@font-face{font-family:"Inter";font-style:normal;font-weight:100 900;font-display:swap;src:url("/assets/fonts/inter-latin.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Inter";font-style:normal;font-weight:100 900;font-display:swap;src:url("/assets/fonts/inter-vietnamese.woff2") format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
:root{--bg:#0f1319;--panel:#171d26;--panel2:#1d2530;--text:#f3efe5;--muted:#aeb7c5;--gold:#d8b56a;--gold2:#a57c35;--line:#2b3441;--danger:#efb1a6;--ok:#b9d7c7;--max:1180px;--r:18px;--shadow:0 18px 48px rgba(0,0,0,.2)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:linear-gradient(180deg,#0d1117 0,#111720 38%,#0f1319 100%);color:var(--text);line-height:1.65}a{color:#f2d18c;text-decoration-thickness:.08em;text-underline-offset:.16em}a:hover{color:#ffe0a1}img{max-width:100%;height:auto}.container{width:min(calc(100% - 32px),var(--max));margin:auto}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:16px;top:12px;z-index:999;background:#fff;color:#000;padding:8px 12px;border-radius:8px}.notice{background:#221e18;border-bottom:1px solid #4d4028;color:#f1d9a8;font-size:.92rem}.notice .container{padding:9px 0;display:flex;gap:10px;align-items:flex-start}.site-header{position:sticky;top:0;z-index:50;background:rgba(15,19,25,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav-row{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:20px}.brand{display:flex;align-items:center;gap:12px;color:var(--text);text-decoration:none;font-weight:800;letter-spacing:.01em}.brand-mark{width:38px;height:38px;border-radius:10px}.brand small{display:block;color:var(--muted);font-size:.69rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase}.nav-toggle{display:none;background:transparent;border:1px solid var(--line);color:var(--text);padding:8px 11px;border-radius:10px}.nav-menu{display:flex;list-style:none;margin:0;padding:0;gap:6px;align-items:center}.nav-menu a{color:#d7dde7;text-decoration:none;padding:9px 10px;border-radius:10px;font-size:.94rem}.nav-menu a:hover,.nav-menu a[aria-current="page"]{background:var(--panel2);color:#fff}.hero{padding:86px 0 58px;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;inset:-30% auto auto 55%;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(216,181,106,.14),transparent 62%);pointer-events:none}.eyebrow{color:var(--gold);font-weight:800;text-transform:uppercase;letter-spacing:.12em;font-size:.78rem}.hero h1,.page-hero h1{font-size:clamp(2.35rem,6vw,5rem);line-height:1.03;margin:.12em 0 .28em;letter-spacing:-.045em;max-width:980px}.hero p.lead,.page-hero p.lead{font-size:clamp(1.05rem,2vw,1.25rem);max-width:780px;color:#c7d0dc}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:12px 18px;text-decoration:none;font-weight:800}.btn-primary{background:var(--gold);color:#17120b}.btn-primary:hover{background:#ebc97f;color:#17120b}.btn-secondary{border:1px solid #4a5666;color:#f6f0e4;background:#151b23}.fact-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:46px}.fact{border:1px solid var(--line);border-radius:16px;padding:17px;background:rgba(23,29,38,.75)}.fact strong{display:block;color:#fff;font-size:1rem}.fact span{display:block;color:var(--muted);font-size:.9rem;margin-top:4px}.section{padding:62px 0}.section.alt{background:#121821;border-block:1px solid #242d38}.section h2{font-size:clamp(1.75rem,3.6vw,2.7rem);line-height:1.15;margin:0 0 14px;letter-spacing:-.03em}.section-intro{color:var(--muted);max-width:760px;margin-bottom:26px}.grid{display:grid;gap:18px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}.card{background:linear-gradient(180deg,#191f29,#151b23);border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--shadow)}.card h3{margin:.1em 0 .4em;font-size:1.2rem}.card p{color:#c0c9d5}.card .kicker{color:var(--gold);font-weight:800;font-size:.79rem;text-transform:uppercase;letter-spacing:.08em}.card-link{text-decoration:none;color:inherit}.card-link:hover .card{border-color:#786037;transform:translateY(-1px)}.checklist{padding-left:1.1rem}.checklist li{margin:.55em 0}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:16px}.data-table{width:100%;border-collapse:collapse;min-width:680px;background:#151b23}.data-table th,.data-table td{padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left}.data-table th{background:#1a222d;color:#f3deb1}.data-table td{color:#cbd3df}.callout{border-left:4px solid var(--gold);background:#1a1c1d;padding:20px 22px;border-radius:0 14px 14px 0;margin:24px 0}.callout.warning{border-left-color:#d98e79;background:#211a1b}.callout.good{border-left-color:#77a990;background:#16201d}.callout strong{color:#fff}.page-hero{padding:66px 0 36px}.page-hero h1{font-size:clamp(2.1rem,5vw,4.1rem)}.breadcrumbs{font-size:.88rem;color:var(--muted);margin-bottom:22px}.breadcrumbs a{color:#cbd3df}.