:root{
  --bg:#050b14; --bg2:#0a1524; --panel:rgba(14,30,50,.62); --line:rgba(120,220,255,.14);
  --text:#e6f3ff; --muted:#8aa3bd; --cyan:#3ee6ff; --mint:#3dffb0; --blue:#3d7bff;
  --red:#ff4d6d; --amber:#ffb547; --grey:#a9b4c2; --violet:#9b7bff;
  --radius:18px;
  color-scheme:dark;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:"Be Vietnam Pro",system-ui,sans-serif;line-height:1.6;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;z-index:-2;
  background:radial-gradient(900px 600px at 85% -10%,rgba(61,123,255,.22),transparent 60%),
             radial-gradient(700px 500px at -10% 30%,rgba(62,230,255,.12),transparent 60%),
             radial-gradient(600px 500px at 60% 110%,rgba(61,255,176,.10),transparent 60%),var(--bg)}
body::after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;mask-image:radial-gradient(ellipse at 50% 0%,#000 20%,transparent 75%);opacity:.5}
a{color:inherit;text-decoration:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
h1,h2,h3,.disp{font-family:"Chakra Petch",sans-serif;letter-spacing:.01em;line-height:1.15}
.eyebrow{font-family:"Chakra Petch";font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;color:var(--cyan);display:inline-flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--cyan)}
.grad{background:linear-gradient(90deg,var(--cyan),var(--mint));-webkit-background-clip:text;background-clip:text;color:transparent}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);backdrop-filter:blur(14px)}
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 22px;border-radius:999px;font-weight:600;font-size:.95rem;border:1px solid transparent;cursor:pointer;transition:.25s;font-family:inherit}
.btn-pri{background:linear-gradient(90deg,var(--cyan),var(--mint));color:#04121c;box-shadow:0 0 30px rgba(62,230,255,.35)}
.btn-pri:hover{transform:translateY(-2px);box-shadow:0 0 44px rgba(62,230,255,.55)}
.btn-ghost{border-color:var(--line);color:var(--text);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
section{padding:110px 0;position:relative}
.sec-head{max-width:720px;margin-bottom:52px}
.sec-head h2{font-size:clamp(1.9rem,4vw,2.9rem);margin:14px 0 14px}
.sec-head p{color:var(--muted);font-size:1.05rem}

/* NAV */
header{position:fixed;top:0;padding-top:env(safe-area-inset-top,0px);left:0;right:0;z-index:50;transition:.3s}
header.scrolled{background:rgba(5,11,20,.82);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{display:flex;align-items:center;gap:10px;font-family:"Chakra Petch";font-weight:700;font-size:1.35rem}
.logo-mark{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--cyan),var(--blue));box-shadow:0 0 22px rgba(62,230,255,.5)}
.logo small{display:block;font-size:.58rem;letter-spacing:.2em;color:var(--muted);font-weight:500;margin-top:-4px}
.menu{display:flex;gap:28px;font-size:.92rem;color:var(--muted)}
.menu a:hover{color:var(--cyan)}
.nav-cta{display:flex;align-items:center;gap:14px}
.hotline{font-family:"Chakra Petch";font-size:.95rem;color:var(--mint);display:flex;align-items:center;gap:8px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 0 rgba(61,255,176,.7);animation:ping 1.8s infinite}
@keyframes ping{70%{box-shadow:0 0 0 10px rgba(61,255,176,0)}100%{box-shadow:0 0 0 0 rgba(61,255,176,0)}}
.burger{display:none;background:none;border:1px solid var(--line);color:var(--text);border-radius:10px;width:42px;height:42px;cursor:pointer;font-size:1.2rem}

/* HERO */
.hero{padding:140px 0 60px;display:flex;align-items:center}
.hero-grid{display:grid;grid-template-columns:1.02fr 1fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(2.4rem,5.4vw,4.2rem);margin:22px 0}
.hero p.lead{color:var(--muted);font-size:1.12rem;max-width:540px}
.hero-ctas{display:flex;gap:14px;margin:34px 0 44px;flex-wrap:wrap}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:540px}
.stat{padding:16px 18px}
.stat b{font-family:"Chakra Petch";font-size:1.7rem;display:block;color:var(--cyan)}
.stat span{font-size:.78rem;color:var(--muted)}

