/* LevelQuants — vo web. 0 JavaScript. */
:root{--nen:#0E1114;--panel:#141922;--panel2:#12161D;--vien:#242B35;--vien2:#1E242C;
--chu:#ECEFF3;--chu2:#C4CCD6;--mo:#AEB7C2;--mo2:#9AA4B2;--mo3:#78828F;--mo4:#6E7884;
--vang:#C9A24B;--vang2:#E7CB84;--xanh:#9FC7A6}
*{box-sizing:border-box}
body{margin:0;background:var(--nen);color:var(--chu);font-size:16px;line-height:1.55;
font-family:'Be Vietnam Pro',system-ui,-apple-system,Segoe UI,sans-serif;-webkit-text-size-adjust:100%}
a{color:var(--vang2);text-decoration:none}a:hover{color:#F2DDA3}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--vang2);outline-offset:2px}
img{max-width:100%;height:auto}
.d{font-family:'Noto Serif Display',Georgia,serif}
.m{font-family:'IBM Plex Mono',ui-monospace,monospace;font-variant-numeric:tabular-nums}
.wrap{max-width:1160px;margin:0 auto;padding-left:24px;padding-right:24px}
.skip{position:absolute;left:-9999px}.skip:focus{left:8px;top:8px;background:var(--vang);color:var(--nen);padding:10px 14px;border-radius:7px;z-index:9}

header{border-bottom:1px solid var(--vien2)}
.nav{display:flex;flex-wrap:wrap;align-items:center;gap:14px 26px;padding-top:20px;padding-bottom:20px}
.brand{display:flex;align-items:center;gap:11px;color:var(--chu);font-weight:700;font-size:20px}
.mark{display:inline-flex;width:30px;height:30px;border:1px solid var(--vang);border-radius:6px;
align-items:center;justify-content:center;color:var(--vang);font-weight:600;font-size:13px}
.grow{flex:1 1 auto}
.navlink{color:var(--chu2);font-weight:500}
.lang{display:flex;border:1px solid #2C3540;border-radius:7px;overflow:hidden}
.lang a,.lang span{font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:12px;font-weight:600;
padding:7px 11px;letter-spacing:.03em;line-height:1.3}
.lang .on{background:var(--vang);color:var(--nen)}
.lang .off{color:var(--mo2)}
.btn{display:inline-block;font-weight:600;padding:10px 17px;border-radius:7px;min-height:44px;line-height:24px}
.btn-v{background:var(--vang);color:var(--nen)}
.btn-g{border:1px solid #2C3540;color:var(--chu);font-weight:500}

.hero{display:flex;flex-wrap:wrap;gap:56px 48px;align-items:center;padding-top:80px;padding-bottom:48px}
.hero-txt{flex:999 1 460px;min-width:0}.hero-img{flex:1 1 420px;min-width:0}
.eyebrow{display:flex;align-items:center;gap:12px;color:var(--vang);font-size:14px;font-weight:500}
.eyebrow i{width:34px;height:1px;background:var(--vang);display:inline-block}
h1{font-size:58px;line-height:1.08;font-weight:600;margin:22px 0 0;letter-spacing:-.005em}
.lead{font-size:19px;color:var(--mo);margin:22px 0 0;max-width:30em;line-height:1.6}
.lead b{color:var(--chu);font-weight:600}

.routes{margin-top:30px;background:var(--panel);border:1px solid var(--vien);border-radius:12px;padding:20px}
.routes h2{font-size:13.5px;color:var(--mo2);margin:0 0 14px;font-weight:500;letter-spacing:.01em}
.route{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center;justify-content:space-between;
padding:13px 0;border-top:1px solid var(--vien)}
.route:first-of-type{border-top:0;padding-top:0}
.route .txt{flex:1 1 230px;min-width:0}
.route .nhan{font-size:14.5px;font-weight:600;color:var(--chu)}
.route .phu{font-size:12.5px;color:var(--mo3);margin-top:3px;line-height:1.5}

