@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/source-serif-4-vietnamese-400-normal.DFDfvBrN.woff2) format("woff2"),url(/_astro/source-serif-4-vietnamese-400-normal.9XEw6Pmr.woff) format("woff")}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/source-serif-4-vietnamese-600-normal.B33FcZBi.woff2) format("woff2"),url(/_astro/source-serif-4-vietnamese-600-normal.CKUOBVO_.woff) format("woff")}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/source-serif-4-latin-400-normal.DJ5YJwmz.woff2) format("woff2"),url(/_astro/source-serif-4-latin-400-normal.C1O10bxN.woff) format("woff")}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/source-serif-4-latin-600-normal.DouSKlru.woff2) format("woff2"),url(/_astro/source-serif-4-latin-600-normal.DeJomR3S.woff) format("woff")}:root{color-scheme:light;--bg: #f6f7f2;--surface: #eef1e8;--card: #ffffff;--ink: #1f2a22;--muted: #56625a;--line: #d9ded3;--dot: #c62828;--font: "Source Serif 4", "Noto Serif", Georgia, serif;--r: 3px;--max: 1160px;--gutter: 16px}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--bg: #151a17;--surface: #1d241f;--card: #1a201c;--ink: #e8ece6;--muted: #a9b3ab;--line: #2f3a33;--dot: #ef6b6b;--brand-ink: var(--brand-ink-dark);--brand-soft: var(--brand-soft-dark)}}:root[data-theme=dark]{color-scheme:dark;--bg: #151a17;--surface: #1d241f;--card: #1a201c;--ink: #e8ece6;--muted: #a9b3ab;--line: #2f3a33;--dot: #ef6b6b;--brand-ink: var(--brand-ink-dark);--brand-soft: var(--brand-soft-dark)}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.6;overflow-x:hidden}[hidden]{display:none!important}img{max-width:100%;height:auto;display:block}a{color:var(--brand-ink);text-underline-offset:3px}a:focus-visible,button:focus-visible{outline:3px solid var(--brand);outline-offset:2px}h1,h2,h3,h4{font-weight:600;line-height:1.2;margin:0 0 .5em;color:var(--ink)}h1{font-size:clamp(32px,5vw,52px);letter-spacing:-.01em}h2{font-size:clamp(24px,3.2vw,34px)}h3{font-size:20px}p{margin:0 0 1em}.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}.muted{color:var(--muted)}.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:8px;z-index:50;background:var(--card);padding:8px 12px}.eyebrow{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-ink);margin-bottom:10px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 22px;border-radius:var(--r);font-family:var(--font);font-size:16px;font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background .15s,color .15s,border-color .15s}.btn-primary{background:var(--brand-ink);color:#fff}.btn-primary:hover{filter:brightness(.92)}.btn-ghost{background:transparent;color:var(--brand-ink);border-color:var(--brand-ink)}.btn-ghost:hover{background:var(--brand-soft)}:root[data-theme=dark] .btn-primary{color:#0f1411}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .btn-primary{color:#0f1411}}.topbar{border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}.topbar .wrap{display:flex;gap:18px;justify-content:flex-end;align-items:center;min-height:34px;flex-wrap:wrap}.topbar a{color:var(--muted);text-decoration:none}.topbar a:hover{color:var(--ink)}.header{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 94%,transparent);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}.header .wrap{display:flex;align-items:center;gap:20px;min-height:68px}.brandmark{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:700;letter-spacing:.02em;white-space:nowrap}.brandmark .dot{width:8px;height:8px;border-radius:50%;background:var(--dot)}.brandmark b{color:var(--brand-ink);font-weight:700}.nav{display:flex;gap:4px;margin-left:auto}.nav a{color:var(--ink);text-decoration:none;padding:8px 9px;font-size:15px;white-space:nowrap;border-bottom:2px solid transparent}.nav a:hover{color:var(--brand-ink)}.nav a[aria-current=page]{color:var(--brand-ink);border-bottom-color:var(--brand-ink)}.header .btn{min-height:40px;padding:8px 16px;font-size:15px}.theme-btn{background:none;border:1px solid var(--line);border-radius:var(--r);width:40px;height:40px;color:var(--ink);cursor:pointer;font-size:16px}.menu-btn,.nav .nav-cta{display:none}@media(max-width:1120px){.nav{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;background:var(--bg);border-bottom:1px