/* NHÀ PHÂN PHỐI VINFAST (mẫu) — theo ngôn ngữ thiết kế vinfastauto.com: Mulish, trắng, xanh #1464F4, nút bo 4px, ảnh xe full-bleed, số lớn */
:root{--bg:#FFFFFF;--bg2:#F4F5F7;--bg3:#EBEDF0;--ink:#0B0B0B;--tx:#3C3C3C;--mut:#6B7280;--line:#E3E5E8;--blue:#1464F4;--blue-d:#0E4FC7;--blue-soft:#EAF1FE;--green:#16A34A;--red:#E0262E;--night:#0B1220;--night2:#121A2B;--night-line:#243049;
--f:'Mulish',system-ui,-apple-system,'Segoe UI',sans-serif;--ease:cubic-bezier(.25,.8,.25,1);--w:1320px;--r:4px}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--tx);font:400 16px/1.6 var(--f);overflow-x:hidden}
img{max-width:100%;display:block}a{color:var(--blue);text-decoration:none}
h1,h2,h3,h4{font-family:var(--f);color:var(--ink);margin:0;line-height:1.2;text-wrap:balance}
h2{font-size:clamp(1.7rem,3vw,2.5rem);font-weight:700;letter-spacing:-.01em}h3{font-size:1.2rem;font-weight:700}
p{margin:0 0 1em}
.wrap{width:min(var(--w),100% - 48px);margin:0 auto}
.num{font-variant-numeric:tabular-nums}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;z-index:999;background:var(--blue);color:#fff;padding:8px 14px}
svg.i{width:1em;height:1em;fill:currentColor;flex:none}
.cap{display:block;font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--blue)}
.mut{color:var(--mut)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 26px;border-radius:var(--r);border:1px solid var(--blue);background:var(--blue);color:#fff;font:700 .95rem var(--f);letter-spacing:.02em;cursor:pointer;transition:background .2s,color .2s,border-color .2s;text-transform:uppercase}
.btn:hover{background:var(--blue-d);border-color:var(--blue-d);color:#fff}
.btn.out{background:#fff;color:var(--blue)}.btn.out:hover{background:var(--blue);color:#fff}
.btn.ghost{background:transparent;border-color:#fff;color:#fff}.btn.ghost:hover{background:#fff;color:var(--ink)}
.btn.sm{min-height:40px;padding:0 16px;font-size:.84rem}
.lnk{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--blue)}
.lnk:hover{text-decoration:underline}

/* header */
.topbar{background:var(--night);color:#C8D0DE;font-size:.82rem}
.topbar .wrap{display:flex;gap:24px;align-items:center;min-height:36px;overflow-x:auto;white-space:nowrap;scrollbar-width:none}
.topbar b{color:#fff}.topbar .sep{width:1px;height:12px;background:var(--night-line);flex:none}
.hdr{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.hdr-in{display:flex;align-items:center;gap:26px;height:70px}
.logo{display:flex;align-items:center;gap:12px;color:var(--ink)}
.logo .wm{font:800 1.3rem/1 var(--f);letter-spacing:.34em;color:var(--ink);padding-right:12px;border-right:1px solid var(--line)}
.logo .dl{display:grid;line-height:1.15}.logo .dl b{font-size:.92rem;font-weight:800;color:var(--ink)}.logo .dl small{font-size:.72rem;color:var(--mut);letter-spacing:.04em}
.nav{display:flex;gap:2px;margin-left:auto}
.nav a{color:var(--ink);font-weight:600;font-size:.92rem;padding:10px 12px;border-bottom:2px solid transparent}
.nav a:hover,.nav a.on{color:var(--blue);border-bottom-color:var(--blue)}
.hdr-tel{font-weight:800;color:var(--ink);font-size:1rem;white-space:nowrap}
.menu-btn{display:none;margin-left:auto;background:none;border:0;width:44px;height:44px;font-size:1.3rem;cursor:pointer;color:var(--ink)}
.drawer{position:fixed;inset:0;z-index:90;background:#fff;padding:84px 24px 30px;display:flex;flex-direction:column;opacity:0;visibility:hidden;transition:.25s;overflow-y:auto}
.drawer.open{opacity:1;visibility:visible}
.drawer a{font-size:1.2rem;font-weight:700;color:var(--ink);padding:14px 0;border-bottom:1px solid var(--line)}
.drawer-x{position:absolute;top:14px;right:14px;background:none;border:0;width:44px;height:44px;font-size:1.3rem;cursor:pointer}

