/* =========================================================
   E-WTS – giao diện sáng, bố cục cửa hàng (header trắng, banner trượt,
   dải cam kết, danh mục ảnh tròn, lưới sản phẩm).
   Màu chính: xanh E-WTS #1f5fd6, cam nút mua #ff6a13.
   ========================================================= */
:root{
  --bg:#ffffff;
  --bg2:#f5f7fa;          /* nền khối xen kẽ */
  --card:#ffffff;
  --card2:#f5f7fa;
  --soft:#eef3fb;
  --line:#e6e9ef;
  --line2:#d7dde7;
  --ink:#1b2433;
  --ink2:#334155;
  --muted:#6b7585;
  --plate:#f4f6f9;        /* nền sau ảnh sản phẩm */
  --primary:#ff6a13;      /* cam: nút mua, giá */
  --primary2:#ff8a3d;
  --sky:#1f5fd6;          /* xanh thương hiệu */
  --sky2:#1f5fd6;
  --navy:#16305e;
  --mint:#14a37f;
  --sun:#ffb020;
  --red:#e8402f;
  --rtk:#3b82f6;
  --surface:#ffffff;
  /* màu engine 3D đọc */
  --accent:#ff6a13; --accent-ink:#ffffff; --led:#ff9d1c; --radio:#14a37f;
  --d-base:#e9eef6; --d-floor:#f7f9fc; --d-floor2:#e3e9f3; --d-prop:#8ea5c9; --d-prop2:#c6d2e3;
  --d-person:#3d6fd1; --d-staff:#ff6a13; --d-glass:#8cbcff;

  --display:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;
  --body:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  --r:12px;
  --sh:0 1px 2px rgb(16 24 40 / .05),0 1px 3px rgb(16 24 40 / .06);
  --sh2:0 12px 30px -12px rgb(16 24 40 / .22);
  color-scheme:light;
}
*{box-sizing:border-box}
html,body{overflow-x:hidden}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.6}
[hidden]{display:none!important}
img{max-width:100%}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--display);margin:0;text-wrap:balance;line-height:1.25}
button{font:inherit;color:inherit;cursor:pointer}
input,select,textarea{font:inherit;color:var(--ink)}
:focus-visible{outline:2px solid var(--sky);outline-offset:2px}
::selection{background:var(--sky);color:#fff}
.wrap{max-width:1240px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.mono{font-family:var(--mono)}
.muted{color:var(--muted)}

/* ---------- Topbar ---------- */
.topbar{background:var(--navy);color:#dbe5f7;font-size:12.5px}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;padding-block:6px;flex-wrap:wrap}
.topbar b{color:#fff;font-weight:700;letter-spacing:.02em}

/* ---------- Header: logo – menu – biểu tượng ---------- */
.site-header{position:sticky;top:0;z-index:30;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s}
.site-header.scrolled{box-shadow:0 6px 20px -12px rgb(16 24 40 / .25)}
.hd{display:flex;align-items:center;gap:20px;min-height:68px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex:none}
.logo img{height:40px;width:auto;display:block}
.logo strong{font-size:22px;font-weight:800;line-height:1;display:block;color:var(--sky);letter-spacing:.04em}
.logo small{display:block;font-size:10px;color:var(--muted);letter-spacing:.12em;margin-top:4px;font-weight:600}
.mainnav{flex:1;display:flex;justify-content:center;align-self:stretch}
.mainnav>a,.mainnav>.dd>a{display:flex;align-items:center;gap:4px;height:100%;text-decoration:none;font-weight:600;font-size:14.5px;padding:0 13px;color:var(--ink2);position:relative;white-space:nowrap}
.mainnav>a::after,.mainnav>.dd>a::after{content:"";position:absolute;left:13px;right:13px;bottom:-1px;height:2px;background:var(--sky);transform:scaleX(0);transition:transform .2s}
.mainnav a:hover{color:var(--sky)}
.mainnav a:hover::after,.mainnav a.on::after{transform:scaleX(1)}
.mainnav a.on{color:var(--sky)}
.mainnav .dd{position:relative;display:flex}
.hicons{display:flex;align-items:center;gap:4px;flex:none}
.hicon{position:relative;display:grid;place-items:center;width:42px;height:42px;border-radius:50%;border:0;background:transparent;color:var(--ink);text-decoration:none}
.hicon:hover{background:var(--bg2);color:var(--sky)}
.hicon .n{position:absolute;top:2px;right:0;background:var(--primary);color:#fff;border-radius:999px;min-width:18px;height:18px;padding:0 5px;font-size:11px;font-weight:700;line-height:18px;text-align:center}
.hphone{display:flex;align-items:center;gap:8px;text-decoration:none;margin-right:6px;padding-left:12px;border-left:1px solid var(--line)}
.hphone small{display:block;font-size:11px;color:var(--muted);line-height:1.2}
.hphone b{display:block;font-size:15px;color:var(--primary);line-height:1.2;letter-spacing:.02em}
.menu-btn{display:none}
/* ô tìm kiếm thả xuống */
.search-pop{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh2);padding-block:14px}
.search{display:flex;align-items:center;background:var(--bg2);border:1px solid var(--line);border-radius:999px;padding:4px 4px 4px 16px;color:var(--muted);max-width:720px;margin:0 auto}
.search:focus-within{border-color:var(--sky);background:#fff}
.search input{flex:1;min-width:0;border:0;background:transparent;padding:9px 8px;outline:none}
.search button{border:0;background:var(--sky);color:#fff;border-radius:999px;padding:9px 22px;font-weight:600}
.search-hot{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:10px;font-size:13px}
.search-hot a{text-decoration:none;padding:3px 12px;border-radius:999px;background:var(--bg2);color:var(--ink2)}
.search-hot a:hover{background:var(--soft);color:var(--sky)}

/* mega menu dưới "Sản phẩm" */
.mega{position:absolute;left:0;right:0;top:100%;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);box-shadow:var(--sh2);display:none}
.site-header:has(.has-mega:hover) .mega,.site-header:has(.has-mega:focus) .mega,.mega:hover,.mega:focus-within{display:block}
.mega-in{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:24px;padding-block:18px 22px}
.mega-cats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px}
.mega-cats a{display:flex;gap:12px;align-items:center;text-decoration:none;padding:9px;border-radius:10px}
.mega-cats a:hover{background:var(--bg2)}
.mega-cats a:hover b{color:var(--sky)}
.mega-cats .mi{width:52px;height:52px;border-radius:50%;background:var(--plate);display:grid;place-items:center;flex:none;overflow:hidden}
.mega-cats .mi img,.mega-cats .mi svg{width:100%;height:100%;object-fit:contain;padding:7px}
.mega-cats b{display:block;font-size:14px}
.mega-cats small{color:var(--muted);font-size:12px}
.mega-side{display:flex;flex-direction:column;gap:1px;border-left:1px solid var(--line);padding-left:20px}
.mega-side .eyebrow{margin-bottom:6px}
.mega-side a{text-decoration:none;font-size:14px;padding:5px 0;color:var(--ink2)}
.mega-side a:hover{color:var(--sky)}

/* menu điện thoại */
.drawer{position:fixed;inset:0;z-index:70;background:rgb(15 23 42 / .45);display:none}
.drawer.open{display:block}
.drawer .in{position:absolute;left:0;top:0;bottom:0;width:min(330px,86vw);background:#fff;display:flex;flex-direction:column;overflow:auto;box-shadow:var(--sh2);animation:drin .22s ease-out}
@keyframes drin{from{transform:translateX(-100%)}}
.drawer .dh{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--line)}
.drawer nav{display:flex;flex-direction:column;padding:6px 0}
.drawer nav a{text-decoration:none;padding:12px 18px;font-weight:600;border-bottom:1px solid var(--bg2)}
.drawer nav a.on{color:var(--sky)}
.drawer nav a.sub{font-weight:500;padding-left:34px;font-size:14px;color:var(--ink2)}
.drawer .dc{margin-top:auto;padding:16px;border-top:1px solid var(--line);font-size:14px}

