:root{--bg:#f5f7fa;--card:#fff;--ink:#1e2933;--mute:#586776;--line:#d4dde5;--p:#3b3a9e;--link:#3b3a9e;--acc:#3b3a9e;--o:#b45309;--ok:#2f6b4f;--w:1140px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font:16px/1.65 "Segoe UI","Noto Sans",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}
a{color:var(--link)}
a:hover{color:var(--p)}
.wrap{max-width:var(--w);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px 12px;z-index:50;border:1px solid var(--line)}
:focus-visible{outline:2px solid var(--acc);outline-offset:2px}
header{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:70px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.2rem;color:var(--p);text-decoration:none;letter-spacing:.2px}
.logo{width:32px;height:32px;background:var(--p);color:#fff;display:grid;place-items:center;font-weight:700;border-radius:4px}
nav{display:flex;gap:2px;flex-wrap:wrap}
nav a{color:var(--ink);padding:24px 14px;font-size:.95rem;text-decoration:none;border-bottom:3px solid transparent;margin-bottom:-1px}
nav a:hover{color:var(--p);border-bottom-color:var(--line)}
nav a.on{color:var(--p);font-weight:600;border-bottom-color:var(--p)}
.menu-btn{display:none;background:#fff;border:1px solid var(--line);color:var(--ink);border-radius:4px;padding:7px 12px;font-size:1.05rem;cursor:pointer}
.btn{display:inline-block;padding:11px 22px;border-radius:4px;font-weight:600;border:1px solid var(--p);cursor:pointer;font:inherit;font-weight:600;text-decoration:none;line-height:1.4}
.btn.p{background:var(--p);color:#fff}.btn.p:hover{background:#163c5e;color:#fff}
.btn.g{background:#fff;color:var(--p)}.btn.g:hover{background:#eef3f8}
.eyebrow{font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;color:var(--acc);font-weight:700;margin-bottom:12px}
h1{font-size:clamp(1.9rem,4vw,2.9rem);line-height:1.2;font-weight:700;color:var(--ink);letter-spacing:-.01em}
h2{font-size:clamp(1.5rem,2.6vw,2rem);line-height:1.3;font-weight:700;margin-bottom:12px}
h3{font-size:1.15rem;margin-bottom:6px}
.lead{color:var(--mute);font-size:1.1rem;max-width:620px;margin:16px 0 26px}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.hero{background:#fff;border-bottom:1px solid var(--line);padding:68px 0}
.hero.s{padding:52px 0}
.hero .two{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center}
.hero.s h1{font-size:clamp(1.8rem,3.4vw,2.4rem)}
section{padding:64px 0}
section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-h{max-width:660px;margin-bottom:30px}
.sec-h p{color:var(--mute)}
.code{background:#14222e;color:#d7e3ee;border-radius:6px;padding:18px 20px;font:13.5px/1.7 ui-monospace,"Cascadia Code",Consolas,monospace;overflow:auto}
.code .c{color:#7f95a8}.code .k{color:#7fd0c9}
.code small{display:block;color:#7f95a8;margin-top:10px;font:12px/1.4 "Segoe UI",sans-serif}
.rows{border-top:1px solid var(--line)}
.row{display:grid;grid-template-columns:230px 1fr 190px;gap:24px;padding:24px 0;border-bottom:1px solid var(--line);align-items:start}
.row h3{margin:0;color:var(--p)}
.row .sub{font-weight:600;margin-bottom:4px}
.row p{color:var(--mute)}
.row .meta{font-size:.9rem;color:var(--mute)}
.row .meta b{color:var(--ink);display:block}
.st{display:inline-block;font-size:.82rem;font-weight:600;color:var(--ok);margin-top:6px}
.st:before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--ok);margin-right:7px}
.st.wip{color:#8a5a00}.st.wip:before{background:#c58a00}
.cols{display:grid;gap:32px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.col h3{padding-bottom:8px;border-bottom:2px solid var(--p);margin-bottom:10px}
.col p{color:var(--mute)}
.split{display:grid;gap:48px;grid-template-columns:1fr 1fr;align-items:start}
.box{background:#fff;border:1px solid var(--line);border-radius:6px;padding:24px}
.box p{color:var(--mute)}
section.alt .box{background:var(--bg)}
.app{display:flex;gap:20px;align-items:flex-start}
