:root{--green-700: #2e8b36;--green-600: #34a13c;--green-500: #3cb043;--green-400: #5cc262;--green-100: #d7efd9;--green-50: #eef8ef;--steel-950: #0a1013;--steel-900: #16181d;--steel-800: #1f2229;--steel-700: #2c2e35;--steel-600: #46555d;--steel-500: #5f6b66;--steel-300: #9fb0b7;--steel-200: #dde4df;--steel-100: #eef2f0;--steel-50: #f5f8f5;--white: #ffffff;--teal-500: #0fb5a6;--zalo-blue: #0068ff;--color-brand: var(--green-500);--color-brand-hover: var(--green-700);--color-brand-tint: var(--green-50);--bg-page: var(--white);--bg-tint: var(--steel-50);--bg-dark: var(--steel-900);--bg-darkest: var(--steel-950);--surface-card: var(--white);--text-heading: var(--steel-900);--text-body: #1c1e24;--text-muted: var(--steel-500);--text-on-dark: var(--white);--text-muted-on-dark: var(--steel-300);--text-brand: var(--green-700);--border-default: var(--steel-200);--border-strong: var(--steel-700);--border-focus: var(--green-500);--link: var(--green-700);--link-hover: var(--green-500)}:root{--font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;--font-cond: "Barlow Condensed", "Inter", sans-serif;--fs-hero: 54px;--fs-display: 40px;--fs-h3: 21px;--fs-h4: 17px;--fs-lead: 18px;--fs-body: 15px;--fs-sm: 14px;--fs-xs: 13px;--fs-stat: 42px;--fw-regular: 400;--fw-medium: 500;--fw-semibold: 600;--fw-bold: 700;--fw-black: 800;--lh-tight: 1.05;--lh-snug: 1.25;--lh-body: 1.55;--ls-hero: -.03em;--ls-display: -.02em;--ls-kicker: .14em;--ls-cond: .02em}.vn-kicker{font-family:var(--font-body);font-weight:var(--fw-bold);font-size:var(--fs-xs);letter-spacing:var(--ls-kicker);text-transform:uppercase;color:var(--text-brand)}.vn-cond{font-family:var(--font-cond);text-transform:uppercase;letter-spacing:var(--ls-cond);line-height:1}:root{--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px;--space-8: 64px;--space-9: 84px;--radius-sm: 9px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 18px;--radius-pill: 999px;--border-width: 1px;--border-width-strong: 1.5px;--shadow-card: 0 18px 40px -22px rgba(22, 24, 29, .45);--shadow-float: 0 30px 60px -20px rgba(0, 0, 0, .5);--shadow-btn: 0 10px 24px -10px rgba(60, 176, 67, .6);--shadow-fab: 0 10px 24px -8px rgba(0, 0, 0, .5);--container-max: 1200px;--container-pad: 24px;--header-height: 88px;--ease: cubic-bezier(.4, 0, .2, 1);--dur: .18s}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-body);color:var(--text-body);line-height:var(--lh-body);background:var(--bg-page);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}:focus-visible{outline:2px solid var(--color-brand);outline-offset:2px}::selection{background:var(--color-brand);color:#fff}.container{max-width:var(--container-max);margin:0 auto;padding:0 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a[data-astro-cid-sckkx6r4]:hover{color:var(--color-brand)}.cta[data-astro-cid-sckkx6r4]{margin-left:auto;display:inline-flex;align-items:center;gap:6px;background:var(--color-brand);color:#fff;font-weight:700;font-size:15px;padding:11px 18px;border-radius:var(--radius-md);box-shadow:var(--shadow-btn);transition:background var(--dur) var(--ease),transform var(--dur) var(--ease)}.cta[data-astro-cid-sckkx6r4]:hover{background:var(--green-700);transform:translateY(-1px)}.footer[data-astro-cid-sckkx6r4]{background:var(--steel-950);color:var(--steel-300);font-size:14.5px;padding:56px 0 26px;margin-top:64px}.wordmark--light[data-astro-cid-sckkx6r4]{color:#fff;margin-bottom:14px}.footer-grid[data-astro-cid-sckkx6r4]{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px}.footer-co[data-astro-cid-sckkx6r4]{line-height:1.6}.footer-addr[data-astro-cid-sckkx6r4]{margin-top:10px;line-height:1.6}.footer[data-astro-cid-sckkx6r4] 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var(--ease),transform var(--dur) var(--ease)}.btn-primary[data-astro-cid-j7pv25f6]{background:var(--color-brand);color:#fff;box-shadow:var(--shadow-btn)}.btn-primary[data-astro-cid-j7pv25f6]:hover{background:var(--green-700);transform:translateY(-1px)}.btn-ghost[data-astro-cid-j7pv25f6]{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.4)}.btn-ghost[data-astro-cid-j7pv25f6]:hover{border-color:#fff;background:#ffffff14}.badges[data-astro-cid-j7pv25f6]{display:flex;gap:10px;margin-top:30px;flex-wrap:wrap}.badge[data-astro-cid-j7pv25f6]{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;padding:7px 13px;border-radius:var(--radius-pill);color:#cfd9dd;border:1px solid rgba(255,255,255,.18);background:#ffffff0a}.note[data-astro-cid-j7pv25f6]{padding:40px 24px;color:var(--text-muted)}