@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Thai:wght@400;500;600;700&display=swap');
:root{--navy:#132d46;--teal:#087e80;--mint:#dff3ee;--muted:#536371;--border:#dce4e9}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:#fff;color:var(--navy);font:16px/1.75 'Noto Sans Thai',Tahoma,sans-serif}button,input{font:inherit}a{color:inherit;text-decoration:none}button,a,input{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #42bdb1;outline-offset:4px}.container{width:min(1280px,calc(100% - 80px));margin:auto}h1,h2,h3,p{margin:0}h1{font-size:44px;line-height:1.35;letter-spacing:-1.4px;font-weight:700}h2{font-size:32px;line-height:1.4;letter-spacing:-.7px}h3{font-size:21px;line-height:1.5}.header{display:flex;align-items:center;gap:42px;min-height:100px}.brand{font-size:34px;font-weight:700;letter-spacing:-1.7px;line-height:1.2}.brand span{color:var(--teal)}nav{display:flex;gap:25px;margin-left:auto}nav a{font-size:14px;font-weight:500;white-space:nowrap}nav a:hover,.text-link:hover{color:#0ba29e}.search-link{border:1px solid var(--border);padding:8px 14px;border-radius:5px;display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8}.hero{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding-top:45px;padding-bottom:80px}.hero>div>p{font-size:19px;color:var(--muted);margin:22px 0 30px}.actions{display:flex;align-items:center;gap:26px}.button{display:inline-flex;align-items:center;justify-content:center;gap:20px;background:var(--teal);color:#fff;border:0;border-radius:5px;padding:13px 23px;font-weight:600}.button:hover{background:#056b6e}.text-link{display:inline-flex;gap:16px;align-items:center;color:var(--teal);font-weight:600}.journey{background:#e7f7f3;padding:30px 20px 26px;border-radius:9px}.journey h2{font-size:23px;letter-spacing:-.5px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}.steps>div{position:relative}.steps b{display:flex;justify-content:center;align-items:center;margin:0 auto 15px;background:#b8ece2;width:58px;height:58px;border-radius:50%;font-size:21px}.steps>div:not(:last-child):after{content:'';position:absolute;left:calc(50% + 35px);top:29px;width:calc(100% - 58px);height:1px;background:#5dcebc}.steps article{background:#fff;border-radius:6px;padding:19px 15px;min-height:170px}.steps h3{font-size:18px}.steps p{font-size:14px;color:var(--muted);line-height:1.8;margin-top:11px}.paths{padding-bottom:70px}.intro{color:var(--muted);font-size:18px;margin-top:12px}.path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:28px}.path{background:white;border:1px solid var(--border);border-radius:5px;text-align:left;padding:27px 28px;color:var(--navy);transition:transform .2s,border-color .2s}.path:hover{transform:translateY(-4px);border-color:var(--teal)}.path-top{display:flex;align-items:center;gap:20px;margin-bottom:16px}.path-top b{font-size:28px}.icon{display:flex;align-items:center;justify-content:center;background:#e3f6f1;border-radius:50%;width:64px;height:64px;font-size:36px;line-height:1}.code-icon{font:24px/1 monospace}.path p{color:var(--muted);margin:13px 0 28px;min-height:58px}.lessons{display:grid;grid-template-columns:.8fr 1.2fr;gap:75px;padding-bottom:70px;padding-top:8px}.lesson-heading>p{color:var(--muted);font-size:18px;margin-top:20px}.lesson-heading .notice{font-size:14px;padding-left:15px;border-left:2px solid #9ddbcc;margin-bottom:28px}.library label{font-size:14px;font-weight:600}.searchbox{display:flex;gap:12px;align-items:center;border:1px solid var(--border);border-radius:5px;padding:10px 14px;margin-top:8px}.searchbox input{border:0;outline:none;width:100%;font-size:15px;color:var(--navy);background:transparent}.filters{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.filters button{border:0;background:#f1f5f6;color:var(--muted);border-radius:4px;padding:6px 13px;font-size:13px}.filters button[aria-pressed=true]{background:var(--navy);color:white}#result-count{font-size:12px;color:var(--muted);margin:13px 