@font-face{font-family:Lexend Exa Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/lexend-exa-vietnamese-wght-normal.Cp9ZmVO4.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:Lexend Exa Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/lexend-exa-latin-ext-wght-normal.ByC1XcaG.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:Lexend Exa Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/lexend-exa-latin-wght-normal.bziMxHl4.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:Lexend Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/lexend-vietnamese-wght-normal.RvljkFvg.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:Lexend Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/lexend-latin-ext-wght-normal.B6JQhE1e.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:Lexend Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/lexend-latin-wght-normal.ci0D1wrL.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{--font-display:"Lexend Exa Variable", "Lexend Variable", system-ui, sans-serif;--font:"Lexend Variable", system-ui, -apple-system, "Segoe UI", sans-serif;--c-bone:#ecece4;--c-mist:#e0e1d7;--c-sage:#c6cabc;--c-sage-deep:#a8ad9c;--c-olive:#4d5143;--c-ink:#1f2219;--c-mute:#585c4f;--c-line:#1f221938;--c-line-light:#ffffff47;--c-warn-bg:#f3e7c4;--c-warn:#5e4708;--c-focus:#1f2219;--s-1:.25rem;--s-2:.5rem;--s-3:.75rem;--s-4:1rem;--s-5:1.5rem;--s-6:2.5rem;--s-7:4rem;--s-8:7rem;--s-9:10rem;--r-panel:28px;--measure:62ch;--wrap:82rem;--t-xs:.75rem;--t-sm:.9375rem;--t-base:clamp(1.0625rem, 1rem + .2vw, 1.15rem);--t-lg:clamp(1.2rem, 1.08rem + .5vw, 1.5rem);--t-xl:clamp(1.9rem, 1.1rem + 2.6vw, 3.4rem);--t-2xl:clamp(1.7rem, .8rem + 3vw, 3.7rem)}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{background:var(--c-bone);color:var(--c-ink);font:320 var(--t-base)/1.75 var(--font);text-rendering:optimizelegibility;margin:0}h1,h2,h3{margin:0 0 var(--s-4);text-wrap:balance;overflow-wrap:anywhere;hyphens:auto}h1{font:200 var(--t-2xl)/1.12 var(--font-display);letter-spacing:-.015em;hyphens:none;overflow-wrap:normal}h2{font:200 var(--t-xl)/1.1 var(--font);letter-spacing:-.02em;margin-top:var(--s-7)}h3{font:300 var(--t-lg)/1.25 var(--font);letter-spacing:-.01em;margin-top:var(--s-6)}p{margin:0 0 var(--s-4)}strong{font-weight:500}a{color:inherit;text-underline-offset:.28em;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}:focus-visible{outline:2px solid var(--c-focus);outline-offset:4px;border-radius:4px}.dark :focus-visible,.menu[open] :focus-visible{outline-color:#fff}img,svg{max-width:100%;height:auto}.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:max(1.25rem,4.5vw)}.sr{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.skip{background:var(--c-ink);color:#fff;z-index:200;border-radius:99px;padding:.7rem 1.1rem;position:absolute;top:-4rem;left:1rem}.skip:focus{top:1rem}.label{font:400 var(--t-xs)/1.2 var(--font);letter-spacing:.14em;text-transform:uppercase}.grain{isolation:isolate;position:relative}.grain:after{content:"";z-index:-1;pointer-events:none;opacity:.5;mix-blend-mode:multiply;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .22 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");position:absolute;inset:0}.site-header{z-index:60;position:absolute;inset:0 0 auto}.site-header .wrap{align-items:center;gap:var(--s-5);min-height:5.25rem;display:flex}.brand{font:300 1.35rem/1 var(--font-display);letter-spacing:-.04em;align-items:center;gap:.6rem;text-decoration:none;display:inline-flex}.brand b{font-weight:600}.brand svg{flex:none}.lang{font:400 var(--t-xs)/1 var(--font);letter-spacing:.08em;gap:.15rem;margin:0 0 0 auto;padding:0;list-style:none;display:flex}.lang a,.lang