@font-face{font-family:"Baloo 2";font-weight:600 800;src:url(/fonts/baloo2-latin-800.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+2000-206F,U+20AC,U+2122}@font-face{font-family:"Baloo 2";font-weight:600 800;src:url(/fonts/baloo2-vietnamese-800.woff2)format("woff2");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:CuBeVN;font-weight:500;src:url(/fonts/bevn-latin-500.woff2)format("woff2");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:CuBeVN;font-weight:500;src:url(/fonts/bevn-vietnamese-500.woff2)format("woff2");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:CuBeVN;font-weight:700;src:url(/fonts/bevn-latin-700.woff2)format("woff2");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:CuBeVN;font-weight:700;src:url(/fonts/bevn-vietnamese-700.woff2)format("woff2");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:CuIPA;font-weight:500;src:url(/fonts/ipa-latin-500.woff2)format("woff2");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:CuIPA;font-weight:500;src:url(/fonts/ipa-latin-ext-500.woff2)format("woff2");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-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#2f3650;--mut:#6b7390;--yellow:#f5c84c;--yellow-d:#d6a531;--yellow-l:#fbf2d6;--blue:#8fb2ea;--blue-d:#6489c8;--green:#6bbb4c;--green-d:#4f9935;--purple:#a68be2;--purple-d:#7d63c2;--teal:#5ec2c2;--teal-d:#3f9c9d;--rim:#b8d0ee;--well:#d5e4f7;--hud:#2f3650d6;--grass:#93c56c;--dirt:#a17452;--f:"Baloo 2","Arial Rounded MT Bold","Trebuchet MS",system-ui,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);font-family:var(--f);padding-inline:max(16px,env(safe-area-inset-left,0px));background:#e3eef5;margin:0;font-size:17px;font-weight:600;line-height:1.45;overflow-x:hidden}a{color:inherit}.wrap{max-width:1040px;margin:0 auto;padding:56px 0}.center{text-align:center}.mut{color:var(--mut)}.ol{color:#fff;-webkit-text-stroke:.12em var(--ink);paint-order:stroke fill;text-shadow:0 .05em 0 var(--ink),0 .1em 0 var(--ink),0 .3em .25em #1f274040;margin:0;line-height:1.05}.ol .y{color:var(--yellow)}h2.ol{text-align:center;font-size:clamp(2rem,5vw,3rem)}.sky{z-index:-2;pointer-events:none;filter:blur(18px);background:radial-gradient(60% 28% at 20% 92%,#96c87873,#0000 70%),radial-gradient(60% 28% at 85% 95%,#82be6e66,#0000 70%),radial-gradient(18% 6% at 22% 14%,#ffffffe6,#0000 70%),radial-gradient(16% 6% at 78% 20%,#ffffffd9,#0000 70%),linear-gradient(#d5e9f7,#e8f2f6 55%,#e3efdc);position:fixed;inset:-40px}.clouds{z-index:-1;pointer-events:none;position:fixed;inset:0;overflow:hidden}.clouds i{opacity:.85;background:#fff;border-radius:99px;width:150px;height:46px;animation:60s linear infinite drift;position:absolute;left:-200px;box-shadow:40px -18px 0 8px #fff,-30px 6px 0 -4px #fff}.clouds i:first-child{top:12%}.clouds i:nth-child(2){animation-duration:85s;animation-delay:-30s;top:34%;transform:scale(.7)}.clouds i:nth-child(3){opacity:.6;animation-duration:100s;animation-delay:-60s;top:62%;transform:scale(1.2)}.clouds i:nth-child(4){opacity:.7;animation-duration:70s;animation-delay:-10s;top:80%;transform:scale(.8)}@keyframes drift{to{translate:calc(100vw + 400px)}}.cb{border:2px solid var(--ink);cursor:pointer;background:var(--yellow);box-shadow:inset 0 -4px 0 var(--yellow-d),0 3px 0 var(--ink);font:800 