[hidden]{display:none!important}
@media(max-width:899px){.header{-webkit-backdrop-filter:none!important;backdrop-filter:none!important}}
*,*::before,*::after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.6;color:var(--ink);background:var(--bg);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}a{color:inherit}button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.2;font-family:var(--head)}p{margin:0 0 1em}ul,ol{margin:0;padding:0}
svg{width:1em;height:1em;fill:currentColor;flex:0 0 auto}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:8px;z-index:200;background:#000;color:#fff;padding:8px 12px}.skip:focus{left:8px}
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:3px solid var(--focus,#2563eb);outline-offset:2px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 20px;border-radius:var(--r-btn,10px);border:2px solid transparent;font-weight:600;text-decoration:none;cursor:pointer;line-height:1.2;text-align:center;transition:transform .15s,background .15s}
.btn:active{transform:translateY(1px)}.btn--sm{min-height:40px;padding:8px 14px;font-size:14px}.btn--block{width:100%}
.burger{display:none;width:44px;height:44px;border:0;background:transparent;cursor:pointer;padding:10px;flex-direction:column;justify-content:center;gap:5px}
.burger span{display:block;height:2px;background:currentColor;border-radius:2px;transition:.2s}
body.menu-open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}body.menu-open .burger span:nth-child(2){opacity:0}body.menu-open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}.field label,.field .lbl{font-weight:600;font-size:14px}
.field input,.field select,.field textarea{width:100%;min-height:46px;padding:10px 12px;border:1.5px solid var(--line-strong,#c8cdd6);border-radius:var(--r-in,8px);background:#fff;color:#16181d}
.field textarea{min-height:90px;resize:vertical}.field [aria-invalid=true]{border-color:#c62828}.err{color:#c62828;font-size:13px;min-height:0}
.form__ok{padding:12px 14px;border-radius:8px;background:#e8f5e9;color:#1b5e20;font-weight:500}.form__privacy{font-size:13px;color:var(--muted);margin:0}
.float{position:fixed;right:14px;bottom:18px;z-index:70;display:flex;flex-direction:column;gap:10px}
.float__btn{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;box-shadow:0 6px 18px rgba(0,0,0,.2);color:#fff}
.float__btn--zalo{background:#0068ff}.float__btn--zalo svg{width:34px;height:34px}.float__btn--call{background:#16a34a}.float__btn--call svg{width:24px;height:24px}
.demo-badge{position:fixed;left:12px;bottom:12px;z-index:60;font-size:12px;background:#111;color:#fff;padding:6px 10px;border-radius:6px;text-decoration:none}
.social{display:flex;gap:8px;margin-top:14px}.social a{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;border:1px solid currentColor;opacity:.85}.social svg{width:18px;height:18px}
details summary{cursor:pointer;list-style:none}details summary::-webkit-details-marker{display:none}
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
:root{--ink:#eef2f6;--bg:#0b0e12;--card:#12171d;--muted:#9aa6b2;--line:#1f2832;--line-strong:#35424f;--acc:#22d3ee;--acc-soft:#22d3ee;--acc-ink:#06222a;--pc:#22d3ee;--focus:#a5f3fc;--font:"Be Vietnam Pro",system-ui,sans-serif;--head:"Saira","Arial Narrow",sans-serif;--r-btn:4px;--r-in:4px;--r-card:6px;--r-chip:4px;--fbg:#07090c;--fink:#9aa6b2;--ok:#86efac}
body{background:var(--bg);color:var(--ink)}h1,h2,h3{font-family:var(--head);font-weight:700;letter-spacing:.005em;text-wrap:balance}h2{font-size:clamp(32px,4.4vw,52px);line-height:1.05}h3{font-size:20px;line-height:1.2}
.btn--s{background:var(--acc);color:#06222a;font-weight:700}.btn--s:hover{background:#67e8f9}.btn--g{border-color:var(--line-strong);color:var(--ink)}.btn--g:hover{border-color:var(--acc);color:var(--acc)}
.field input,.field select{background:#0b0e12;color:var(--ink);border-color:var(--line-strong)}.field label{color:var(--ink)}.err{color:#fca5a5}