/* ── lop tien ich (thay cho thuoc tinh style= noi tuyen, bi CSP chan) ── */
.pb40{padding-bottom:40px}.pb8{padding-bottom:8px}
.pt64{padding-top:64px;padding-bottom:24px}
.pt56{padding-top:56px;padding-bottom:72px}
.hep18{max-width:18em}.mb36{margin-bottom:36px}
.chan-hang{display:flex;gap:52px;flex-wrap:wrap}
.chan-cot{flex:1 1 340px;min-width:0}
.chan-ten{font-weight:600;font-size:18px}
.hang-nut{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.bar-trai{display:flex;align-items:baseline;gap:9px}
.gc{font-size:16px;font-weight:600}

/* ── O BIEU DO ──
   Khung the va nen nam o .trong, ⛔ o .shot: khi mo hop, .shot tro thanh lop
   phu toan man hinh con .trong van la cai the anh. ⛔ nhan ban the <img>. */
.neo{display:block;height:0;overflow:hidden}
.shot{margin:0}
.shot>.trong{position:relative;background:#0B0E11;border:1px solid var(--vien);
border-radius:14px;overflow:hidden}
.lift>.trong{box-shadow:0 22px 56px rgba(0,0,0,.52)}
.shotbar{display:flex;align-items:center;justify-content:space-between;gap:12px;
padding:10px 14px;border-bottom:1px solid var(--vien2);background:var(--panel2)}
.shotbar .t{font-size:12px;color:var(--mo2)}
.shotbar .r{font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:10.5px;color:var(--mo4);letter-spacing:.02em}
.shot figcaption{padding:12px 15px;border-top:1px solid var(--vien2);color:var(--mo3);font-size:13px;line-height:1.55}
.cap{font-size:11.5px;color:var(--mo4);margin:11px 4px 0;text-align:center}

/* lien ket mo hop + nhan hien khi re chuot */
.to{display:block;position:relative;cursor:zoom-in;outline-offset:-2px}
.to>img{display:block;width:100%}
.to::after{content:"";position:absolute;inset:0;background:rgba(201,162,75,0);transition:background .16s ease}
.to:hover::after,.to:focus-visible::after{background:rgba(201,162,75,.055)}
.kinh{position:absolute;right:11px;bottom:11px;display:inline-flex;align-items:center;gap:7px;
padding:6px 11px;border-radius:9px;background:rgba(8,10,13,.88);border:1px solid var(--vien);
color:var(--chu2);font-size:11.5px;pointer-events:none;
opacity:0;transform:translateY(5px);transition:opacity .16s ease,transform .16s ease}
/* bieu tuong ve bang CSS — ⛔ ky tu dac biet, nen ⛔ bao gio thanh o vuong rong */
.kinh i{position:relative;display:inline-block;width:11px;height:11px;
border:1.5px solid var(--vang2);border-radius:2px}
.kinh i::before,.kinh i::after{content:"";position:absolute;left:50%;top:50%;background:var(--vang2)}
.kinh i::before{width:6px;height:1.5px;transform:translate(-50%,-50%)}
.kinh i::after{width:1.5px;height:6px;transform:translate(-50%,-50%)}
.to:hover .kinh,.to:focus-visible .kinh{opacity:1;transform:none}

/* ⛔ hien nen va nut dong khi hop dang dong */
.shot>.dong,.shot .x{display:none}

/* ── HOP PHONG TO: chinh o bieu do do tro thanh lop phu ── */
.shot:target{position:fixed;inset:0;z-index:120;margin:0;padding:28px;
display:flex;align-items:center;justify-content:center}
.shot:target>.dong{display:block;position:absolute;inset:0;background:#06080A;cursor:zoom-out}
.shot:target>.trong{z-index:1;max-width:100%;max-height:100%;
display:flex;flex-direction:column;border-radius:13px;box-shadow:0 30px 90px rgba(0,0,0,.72)}
.shot:target .to{cursor:zoom-out;min-height:0;display:flex}
/* anh bay o DUNG kich thuoc goc; hai dong max-* chi THU NHO khi man hinh hep —
   ⛔ bao gio keo vuot kich thuoc that, nen ⛔ bi mo. */
.shot:target .to>img{width:auto;height:auto;margin:auto;
max-width:min(100%,calc(100vw - 58px));max-height:calc(100vh - 160px)}
.shot:target .kinh,.shot:target .to::after{display:none}
/* chua cho nut dong, ⛔ de no de len nhan phai cua thanh tieu de */
.shot:target .shotbar{padding-right:52px}
.shot:target figcaption{font-size:12px;padding:10px 15px}
.shot:target .x{display:flex;position:absolute;top:8px;right:8px;z-index:2;
width:36px;height:36px;border-radius:10px;align-items:center;justify-content:center;
font-size:22px;line-height:1;color:var(--chu2);
background:rgba(16,20,26,.92);border:1px solid var(--vien)}
.shot:target .x:hover{color:#fff;border-color:var(--mo4);background:rgba(26,32,40,.96)}
html:has(.shot:target){overflow:hidden}
@media (max-width:640px){.shot:target{padding:12px}
.shot:target .to>img{max-width:calc(100vw - 26px);max-height:calc(100vh - 140px)}
.kinh{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.kinh,.to::after{transition:none}}

