:root{--forest:#174b3b;--forest-dark:#0c362c;--ink:#122e29;--muted:#66766f;--mint:#eef5ed;--line:#dce6e0;--white:#fff;--danger:#aa3838;--radius:12px;font-family:Inter,'Noto Sans Lao','Noto Sans',system-ui,-apple-system,BlinkMacSystemFont,'Segoe 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#80b887}img{max-width:100%;display:block}svg{flex-shrink:0;vertical-align:middle}button{border:0}strong{font-weight:650}small,.small-text{font-size:13px;line-height:1.6}.muted{color:var(--muted)}.lead{font-size:19px;line-height:1.8}.wrap{width:min(1328px,calc(100% - 96px));margin:auto}.brand{display:inline-flex;align-items:center;gap:10px;font-size:30px;font-weight:750;letter-spacing:-1px;color:var(--forest-dark);white-space:nowrap}.brand .icon{width:46px;height:46px;stroke-width:1.5}.brand.small{font-size:25px}.brand.small .icon{width:38px;height:38px}.public-header{min-height:96px;display:flex;align-items:center;justify-content:space-between;gap:24px}.desktop-nav{display:flex;align-items:center;gap:34px}.desktop-nav a{position:relative;padding:12px 0;font-size:14px;font-weight:500}.desktop-nav a:hover,.desktop-nav a.active{color:var(--forest)}.desktop-nav a.active:after{content:'';position:absolute;bottom:0;height:2px;background:var(--forest);left:0;right:0}.header-tools{display:flex;align-items:center;gap:24px}.language-form{display:flex;align-items:center;gap:7px;white-space:nowrap}.language-form .icon{width:20px;height:20px}.language-form select{width:auto;max-width:138px;background:transparent;border:0;padding:7px 18px 7px 2px;color:var(--ink);font-size:14px;cursor:pointer}.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;background:var(--forest);color:#fff;border:1px solid var(--forest);padding:14px 24px;min-height:48px;border-radius:9px;font-size:15px;font-weight:600;line-height:1.4;text-align:center;transition:background .18s,transform .18s}.button:hover{background:var(--forest-dark);border-color:var(--forest-dark);transform:translateY(-1px)}.button.compact{padding:10px 21px;min-height:42px;font-size:14px}.button.secondary{background:#fff;color:var(--forest);border-color:var(--line)}.button.secondary:hover{background:var(--mint);border-color:var(--forest)}.button.full{width:100%}.text-link{display:inline-flex;align-items:center;gap:14px;font-weight:550;color:var(--forest);font-size:14px}.text-link:hover{text-decoration:underline}.text-button{display:inline-flex;align-items:center;gap:8px;padding:0;background:none;color:var(--forest);font-size:14px;min-height:36px}.text-button:hover{text-decoration:underline}.danger{color:var(--danger)}.icon-button{display:inline-flex;justify-content:center;align-items:center;width:42px;height:42px;background:none;color:var(--ink);border-radius:8px}.icon-button:hover{background:var(--mint)}.hero{display:grid;grid-template-columns:1fr 1.04fr;gap:44px;align-items:center;padding:26px 0 34px}.hero-copy{padding-right:0}.hero h1{font-size:58px;line-height:1.09;letter-spacing:-2.5px;margin:0 0 25px;font-weight:760;color:var(--forest-dark)}.hero p{font-size:21px;line-height:1.65;color:#596762;margin-bottom:34px;max-width:565px}.hero-actions{display:flex;align-items:center;gap:34px}.hero-actions .text-link{font-size:16px}.hero-actions .button{padding:16px 29px}.hero-media{overflow:hidden;border-radius:14px;aspect-ratio:1.44}.hero-media img{width:100%;height:100%;object-fit:cover;object-position:50% 45%}.benefits{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);padding:24px 0}.benefits>div{display:flex;align-items:center;justify-content:center;gap:20px;position:relative}.benefits>div+div:before{content:'';position:absolute;left:0;width:1px;height:40px;background:var(--line)}.benefits>div>span{width:56px;height:56px;display:grid;place-items:center;border-radius:50%;background:#e8f2e9}.benefits .icon{width:27px;height:27px;color:var(--forest)}.benefits strong{font-size:16px}.catalog{padding:32px 0 