/* sanjiang-security.com.vn – giao dien chung */
:root{
  --blue:#0d569e; --blue-d:#083e74; --blue-dd:#062b52; --blue-l:#e8f0f9;
  --red:#d7262e; --red-d:#b51d24;
  --ink:#16202c; --ink-2:#3d4a5a; --muted:#6b7787; --line:#dfe5ec; --bg:#ffffff; --bg-2:#f4f7fa;
  --radius:10px; --shadow:0 6px 24px rgba(13,40,80,.08); --shadow-h:0 10px 32px rgba(13,40,80,.16);
  --font:"Be Vietnam Pro","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font:400 15.5px/1.65 var(--font);color:var(--ink);background:var(--bg)}
.lang-zh body,body.lang-zh{font-family:"Noto Sans SC","Be Vietnam Pro",system-ui,sans-serif}
img{max-width:100%;height:auto}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--blue-d)}
h1,h2,h3,h4{line-height:1.25;color:var(--ink);margin:0 0 .5em}
p{margin:0 0 .8em}
.wrap{max-width:1240px;margin:0 auto;padding:0 16px}
.small{font-size:13px;color:var(--muted)}
.skip{position:absolute;left:-999px}
.skip:focus{left:8px;top:8px;background:#fff;padding:6px 10px;z-index:99}

/* topbar */
.topbar{background:var(--blue-dd);color:#c9d8ea;font-size:13px}
.topbar-in{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:36px}
.topbar strong{color:#fff;font-weight:600}
.tb-right{display:flex;align-items:center;gap:16px;white-space:nowrap}
.tb-link{color:#fff;display:inline-flex;align-items:center;gap:6px}
.tb-link svg{width:14px;height:14px;fill:#fff}
.langs{display:inline-flex;border:1px solid rgba(255,255,255,.25);border-radius:6px;overflow:hidden}
.langs a{color:#c9d8ea;padding:2px 9px;font-weight:600}
.langs a.on{background:#fff;color:var(--blue-dd)}

/* header */
.header{background:var(--blue);position:sticky;top:0;z-index:50;box-shadow:0 2px 10px rgba(0,0,0,.12)}
.header-in{display:flex;align-items:center;gap:24px;min-height:68px;position:relative}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo img{display:block;width:160px;height:auto}
.logo-vn{color:#fff;font-size:11px;letter-spacing:.18em;font-weight:700;border-left:1px solid rgba(255,255,255,.4);padding-left:10px}
.nav{display:flex;align-items:center;gap:18px;margin-left:auto}
.nav>ul{display:flex;list-style:none;margin:0;padding:0;gap:2px}
.nav>ul>li{position:relative}
.nav>ul>li>a{display:block;color:#fff;font-weight:600;padding:22px 12px;font-size:15px}
.nav>ul>li.act>a,.nav>ul>li>a:hover{background:var(--blue-d);color:#fff}
.drop,.mega{position:absolute;top:100%;left:0;background:#fff;box-shadow:var(--shadow-h);border-radius:0 0 var(--radius) var(--radius);opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s;z-index:60}
.drop{min-width:230px;padding:8px 0}
.drop a{display:block;padding:9px 18px;color:var(--ink);font-size:14.5px}
.drop a:hover{background:var(--blue-l);color:var(--blue)}
.nav>ul>li.has-mega{position:static}
.mega{left:16px;right:16px}
.mega-in{display:grid;grid-template-columns:repeat(5,1fr);gap:8px 20px;padding:22px 24px}
.mega-col a{display:block;color:var(--ink-2);font-size:14px;padding:4px 0}
.mega-col a:hover{color:var(--blue)}
.mega-col .mega-h{font-weight:700;color:var(--blue);font-size:14.5px;padding-bottom:8px;margin-bottom:4px;border-bottom:2px solid var(--blue-l)}
.mega-das .mega-h{color:var(--red);border-color:#fbe3e4}
.has-sub:hover .drop,.has-sub:hover .mega,.has-sub:focus-within .drop,.has-sub:focus-within .mega{opacity:1;visibility:visible;transform:none}
.nav-toggle{display:none;margin-left:auto;background:none;border:0;color:#fff;cursor:pointer;align-items:center;gap:6px;padding:8px}
.burger{display:flex;flex-direction:column;gap:5px}.nav-toggle span{display:block;width:22px;height:2px;background:#fff}
.nav-toggle b{font-size:13px;margin-left:6px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:8px;font-weight:600;font-size:15px;border:2px solid transparent;cursor:pointer;transition:.15s;font-family:inherit;line-height:1.2}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-d);color:#fff}
.btn-quote{background:var(--red);color:#fff;padding:9px 16px;white-space:nowrap}
.btn-quote:hover{background:var(--red-d);color:#fff}
.btn-ghost{border-color:var(--blue);color:var(--blue);background:#fff}
.btn-ghost:hover{background:var(--blue);color:#fff}
.btn-light{background:#fff;color:var(--blue-dd)}
.btn-light:hover{background:var(--blue-l);color:var(--blue-dd)}
.btn-ghost-light{border-color:rgba(255,255,255,.7);color:#fff}
.btn-ghost-light:hover{background:#fff;color:var(--blue-dd)}