.twin{position:relative;padding:18px}
.twin-top{display:flex;justify-content:space-between;align-items:center;font-size:.78rem;color:var(--muted);margin-bottom:10px;font-family:"Chakra Petch";letter-spacing:.1em}
.twin-top .live{color:var(--red);display:flex;gap:8px;align-items:center}
.twin-top .live i{width:8px;height:8px;border-radius:50%;background:var(--red);animation:blink 1s infinite}
@keyframes blink{50%{opacity:.2}}
.twin svg{width:100%;height:auto;display:block}
.legend{display:flex;flex-wrap:wrap;gap:14px;margin-top:12px;font-size:.75rem;color:var(--muted)}
.legend span{display:flex;align-items:center;gap:6px}
.legend i{width:10px;height:10px;border-radius:3px;display:inline-block}
.feed{margin-top:14px;height:96px;overflow:hidden;border-top:1px solid var(--line);padding-top:10px;font-size:.8rem;font-family:"Chakra Petch"}
.feed div{display:flex;gap:10px;padding:3px 0;animation:fadeIn .5s}
.feed time{color:var(--muted);min-width:62px}
@keyframes fadeIn{from{opacity:0;transform:translateY(-6px)}}

/* SOLUTION GRID */
.sol-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.sol{padding:26px 22px;cursor:pointer;transition:.3s;position:relative;overflow:hidden}
.sol::after{content:"";position:absolute;inset:auto -40% -60% auto;width:180px;height:180px;border-radius:50%;background:var(--c);filter:blur(60px);opacity:.15;transition:.3s}
.sol:hover{transform:translateY(-6px);border-color:var(--c)}
.sol:hover::after{opacity:.35}
.sol .ic{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:color-mix(in srgb,var(--c) 16%,transparent);color:var(--c);margin-bottom:18px}
.sol .num{position:absolute;top:18px;right:20px;font-family:"Chakra Petch";color:var(--muted);font-size:.8rem}
.sol h3{font-size:1.05rem;margin-bottom:8px}
.sol p{font-size:.85rem;color:var(--muted)}

/* NURSE CALL */
.nc-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.codes{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0 30px}
.code{padding:8px 14px;border-radius:999px;font-size:.82rem;font-weight:600;border:1px solid;display:flex;gap:8px;align-items:center}
.code i{width:8px;height:8px;border-radius:50%;background:currentColor}
.scen{display:flex;flex-direction:column;gap:12px}
.scen button{all:unset;cursor:pointer;padding:18px 20px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.02);display:flex;gap:16px;align-items:flex-start;transition:.25s}
.scen button:hover{border-color:rgba(62,230,255,.4)}
.scen button.on{border-color:var(--cyan);background:rgba(62,230,255,.07)}
.scen b{font-family:"Chakra Petch";color:var(--cyan);font-size:1.1rem}
.scen h4{font-size:1rem;margin-bottom:4px}
.scen p{font-size:.86rem;color:var(--muted)}
.sim{padding:28px}
.sim h3{font-size:1.2rem;margin-bottom:6px}
.sim .sub{color:var(--muted);font-size:.88rem;margin-bottom:24px}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:26px;position:relative}
.node{text-align:center;padding:16px 8px;border-radius:14px;border:1px solid var(--line);font-size:.78rem;color:var(--muted);transition:.35s;background:rgba(255,255,255,.02)}
.node svg{display:block;margin:0 auto 8px;opacity:.6;transition:.35s}
.node.lit{border-color:var(--hl,var(--cyan));color:var(--text);box-shadow:0 0 24px color-mix(in srgb,var(--hl,var(--cyan)) 40%,transparent);background:color-mix(in srgb,var(--hl,var(--cyan)) 10%,transparent)}
.node.lit svg{opacity:1;color:var(--hl,var(--cyan))}
.call-btn{width:120px;height:120px;border-radius:50%;margin:0 auto;display:grid;place-items:center;cursor:pointer;border:none;font-family:"Chakra Petch";font-weight:700;font-size:1rem;color:#fff;
  background:radial-gradient(circle at 35% 30%,#ff8fa3,var(--red));box-shadow:0 0 0 10px rgba(255,77,109,.12),0 0 40px rgba(255,77,109,.5);transition:.2s}
.call-btn:active{transform:scale(.95)}
.call-btn.pulse{animation:callp 1s 3}
@keyframes callp{50%{box-shadow:0 0 0 26px rgba(255,77,109,0),0 0 60px rgba(255,77,109,.8)}}
.sim-status{text-align:center;margin-top:18px;font-family:"Chakra Petch";font-size:.9rem;color:var(--muted);min-height:24px}
.prod-list{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px;margin-top:28px}
.prod-list div{padding:16px;font-size:.85rem}
.prod-list b{display:block;font-family:"Chakra Petch";margin-bottom:4px}
.prod-list span{color:var(--muted)}