span{text-transform:uppercase;border-radius:99px;padding:.5rem .55rem;text-decoration:none;display:block}.lang a:hover{background:#1f221914}.lang a[aria-current]{border:1px solid}.lang span{opacity:.3}.menu>summary{cursor:pointer;font:400 var(--t-xs)/1 var(--font);letter-spacing:.16em;z-index:80;align-items:center;gap:.7rem;padding:.35rem .2rem;list-style:none;display:inline-flex;position:relative}.menu>summary::-webkit-details-marker{display:none}.menu>summary svg{transition:transform .5s cubic-bezier(.3,.8,.2,1)}.menu[open]>summary{color:#fff}.menu[open]>summary svg{transform:rotate(180deg)}.menu-panel{background:var(--c-olive);color:#fff;z-index:70;padding:7rem max(1.25rem,4.5vw) 3rem;position:fixed;inset:0;overflow-y:auto}.menu-panel nav{gap:var(--s-6) var(--s-7);max-width:var(--wrap);grid-template-columns:1fr 1fr;margin-inline:auto;display:grid}.menu-panel ul{margin:0;padding:0;list-style:none}.menu-panel a{padding:.35rem 0;text-decoration:none;display:block}.menu-panel .primary a{font:200 clamp(1.7rem,1rem + 3vw,3.6rem)/1.15 var(--font);letter-spacing:-.02em}.menu-panel .primary a:hover{opacity:.6}.menu-panel .secondary a{font-size:var(--t-sm);opacity:.8}.menu-panel .secondary a:hover{opacity:1;text-decoration:underline}.menu-panel .label{opacity:.6;margin:0 0 var(--s-3)}@media (prefers-reduced-motion:no-preference){.menu[open] .menu-panel{animation:.5s cubic-bezier(.3,.8,.2,1) veil}@keyframes veil{0%{clip-path:circle(0 at calc(100% - 3rem) 2.6rem)}to{clip-path:circle(150% at calc(100% - 3rem) 2.6rem)}}}.preview-bar{z-index:90;background:var(--c-ink);color:#fff;font:400 10px/1 var(--font);letter-spacing:.14em;text-transform:uppercase;border-top-right-radius:10px;padding:.45rem .8rem;position:fixed;bottom:0;left:0}.inner-top{height:5.25rem}.btn{background:var(--c-ink);color:var(--c-bone);border:1px solid var(--c-ink);font:400 var(--t-xs)/1 var(--font);letter-spacing:.14em;text-transform:uppercase;cursor:pointer;border-radius:99px;align-items:center;gap:.8rem;padding:.95rem 1.7rem;text-decoration:none;transition:background .25s,color .25s;display:inline-flex}.btn:hover{color:var(--c-ink);background:0 0;text-decoration:none}.btn.ghost{color:var(--c-ink);background:0 0}.btn.ghost:hover{background:var(--c-ink);color:var(--c-bone)}.dark .btn{color:var(--c-olive);background:#fff;border-color:#fff}.dark .btn:hover{color:#fff;background:0 0}.btn:after{content:"";background:currentColor;width:1.6rem;height:1px;transition:width .25s}.btn:hover:after{width:2.2rem}.actions{gap:var(--s-3);flex-wrap:wrap;display:flex}.hero5{background:var(--c-sage);align-items:stretch;min-height:min(100svh,62rem);display:flex;overflow:hidden}.hero5>.wrap{gap:var(--s-6);width:100%;padding-block:8rem var(--s-7);grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);align-items:center;display:grid}.hero5 h1{max-width:16ch;margin-bottom:var(--s-6)}.lead{font-size:var(--t-lg);max-width:34ch;margin:0 0 var(--s-5);font-weight:300;line-height:1.55}.note{font-size:var(--t-xs);color:var(--c-mute);margin:var(--s-5) 0 0;max-width:44ch;line-height:1.6}.hero5 .note{color:#43473b}.sculpt{justify-self:end;width:100%;max-width:38rem;margin:0}.sculpt svg{width:100%;height:auto;display:block;overflow:visible}@media (prefers-reduced-motion:no-preference){.sculpt .lightsweep{animation:14s ease-in-out infinite alternate sweep}@keyframes sweep{0%{transform:translate(-6%)}to{transform:translate(6%)}}}.section{padding-block:var(--s-8)}.section-head{gap:var(--s-5) var(--s-7);margin-bottom:var(--s-7);grid-template-columns:minmax(0,1fr) minmax(0,1.6fr);align-items:end;display:grid}.section-head h2{margin:0}.section-head p{color:var(--c-mute);max-width:44ch;margin:0}.arches{gap:var(--s-7) var(--s-8);grid-template-columns:1fr 