/* ---------- Buttons, chips ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line2);background:#fff;border-radius:8px;padding:10px 18px;font-weight:600;font-size:14px;text-decoration:none;color:var(--ink);transition:background .15s,border-color .15s,color .15s,box-shadow .15s}
.btn:hover{border-color:var(--sky);color:var(--sky)}
.btn.pri{border:0;background:var(--primary);color:#fff}
.btn.pri:hover{background:#f25a00;color:#fff;box-shadow:0 8px 18px -8px rgb(255 106 19 / .7)}
.btn.sky,.btn.dark{border:0;background:var(--sky);color:#fff}
.btn.sky:hover,.btn.dark:hover{background:#174cb0;color:#fff}
.btn.mint{border:0;background:var(--mint);color:#fff}
.btn.sm{padding:7px 12px;font-size:13px}
.btn.block{width:100%}
.chip{white-space:nowrap;border:1px solid var(--line2);background:#fff;border-radius:999px;padding:6px 15px;font-size:13.5px;font-weight:600;color:var(--ink2)}
.chip:hover{border-color:var(--sky);color:var(--sky)}
.chip[aria-pressed="true"]{background:var(--sky);border-color:var(--sky);color:#fff}
.chip.ind[aria-pressed="true"]{background:var(--primary);border-color:var(--primary)}
.row{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:2px 0}
.row::-webkit-scrollbar,.stabs::-webkit-scrollbar,.ptabs::-webkit-scrollbar{display:none}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--sky)}

/* ---------- Sections ---------- */
section{padding-block:44px}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(22px,2.4vw,28px);font-weight:700}
.sec-head p{margin:6px 0 0;color:var(--muted);max-width:62ch}
/* tiêu đề giữa kiểu cửa hàng */
.sec-title{text-align:center;margin-bottom:26px}
.sec-title h2{font-size:clamp(23px,2.6vw,30px);font-weight:700;display:inline-block;position:relative;padding-bottom:10px}
.sec-title h2::after{content:"";position:absolute;left:50%;bottom:0;width:56px;height:3px;border-radius:3px;background:var(--sky);transform:translateX(-50%)}
.sec-title p{margin:10px auto 0;color:var(--muted);max-width:60ch}
.bg-soft{background:var(--bg2)}
.bg-peach{background:var(--bg2)}

/* ---------- Banner trượt ---------- */
.slider{position:relative;overflow:hidden;background:var(--bg2)}
.slides{display:flex;transition:transform .6s cubic-bezier(.22,.7,.2,1);touch-action:pan-y}
.slide{flex:0 0 100%;min-width:0;position:relative;text-decoration:none;color:inherit;display:block}
.slide.full img{display:block;width:100%;height:clamp(220px,36vw,520px);object-fit:cover}
.slide.split{background:var(--sbg,#dfeafb)}
.slide.split .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);align-items:center;gap:24px;min-height:clamp(300px,34vw,470px);padding-block:30px}
.sl-tx{display:flex;flex-direction:column;align-items:flex-start;gap:12px;max-width:520px}
.sl-k{font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--sky);display:flex;align-items:center;gap:10px}
.sl-k::before{content:"";width:28px;height:2px;background:currentColor}
.sl-tx h2{font-size:clamp(28px,4vw,52px);font-weight:800;line-height:1.08;color:var(--navy);text-transform:uppercase;letter-spacing:-.01em}
.sl-tx p{margin:0;font-size:16.5px;color:var(--ink2);max-width:46ch}
.sl-tx .btn{margin-top:6px;padding:13px 26px;font-size:15px;background:var(--navy);color:#fff;border:0;border-radius:6px;letter-spacing:.04em;text-transform:uppercase}
.sl-tx .btn:hover{background:var(--sky);color:#fff}
.sl-img{position:relative;height:clamp(240px,30vw,420px);display:flex;align-items:center;justify-content:center}
.sl-img img{max-height:100%;max-width:100%;object-fit:contain;filter:drop-shadow(0 24px 30px rgb(16 24 40 / .22))}
.sl-img img.photo{width:92%;height:92%;object-fit:cover;border-radius:18px;border:6px solid #fff;filter:none;box-shadow:0 24px 50px -20px rgb(16 24 40 / .45)}
.sl-img.two img:first-child{max-width:78%;max-height:78%;transform:translate(-8%,-6%)}
.sl-img.two img+img{position:absolute;right:4%;bottom:4%;max-width:42%;max-height:52%}
.slide.split::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:rgb(255 255 255 / .35);pointer-events:none}
.slide.active .sl-tx>*{animation:slin .7s both}
.slide.active .sl-tx>*:nth-child(2){animation-delay:.08s}.slide.active .sl-tx>*:nth-child(3){animation-delay:.16s}.slide.active .sl-tx>*:nth-child(4){animation-delay:.24s}
.slide.active .sl-img{animation:slimg .8s both}
@keyframes slin{from{opacity:0;transform:translateY(18px)}}
@keyframes slimg{from{opacity:0;transform:translateX(30px) scale(.97)}}
.sl-nav{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;border:0;background:rgb(255 255 255 / .85);box-shadow:var(--sh);display:grid;place-items:center;font-size:22px;color:var(--ink);z-index:2;opacity:0;transition:opacity .2s}
.slider:hover .sl-nav{opacity:1}
.sl-nav:hover{background:#fff;color:var(--sky)}
.sl-prev{left:16px}.sl-next{right:16px}
.sl-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:8px;z-index:2}
.sl-dots button{width:10px;height:10px;border-radius:999px;border:0;background:rgb(22 48 94 / .25);padding:0;transition:width .25s,background .25s}
.sl-dots button[aria-current="true"]{width:28px;background:var(--navy)}

/* ---------- Dải cam kết ---------- */
.services{border-bottom:1px solid var(--line);background:#fff}
.services .wrap{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;padding-block:20px}
.svc{display:flex;align-items:center;gap:12px;min-width:0}
.svc .ic{width:50px;height:50px;border-radius:50%;border:1.5px solid var(--line2);display:grid;place-items:center;color:var(--sky);flex:none;transition:background .2s,color .2s}
.svc:hover .ic{background:var(--sky);color:#fff;border-color:var(--sky)}
.svc b{display:block;font-size:14.5px;line-height:1.3}
.svc small{display:block;font-size:12.5px;color:var(--muted);line-height:1.4;margin-top:2px}

/* ---------- Danh mục ảnh tròn ---------- */
.cats{display:grid;grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:18px 12px}
.cat-c{display:flex;flex-direction:column;align-items:center;text-align:center;text-decoration:none;gap:8px}
.cat-c .cc{width:min(124px,100%);aspect-ratio:1;border-radius:50%;background:var(--plate);display:grid;place-items:center;overflow:hidden;transition:transform .25s,box-shadow .25s;border:1px solid var(--line)}
.cat-c .cc img,.cat-c .cc svg{width:100%;height:100%;object-fit:contain;padding:16%}
.cat-c .cc img.cover{object-fit:cover;padding:0}
.cat-c:hover .cc{transform:translateY(-4px);box-shadow:var(--sh2)}
.cat-c b{font-size:14.5px;line-height:1.3}
.cat-c:hover b{color:var(--sky)}
.cat-c small{font-size:12.5px;color:var(--muted);margin-top:-6px}