0 5px}.article-row{width:100%;border:0;border-top:1px solid var(--border);padding:21px 0;background:#fff;display:flex;gap:20px;text-align:left;color:var(--navy);align-items:center}.article-row:hover h3{color:var(--teal)}.article-number{display:flex;width:52px;height:52px;flex-shrink:0;align-items:center;justify-content:center;border-radius:50%;background:#d8f3eb;font-size:20px;font-weight:600}.article-row h3{font-size:18px}.article-row p{font-size:13px;color:var(--muted);margin-top:4px}.article-row .arrow{color:var(--teal);font-size:24px;margin-left:auto}.more{background:#fff;border:0;border-top:1px solid var(--border);width:100%;padding:16px;color:var(--teal);font-weight:600;font-size:14px}.empty{padding:25px 0;color:var(--muted)}.code-band{background:var(--navy);color:#fff;padding:45px 0}.code-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:75px;align-items:center}.code-layout h2{font-size:34px}.code-layout p{margin:19px 0 25px;color:#dce7ed}.code-layout .code-note{font-size:12px;margin:15px 0 0;color:#a9c4d1}.code-panel{background:#0c2031;border:1px solid #4d687b;border-radius:5px;overflow:hidden}.code-bar{border-bottom:1px solid #395367;padding:12px 18px;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:#a2ebdf}.code-bar button{background:transparent;border:1px solid #4d687b;border-radius:4px;padding:4px 10px;color:#e7f0f4;font-size:12px}pre{margin:0;padding:25px 22px;overflow:auto;font:14px/1.9 ui-monospace,SFMono-Regular,Consolas,monospace;color:#e1edf5}.keyword{color:#63c9ed}.type{color:#9cddc7}.comment{color:#91a7b4}.code-caption{font-size:12px;color:#a9c4d1;padding:10px 22px;border-top:1px solid #294354}.footer{display:flex;justify-content:space-between;gap:20px;padding-top:30px;padding-bottom:30px}.footer .brand{font-size:28px}.footer p{font-size:12px;color:var(--muted);margin-top:8px}.menu{display:none}.skip{position:absolute;top:-100px;left:10px;background:white;padding:10px;z-index:5}.skip:focus{top:5px}dialog{border:1px solid var(--border);border-radius:12px;padding:42px;max-width:650px;width:calc(100% - 32px);color:var(--navy);max-height:85vh}dialog::backdrop{background:#0b2435a8}.close{position:absolute;right:15px;top:10px;background:none;border:none;font-size:28px;color:var(--muted)}dialog h2{font-size:27px;margin:12px 0 20px}dialog h3{font-size:16px;margin:20px 0 5px}dialog p{color:var(--muted)}dialog .status{font-size:13px;color:var(--teal)}.close-bottom{margin-top:28px;font-size:14px}
@media(min-width:1450px){.hero{padding-top:60px;padding-bottom:90px}h1{font-size:48px}}@media(max-width:1100px){.container{width:calc(100% - 48px)}.header{gap:20px}nav{gap:17px}nav a{font-size:12px}.search-link span{display:none}.hero{gap:24px}h1{font-size:36px}.hero>div>p{font-size:17px}.journey h2{font-size:20px}.steps article{padding:14px 10px}.steps h3{font-size:15px}.steps p{font-size:12px}.actions{gap:18px;font-size:14px}.lessons,.code-layout{gap:35px}.path{padding:22px}.path h3{font-size:19px}.path p{font-size:15px;min-height:80px}}@media(max-width:760px){.container{width:calc(100% - 36px)}.header{min-height:80px;flex-wrap:wrap;gap:16px}.brand{font-size:29px}.menu{display:block;margin-left:auto;border:1px solid var(--border);background:#fff;border-radius:4px;color:var(--navy);padding:5px 12px;font-size:14px}.search-link{padding:8px}.header nav{display:none;order:4;width:100%;padding:10px 0 20px;margin:0;flex-direction:column;gap:15px}.header nav.open{display:flex}nav a{font-size:15px}.hero{grid-template-columns:1fr;padding-top:30px;padding-bottom:50px;gap:35px}h1{font-size:35px;letter-spacing:-1px}.hero>div>p{font-size:17px;margin:18px 0 25px}.desktop{display:none}.actions{gap:20px}.button{padding:12px 17px;gap:12px}.journey{padding:24px 15px}.journey h2{font-size:20px}.steps{gap:8px;margin-top:22px}.steps