[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:#10282f;--bg:#fbf8f3;--cream:#f3ece0;--pri:#0f4c5c;--pri-d:#0a3843;--acc:#f2b84b;--muted:#556a70;--line:#e5ddd0;--line-strong:#cbbfae;--font:"Plus Jakarta Sans",system-ui,sans-serif;--head:"Plus Jakarta Sans",system-ui,sans-serif;--r-btn:999px;--r-in:12px;--focus:#0f4c5c}
h1,h2,h3{font-weight:800;letter-spacing:-.02em}
.btn--pri{background:var(--pri);color:#fff}.btn--pri:hover{background:var(--pri-d)}.btn--acc{background:var(--acc);color:var(--ink)}.btn--acc:hover{background:#e5a730}.btn--line{border-color:var(--ink);color:var(--ink);background:transparent}.btn--line:hover{background:var(--ink);color:#fff}
.topbar{background:var(--pri);color:#e6f0f2;font-size:13px;text-align:center;padding:7px 12px}.topbar b{color:var(--acc)}
.header{position:sticky;top:0;z-index:50;background:rgba(251,248,243,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.header__inner{display:flex;align-items:center;gap:18px;min-height:68px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:20px;letter-spacing:-.02em}.logo__mark{width:40px;height:40px;border-radius:50%;background:var(--pri);color:var(--acc);display:grid;place-items:center}.logo__mark svg{width:26px;height:26px}
.nav{margin-left:auto;display:flex;align-items:center;gap:24px}.nav ul{display:flex;gap:24px;list-style:none}.nav a{text-decoration:none;font-weight:500;font-size:15px}.nav ul a:hover{color:var(--pri)}
.cart{position:relative;width:44px;height:44px;border-radius:50%;border:1.5px solid var(--line-strong);display:grid;place-items:center;text-decoration:none}.cart svg{width:20px;height:20px}.cart b{position:absolute;top:-4px;right:-4px;background:var(--acc);border-radius:999px;font-size:11px;min-width:20px;height:20px;display:grid;place-items:center}
.hero{padding:28px 0 60px}.hero__grid{display:grid;gap:28px;align-items:center}
.hero h1{font-size:clamp(36px,6vw,68px);line-height:1.02;margin-bottom:18px}.hero h1 em{font-style:normal;color:var(--pri);background:linear-gradient(transparent 62%,#f9dc9a 62%)}
.hero__lead{font-size:18px;color:var(--muted);max-width:520px}.hero__cta{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}
.hero__facts{display:flex;flex-wrap:wrap;gap:20px;list-style:none;font-size:14px;color:var(--muted)}.hero__facts b{display:block;font-size:24px;color:var(--ink)}
.hero__img{position:relative}.hero__img img{width:100%;border-radius:200px 200px 28px 28px;aspect-ratio:4/5;object-fit:cover}
.hero__tag{position:absolute;left:-6px;bottom:28px;background:#fff;border-radius:18px;padding:12px 16px;box-shadow:0 14px 36px rgba(16,40,47,.16);font-size:14px;max-width:230px}.hero__tag b{display:block;color:var(--pri)}
.section{padding:72px 0}.section--cream{background:var(--cream)}.sec-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:28px}.sec-head h2{font-size:clamp(28px,4vw,44px);margin:0}.sec-head p{color:var(--muted);margin:6px 0 0;max-width:520px}
.eyebrow{display:block;font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--pri);margin-bottom:8px}
.filters{display:flex;gap:8px;flex-wrap:wrap}.filters button{border:1.5px solid var(--line-strong);background:#fff;border-radius:999px;padding:9px 16px;font-weight:600;cursor:pointer;min-height:44px}.filters button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:#fff}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.card{position:relative;background:#fff;border-radius:22px;overflow:hidden;border:1px solid var(--line);display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(16,40,47,.1)}
.card img{aspect-ratio:1;object-fit:cover;width:100%;background:var(--cream)}.card__b{padding:12px 14px 16px;display:flex;flex-direction:column;gap:4px;flex:1}.card h3{font-size:16px;margin:0}.card h3 a{text-decoration:none}.card h3 a::after{content:"";position:absolute;inset:0}
.card .meta{font-size:13px;color:var(--muted)}.card .price{font-weight:800;color:var(--pri);margin-top:auto;padding-top:6px}.sw{display:flex;gap:5px}.sw i{width:14px;height:14px;border-radius:50%;border:1px solid rgba(0,0,0,.15)}
.badge{position:absolute;top:10px;left:10px;background:var(--acc);border-radius:999px;font-size:12px;font-weight:700;padding:4px 10px;z-index:1}
.face{display:grid;gap:22px;align-items:center}.face__btns{display:grid;grid-template-columns:1fr 1fr;gap:10px}.face__btns button{border:1.5px solid var(--line-strong);background:#fff;border-radius:18px;padding:16px;font-weight:700;cursor:pointer;min-height:60px;text-align:left}.face__btns button[aria-pressed=true]{border-color:var(--pri);box-shadow:inset 0 0 0 1.5px var(--pri);background:#eef5f6}
.face__ans{background:var(--pri);color:#e6f0f2;border-radius:26px;padding:26px;display:flex;flex-direction:column;gap:10px;min-height:220px}.face__ans h3{color:#fff;font-size:24px;margin:0}.face__ans p{margin:0}.face__ans a{align-self:flex-start}