/* ---------- Tab sản phẩm ---------- */
.ptabs{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;margin:-8px 0 22px}
.ptabs button{border:1px solid var(--line2);background:#fff;border-radius:999px;padding:7px 16px;font-size:13.5px;font-weight:600;color:var(--ink2)}
.ptabs button:hover{color:var(--sky);border-color:var(--sky)}
.ptabs button[aria-pressed="true"]{background:var(--navy);border-color:var(--navy);color:#fff}
.more{display:flex;justify-content:center;margin-top:24px}
.more .btn{min-width:220px;border-color:var(--navy);color:var(--navy)}
.more .btn:hover{background:var(--navy);color:#fff}

/* ---------- Banner phụ ---------- */
.subs{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.subb{position:relative;display:block;border-radius:14px;overflow:hidden;aspect-ratio:16/7;text-decoration:none;color:#fff;background:var(--navy)}
.subb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s}
.subb:hover img{transform:scale(1.05)}
.subb .t{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;gap:2px;padding:20px 22px;background:linear-gradient(90deg,rgb(10 25 55 / .78),rgb(10 25 55 / .1) 75%)}
.subb small{font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:#ffd2b4}
.subb b{font-size:clamp(18px,2vw,24px);line-height:1.25;max-width:22ch}
.subb .go{margin-top:8px;font-size:13.5px;font-weight:600;display:inline-flex;gap:6px;align-items:center}

/* ---------- Khối mô phỏng 3D ---------- */
.sim-sec .wrap{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.5fr);gap:32px;align-items:center}
.sim-sec h2{font-size:clamp(25px,3vw,36px);font-weight:800;line-height:1.15;margin-top:10px;color:var(--navy)}
.sim-sec h2 em{font-style:normal;color:var(--primary)}
.sim-sec p.lead{color:var(--ink2);font-size:16px;margin:12px 0 0}
.stats{display:flex;gap:26px;margin-top:22px;flex-wrap:wrap}
.stats div{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;border-left:3px solid var(--sky);padding-left:12px}
.stats b{display:block;font-size:26px;color:var(--navy);letter-spacing:0;line-height:1.15}
.hero .cta,.sim-sec .cta{display:flex;gap:10px;margin-top:22px;flex-wrap:wrap}
.stage{min-width:0;display:flex;flex-direction:column;gap:10px}
.stabs{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding:2px}
.stab{white-space:nowrap;border:1px solid var(--line2);background:#fff;border-radius:999px;padding:6px 14px;font-size:13.5px;font-weight:600;color:var(--ink2)}
.stab span{opacity:.65;font-weight:500;font-size:12px}
.stab:hover{color:var(--sky);border-color:var(--sky)}
.stab[aria-pressed="true"]{background:var(--sky);border-color:var(--sky);color:#fff}

/* ---------- 3D stage ---------- */
.sim{position:relative;height:clamp(320px,36vw,470px);border-radius:16px;overflow:hidden;background:radial-gradient(90% 80% at 50% 30%,#ffffff 0%,#eef3fa 55%,#e2e9f4 100%);border:1px solid var(--line)}
.sim canvas{position:relative;z-index:1;display:block;width:100%;height:100%;cursor:grab}
.sim canvas:active{cursor:grabbing}
.sim .hint{position:absolute;z-index:2;top:10px;right:12px;font-size:11.5px;color:var(--muted);pointer-events:none;background:rgb(255 255 255 / .85);border:1px solid var(--line);padding:3px 10px;border-radius:999px}
.sim .cap{position:absolute;z-index:2;left:12px;bottom:12px;right:12px;display:flex;gap:8px;align-items:center;pointer-events:none}
.sim .cap span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 13px;font-size:13px;font-weight:600;box-shadow:var(--sh)}
.sim .cap i{width:10px;height:10px;border-radius:50%;background:var(--primary);flex:none;box-shadow:0 0 0 5px rgb(255 106 19 / .2);animation:pulse 1.4s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 9px rgb(255 106 19 / .05)}}
.sim .nogl{position:absolute;inset:0;display:grid;place-items:center;color:var(--muted);font-size:13px;padding:16px;text-align:center}
.sim.tall{height:clamp(340px,42vw,520px)}

/* ---------- Tiles, perks, ngành ---------- */
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}
.tile{position:relative;display:flex;flex-direction:column;text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:box-shadow .2s}
.tile:hover{box-shadow:var(--sh2)}
.tile .tph{aspect-ratio:4/3;background:var(--plate);display:grid;place-items:center;overflow:hidden}
.tile .tph img,.tile .tph svg{width:100%;height:100%;object-fit:cover}
.tile .tph img.contain{object-fit:contain;padding:10px}
.tile .tx{padding:12px 14px;display:flex;flex-direction:column;gap:2px}
.tile b{font-size:15px}
.tile small{color:var(--muted);font-size:13px}
.perk{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px;display:flex;flex-direction:column;gap:4px}
.perk b{font-size:16px}
.perk small{color:var(--muted);font-size:13.5px}
.inds{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
@media (max-width:980px){.inds{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.inds{grid-template-columns:1fr}}
.ind-card{position:relative;text-decoration:none;border-radius:14px;background:#fff;border:1px solid var(--line);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s}
.ind-card:hover{box-shadow:var(--sh2);transform:translateY(-3px)}
.ind-card .ip{aspect-ratio:16/9;background:var(--plate);overflow:hidden;display:grid;place-items:center}
.ind-card .ip img,.ind-card .ip svg{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.ind-card .ip img.contain{object-fit:contain;padding:8%}
.ind-card:hover .ip img{transform:scale(1.05)}
.ind-card .it{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.ind-card h3{font-size:17px}
.ind-card p{margin:0;color:var(--muted);font-size:13.5px}
.ind-card .go{margin-top:auto;font-weight:600;color:var(--sky);font-size:13.5px}

/* ---------- Thẻ sản phẩm ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(218px,1fr));gap:18px}
.grid.five{grid-template-columns:repeat(5,minmax(0,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);display:flex;flex-direction:column;overflow:hidden;min-width:0;transition:box-shadow .2s,border-color .2s}
.card:hover{box-shadow:var(--sh2);border-color:transparent}
.card .ph{position:relative;display:grid;place-items:center;aspect-ratio:1/1;background:var(--plate);text-decoration:none;overflow:hidden}
.card .ph img,.card .ph svg{width:100%;height:100%;object-fit:contain;padding:12%;transition:transform .4s}
.card:hover .ph img{transform:scale(1.06)}
.src{position:absolute;top:10px;left:10px;font-size:10.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:3px 8px;border-radius:4px;color:#fff}
.src.syscall{background:var(--sky)} .src.retekess{background:#7c3aed} .src.radio{background:var(--mint)}
.sale{position:absolute;top:10px;right:10px;font-size:11.5px;font-weight:700;padding:3px 8px;border-radius:4px;background:var(--red);color:#fff}
.card .body{padding:12px 14px 14px;display:flex;flex-direction:column;gap:7px;flex:1}
.model{font-size:12px;color:var(--muted);font-weight:600;letter-spacing:.04em}
.card h3{font-size:15px;font-weight:600;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.8em}
.card h3 a{text-decoration:none}
.card h3 a:hover{color:var(--sky)}
.price{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;font-variant-numeric:tabular-nums}
.price b{font-size:17px;color:var(--red)}
.price s{color:var(--muted);font-size:13px}
.price .contact{font-size:14.5px;font-weight:700;color:var(--red)}
.apps{border-top:1px dashed var(--line2);padding-top:8px;display:flex;flex-direction:column;gap:5px}
.apps .t{font-size:10.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700}
.apps ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:4px}
.apps li{font-size:12.5px;line-height:1.4;display:grid;grid-template-columns:auto 1fr;gap:6px;color:var(--ink2)}
.tag{font-size:10.5px;font-weight:700;padding:1px 7px;border-radius:4px;background:var(--soft);color:var(--sky);white-space:nowrap;height:fit-content}
.acts{display:flex;gap:8px;margin-top:auto;padding-top:6px}
.acts .btn{flex:1;padding:8px 8px;font-size:13px}
.empty{grid-column:1/-1;text-align:center;padding:48px 16px;color:var(--muted);background:var(--bg2);border:1px dashed var(--line2);border-radius:var(--r)}
.empty a{color:var(--sky)}