b{width:44px;height:44px;font-size:18px}.steps>div:not(:last-child):after{top:22px;left:calc(50% + 27px);width:calc(100% - 45px)}.steps article{min-height:165px;padding:13px 9px}.steps h3{font-size:14px}.steps p{font-size:12px}.paths{padding-bottom:45px}h2{font-size:27px}.intro{font-size:16px}.path-grid{grid-template-columns:1fr;gap:15px;margin-top:23px}.path{padding:22px;position:relative}.path-top{margin-bottom:10px}.path-top b{font-size:23px}.icon{width:48px;height:48px;font-size:28px}.code-icon{font-size:21px}.path p{min-height:0;margin:10px 0 20px}.lessons,.code-layout{grid-template-columns:1fr;gap:28px}.lessons{padding-bottom:42px}.lesson-heading h2 br{display:none}.lesson-heading>p{margin-top:12px;font-size:16px}.lesson-heading .notice{margin-bottom:18px}.library{min-width:0}.article-row{gap:13px;padding:18px 0}.article-number{width:43px;height:43px;font-size:17px}.article-row h3{font-size:16px}.article-row p{font-size:12px}.code-band{padding:35px 0}.code-layout h2{font-size:30px}.code-layout p{font-size:16px}pre{font-size:11px;padding:20px 13px}.code-bar{padding:10px 12px;font-size:11px}.code-bar button{font-size:11px}.footer{flex-direction:column;padding-top:28px;padding-bottom:25px;gap:15px}dialog{padding:32px 24px}dialog h2{font-size:23px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.hero h1{font-size:70px;letter-spacing:-3px;line-height:1.2}@media(max-width:1100px){.hero h1{font-size:58px}}@media(max-width:760px){.hero h1{font-size:49px;letter-spacing:-2px}}

.icon svg{width:32px;height:32px;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.direction-icon{display:inline-block;width:18px;height:18px;vertical-align:middle;flex-shrink:0}
/* Reading surfaces reuse the homepage palette, type, borders and controls. */
.header>.brand{white-space:nowrap}.row-direction{margin-left:auto;color:var(--teal)}.breadcrumb{display:flex;gap:12px;flex-wrap:wrap;align-items:center;font-size:13px;color:var(--muted);padding-top:26px;padding-bottom:22px}.breadcrumb a:hover{color:var(--teal)}.article-header{max-width:1100px;margin-top:12px;margin-bottom:42px}.article-header h1{font-size:42px;line-height:1.4;letter-spacing:-1px;max-width:960px;margin:12px 0 20px}.article-meta{color:var(--teal);font-size:14px;font-weight:500}.article-lead{font-size:20px;line-height:1.85;color:var(--muted);max-width:900px}.review-note{background:#eef8f5;border-left:3px solid #7acbb9;padding:16px 20px;margin-top:24px;color:var(--muted);font-size:13px;line-height:1.9}.review-note strong{color:var(--navy)}.reading-layout{display:grid;grid-template-columns:230px minmax(0,800px);gap:65px;justify-content:center;align-items:start;padding-bottom:65px}.toc{position:sticky;top:24px;display:flex;flex-direction:column;gap:9px;border-top:1px solid var(--border);padding-top:20px}.toc h2{font-size:17px;letter-spacing:0;margin-bottom:8px}.toc a{font-size:13px;line-height:1.7;padding:4px 0;color:var(--muted)}.toc a:hover{color:var(--teal)}.toc .toc-path{margin-top:10px;padding-top:14px;border-top:1px solid var(--border);color:var(--teal);font-weight:600}.lesson-body{min-width:0;font-size:17px;line-height:1.95}.lesson-body section{margin-bottom:38px;scroll-margin-top:30px}.lesson-body h2{font-size:26px;margin-bottom:16px;letter-spacing:-.4px}.lesson-body p{margin-bottom:16px}.lesson-body ol,.lesson-body ul{padding-left:26px;margin:14px 0 24px}.lesson-body li{padding-left:5px;margin-bottom:12px}.lesson-body strong{font-weight:600}.lesson-body dt{font-weight:600;margin:20px 0 5px}.lesson-body dd{margin:0 0 18px;color:var(--muted)}.lesson-body table{border-collapse:collapse;width:100%;font-size:15px;margin-bottom:22px}.lesson-body td,.lesson-body th{text-align:left;border-bottom:1px solid var(--border);padding:11px 14px}.lesson-body th{background:#eef8f5;font-weight:600}.source-list a,.code-readme