:root{--ink:#172f2a;--muted:#5d6b65;--green:#1e5748;--lime:#d9eb91;--paper:#fafaf5;--line:#dfe5da;--serif:Georgia,'Times New Roman',serif;--sans:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.7}a{color:var(--green);text-decoration-thickness:1px;text-underline-offset:4px}a:hover{color:#103e31}button,input,textarea{font:inherit}button,a,input,textarea{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid #b47614;outline-offset:4px}img{max-width:100%;height:auto}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3,h4{line-height:1.18;letter-spacing:-.025em}h1{font-family:var(--serif);font-size:clamp(2.35rem,4.7vw,4.8rem);font-weight:400}h2{font-size:clamp(1.8rem,2.6vw,2.6rem);font-family:var(--serif);font-weight:400}h3{font-size:1.22rem;font-weight:650}h4{font-size:1.1rem}p{margin-bottom:1.2rem}ul,ol{padding-left:1.4em}li{margin-bottom:.35em}[hidden]{display:none!important}.wrapper{overflow:clip}.site-header{background:var(--paper);border-bottom:1px solid var(--line)}.header-inner{max-width:1280px;min-height:98px;padding:20px 40px;display:flex;justify-content:space-between;align-items:center;gap:24px;margin:auto}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;line-height:1.2;color:var(--ink);font-size:21px;letter-spacing:-.6px;white-space:nowrap}.brand strong{font-weight:700}.brand small{display:block;font-size:10px;letter-spacing:.015em;color:var(--muted);margin-top:7px}.brand-icon{width:42px;height:45px;border-radius:12px 12px 12px 2px;background:var(--green);color:var(--lime);font-family:var(--serif);font-size:31px;display:flex;align-items:center;justify-content:center;letter-spacing:-3px;padding-right:4px}.brand-icon span{color:#fff}.site-header nav{display:flex;align-items:center;gap:30px;font-size:13px;font-weight:600}.site-header nav a{text-decoration:none;color:var(--ink)}.site-header nav a:hover{text-decoration:underline}.site-header nav .nav-cta{background:var(--ink);color:#fff;padding:12px 18px;border-radius:6px}.menu-toggle{display:none}.skip-link{position:absolute;top:-100px;left:20px;z-index:30;padding:12px 20px;background:#fff;border:2px solid var(--green)}.skip-link:focus{top:10px}.course-nav{background:#edf1e8;border-bottom:1px solid var(--line)}.course-nav>div{max-width:1200px;margin:auto;display:flex;gap:26px;align-items:center;padding:13px 0;overflow:auto;white-space:nowrap;font-size:13px}.course-nav a{text-decoration:none;color:var(--muted)}.course-nav a[aria-current],.course-nav .course-name{color:var(--ink);font-weight:750}.course-nav .course-name{padding-right:22px;border-right:1px solid #ccd6ca}.content-wrapper{max-width:1200px;margin:0 auto;padding:30px 0 64px;min-height:60vh}.breadcrumbs{font-size:12px;color:var(--muted);display:flex;flex-wrap:wrap;gap:10px;margin:0 0 28px}.breadcrumbs a{text-decoration:none}.eyebrow{display:block;color:var(--green);font-size:10px;font-weight:750;letter-spacing:.14em;margin-bottom:17px}.hero{display:grid;grid-template-columns:1.12fr 1fr;gap:70px;align-items:center;padding:40px 0 65px}.hero h1{font-size:clamp(3.2rem,5.7vw,5.8rem);line-height:1.04;max-width:650px;margin-bottom:24px}.hero h1 em{color:var(--green);font-weight:400}.hero .intro{max-width:510px;color:var(--muted);font-size:17px;line-height:1.8}.hero-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin:30px 0 20px}.button{display:inline-flex;align-items:center;justify-content:center;gap:25px;border:1px solid var(--green);border-radius:6px;padding:13px 