/* crumbs + page head */
.crumbs{background:var(--bg-2);border-bottom:1px solid var(--line);font-size:13.5px}
.crumbs .wrap{padding-top:10px;padding-bottom:10px;display:flex;flex-wrap:wrap;gap:6px;color:var(--muted)}
.crumbs em{font-style:normal;color:var(--ink-2)}
.page-head{background:linear-gradient(120deg,var(--blue-dd),var(--blue));color:#fff;padding:38px 0 34px}
.page-head h1{color:#fff;font-size:clamp(24px,3.2vw,34px);margin:0 0 8px}
.page-head .lead{color:#d5e3f3;max-width:880px;margin:0}
.page-head-das{background:linear-gradient(120deg,#5a0f13,var(--red) 55%,#e9563a)}
.page-head-das .lead{color:#ffe3df}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:12px;font-weight:700;opacity:.85;margin:0 0 8px}
.pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.pills a,.pills button{border:1px solid rgba(255,255,255,.45);color:#fff;background:transparent;padding:6px 14px;border-radius:999px;font:600 13.5px var(--font);cursor:pointer}
.pills .on,.pills a:hover,.pills button:hover{background:#fff;color:var(--blue-dd)}
.page-body .pills button{border-color:var(--line);color:var(--ink-2)}
.page-body .pills .on,.page-body .pills button:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.lead{font-size:16.5px;color:var(--ink-2);max-width:900px}

/* hero */
.hero{position:relative;min-height:440px;display:flex;align-items:center;color:#fff;overflow:hidden;background:var(--blue-dd)}
.hero-slides{position:absolute;inset:0}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1.2s}
.hero-slide.on{opacity:1}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,43,82,.97) 0%,rgba(6,43,82,.9) 50%,rgba(6,43,82,.25) 100%)}
.hero-in{position:relative;z-index:2;padding:56px 16px;width:100%}
.hero h1{color:#fff;font-size:clamp(28px,4vw,46px);max-width:720px;margin-bottom:14px}
.hero-sub{font-size:17px;max-width:620px;color:#dbe7f5}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}

.stats{background:#fff;border-bottom:1px solid var(--line)}
.stats-in{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:22px 16px}
.stats b{display:block;font-size:26px;color:var(--blue);font-weight:700}
.stats span{color:var(--muted);font-size:14px}

/* sections */
.sec{padding:52px 0}
.sec-sm{padding:30px 0}
.sec-alt{background:var(--bg-2)}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:22px}
.sec-head h2{font-size:clamp(21px,2.4vw,28px);margin:0}
.sec-head a{font-weight:600;white-space:nowrap}
.grp-title{font-size:20px;margin:34px 0 16px;padding-left:12px;border-left:4px solid var(--red)}
.grp-title small{color:var(--muted);font-weight:500;font-size:14px;margin-left:6px}
.h-sm{font-size:16px;margin:18px 0 8px}

.systems{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.system{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;gap:6px;color:var(--ink);transition:.18s}
.system:hover{box-shadow:var(--shadow-h);transform:translateY(-3px);color:var(--ink)}
.system-img{aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;background:var(--bg-2);border-radius:8px;margin-bottom:6px}
.system-img img{max-height:85%;max-width:85%;object-fit:contain}
.system strong{font-size:15.5px}
.system span:last-child{color:var(--muted);font-size:13px}
.system.das strong{color:var(--red)}