a:not(.text-link){color:var(--teal);text-decoration:underline;text-underline-offset:3px}.source-list{overflow-wrap:anywhere}.lesson-pagination{display:grid;grid-template-columns:1fr 1fr;gap:24px;border-top:1px solid var(--border);padding-top:25px;margin:42px 0 0}.lesson-pagination a{font-size:15px;font-weight:500;color:var(--teal);white-space:normal;line-height:1.7}.lesson-pagination small{display:block;color:var(--muted);font-size:12px;font-weight:400;margin-bottom:6px}.article-code{background:#0c2031;border:1px solid #395367;border-radius:6px;overflow:hidden;margin:22px 0}.article-code pre{max-height:490px;overflow:auto;font-size:13px;line-height:1.8;tab-size:4}.article-code .code-bar{gap:12px}.article-code .code-bar span{overflow-wrap:anywhere;min-width:0}.article-code button{flex-shrink:0}.path-hero{display:grid;grid-template-columns:1fr .8fr;gap:75px;padding-top:20px;padding-bottom:60px;align-items:center}.path-hero h1{font-size:44px;letter-spacing:-1px;line-height:1.35;margin:10px 0 22px}.path-hero>div>p:not(.article-meta){font-size:19px;color:var(--muted);margin-bottom:25px}.path-explainer{background:#e7f7f3;border-radius:8px;padding:30px}.path-explainer h2{font-size:24px;margin-bottom:16px}.path-explainer p{font-size:15px!important;line-height:1.9}.path-explainer p:last-child{margin-bottom:0!important}.curriculum{display:grid;grid-template-columns:.55fr 1fr;gap:75px;padding-bottom:45px}.curriculum-title h2{font-size:30px}.curriculum-title p{margin-top:15px;color:var(--muted)}.path-switch{display:flex;gap:30px;align-items:center;flex-wrap:wrap;padding-top:20px;padding-bottom:65px}.path-switch h2{font-size:22px}.code-hero{display:flex;gap:30px;justify-content:space-between;align-items:center;padding-top:20px;padding-bottom:45px}.code-hero h1{font-size:42px;line-height:1.4;margin-bottom:20px;letter-spacing:-.8px}.code-hero p{font-size:19px;color:var(--muted)}.code-hero>.button{flex-shrink:0}.code-library{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px;align-items:start;padding-bottom:60px}.code-readme{position:sticky;top:24px}.code-readme h2{font-size:25px;margin-bottom:15px}.code-readme p,.code-readme li{font-size:15px;margin-bottom:14px}.code-readme ol{padding-left:22px}.code-example{min-width:0;margin-bottom:45px}.code-library>div{min-width:0}.code-example h2{font-size:23px;letter-spacing:-.4px;overflow-wrap:anywhere;margin:10px 0 15px}.code-example>p:not(.article-meta){color:var(--muted)}.code-example .text-link{font-size:13px;overflow-wrap:anywhere}.code-readme .review-note{font-size:13px;margin-bottom:23px}
@media(max-width:1100px){.reading-layout{grid-template-columns:190px minmax(0,1fr);gap:35px}.article-header h1{font-size:37px}.path-hero,.curriculum{gap:35px}.code-library{gap:30px}.code-hero h1{font-size:36px}.code-hero .button{font-size:14px}.code-example h2{font-size:20px}.article-code pre{font-size:12px}}@media(max-width:760px){.breadcrumb{padding-top:18px;padding-bottom:18px;font-size:12px;gap:9px}.article-header{margin-top:10px;margin-bottom:26px}.article-header h1{font-size:30px;letter-spacing:-.6px;margin:10px 0 18px}.article-meta{font-size:12px}.article-lead{font-size:17px}.review-note{padding:13px 15px;font-size:12px;margin-top:20px}.reading-layout{grid-template-columns:minmax(0,1fr);gap:25px;padding-bottom:40px}.toc{position:static;display:flex;flex-direction:row;overflow-x:auto;gap:18px;padding:12px 0 16px;align-items:center;max-width:100%;border-bottom:1px solid var(--border)}.toc h2{font-size:14px;flex-shrink:0;margin:0}.toc a{white-space:nowrap;font-size:12px;flex-shrink:0}.toc .toc-path{margin:0;border:0;padding:4px 0}.lesson-body{font-size:16px;line-height:1.95}.lesson-body h2{font-size:23px;line-height:1.6;margin-bottom:14px}.lesson-body section{margin-bottom:30px}.lesson-body ol,.lesson-body ul{padding-left:23px}.lesson-pagination{gap:18px;margin-top:30px}.lesson-pagination a{font-size:13px}.lesson-body td,.lesson-body th{font-size:12px;padding:9px 7px}.article-code