/* SYSCALL */
.sc-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}
.sc-tabs button{font-family:"Chakra Petch";font-size:.92rem;font-weight:600;padding:11px 18px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.02);color:var(--muted);cursor:pointer;display:flex;align-items:center;gap:8px;transition:.25s}
.sc-tabs button i{width:9px;height:9px;border-radius:50%;background:var(--tc)}
.sc-tabs button:hover{color:var(--text)}
.sc-tabs button[aria-selected="true"]{color:var(--text);border-color:var(--tc);background:color-mix(in srgb,var(--tc) 12%,transparent);box-shadow:0 0 22px color-mix(in srgb,var(--tc) 30%,transparent)}
.sc-tabs button:focus-visible,.call-btn:focus-visible,.scen button:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.sc-body{display:grid;grid-template-columns:1.05fr 1fr;gap:24px;padding:30px}
.sc-body > *{min-width:0}
.sc-body h3{font-size:1.5rem;margin:10px 0 10px}
.sc-body .sc-lead{color:var(--muted);font-size:.95rem;margin-bottom:20px}
.sc-kicker{font-family:"Chakra Petch";font-size:.75rem;letter-spacing:.18em;text-transform:uppercase;color:var(--tc)}
.sc-h{font-family:"Chakra Petch";font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:18px 0 10px}
.sc-parts{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.sc-parts div{padding:10px 12px;border-radius:10px;border:1px solid var(--line);font-size:.84rem;background:rgba(255,255,255,.02);display:flex;gap:9px;align-items:flex-start}
.sc-parts div::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--tc);box-shadow:0 0 8px var(--tc);margin-top:8px;flex:none}
.sc-use{display:flex;flex-wrap:wrap;gap:8px}
.sc-use span{font-size:.8rem;padding:6px 12px;border-radius:999px;border:1px solid color-mix(in srgb,var(--tc) 40%,transparent);color:var(--tc)}
.sc-flow{border-radius:14px;border:1px solid var(--line);background:rgba(5,11,20,.5);padding:18px}
.sc-flow svg{width:100%;height:auto;display:block}
.sc-steps{list-style:none;counter-reset:st;margin-top:14px;display:grid;gap:8px}
.sc-steps li{counter-increment:st;font-size:.86rem;color:var(--muted);display:flex;gap:12px;padding:10px 12px;border-radius:10px;transition:.3s}
.sc-steps li::before{content:counter(st);font-family:"Chakra Petch";color:var(--tc);font-weight:700;min-width:16px}
.sc-steps li.on{background:color-mix(in srgb,var(--tc) 10%,transparent);color:var(--text)}
.sc-why{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:20px}
.sc-why div{padding:18px}
.sc-why b{display:block;font-family:"Chakra Petch";margin-bottom:4px}
.sc-why span{font-size:.82rem;color:var(--muted)}
.sc-note{font-size:.8rem;color:var(--muted);margin-top:14px}
@media (max-width:900px){.sc-body{grid-template-columns:1fr;padding:22px}.sc-why{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.sc-parts,.sc-why{grid-template-columns:1fr}.sc-tabs button{flex:1 1 45%;justify-content:center}}

/* TELELIFT */
.tl-wrap{display:grid;grid-template-columns:1.1fr 1fr;gap:28px}
.track{padding:24px;overflow:hidden}
.track svg{width:100%;height:auto}
.carries{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.carries span{font-size:.8rem;padding:6px 12px;border-radius:999px;background:rgba(61,255,176,.08);color:var(--mint);border:1px solid rgba(61,255,176,.25)}
.cars{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.car{padding:24px;position:relative}
.car .tag{position:absolute;top:18px;right:18px;font-size:.7rem;padding:4px 10px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
.car h3{font-size:1.35rem;margin-bottom:16px}
.spec{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px dashed var(--line);font-size:.86rem}
.spec span{color:var(--muted)}
.spec b{font-family:"Chakra Petch"}
.bar{height:6px;border-radius:6px;background:rgba(255,255,255,.06);margin:4px 0 12px;overflow:hidden}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--cyan),var(--mint));border-radius:6px}
.car ul{list-style:none;margin-top:14px;font-size:.82rem;color:var(--muted)}
.car li{padding:3px 0 3px 18px;position:relative}
.car li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:2px;background:var(--cyan)}
.feats{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:28px}
.feat{padding:20px}
.feat h4{font-size:.95rem;margin:12px 0 6px;font-family:"Chakra Petch"}
.feat p{font-size:.8rem;color:var(--muted)}
.feat .ic{color:var(--mint)}