/* ---------- Đầu trang con ---------- */
.page-head,.app-hero{position:relative;background:var(--bg2);border-bottom:1px solid var(--line);padding-block:22px 22px}
.page-head h1,.app-hero h1{font-size:clamp(23px,2.8vw,32px);font-weight:700;line-height:1.2;color:var(--navy);max-width:none;margin-top:0}
.page-head p,.app-hero p{margin:6px 0 0;color:var(--muted);max-width:70ch;font-size:15.5px}
.page-head.has-img,.app-hero.has-img{background-color:var(--navy);background-position:center;background-size:cover;background-repeat:no-repeat;padding-block:56px 50px;border:0}
.page-head.has-img::before,.app-hero.has-img::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgb(10 25 55 / .82),rgb(10 25 55 / .35))}
.page-head.has-img .wrap,.app-hero.has-img .wrap{position:relative}
.page-head.has-img h1,.app-hero.has-img h1,.page-head.has-img .crumb a,.app-hero.has-img .crumb a{color:#fff}
.page-head.has-img p,.app-hero.has-img p,.page-head.has-img .crumb,.app-hero.has-img .crumb{color:#dbe5f7}
.app-hero .eyebrow{display:none}
.app-hero h1 em{font-style:normal;color:var(--primary)}
.app-hero .stats{margin-top:14px}
.app-hero.has-img .stats b{color:#fff}.app-hero.has-img .stats div{color:#dbe5f7}
.crumb{font-size:13px;color:var(--muted);margin-bottom:6px}
.crumb a{text-decoration:none}
.crumb a:hover{color:var(--sky)}

/* ---------- Danh sách sản phẩm ---------- */
.cat-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:26px;padding-block:24px 48px}
.filter-box{position:sticky;top:90px;align-self:start;display:flex;flex-direction:column;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px}
.filter-box h4{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--navy);margin-bottom:8px;padding-bottom:8px;border-bottom:2px solid var(--sky);display:inline-block}
.flist{display:flex;flex-direction:column;gap:1px}
.flist button{display:flex;justify-content:space-between;border:0;background:transparent;text-align:left;padding:7px 10px;border-radius:6px;font-size:14px;color:var(--ink2)}
.flist button:hover{background:var(--bg2);color:var(--sky)}
.flist button[aria-pressed="true"]{background:var(--soft);color:var(--sky);font-weight:700}
.flist button span{color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}
.toolbar{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-bottom:14px;background:var(--bg2);border-radius:8px;padding:8px 12px}
.toolbar select{border:1px solid var(--line2);border-radius:6px;padding:7px 10px;background:#fff;margin-left:6px}
.mob-filters{display:none;flex-direction:column;gap:8px;margin-bottom:12px}

/* ---------- Chi tiết ---------- */
.dt{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:36px;padding-block:20px 10px}
.gallery{background:var(--plate);border:1px solid var(--line);border-radius:14px;aspect-ratio:1/1;display:grid;place-items:center;position:relative;overflow:hidden}
.gallery img,.gallery svg{width:100%;height:100%;object-fit:contain;padding:14%}
.info{display:flex;flex-direction:column;gap:14px;min-width:0}
.info h1{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.25}
.info .price b{font-size:26px}
.perks{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.perks div{background:var(--bg2);border-radius:8px;padding:9px 11px;font-size:13px;color:var(--muted)}
.perks b{display:block;font-size:13.5px;color:var(--ink)}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line2);border-radius:8px;background:#fff}
.qty button{border:0;background:transparent;width:38px;height:40px;font-size:18px}
.qty input{width:48px;text-align:center;border:0;font-variant-numeric:tabular-nums;font-weight:600;background:transparent}
.buy{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.specs{margin:0;padding:0;list-style:none;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff}
.specs li{padding:11px 14px;border-bottom:1px solid var(--line);font-size:14.5px;display:flex;gap:10px}
.specs li:nth-child(even){background:var(--bg2)}
.specs li::before{content:"";width:7px;height:7px;margin-top:8px;border-radius:50%;background:var(--sky);flex:none}
.specs li:last-child{border-bottom:0}
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:16px;overflow-x:auto}
.tabs button{border:0;background:transparent;padding:11px 16px;font-weight:700;color:var(--muted);border-bottom:3px solid transparent;margin-bottom:-1px;white-space:nowrap;font-size:15px;text-transform:uppercase;letter-spacing:.03em}
.tabs button[aria-selected="true"]{color:var(--navy);border-color:var(--sky)}
.sol{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px}
.sol .s{display:grid;grid-template-columns:46px 1fr;gap:12px;padding:14px;border-radius:var(--r);background:#fff;border:1px solid var(--line)}
.sol .s .ic{width:46px;height:46px;border-radius:50%;background:var(--soft);display:grid;place-items:center;font-weight:700;color:var(--sky)}
.sol .s b{display:block;font-size:14.5px}
.sol .s p{margin:3px 0 0;font-size:14px;color:var(--muted)}
.sim-panel{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:20px;align-items:start}
.sim-side{display:flex;flex-direction:column;gap:10px}
.sim-side .why{background:#fff;border:1px solid var(--line);border-left:3px solid var(--primary);border-radius:var(--r);padding:14px;font-size:14.5px;color:var(--ink2)}
.sim-side .why b{display:block;font-size:17px;margin-bottom:4px;color:var(--ink)}
.kit{font-size:14px;background:#ecf8f4;border:1px solid #c6eadd;border-radius:var(--r);padding:12px 14px;color:#155e4b}
.kit b{color:#0b4536}
.gal-wrap{display:flex;flex-direction:column;gap:10px;min-width:0}
.thumbs{display:flex;gap:8px;overflow-x:auto;padding-bottom:2px}
.thumbs button{flex:none;width:78px;height:78px;border-radius:10px;border:1px solid var(--line);padding:0;overflow:hidden;background:var(--plate)}
.thumbs button img{width:100%;height:100%;object-fit:contain;padding:12%}
.thumbs button[aria-pressed="true"]{border:2px solid var(--sky)}