22px;background:var(--green);color:#fff;text-decoration:none;font-size:13px;font-weight:650;line-height:1.5}.button:hover{background:#153d32;color:#fff}.button.secondary{background:transparent;color:var(--green);border-color:#bac9bd}.text-link{font-size:13px;font-weight:650;text-decoration:none}.microcopy{font-size:12px;color:var(--muted)}.hero-art{position:relative;min-height:405px;background:#e8eddf;border:1px solid #d9e2cd;border-radius:48% 48% 44% 48%;display:grid;place-items:center;isolation:isolate}.globe{width:235px;height:235px;border:1px solid #acbdaa;border-radius:50%;position:relative;transform:rotate(-18deg);background:radial-gradient(circle at 35% 30%,#f5f7eb,#d6e2bf)}.globe:before{content:'';position:absolute;inset:0 55px;border-left:1px solid #a9baa8;border-right:1px solid #a9baa8;border-radius:50%}.globe:after{content:'';position:absolute;inset:63px 0;border-top:1px solid #a9baa8;border-bottom:1px solid #a9baa8;border-radius:50%}.orbit-line{position:absolute;width:340px;height:130px;border:1px dashed #b0bea4;border-radius:50%;transform:rotate(-25deg)}.hello{position:absolute;padding:15px 22px;border:1px solid rgba(40,65,45,.13);border-radius:10px;box-shadow:0 9px 24px #294d2b0d;line-height:1.25;font-family:var(--serif);font-size:28px;background:#fffdf4}.hello small{display:block;font-family:var(--sans);font-size:9px;letter-spacing:.12em;text-transform:uppercase;margin-top:7px;color:var(--muted)}.hello.one{top:33px;left:16px;transform:rotate(-8deg);background:#f5dfcd}.hello.two{top:82px;right:-3px;transform:rotate(7deg);background:#e3e5f5}.hello.three{bottom:70px;left:-9px;transform:rotate(-5deg);background:#fffdf4}.hello.four{bottom:14px;right:35px;transform:rotate(7deg);background:#ddebab}.art-caption{position:absolute;bottom:-31px;font-size:10px;letter-spacing:.09em;color:var(--muted)}.trust-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;font-size:12px;color:var(--muted);margin-bottom:64px}.trust-strip strong{display:block;color:var(--ink);font-size:16px;font-weight:650;margin-bottom:2px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin:0 0 26px}.section-heading h2{margin-bottom:8px}.section-heading p{margin:0;color:var(--muted);font-size:14px}.search-box{display:flex;flex-direction:column;gap:5px;min-width:280px}.search-box label{font-size:11px;font-weight:650}.search-box input{width:100%;border:1px solid #cbd5c6;border-radius:6px;padding:12px 16px;background:#fff;font-size:13px;color:var(--ink)}.language-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.language-card{display:flex;flex-direction:column;padding:22px;background:#fff;border:1px solid var(--line);border-radius:8px;text-decoration:none;color:var(--ink);position:relative;transition:transform .18s,box-shadow .18s}.language-card:hover{transform:translateY(-3px);box-shadow:0 8px 20px #173b2910;border-color:#a9bea8}.language-card .native{font-family:var(--serif);font-size:25px;height:44px;line-height:1.4;color:#467864;margin-bottom:21px}.language-card h3{font-size:16px;margin:0 0 5px}.language-card p{font-size:11px;color:var(--muted);margin:0}.language-card .card-arrow{position:absolute;right:20px;bottom:24px;font-size:22px}.language-card:nth-child(4n+2) .native{color:#805c43}.language-card:nth-child(4n+3) .native{color:#5d628d}.result-count{font-size:11px;color:var(--muted);margin:18px 0 0}.section-space{margin-top:72px}.study-band{padding:44px;background:#1b4035;color:#fff;border-radius:12px;display:grid;grid-template-columns:1fr 1.15fr;gap:55px;margin-top:64px}.study-band .eyebrow{color:#d9eb91}.study-band h2{font-size:2.7rem;line-height:1.15}.study-band p{font-size:14px;color:#d5e0d4;max-width:380px}.steps{display:grid;gap:23px}.step{display:flex;align-items:start;gap:20px}.step .number{flex:none;width:35px;height:35px;border:1px