/* AIRTUBE + CALIBRATION */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.duo > .panel{padding:34px}
.duo h3{font-size:1.6rem;margin:14px 0 12px}
.duo p{color:var(--muted);font-size:.95rem}
.tube-vis{margin:26px 0 8px;height:110px;position:relative}
.tube-vis svg{width:100%;height:100%}
.cal-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:22px}
.cal-list div{padding:12px 14px;border-radius:12px;border:1px solid var(--line);font-size:.85rem;display:flex;gap:10px;align-items:center;transition:.2s;background:rgba(255,255,255,.02)}
.cal-list div:hover{border-color:var(--violet)}
.cal-list i{width:6px;height:6px;border-radius:50%;background:var(--violet);box-shadow:0 0 8px var(--violet);flex:none}

/* TOUR GUIDE */
.tg-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.tg{padding:26px;transition:.3s}
.tg:hover{border-color:var(--amber);transform:translateY(-4px)}
.tg .ic{color:var(--amber);margin-bottom:16px}
.tg h4{font-family:"Chakra Petch";font-size:1.02rem;margin-bottom:8px}
.tg p{font-size:.85rem;color:var(--muted)}
.wave{display:flex;gap:4px;align-items:center;height:30px;margin-top:18px}
.wave i{width:4px;border-radius:4px;background:var(--amber);animation:wv 1.2s ease-in-out infinite}
@keyframes wv{0%,100%{height:6px}50%{height:28px}}

/* VISION */
.road{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative}
.road::before{content:"";position:absolute;top:34px;left:6%;right:6%;height:1px;background:linear-gradient(90deg,var(--cyan),var(--violet),var(--mint))}
.step{padding:76px 22px 26px;position:relative}
.step .yr{position:absolute;top:18px;left:22px;font-family:"Chakra Petch";font-size:.85rem;padding:6px 12px;border-radius:999px;background:var(--bg2);border:1px solid var(--cyan);color:var(--cyan)}
.step h4{font-family:"Chakra Petch";font-size:1.08rem;margin-bottom:8px}
.step p{font-size:.85rem;color:var(--muted)}
.vnote{margin-top:18px;font-size:.8rem;color:var(--muted)}

/* CONTACT */
.ct-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:28px}
.ct-info{padding:34px}
.ct-item{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.ct-item:last-child{border:none}
.ct-item .ic{color:var(--cyan);flex:none;margin-top:2px}
.ct-item span{display:block;font-size:.78rem;color:var(--muted)}
form{padding:34px;display:grid;grid-template-columns:1fr 1fr;gap:14px}
form .full{grid-column:1/-1}
label{font-size:.8rem;color:var(--muted);display:block;margin-bottom:6px}
input,select,textarea{width:100%;background:rgba(255,255,255,.03);border:1px solid var(--line);color:var(--text);border-radius:12px;padding:12px 14px;font-family:inherit;font-size:.92rem;outline:none;transition:.2s}
input:focus,select:focus,textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(62,230,255,.12)}
select option{background:var(--bg2)}
textarea{min-height:110px;resize:vertical}

footer{border-top:1px solid var(--line);padding:40px 0;color:var(--muted);font-size:.84rem}
.foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px}
.foot nav{display:flex;gap:22px;flex-wrap:wrap}
.foot a:hover{color:var(--cyan)}

.reveal{transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.pre{transform:translateY(18px)}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.form-out{grid-column:1/-1;display:none;padding:16px;border-radius:12px;border:1px solid rgba(61,255,176,.35);background:rgba(61,255,176,.06);font-size:.88rem;white-space:pre-wrap}
.form-out.show{display:block}