/* ---------- Giải pháp ---------- */
.sol-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:26px;padding-block:24px 48px}
.sol-nav{position:sticky;top:90px;align-self:start;display:flex;flex-direction:column;gap:2px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:8px}
.sol-nav button{text-align:left;border:0;background:transparent;border-radius:8px;padding:9px 10px;font-weight:600;display:flex;gap:10px;align-items:center;color:var(--ink2)}
.sol-nav button:hover{background:var(--bg2);color:var(--sky)}
.sol-nav button[aria-pressed="true"]{background:var(--soft);color:var(--sky)}
.sol-nav .dot{width:30px;height:30px;border-radius:50%;background:var(--bg2);display:grid;place-items:center;font-size:11px;font-weight:700;color:var(--sky);flex:none}
.sol-nav button[aria-pressed="true"] .dot{background:var(--sky);color:#fff}
.sol-main{display:flex;flex-direction:column;gap:22px;min-width:0}
.sol-main h2{font-size:clamp(23px,2.6vw,30px);font-weight:700;color:var(--navy)}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px;counter-reset:st}
.steps div{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;font-size:14px;counter-increment:st;color:var(--ink2)}
.steps div::before{content:"Bước " counter(st);display:block;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--primary);margin-bottom:4px}
.calc{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:20px;display:flex;flex-direction:column;gap:14px}
.calc .in{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.calc table{width:100%;border-collapse:collapse;font-size:14.5px;background:#fff;border-radius:10px;overflow:hidden}
.calc th,.calc td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left}
.calc th{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);background:#fff}
.calc td.num{text-align:right;font-variant-numeric:tabular-nums;font-weight:700;color:var(--primary)}
.tbl-wrap{overflow-x:auto;border-radius:10px}

/* ---------- Giỏ hàng, form ---------- */
.cart-layout{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:24px;padding-block:24px 48px;align-items:start}
.panel{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}
.panel h3{font-size:18px;margin-bottom:10px}
.citem{display:grid;grid-template-columns:72px minmax(0,1fr) auto;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}
.citem .thumb{width:72px;height:72px;border-radius:10px;background:var(--plate);display:grid;place-items:center;overflow:hidden}
.citem .thumb img,.citem .thumb svg{width:100%;height:100%;object-fit:contain;padding:8px}
.citem .nm{font-weight:600;font-size:14px;text-decoration:none}
.citem .rm{border:0;background:none;color:var(--muted);font-size:12px;text-decoration:underline;padding:0}
.citem .right{display:flex;flex-direction:column;align-items:end;gap:6px}
.sum{display:flex;justify-content:space-between;font-size:15px;padding-top:12px;font-variant-numeric:tabular-nums}
.sum b{font-size:20px;color:var(--red)}
form.f{display:flex;flex-direction:column;gap:12px}
form.f label{font-size:13px;font-weight:600;color:var(--ink2);display:flex;flex-direction:column;gap:5px}
form.f input,form.f select,form.f textarea{border:1px solid var(--line2);border-radius:8px;padding:10px 12px;background:#fff}
form.f input:focus,form.f select:focus,form.f textarea:focus{border-color:var(--sky);outline:none;box-shadow:0 0 0 3px rgb(31 95 214 / .12)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.ok{background:#ecf8f4;border:1px solid #c6eadd;border-radius:var(--r);padding:14px;font-size:13.5px;white-space:pre-wrap;font-family:var(--mono);color:#0b4536}
.orders{display:flex;flex-direction:column;gap:8px}
.orders div{display:flex;justify-content:space-between;gap:10px;font-size:13px;padding:8px 10px;background:var(--bg2);border-radius:8px}

/* ---------- Liên hệ ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.ccard{background:#fff;border:1px solid var(--line);border-top:3px solid var(--sky);border-radius:14px;padding:20px;display:flex;flex-direction:column;gap:8px}
.ccard h3{font-size:18px}
.ccard p{margin:0;font-size:14px;color:var(--muted)}
.num{font-weight:700;color:var(--ink);user-select:all}
details{background:var(--bg2)!important;border:1px solid var(--line)}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:linear-gradient(110deg,var(--navy),var(--sky));color:#fff;border-radius:16px;padding:30px 32px;display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap}
.cta-band::after{content:"";position:absolute;right:-60px;top:-80px;width:280px;height:280px;border-radius:50%;background:rgb(255 255 255 / .08);pointer-events:none}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{font-size:clamp(21px,2.6vw,28px)}
.cta-band p{margin:6px 0 0;opacity:.9}
.cta-band .btn{background:var(--primary);border:0;color:#fff;padding:12px 24px}
.cta-band .btn:hover{background:#f25a00}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg2);border-top:1px solid var(--line);margin-top:24px}
.site-footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:28px;padding-block:40px 30px}
.site-footer h4{font-size:14.5px;margin-bottom:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--navy)}
.site-footer p,.site-footer li{font-size:14px;margin:0;color:var(--ink2)}
.site-footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:7px}
.site-footer a{text-decoration:none}
.site-footer a:hover{color:var(--sky)}
.site-footer .num{color:var(--primary)}
.flogo{height:64px;width:auto;margin-bottom:12px;display:block}
.copy{background:var(--navy);font-size:12.5px;color:#c9d6ee}
.copy .wrap{display:block;padding-block:12px}

/* ---------- Toast, nút nổi ---------- */
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%) translateY(20px);background:var(--navy);color:#fff;padding:11px 18px;border-radius:8px;font-size:14px;font-weight:600;opacity:0;transition:.25s;z-index:60;pointer-events:none;box-shadow:var(--sh2)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.float-contact{position:fixed;right:calc(16px + env(safe-area-inset-right,0px));bottom:calc(18px + env(safe-area-inset-bottom,0px));display:flex;flex-direction:column;align-items:flex-end;gap:10px;z-index:50}
.fc{display:flex;align-items:center;gap:8px;border:0;border-radius:999px;min-width:50px;height:50px;justify-content:center;text-decoration:none;color:#fff;box-shadow:0 10px 24px -8px rgb(16 24 40 / .45);font-weight:700}
.fc.zalo{background:#0068ff;font-size:13px}
.fc.call{background:var(--primary);padding:0 18px 0 15px;animation:ring 2.4s infinite}
.fc.call span{font-size:14px;letter-spacing:.02em}
.fc.top{background:#fff;color:var(--ink);border:1px solid var(--line2);font-size:20px;width:44px;min-width:44px;height:44px}
@keyframes ring{0%,100%{box-shadow:0 10px 24px -8px rgb(16 24 40 / .45),0 0 0 0 rgb(255 106 19 / .5)}50%{box-shadow:0 10px 24px -8px rgb(16 24 40 / .45),0 0 0 12px rgb(255 106 19 / 0)}}