1fr;display:grid}.arch{gap:var(--s-5);grid-template-columns:9.5rem minmax(0,1fr);align-items:start;display:grid}.arch-shape{background:linear-gradient(180deg,var(--c-mist),var(--c-bone));text-align:center;width:9.5rem;height:9.5rem;font:300 var(--t-sm)/1.2 var(--font);border-radius:9.5rem 9.5rem 0 0;place-items:end center;padding-bottom:1rem;text-decoration:none;display:grid;position:relative;box-shadow:inset 0 10px 24px #ffffffb3,inset 0 -14px 26px #1f221917,0 18px 30px -18px #1f22194d}.arch-shape:before{content:"";border:1px solid var(--c-ink);background:var(--c-bone);border-radius:50%;width:7px;height:7px;margin-left:-3.5px;position:absolute;top:1.2rem;left:50%}.arch ul{border-left:1px solid var(--c-line);flex-direction:column;justify-content:flex-end;align-self:end;gap:.15rem;min-height:5rem;margin:0;padding:0 0 0 1.3rem;list-style:none;display:flex}.arch li{position:relative}.arch li:before{content:"";background:var(--c-line);width:1.3rem;height:1px;position:absolute;top:.95em;left:-1.3rem}.arch li a{padding:.3rem 0;font-weight:300;line-height:1.4;text-decoration:none;display:block}.arch li a:hover{text-decoration:underline}.arch li.more a{color:var(--c-mute);font-size:var(--t-sm)}.dark{background:var(--c-olive);color:#fff;padding-block:var(--s-8)}.dark .section-head p,.dark .note{color:#ffffffbf}.dark h2{margin:0}.panel-wrap{background:var(--c-mist);border-radius:var(--r-panel);padding:clamp(1.5rem,4vw,4rem)}.split{gap:var(--s-6) var(--s-7);grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);align-items:start;display:grid}.split h2{margin-top:0}.grid{gap:var(--s-5);grid-template-columns:repeat(auto-fill,minmax(min(100%,19rem),1fr));display:grid}.card{gap:var(--s-3);padding:var(--s-5);border-radius:var(--r-panel);background:var(--c-mist);flex-direction:column;min-height:13rem;text-decoration:none;transition:background .25s;display:flex}a.card:hover{background:var(--c-sage)}.card h3{margin:0;font-size:1.35rem}.card p{font-size:var(--t-sm);color:var(--c-mute);margin:0;line-height:1.6}.crumbs{font:400 var(--t-xs)/1.4 var(--font);letter-spacing:.04em;color:var(--c-mute);padding-block:var(--s-5)}.crumbs ol{flex-wrap:wrap;gap:.4rem;margin:0;padding:0;list-style:none;display:flex}.crumbs li+li:before{content:"/";opacity:.5;margin-right:.4rem}.crumbs a{text-decoration:none}.crumbs a:hover{text-decoration:underline}.article{grid-template-columns:minmax(0,var(--measure)) 16rem;gap:var(--s-8);padding-bottom:var(--s-8);justify-content:space-between;display:grid}@media (width<=62rem){.article{grid-template-columns:1fr}}.article h1{margin-bottom:var(--s-5);font-size:clamp(1.8rem,.8rem + 3.2vw,3.4rem)}.article .meta{gap:var(--s-1) var(--s-5);font-size:var(--t-xs);letter-spacing:.03em;color:var(--c-mute);margin-bottom:var(--s-5);flex-wrap:wrap;display:flex}.answer{background:var(--c-sage);border-radius:var(--r-panel);padding:var(--s-5) var(--s-6);margin-block:var(--s-5);font:300 1.2rem/1.6 var(--font)}.answer strong{font:400 var(--t-xs)/1 var(--font);letter-spacing:.14em;text-transform:uppercase;color:#43473b;margin-bottom:.8rem;display:block}.notice{background:var(--c-warn-bg);color:var(--c-warn);padding:var(--s-3) var(--s-5);font-size:var(--t-sm);margin-block:var(--s-4);border-radius:99px;line-height:1.55}.prose table{border-collapse:collapse;width:100%;font-size:var(--t-sm);margin-block:var(--s-5);line-height:1.55}.prose th,.prose td{border-bottom:1px solid var(--c-line);text-align:left;vertical-align:top;padding:.8rem}.prose th{background:var(--c-mist);font-weight:500}.prose .table-wrap{overflow-x:auto}.prose ul,.prose ol{padding-left:1.3rem}.prose li{margin-bottom:.5rem}.prose h2{padding-top:var(--s-5);border-top:1px