64px}.catalog-full{padding-top:48px;min-height:70vh}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:25px}.section-heading h2{margin:0;font-size:39px;letter-spacing:-1.4px}.catalog-filters{display:flex;align-items:center;gap:28px;margin-bottom:26px}.search-input{display:flex;align-items:center;gap:14px;background:#f3f6f5;border-radius:10px;flex:1;min-width:0;padding:0 13px;min-height:51px}.search-input>input{width:100%;border:0;background:transparent;padding:12px 0;font-size:14px;min-width:0;outline:none}.search-input .icon{width:21px;height:21px}.category-tabs{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.category-tabs button{background:transparent;color:var(--ink);padding:13px 18px;min-height:46px;border-radius:9px;font-size:13px;white-space:nowrap}.category-tabs button.selected{background:#eaf3ed;color:var(--forest);font-weight:600}.category-tabs 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0}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}.footer-inner p{font-size:13px;color:var(--muted);margin:5px 0 0}.footer-inner nav{display:flex;align-items:center;gap:25px;font-size:13px}.footer-inner nav a:hover{text-decoration:underline}.mobile-nav{display:none}.notice{border:1px solid #ccdfd0;background:#edf6ee;color:#28543d;border-radius:9px;padding:14px 18px;font-size:14px;margin:0 0 24px;overflow-wrap:anywhere}.public-site #main>.notice{max-width:1200px;margin:10px auto}.notice.error{color:#8d3030;background:#fff1ef;border-color:#efd0cd}.text-page{max-width:920px;padding-top:55px;padding-bottom:80px;min-height:65vh}.text-page h1{font-size:48px;margin-bottom:32px}.text-page .lead{line-height:1.9}.about-image{width:100%;aspect-ratio:2;object-fit:cover;border-radius:14px;margin:30px 0}.contact-block{border-top:1px solid var(--line);padding-top:30px;margin-top:45px}.contact-block a{text-decoration:underline}.help-steps{line-height:2.5;font-size:18px}.help-steps a{color:var(--forest);text-decoration:underline}.announcement{border-bottom:1px solid var(--line);padding:25px 0}.announcement time,.announcement small{color:var(--muted)}.announcement h2{margin-top:12px}.announcement p{white-space:normal;line-height:1.85}.course-detail{padding-top:35px;padding-bottom:70px;min-height:70vh}.course-detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:60px;margin-top:35px}.course-detail h1{font-size:48px;line-height:1.25;margin:15px 0 20px}.course-facts{display:flex;gap:24px;flex-wrap:wrap;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;margin:30px 0 38px;font-size:14px}.course-facts>span{display:flex;gap:8px;align-items:center}.lesson-list{padding:0;list-style:none;counter-reset:lessons}.lesson-list li{counter-increment:lessons;display:flex;align-items:center;gap:16px;border-bottom:1px solid var(--line);padding:19px 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p{color:#d5e5dc;line-height:1.85;font-size:16px}.auth-story>p{font-size:13px;margin:50px 0 0}.auth-form-area{padding:48px 52px;align-self:center}.auth-form-area h2{font-size:33px;margin-bottom:16px}.auth-small{display:block;text-align:center;font-size:14px;margin:23px 0}.auth-small a{text-decoration:underline;color:var(--forest);font-weight:600}.stack-form{display:flex;flex-direction:column;gap:19px}.field{display:flex;flex-direction:column;gap:8px;font-size:14px;font-weight:550;min-width:0}.field input,.field textarea,.field select,input,select,textarea{color:var(--ink);background:#fff;border:1px solid #cfdbd3;border-radius:8px;padding:11px 13px;min-height:44px;max-width:100%;font-size:14px;font-weight:400}textarea{resize:vertical;width:100%;line-height:1.7}input::placeholder{color:#7b8782}.field>span{line-height:1.6}fieldset{border:1px solid var(--line);border-radius:10px;padding:20px;margin:15px 0;min-width:0}legend{padding:0 8px;font-weight:600}.workspace-body{background:#eef5ef}.sidebar{position:fixed;inset:0 auto 0 0;width:232px;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;z-index:30;padding:22px 14px 15px;overflow-y:auto}.sidebar>.brand{font-size:27px;margin:2px 