:root{--nx-p:#0057BB;--nx-p2:#2f8bf0;--nx-dark:#001F42;--nx-b1:#ff3b44;--nx-b2:#c8050f;--nx-b3:#8a0309;--nx-glow:rgba(250,10,21,.30);--nx-ink:#18202b;--nx-muted:#5b6574;--nx-line:#e2e8f0;--nx-soft:#f4f7fb;--nx-fd:'Baloo 2','Be Vietnam Pro',system-ui,sans-serif;--nx-fb:'Be Vietnam Pro',system-ui,-apple-system,sans-serif}
.nx-w{max-width:1200px;margin:0 auto;padding:0 16px}
.nx-skip{position:absolute;left:-999px}
.nx-skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:99}
.nx-hd{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);backdrop-filter:blur(8px);box-shadow:0 1px 0 var(--nx-line)}
.nx-hd-r{display:flex;align-items:center;gap:12px;height:66px}
.nx-burger{flex:none;width:42px;height:42px;border-radius:12px;background:var(--nx-soft);border:0;display:grid;place-items:center;cursor:pointer}
.nx-burger i{display:block;width:18px;height:2px;background:var(--nx-ink);box-shadow:0 6px 0 var(--nx-ink),0 -6px 0 var(--nx-ink);border-radius:2px}
.nx-logo img{height:48px;width:auto;animation:nxlg 5s ease-in-out infinite}
@keyframes nxlg{0%,100%{transform:none}50%{transform:translateY(-2px) scale(1.04)}}
.nx-hot{margin-left:auto;white-space:nowrap;font-weight:700;color:var(--nx-p);display:flex;align-items:center;gap:6px;font-size:15px}
.nx-hot svg{width:18px;height:18px;fill:currentColor}
.nx-mn{display:flex;gap:8px;overflow-x:auto;padding:0 16px 10px;scrollbar-width:none;max-width:1200px;margin:0 auto}
.nx-mn::-webkit-scrollbar{display:none}
.nx-mn a{flex:none;padding:7px 14px;border-radius:999px;border:1.5px solid var(--nx-line);font-weight:600;font-size:14px;background:#fff}
.nx-mn a:first-child{background:var(--nx-p);border-color:var(--nx-p);color:#fff}
.nx-dn{display:none}
.nx-dr{position:fixed;inset:0;z-index:80;background:rgba(10,20,35,.45);display:none}
.nx-dr.nx-on{display:block}
.nx-dr-p{position:absolute;left:0;top:0;bottom:0;width:min(86vw,340px);background:#fff;padding:18px;overflow:auto;display:flex;flex-direction:column;gap:4px}
.nx-dr-p b{font-family:var(--nx-fd);font-size:20px;margin:6px 0 8px}
.nx-dr-p a{padding:10px 4px;border-bottom:1px solid var(--nx-line);font-weight:600}
.nx-dr-p a.nx-sub{padding-left:18px;font-weight:500;color:var(--nx-muted)}
.nx-dr-x{position:absolute;right:12px;top:12px;border:0;background:var(--nx-soft);width:36px;height:36px;border-radius:10px;font-size:18px;cursor:pointer}
.nx-mq{background:var(--nx-dark);color:#fff;overflow:hidden;white-space:nowrap;font-size:13.5px;font-weight:600;padding:8px 0}
.nx-mq-t{display:inline-flex;gap:0;animation:nxmq 45s linear infinite}
.nx-mq-t span:after{content:"•";color:var(--nx-p2);margin:0 14px}
@keyframes nxmq{to{transform:translateX(-50%)}}
.nx-btn{position:relative;overflow:hidden;display:block;text-align:center;border:0;cursor:pointer;font:700 14.5px var(--nx-fb);color:#fff;padding:10px 12px;border-radius:12px;background:linear-gradient(180deg,var(--nx-b1),var(--nx-b2));box-shadow:inset 0 1px 0 rgba(255,255,255,.45),0 4px 0 var(--nx-b3),0 8px 18px var(--nx-glow);transition:transform .15s,box-shadow .15s}
.nx-btn:before{content:"";position:absolute;left:8%;right:8%;top:2px;height:46%;border-radius:10px;background:linear-gradient(rgba(255,255,255,.55),rgba(255,255,255,0));pointer-events:none}
.nx-btn:after{content:"";position:absolute;top:0;bottom:0;width:40%;left:-60%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent);transform:skewX(-20deg);animation:nxsh 3.6s ease-in-out infinite}
@keyframes nxsh{0%,70%{left:-60%}100%{left:130%}}
.nx-btn:active{transform:translateY(3px);box-shadow:inset 0 1px 0 rgba(255,255,255,.45),0 1px 0 var(--nx-b3),0 3px 8px var(--nx-glow)}