solid #5b7568;border-radius:50%;display:grid;place-items:center;font-size:11px;color:#d9eb91}.step h3{font-size:15px;margin:2px 0 5px}.step p{font-size:12px;margin:0}.guide-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.guide-card{display:flex;flex-direction:column;border:1px solid var(--line);padding:25px;border-radius:8px;text-decoration:none;color:var(--ink);background:#f1f3e8;transition:transform .18s}.guide-card:hover{transform:translateY(-3px)}.guide-card .eyebrow{font-size:9px;margin-bottom:22px}.guide-card h3{font-family:var(--serif);font-size:24px;font-weight:400;line-height:1.2}.guide-card p{font-size:12px;color:var(--muted)}.guide-card .text-link{margin-top:auto;padding-top:20px}.guide-card.tone-2{background:#f5e9dc}.guide-card.tone-3{background:#edebf4}.guide-card.tone-4{background:#e7efe8}.site-footer{background:#eef1e7;border-top:1px solid var(--line);padding:45px max(30px,calc((100% - 1200px)/2)) 20px}.site-footer>div:first-child{display:flex;justify-content:space-between;gap:60px}.site-footer p{font-size:12px;color:var(--muted);margin-top:22px}.site-footer nav{display:grid;grid-template-columns:1fr 1fr;gap:8px 45px;font-size:12px}.site-footer nav a{text-decoration:none}.footer-bottom{border-top:1px solid #d3ddcc;margin-top:35px;padding-top:20px;display:flex;justify-content:space-between;font-size:10px;color:var(--muted)}.course-hero{display:grid;grid-template-columns:1.4fr .65fr;gap:55px;margin:40px 0 50px;align-items:center}.course-hero h1{margin-bottom:20px}.course-hero p{max-width:700px;color:var(--muted)}.course-note{padding:32px;background:#e8eddf;border-radius:12px}.course-note .native{font-size:40px;font-family:var(--serif);display:block;margin:5px 0 20px}.course-note p{font-size:13px;margin-bottom:0}.course-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(220px,1fr);gap:35px}.lesson-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}.lesson-card{border:1px solid var(--line);border-radius:7px;padding:20px;background:white;text-decoration:none;display:flex;gap:17px;color:var(--ink);align-items:flex-start;position:relative;flex-wrap:wrap}.lesson-card:hover{border-color:#779785}.lesson-number{font-size:12px;color:#7a8d80;line-height:1.5;min-width:20px}.lesson-card h3{font-size:14px;margin:0 0 5px}.lesson-card p{font-size:11px;color:var(--muted);margin:0}.completed-badge{display:block;width:100%;font-size:10px;color:var(--green)}.panel{background:#edf1e6;padding:28px;border:1px solid var(--line);border-radius:8px;margin-bottom:20px}.panel h2{font-size:26px}.panel p,.panel li{font-size:13px}.panel a{font-weight:600}.panel ul{padding-left:18px}.resource-links{display:grid;gap:10px}.resource-links a{font-size:14px;text-decoration:none;border-bottom:1px solid var(--line);padding:10px 0}.content-header{padding:20px 0 12px}.content-header>.direct-chat-img{display:none}.content-header h1{font-size:clamp(2.3rem,4vw,3.8rem);margin-bottom:18px}.content-header h1 small{display:block;font-family:var(--sans);font-size:16px;color:var(--muted);letter-spacing:0;margin-top:16px;line-height:1.5}.content-header h4{font-size:12px;font-weight:400;color:var(--muted)}.label{font-size:11px;background:#ecf0e6;border-radius:4px;padding:5px 10px;display:inline-block}.content.body,.content{line-height:1.85}.lead{font-size:16px;color:#455950;max-width:100%;line-height:1.9;margin:22px 0}.quicklinks{display:flex;flex-wrap:wrap;gap:8px;margin:15px 0 28px}.quicklinks a{display:flex;justify-content:space-between;gap:24px;text-decoration:none;padding:8px 14px;border:1px solid var(--line);border-radius:5px;font-size:12px;background:#fff}.box{background:white;border:1px