.series3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:6px 0 26px}
.series{display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--line);border-top:4px solid var(--red);border-radius:var(--radius);padding:18px;color:var(--ink);transition:.18s}
.series:hover{box-shadow:var(--shadow-h);color:var(--ink)}
.series-img{height:150px;display:flex;align-items:center;justify-content:center}
.series-img img{max-height:100%;object-fit:contain}
.series strong{font-size:17px}
.series span:not(.series-img){color:var(--ink-2);font-size:14.5px}
.series em{font-style:normal;color:var(--red);font-weight:600;font-size:14px;margin-top:auto}
.series3-big{margin-top:30px}

/* grid + card */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.grid-5{grid-template-columns:repeat(5,1fr)}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;color:var(--ink);transition:.18s}
.card:hover{box-shadow:var(--shadow-h);transform:translateY(-3px);color:var(--ink);border-color:#c8d6e6}
.card-img{position:relative;aspect-ratio:1/1;background:#fff;display:flex;align-items:center;justify-content:center;padding:14px;border-bottom:1px solid var(--line)}
.card-img img{max-width:100%;max-height:100%;object-fit:contain}
.badge{position:absolute;top:10px;left:10px;background:var(--red);color:#fff;font-style:normal;font-size:11.5px;font-weight:700;padding:2px 8px;border-radius:4px}
.card-body{display:flex;flex-direction:column;gap:4px;padding:12px 14px 14px;flex:1}
.card-model{font-weight:700;color:var(--blue);font-size:14px;word-break:break-word}
.card-name{font-size:14px;color:var(--ink-2);line-height:1.45;flex:1}
.price{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px;margin-top:6px;font-size:13px;color:var(--muted)}
.price em{font-style:normal;width:100%;font-size:11.5px;text-transform:uppercase;letter-spacing:.04em}
.price b{color:var(--red);font-size:16px}
.price-none{color:var(--blue);font-weight:600;font-size:13px}

/* layout listing */
.layout{display:grid;grid-template-columns:250px 1fr;gap:28px;padding-top:28px;padding-bottom:40px}
.side{position:sticky;top:88px;align-self:start;max-height:calc(100vh - 100px);overflow:auto;border:1px solid var(--line);border-radius:var(--radius);padding:12px}
.side-grp{padding:6px 0;border-bottom:1px solid var(--line)}
.side-grp:last-child{border:0}
.side a{display:block;color:var(--ink-2);font-size:14px;padding:5px 8px;border-radius:6px}
.side a.on,.side a:hover{background:var(--blue-l);color:var(--blue)}
.side .side-h{font-weight:700;color:var(--ink)}
.content{min-width:0}
.search{margin:0 0 18px}
.search input{width:100%;padding:12px 16px;border:1px solid var(--line);border-radius:8px;font:inherit;background:#fff}
.search input:focus{outline:2px solid var(--blue-l);border-color:var(--blue)}
.no-result{color:var(--muted);margin-top:10px}

/* product detail */
.pd{padding-top:28px;padding-bottom:30px}
.pd-top{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:40px}
.pd-main{border:1px solid var(--line);border-radius:var(--radius);aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;padding:24px;background:#fff}
.pd-main img{max-height:100%;object-fit:contain}
.pd-thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.pd-thumbs button{width:72px;height:72px;border:1px solid var(--line);border-radius:8px;background:#fff;padding:6px;cursor:pointer}
.pd-thumbs button.on{border-color:var(--blue);box-shadow:0 0 0 2px var(--blue-l)}
.pd-thumbs img{width:100%;height:100%;object-fit:contain}
.pd-series{color:var(--muted);font-size:14px;margin:0 0 6px}
.pd-info h1{font-size:clamp(22px,2.6vw,30px)}
.pd-model{display:block;color:var(--blue);font-size:.8em;margin-bottom:4px}
.pd-short{color:var(--ink-2)}
.pd-certs{display:flex;gap:10px;margin:12px 0}
.pricebox{margin-top:18px;border:1px solid var(--line);border-left:4px solid var(--red);border-radius:var(--radius);padding:16px 18px;background:#fffafa}
.pb-label{font-size:12.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:700}
.pb-val{font-size:28px;font-weight:700;color:var(--red)}
.pb-val small{font-size:14px;color:var(--muted);font-weight:500}
.pb-var{width:100%;border-collapse:collapse;margin:6px 0}
.pb-var td{padding:5px 6px;border-bottom:1px dashed var(--line);font-size:14px}
.pb-var .num{font-weight:700;color:var(--red);text-align:right;white-space:nowrap}
.pb-alias{font-size:13px;color:var(--ink-2);margin-top:4px}
.pb-note{font-size:12.5px;color:var(--muted);margin-top:6px}
.pb-btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.tabs{margin-top:36px}
.tab-btns{display:flex;gap:4px;border-bottom:2px solid var(--line);overflow-x:auto}
.tab-btns button{background:none;border:0;padding:12px 18px;font:600 15px var(--font);color:var(--muted);cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-2px;white-space:nowrap}
.tab-btns button.on{color:var(--blue);border-color:var(--blue)}
.tab{display:none;padding:22px 0}
.tab.on{display:block}

