@font-face{font-family:Bricolage Grotesque Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/_astro/bricolage-grotesque-vietnamese-wght-normal.BUzh504Q.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Bricolage Grotesque Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/_astro/bricolage-grotesque-latin-ext-wght-normal.CcLUaPy7.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Bricolage Grotesque Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/_astro/bricolage-grotesque-latin-wght-normal.DLoelf7F.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Figtree Variable;font-style:normal;font-display:swap;font-weight:300 900;src:url(/_astro/figtree-latin-ext-wght-normal.DCwSJGxG.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Figtree Variable;font-style:normal;font-display:swap;font-weight:300 900;src:url(/_astro/figtree-latin-wght-normal.D_ZTVpCC.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--slate:#203b3d;--teal:#136d72;--teal-deep:#0f585c;--amber:#e6b343;--stone:#f7f6f0;--surface:#fdfcf8;--ink:#203b3d;--ink-soft:#4a5b5c;--line:#e1ddcf;--teal-tint:#e6efec;--amber-tint:#f8edd0;--radius:14px;--ease-out:cubic-bezier(.23, 1, .32, 1);--font-display:"Bricolage Grotesque Variable", "Segoe UI", Arial, sans-serif;--font-body:"Figtree Variable", "Segoe UI", Arial, sans-serif;--shadow:0 1px 2px #203b3d0f, 0 8px 24px -12px #203b3d2e;--callbar-h:0px}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-padding-top:88px}body{background:var(--stone);color:var(--ink);font:400 1.0625rem/1.65 var(--font-body);text-rendering:optimizelegibility;overflow-wrap:break-word;padding-bottom:var(--callbar-h);margin:0}img,svg{max-width:100%}h1,h2,h3,.display{font-family:var(--font-display);letter-spacing:-.02em;text-wrap:balance;margin:0 0 .6em;font-weight:650;line-height:1.12}h1{font-size:clamp(2.05rem,1.4rem + 2.6vw,3.35rem);font-weight:700}h2{font-size:clamp(1.6rem,1.25rem + 1.4vw,2.3rem)}h3{letter-spacing:-.01em;font-size:1.22rem}p{text-wrap:pretty;margin:0 0 1em}a{color:var(--teal);text-underline-offset:.18em;text-decoration-thickness:1px}a:hover{color:var(--teal-deep);text-decoration-thickness:2px}:focus-visible{outline:3px solid var(--teal);outline-offset:3px;border-radius:4px}ul,ol{padding-left:1.2em}li{margin-bottom:.35em}.wrap{width:100%;max-width:1180px;margin-inline:auto;padding-inline:20px}@media (width<=480px){.wrap{padding-inline:16px}}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.skip{z-index:30;background:var(--slate);color:var(--stone);border-radius:8px;padding:10px 16px;position:absolute;top:-60px;left:12px}.skip:focus{color:var(--stone);top:12px}.lead{color:var(--ink-soft);max-width:62ch;font-size:1.15rem}.muted{color:var(--ink-soft)}.prose{max-width:70ch}.btn{min-height:48px;font:650 1rem/1.2 var(--font-body);white-space:nowrap;transition:transform .16s var(--ease-out), background-color .2s ease, border-color .2s ease;border:1.5px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:.55em;padding:.7em 1.35em;text-decoration:none;display:inline-flex}.btn:active{transform:scale(.97)}.btn-primary{background:var(--teal);color:#fff}.btn-primary:hover{background:var(--teal-deep);color:#fff;text-decoration:none}.btn-ghost{color:var(--slate);border-color:var(--slate);background:0 0}.btn-ghost:hover{background:var(--slate);color:var(--stone);text-decoration:none}.btn-wa{background:var(--amber);color:var(--slate)}.btn-wa:hover{color:var(--slate);background:#dca636;text-decoration:none}.btn-sm{min-height:42px;padding:.5em 1.05em;font-size:.95rem}.cta{flex-wrap:wrap;gap:12px;display:flex}.site-header{z-index:20;backdrop-filter:saturate(1.4)blur(8px);border-bottom:1px