@media (max-width:1080px){
  .sol-grid{grid-template-columns:repeat(3,1fr)}
  .feats{grid-template-columns:repeat(3,1fr)}
  .tg-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .menu,.hotline{display:none}
  .burger{display:block}
  .menu.open{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;background:rgba(5,11,20,.97);padding:20px 24px;border-bottom:1px solid var(--line)}
  .hero-grid,.nc-grid,.tl-wrap,.duo,.ct-grid{grid-template-columns:1fr}
  .road{grid-template-columns:1fr 1fr}
  .road::before{display:none}
  section{padding:80px 0}
}
@media (max-width:600px){
  .wrap{padding:0 16px}
  .sol-grid,.feats,.tg-grid,.road,.cars,.cal-list,.prod-list{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr 1fr;gap:8px}
  .stat{padding:12px}
  .stat b{font-size:1.25rem}
  .flow{grid-template-columns:1fr 1fr}
  form{grid-template-columns:1fr;padding:24px}
  .nav-cta .btn{display:none}
}

/* ===================== CÁC TRANG CON ===================== */
.menu a.active{color:var(--cyan)}
.page-hero{padding:130px 0 40px}
.page-hero h1{font-size:clamp(2rem,4.4vw,3.2rem);margin:14px 0 12px;text-wrap:balance}
.page-hero .lead{color:var(--muted);font-size:1.05rem;max-width:720px}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:.82rem;color:var(--muted);margin-bottom:6px}
.crumbs a:hover{color:var(--cyan)}
.crumbs span.sep{opacity:.5}
section.tight{padding:40px 0 90px}

.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pcard{display:flex;flex-direction:column;overflow:hidden;transition:.3s}
.pcard:hover{transform:translateY(-5px);border-color:var(--c)}
.pcard-img{aspect-ratio:16/10;display:grid;place-items:center;background:radial-gradient(circle at 50% 120%,color-mix(in srgb,var(--c) 26%,transparent),transparent 70%),rgba(255,255,255,.02);color:var(--c);border-bottom:1px solid var(--line);max-width:100%}
.pcard-img img{width:100%;height:100%;object-fit:cover}
.pcard-body{padding:20px;display:flex;flex-direction:column;gap:6px;flex:1}
.pcard-meta{font-family:"Chakra Petch";font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--c)}
.pcard h3{font-size:1.05rem}
.pcard p{font-size:.86rem;color:var(--muted);flex:1}
.pcard .more{font-size:.82rem;color:var(--c);display:inline-flex;gap:6px;align-items:center;margin-top:6px}

.filters{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:28px}
.chip{font-size:.85rem;padding:8px 16px;border-radius:999px;border:1px solid var(--line);color:var(--muted);background:rgba(255,255,255,.02);transition:.2s}
.chip:hover{color:var(--text);border-color:rgba(62,230,255,.4)}
.chip.on{color:#04121c;background:var(--cyan);border-color:var(--cyan);font-weight:600}
.searchbox{display:flex;align-items:center;gap:8px;margin-left:auto;border:1px solid var(--line);border-radius:999px;padding:0 6px 0 14px;background:rgba(255,255,255,.03);min-width:0}
.searchbox input{border:none;background:none;padding:10px 0;width:220px;max-width:100%;box-shadow:none}
.searchbox input:focus{box-shadow:none}
.searchbox button{border:none;background:none;color:var(--cyan);cursor:pointer;padding:8px;display:grid;place-items:center}
.empty{padding:40px;text-align:center;color:var(--muted)}

.detail{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}
.detail > *{min-width:0}
.detail-media{aspect-ratio:4/3;display:grid;place-items:center;color:var(--c);overflow:hidden;background:radial-gradient(circle at 50% 110%,color-mix(in srgb,var(--c) 25%,transparent),transparent 70%),var(--panel);max-width:100%}
.detail-media img{width:100%;height:100%;object-fit:cover}
.prose{color:#c9dbee;font-size:1rem;max-width:68ch}
.prose p{margin-bottom:14px}
.prose h2,.prose h3{margin:26px 0 10px;color:var(--text)}
.prose ul,.prose ol{margin:0 0 14px 22px}
.prose a{color:var(--cyan);text-decoration:underline}
.prose img{border-radius:12px;margin:12px 0}
.side{padding:24px;display:grid;gap:18px;position:sticky;top:96px}
.side h4{font-family:"Chakra Petch";font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.spec-table{width:100%;border-collapse:collapse;font-size:.9rem}
.spec-table td{padding:10px 0;border-bottom:1px dashed var(--line)}
.spec-table td:first-child{color:var(--muted);padding-right:12px}
.spec-table td:last-child{font-family:"Chakra Petch";text-align:right;font-variant-numeric:tabular-nums}
.taglist{display:flex;flex-wrap:wrap;gap:8px}
.taglist span{font-size:.8rem;padding:6px 12px;border-radius:999px;border:1px solid color-mix(in srgb,var(--c) 40%,transparent);color:var(--c)}
.complist{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.complist div{padding:10px 12px;border-radius:10px;border:1px solid var(--line);font-size:.86rem;background:rgba(255,255,255,.02);display:flex;gap:9px}
.complist div::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c);box-shadow:0 0 8px var(--c);margin-top:8px;flex:none}
.block-title{font-family:"Chakra Petch";font-size:1.25rem;margin:36px 0 14px}