1rem var(--f);text-transform:uppercase;letter-spacing:.03em;color:var(--ink);border-radius:20px;justify-content:center;align-items:center;gap:8px;padding:10px 22px 14px;text-decoration:none;transition:transform .1s;display:inline-flex;position:relative;overflow:hidden}.cb:before{content:"";pointer-events:none;background:#ffffff61;border-radius:99px;height:30%;position:absolute;top:3px;left:12%;right:12%}.cb:hover{transform:translateY(-2px)}.cb:active{box-shadow:inset 0 -2px 0 var(--yellow-d),0 1px 0 var(--ink);transform:translateY(3px)}.cb.green{background:var(--green);box-shadow:inset 0 -4px 0 var(--green-d),0 3px 0 var(--ink);color:#fff;-webkit-text-stroke:.12em var(--ink);paint-order:stroke fill}.cb.big{padding:14px 30px 18px;font-size:1.25rem}.chip{color:var(--ink);border:2px solid var(--ink);box-shadow:inset 0 -3px 0 #f0d28a,0 3px 0 var(--ink);background:linear-gradient(#fffef6,#fff1c9);border-radius:999px;gap:6px;padding:3px 14px 5px;font-size:.9rem;font-weight:800;display:inline-flex}.panel{border:2px solid var(--ink);box-shadow:inset 0 2px 0 #ffffffb3,inset 0 -6px 0 var(--rim),0 4px 0 var(--ink),0 16px 22px -10px #2f365059;background:linear-gradient(#ebf3fd,#dbe8f9);border-radius:20px;padding:16px}.well{background:var(--well);border:2px solid var(--ink);border-radius:14px;box-shadow:inset 0 2px #2f36501f}.seg{background:var(--well);border:2px solid var(--ink);border-radius:14px;gap:0;margin-bottom:12px;padding:3px;display:inline-flex}.seg button{font:800 .9rem var(--f);color:var(--ink);cursor:pointer;background:0 0;border:0;border-radius:10px;padding:4px 14px}.seg button[aria-pressed=true]{background:var(--yellow);box-shadow:inset 0 -2px 0 var(--yellow-d)}.nav{z-index:20;border:2px solid var(--ink);max-width:1040px;box-shadow:inset 0 2px 0 #ffffffe6,inset 0 -5px 0 #f0d28a,0 4px 0 var(--ink),0 14px 20px -10px #2f365059;background:linear-gradient(#fffef6,#fff1c9);border-radius:22px;justify-content:space-between;align-items:center;gap:12px;margin:10px auto 0;padding:6px 8px 10px 16px;display:flex;position:sticky;top:10px}.nav a{color:var(--ink);font-weight:800;text-decoration:none}.nav nav{gap:4px;margin-left:auto;display:flex}.nav nav a{border:2px solid #0000;border-radius:14px;padding:3px 14px 5px;transition:transform .12s,background .12s}.nav nav a:hover,.nav nav a:focus-visible{background:var(--yellow);border-color:var(--ink);box-shadow:inset 0 -3px 0 var(--yellow-d),0 2px 0 var(--ink);outline:0;transform:translateY(-1px)}.nav nav a:active{box-shadow:none;transform:translateY(2px)}.nav-cta{border-radius:16px;padding:5px 18px 9px;font-size:.9rem}.brand{align-items:center;gap:8px;font-size:1.35rem;display:flex}.brand .ol{text-shadow:0 .06em 0 var(--ink);-webkit-text-stroke:.1em var(--ink)}.mini-owl{width:34px;height:34px;display:inline-block}.mini-owl svg,.hero-owl svg{width:100%;height:100%;display:block}@media (max-width:820px){.nav nav{display:none}.nav-cta{margin-left:auto}}.hero{grid-template-columns:1.1fr .9fr;align-items:center;gap:24px;min-height:78vh;display:grid}.hero h1{margin:14px 0;font-size:clamp(3rem,9vw,5.6rem)}.lead{max-width:30em;font-size:1.2rem}.cta{flex-wrap:wrap;gap:12px;margin:22px 0;display:flex}.facts{color:var(--mut);flex-wrap:wrap;gap:16px;margin:0;padding:0;font-weight:800;list-style:none;display:flex}.facts