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:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#1c1310;--ink-soft:#5e4e42;--ink-faint:#8a7a6d;--paper:#fff;--paper-alt:#fbf6f1;--paper-warm:#fff3e8;--line:#1c13101a;--line-strong:#1c131033;--night:#1b1210;--night-soft:#2b1d17;--night-line:#fbf0e424;--cream:#fbf0e4;--cream-soft:#fbf0e4bd;--flame:#ff5b1e;--flame-deep:#de3208;--flame-press:#b92a06;--flame-text:#c2410c;--flame-on-dark:#ff7a45;--gold:#f2b53a;--gold-deep:#9a6400;--herb:#2f7a45;--herb-soft:#e4f2e7;--font-head:var(--font-montserrat), ui-sans-serif, system-ui, sans-serif;--font-body:var(--font-bevietnam), ui-sans-serif, system-ui, sans-serif;--radius-sm:10px;--radius-md:14px;--radius-lg:22px;--shadow-sm:0 2px 10px #1c13100f;--shadow-md:0 18px 44px -20px #1c131052;--header-h:68px}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px);-webkit-text-size-adjust:100%}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important;animation:none!important}}body{background:var(--paper);color:var(--ink);font-family:var(--font-body);-webkit-font-smoothing:antialiased;margin:0;font-size:17px;line-height:1.65;overflow-x:hidden}img{max-width:100%;height:auto;display:block}a{color:inherit}:focus-visible{outline:3px solid var(--flame);outline-offset:3px;border-radius:4px}::selection{background:var(--flame);color:#fff}h1,h2,h3,h4{font-family:var(--font-head);letter-spacing:-.015em;text-wrap:balance;margin:0;font-weight:800;line-height:1.12}h1{font-size:clamp(2.25rem,6vw,4.25rem)}h2{font-size:clamp(1.75rem,3.6vw,2.6rem)}h3{letter-spacing:-.005em;font-size:1.25rem;line-height:1.3}p{text-wrap:pretty;margin:0 0 1rem}.wrap{width:100%;max-width:1180px;margin-inline:auto;padding-inline:20px}@media (max-width:359px){.wrap{padding-inline:16px}}@media (min-width:720px){.wrap{padding-inline:28px}}.skip-link{z-index:100;background:var(--night);color:#fff;border-radius:var(--radius-sm);padding:10px 16px;font-weight:700;text-decoration:none;position:absolute;top:-60px;left:12px}.skip-link:focus{top:12px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.section{padding-block:clamp(3.5rem,8vw,6rem)}.section-alt{background:var(--paper-alt)}.section-dark{background:var(--night);color:var(--cream)}.section-head{max-width:720px;margin-bottom:clamp(2rem,4vw,3rem)}.section-head.center{text-align:center;margin-inline:auto}.eyebrow{letter-spacing:.12em;text-transform:uppercase;color:var(--flame-text);align-items:center;gap:8px;margin:0 0 14px;font-size:.8rem;font-weight:700;display:inline-flex}.eyebrow:before{content:"";background:var(--flame);border-radius:50%;width:8px;height:8px;box-shadow:0 0 0 4px #ff5b1e2e}.section-dark .eyebrow{color:var(--gold)}.lede{color:var(--ink-soft);margin-top:14px;font-size:clamp(1.05rem,1.6vw,1.2rem)}.section-dark .lede{color:var(--cream-soft)}.btn{min-height:50px;font-family:var(--font-body);cursor:pointer;white-space:nowrap;border:2px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:10px;padding:12px 24px;font-size:1rem;font-weight:700;line-height:1.2;text-decoration:none;transition:transform .15s,background-color .15s,box-shadow .15s,border-color .15s;display:inline-flex}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--flame-deep);color:#fff;box-shadow:0 10px 24px -10px #de3208b3}.btn-primary:hover{background:var(--flame-press)}.btn-ghost{color:var(--ink);border-color:var(--flame);background:0 