/* hero trang chủ: carousel ảnh xe full-bleed */
.hero{position:relative;height:min(78vh,760px);min-height:520px;overflow:hidden;background:var(--night)}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .9s var(--ease);pointer-events:none}
.slide.on{opacity:1;pointer-events:auto}
.slide>picture img,.slide>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.03);transition:transform 6s linear}
.slide.on>picture img,.slide.on>img{transform:scale(1)}
.slide::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.45),transparent 30%,transparent 55%,rgba(0,0,0,.6))}
.slide .in{position:absolute;left:0;right:0;top:9%;z-index:2;text-align:center;color:#fff;padding:0 16px}
.slide .in .lab{font-size:.85rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;opacity:.9}
.slide .in h1,.slide .in h2{color:#fff;font-size:clamp(2.6rem,6vw,4.6rem);font-weight:300;letter-spacing:.04em;margin:8px 0 6px}
.slide .in p{font-size:1.1rem;opacity:.92;margin:0}
.slide .bot{position:absolute;left:0;right:0;bottom:64px;z-index:2;display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.hero .dots{position:absolute;left:0;right:0;bottom:24px;z-index:3;display:flex;justify-content:center;gap:8px}
.hero .dots button{width:34px;height:4px;border-radius:2px;border:0;background:rgba(255,255,255,.4);cursor:pointer;padding:0}
.hero .dots button.on{background:#fff}
.hero .arr{position:absolute;top:50%;z-index:3;transform:translateY(-50%);width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,.5);background:rgba(0,0,0,.2);color:#fff;font-size:1.4rem;cursor:pointer}
.hero .arr.p{left:24px}.hero .arr.n{right:24px}

/* dải công cụ */
.tools4{position:relative;z-index:5;margin-top:-44px}
.tools4 .wrap{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));background:#fff;box-shadow:0 12px 40px -12px rgba(11,18,32,.22);border-radius:var(--r)}
.tools4 a{display:flex;align-items:center;gap:14px;padding:22px 24px;color:var(--ink);font-weight:700;border-right:1px solid var(--line)}
.tools4 a:last-child{border-right:0}
.tools4 a:hover{color:var(--blue)}
.tools4 .ic{width:44px;height:44px;border-radius:50%;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-size:1.1rem;flex:none}
.tools4 small{display:block;font-weight:400;color:var(--mut);font-size:.8rem}

/* section */
.sec{padding:clamp(64px,8vw,104px) 0}
.sec.g{background:var(--bg2)}
.sec.n{background:var(--night);color:#C8D0DE}.sec.n h2,.sec.n h3{color:#fff}.sec.n .mut{color:#98A3B8}
.sec-h{text-align:center;max-width:760px;margin:0 auto 40px}
.sec-h h2{margin-top:10px}.sec-h p{color:var(--mut);margin:12px 0 0}
.sec.n .sec-h p{color:#98A3B8}
.sec-h.l{text-align:left;margin-left:0;display:flex;justify-content:space-between;align-items:end;max-width:none;gap:20px;flex-wrap:wrap}

/* tab nhóm xe */
.tabs{display:flex;justify-content:center;gap:4px;margin:0 auto 34px;border-bottom:1px solid var(--line);width:max-content;max-width:100%;overflow-x:auto}
.tabs button{background:none;border:0;border-bottom:3px solid transparent;padding:12px 18px;font:700 .95rem var(--f);color:var(--mut);cursor:pointer;white-space:nowrap}
.tabs button.on{color:var(--blue);border-bottom-color:var(--blue)}