/* ---------- Trang Ứng dụng ---------- */
.explorer{display:grid;grid-template-columns:310px minmax(0,1fr);gap:20px;align-items:start}
.scn-list{display:flex;flex-direction:column;gap:6px;max-height:760px;overflow:auto;padding-right:4px}
.scn{display:flex;gap:12px;align-items:center;text-align:left;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 10px}
.scn:hover{border-color:var(--sky)}
.scn[aria-pressed="true"]{border-color:var(--sky);background:var(--soft)}
.scn-ic{width:60px;height:48px;border-radius:8px;background:var(--plate);display:grid;place-items:center;flex:none;overflow:hidden}
.scn-ic img,.scn-ic svg{width:100%;height:100%;object-fit:contain;padding:4px}
.scn-tx{min-width:0}
.scn-tx b{display:block;font-size:14.5px;line-height:1.3}
.scn-tx small{color:var(--sky);font-size:12px;font-weight:600}
.scn-stage{display:flex;flex-direction:column;gap:14px;min-width:0}
.scn-info{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;display:flex;flex-direction:column;gap:14px}
.scn-head{display:flex;gap:16px;justify-content:space-between;align-items:start}
.scn-head h2{font-size:clamp(20px,2.2vw,25px);font-weight:700;margin-top:4px}
.scn-head p{margin:6px 0 0}
.pager{display:flex;gap:6px;flex:none}
.scn-prod{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:12px;align-items:stretch}
.scn-prod .buy{grid-column:1/-1}
.mini{display:flex;gap:12px;align-items:center;text-decoration:none;background:var(--bg2);border-radius:10px;padding:10px}
.mini:hover b{color:var(--sky)}
.mini-ph{width:84px;height:84px;border-radius:10px;background:#fff;display:grid;place-items:center;overflow:hidden;flex:none}
.mini-ph img,.mini-ph svg{width:100%;height:100%;object-fit:contain;padding:10%}
.mini b{display:block;font-size:14.5px;line-height:1.35;margin:2px 0}
.real{display:flex;flex-direction:column;gap:10px}
.real h3{font-size:16px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.real h3 small{font-weight:500;color:var(--muted);font-size:13px}
.matrix table{width:100%;border-collapse:collapse;background:#fff;font-size:14px;min-width:900px}
.matrix th,.matrix td{padding:10px 8px;border-bottom:1px solid var(--line);text-align:center}
.matrix thead th{font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:var(--bg2);vertical-align:bottom}
.mth{display:flex;flex-direction:column;align-items:center;gap:6px}
.mth .im{width:58px;height:44px;border-radius:8px;background:#fff;overflow:hidden;display:grid;place-items:center}
.mth .im img,.mth .im svg{width:100%;height:100%;object-fit:contain;padding:4px}
.matrix tbody th{text-align:left;font-weight:600;white-space:nowrap}
.matrix tbody th a{text-decoration:none;display:flex;align-items:center;gap:10px}
.matrix tbody th .rp{width:54px;height:38px;border-radius:6px;overflow:hidden;background:var(--plate);flex:none;display:grid;place-items:center}
.matrix tbody th .rp img{width:100%;height:100%;object-fit:cover}
.matrix tbody th .rp img.contain,.matrix tbody th .rp img.cut{object-fit:contain;padding:3px}
.matrix tbody tr:hover{background:var(--bg2)}
.dotlink{display:inline-grid;place-items:center;min-width:30px;height:30px;border-radius:999px;background:#fff1e8;color:var(--primary);font-weight:700;text-decoration:none;font-variant-numeric:tabular-nums}
.dotlink:hover{background:var(--primary);color:#fff}

/* ---------- Ảnh dự án + lightbox ---------- */
.gal{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.gal.strip{grid-auto-flow:column;grid-auto-columns:minmax(200px,240px);grid-template-columns:none;overflow-x:auto;padding-bottom:4px}
.gal button{position:relative;padding:0;border:0;border-radius:10px;overflow:hidden;background:var(--plate);aspect-ratio:4/3;text-align:left}
.gal img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}
.gal button:hover img{transform:scale(1.06)}
.gal .gc{position:absolute;left:0;right:0;bottom:0;padding:22px 10px 8px;background:linear-gradient(transparent,rgb(10 20 40 / .85));font-size:13px;font-weight:600;color:#fff}
.gal .gc span{display:block;font-size:10.5px;color:#ffd2b4;text-transform:uppercase;letter-spacing:.08em}
.lb{position:fixed;inset:0;z-index:80;background:rgb(10 15 25 / .92);display:grid;place-items:center;padding:max(16px,env(safe-area-inset-top,0px)) 16px}
.lb figure{margin:0;max-width:min(1100px,100%);display:flex;flex-direction:column;gap:10px;align-items:center}
.lb img{max-height:78vh;width:auto;max-width:100%;border-radius:10px}
.lb figcaption{color:#fff;font-size:14px}
.lb .x{position:absolute;top:calc(14px + env(safe-area-inset-top,0px));right:16px;width:44px;height:44px;border-radius:50%;border:0;background:#fff;font-size:20px}
.lb .nav{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;border:0;background:#fff;font-size:20px}
.lb .prev{left:12px}.lb .next{right:12px}

/* ---------- Khối trang chủ khác ---------- */
.process{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;counter-reset:pr}
.process div{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;counter-increment:pr}
.process div::before{content:"0" counter(pr);display:block;font-weight:800;font-size:28px;color:var(--sky);line-height:1;margin-bottom:10px}
.process b{display:block;font-size:16px}
.process p{margin:4px 0 0;color:var(--muted);font-size:14px}
.marquee{overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.marquee .track{display:flex;gap:14px;width:max-content;animation:slide 50s linear infinite}
.marquee:hover .track{animation-play-state:paused}
.marquee .lg{flex:none;width:150px;height:90px;border-radius:10px;background:#fff;display:grid;place-items:center;overflow:hidden;border:1px solid var(--line)}
.marquee .lg img{width:100%;height:100%;object-fit:contain;padding:10px;filter:grayscale(1);opacity:.75;transition:.25s}
.marquee .lg:hover img{filter:none;opacity:1}
@keyframes slide{to{transform:translateX(-50%)}}
.app-teaser{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.app-teaser a{display:flex;flex-direction:column;text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:box-shadow .2s}
.app-teaser a:hover{box-shadow:var(--sh2)}
.app-teaser .ap{aspect-ratio:16/9;background:var(--plate);overflow:hidden;display:grid;place-items:center}
.app-teaser .ap img,.app-teaser .ap svg{width:100%;height:100%;object-fit:cover}
.app-teaser .ap img.contain,.app-teaser .ap img.cut{object-fit:contain;padding:8%}
.app-teaser .at{padding:14px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.app-teaser .tag{align-self:start}
.app-teaser b{font-size:15.5px}
.app-teaser small{color:var(--muted);font-size:13.5px}
.app-teaser .go{color:var(--sky);font-weight:600;font-size:13px;margin-top:auto}

/* ---------- Ảnh sản phẩm tách nền ---------- */
.ph:has(img.cut),.gallery:has(img.cut),.tile .tph:has(img.cut),.app-teaser .ap:has(img.cut){background:radial-gradient(circle at 50% 45%,#ffffff 0%,#f1f4f8 60%,#e8edf3 100%)}
img.cut{object-fit:contain!important;filter:drop-shadow(0 10px 12px rgb(16 24 40 / .16))}