.facts{display:flex;flex-wrap:wrap;border:1px solid var(--vien2);border-radius:12px;background:var(--panel2)}
.fact{flex:1 1 200px;padding:18px 22px;border-left:1px solid var(--vien2)}
.fact:first-child{border-left:0}
.fact b{display:block;font-family:'Noto Serif Display',Georgia,serif;font-size:19px;font-weight:600}
.fact span{display:block;font-size:13px;color:var(--mo3);margin-top:3px}

.intro{padding-top:56px;padding-bottom:8px}
h2{font-size:36px;font-weight:600;margin:0;letter-spacing:-.005em}
.intro p{color:var(--mo);margin:14px 0 0;max-width:48em;font-size:17px}

.row{display:flex;flex-wrap:wrap;gap:44px;align-items:center;padding-top:40px;padding-bottom:40px}
.row.rev{flex-direction:row-reverse}
.ci{flex:1 1 420px;min-width:0}.ci.wide{flex:1.5 1 520px}.ci.mid{flex:1.4 1 500px}
.ct{flex:1 1 340px;min-width:0}
.ct h3{font-family:'Noto Serif Display',Georgia,serif;font-size:26px;font-weight:600;margin:0}
.ct p{color:var(--mo);font-size:16px;margin:12px 0 0;line-height:1.6}
.bul{list-style:none;padding:0;margin:18px 0 0;display:flex;flex-direction:column;gap:10px;font-size:15px;color:#C9D2DC}
.bul li{display:flex;gap:11px}.bul li i{color:var(--vang);flex:none;font-style:normal}
.chip{font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:13.5px;white-space:nowrap}
.chip.v{color:var(--vang);font-size:14px}
.band{padding-top:24px;padding-bottom:24px}
.stack{display:flex;flex-direction:column;gap:16px}

.steps{border-top:1px solid var(--vien);display:flex;flex-wrap:wrap;gap:24px;padding-top:28px}
.step{flex:1 1 220px;min-width:0}
.step .n{display:inline-flex;width:38px;height:38px;border:1px solid #2C3540;color:var(--mo2);
border-radius:50%;align-items:center;justify-content:center;font-weight:600;font-size:15px;
font-family:'IBM Plex Mono',ui-monospace,monospace}
.step:first-child .n{border-color:var(--vang);color:var(--vang)}
.step h3{font-size:17px;font-weight:600;margin:16px 0 5px}
.step p{color:var(--mo2);font-size:14.5px;margin:0;line-height:1.55}

.cta{background:var(--panel2);border:1px solid var(--vien);border-radius:16px;padding:52px 40px;text-align:center}
.cta h2{font-size:32px;margin:0 0 10px}
.cta p{color:var(--mo);margin:0 auto 26px;max-width:34em;font-size:17px}
.cta .ds{display:flex;flex-wrap:wrap;gap:13px;justify-content:center}
.cta .btn{padding:14px 26px;border-radius:9px}

footer{border-top:1px solid var(--vien2);margin-top:8px}
.fgrid{padding-top:36px;padding-bottom:36px;display:flex;flex-wrap:wrap;gap:28px;justify-content:space-between;align-items:flex-start}
.fcol{display:flex;flex-direction:column;gap:9px;font-size:14px}
.fcol .h{color:var(--mo4);font-size:12.5px}
.fcol a{color:var(--chu2)}
.fdisc{color:var(--mo3);font-size:13px;margin:11px 0 0;max-width:40em;line-height:1.6}
.fdisc b{color:var(--mo2);font-weight:600}
.copy{padding-bottom:30px;color:#5E6773;font-size:12.5px}