.sol-row{display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:center;padding:26px 28px;transition:.3s}
.sol-row:hover{border-color:var(--c);transform:translateX(4px)}
.sol-row .ic{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;background:color-mix(in srgb,var(--c) 16%,transparent);color:var(--c)}
.sol-row h3{font-size:1.2rem;margin-bottom:4px}
.sol-row p{color:var(--muted);font-size:.9rem}
.sol-row .count{font-family:"Chakra Petch";color:var(--c);font-size:.85rem;white-space:nowrap}
.stack{display:grid;gap:14px}

.brand-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.brand{padding:28px;display:flex;flex-direction:column;gap:10px;transition:.3s}
.brand:hover{border-color:var(--cyan);transform:translateY(-4px)}
.brand-logo{height:56px;display:flex;align-items:center;font-family:"Chakra Petch";font-size:1.6rem;font-weight:700}
.brand-logo img{max-height:56px;width:auto}
.brand p{color:var(--muted);font-size:.88rem}
.brand .count{font-size:.8rem;color:var(--cyan);font-family:"Chakra Petch"}

.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.post{overflow:hidden;display:flex;flex-direction:column;transition:.3s}
.post:hover{border-color:var(--cyan);transform:translateY(-4px)}
.post-img{aspect-ratio:16/9;background:linear-gradient(135deg,rgba(62,230,255,.14),rgba(61,123,255,.06));display:grid;place-items:center;color:var(--cyan);max-width:100%}
.post-img img{width:100%;height:100%;object-fit:cover}
.post-body{padding:20px;display:flex;flex-direction:column;gap:8px}
.post-meta{font-size:.76rem;color:var(--muted);font-family:"Chakra Petch";letter-spacing:.08em;text-transform:uppercase}
.post h3{font-size:1.05rem}
.post p{font-size:.86rem;color:var(--muted)}
.article{max-width:760px}
.article-cover{border-radius:var(--radius);overflow:hidden;margin:10px 0 30px;max-width:100%}

.pager{display:flex;gap:8px;justify-content:center;margin-top:36px;flex-wrap:wrap}
.pager a,.pager span{min-width:40px;height:40px;padding:0 12px;border-radius:10px;display:grid;place-items:center;border:1px solid var(--line);font-size:.9rem;font-family:"Chakra Petch"}
.pager a:hover{border-color:var(--cyan);color:var(--cyan)}
.pager .cur{background:var(--cyan);color:#04121c;border-color:var(--cyan)}
.pager .gap{border:none}

.alert{padding:14px 18px;border-radius:12px;font-size:.92rem;margin-bottom:18px;border:1px solid}
.alert.ok{border-color:rgba(61,255,176,.4);background:rgba(61,255,176,.08);color:var(--mint)}
.alert.err{border-color:rgba(255,77,109,.4);background:rgba(255,77,109,.08);color:#ff9fb1}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.section-cta{display:flex;justify-content:space-between;align-items:end;gap:20px;flex-wrap:wrap;margin-bottom:40px}
.section-cta .sec-head{margin-bottom:0}

footer .foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:32px;padding-bottom:28px;border-bottom:1px solid var(--line);margin-bottom:22px}
footer h5{font-family:"Chakra Petch";color:var(--text);font-size:.95rem;margin-bottom:12px}
footer ul{list-style:none;display:grid;gap:8px}
footer .foot-grid p{margin-bottom:6px}
a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

@media (max-width:1080px){.pgrid,.posts,.brand-grid{grid-template-columns:1fr 1fr}}
@media (max-width:900px){
  .detail{grid-template-columns:1fr}.side{position:static}
  .foot-grid{grid-template-columns:1fr 1fr}
  .searchbox{margin-left:0;width:100%}.searchbox input{width:100%}
}
@media (max-width:600px){
  .pgrid,.posts,.brand-grid,.complist,footer .foot-grid{grid-template-columns:1fr}
  .sol-row{grid-template-columns:auto 1fr;padding:20px}.sol-row .count{grid-column:2}
  .page-hero{padding-top:110px}
}
.sc-body > .sc-flow{align-self:start}

