏ nút gọi (đã có trên thanh), đẩy lên trên thanh menu */
  .floats{bottom:calc(84px + env(safe-area-inset-bottom))!important}
  .floats .ph,.floats .zl{display:none}
  .toast{bottom:calc(88px + env(safe-area-inset-bottom))}
}