/* thẻ xe kiểu chính hãng */
.cars{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.car{background:#fff;border:1px solid var(--line);border-radius:var(--r);display:flex;flex-direction:column;transition:box-shadow .3s,transform .3s;min-width:0}
.car:hover{box-shadow:0 18px 40px -20px rgba(11,18,32,.28);transform:translateY(-3px)}
.car[hidden]{display:none}
.car .ph{position:relative;aspect-ratio:16/10;background:linear-gradient(180deg,#F7F8FA,#E9ECF0);display:grid;place-items:center;overflow:hidden}
.car .ph img{width:92%;height:88%;object-fit:contain;transition:transform .6s var(--ease)}
.car .ph img.cover{width:100%;height:100%;object-fit:cover}
.car:hover .ph img{transform:scale(1.04)}
.car .new{position:absolute;left:12px;top:12px;background:var(--blue);color:#fff;font-size:.7rem;font-weight:800;padding:4px 8px;border-radius:3px;letter-spacing:.06em;z-index:1}
.car .b{padding:18px 18px 20px;display:flex;flex-direction:column;gap:6px;flex:1}
.car h3{font-size:1.45rem;font-weight:800}
.car .seg{font-size:.85rem;color:var(--mut)}
.car .kv{display:flex;gap:14px;flex-wrap:wrap;font-size:.84rem;color:var(--tx);margin:6px 0 4px}
.car .kv span{display:inline-flex;gap:6px;align-items:center}.car .kv svg{color:var(--blue)}
.price{display:grid;gap:0;margin:6px 0 12px}
.price s{color:var(--mut);font-size:.88rem}
.price b{font-size:1.3rem;font-weight:800;color:var(--ink)}.price b small{font-size:.75rem;font-weight:600;color:var(--mut)}
.car .acts{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:auto}
.car .acts .btn{min-height:42px;padding:0 10px;font-size:.8rem}

/* đại lý: lợi thế */
.why{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.why div{padding:26px 22px;border:1px solid var(--line);border-radius:var(--r);background:#fff}
.why .ic{width:48px;height:48px;border-radius:50%;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-size:1.2rem;margin-bottom:14px}
.why b{display:block;font-size:1.05rem;color:var(--ink);margin-bottom:4px}.why span{color:var(--mut);font-size:.92rem}
.bigs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid var(--night-line);border-bottom:1px solid var(--night-line)}
.bigs div{padding:28px 20px;border-right:1px solid var(--night-line)}.bigs div:last-child{border-right:0}
.bigs b{display:block;font-size:clamp(2rem,4vw,2.9rem);font-weight:300;color:#fff;letter-spacing:-.01em}.bigs span{font-size:.9rem;color:#98A3B8}

/* split ảnh + chữ */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center}
.split .ph{position:relative;aspect-ratio:16/10;overflow:hidden;border-radius:var(--r)}
.split .ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ticks{list-style:none;padding:0;margin:18px 0 26px;display:grid;gap:10px}
.ticks li{position:relative;padding-left:30px}.ticks li::before{content:"";position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:50%;background:var(--blue-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' fill='none' stroke='%231464F4' stroke-width='2.4' stroke-linecap='round'/%3E%3C/svg%3E") center/11px no-repeat}

/* ưu đãi */
.offers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.offer{border:1px solid var(--line);border-radius:var(--r);padding:24px;display:flex;flex-direction:column;gap:8px;background:#fff}
.offer .big{font-size:2.2rem;font-weight:300;color:var(--blue);line-height:1}
.offer h3{font-size:1.1rem}.offer p{color:var(--mut);margin:0;font-size:.93rem}
.offer .until{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:.8rem;color:var(--mut)}