/* ===== Cấu trúc giải pháp, thư viện ảnh ===== */
.sol-grid{grid-template-columns:repeat(3,1fr)}
.layers{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;counter-reset:none;position:relative}
.layer{padding:22px 20px;display:flex;flex-direction:column;gap:12px;position:relative;min-width:0}
.layer-n{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-family:"Chakra Petch";font-weight:700;color:#04121c;background:var(--c);box-shadow:0 0 20px color-mix(in srgb,var(--c) 45%,transparent)}
.layer h3{font-size:1rem;margin-bottom:6px}
.layer p{font-size:.86rem;color:var(--muted)}
.layer p a,.complist a,.sc-parts a{color:var(--c,var(--cyan));text-decoration:underline;text-underline-offset:3px}
.layer:not(:last-child)::after{content:"";position:absolute;top:40px;right:-14px;width:14px;height:2px;background:linear-gradient(90deg,var(--c),transparent)}
.gal{margin-bottom:28px;display:grid;gap:10px}
.gal .detail-media{background:#fff;margin:0}
.gal .detail-media img{object-fit:contain}
.gal-thumbs{display:flex;gap:8px;flex-wrap:wrap}
.gal-thumbs button{width:84px;height:64px;border-radius:10px;border:1px solid var(--line);background:#fff;padding:0;cursor:pointer;overflow:hidden;opacity:.6;transition:.2s}
.gal-thumbs button.on,.gal-thumbs button:hover{opacity:1;border-color:var(--c,var(--cyan))}
.gal-thumbs img{width:100%;height:100%;object-fit:contain}
.pcard-img:has(img){background:#fff}
.pcard-img img{object-fit:contain}
.img-fallback{width:100%;height:100%;display:block}
.side-nums{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.side-nums b{font-size:2rem}
.count-sm{font-size:.8rem;color:var(--muted);font-family:"Chakra Petch";margin-left:6px}
.sc-parts div > span{min-width:0}
.brand-logo img{background:#fff;border-radius:8px;padding:6px 10px}
@media (max-width:1080px){.sol-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.sol-grid{grid-template-columns:1fr}.layer::after{display:none}}
.pcard-img{position:relative;overflow:hidden}
.pcard-img img{position:absolute;inset:0}
.detail-media{position:relative}
.img-ext{display:grid;place-items:center;width:100%;height:100%;min-height:90px;padding:12px;text-align:center;font-size:.78rem;color:#5f7184;background:repeating-linear-gradient(45deg,#f2f6fa,#f2f6fa 10px,#e8eef4 10px,#e8eef4 20px)}

/* ===== Chính sách, hỗ trợ ===== */
.policy h2{font-size:1.25rem;margin-top:30px}
.policy h2:first-child{margin-top:0}
.policy ul{display:grid;gap:6px}
.policy .updated{margin-top:28px;font-size:.8rem;color:var(--muted)}
.side-links{list-style:none;display:grid;gap:6px;font-size:.9rem}
.side-links a{color:var(--text);opacity:.8}
.side-links a:hover,.side-links a.on{color:var(--cyan);opacity:1}
.side-links a::before{content:"› ";color:var(--cyan)}
.warranty-box{padding:16px;border-radius:12px;border:1px solid rgba(61,255,176,.3);background:rgba(61,255,176,.05)}
.warranty-box p b{color:var(--mint);font-family:"Chakra Petch";font-size:1.15rem}
.warranty-box p{margin-bottom:10px}
.muted-label{display:block;font-size:.78rem;color:var(--muted)}
.steps4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.steps4 > div{padding:22px}
.steps4 b{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:var(--cyan);color:#04121c;font-family:"Chakra Petch";margin-bottom:12px}
.steps4 h3{font-size:1rem;margin-bottom:6px}
.steps4 p{font-size:.86rem;color:var(--muted)}
footer .foot-grid{grid-template-columns:1.5fr 1fr 1fr .8fr}
.menu{gap:22px}
@media (max-width:1180px){.hotline{display:none}}
@media (max-width:900px){.steps4{grid-template-columns:1fr 1fr}footer .foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.steps4,footer .foot-grid{grid-template-columns:1fr}}