solid var(--line);border-radius:8px;margin:24px 0;overflow:hidden}.box-header{padding:20px 24px;border-bottom:1px solid var(--line)}.box-header h3{margin:0;font-size:18px}.box-body{padding:18px 24px;overflow-x:auto}.box-body>p{font-size:15px}.table{border-collapse:collapse;width:100%;background:#fff;font-size:14px;text-align:left;line-height:1.65;margin:12px 0 22px}.table th{background:#edf2e8;color:#3d5848;text-align:left;font-weight:650;font-size:11px;letter-spacing:.025em}.table td,.table th{padding:13px 16px;border-bottom:1px solid #e6ebdf;vertical-align:middle}.table tbody tr:nth-child(even){background:#f7f8f3}.table td h2{font-size:24px;margin:0}.table-scroll{overflow-x:auto;max-width:100%}.table-scroll .table{min-width:360px}.table .direct-chat-img{width:35px;height:35px;object-fit:contain}.table code{font-family:inherit;color:inherit;background:transparent;font-size:13px}.callout{border-left:3px solid #75917d;background:#edf2e7;padding:25px 28px;margin:25px 0;border-radius:0 8px 8px 0}.callout h4{font-size:17px}.callout p:last-child{margin-bottom:0}.callout-warning{background:#f4eede;border-color:#b4985c}.audio-button{border:1px solid #c9d7c5;background:#eef4e8;border-radius:6px;min-width:42px;min-height:40px;color:var(--green);display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:6px 10px;font-size:12px;white-space:nowrap}.audio-button.playing{background:var(--green);color:white}.audio-status{position:fixed;bottom:20px;right:20px;max-width:min(400px,calc(100vw - 40px));background:#183d36;color:white;border-radius:8px;padding:18px 22px;font-size:13px;z-index:50;box-shadow:0 5px 25px #0003}.article-header{max-width:900px;padding:30px 0 40px}.article-header h1{font-size:clamp(2.5rem,4.7vw,4.5rem);line-height:1.08}.article-deck{font-size:18px;color:var(--muted);max-width:800px}.article-meta{display:flex;gap:20px;font-size:11px;color:var(--muted);border-top:1px solid var(--line);padding-top:18px}.article-layout{display:grid;grid-template-columns:230px minmax(0,760px);gap:65px;align-items:start}.article-toc{position:sticky;top:30px;background:#edf1e6;border:1px solid var(--line);padding:25px;border-radius:8px;font-size:12px}.article-toc h2{font-family:var(--sans);font-size:12px;font-weight:750;letter-spacing:0}.article-toc ol{padding-left:17px;margin:0}.article-toc li{margin:12px 0}.article-toc a{text-decoration:none}.article-body{font-size:17px;line-height:1.95;min-width:0}.article-body h2{margin:40px 0 18px;font-size:29px}.article-body h2:first-child{margin-top:0}.article-body h3{margin-top:25px}.article-body .table{font-size:14px}.article-body .callout{font-size:15px}.article-body .checklist{padding-left:22px}.article-body .checklist li{margin:10px 0}.source-note{color:var(--muted);font-size:12px;border-top:1px solid var(--line);padding-top:20px;margin-top:35px}.lesson-tools{margin:50px 0 15px;border:1px solid #c8d8bd;border-radius:10px;padding:30px;background:#e9f0df;display:flex;justify-content:space-between;gap:30px;align-items:center}.lesson-tools h2{font-size:28px;margin-bottom:10px}.lesson-tools p{font-size:13px;margin:0 0 5px}.lesson-tools small{font-size:11px;color:var(--muted)}.lesson-tools .eyebrow{margin-bottom:8px}.lesson-actions{display:flex;flex-direction:column;align-items:start;gap:12px;max-width:290px}.progress-message{font-size:12px}.row{display:flex;flex-wrap:wrap;gap:20px}.col-lg-7{flex:1 1 55%;min-width:0}.col-lg-5{flex:1 1 35%;min-width:0}.col-xs-4{flex:1}.text-center{text-align:center}iframe{max-width:100%;border:0}.form-panel{max-width:700px;background:#fff;border:1px solid var(--line);border-radius:9px;padding:30px}.form-panel label{display:block;font-size:13px;font-weight:650;margin:18px 0 6px}.form-panel input,.form-panel textarea{display:block;width:100%;padding:12px;border:1px solid #bbcabc;border-radius:5px;background:#fcfdf9}.form-panel textarea{min-height:160px;resize:vertical}.form-panel button{margin-top:20px}.form-notice{padding:18px;background:#edf2e7;border-left:3px solid var(--green);font-size:14px}.honeypot{position:absolute;left:-9999px}.