.appic{flex:none;width:72px;height:72px;border-radius:16px;background:#1d4e79;display:grid;place-items:center}
ul.chk{list-style:none;margin:14px 0}
ul.chk li{padding:5px 0 5px 24px;position:relative;color:var(--mute)}
ul.chk li:before{content:"";position:absolute;left:2px;top:15px;width:10px;height:2px;background:var(--acc)}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:0;border:1px solid var(--line);background:#fff;border-radius:6px;counter-reset:s}
.steps{list-style:none;margin:0;padding:0}.steps>li{padding:22px;border-right:1px solid var(--line)}
.steps>li:last-child{border-right:0}
.steps>li:before{counter-increment:s;content:"0" counter(s);display:block;color:var(--acc);font-weight:700;margin-bottom:6px}
.steps p{color:var(--mute);font-size:.95rem}
.contact-line{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.prose{max-width:780px}
.prose h2{margin-top:30px;font-size:1.3rem}
.prose p,.prose li{color:var(--mute);margin-top:10px}
.prose ul{padding-left:22px}
form{display:grid;gap:14px}
label{font-weight:600;font-size:.92rem;display:block;margin-bottom:4px}
input,textarea,select{width:100%;padding:11px 13px;border-radius:4px;border:1px solid #aebbc7;background:#fff;color:var(--ink);font:inherit}
input:focus,textarea:focus,select:focus{outline:2px solid var(--acc);outline-offset:0;border-color:var(--acc)}
.btns{display:flex;gap:10px;flex-wrap:wrap}
.status{padding:10px 14px;border-radius:4px;font-size:.93rem;display:none}
.status.ok,.status.err{display:block}
.status.ok{background:#e6f1ec;color:var(--ok)}
.status.err{background:#fbeaea;color:#a12222}
.hp{position:absolute;left:-9999px;opacity:0;height:0}
.note{font-size:.85rem;color:var(--mute)}
details{background:#fff;border:1px solid var(--line);border-radius:4px;padding:14px 18px;margin-bottom:10px}
summary{cursor:pointer;font-weight:600}
details p{color:var(--mute);margin-top:10px}
footer{background:#13202b;color:#aab8c5;padding:48px 0 24px;font-size:.93rem}
footer a{color:#aab8c5;text-decoration:none;display:block;padding:3px 0}
footer a:hover{color:#fff;text-decoration:underline}
footer h4{color:#fff;font-size:.95rem;margin-bottom:10px}
footer .brand{color:#fff}footer .logo{background:#fff;color:#13202b}
.fg{display:grid;gap:32px;grid-template-columns:1.6fr 1fr 1fr 1fr}
.copy{margin-top:32px;padding-top:18px;border-top:1px solid #2a3a48;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:.85rem}
@media(max-width:860px){.hero .two,.split{grid-template-columns:1fr}.row{grid-template-columns:1fr;gap:8px}.fg{grid-template-columns:1fr 1fr}.steps>li{border-right:0;border-bottom:1px solid var(--line)}.steps>li:last-child{border-bottom:0}}
@media(max-width:760px){.js .menu-btn{display:block}.nav{flex-wrap:wrap;padding:10px 0}#main-nav{width:100%;flex-direction:column}.js #main-nav{display:none}.js #main-nav.open{display:flex}#main-nav a{padding:12px 4px;border-bottom:1px solid var(--line);margin:0}.hero{padding:44px 0}section{padding:44px 0}.app{flex-direction:column}.fg{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
.subnav{position:sticky;top:70px;z-index:15;background:#fff;border-bottom:1px solid var(--line)}
.subnav .wrap{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.subnav a{padding:12px 16px;font-size:.9rem;color:var(--mute);text-decoration:none;white-space:nowrap;border-bottom:2px solid transparent}
.subnav a.on{color:var(--p);font-weight:600;border-bottom-color:var(--p)}
.pshow{padding:84px 0;min-height:min(78vh,620px);display:flex;align-items:center;scroll-margin-top:118px;border-bottom:1px solid var(--line)}
.pshow:nth-of-type(even){background:#fff}
.pshow .two{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;width:100%}
.pshow:nth-of-type(even) .two>:first-child{order:2}
.pshow .num{font-size:.85rem;color:var(--acc);font-weight:700;letter-spacing:.08em;margin-bottom:10px}
.pshow h2{font-size:clamp(1.8rem,3.2vw,2.5rem);margin-bottom:6px}