pre{font-size:11px;max-height:380px;white-space:pre}.article-code .code-bar{font-size:11px}.path-hero,.curriculum,.code-library{grid-template-columns:minmax(0,1fr);gap:28px}.path-hero{padding-top:10px;padding-bottom:38px}.path-hero h1{font-size:36px}.path-hero>div>p:not(.article-meta){font-size:17px}.path-explainer{padding:22px}.path-explainer h2{font-size:22px}.curriculum-title h2{font-size:26px}.curriculum-title p{margin-top:10px;font-size:15px}.path-switch{gap:18px;padding-bottom:40px}.path-switch h2{width:100%}.path-switch a{font-size:14px}.code-hero{display:block;padding-top:10px;padding-bottom:30px}.code-hero h1{font-size:31px}.code-hero p{font-size:17px}.code-hero>.button{margin-top:22px}.code-readme{position:static}.code-example h2{font-size:20px}.code-library{padding-bottom:25px}.code-example{margin-bottom:32px}.code-example .text-link{display:inline;word-break:break-word}.path{display:block}.footer{border-top:1px solid var(--border)}}
.footer{flex-wrap:wrap}.footer-stats{width:100%;flex-basis:100%;border-top:1px solid var(--border);padding-top:13px;margin-top:4px}.footer-stats [data-site-stats]{color:var(--navy);font-size:12px;font-weight:500;line-height:1.8}.footer-stats .stats-explanation{font-size:11px;line-height:1.9;margin-top:5px;max-width:760px}.footer-stats [data-state=unavailable]{color:var(--muted);font-weight:400}@media(max-width:760px){.footer-stats{margin-top:2px}.footer-stats [data-site-stats]{font-size:12px}}
.latest-update{display:flex;gap:28px;align-items:center;border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:23px 0;margin-bottom:55px}.latest-update h2{font-size:20px;letter-spacing:0}.latest-update p{font-size:12px;color:var(--muted);margin-top:6px}.latest-update>a:not(.text-link){flex:1;min-width:0}.latest-update strong{font-size:20px;display:block}.latest-update span{font-size:14px;display:block;color:var(--muted);margin-top:6px}.latest-update .text-link{font-size:13px}.latest-update a:hover strong{color:var(--teal)}.news-index{max-width:1100px;padding-bottom:65px}.news-index .article-row h2{font-size:24px;letter-spacing:-.3px}.news-number{font-size:11px}.article-return{border-top:1px solid var(--border);margin-top:35px;padding-top:25px;display:flex;gap:24px;flex-wrap:wrap}.article-return p{width:100%;color:var(--muted)}.article-return a{font-size:14px}.table-scroll{max-width:100%;overflow-x:auto}.lesson-body p>code{font-size:.9em;background:#edf4f2;border-radius:3px;padding:2px 5px;overflow-wrap:anywhere}@media(max-width:760px){.latest-update{display:block;padding:20px 0;margin-bottom:35px}.latest-update>a{display:block;margin-top:18px}.latest-update strong{font-size:19px;line-height:1.65}.latest-update span{font-size:13px}.news-index .article-row h2{font-size:18px;line-height:1.7}.news-index .article-number{font-size:10px}.article-return{gap:18px}.article-header h1{overflow-wrap:break-word}}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;padding-bottom:70px}.contact-card{border:1px solid var(--border);border-radius:12px;padding:32px;min-width:0}.contact-label{font-size:12px;letter-spacing:1px;color:var(--teal);font-weight:600}.contact-card h2{font-size:26px;margin:14px 0 12px}.contact-card p{color:var(--muted);margin-bottom:16px}.contact-address{display:block;font-size:26px;color:var(--teal);font-weight:600;overflow-wrap:anywhere;margin:24px 0}.contact-line{background:#f2faf7}.contact-line figure{margin:20px auto 0;width:240px;max-width:100%;text-align:center}.contact-line img{width:100%;height:auto;display:block;border-radius:8px}.contact-line figcaption{font-size:12px;color:var(--muted);margin-top:10px}@media(min-width:761px){.header{gap:24px}nav{gap:18px}.search-link span{display:none}}@media(max-width:760px){.contact-grid{grid-template-columns:minmax(0,1fr);gap:20px;padding-bottom:45px}.contact-card{padding:24px}.contact-card h2{font-size:24px}.contact-address{font-size:24px}}