.nx-btn.nx-gh{background:#fff;color:var(--nx-p);box-shadow:inset 0 0 0 1.5px var(--nx-p)}
.nx-btn.nx-gh:before,.nx-btn.nx-gh:after{display:none}
.nx-ft{margin-top:40px;background:var(--nx-dark);color:rgba(255,255,255,.78);font-size:14px}
.nx-ft .nx-w{padding-top:28px;padding-bottom:24px;display:grid;gap:22px}
.nx-ft b{color:#fff;font-family:var(--nx-fd);font-size:17px;display:block;margin-bottom:6px}
.nx-ft .nx-lo{background:#fff;border-radius:12px;padding:6px 10px;display:inline-block}
.nx-ft .nx-lo img{height:40px;width:auto}
.nx-ft a{color:rgba(255,255,255,.88)}
.nx-ft a:hover{color:#fff}
.nx-ft ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.nx-ft .nx-cty{border-top:1px solid rgba(255,255,255,.14);padding-top:14px;font-size:13px}
.nx-bb{position:fixed;left:0;right:0;bottom:0;z-index:60;display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:8px 12px calc(10px + env(safe-area-inset-bottom,0px));background:rgba(255,255,255,.97);box-shadow:0 -6px 18px rgba(0,0,0,.08)}
.nx-bb .nx-btn{display:flex;align-items:center;justify-content:center;gap:6px}
.nx-bb svg{width:18px;height:18px;fill:currentColor}
@media (min-width:900px){.nx-burger,.nx-mn,.nx-bb{display:none}body.nx-body{padding-bottom:0}.nx-hd-r{height:78px}.nx-logo img{height:56px}.nx-dn{display:flex;gap:4px;margin-left:22px}.nx-dn>div{position:relative}.nx-dn>div>a{display:block;padding:10px 12px;font-weight:600;border-radius:10px}.nx-dn>div>a:hover{background:var(--nx-soft);color:var(--nx-p)}.nx-dn>div:first-child>a{color:var(--nx-p)}.nx-dn .nx-dd{position:absolute;left:0;top:100%;min-width:180px;background:#fff;border-radius:14px;box-shadow:0 14px 34px rgba(16,24,40,.14);padding:8px;display:none}.nx-dn>div:hover .nx-dd,.nx-dn>div:focus-within .nx-dd{display:block}.nx-dn .nx-dd a{display:block;padding:8px 10px;border-radius:8px;font-weight:600}.nx-dn .nx-dd a:hover{background:var(--nx-soft);color:var(--nx-p)}.nx-hot{font-size:17px}.nx-ft .nx-w{grid-template-columns:1.3fr 1fr 1fr 1fr}.nx-ft .nx-cty{grid-column:1/-1}}
/* khung chung trang trong */
body.nx-body{padding-bottom:76px;font-family:var(--nx-fb)}
body.nx-body main h1,body.nx-body main h2,body.nx-body main h3,body.nx-body article h1,body.nx-body article h2,body.nx-body article h3,body.nx-body .pagehead h1,body.nx-body .section h2{font-family:var(--nx-fd);letter-spacing:0;text-transform:none}
.nx-hd,.nx-hd *,.nx-dr,.nx-dr *,.nx-ft,.nx-ft *,.nx-bb,.nx-bb *,.nx-mq,.nx-mq *{box-sizing:border-box}
.nx-hd,.nx-dr,.nx-ft,.nx-bb,.nx-mq{font-family:var(--nx-fb);line-height:1.6;font-size:15.5px}
.nx-hd a,.nx-dr a,.nx-ft a,.nx-bb a{text-decoration:none;color:inherit}
.nx-hd img,.nx-ft img{max-width:100%;height:auto;display:block}
.nx-ft{font-size:14px}.nx-ft b{font-family:var(--nx-fd)}.nx-ft p{margin:8px 0 0}
.nx-ft ul li{margin:0}
.nx-mn a:first-child{color:#fff}
@media (prefers-reduced-motion:reduce){.nx-logo img,.nx-mq-t,.nx-btn:after{animation:none!important}}
@media (min-width:900px){body.nx-body{padding-bottom:0}}
.nx-hd .nx-logo{flex:none;display:block;line-height:0}
.nx-hd .nx-logo img{height:48px!important;width:auto!important;max-width:none!important;max-height:none!important;margin:0!important}
.nx-ft .nx-lo img{height:40px!important;width:auto!important}
.nx-mq-t span{display:inline-block;flex:none;white-space:nowrap}
.nx-hd nav,.nx-hd nav a{float:none;position:static}
@media (min-width:900px){.nx-hd .nx-logo img{height:56px!important}.nx-dn>div{position:relative}}
.nx-mq-t{width:max-content;max-width:none}.nx-mq-t span{position:static!important;max-width:none!important;width:auto!important;overflow:visible!important;margin:0!important;padding:0!important}