/* ===== Công cụ cấu hình ===== */
.cf{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start}
.cf > *{min-width:0}
.cf-left{display:grid;gap:18px}
.cf-box{border:1px solid var(--line);padding:24px;margin:0;min-inline-size:0;min-width:0}
.cf-legend{display:flex;align-items:center;gap:10px;font-family:"Chakra Petch";font-size:1.1rem;margin-bottom:18px;padding:0}
.cf-legend span{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;background:var(--cyan);color:#04121c;font-size:.9rem}
.cf-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.cf-field{display:flex;flex-direction:column;gap:6px;min-width:0;transition:opacity .2s}
.cf-field.dim{opacity:.45}
.cf-field label,.cf-label{font-size:.82rem;color:var(--muted)}
.stepper{display:flex;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:rgba(255,255,255,.03)}
.stepper button{width:44px;flex:none;border:none;background:rgba(255,255,255,.04);color:var(--cyan);font-size:1.2rem;cursor:pointer}
.stepper button:hover{background:rgba(62,230,255,.12)}
.stepper input{border:none;border-radius:0;text-align:center;font-family:"Chakra Petch";font-size:1.15rem;background:none;-moz-appearance:textfield;min-width:0}
.stepper input::-webkit-outer-spin-button,.stepper input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.stepper:focus-within{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(62,230,255,.12)}
.cf-choice{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.cf-choice label,.cf-checks label{display:flex;gap:10px;align-items:flex-start;padding:14px;border:1px solid var(--line);border-radius:12px;cursor:pointer;font-size:.88rem;color:var(--text);background:rgba(255,255,255,.02);transition:.2s}
.cf-choice label:has(input:checked),.cf-checks label:has(input:checked){border-color:var(--cyan);background:rgba(62,230,255,.07)}
.cf-choice input,.cf-checks input{width:auto;margin-top:3px;accent-color:var(--cyan)}
.cf-choice b{display:block;font-family:"Chakra Petch"}
.cf-checks{display:grid;gap:10px}
.cf-box > .cf-field{margin-top:16px}
.cf-box .btn{margin-top:18px}
.cf-right{position:sticky;top:96px}
.cf-result{padding:24px}
.cf-sum{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:22px}
.cf-sum div{padding:14px;border-radius:12px;background:rgba(62,230,255,.06);border:1px solid rgba(62,230,255,.2);text-align:center}
.cf-sum b{display:block;font-family:"Chakra Petch";font-size:1.7rem;color:var(--cyan);font-variant-numeric:tabular-nums}
.cf-sum span{font-size:.78rem;color:var(--muted)}
.cf-result h3{font-size:1.05rem;margin-bottom:12px}
.cf-result h4{font-family:"Chakra Petch";font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:20px 0 10px}
.cf-list{list-style:none;display:grid;gap:8px;max-height:460px;overflow:auto;padding-right:4px}
.cf-list li{display:grid;grid-template-columns:56px 1fr;gap:12px;align-items:start;padding:10px 12px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.02)}
.cf-list .q{font-family:"Chakra Petch";font-size:1.25rem;color:var(--mint);text-align:right;font-variant-numeric:tabular-nums}
.cf-list b{display:block;font-size:.92rem}
.cf-list b a{color:var(--text);text-decoration:underline;text-decoration-color:rgba(62,230,255,.4);text-underline-offset:3px}
.cf-list small{display:block;font-size:.78rem;color:var(--muted);margin-top:2px}
.cf-extra{margin-top:16px;padding:12px 14px;border-radius:12px;border:1px solid rgba(255,181,71,.35);background:rgba(255,181,71,.07);font-size:.86rem;color:var(--amber)}
.cf-note{margin-top:16px;font-size:.78rem;color:var(--muted)}
.taglist a span,.taglist span a{color:inherit}
@media (max-width:980px){.cf{grid-template-columns:1fr}.cf-right{position:static;order:-1}.cf-list{max-height:none}}
@media (max-width:600px){.cf-grid,.cf-choice{grid-template-columns:1fr}.cf-box{padding:18px}}

/* Khách hàng tiêu biểu */
.partners{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:14px}
.partner{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:18px 14px;min-height:96px;text-align:center}
.partner img{max-width:100%;max-height:56px;object-fit:contain;background:#fff;border-radius:8px;padding:6px}
.partner span{font-size:.86rem;color:var(--muted);line-height:1.35}