/* rich content */
.rich{overflow-wrap:break-word}
.rich img{display:block;margin:12px auto;border-radius:6px}
.rich table{width:100%;border-collapse:collapse;margin:12px 0 18px;font-size:14.5px;display:block;overflow-x:auto}
.rich table tbody,.rich table thead{display:table;width:100%}
.rich td,.rich th{border:1px solid var(--line);padding:8px 12px;vertical-align:top;text-align:left}
.rich tr:nth-child(even) td{background:#fafbfd}
.rich th{background:var(--bg-2);font-weight:600;width:34%}
.rich td:first-child:not(:only-child){font-weight:600;color:var(--ink-2);background:#f7f9fc;width:34%}
.rich h2{font-size:21px;margin-top:26px}
.rich h3{font-size:18px;margin-top:22px}
.rich h4,.rich h5{font-size:16px;margin-top:18px}
.rich ul,.rich ol{padding-left:22px}
.rich li{margin:4px 0}
.feat ul{list-style:none;padding:0}
.feat li{position:relative;padding-left:22px}
.feat li::before{content:"";position:absolute;left:2px;top:.6em;width:9px;height:9px;border-radius:2px;background:var(--red)}
.tv-kpi{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:16px 0}
.tv-kpi>*{background:var(--blue-l);border-radius:8px;padding:12px 14px;display:flex;flex-direction:column}
.tv-kpi strong{font-size:22px;color:var(--blue)}
.tv-kpi span{font-size:13.5px;color:var(--ink-2)}
.tv-pd-lead{font-size:16.5px;color:var(--ink-2)}
.tv-tags{display:flex;flex-wrap:wrap;gap:8px}
.tv-tags span{background:var(--bg-2);border:1px solid var(--line);padding:4px 12px;border-radius:999px;font-size:13.5px}

/* tables */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}
.tbl{width:100%;border-collapse:collapse;font-size:14.5px;min-width:720px}
.tbl th,.tbl td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.tbl thead th{background:var(--blue);color:#fff;font-weight:600;position:sticky;top:0}
.tbl tbody tr:hover td{background:#f6f9fd}
.tbl .num{text-align:right;white-space:nowrap}
.price-table td:nth-child(2),.price-table td:nth-child(4){white-space:nowrap}
.price-table td:nth-child(8){font-size:12px;min-width:150px}
.tbl-compare th{background:var(--bg-2);min-width:160px}
.tbl-compare tr:first-child th{background:var(--blue);color:#fff}

/* articles */
.agrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.agrid-4{grid-template-columns:repeat(4,1fr)}
.acard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;color:var(--ink);height:100%;transition:.18s}
.acard:hover{box-shadow:var(--shadow-h);color:var(--ink)}
.acard-img{aspect-ratio:16/10;background:var(--bg-2);overflow:hidden}
.acard-img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.acard:hover .acard-img img{transform:scale(1.04)}
.acard-body{padding:14px 16px 18px;display:flex;flex-direction:column;gap:6px}
.acard time{color:var(--muted);font-size:13px}
.acard strong{font-size:16px;line-height:1.4}
.acard-body span{color:var(--ink-2);font-size:14px}
.fitem[hidden]{display:none}
.art{max-width:900px;padding-top:30px;padding-bottom:30px}
.art-head time{color:var(--muted)}
.art-head h1{font-size:clamp(23px,3vw,32px)}
.art-cover{width:100%;border-radius:var(--radius);margin:10px 0 20px}
.art-src{margin-top:26px;font-weight:600}
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:30px 0}
.cert{margin:0;border:1px solid var(--line);border-radius:var(--radius);padding:12px;background:#fff;text-align:center}
.cert img{max-height:240px;object-fit:contain;margin:0 auto 6px;display:block}
.cert figcaption{font-size:14px;font-weight:600}
.cert[hidden]{display:none}