solid var(--line);background:#f7f6f0f0;position:sticky;top:0}.header-row{align-items:center;gap:20px;min-height:70px;display:flex}.brand{flex-shrink:0;display:inline-flex}.logo{width:196px;height:auto;font-family:var(--font-display);display:block}.nav-desktop{margin-left:auto}.nav-desktop ul{gap:4px;margin:0;padding:0;list-style:none;display:flex}.nav-desktop li{margin:0}.nav-desktop a{color:var(--ink);border-radius:8px;padding:8px 11px;font-size:.97rem;font-weight:550;text-decoration:none;display:block}.nav-desktop a:hover{background:var(--teal-tint)}.nav-desktop a[aria-current]{color:var(--teal);box-shadow:inset 0 -2px 0 var(--amber);border-radius:0}.header-call{flex-shrink:0}.nav-mobile{margin-left:auto;display:none;position:relative}.nav-mobile summary{border:1.5px solid var(--slate);cursor:pointer;border-radius:999px;align-items:center;gap:6px;min-height:44px;padding:0 12px;font-weight:650;list-style:none;display:inline-flex}.nav-mobile summary::-webkit-details-marker{display:none}.nav-mobile nav{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);width:min(300px,100vw - 32px);box-shadow:var(--shadow);padding:8px;position:absolute;top:calc(100% + 10px);right:0}.nav-mobile[open] nav{animation:drop .18s var(--ease-out);transform-origin:100% 0}.nav-mobile ul{margin:0;padding:0;list-style:none}.nav-mobile li{margin:0}.nav-mobile a{color:var(--ink);border-radius:10px;padding:12px 14px;font-weight:550;text-decoration:none;display:block}.nav-mobile a:hover,.nav-mobile a[aria-current]{background:var(--teal-tint)}@keyframes drop{0%{opacity:0;transform:scale(.96)translateY(-4px)}}@media (width<=1080px){.nav-desktop{display:none}.nav-mobile{display:block}.header-call{margin-left:auto}.nav-mobile{margin-left:0}}@media (width<=720px){.header-call{display:none}.nav-mobile{margin-left:auto}.logo{width:172px}}.crumbs{padding-top:18px;font-size:.92rem}.crumbs ol{color:var(--ink-soft);flex-wrap:wrap;gap:4px 8px;margin:0;padding:0;list-style:none;display:flex}.crumbs li{margin:0}.crumbs li+li:before{content:"/";color:#8a9696;margin-right:8px}.section{padding-block:clamp(56px,7vw,96px)}.section-tight{padding-block:clamp(40px,5vw,64px)}.band-teal{background:var(--teal-tint)}.band-amber{background:var(--amber-tint)}.section-head{max-width:62ch;margin-bottom:36px}.section-head p{color:var(--ink-soft)}.kicker{letter-spacing:.08em;text-transform:uppercase;color:var(--teal);margin-bottom:14px;font-size:.85rem;font-weight:700;display:inline-block}.hero{padding-block:clamp(32px,5vw,72px) clamp(48px,6vw,88px)}.hero-grid{grid-template-columns:1.05fr 1fr;align-items:center;gap:clamp(28px,4vw,56px);display:grid}.hero h1{margin-bottom:.45em}.hero .lead{margin-bottom:1.4em}.hero-place{color:var(--ink-soft);align-items:center;gap:8px;margin:22px 0 0;font-weight:550;display:flex}.hero-place svg{color:var(--teal);flex-shrink:0}.hero-art{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:20px;padding:clamp(12px,2vw,22px)}.hero-art svg{width:100%;height:auto;display:block}@media (width<=900px){.hero-grid{grid-template-columns:1fr}}.page-hero{padding-block:28px 48px}.page-hero .lead{margin-bottom:1.4em}.page-hero-grid{grid-template-columns:minmax(0,1fr) 320px;align-items:start;gap:40px;display:grid}@media (width<=900px){.page-hero-grid{grid-template-columns:1fr}}.aside-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}.aside-card h2{margin-bottom:.5em;font-size:1.15rem}.aside-card .cta{gap:10px}.aside-card .btn{white-space:normal;width:100%;padding-inline:1em}.aside-card