.lens{display:grid;gap:12px;list-style:none}.lens li{display:flex;justify-content:space-between;gap:12px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px}.lens b{display:block}.lens small{color:var(--muted)}.lens span:last-child{font-weight:800;color:var(--pri);white-space:nowrap}
.exam{display:grid;gap:26px;align-items:center}.exam img{width:100%;border-radius:28px;aspect-ratio:4/3;object-fit:cover}
.form{background:#fff;border-radius:26px;padding:22px;border:1px solid var(--line);display:grid;gap:12px}.form h3{font-size:22px;margin:0}.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.stores{display:grid;gap:14px}.store{background:#fff;border-radius:22px;border:1px solid var(--line);overflow:hidden}.store img{aspect-ratio:16/9;object-fit:cover;width:100%}.store div{padding:16px 18px}.store h3{font-size:18px;margin:0 0 4px}.store p{margin:0;font-size:14px;color:var(--muted)}
.faq{display:grid;gap:10px;max-width:820px}.faq details{background:#fff;border-radius:18px;border:1px solid var(--line);padding:0 20px}.faq summary{padding:16px 30px 16px 0;font-weight:700;position:relative}.faq summary::after{content:"+";position:absolute;right:0;top:12px;font-size:22px;color:var(--pri)}.faq details[open] summary::after{content:"−"}.faq details p{margin:0 0 16px;color:var(--muted)}
.footer{background:var(--ink);color:#b7c8cc;padding:56px 0 0;font-size:15px}.footer .logo{color:#fff}.footer__grid{display:grid;gap:28px}.footer__title{color:#fff;font-size:16px}.footer__links{list-style:none;display:grid;gap:8px}.footer__links a{text-decoration:none}.footer__links a:hover{color:var(--acc)}
.footer__bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:18px;padding-bottom:90px;font-size:13px}.footer__bottom p{margin:0}
/* detail */
.bc{font-size:14px;display:flex;gap:6px;flex-wrap:wrap;padding:18px 0}.bc a{color:var(--pri)}
.pd{display:grid;gap:28px;padding-bottom:56px}.pd>*{min-width:0}.pd__img{background:#fff;border-radius:28px;border:1px solid var(--line);overflow:hidden}.pd__img img{width:100%;aspect-ratio:1;object-fit:cover}
.pd h1{font-size:clamp(30px,4.4vw,46px);margin-bottom:6px}.pd__price{font-size:28px;font-weight:800;color:var(--pri);margin:8px 0 14px}.pd__lead{color:var(--muted)}
.opt{border:0;padding:0;margin:0 0 16px}.opt legend{font-weight:700;margin-bottom:8px}.opt label{position:relative;display:inline-block;margin:0 6px 6px 0}.opt input{position:absolute;opacity:0}
.opt .c span{display:flex;align-items:center;gap:8px;border:1.5px solid var(--line-strong);border-radius:999px;padding:7px 14px 7px 8px;font-size:14px;cursor:pointer;background:#fff}.opt .c i{width:18px;height:18px;border-radius:50%;border:1px solid rgba(0,0,0,.2)}
.opt input:checked+span{border-color:var(--pri);box-shadow:inset 0 0 0 1.5px var(--pri)}.opt input:focus-visible+span{outline:3px solid var(--pri);outline-offset:2px}
.opt .l{display:block;margin:0 0 8px}.opt .l>span{display:flex;justify-content:space-between;gap:10px;border:1.5px solid var(--line-strong);border-radius:16px;padding:12px 14px;cursor:pointer;background:#fff}.opt .l small{display:block;color:var(--muted);font-weight:400}.opt .l b{white-space:nowrap;color:var(--pri)}
.total{display:flex;justify-content:space-between;align-items:center;background:var(--ink);color:#fff;border-radius:18px;padding:14px 18px;margin:6px 0 12px}.total b{font-size:26px;color:var(--acc)}
.specs{width:100%;border-collapse:collapse;font-size:15px}.specs th,.specs td{text-align:left;padding:11px 0;border-bottom:1px solid var(--line)}.specs th{color:var(--muted);font-weight:500;width:45%}
.added{background:#e8f5e9;color:#1b5e20;border-radius:12px;padding:10px 14px;font-weight:600}
@media(min-width:640px){.grid{grid-template-columns:repeat(3,1fr)}.stores{grid-template-columns:repeat(3,1fr)}}
@media(min-width:900px){.hero__grid{grid-template-columns:1.05fr .95fr;gap:56px}.grid{grid-template-columns:repeat(4,1fr);gap:18px}.face{grid-template-columns:1fr 1fr;gap:40px}.exam{grid-template-columns:1fr 1fr;gap:48px}.footer__grid{grid-template-columns:1.4fr 1fr 1fr}.pd{grid-template-columns:1.1fr 1fr;gap:56px}.pd__img{position:sticky;top:90px;align-self:start}.lensw{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}}
@media(max-width:899px){.burger{display:flex}.nav{position:fixed;inset:0 0 0 auto;width:min(320px,86vw);background:var(--bg);flex-direction:column;align-items:stretch;padding:90px 24px 24px;gap:18px;transform:translateX(100%);transition:transform .25s;box-shadow:-10px 0 40px rgba(0,0,0,.15);z-index:60}
body.menu-open .nav{transform:none}.nav ul{flex-direction:column;gap:4px}.nav ul a{display:block;padding:12px 0;font-size:18px;border-bottom:1px solid var(--line)}.burger{position:relative;z-index:61}.header__inner{gap:10px}}
@media(max-width:480px){.container{padding:0 16px}.row2{grid-template-columns:1fr}.hero__tag{left:8px;bottom:14px}.card__b{padding:10px 12px 14px}.card h3{font-size:15px}.face__btns button{padding:12px}}