9px 30px;gap:9px}.sidebar>.brand .icon{width:43px;height:43px}.sidebar nav{display:flex;flex-direction:column;gap:3px}.sidebar nav>a{display:flex;align-items:center;gap:15px;padding:11px 14px;min-height:44px;font-size:14px;border-radius:8px;color:#294039}.sidebar nav>a .icon{width:21px;height:21px}.sidebar nav>a:hover{background:#f2f7f3}.sidebar nav>a.active{background:#dff0e5;color:var(--forest-dark);font-weight:650}.sidebar-bottom{border-top:1px solid var(--line);padding:16px 9px 0;margin-top:30px}.sidebar-bottom strong{color:var(--forest)}.sidebar-bottom p{color:var(--muted);font-size:11px;margin:3px 0 8px}.workspace-main{margin-left:232px;min-height:100vh;padding:10px 24px 40px}.workspace-header{background:#fff;border:1px solid var(--line);border-radius:10px;min-height:64px;display:flex;justify-content:space-between;align-items:center;padding:10px 20px;gap:20px}.breadcrumb{display:flex;align-items:center;gap:16px;font-size:13px}.breadcrumb>span:first-of-type{color:#91a498}.user-menu{display:flex;align-items:center;gap:10px;font-size:13px;border-left:1px solid var(--line);padding-left:20px}.user-menu>span:last-child{max-width:160px;text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.avatar{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--forest);color:#fff;font-weight:600}.workspace-content{padding:25px 6px 0;max-width:1500px;margin:auto}.page-heading{margin-bottom:27px}.page-heading h1{font-size:37px;margin:0 0 8px;letter-spacing:-1.3px}.page-heading p{font-size:17px;color:#557468;margin:0}.page-heading>.text-link{margin-bottom:18px}.heading-with-action{display:flex;align-items:center;justify-content:space-between;gap:20px}.heading-with-action h1{margin:0}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:20px}.stat{background:#fff;border:1px solid #d1e1d7;border-radius:9px;display:flex;align-items:center;gap:18px;padding:23px 19px;min-width:0}.stat-icon{width:56px;height:56px;background:#e9f4ed;border-radius:8px;display:grid;place-items:center}.stat-icon .icon{width:29px;height:29px;color:var(--forest)}.stat>div>span{font-size:13px}.stat strong{display:block;font-size:28px;line-height:1.2;margin-top:7px}.dashboard-columns{display:grid;grid-template-columns:1.5fr 1fr;gap:18px}.panel{padding:24px;background:#fff;border:1px solid #d4e2d9;border-radius:10px;margin-bottom:20px;min-width:0}.panel h2{font-size:21px;margin-bottom:20px;display:flex;align-items:center;gap:11px;letter-spacing:-.55px}.panel .section-heading{margin-bottom:18px}.panel .section-heading h2{font-size:20px;margin:0}.empty-state{display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;padding:45px 20px;color:var(--muted)}.empty-state>.icon{width:46px;height:46px;color:#719483;stroke-width:1.3;margin-bottom:16px}.empty-state h3{font-size:18px;color:var(--ink);margin-bottom:10px;line-height:1.4}.empty-state p{max-width:410px;margin:0 0 20px;font-size:14px;line-height:1.65}.empty-state.spacious{min-height:270px}.empty-state.spacious>.icon{width:60px;height:60px}.empty-state.compact-empty{padding:18px}.empty-state.compact-empty>.icon{width:26px;height:26px;margin-bottom:10px}.empty-state.compact-empty p{margin:0}.table-scroll{width:100%;overflow-x:auto;border-radius:8px;border:1px solid #e0e7e2;margin-bottom:16px}table{border-collapse:collapse;width:100%;text-align:left;font-size:13px}th{background:#f7f9f8;color:#31483d;font-weight:600;padding:13px 16px;white-space:nowrap}td{padding:15px 16px;vertical-align:middle;border-top:1px solid #e5eae6;overflow-wrap:anywhere}tr:hover td{background:#fcfdfc}td .empty-state{min-width:200px}td input,td select{min-width:115px;width:100%}.quick-actions{display:flex;align-items:center;gap:28px;flex-wrap:wrap;padding-top:19px;padding-bottom:19px}.quick-actions h2{margin:0 auto 0 0}.quick-actions a{display:flex;align-items:center;gap:10px;color:var(--forest);text-decoration:underline;font-size:13px}.row-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px 