p{color:var(--ink-soft);font-size:.97rem}.zones{grid-template-columns:1.15fr 1fr 1fr;gap:18px;display:grid}.zone{border-radius:var(--radius);border:1px solid var(--line);background:var(--surface);flex-direction:column;padding:26px;display:flex}.zone h3{align-items:center;gap:10px;display:flex}.zone h3 svg{color:var(--teal)}.zone ul{margin:0 0 18px;padding-left:0;list-style:none}.zone li{color:var(--ink-soft);padding-left:22px;position:relative}.zone li:before{content:"";border:2px solid var(--amber);border-radius:50%;width:8px;height:8px;position:absolute;top:.62em;left:2px}.zone .zone-q{background:var(--stone);border-radius:10px;margin-top:auto;padding:12px 14px;font-size:.95rem}.zone-in{background:var(--slate);color:var(--stone);border-color:var(--slate)}.zone-in h3,.zone-in h3 svg{color:var(--stone)}.zone-in li{color:#d8dfdc}.zone-in .zone-q{background:#ffffff12}.zone-in a{color:#f2d27f}.zone-out{background:var(--teal-tint);border-color:#cfe0dc}.zone-out .zone-q{background:var(--surface)}@media (width<=900px){.zones{grid-template-columns:1fr}}.split{grid-template-columns:.9fr 1.4fr;align-items:start;gap:clamp(28px,5vw,72px);display:grid}@media (width<=860px){.split{grid-template-columns:1fr}}.facts{border-top:2px solid var(--slate);grid-template-columns:repeat(2,minmax(0,1fr));gap:0;display:grid}.facts>div{border-bottom:1px solid var(--line);padding:20px 20px 20px 0}.facts>div:nth-child(odd){padding-right:28px}.facts h3{margin-bottom:.35em;font-size:1.08rem}.facts p{color:var(--ink-soft);margin:0;font-size:.98rem}@media (width<=620px){.facts{grid-template-columns:1fr}.facts>div{padding-right:0}}.notes{gap:14px;display:grid}.note-row{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);grid-template-columns:56px 1fr;align-items:start;gap:18px;padding:20px 22px;display:grid}.note-row .ico{background:var(--amber-tint);width:48px;height:48px;color:var(--slate);border-radius:12px;place-items:center;display:grid}.note-row h3{margin-bottom:.3em}.note-row p{color:var(--ink-soft);margin:0}.svc-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:0;padding:0;list-style:none;display:grid}.svc-grid li{margin:0}.svc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);height:100%;color:var(--ink);transition:border-color .2s ease, transform .2s var(--ease-out);flex-direction:column;gap:8px;padding:22px;text-decoration:none;display:flex;position:relative}.svc .svc-ico{background:var(--teal-tint);width:44px;height:44px;color:var(--teal);border-radius:12px;place-items:center;display:grid}.svc h3{margin:6px 0 0;font-size:1.12rem}.svc p{color:var(--ink-soft);margin:0;font-size:.97rem}.svc .more{color:var(--teal);align-items:center;gap:6px;margin-top:auto;padding-top:8px;font-size:.95rem;font-weight:650;display:inline-flex}.svc .more svg{transition:transform .2s var(--ease-out)}@media (hover:hover) and (pointer:fine){.svc:hover{border-color:var(--teal);color:var(--ink);text-decoration:none;transform:translateY(-2px)}.svc:hover .more svg{transform:translate(3px)}}.svc-grid .featured{grid-column:span 2}.svc-grid .featured .svc{background:var(--slate);color:var(--stone);border-color:var(--slate)}.svc-grid .featured .svc p{color:#d3dbd8}.svc-grid .featured .svc .svc-ico{background:var(--amber);color:var(--slate)}.svc-grid .featured .svc .more{color:#f2d27f}.svc-grid .featured h3{font-size:1.45rem}@media (width<=960px){.svc-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=600px){.svc-grid{grid-template-columns:1fr}.svc-grid .featured{grid-column:auto}}.process{counter-reset:step;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;margin:0;padding:0;list-style:none;display:grid}.process