/* ---------- Trang chính sách ---------- */
.policy-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:28px;padding-block:28px 56px;align-items:start}
.pnav{position:sticky;top:90px;display:flex;flex-direction:column;gap:2px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:8px}
.pnav a{text-decoration:none;padding:9px 12px;border-radius:8px;font-weight:600;font-size:14.5px;color:var(--ink2);border-left:3px solid transparent}
.pnav a:hover{background:var(--bg2);color:var(--sky)}
.pnav a.on{background:var(--soft);color:var(--sky);border-left-color:var(--sky)}
.doc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:clamp(18px,3vw,34px);max-width:860px;min-width:0}
.doc h2{font-size:19px;margin:26px 0 10px;color:var(--navy)}
.doc h2:first-child{margin-top:0}
.doc p,.doc li{font-size:15.5px;line-height:1.75;color:var(--ink2)}
.doc p{margin:0 0 10px}
.doc ul,.doc ol{margin:0 0 10px;padding-left:22px;display:flex;flex-direction:column;gap:6px}
.doc b{color:var(--ink)}
.doc a{color:var(--sky)}
.doc .steps-ol{counter-reset:s;list-style:none;padding:0;gap:10px}
.doc .steps-ol li{counter-increment:s;position:relative;padding:12px 14px 12px 54px;background:var(--bg2);border-radius:10px}
.doc .steps-ol li::before{content:counter(s);position:absolute;left:14px;top:12px;width:28px;height:28px;border-radius:50%;background:var(--sky);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px}
.ptable{width:100%;border-collapse:collapse;font-size:14.5px;margin:4px 0 12px;min-width:520px}
.ptable th,.ptable td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.ptable th{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);background:var(--bg2)}
.ptable td{color:var(--ink2)}
.callout{background:#fff6ef;border:1px solid #ffd9bf;border-left:3px solid var(--primary);border-radius:8px;padding:12px 14px!important}
.upd{margin-top:22px!important;font-size:13.5px!important;color:var(--muted)!important;border-top:1px solid var(--line);padding-top:14px}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .grid.five{grid-template-columns:repeat(4,minmax(0,1fr))}
  .site-footer .wrap{grid-template-columns:1fr 1fr 1fr}
  .hphone{display:none}
  .mainnav>a,.mainnav>.dd>a{padding:0 9px;font-size:14px}
}
@media (max-width:980px){
  .mainnav{display:none}
  .menu-btn{display:grid}
  .hd{gap:10px;min-height:60px}
  .hicons{margin-left:auto}
  .sim-sec .wrap,.dt,.sim-panel,.cart-layout{grid-template-columns:1fr}
  .cat-layout,.sol-layout{grid-template-columns:1fr}
  .filter-box{display:none}
  .mob-filters{display:flex}
  .sol-nav{position:static;flex-direction:row;overflow-x:auto}
  .sol-nav button{white-space:nowrap}
  .explorer{grid-template-columns:1fr}
  .scn-list{flex-direction:row;overflow-x:auto;max-height:none;padding-bottom:4px}
  .scn{min-width:250px}
  .process{grid-template-columns:1fr 1fr}
  .mega{display:none!important}
  .services .wrap{grid-template-columns:1fr 1fr;gap:16px}
  .grid.five{grid-template-columns:repeat(3,minmax(0,1fr))}
  .policy-layout{grid-template-columns:1fr}
  .pnav{position:static;flex-direction:row;overflow-x:auto}
  .pnav a{white-space:nowrap;border-left:0;border-bottom:3px solid transparent}
  .pnav a.on{border-bottom-color:var(--sky)}
  .slide.split .wrap{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .topbar .wrap span:first-child{display:none}
  .logo img{height:34px}
  .logo small{display:none}
  .logo strong{font-size:19px}
  .hicon{width:38px;height:38px}
  .two,.perks{grid-template-columns:1fr}
  .site-footer .wrap{grid-template-columns:1fr 1fr;gap:22px}
  .site-footer .wrap>div:first-child{grid-column:1/-1}
  .citem{grid-template-columns:56px minmax(0,1fr)}
  .citem .thumb{width:56px;height:56px}
  .citem .right{grid-column:2;flex-direction:row;align-items:center;justify-content:space-between}
  .scn-prod{grid-template-columns:1fr}
  .process{grid-template-columns:1fr}
  .fc.call span{display:none}
  .fc.call{padding:0;width:50px}
  .scn-head{flex-direction:column}
  .slide.split .wrap{grid-template-columns:1fr;gap:6px;padding-block:22px 40px;min-height:0}
  .sl-img{height:200px;order:-1}
  .sl-tx{gap:8px}
  .sl-tx h2{font-size:26px}
  .sl-tx p{font-size:14.5px}
  .sl-tx .btn{padding:11px 20px;font-size:13.5px}
  .sl-nav{display:none}
  .services .wrap{gap:14px 10px;padding-block:16px}
  .svc{flex-direction:column;text-align:center;gap:6px}
  .svc .ic{width:44px;height:44px}
  .svc b{font-size:13.5px}
  .svc small{font-size:12px}
  .cats{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px 10px}
  .cat-c b{font-size:13.5px}
  .grid,.grid.five{grid-template-columns:1fr 1fr;gap:10px}
  .card .body{padding:10px}
  .card h3{font-size:14px}
  .apps{display:none}
  .acts{flex-direction:column;gap:6px}
  .subs{grid-template-columns:1fr}
  .ptabs{justify-content:flex-start;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
  .ptabs button{white-space:nowrap}
  section{padding-block:34px}
  .page-head.has-img,.app-hero.has-img{padding-block:36px 32px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
.slide.split .wrap{position:relative;z-index:1}
@media (max-width:640px){
  .sl-img{height:180px}
  .sl-img.two img:first-child{max-width:66%;max-height:80%;transform:translateX(-14%)}
  .sl-img.two img+img{max-width:38%;right:6%}
  .slide.split::after{width:260px;height:260px;right:-90px;top:-90px}
}
form.f input,form.f select,form.f textarea{min-width:0;width:100%}
.acts .btn{white-space:nowrap;padding:8px 6px}
@media (max-width:640px){.sl-img.two img:first-child{transform:none;max-width:60%;margin-right:24%}}

/* =========================================================
   Đầu trang con: dải màu thương hiệu + đường mạch + thiết bị bay
   ========================================================= */
:root{--circuit:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='180'%3E%3Cg fill='none' stroke-width='1.4'%3E%3Cpath d='M0 34h70l22 22h78' stroke='%232f80ff' opacity='.32'/%3E%3Ccircle cx='173' cy='56' r='3.2' stroke='%232f80ff' opacity='.55'/%3E%3Cpath d='M260 120h-56l-22-22h-64' stroke='%23ff7a1a' opacity='.28'/%3E%3Ccircle cx='115' cy='98' r='3.2' stroke='%23ff7a1a' opacity='.5'/%3E%3Cpath d='M36 180v-44l22-22h36' stroke='%232f80ff' opacity='.22'/%3E%3Ccircle cx='97' cy='114' r='3.2' stroke='%232f80ff' opacity='.4'/%3E%3Cpath d='M200 0v26l18 18h42' stroke='%232f80ff' opacity='.2'/%3E%3C/g%3E%3C/svg%3E")}
.page-head.deco,.app-hero.deco{overflow:hidden;border:0;padding-block:34px 30px;
  background:radial-gradient(520px 260px at 82% 50%,rgb(47 128 255 / .45),transparent 70%),radial-gradient(420px 220px at 0% 100%,rgb(255 122 26 / .22),transparent 70%),var(--circuit),linear-gradient(110deg,#0a1733 0%,#122b5c 55%,#1a4cae 100%);
  background-size:auto,auto,260px 180px,auto}
.page-head.deco .wrap,.app-hero.deco .wrap{position:relative;z-index:1}
.page-head.deco h1,.app-hero.deco h1{color:#fff;font-size:clamp(26px,3.2vw,38px);max-width:18ch}
.page-head.deco p,.app-hero.deco p{color:#c9d6ee;max-width:56ch}
.page-head.deco .crumb,.app-hero.deco .crumb{color:#9fb3d8}
.page-head.deco .crumb a,.app-hero.deco .crumb a{color:#dbe5f7}
.page-head.deco .crumb a:hover{color:#ffb27a}
.app-hero.deco .stats b{color:#fff}.app-hero.deco .stats div{color:#9fb3d8;border-color:var(--primary)}
.ph-badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.ph-badges span{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:#fff;background:rgb(255 255 255 / .1);border:1px solid rgb(255 255 255 / .18);padding:5px 12px;border-radius:999px;backdrop-filter:blur(4px)}
.ph-badges svg{color:#ffb27a}
.app-hero.deco .ph-badges{display:none}
.ph-deco{position:absolute;right:max(16px,calc((100vw - 1240px)/2 + 10px));top:50%;width:min(440px,38vw);height:230px;transform:translateY(-50%);pointer-events:none}
.ph-deco::before{content:"";position:absolute;left:12%;right:12%;top:12%;bottom:4%;border-radius:50%;background:radial-gradient(closest-side,rgb(120 180 255 / .45),transparent);filter:blur(6px)}
.ph-deco img{position:absolute;object-fit:contain;filter:drop-shadow(0 18px 22px rgb(0 0 0 / .45));animation:float 6s ease-in-out infinite}
.ph-deco .d0{width:56%;height:62%;left:22%;top:6%;z-index:2}
.ph-deco .d1{width:34%;height:44%;left:0;bottom:2%;animation-delay:-2s;z-index:3}
.ph-deco .d2{width:32%;height:46%;right:0;bottom:6%;animation-delay:-4s;z-index:1}
@keyframes float{50%{transform:translateY(-10px)}}
@media (max-width:980px){.ph-deco{width:300px;height:170px;opacity:.55}}
@media (max-width:640px){.ph-deco{display:none}.page-head.deco,.app-hero.deco{padding-block:24px 22px}.ph-badges span{font-size:12px;padding:4px 10px}}