/* docs */
.docs{list-style:none;padding:0;margin:0 0 30px;display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.docs a{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:8px;padding:10px 14px;color:var(--ink);background:#fff;flex-wrap:wrap}
.docs a:hover{border-color:var(--blue);color:var(--blue)}
.docs small{width:100%;padding-left:52px;color:var(--muted);margin-top:-4px}
.pdf{flex:0 0 40px;height:26px;border-radius:4px;background:var(--red);color:#fff;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;text-transform:uppercase}
.dl-list li[hidden]{display:none}

/* contact */
.page-body{padding-top:28px;padding-bottom:40px}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:10px 0 30px}
.contact-card{border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px}
.contact-card h3{color:var(--blue)}
.contact-card p{margin:0 0 6px}
.qform{border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:var(--bg-2);scroll-margin-top:100px}
.qgrid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.qform label{display:flex;flex-direction:column;gap:4px;font-weight:600;font-size:14px;margin-bottom:12px}
.qform input,.qform textarea{font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:#fff}

/* cta + footer */
.cta-band{background:linear-gradient(110deg,var(--blue-dd),var(--blue));color:#fff;padding:34px 0;margin-top:40px}
.cta-in{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.cta-in h2{color:#fff;margin:0 0 4px}
.cta-in p{margin:0;color:#cfe0f2}
.cta-btns{display:flex;gap:10px;flex-wrap:wrap}
.footer{background:#0b1a2b;color:#a9b6c6;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr .8fr;gap:30px;padding:44px 16px 30px}
.footer h3{color:#fff;font-size:15px;margin-bottom:12px}
.footer a{color:#d6e2f0}
.footer a:hover{color:#fff}
.foot-brand img{margin-bottom:12px}
.foot-links a{display:block;padding:3px 0}
.foot-bottom{border-top:1px solid #1d3048;padding:14px 0;font-size:12.5px}
.float-call{position:fixed;right:16px;bottom:16px;width:52px;height:52px;border-radius:50%;background:var(--red);display:none;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(215,38,46,.45);z-index:70}
.float-call svg{width:24px;height:24px;fill:#fff}

/* responsive */
@media (max-width:1100px){
  .grid{grid-template-columns:repeat(3,1fr)}
  .grid-5,.systems{grid-template-columns:repeat(3,1fr)}
  .agrid-4,.cert-grid{grid-template-columns:repeat(3,1fr)}
  .nav>ul>li>a{padding:22px 8px;font-size:14px}
}
@media (max-width:960px){
  .nav-toggle{display:flex}
  .nav{position:fixed;inset:104px 0 0 0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 16px 30px;overflow:auto;transform:translateX(100%);transition:.25s;margin:0}
  .nav.open{transform:none}
  .nav>ul{flex-direction:column}
  .nav>ul>li>a{color:var(--ink);padding:12px 6px;border-bottom:1px solid var(--line)}
  .nav>ul>li.act>a,.nav>ul>li>a:hover{background:none;color:var(--blue)}
  .drop,.mega{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;width:auto;display:none}
  .has-sub.open .drop,.has-sub.open .mega{display:block}
  .mega-in{grid-template-columns:1fr 1fr;padding:10px 0}
  .btn-quote{margin-top:14px}
  .layout{grid-template-columns:1fr}
  .side{position:static;max-height:none}
  .pd-top{grid-template-columns:1fr;gap:20px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .series3{grid-template-columns:1fr}
  .agrid{grid-template-columns:repeat(2,1fr)}
  .float-call{display:flex}
  .tb-dist{display:none}
  .topbar-in{justify-content:flex-end}
}
@media (max-width:640px){
  body{font-size:15px}
  .grid,.grid-5,.systems{grid-template-columns:repeat(2,1fr);gap:10px}
  .agrid,.agrid-4,.cert-grid,.docs,.contact-grid,.qgrid{grid-template-columns:1fr}
  .stats-in{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr}
  .hide-sm{display:none}
  .hero{min-height:380px}
  .mega-in{grid-template-columns:1fr}
  .header-in{gap:10px}
  .logo-vn{display:none}
  .logo img{width:130px}
  .card-body{padding:10px}
  .sec{padding:36px 0}
}

.foot-sites{border-top:1px solid #1d3048;padding:14px 0;font-size:13.5px}
.foot-sites .wrap{display:flex;flex-wrap:wrap;gap:6px 18px;align-items:center}
.foot-sites span{color:#fff;font-weight:600}