li{border-top:2px solid var(--slate);counter-increment:step;margin:0;padding:22px 20px 0 0;position:relative}.process li:before{content:counter(step);background:var(--amber);width:28px;height:28px;color:var(--slate);font:700 .9rem/28px var(--font-display);text-align:center;border-radius:50%;position:absolute;top:-15px;left:0}.process h3{margin:8px 0 .35em;font-size:1.05rem}.process p{color:var(--ink-soft);margin:0;font-size:.96rem}@media (width<=900px){.process{border-left:2px solid var(--slate);grid-template-columns:1fr;gap:0;margin-left:14px}.process li{border-top:0;padding:0 0 26px 30px}.process li:before{top:0;left:-15px}.process h3{margin-top:2px}}.two{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}@media (width<=860px){.two{grid-template-columns:1fr}}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(22px,3vw,34px)}.panel-dark{background:var(--slate);color:var(--stone);border-color:var(--slate)}.panel-dark a{color:#f2d27f}.panel-dark .muted{color:#d3dbd8}.tags{flex-wrap:wrap;gap:8px;margin:0 0 1em;padding:0;list-style:none;display:flex}.tags li{background:var(--stone);border:1px solid var(--line);border-radius:8px;margin:0;padding:6px 12px;font-size:.94rem}.faq{gap:10px;max-width:820px;display:grid}.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}.faq summary{cursor:pointer;padding:18px 54px 18px 20px;font-size:1.04rem;font-weight:650;list-style:none;position:relative}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"";border-right:2px solid var(--teal);border-bottom:2px solid var(--teal);width:10px;height:10px;transition:transform .2s var(--ease-out);position:absolute;top:50%;right:22px;transform:translateY(-70%)rotate(45deg)}.faq details[open] summary:after{transform:translateY(-30%)rotate(-135deg)}.faq .faq-a{color:var(--ink-soft);padding:0 20px 18px}.faq .faq-a p:last-child{margin:0}.cta-band{background:var(--slate);color:var(--stone);border-radius:22px;grid-template-columns:1.3fr auto;align-items:center;gap:28px;padding:clamp(28px,5vw,56px);display:grid}.cta-band h2{margin-bottom:.3em}.cta-band p{color:#d3dbd8;max-width:54ch;margin:0}.cta-band .btn-ghost{color:var(--stone);border-color:var(--stone)}.cta-band .btn-ghost:hover{background:var(--stone);color:var(--slate)}@media (width<=860px){.cta-band{grid-template-columns:1fr}}.article{grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:clamp(28px,5vw,64px);display:grid}.article>aside{position:sticky;top:96px}@media (width<=960px){.article{grid-template-columns:1fr}.article>aside{position:static}}.article section{margin-bottom:44px}.article h2{font-size:clamp(1.45rem,1.2rem + 1vw,1.9rem)}.tbl-wrap{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);margin:0 0 1.2em;overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.97rem}th,td{text-align:left;vertical-align:top;padding:12px 16px}thead th{background:var(--teal-tint);color:var(--slate);font-weight:700}tbody tr+tr td{border-top:1px solid var(--line)}tbody td:first-child{font-weight:600}@media (width<=640px){.tbl-wrap{background:0 0;border:0;overflow:visible}.tbl-wrap thead{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}.tbl-wrap tr{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:10px;padding:6px 0;display:block}.tbl-wrap td{padding:6px 16px;display:block;border:0!important}.tbl-wrap td[data-label]:not([data-label=""]):before{content:attr(data-label);color:var(--teal);letter-spacing:.02em;font-size:.8rem;font-weight:700;display:block}}.checks{padding:0;list-style:none}.checks