/* bang gia */
.ghead{padding-top:72px;padding-bottom:24px;text-align:center}
.pill{display:inline-block;font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:12.5px;
letter-spacing:.08em;color:var(--vang);border:1px solid #3A3320;background:#1A1710;
padding:5px 11px;border-radius:999px;text-transform:uppercase}
.ghead h1{font-size:40px;margin:18px 0 0}
.ghead p{color:var(--mo);margin:12px auto 0;max-width:36em}
.plans{max-width:900px;margin:0 auto;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;align-items:stretch}
.plan{background:var(--panel);border:1px solid var(--vien);border-radius:16px;padding:28px;display:flex;flex-direction:column}
.plan.main{border:1.5px solid var(--vang)}
.plan h2{font-family:'Noto Serif Display',Georgia,serif;font-size:22px;font-weight:600;margin:0}
.plan .sub{color:var(--mo);font-size:14.5px;margin:8px 0 0}
.badge{font-size:12px;font-weight:600;color:var(--vang);
border:1px solid #3A3320;background:#1A1710;border-radius:999px;padding:3px 9px}
.price{margin:20px 0 4px;display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.price .n{font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:38px;font-weight:600}
.price .n.word{font-family:'Noto Serif Display',Georgia,serif;letter-spacing:-.01em}
.price .u{color:var(--mo2);font-size:15px}
.pnote{font-size:12px;color:var(--mo3);margin:0 0 18px}
.plan ul{list-style:none;padding:0;margin:0 0 22px;display:flex;flex-direction:column;gap:11px;font-size:15px}
.plan li{display:flex;gap:10px}.plan li i{flex:none;font-style:normal;color:var(--vang)}
.plan .go{flex:1 1 auto}
.plan .act{display:block;text-align:center;padding:13px;border-radius:10px;font-weight:700;min-height:44px}
.plan.sub2 h2,.plan.sub2 .price .n{color:var(--mo)}
.plan.sub2 .sub{color:var(--mo2)}
.plan.sub2 .price .u,.plan.sub2 .pnote{color:var(--mo3)}
.plan.sub2 ul{color:var(--mo2)}.plan.sub2 li i{color:var(--mo3)}
.invite{margin:0;text-align:center;border:1px dashed #3A434F;color:var(--mo3);font-weight:500;
padding:13px;border-radius:10px;font-size:14.5px}
.paynote{text-align:center;color:var(--mo4);font-size:13px;margin:18px 0 0}
.faq{max-width:820px;margin:0 auto;padding-top:56px;padding-bottom:56px}
.faq h2{font-size:30px;text-align:center;margin:0 0 24px}
.faq .qs{display:flex;flex-direction:column;gap:12px}
details{background:var(--panel);border:1px solid var(--vien);border-radius:12px;padding:16px 18px}
summary{cursor:pointer;font-weight:600;font-size:16px;color:var(--chu);min-height:24px}
details p{color:var(--mo);font-size:15px;margin:10px 0 0}

/* trang van ban phap ly */
.doc{max-width:46em;padding-top:56px;padding-bottom:64px}
.doc h1{font-size:34px;margin:0 0 6px}
.doc .meta{color:var(--mo3);font-size:13px;margin:0 0 30px}
.doc h2{font-size:18px;font-weight:600;margin:30px 0 8px;color:var(--chu)}
.doc p{color:var(--mo);font-size:16px;line-height:1.75;margin:0 0 14px}
.doc p b,.doc p strong{color:var(--chu);font-weight:600}
.doc ol{color:var(--mo);font-size:16px;line-height:1.75;padding-left:22px;margin:0 0 14px}
.doc ol li{margin-bottom:12px}
.doc .lui{margin-top:36px;padding-top:20px;border-top:1px solid var(--vien)}

@media (max-width:860px){
  h1{font-size:40px}h2{font-size:28px}.ghead h1{font-size:32px}
  .hero{padding-top:48px;gap:36px}
  .plans{grid-template-columns:minmax(0,1fr)}
  .row{gap:28px;padding-top:28px;padding-bottom:28px}
  .cta{padding:36px 22px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}