/* TRANG XE */
.mhero{position:relative;height:min(82vh,780px);min-height:520px;overflow:hidden;background:var(--night)}
.mhero>picture img,.mhero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.mhero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.5),transparent 35%,transparent 60%,rgba(0,0,0,.55))}
.mhero .in{position:absolute;left:0;right:0;top:8%;z-index:2;text-align:center;color:#fff;padding:0 16px}
.mhero .crumbs{justify-content:center;color:rgba(255,255,255,.75)}.mhero .crumbs a{color:rgba(255,255,255,.75)}
.mhero h1{color:#fff;font-size:clamp(3rem,7vw,5.6rem);font-weight:300;letter-spacing:.06em}
.mhero .in p{font-size:1.15rem;margin:6px 0 0;opacity:.92}
.mhero .bot{position:absolute;left:0;right:0;bottom:48px;z-index:2;display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.subnav{position:sticky;top:70px;z-index:40;background:#fff;border-bottom:1px solid var(--line)}
.subnav .wrap{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none}
.subnav b{font-size:1.05rem;font-weight:800;color:var(--ink);margin-right:14px;white-space:nowrap}
.subnav a{color:var(--tx);font-weight:600;font-size:.9rem;padding:16px 12px;border-bottom:2px solid transparent;white-space:nowrap}
.subnav a:hover,.subnav a.on{color:var(--blue);border-bottom-color:var(--blue)}
.subnav .btn{margin-left:auto;flex:none}
.vtabs{display:flex;justify-content:center;gap:0;border:1px solid var(--line);border-radius:var(--r);width:max-content;max-width:100%;margin:0 auto 34px;overflow:hidden}
.vtabs button{background:#fff;border:0;border-right:1px solid var(--line);padding:12px 26px;font:700 .95rem var(--f);color:var(--tx);cursor:pointer}
.vtabs button:last-child{border-right:0}.vtabs button.on{background:var(--blue);color:#fff}
.stat3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));text-align:center;max-width:980px;margin:0 auto}
.stat3 div{padding:6px 16px;border-right:1px solid var(--line)}.stat3 div:last-child{border-right:0}
.stat3 b{display:block;font-size:clamp(2rem,4.4vw,3.2rem);font-weight:300;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.1}
.stat3 b small{font-size:.4em;font-weight:600;margin-left:4px}
.stat3 span{font-size:.88rem;color:var(--mut)}
.vprice{text-align:center;margin-top:28px}
.vprice s{color:var(--mut);margin-right:10px}.vprice b{font-size:1.6rem;font-weight:800;color:var(--ink)}
.vprice .acts{display:flex;justify-content:center;gap:10px;margin-top:18px;flex-wrap:wrap}
/* chọn màu */
.color-stage{position:relative;aspect-ratio:16/8;max-width:1000px;margin:0 auto;display:grid;place-items:center}
.color-stage::after{content:"";position:absolute;left:12%;right:12%;bottom:8%;height:18px;border-radius:50%;background:radial-gradient(ellipse,rgba(0,0,0,.22),transparent 70%);z-index:0}
.color-stage img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;opacity:0;transition:opacity .45s var(--ease);z-index:1}
.color-stage img.on{opacity:1}
.chips{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:18px}
.chips button{width:40px;height:40px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px var(--line);cursor:pointer;padding:0}
.chips button.on{box-shadow:0 0 0 2px var(--blue)}
.cname{text-align:center;margin-top:12px;font-weight:700;color:var(--ink)}
.cname small{display:block;font-weight:400;color:var(--mut);font-size:.84rem}
/* gallery */
.gal{display:grid;grid-template-columns:2fr 1fr 1fr;grid-auto-rows:220px;gap:10px}
.gal button{position:relative;overflow:hidden;border:0;padding:0;cursor:zoom-in;border-radius:var(--r);background:var(--bg3)}
.gal button:first-child{grid-row:span 2}
.gal img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.gal button:hover img{transform:scale(1.05)}
.feats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.feat .ph{position:relative;aspect-ratio:16/10;overflow:hidden;border-radius:var(--r);margin-bottom:14px;background:var(--bg3)}
.feat .ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.feat h3{margin-bottom:6px}.feat p{color:var(--mut);font-size:.94rem;margin:0}
.lb{position:fixed;inset:0;z-index:200;background:rgba(0,0,0,.92);display:none;align-items:center;justify-content:center;padding:30px}
.lb.on{display:flex}.lb img{max-height:88vh;max-width:100%;object-fit:contain}
.lb button{position:absolute;background:none;border:0;color:#fff;font-size:2rem;cursor:pointer;padding:14px}.lb .x{top:6px;right:10px}.lb .p{left:6px;top:50%}.lb .n{right:6px;top:50%}
/* thông số */
.stabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:22px;overflow-x:auto}
.stabs button{background:none;border:0;border-bottom:3px solid transparent;padding:12px 18px;font:700 .95rem var(--f);color:var(--mut);cursor:pointer;white-space:nowrap}
.stabs button.on{color:var(--blue);border-bottom-color:var(--blue)}
.spec{display:none}.spec.on{display:block}
.tb{width:100%;border-collapse:collapse;font-size:.95rem}
.tb th,.tb td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.tb th{font-weight:600;color:var(--mut);width:42%}
.tb td{color:var(--ink);font-weight:600}
.tb-wrap{overflow-x:auto}
.cmp{width:100%;border-collapse:collapse;font-size:.92rem;min-width:720px}
.cmp th,.cmp td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.cmp thead th{background:var(--bg2);color:var(--ink);font-weight:800;font-size:1.05rem}
.cmp tbody th{font-weight:600;color:var(--mut);width:200px}
.cmp td{font-variant-numeric:tabular-nums;color:var(--ink)}
.cmp td.best{color:var(--blue);font-weight:800}
.picker{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.picker label{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:var(--r);padding:9px 14px;cursor:pointer;font-weight:700;color:var(--ink)}
.picker label:has(input:checked){border-color:var(--blue);background:var(--blue-soft);color:var(--blue)}
.picker input{accent-color:var(--blue)}