0}.btn-ghost:hover{background:var(--paper-warm)}.section-dark .btn-ghost,.on-dark .btn-ghost{color:var(--cream);border-color:#fbf0e466}.section-dark .btn-ghost:hover,.on-dark .btn-ghost:hover{border-color:var(--cream);background:#fbf0e414}.btn-zalo{color:#fff;background:#0068ff}.btn-zalo:hover{background:#0054cc}.btn-block{white-space:normal;text-align:center;width:100%}.btn[disabled]{opacity:.6;cursor:progress}.pill{color:var(--ink);background:#fff;border:1.5px solid #ff5b1e73;border-radius:999px;align-items:center;gap:6px;padding:7px 14px;font-size:.92rem;font-weight:600;display:inline-flex}.card{border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);background:#fff}.breadcrumbs{color:var(--ink-soft);flex-wrap:wrap;gap:6px;margin:0 0 18px;padding:0;font-size:.88rem;list-style:none;display:flex}.breadcrumbs li+li:before{content:"›";color:var(--ink-faint);margin-right:6px}.breadcrumbs a{text-decoration:none}.breadcrumbs a:hover{color:var(--flame-text);text-decoration:underline}.on-dark .breadcrumbs{color:var(--cream-soft)}.prose{font-size:1.07rem;line-height:1.75}.prose h2{margin:2.4rem 0 .9rem;font-size:clamp(1.45rem,2.6vw,1.85rem)}.prose h3{margin:1.8rem 0 .6rem;font-size:1.22rem}.prose ul,.prose ol{margin:0 0 1.1rem;padding-left:1.3rem}.prose li{margin-bottom:.35rem}.prose li::marker{color:var(--flame)}.prose a{color:var(--flame-text);text-underline-offset:3px;font-weight:600}.prose strong{color:var(--ink)}.prose table{border-collapse:collapse;width:100%;margin:1rem 0 1.5rem;font-size:.98rem}.prose th,.prose td{border-bottom:1px solid var(--line);text-align:left;padding:10px 8px}.faq{gap:12px;max-width:860px;display:grid}.faq details{border:1px solid var(--line);border-radius:var(--radius-md);background:#fff;padding:0 20px;transition:border-color .15s}.faq details[open]{border-color:#ff5b1e80}.faq summary{cursor:pointer;justify-content:space-between;align-items:center;gap:16px;padding:18px 0;font-size:1.04rem;font-weight:700;list-style:none;display:flex}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";background:var(--paper-warm);width:30px;height:30px;color:var(--flame-text);font-family:var(--font-head);border-radius:50%;flex:none;place-items:center;font-size:1.25rem;line-height:1;transition:transform .2s;display:grid}.faq details[open] summary:after{transform:rotate(45deg)}.faq details p{color:var(--ink-soft);margin:0;padding:0 0 18px}.page-hero{background:radial-gradient(70% 120% at 90% 0%, #ff5b1e59, transparent 60%), var(--night);color:var(--cream);padding-block:clamp(2.5rem,6vw,4.25rem);position:relative;overflow:hidden}.page-hero h1{color:#fff;max-width:820px;font-size:clamp(2rem,4.6vw,3.2rem)}.page-hero .lede{color:var(--cream-soft);max-width:680px}.page-hero .eyebrow{color:var(--gold)}.cta-band{border-radius:var(--radius-lg);background:radial-gradient(60% 140% at 100% 50%, #ff5b1e73, transparent 65%), var(--night);color:var(--cream);align-items:center;gap:20px;padding:clamp(1.75rem,4vw,2.75rem);display:grid;position:relative;overflow:hidden}@media (min-width:820px){.cta-band{grid-template-columns:1fr auto}}.cta-band h2,.cta-band h3{color:#fff;font-size:clamp(1.4rem,2.6vw,1.9rem)}.cta-band p{color:var(--cream-soft);margin:8px 0 0}.cta-actions{flex-wrap:wrap;gap:12px;display:flex}@media (max-width:480px){.cta-actions .btn{flex:100%}}