.ow{font:600 13px var(--head);letter-spacing:.22em;text-transform:uppercase;color:var(--acc);margin-bottom:12px;display:flex;align-items:center;gap:10px}.ow::before{content:"";width:26px;height:2px;background:var(--acc)}
.top{background:#07090c;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}.top .container{display:flex;justify-content:space-between;gap:10px;padding-top:8px;padding-bottom:8px;flex-wrap:wrap}
.header{position:sticky;top:0;z-index:50;background:rgba(11,14,18,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}.header__inner{display:flex;align-items:center;gap:20px;min-height:72px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font:700 24px var(--head);text-transform:uppercase;letter-spacing:.06em;line-height:1}.logo i{width:34px;height:34px;background:var(--acc);color:#06222a;display:grid;place-items:center;font:700 20px var(--head);transform:skewX(-10deg);font-style:normal}.logo i b{transform:skewX(10deg)}
.nav{margin-left:auto;display:flex;align-items:center;gap:26px}.nav ul{display:flex;gap:26px;list-style:none}.nav ul a{text-decoration:none;font-weight:500;font-size:15px}.nav ul a:hover{color:var(--acc)}
.hero{position:relative;overflow:hidden;background:#07090c}.hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#0b0e12 0%,rgba(11,14,18,.65) 50%,rgba(11,14,18,.25) 100%),linear-gradient(0deg,#0b0e12,transparent 35%)}
.hero__g{position:relative;z-index:2;display:grid;gap:34px;padding-top:70px;padding-bottom:76px;align-items:center}.hero h1{font-size:clamp(44px,7vw,92px);line-height:.98;margin-bottom:18px;text-transform:uppercase}.hero h1 em{font-style:normal;color:var(--acc)}.hero p{font-size:18px;color:#cbd5df;max-width:520px}.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.fp{background:rgba(18,23,29,.92);border:1px solid var(--line-strong);border-top:3px solid var(--acc);border-radius:var(--r-card);padding:24px;max-width:440px;width:100%}.fp h2{font-size:26px;margin-bottom:4px}.fp p{font-size:14px;color:var(--muted);margin-bottom:14px}.fp .form{gap:12px}
.cat{display:grid;gap:1px;background:var(--line);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.cat a{background:var(--bg);padding:22px 20px;text-decoration:none;display:flex;justify-content:space-between;align-items:center;gap:10px;font:600 20px var(--head)}.cat a small{font:500 13px var(--font);color:var(--muted)}.cat a:hover{background:var(--card);color:var(--acc)}
.section{padding:86px 0}.sh{display:flex;flex-wrap:wrap;gap:20px;align-items:end;justify-content:space-between;margin-bottom:32px}.lead{color:var(--muted);font-size:18px;max-width:540px}
.tabs{display:flex;gap:8px;overflow-x:auto;max-width:100%}.tabs button{flex:0 0 auto;border:1px solid var(--line-strong);background:transparent;color:var(--ink);min-height:44px;padding:8px 18px;border-radius:4px;font:600 15px var(--head);letter-spacing:.04em;cursor:pointer}.tabs button[aria-pressed=true]{background:var(--acc);border-color:var(--acc);color:#06222a}
.pg{display:grid;gap:14px;grid-template-columns:repeat(2,minmax(0,1fr))}
.pcd{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;transition:border-color .2s}.pcd:hover{border-color:var(--acc)}.pcd img{width:100%;aspect-ratio:4/3;object-fit:cover}
.pcd__b{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px;flex:1}.pcd h3{margin:0}.pcd h3 a{text-decoration:none}.pcd h3 a::after{content:"";position:absolute;inset:0}.pcd ul{list-style:none;display:grid;gap:3px;font-size:13px;color:var(--muted)}.pcd li::before{content:"";display:inline-block;width:6px;height:6px;background:var(--acc);margin-right:8px;transform:rotate(45deg)}
.pcd__p{margin-top:auto;padding-top:10px;display:flex;gap:8px;align-items:baseline;flex-wrap:wrap}.pcd__p b{font:700 21px var(--head);color:var(--acc)}.pcd__p s{font-size:13px;color:var(--muted)}.pcd__p small{font-size:12px;color:var(--muted)}