/* công cụ */
.tool{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:24px;align-items:start}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;min-width:0}
.sec.n .panel{background:var(--night2);border-color:var(--night-line)}
.panel h3{margin-bottom:16px}
.fld{display:block;margin-bottom:18px}
.fld>span,.lab{display:flex;justify-content:space-between;gap:10px;font-weight:700;font-size:.85rem;color:var(--ink);margin-bottom:8px}
.sec.n .fld>span,.sec.n .lab{color:#C8D0DE}
.lab output,.fld>span output{color:var(--blue);font-weight:800;font-variant-numeric:tabular-nums}
.sec.n .lab output,.sec.n .fld>span output{color:#fff}
.fld input:not([type=range]),.fld select,.fld textarea{width:100%;background:#fff;border:1px solid #CDD1D6;border-radius:var(--r);padding:12px 14px;font:400 1rem var(--f);color:var(--ink);outline:none}
.sec.n .fld select{background:var(--night);border-color:var(--night-line);color:#fff}
.fld input:focus,.fld select:focus,.fld textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}
.fld .err{display:none;color:var(--red);font-size:.82rem;margin-top:6px}
.fld.bad input{border-color:var(--red)}.fld.bad .err{display:block}
input[type=range]{width:100%;accent-color:var(--blue)}
.seg-ctl{display:flex;flex-wrap:wrap;gap:6px}
.seg-ctl button,.seg-ctl label{flex:1 0 auto;border:1px solid #CDD1D6;background:#fff;border-radius:var(--r);padding:10px 12px;font:700 .88rem var(--f);color:var(--ink);cursor:pointer;display:flex;gap:8px;align-items:center;justify-content:center}
.seg-ctl button.on,.seg-ctl label:has(input:checked){background:var(--blue);color:#fff;border-color:var(--blue)}
.seg-ctl label input{accent-color:#fff}
.sec.n .seg-ctl button{background:var(--night);border-color:var(--night-line);color:#C8D0DE}.sec.n .seg-ctl button.on{background:var(--blue);color:#fff;border-color:var(--blue)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.bill .row{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px solid var(--line);font-size:.94rem}
.bill .row b{font-weight:800;color:var(--ink);white-space:nowrap;font-variant-numeric:tabular-nums}
.bill .row.free b{color:var(--green)}
.bill .tot{display:flex;justify-content:space-between;align-items:baseline;gap:10px;padding-top:16px}
.bill .tot span{font-weight:700;color:var(--ink)}.bill .tot b{font-size:2rem;font-weight:800;color:var(--blue);font-variant-numeric:tabular-nums}
.big-out{background:var(--bg2);border-radius:var(--r);padding:18px;margin-top:18px;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.big-out>div{min-width:0}
.big-out span{display:block;font-size:.78rem;font-weight:700;color:var(--mut);text-transform:uppercase;letter-spacing:.06em}
.big-out b{font-size:1.45rem;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums}.big-out .v{color:var(--blue)}
.sched{max-height:280px;overflow:auto;border:1px solid var(--line);border-radius:var(--r);margin-top:16px}
.sched table{width:100%;border-collapse:collapse;font-size:.85rem;font-variant-numeric:tabular-nums}
.sched th,.sched td{padding:8px 10px;text-align:right;border-bottom:1px solid var(--line)}.sched th{position:sticky;top:0;background:var(--bg2);font-weight:700}
.sched td:first-child,.sched th:first-child{text-align:left}
.duel{display:grid;gap:14px}
.duel .line{display:grid;grid-template-columns:110px 1fr 140px;gap:12px;align-items:center;font-size:.9rem}
.duel .track{height:24px;border-radius:3px;background:var(--bg3);overflow:hidden}
.sec.n .duel .track{background:var(--night)}
.duel .track i{display:block;height:100%;transition:width .6s var(--ease)}
.duel .ice i{background:#F59E0B}.duel .ev i{background:var(--blue)}
.duel b{font-weight:800;text-align:right;font-variant-numeric:tabular-nums}
.sec.n .duel b{color:#fff}
.save{font-size:clamp(2.4rem,5vw,3.6rem);font-weight:300;color:var(--blue);font-variant-numeric:tabular-nums;line-height:1.1}
.sec.n .save{color:#6EA8FF}
.net{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border:1px solid var(--night-line)}
.net div{padding:24px 20px;border-right:1px solid var(--night-line)}.net div:last-child{border-right:0}
.net b{display:block;font-size:2.3rem;font-weight:300;color:#fff;font-variant-numeric:tabular-nums}.net span{color:#98A3B8;font-size:.88rem}
.plug{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.plug div{border:1px solid var(--line);border-radius:var(--r);padding:22px}
.plug .kw{font-size:2rem;font-weight:300;color:var(--blue);display:block}.plug b{font-size:1.1rem;color:var(--ink)}
.ticket{border:1px solid var(--line);border-top:4px solid var(--blue);border-radius:var(--r);padding:26px;background:#fff}
.ticket h3{font-size:1.5rem;margin:8px 0}
.ticket .code{font-size:2.2rem;font-weight:800;color:var(--blue);letter-spacing:.08em;margin:10px 0 14px}
.ticket dl{display:grid;grid-template-columns:auto 1fr;gap:6px 18px;margin:0}.ticket dt{color:var(--mut)}.ticket dd{margin:0;color:var(--ink);font-weight:600}
.pill{display:inline-block;background:var(--blue-soft);color:var(--blue);font-weight:800;font-size:.75rem;padding:4px 10px;border-radius:3px;letter-spacing:.04em}