solid var(--line);padding:8px var(--gutter) 16px}.nav.open{display:flex}.nav a{padding:12px 4px;border-bottom:1px solid var(--line)}.menu-btn{display:inline-flex;margin-left:auto}.header .cta{display:none}.nav .nav-cta{display:block;color:var(--brand-ink);font-weight:600;border-bottom:0}}.section{padding:56px 0;border-bottom:1px solid var(--line)}.section-head{max-width:720px;margin-bottom:28px}.hero{padding:56px 0 48px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,var(--brand-soft),transparent 75%)}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}.hero .lead{font-size:19px;color:var(--muted);max-width:640px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.hero-logo{justify-self:center;max-width:340px;width:100%}@media(max-width:860px){.hero-grid{grid-template-columns:1fr}.hero-logo{max-width:220px;justify-self:start}}.grid{display:grid;gap:16px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media(max-width:960px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.grid-3,.grid-4{grid-template-columns:1fr}}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;display:flex;flex-direction:column;gap:6px}.card h3{margin:0}.card p{margin:0;color:var(--muted);font-size:15.5px}.card .more{margin-top:auto;padding-top:12px;font-size:15px;font-weight:600;text-decoration:none}.pillar{border-top:4px solid var(--brand-ink)}.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px}.stat .k{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}.stat .v{font-size:30px;font-weight:600}.entity{border-top:4px solid var(--c)}.entity-top{display:flex;gap:12px;align-items:center}.entity-top img{width:56px;height:56px;border-radius:50%;flex:none;background:#fff}.entity .code{font-size:12px;letter-spacing:.12em;color:var(--ci);font-weight:700}.entity h3{font-size:17px}.badge{display:inline-block;font-size:12px;padding:2px 8px;border-radius:2px;border:1px solid var(--line);color:var(--muted);width:fit-content}.badge.on{border-color:var(--ci);color:var(--ci)}:root[data-theme=dark] .entity{--ci: var(--cd)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .entity{--ci: var(--cd)}}.entity-links{display:flex;gap:14px;flex-wrap:wrap;margin-top:auto;padding-top:12px;font-size:15px}.entity-links a{color:var(--ci);font-weight:600;text-decoration:none}.entity-links span{color:var(--muted)}.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.chip{font-family:var(--font);font-size:15px;min-height:40px;padding:6px 14px;border-radius:2px;border:1px solid var(--line);background:var(--bg);color:var(--ink);cursor:pointer}.chip[aria-pressed=true]{background:var(--brand-ink);border-color:var(--brand-ink);color:#fff}.prose{max-width:760px}.prose h2{margin-top:1.6em;font-size:26px}.prose ul{padding-left:1.2em}.prose li{margin-bottom:.4em}.note{border-left:4px solid var(--brand-ink);background:var(--surface);padding:14px 18px;border-radius:var(--r)}.swatches{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}.swatch{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--card)}.swatch div{height:72px}.swatch p{margin:0;padding:8px 10px;font-size:14px}.logo-tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.logo-tile{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px;display:flex;flex-direction:column;gap:10px}.logo-tile img{height:120px;width:100%;object-fit:contain}.logo-tile a{font-size:15px;color:#28780e;font-weight:600}.footer{padding:40px 0 28px;font-size:15px;color:var(--muted)}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}.footer h4{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink)}.footer ul{list-style:none;padding:0;margin:0}.footer li{margin-bottom:6px}.footer a{color:var(--muted);text-decoration:none}.footer a:hover{color:var(--ink)}.legal{border-top:1px solid var(--line);margin-top:28px;padding-top:16px;font-size:13.5px}@media(max-width:760px){.footer-grid{grid-template-columns:1fr}}.t-bwrk{--brand-ink: #0E6E6A;--brand-soft: #e3f4ef}:root[data-theme=dark] .t-bwrk{--brand-ink: #65a2a0;--brand-soft: #1b2d2a}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .t-bwrk{--brand-ink: #65a2a0;--brand-soft: #1b2d2a}}