.services{padding:42px 0 64px;border-top:1px solid var(--border)}.service-heading{display:grid;grid-template-columns:1.15fr 1fr;gap:55px;align-items:center}.service-eyebrow{font-size:12px;letter-spacing:1.2px;color:var(--teal);font-weight:600;margin-bottom:12px}.service-heading h2{font-size:30px}.service-heading>p,.service-grid p{color:var(--muted)}.service-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin:32px 0}.service-grid article{border-top:2px solid #b8e3da;padding-top:20px}.service-grid article>span{color:var(--teal);font-size:13px}.service-grid h3{font-size:19px;margin:10px 0}.service-grid p{font-size:14px}.service-cta{background:#e7f7f3;border-radius:9px;padding:24px;display:flex;justify-content:space-between;align-items:center;gap:24px}.service-cta small{color:var(--muted);font-size:13px}.contact-scope{padding:0 0 32px;max-width:1000px}.contact-scope h2{font-size:23px;margin-bottom:12px}.contact-scope p{color:var(--muted);margin-top:10px}@media(max-width:1000px){.service-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:760px){.service-heading{grid-template-columns:1fr;gap:20px}.service-heading h2{font-size:26px}.service-grid{grid-template-columns:1fr;gap:20px}.service-cta{align-items:flex-start;flex-direction:column;padding:22px}.services{padding:30px 0 40px}.contact-scope h2{font-size:21px}}

.learning-visual{margin:0;background:#f1f8f7;border:1px solid #d5e8e3;border-radius:14px;padding:28px}.visual-kicker{font-size:12px;font-weight:600;color:var(--teal);letter-spacing:.7px}.learning-visual figcaption h3{font-size:24px;line-height:1.55;margin:8px 0}.learning-visual figcaption p{font-size:14px;color:var(--muted)}.lesson-body .visual-steps{list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding:0;margin:26px 0}.visual-steps li{position:relative;background:white;border:1px solid #d5e8e3;border-radius:9px;padding:20px;margin:0;min-width:0}.visual-number{display:flex;width:32px;height:32px;align-items:center;justify-content:center;background:#dff3ee;color:var(--teal);border-radius:50%;font-size:12px;font-weight:700;margin-bottom:12px}.visual-steps strong{display:block;font-size:17px;line-height:1.6}.lesson-body .visual-steps p{font-size:14px;line-height:1.8;color:var(--muted);margin:7px 0 0}.visual-arrow{position:absolute;right:-19px;top:50%;font-size:22px;color:var(--teal);line-height:1}.visual-steps li:nth-child(2) .visual-arrow{right:50%;top:auto;bottom:-25px;transform:rotate(90deg)}.visual-steps li:nth-child(3){grid-column:2;grid-row:2}.visual-steps li:nth-child(4){grid-column:1;grid-row:2}.visual-steps li:nth-child(3) .visual-arrow{right:auto;left:-19px;transform:rotate(180deg)}.lesson-body .visual-cards{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.visual-cards li:nth-child(3){grid-column:auto;grid-row:auto}.lesson-body .visual-takeaway{font-size:14px;line-height:1.85;border-top:1px solid #c8dfd8;padding-top:18px;margin:0}.visual-takeaway strong{display:block;color:var(--teal);margin-bottom:4px}@media(max-width:760px){.learning-visual{padding:20px}.learning-visual figcaption h3{font-size:21px}.lesson-body .visual-steps,.lesson-body .visual-cards{grid-template-columns:minmax(0,1fr);gap:24px}.visual-steps li:nth-child(n){grid-column:auto;grid-row:auto}.visual-steps li:nth-child(n) .visual-arrow{left:50%;right:auto;top:auto;bottom:-25px;transform:rotate(90deg)}}

.dev-architecture{display:grid;gap:8px;text-align:center;background:#f1f8f7;border:1px solid #d5e8e3;border-radius:12px;padding:24px;margin:24px 0}.dev-architecture div{padding:14px;background:white;border:1px solid #d5e8e3;border-radius:8px}.dev-architecture b,.dev-architecture span{display:block}.dev-architecture div span{font-size:14px;color:var(--muted)}.lesson-body .code-bar{gap:15px}.lesson-body .code-bar span{overflow-wrap:anywhere;min-width:0}.lesson-body .code-bar button{flex-shrink:0}