.tg{position:absolute;top:10px;left:10px;z-index:2;background:var(--acc);color:#06222a;font:700 12px var(--head);letter-spacing:.06em;text-transform:uppercase;padding:3px 9px;border-radius:3px}
.wk{background:#07090c}.wk__g{display:grid;gap:36px;align-items:center}.wk img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--r-card)}.stp{list-style:none;display:grid;gap:0;counter-reset:s;margin-top:22px}.stp li{counter-increment:s;display:grid;grid-template-columns:54px 1fr;gap:14px;padding:16px 0;border-top:1px solid var(--line)}.stp li::before{content:counter(s,decimal-leading-zero);font:700 30px var(--head);color:var(--acc);line-height:1}.stp b{display:block;font-family:var(--head);font-size:19px}.stp span{color:var(--muted);font-size:15px}
.band{position:relative;overflow:hidden;min-height:340px;display:flex;align-items:center}.band>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5}.band::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#0b0e12 10%,transparent)}.band .container{position:relative;z-index:2;padding-top:56px;padding-bottom:56px}.band dl{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:22px 0 0;max-width:640px}.band dt{font:700 clamp(32px,5vw,54px) var(--head);color:var(--acc);line-height:1}.band dd{margin:4px 0 0;color:#cbd5df;font-size:14px}
.pt{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card)}.pt table{width:100%;border-collapse:collapse;min-width:560px}.pt th,.pt td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);font-size:15px}.pt th{font:600 14px var(--head);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.pt td:first-child{font-weight:600}.pt td b{color:var(--acc)}.pt tr:last-child td{border-bottom:0}
.bk{background:linear-gradient(180deg,#0b0e12,#0e1a1f)}.bk__g{display:grid;gap:30px;align-items:center}.bk .form{background:var(--card);border:1px solid var(--line-strong);border-radius:var(--r-card);padding:26px}.bk p{color:var(--muted);font-size:18px}
@media(min-width:700px){.pg{grid-template-columns:repeat(3,minmax(0,1fr))}.cat{grid-template-columns:repeat(4,1fr)}}
@media(min-width:1000px){.pg{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.hero__g{grid-template-columns:1.3fr 1fr;gap:60px;padding-top:96px;padding-bottom:104px}.fp{margin-left:auto}.wk__g{grid-template-columns:1fr 1fr;gap:72px}.bk__g{grid-template-columns:1fr 1fr;gap:70px}}
.dt{display:grid;gap:28px}.dt__im img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--line)}.dt h1{font-size:clamp(34px,4.4vw,56px);line-height:1.04;margin:6px 0 12px;text-transform:uppercase}.rc{background:var(--card)}.rc img{aspect-ratio:4/3}.rc a{font-family:var(--head);font-size:18px}.qty{background:var(--card)}
@media(min-width:900px){.dt{grid-template-columns:6fr 5fr;gap:56px;align-items:start}.dt__im{position:sticky;top:104px}}
@media(max-width:480px){.section{padding:60px 0}.band dl{grid-template-columns:1fr 1fr 1fr}.pcd__b{padding:12px}.pcd h3{font-size:17px}}
.opt{margin:20px 0}.opt__l{font-weight:700;margin-bottom:8px}.ad{display:grid;gap:8px}.ad label{display:flex;justify-content:space-between;gap:12px;align-items:center;border:1px solid var(--line-strong);border-radius:var(--r-card);padding:12px 14px;cursor:pointer;background:var(--card)}.ad input{accent-color:var(--acc);width:20px;height:20px;flex:0 0 auto}.ad span{flex:1}.ad b{color:var(--pc,var(--acc))}
.tot{display:flex;justify-content:space-between;align-items:center;gap:12px;border-top:1px solid var(--line-strong);margin-top:20px;padding-top:18px}.tot b{font:700 30px var(--head);color:var(--pc,var(--acc))}.buy{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:16px}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 16px}.tags span{border:1px solid var(--line-strong);border-radius:var(--r-chip,999px);padding:5px 14px;font-size:14px}.al{font-size:14px;color:var(--muted);border-left:3px solid var(--acc);padding-left:12px;margin-top:14px}