.pshow .tag2{font-size:1.1rem;font-weight:600;color:var(--p);margin-bottom:14px}
.pshow p{color:var(--mute)}
.pshow ul.chk{margin:16px 0 22px}
.pshow .cta{margin-top:6px}
.tbl{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line)}
.tbl th,.tbl td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{width:30%;color:var(--ink);background:#f0f4f8;font-weight:600}
.tbl td{color:var(--mute)}
.crumb{font-size:.88rem;color:var(--mute);margin-bottom:14px}
.crumb a{color:var(--mute)}
.cta-box{background:var(--p);color:#fff;border-radius:6px;padding:40px;display:flex;justify-content:space-between;gap:24px;align-items:center;flex-wrap:wrap}
.cta-box h2{color:#fff;margin-bottom:6px}
.cta-box p{color:#cfdbe7}
.cta-box .btn{background:#fff;color:var(--p);border-color:#fff}
.cta-box .btn:hover{background:#eef3f8}
.cta-box .btn.g{background:transparent;color:#fff;border-color:#9fb6cb}
.ref{display:flex;gap:20px;align-items:center;flex-wrap:wrap;justify-content:space-between}
.warn{border-left:3px solid #c58a00;background:#fff;padding:14px 18px;color:var(--mute)}
@media(max-width:860px){.pshow .two{grid-template-columns:1fr}.pshow:nth-of-type(even) .two>:first-child{order:0}.pshow{min-height:0;padding:56px 0}.subnav{top:0;position:static}}
@media(max-width:760px){.subnav{position:static}}

/* --- corporate hero style --- */
body{font-family:Lato,"Segoe UI","Noto Sans",Roboto,Arial,sans-serif}
.logo{background:#3b3a9e;border-radius:3px}
.brand{color:#1e2933;font-weight:800}
nav a{font-weight:600}
nav a.on{color:#1e2933;border-bottom-color:var(--o)}
nav a:hover{border-bottom-color:var(--o);color:#1e2933}
.btn{border-radius:3px;text-transform:none}
.btn.p{background:var(--p);border-color:var(--p)}
.btn.o{background:var(--o);border-color:var(--o);color:#fff;font-weight:700;letter-spacing:.02em}.btn.o:hover{background:#92400e;color:#fff}
.btn.w{background:#fff;color:var(--p);border-color:#fff;font-size:.88rem;text-transform:uppercase;letter-spacing:.04em}.btn.w:hover{background:#eceaf8;color:var(--p)}
.hero.big,.hero.dark{position:relative;color:#fff;border:0;background:
 radial-gradient(circle at 80% 20%,rgba(255,255,255,.08),transparent 40%),
 linear-gradient(120deg,rgba(33,30,96,.97),rgba(63,50,112,.94) 55%,rgba(112,82,128,.9)),#2b2a6e}
.hero.big:before,.hero.dark:before{content:"";position:absolute;inset:0;opacity:.18;background-image:linear-gradient(rgba(255,255,255,.35) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.35) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 70%);mask-image:linear-gradient(90deg,transparent,#000 70%)}
.hero.big>.wrap,.hero.dark>.wrap{position:relative}
.hero.big{padding:110px 0 100px}
.hero.big h1,.hero.dark h1{color:#fff;text-transform:uppercase;font-weight:900;letter-spacing:.01em;line-height:1.12}
.hero.big h1{font-size:clamp(2.1rem,4.6vw,3.6rem)}
.hero.big .lead,.hero.dark .lead{color:#e4e1f4}
.hero.dark .eyebrow{color:#ffb77a}
.hero.dark .crumb,.hero.dark .crumb a{color:#cbc7e8}
.hero.dark .st{color:#fff}.hero.dark .st.wip{color:#ffd9a8}
.hero.dark .st:before{background:#7fe0b0}.hero.dark .st.wip:before{background:#ffb77a}
.hero.dark .btn.p{background:var(--o);border-color:var(--o)}
.hero.dark .btn.g{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.hero.dark .btn.g:hover{background:rgba(255,255,255,.12);color:#fff}
.hcard{background:rgba(29,26,84,.78);border-top:4px solid var(--o);padding:28px 30px;border-radius:2px;box-shadow:0 20px 50px rgba(0,0,0,.3)}
.hcard h2{color:#fff;font-size:1.25rem;margin-bottom:14px}
.hcard p{color:#e4e1f4;font-size:.95rem;margin:6px 0}
.hcard a{color:#fff}
.hcard .btn{margin-top:14px}
.hero.big .two{grid-template-columns:1.35fr 1fr}
.subnav .wrap{justify-content:center}
.subnav a.on{border-bottom-color:var(--o);color:#1e2933}
.pshow h2,.sec-h h2,.prose h2{color:#1e2933}
.pshow .num{color:var(--o)}
.pshow .tag2{color:var(--p)}
.col,.box{border-top:4px solid var(--p);border-left:0}