li{margin-bottom:.6em;padding-left:32px;position:relative}.checks li svg{color:var(--teal);position:absolute;top:.15em;left:0}.callout{border-left:4px solid var(--amber);background:var(--amber-tint);border-radius:0 var(--radius) var(--radius) 0;margin:0 0 1.2em;padding:18px 22px}.callout h3{margin-bottom:.35em;font-size:1.05rem}.callout p{margin:0}.steps{counter-reset:s;margin:0 0 1.2em;padding:0;list-style:none}.steps li{counter-increment:s;margin:0;padding:0 0 18px 48px;position:relative}.steps li:before{content:counter(s);border:2px solid var(--teal);width:32px;height:32px;color:var(--teal);font:700 .95rem/28px var(--font-display);text-align:center;border-radius:50%;position:absolute;top:0;left:0}.steps li:not(:last-child):after{content:"";background:var(--line);width:2px;position:absolute;top:36px;bottom:4px;left:15px}.steps strong{display:block}.steps span{color:var(--ink-soft)}.pairs{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:0 0 1.2em;display:grid}.pairs>div{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}.pairs h3{margin-bottom:.35em;font-size:1.04rem}.pairs p{color:var(--ink-soft);margin:0;font-size:.97rem}@media (width<=640px){.pairs{grid-template-columns:1fr}}.related{gap:10px;margin:0;padding:0;list-style:none;display:grid}.related li{margin:0}.related a{background:var(--surface);border:1px solid var(--line);border-radius:12px;justify-content:space-between;align-items:center;gap:12px;padding:14px 18px;font-weight:600;text-decoration:none;display:flex}.related a:hover{border-color:var(--teal)}.toc{margin:0 0 18px;padding:0;font-size:.95rem;list-style:none}.toc li{margin:0}.toc a{color:var(--ink-soft);border-bottom:1px solid var(--line);padding:6px 0;text-decoration:none;display:block}.toc a:hover{color:var(--teal)}.site-footer{background:var(--slate);color:#d3dbd8;margin-top:clamp(56px,7vw,96px);padding-top:56px}.site-footer a{color:var(--stone);text-decoration-color:#f7f6f066}.site-footer a:hover{color:#f2d27f}.footer-grid{grid-template-columns:1.3fr 1fr .8fr;gap:36px;padding-bottom:36px;display:grid}.footer-grid ul{margin:0;padding:0;list-style:none}.footer-grid li{margin-bottom:.45em}.footer-h{color:var(--stone);letter-spacing:0;margin-bottom:.9em;font-size:1rem}.footer-brand .logo{width:210px;margin-bottom:16px}.footer-brand p{max-width:38ch}.footer-phone{font:650 1.4rem/1.2 var(--font-display)}.footer-phone a{text-decoration:none}.footer-legal{color:var(--stone);border-top:1px solid #f7f6f029;padding-block:22px 28px;font-size:1rem}.footer-legal p{margin:0}@media (width<=860px){.footer-grid{grid-template-columns:1fr}}.callbar{display:none}@media (width<=860px){:root{--callbar-h:calc(72px + env(safe-area-inset-bottom))}.callbar{z-index:25;padding:10px 16px calc(10px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#f7f6f0f7;grid-template-columns:1fr 1fr;gap:10px;display:grid;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -8px 24px -16px #203b3d66}.callbar .btn{width:100%}}.glow{opacity:.9}@media (prefers-reduced-motion:no-preference){.hero-copy>*{animation:rise .6s var(--ease-out) both}.hero-copy>:nth-child(2){animation-delay:60ms}.hero-copy>:nth-child(3){animation-delay:.12s}.hero-copy>:nth-child(4){animation-delay:.18s}.glow{animation:glow .9s var(--ease-out) both}.glow-2{animation-delay:.25s}.glow-3{animation-delay:.45s}.glow-4{animation-delay:.65s}.route{stroke-dasharray:5 6;animation:1.6s linear both route}}@keyframes rise{0%{transform:translateY(10px)}}@keyframes glow{0%{opacity:0}}@keyframes route{0%{stroke-dashoffset:60px}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}