15px;min-width:120px}.row-actions>a{font-size:12px;color:var(--forest);text-decoration:underline;white-space:nowrap}.row-actions .text-button{font-size:12px}.row-details{font-size:12px;margin:5px 0}.row-details .stack-form{min-width:160px;margin-top:12px;gap:10px}.status-pill{display:inline-block;border-radius:5px;background:var(--mint);color:var(--forest);padding:3px 9px;font-size:12px}.pagination{display:flex;justify-content:center;align-items:center;gap:25px}.editor-form{max-width:1040px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.form-grid>.field{align-self:start}.span-full{grid-column:1/-1}.form-actions{display:flex;gap:14px;padding-top:28px;margin-top:25px;border-top:1px solid var(--line)}.translation-section{margin-top:28px;border-top:1px solid var(--line);padding-top:22px}.translation-section fieldset .field+.field{margin-top:14px}summary{cursor:pointer;font-weight:550;color:var(--forest);padding:8px 0}.inline-form{display:flex;align-items:flex-end;gap:20px;flex-wrap:wrap}.inline-form>.field{min-width:230px;flex:1}.inline-form>.button{min-height:46px}.learning-row{display:flex;align-items:center;gap:16px;padding:17px 0;border-bottom:1px solid var(--line)}.learning-row:last-child{border:0}.learning-row img{width:85px;height:66px;object-fit:cover;border-radius:7px}.learning-row>div{flex:1}.learning-row h3{font-size:15px;line-height:1.5;margin:0 0 9px}.learning-row small{display:block;font-size:11px;color:var(--muted)}progress{width:100%;height:7px;border:0;border-radius:8px;background:#e8efe9;display:block;overflow:hidden;color:var(--forest)}progress::-webkit-progress-bar{background:#e8efe9}progress::-webkit-progress-value{background:var(--forest);border-radius:8px}progress::-moz-progress-bar{background:var(--forest);border-radius:8px}.compact-announcement{padding:14px 0}.compact-announcement h3{font-size:16px;margin:8px 0;line-height:1.5}.compact-announcement p{font-size:13px;margin:0;color:var(--muted)}.learning-card>img{aspect-ratio:1.65;width:100%;object-fit:cover;border-radius:7px;margin-bottom:20px}.learning-card h2{font-size:20px;line-height:1.5}.learning-card p{font-size:13px;color:var(--muted);margin:10px 0 18px}.lesson-layout{display:grid;grid-template-columns:285px minmax(0,1fr);gap:20px}.lesson-nav{padding:22px 18px;align-self:start}.lesson-nav ol{list-style:none;padding:0;margin:20px -10px}.lesson-nav ol a{display:flex;align-items:center;gap:10px;padding:13px 10px;border-radius:7px;font-size:13px;line-height:1.6}.lesson-nav ol a:hover,.lesson-nav ol a.active{background:var(--mint);color:var(--forest)}.lesson-number{display:grid;place-items:center;background:#f2f5f3;width:27px;height:27px;flex-shrink:0;border-radius:50%;font-size:11px}.lesson-number .icon{width:16px;height:16px}.lesson-resources{border-top:1px solid var(--line);padding-top:20px}.lesson-resources h3{font-size:14px;margin:16px 0 10px}.lesson-resources>a{display:flex;align-items:center;gap:10px;font-size:12px;padding:9px 0}.lesson-resources small{display:block;font-size:11px;color:var(--muted)}.lesson-content{padding:35px}.lesson-content h2{font-size:28px;line-height:1.5}.lesson-text{font-size:16px;line-height:1.9;color:#3b4e44;margin:25px 0 35px;overflow-wrap:anywhere}.video-player{width:100%;aspect-ratio:16/9;border:0;border-radius:9px;background:#112d24}.certificate-callout{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.certificate-callout>.icon{width:34px;height:34px;color:var(--forest)}.certificate-callout>div{flex:1;min-width:180px}.certificate-callout h3{margin:0 0 8px}.certificate-callout p{font-size:12px;margin:0;color:var(--muted)}.certificate-callout .button{font-size:12px;padding:11px 15px}.quiz-form{max-width:900px}.quiz-form fieldset{padding:20px;margin:10px 0 30px}.quiz-form legend{font-size:17px;line-height:1.7}.answer-option{display:flex;align-items:center;gap:12px;border:1px solid var(--line);padding:13px 