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:42px;align-items:start}.article{min-width:0}.article h2{margin-top:2.2em;font-size:1.9rem;line-height:1.2}.article h3{margin-top:1.7em;font-size:1.3rem}.article p,.article li{color:#cbd3df}.article ul,.article ol{padding-left:1.3rem}.article li{margin:.55em 0}.toc{position:sticky;top:98px;background:#151b23;border:1px solid var(--line);border-radius:16px;padding:18px}.toc strong{display:block;margin-bottom:8px}.toc a{display:block;color:#bfc8d5;text-decoration:none;padding:6px 0;font-size:.92rem}.toc a:hover{color:#fff}.metric{font-size:2rem;font-weight:900;color:var(--gold)}.formula{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:#10151c;border:1px solid var(--line);padding:15px 16px;border-radius:12px;overflow:auto;color:#e8d7b1}.faq-item{border-top:1px solid var(--line);padding:18px 0}.faq-item h3{margin:0 0 7px}.mini-label{display:inline-block;border:1px solid #5a4a2d;color:#f0d49b;border-radius:999px;padding:4px 9px;font-size:.76rem;font-weight:700}.site-footer{border-top:1px solid var(--line);background:#0d1117;padding:46px 0 24px;margin-top:40px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:30px}.footer-grid h3{font-size:1rem}.footer-grid ul{list-style:none;padding:0;margin:0}.footer-grid li{margin:.45em 0}.footer-grid a{color:#b9c3d0}.footer-note{border-top:1px solid var(--line);margin-top:30px;padding-top:18px;color:#8f9baa;font-size:.88rem}.source-list a{overflow-wrap:anywhere}.updated{color:#8f9baa;font-size:.88rem}.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}.tag{border:1px solid #364150;background:#171e27;border-radius:999px;padding:6px 10px;color:#c8d0dc;font-size:.84rem}.legal-box{border:1px solid #59462a;background:linear-gradient(180deg,#1d1a16,#171819);border-radius:18px;padding:22px}.no-margin{margin:0}.center{text-align:center}.site-map-list{columns:2;column-gap:40px}.site-map-list li{break-inside:avoid;margin:.55em 0}
@media(max-width:900px){.nav-toggle{display:block}.nav-menu{display:none;position:absolute;left:16px;right:16px;top:70px;background:#121821;border:1px solid var(--line);border-radius:16px;padding:10px;flex-direction:column;align-items:stretch;box-shadow:var(--shadow)}.nav-menu.open{display:flex}.nav-menu a{display:block}.fact-strip,.grid-3{grid-template-columns:1fr 1fr}.content-layout{grid-template-columns:1fr}.toc{position:static;order:-1}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.container{width:min(calc(100% - 24px),var(--max))}.hero{padding-top:54px}.fact-strip,.grid-3,.grid-2,.footer-grid{grid-template-columns:1fr}.hero-actions .btn{width:100%}.site-map-list{columns:1}.article h2{font-size:1.55rem}.page-hero{padding-top:46px}.brand span{font-size:.94rem}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.feature-figure{margin:28px 0 30px}.feature-figure img{display:block;width:100%;height:auto;border-radius:20px;border:1px solid var(--line);box-shadow:var(--shadow);background:#0e1218}.feature-figure figcaption{margin-top:10px;color:#94a1b2;font-size:.92rem}.page-hero .feature-figure{max-width:880px}.hero .feature-figure{margin-top:28px}.hero .feature-figure figcaption{max-width:880px}.article .feature-figure{margin-top:0}

/* --- inserted image assets (2026) --- */
.brand-logo{height:38px;width:auto;display:block}
.footer-logo{height:40px;width:auto;display:block;margin:0 0 12px}
.footer-badges{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}
.footer-badges img{width:44px;height:44px;border-radius:10px}
.card-icon{width:48px;height:48px;display:block;margin:0 0 12px}
.card-thumb{display:block;width:100%;height:auto;border-radius:14px;border:1px solid var(--line);margin:0 0 16px;background:#0e1218}
.fact-icon{width:30px;height:30px;display:block;margin-bottom:8px}
.legal-icon{width:30px;height:30px;display:block;margin-bottom:10px}
.game-icon{width:44px;height:44px;display:block;margin:0 0 10px}
.section-figure{margin:22px 0 26px}
.section-figure img{display:block;width:100%;height:auto;border-radius:16px;border:1px solid var(--line);background:#0e1218}
.section-figure figcaption{margin-top:8px;color:#94a1b2;font-size:.9rem}
.icon-strip{display:flex;gap:16px;flex-wrap:wrap;align-items:center;margin:14px 0 18px}
.icon-strip img{width:40px;height:40px}
.pay-icon{width:26px;height:26px;vertical-align:-6px;margin-right:8px}
@media(max-width:620px){.hero-actions .btn{width:100%}
.footer-badges img{width:38px;height:38px}}