.dpr{display:flex;gap:12px;align-items:baseline;margin-bottom:14px}.dpr b{font:700 38px var(--head);color:var(--pc,var(--acc))}.dpr s{color:var(--muted);font-size:18px}.dd{color:var(--muted);font-size:18px}
.footer{background:var(--fbg);color:var(--fink);padding:64px 0 0;margin-top:0}.footer a{color:inherit;text-decoration:none}.footer a:hover{text-decoration:underline}
.footer__grid{display:grid;gap:32px;padding-bottom:40px}.footer__title{font-size:16px;margin-bottom:12px;color:var(--fhead,#fff)}.footer__links{list-style:none;display:grid;gap:8px;font-size:15px}
.footer__bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 20px;border-top:1px solid rgba(255,255,255,.14);padding-top:18px;padding-bottom:70px;font-size:13px;opacity:.85}.footer__bottom p{margin:0}
@media(min-width:900px){.footer__grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.bc{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--muted);padding:22px 0}.bc a{text-decoration:none}.bc a:hover{text-decoration:underline}
.toast{min-height:0;margin-top:12px;font-weight:600;color:var(--ok,#166534)}.toast:empty{display:none}
.spec{width:100%;border-collapse:collapse;margin-top:8px}.spec th,.spec td{text-align:left;padding:11px 0;border-bottom:1px solid var(--line);vertical-align:top}.spec th{width:44%;font-weight:600;color:var(--muted)}
.qty{display:inline-flex;align-items:center;border:1.5px solid var(--line-strong);border-radius:10px;overflow:hidden}.qty button{width:44px;height:44px;border:0;background:transparent;font-size:20px;cursor:pointer}.qty input{width:56px;height:44px;border:0;text-align:center;font-weight:700;-moz-appearance:textfield;background:transparent}.qty input::-webkit-inner-spin-button{-webkit-appearance:none}
.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{position:relative}.chip input{position:absolute;opacity:0;width:1px;height:1px}.chip span{display:inline-flex;align-items:center;min-height:42px;padding:8px 14px;border:1.5px solid var(--line-strong);border-radius:var(--r-chip,999px);cursor:pointer;font-weight:600;font-size:15px;line-height:1.2}.chip input:checked+span{border-color:var(--acc);background:var(--acc-soft);color:var(--acc-ink,inherit)}.chip input:focus-visible+span{outline:3px solid var(--focus);outline-offset:2px}.chip input:disabled+span{opacity:.4;cursor:not-allowed;text-decoration:line-through}
.faq{max-width:820px;margin:28px auto 0;display:grid;gap:10px}.faq details{border:1px solid var(--line);border-radius:var(--r-card,12px);padding:0 18px;background:var(--card,#fff)}.faq summary{padding:16px 28px 16px 0;font-weight:700;position:relative}.faq summary::after{content:"+";position:absolute;right:0;top:12px;font-size:22px;color:var(--acc)}.faq details[open] summary::after{content:"−"}.faq p{color:var(--muted)}
.rel{display:grid;gap:16px;grid-template-columns:repeat(2,minmax(0,1fr))}@media(min-width:900px){.rel{grid-template-columns:repeat(4,minmax(0,1fr))}}
.rc{border:1px solid var(--line);border-radius:var(--r-card,12px);overflow:hidden;background:var(--card,#fff)}.rc img{width:100%;aspect-ratio:1;object-fit:cover}.rc div{padding:12px}.rc a{display:block;font-weight:700;text-decoration:none;line-height:1.3}.rc a:hover{color:var(--acc)}.rc b{display:block;margin-top:4px;color:var(--acc-ink,var(--acc))}
.form{display:grid;gap:14px}.row2{display:grid;gap:12px;grid-template-columns:1fr}@media(min-width:560px){.row2{grid-template-columns:1fr 1fr}}
@media(max-width:899px){.burger{display:flex;margin-left:auto;position:relative;z-index:61}.nav{position:fixed;inset:0 0 0 auto;width:min(320px,86vw);background:#0b0e12;flex-direction:column;align-items:stretch;padding:90px 24px 24px;gap:18px;transform:translateX(100%);visibility:hidden;transition:transform .25s,visibility .25s;z-index:60;box-shadow:-10px 0 40px rgba(0,0,0,.2);overflow-y:auto}
body.menu-open .nav{transform:none;visibility:visible}.nav ul{flex-direction:column;gap:2px}.nav ul a{display:block;padding:12px 0;font-size:18px;border-bottom:1px solid #1f2832}}