17px;border-radius:8px;margin-bottom:11px;font-size:15px;cursor:pointer}.answer-option:has(input:checked){background:var(--mint);border-color:var(--forest)}input[type=radio]{min-height:0;width:18px;height:18px;accent-color:var(--forest)}.submission-card h2{margin-bottom:8px}.grade-form{display:grid;grid-template-columns:120px 1fr auto;gap:20px;align-items:end;margin-top:20px}.certificate{max-width:1000px;margin:auto;background:#fff;border:8px double #46765a;padding:50px;text-align:center;position:relative}.certificate-brand{display:flex;justify-content:center;gap:10px;align-items:center;font-size:25px;color:var(--forest)}.certificate-brand .icon{height:43px;width:43px}.certificate-kicker{font-size:12px;letter-spacing:6px;color:var(--muted);margin:24px 0}.certificate h1{font-size:35px;line-height:1.5}.certificate h2{font-size:37px;font-weight:500;margin:45px 0 20px;border-bottom:1px solid var(--line);padding-bottom:20px}.certificate h3{font-size:25px;line-height:1.6}.certificate-seal{display:grid;place-items:center;width:90px;height:90px;border-radius:50%;border:1px solid #a8bc88;background:#f4f7e9;margin:35px auto}.certificate-seal .icon{width:53px;height:53px;color:var(--forest);stroke-width:1.2}.certificate-details{display:flex;justify-content:space-between;gap:25px;font-size:11px;color:var(--muted)}.certificate-details strong{color:var(--ink);font-size:12px;overflow-wrap:anywhere}.error-page{max-width:700px;margin:12vh auto;padding:35px}.error-page h1{font-size:85px;margin:40px 0 20px}.mobile-menu-button,.menu-backdrop{display:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:-100px;left:20px;background:var(--forest);color:white;z-index:100;padding:12px}.skip-link:focus{top:10px}html[lang=lo]{font-family:'Noto Sans Lao',Inter,sans-serif}html[lang=lo] h1,html[lang=lo] h2,html[lang=lo] h3{letter-spacing:0;line-height:1.55}html[lang=lo] .hero h1{font-size:47px;line-height:1.55;margin-bottom:18px}html[lang=lo] .hero p{font-size:19px;line-height:1.9}html[lang=lo] .section-heading h2{font-size:32px}html[lang=lo] .page-heading h1{font-size:31px}html[lang=lo] .course-card h3{font-size:19px;line-height:1.8}html[lang=lo] .sidebar nav>a{padding-top:9px;padding-bottom:9px;font-size:13px}html[lang=lo] .brand{font-family:Inter,'Noto Sans Lao',sans-serif}html[lang=zh]{font-family:Inter,'Noto Sans SC','Noto Sans CJK SC',sans-serif}html[lang=ja]{font-family:Inter,'Noto Sans JP','Noto Sans CJK JP',sans-serif}html[lang=ko]{font-family:Inter,'Noto Sans KR','Noto Sans CJK KR',sans-serif}
@media(min-width:1600px){.workspace-content{padding-top:35px}.hero{gap:55px}.hero h1{font-size:62px}}
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@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.sidebar,.workspace-header,.no-print,.notice,.skip-link{display:none!important}.workspace-main{margin:0;padding:0}.workspace-content{padding:0}.workspace-body{background:#fff}.certificate{width:100%;max-width:none;break-inside:avoid;margin:0;padding:40px}.certificate h1{font-size:32px}.certificate h2{font-size:40px}.certificate-details{flex-direction:row}a{color:inherit}@page{size:A4 landscape;margin:15mm}}
@media(min-width:1251px){.catalog-filters .search-input{flex:0 1 46%}.catalog-filters .category-tabs{flex:1;justify-content:space-between}.catalog-filters .category-tabs button{padding-left:16px;padding-right:16px}}
@media(min-width:1051px){.public-site .wrap{width:min(1328px,calc(100% - 96px))}.public-header{min-height:80px}.hero{padding-top:0;grid-template-columns:.93fr 1.07fr;gap:28px}.hero-media{aspect-ratio:1.47}.hero h1{font-size:56px}.hero p{font-size:20px;max-width:550px}.catalog-filters .search-input{flex:0 1 46%}.catalog-filters .category-tabs{flex:1;justify-content:space-between}.catalog-filters .category-tabs button{padding-left:12px;padding-right:12px}}
@media(min-width:1400px){.hero h1{font-size:60px}}
html[lang=lo] .workspace-body .panel .section-heading h2{font-size:21px}
@media(max-width:580px){html[lang=lo] .workspace-body .panel .section-heading h2{font-size:19px}}