/* tư vấn + review + faq */
.consult{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:40px;align-items:center;background:var(--bg2);border-radius:var(--r);padding:40px}
.revs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.rev{border:1px solid var(--line);border-radius:var(--r);padding:24px;margin:0;display:flex;flex-direction:column;gap:14px;background:#fff}
.rev .st{color:#F59E0B;letter-spacing:2px}
.rev q{quotes:"“" "”";color:var(--ink)}
.rev figcaption{margin-top:auto;display:flex;justify-content:space-between;font-size:.86rem;color:var(--mut)}.rev figcaption b{display:block;color:var(--ink)}
.faq{max-width:900px;margin:0 auto}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;padding:18px 0;font-weight:700;color:var(--ink);font-size:1.05rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary svg{color:var(--blue);transition:transform .3s;flex:none;margin-top:4px}
.faq details[open] summary svg{transform:rotate(45deg)}
.faq details p{color:var(--mut);padding-bottom:18px;margin:0}

/* trang con */
.pghead{position:relative;padding:56px 0 50px;background:var(--night);color:#C8D0DE;overflow:hidden}
.pghead.img::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,18,32,.92),rgba(11,18,32,.55))}
.pghead>img,.pghead>picture img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.pghead .wrap{position:relative;z-index:2}
.pghead h1{color:#fff;font-size:clamp(2rem,4.4vw,3.2rem);font-weight:300;letter-spacing:.02em;margin:10px 0 12px}
.pghead p{max-width:680px;margin:0;font-size:1.02rem}
.crumbs{display:flex;gap:8px;flex-wrap:wrap;list-style:none;padding:0;margin:0 0 14px;font-size:.84rem;color:#98A3B8}
.crumbs a{color:#98A3B8}.crumbs li+li::before{content:"/";margin-right:8px}
.page{padding:48px 0 100px}
.arts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.art{color:var(--ink);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff}
.art .ph{position:relative;aspect-ratio:16/10;overflow:hidden}.art .ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.art .b{padding:18px 20px 22px}.art h3{margin:8px 0}
.prose{max-width:780px}.prose p{font-size:1.05rem;line-height:1.85}.prose h2{font-size:1.6rem;margin:30px 0 10px}