solid var(--c-line);font-size:clamp(1.6rem,1rem + 1.8vw,2.4rem)}.aside{font-size:var(--t-sm);align-self:start;line-height:1.55;position:sticky;top:2rem}.aside h2{font:400 var(--t-xs)/1.2 var(--font);letter-spacing:.14em;text-transform:uppercase;margin:0 0 var(--s-3);color:var(--c-mute);border:0;padding:0}.aside ul{margin:0 0 var(--s-5);padding:0;list-style:none}.aside li{margin-bottom:.6rem}.sources{font-size:var(--t-sm);line-height:1.6}.sources li{margin-bottom:.4rem}.tool{background:var(--c-mist);border-radius:var(--r-panel);width:100%;max-width:46rem;padding:clamp(1.25rem,3vw,2.5rem)}.field{margin-bottom:var(--s-4);flex-direction:column;gap:.2rem;display:flex}.field label{font:400 var(--t-xs)/1.4 var(--font);letter-spacing:.06em;color:var(--c-mute)}.field input,.field textarea{font:300 1.15rem/1.4 var(--font);border:0;border-bottom:1px solid var(--c-ink);color:var(--c-ink);background:0 0;border-radius:0;padding:.6rem 0}.field input:focus,.field textarea:focus{border-bottom-width:2px;outline:0}.field .err{color:#8f1d1d;font-size:var(--t-xs);min-height:1em}.field input[aria-invalid=true],.field textarea[aria-invalid=true]{border-bottom-color:#8f1d1d}.result{margin-top:var(--s-5);border-top:1px solid var(--c-ink);padding-top:var(--s-4)}.result dl{font-size:var(--t-sm);grid-template-columns:1fr auto;gap:.6rem 1rem;margin:0;display:grid}.result dd{font:200 2rem/1.1 var(--font-display);font-variant-numeric:tabular-nums;text-align:right;margin:0}.formula{font-size:var(--t-xs);color:var(--c-mute);margin-top:var(--s-4);line-height:1.6}.tag{font:400 var(--t-xs)/1 var(--font);letter-spacing:.14em;text-transform:uppercase;border:1px solid var(--c-ink);margin-bottom:var(--s-4);border-radius:99px;padding:.4rem .7rem;display:inline-block}.check-list{padding:0;list-style:none}.check-list li{border-bottom:1px solid var(--c-line);padding:var(--s-3) 0}.check-list label{cursor:pointer;align-items:flex-start;gap:.9rem;display:flex}.check-list input{block-size:1.15rem;inline-size:1.15rem;accent-color:var(--c-olive);margin-top:.45rem}form.tool[data-tool]{column-gap:var(--s-5);grid-template-columns:1fr 1fr;align-items:start;display:grid}form.tool[data-tool]>.tag,form.tool[data-tool]>.btn,form.tool[data-tool]>.result,form.tool[data-tool]>.formula{grid-column:1/-1;justify-self:start}form.tool[data-tool]>.result,form.tool[data-tool]>.formula{justify-self:stretch}.site-footer{background:var(--c-olive);color:#fff;padding-block:var(--s-7);font-size:var(--t-sm);margin-top:0;line-height:1.7}.site-footer .cols{gap:var(--s-6);grid-template-columns:2fr 1fr 1fr;display:grid}.site-footer strong{font:400 var(--t-xs)/1 var(--font);letter-spacing:.14em;text-transform:uppercase;margin-bottom:var(--s-3);opacity:.7;display:block}.site-footer p{color:#ffffffd9}.site-footer ul{margin:0;padding:0;list-style:none}.site-footer li{margin-bottom:.4rem}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}@media (width<=62rem){.hero5>.wrap,.section-head,.split,.site-footer .cols{grid-template-columns:1fr}.arches{gap:var(--s-6);grid-template-columns:1fr}.sculpt{justify-self:start;max-width:26rem}.hero5>.wrap{padding-block:7rem var(--s-6)}.section{padding-block:var(--s-7)}.menu-panel nav{grid-template-columns:1fr}}@media (width<=40rem){.arch{gap:var(--s-4);grid-template-columns:7rem minmax(0,1fr)}.arch-shape{border-radius:7rem 7rem 0 0;width:7rem;height:7rem;font-size:.8rem}form.tool[data-tool]{grid-template-columns:1fr}.lang a,.lang span{padding:.45rem .35rem}.site-header .wrap{gap:var(--s-3)}.brand{white-space:nowrap;font-size:1.15rem}.lang li:not(:has([aria-current])){display:none}.lang{margin-left:auto}.menu>summary .label{display:none}.hero5 h1{max-width:none}}