/* =========================================================
   Mô phỏng 3D: nền tối như bản đầu (xanh điện + cam neon)
   ========================================================= */
:root{--d-base:#0a1328;--d-floor:#0f1b36;--d-floor2:#17294f;--d-prop:#3b5c99;--d-prop2:#24395f;--d-person:#6aa8ff;--d-staff:#ff7a1a;--d-glass:#5fb0ff}
.sim{background:radial-gradient(90% 80% at 50% 30%,#14264f 0%,#0a1328 60%,#070c18 100%);border:1px solid #1e2c4f;box-shadow:0 30px 60px -30px rgb(10 20 50 / .7)}
.sim::after{content:"";position:absolute;inset:0;background:var(--circuit);background-size:260px 180px;opacity:.5;pointer-events:none}
.sim .hint{background:rgb(6 10 20 / .72);border-color:#1e2c4f;color:#a3b2d2}
.sim .cap span{background:rgb(10 17 34 / .92);border-color:#2a3d68;color:#e9effc;box-shadow:none}
.sim .cap i{box-shadow:0 0 0 5px rgb(255 122 26 / .2),0 0 14px #ff7a1a}
.sim .nogl{color:#a3b2d2}
/* khối mô phỏng trang chủ: cả dải tối */
.sim-sec{background:radial-gradient(800px 420px at 85% 20%,rgb(47 128 255 / .22),transparent 70%),radial-gradient(640px 360px at 0% 100%,rgb(255 122 26 / .16),transparent 70%),var(--circuit),#060a14;background-size:auto,auto,260px 180px,auto;color:#e9effc;margin-top:44px}
.sim-sec h2{color:#fff}
.sim-sec h2 em{color:#ff7a1a}
.sim-sec p.lead{color:#a3b2d2}
.sim-sec .eyebrow{color:#5aa4ff}
.sim-sec .stats div{color:#a3b2d2}
.sim-sec .stats b{color:#fff}
.sim-sec .btn:not(.pri){background:#0e1730;border-color:#2a3d68;color:#e9effc}
.sim-sec .btn:not(.pri):hover{border-color:#2f80ff;color:#fff}
.sim-sec .stab{background:#0e1730;border-color:#2a3d68;color:#a3b2d2}
.sim-sec .stab:hover{color:#fff;border-color:#2f80ff}
.sim-sec .stab[aria-pressed="true"]{background:#ff7a1a;border-color:#ff7a1a;color:#fff}

/* =========================================================
   Dự án thực tế: 3 kiểu hiển thị (chọn trong Quản trị)
   ========================================================= */
.gal-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:980px){.gal-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
/* chạy cuộn 2 dòng */
.gal-mq{display:flex;flex-direction:column;gap:12px;mask-image:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent)}
.mq-row{overflow:hidden}
.mq-track{display:flex;gap:12px;width:max-content;animation:slide var(--dur,60s) linear infinite}
.mq-row.rev .mq-track{animation-direction:reverse}
.gal-mq:hover .mq-track{animation-play-state:paused}
.mq-track button{position:relative;flex:none;width:clamp(220px,24vw,320px);aspect-ratio:4/3;padding:0;border:0;border-radius:12px;overflow:hidden;background:var(--plate);text-align:left}
.mq-track img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}
.mq-track button:hover img{transform:scale(1.06)}
.mq-track .gc{position:absolute;left:0;right:0;bottom:0;padding:22px 10px 8px;background:linear-gradient(transparent,rgb(10 20 40 / .85));font-size:13px;font-weight:600;color:#fff}
.mq-track .gc span{display:block;font-size:10.5px;color:#ffd2b4;text-transform:uppercase;letter-spacing:.08em}
/* showroom */
.showroom{display:flex;flex-direction:column;gap:12px}
.sr-stage{position:relative;aspect-ratio:21/9;border-radius:16px;overflow:hidden;background:#0a1328;box-shadow:var(--sh2)}
.sr-slide{position:absolute;inset:0;padding:0;border:0;background:none;opacity:0;transition:opacity .8s;cursor:zoom-in}
.sr-slide.on{opacity:1;z-index:1}
.sr-slide img{width:100%;height:100%;object-fit:cover;display:block;transform:scale(1.04);transition:transform 6s ease-out}
.sr-slide.on img{transform:scale(1)}
.sr-cap{position:absolute;z-index:2;left:0;right:0;bottom:0;display:flex;align-items:flex-end;gap:14px;padding:60px 24px 20px;background:linear-gradient(transparent,rgb(6 12 28 / .88));color:#fff;pointer-events:none}
.sr-ind{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#fff;background:var(--primary);padding:4px 10px;border-radius:4px;flex:none}
.sr-t{font-size:clamp(16px,2vw,22px);line-height:1.3;flex:1}
.sr-n{font-size:13px;color:#c9d6ee;flex:none;font-variant-numeric:tabular-nums}
.sr-nav{position:absolute;z-index:3;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;border:0;background:rgb(255 255 255 / .9);font-size:24px;color:var(--ink);box-shadow:var(--sh)}
.sr-nav:hover{background:#fff;color:var(--sky)}
.sr-nav.prev{left:14px}.sr-nav.next{right:14px}
.sr-thumbs{display:flex;gap:8px;overflow-x:auto;scrollbar-width:thin;padding-bottom:4px}
.sr-thumbs button{flex:none;width:118px;aspect-ratio:4/3;padding:0;border:2px solid transparent;border-radius:10px;overflow:hidden;opacity:.6;transition:opacity .2s,border-color .2s;background:var(--plate)}
.sr-thumbs button:hover{opacity:1}
.sr-thumbs button[aria-current="true"]{opacity:1;border-color:var(--primary)}
.sr-thumbs img{width:100%;height:100%;object-fit:cover;display:block}
@media (max-width:640px){.sr-stage{aspect-ratio:4/3}.sr-cap{flex-wrap:wrap;gap:6px;padding:40px 14px 12px}.sr-t{flex-basis:100%;order:3;font-size:15px}.sr-nav{width:38px;height:38px}.sr-thumbs button{width:86px}}

/* Thẻ ngành: ảnh sản phẩm tách nền nằm gọn trong khung, không bị cắt */
.ind-card .ip:has(img.cut),.ind-card .ip:has(img.contain){background:radial-gradient(circle at 50% 50%,#fff 0%,#eef2f7 70%)}
.ind-card .ip img.cut,.ind-card .ip img.contain{object-fit:contain!important;padding:9% 26%;filter:drop-shadow(0 10px 12px rgb(16 24 40 / .16))}
.ind-card .ip{position:relative;min-height:0}
.ind-card .ip img,.ind-card .ip svg{position:absolute;inset:0;width:100%;height:100%}