/* footer */
.ftr{background:var(--night);color:#98A3B8;padding:64px 0 24px}
.ftr-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.ftr .logo .wm{color:#fff;border-color:var(--night-line)}.ftr .logo .dl b{color:#fff}
.ftr h4{color:#fff;font-size:.9rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}
.ftr a{display:block;color:#98A3B8;padding:4px 0;font-size:.93rem}.ftr a:hover{color:#fff}
.ftr p{font-size:.9rem}
.disc{border-top:1px solid var(--night-line);margin-top:40px;padding-top:16px;font-size:.8rem;line-height:1.6}
.ftr-bot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:10px;font-size:.82rem}.ftr-bot a{display:inline}
.float{position:fixed;right:18px;bottom:22px;z-index:70;display:grid;gap:10px}
.float a{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:1.3rem;box-shadow:0 10px 24px -8px rgba(0,0,0,.4)}
.float .z{background:var(--blue)}.float .c{background:var(--red);animation:ring 2.4s infinite}
@keyframes ring{0%,100%{box-shadow:0 0 0 0 rgba(224,38,46,.5)}60%{box-shadow:0 0 0 14px rgba(224,38,46,0)}}
.mbar{display:none}
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:var(--ink);color:#fff;border-radius:var(--r);padding:12px 18px;font-size:.9rem;opacity:0;transition:.3s;z-index:150;pointer-events:none}
.toast.on{opacity:1;transform:translate(-50%,0)}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
span.ph{display:block}

@media (max-width:1180px){.cars{grid-template-columns:repeat(3,minmax(0,1fr))}.nav a{padding:10px 8px;font-size:.86rem}.hdr-tel{display:none}}
@media (max-width:980px){
  .nav,.hdr .btn{display:none}.menu-btn{display:block}
  .cars,.why,.offers,.revs,.arts,.feats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tools4 .wrap,.bigs,.net{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tools4 a:nth-child(2){border-right:0}.tools4 a:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .bigs div:nth-child(2),.net div:nth-child(2){border-right:0}
  .split,.tool,.consult,.ftr-grid{grid-template-columns:minmax(0,1fr)}
  .plug{grid-template-columns:minmax(0,1fr)}
  .gal{grid-template-columns:1fr 1fr;grid-auto-rows:160px}.gal button:first-child{grid-column:span 2;grid-row:auto}
}
@media (max-width:640px){
  body{padding-bottom:60px}
  .wrap{width:calc(100% - 32px)}
  .hdr-in{height:60px}.subnav{top:60px}.subnav .btn{display:none}
  .logo .wm{font-size:1.05rem;letter-spacing:.26em}
  .hero{height:auto;aspect-ratio:3/4;min-height:0}
  .slide .in{top:7%}.slide .bot{bottom:52px}.hero .arr{display:none}
  .mhero{height:auto;aspect-ratio:3/4;min-height:0}
  .tools4{margin-top:0}.tools4 .wrap{width:100%;border-radius:0;box-shadow:none;border-bottom:1px solid var(--line)}
  .tools4 a{padding:16px 14px;gap:10px;font-size:.88rem}.tools4 .ic{width:36px;height:36px}.tools4 small{display:none}
  .cars{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px}
  .car .b{padding:12px}.car h3{font-size:1.1rem}.car .kv{display:none}.price b{font-size:1rem}.car .acts{grid-template-columns:1fr}.car .acts .btn.out{display:none}
  .why,.offers,.revs,.arts,.feats{grid-template-columns:minmax(0,1fr)}
  .stat3 b{font-size:1.7rem}.stat3 div{padding:4px 6px}
  .vtabs button{padding:10px 14px}
  .consult{padding:22px}
  .two,.big-out{grid-template-columns:minmax(0,1fr)}
  .duel .line{grid-template-columns:78px 1fr 100px;font-size:.82rem}
  .bill .tot b{font-size:1.6rem}
  .float{display:none}
  .mbar{display:grid;grid-template-columns:1fr 1fr 1.3fr;position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom,0px)}
  .mbar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:56px;color:var(--ink);font-size:.76rem;font-weight:700}
  .mbar .cta{background:var(--blue);color:#fff}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}

.slide .in .lab{display:block}
.price s:empty,.price s.x{visibility:hidden}
.subnav a.btn{color:#fff;border-bottom:1px solid var(--blue);padding:0 16px}
.seg-ctl label{position:relative;white-space:nowrap}.seg-ctl label input{position:absolute;opacity:0;pointer-events:none}
.seg-ctl label:has(input:focus-visible){outline:2px solid var(--blue);outline-offset:2px}
@media (max-width:640px){.mhero .bot,.slide .bot{padding:0 16px;gap:8px}.mhero .bot .btn,.slide .bot .btn{padding:0 14px;font-size:.78rem;min-height:44px}.stat3 span{font-size:.76rem}}