.col{background:#fff;padding:24px;border-radius:2px;box-shadow:0 2px 14px rgba(30,30,80,.07)}
.col h3{border-bottom:0;padding-bottom:0}
section.alt .col{background:var(--bg)}
.sec-h{margin-left:auto;margin-right:auto;text-align:center}
.cta-box{background:linear-gradient(120deg,#2b2a6e,#51407f);border-radius:2px;border-top:4px solid var(--o)}
.cta-box .btn{background:var(--o);border-color:var(--o);color:#fff}
.cta-box .btn:hover{background:#92400e}
.steps>li:before{color:var(--o)}
.tbl th{background:#eceaf8}
.row h3 a{color:var(--p)}
footer{background:#1f1d52}
.eyebrow{color:var(--p)}
@media(max-width:860px){.hero.big .two{grid-template-columns:1fr}.hero.big{padding:64px 0}}

.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.fh{color:#fff;font-weight:700;font-size:.95rem;margin-bottom:10px}
.box h2{font-size:1.15rem;margin-bottom:6px;color:var(--ink)}
#thong-tin{scroll-margin-top:90px}
.cols,.split,.hero .two,.pshow .two,.fg,.steps{min-width:0}
.cols>*,.split>*,.two>*,.fg>*{min-width:0}
.code,.tbl{max-width:100%}
td,th,p,li,h1,h2,h3{overflow-wrap:anywhere}
@media(max-width:860px){.pshow{scroll-margin-top:90px}}
.nums{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));background:#fff;border:1px solid var(--line);border-top:4px solid var(--o);border-radius:2px}
.nums div{padding:34px 20px;text-align:center;border-right:1px solid var(--line)}
.nums div:last-child{border-right:0}
.nums b{display:block;font-size:3.2rem;line-height:1.1;font-weight:900;color:var(--p)}
.nums span{display:block;color:var(--mute);margin-top:8px;font-size:.95rem}
@media(max-width:860px){.nums div{border-right:0;border-bottom:1px solid var(--line)}.nums div:last-child{border-bottom:0}}
.cols.feat{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.cols.feat .col p{line-height:1.7}
.code{font-size:14px;line-height:1.9}

/* --- Elyzium Labs additions --- */
.mute{color:var(--mute)}
.il{display:inline!important;padding:0!important;text-decoration:underline!important}
.hint{font-size:.85rem;color:var(--mute);margin-top:4px}
.opt{font-weight:400;color:var(--mute);font-size:.85rem}
.mails dt{font-weight:600;margin-top:14px}
.mails dd{margin:2px 0 0}
.mails a{font-size:1.05rem}
[aria-invalid="true"]{border-color:#a12222;outline-color:#a12222}
.tbl-wrap{overflow-x:auto}
.st-tbl th a{color:var(--p)}
.st-tbl thead th{background:#1f1d52;color:#fff}
.needs{display:grid;gap:24px}
.need{background:#fff;border:1px solid var(--line);border-top:4px solid var(--p);padding:28px;border-radius:2px}
.need h2{font-size:1.35rem}
.need p{color:var(--mute)}
.need .fit{color:var(--ink);font-weight:600;margin-top:12px}
.others{margin-top:22px;color:var(--mute);display:flex;flex-wrap:wrap;gap:6px 18px}
.crumb a{color:#cbc7e8}
.box p+p{margin-top:10px}
.box b{color:var(--ink)}
.hcard a.btn{color:var(--p)}
footer p{margin:4px 0}
footer .il{color:#cfd8e3}
@media(max-width:360px){.wrap{padding:0 16px}.btn{padding:10px 16px}.hcard{padding:22px}}
.menu-btn{min-height:44px;min-width:64px}
@media(max-width:600px){
.st-tbl,.st-tbl tbody,.st-tbl tr,.st-tbl th,.st-tbl td{display:block;width:100%}
.st-tbl thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.st-tbl tr{border-bottom:1px solid var(--line)}
.st-tbl th{background:#eceaf8;border-bottom:0}
.st-tbl td{border-bottom:0;padding-top:6px}
.st-tbl td:before{content:attr(data-label);display:block;font-size:.8rem;font-weight:600;color:var(--ink)}
}
/* Chuyển ngôn ngữ */
.nav-r{display:flex;align-items:center;gap:10px;order:3}
header .lang{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:4px;color:var(--ink);font-size:.9rem;text-decoration:none;white-space:nowrap}
header .lang:hover{color:var(--p);border-color:var(--p)}
#main-nav{order:2;margin-left:auto}
@media(max-width:760px){.nav-r{order:2}#main-nav{order:3;margin-left:0}}
nav.crumb{display:block}
nav.crumb a{padding:0;margin:0;border:0;font-size:inherit;display:inline}