li:before{content:"✓ ";color:var(--green-d)}.island-art{aspect-ratio:1;max-width:420px;margin:0 auto;animation:5s ease-in-out infinite bob;position:relative}.hero-owl{filter:drop-shadow(0 10px #2f36502e);transition:translate .15s;position:absolute;inset:6% 12% 24%}.float-card{border:2px solid var(--ink);box-shadow:0 3px 0 var(--ink);background:#fff8e1;border-radius:14px;padding:4px 12px;font-weight:800;animation:4s ease-in-out infinite bob;position:absolute}.float-card .tag{background:var(--yellow);border:1.5px solid var(--ink);border-radius:99px;margin-right:4px;padding:0 8px;font-size:.75rem}.c1{animation-delay:-1s;top:4%;left:-2%}.c2{animation-delay:-2s;top:20%;right:-4%}.c3{animation-delay:-3s;bottom:34%;left:-8%}@keyframes bob{50%{transform:translateY(-12px)}}@media (max-width:820px){.hero{grid-template-columns:1fr;min-height:0}.c1,.c3{left:0}.c2{right:0}}.lookup{padding-top:30px}.lk{max-width:760px;margin:0 auto}.lk-form{align-items:flex-start;gap:10px;display:flex}.lk-field{flex:1;min-width:0;position:relative}.lk-field input{width:100%;height:52px;font:700 1.1rem var(--f);color:var(--ink);border:2px solid var(--ink);background:#fff;border-radius:16px;outline:0;padding:0 44px 0 16px;box-shadow:inset 0 3px #2f36501a}.lk-field input:focus{border-color:var(--blue-d);box-shadow:0 0 0 3px #6489c84d}.lk-clear{color:#fff;width:26px;height:26px;font:800 1.1rem/1 var(--f);cursor:pointer;background:#cfd6e4;border:0;border-radius:50%;position:absolute;top:13px;right:10px}.lk-clear:hover{background:var(--mut)}.lk-form .cb{height:52px;padding:0 26px 4px}.lk-sugg{z-index:10;border:2px solid var(--ink);max-height:260px;box-shadow:0 4px 0 var(--ink),0 14px 24px -10px #2f365066;background:#fff;border-radius:16px;position:absolute;top:calc(100% + 6px);left:0;right:0;overflow-y:auto}.lk-item{text-align:left;cursor:pointer;width:100%;font:600 1rem var(--f);color:var(--ink);background:0 0;border:0;justify-content:space-between;align-items:center;gap:12px;padding:9px 14px;display:flex}.lk-item+.lk-item{border-top:2px solid #eef1f6}.lk-item:hover,.lk-item:focus-visible{background:var(--yellow-l);outline:0}.lk-item small{color:var(--mut);font-weight:500;display:block}.lk-item em{background:var(--yellow-l);color:#8a5a00;border-radius:8px;margin-left:6px;padding:0 8px;font-style:normal;font-weight:700}.lk-vi{color:#8a5a00;text-align:right;font-weight:700}.lk-skel{justify-content:space-between;padding:14px;display:flex}.lk-skel+.lk-skel{border-top:2px solid #eef1f6}.lk-skel i{background:linear-gradient(90deg,#eef1f6 25%,#fbe9bd 50%,#eef1f6 75%) 0 0/200% 100%;border-radius:99px;width:28%;height:12px;animation:1s linear infinite shim}.lk-skel i+i{width:40%}@keyframes shim{to{background-position:-200% 0}}.lk-empty{color:var(--mut);padding:12px 14px}.lk-tags{flex-wrap:wrap;align-items:center;gap:8px;margin-top:14px;display:flex}.lk-lbl{color:var(--mut);font-size:.9rem;font-weight:800}.lk-tag{border:2px solid var(--ink);color:var(--ink);font:700 .95rem var(--f);cursor:pointer;background:#fff;border-bottom-width:4px;border-radius:12px;padding:2px 12px}.lk-tag.alt{background:var(--yellow-l)}.lk-tag:hover{transform:translateY(-2px)}.lk-tag:active{border-bottom-width:2px;transform:translateY(2px)}.lk-out{max-width:100%;margin-top:16px;display:block}.lk-out[hidden]{display:none}@media (max-width:520px){.lk-form .cb{padding:0 16px 4px}}.sub{text-align:center;max-width:36em;color:var(--mut);margin:10px auto 22px}.demo-panel{max-width:760px;margin:0 auto}.article{padding:16px 20px;font-family:Georgia,serif;font-size:1.2rem;font-weight:400;line-height:1.7}.article p{margin:0 0 .6em}.article p:last-child{margin:0}.article b{border-bottom:2px dashed var(--yellow-d);font-weight:700}.article ::selection{background:#ffe08a}.hint{text-align:center;color:var(--mut);margin:10px 0 0;font-weight:800}.grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px;margin-top:30px;display:grid}.panel h3{margin:6px 0 4px;font-size:1.25rem}.panel p{color:var(--mut);margin:0}.ico{background:var(--yellow-l);border:2px solid var(--ink);width:52px;height:52px;box-shadow:0 3px 0 var(--ink);border-radius:16px;place-items:center;font-size:1.6rem;transition:transform .2s;display:grid}.panel:hover .ico{transform:rotate(-8deg)scale(1.08)}.theme-row{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:26px;margin-top:26px;display:grid}figure{text-align:center;margin:0}figcaption{margin-top:10px;font-size:1.1rem;font-weight:800}.shot{border:2px solid var(--ink);min-height:300px;box-shadow:0 4px 0 var(--ink);background:repeating-linear-gradient(45deg,#f4f8fc 0 14px,#eaf1f9 14px 28px);border-radius:22px;justify-content:center;align-items:flex-start;padding:22px 10px;transition:transform .25s;display:flex}.shot:hover{transform:translateY(-6px)rotate(-.6deg)}.faq-list{gap:14px;max-width:760px;margin:26px auto 0;display:grid}.faq details{padding:0}.faq summary{cursor:pointer;padding:14px 48px 14px 18px;font-size:1.1rem;font-weight:800;list-style:none;position:relative}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";border:2px solid var(--ink);background:var(--yellow);border-radius:50%;place-items:center;width:26px;height:26px;font-weight:800;line-height:1;display:grid;position:absolute;top:50%;right:16px;translate:0 -50%}.faq details[open] summary:after{content:"–"}.faq details p{color:var(--mut);margin:0;padding:0 18px 16px}.faq summary:focus-visible{outline:3px solid var(--blue-d);outline-offset:2px;border-radius:16px}.steps{gap:16px;max-width:640px;margin:28px auto;padding:0;list-style:none;display:grid}.steps li{align-items:center;gap:14px;display:flex}.steps b{background:var(--yellow);border:2px solid var(--ink);width:38px;height:38px;box-shadow:0 2px 0 var(--ink);border-radius:50%;flex:none;place-items:center;display:grid}code{background:var(--well);border:1.5px solid var(--ink);border-radius:8px;padding:0 6px;font-size:.9em}footer{text-align:center;color:var(--mut);flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;padding:30px 0 40px;font-weight:700;display:flex}footer .mini-owl{width:26px;height:26px}.js .reveal{opacity:0;transition:opacity .6s,translate .6s cubic-bezier(.3,1.4,.5,1);translate:0 28px}.js .reveal.in{opacity:1;translate:0}.confetti{border:1.5px solid var(--ink);pointer-events:none;z-index:99;border-radius:3px;width:10px;height:14px;animation:1.1s ease-out forwards fall;position:fixed}@keyframes fall{to{transform:translate(var(--dx),var(--dy)) rotate(var(--r));opacity:0}}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}.js .reveal{opacity:1;translate:none}}