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}.ad-slot{margin:25px 0;max-width:100%;overflow:hidden} .fa{display:inline-block}.fa-volume-up:before{content:'▶'}.fa-clock-o:before{content:'◷'}.guide-group{margin:55px 0}.guide-group>h2{font-size:30px}.empty-state{padding:30px;border:1px solid var(--line);border-radius:8px;background:#edf1e6}.content img[src*="_map"],.content img[src*="_sign"]{object-fit:contain}.content .bg-light-blue-gradient{background:#edf1e6}.content .box-footer{padding:20px}.privacy-tools{margin-top:30px}.privacy-tools span{display:block;margin-top:10px;font-size:13px}
@media(min-width:1500px){.hero{gap:100px}}@media(max-width:1280px){.content-wrapper{padding-left:35px;padding-right:35px}.course-nav>div{padding-left:35px;padding-right:35px}.hero{gap:40px}.header-inner{padding-left:35px;padding-right:35px}}@media(max-width:1000px){.site-header nav{gap:20px}.site-header nav .nav-cta{display:none}.language-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero{gap:25px}.hero-art{min-height:340px}.hello{font-size:23px;padding:14px 18px}.hello.two{right:-7px}.orbit-line{width:290px}.globe{width:200px;height:200px}.course-layout{grid-template-columns:minmax(0,1fr) 260px;gap:25px}.lesson-list{grid-template-columns:1fr}.article-layout{gap:35px;grid-template-columns:190px minmax(0,1fr)}.study-band{padding:32px;gap:30px}}@media(max-width:700px){.header-inner{min-height:80px;padding:18px 20px;flex-wrap:wrap;gap:15px}.brand{font-size:18px}.brand small{font-size:8px}.brand-icon{width:35px;height:39px;font-size:27px}.menu-toggle{display:flex;gap:12px;align-items:center;border:1px solid #cbd5c6;border-radius:5px;background:transparent;padding:8px 12px;font-size:12px;color:var(--ink)}.site-header nav{display:none;flex-basis:100%;align-items:start;padding:10px 0;flex-direction:column;gap:16px}.site-header nav.is-open{display:flex}.content-wrapper{padding:24px 20px 45px}.course-nav>div{padding:13px 20px;gap:22px}.hero{grid-template-columns:1fr;gap:40px;padding:25px 0 45px}.hero h1{font-size:3.75rem;max-width:530px}.hero .intro{font-size:15px}.hero-art{min-height:305px;max-width:370px;width:95%;margin:0 auto 25px}.hello.one{top:15px;left:4px}.hello.two{top:65px;right:-5px}.hello.three{bottom:50px;left:-5px}.hello.four{bottom:10px;right:5px}.trust-strip{grid-template-columns:1fr 1fr;gap:22px;margin-bottom:42px;font-size:11px}.trust-strip strong{font-size:14px}.section-heading{align-items:start;flex-direction:column;gap:20px}.search-box{width:100%;min-width:0}.language-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.language-card{padding:17px}.language-card .native{font-size:23px;margin-bottom:14px}.language-card h3{font-size:14px}.language-card p{font-size:10px;padding-right:8px}.language-card .card-arrow{right:12px;font-size:17px}.study-band{grid-template-columns:1fr;padding:28px;margin-top:45px;gap:20px}.study-band h2{font-size:2.5rem}.guide-grid{gap:12px}.guide-card{padding:20px}.guide-card h3{font-size:22px}.section-space{margin-top:45px}.course-hero{grid-template-columns:1fr;gap:15px;margin:20px 0 35px}.course-hero h1{font-size:3.3rem}.course-note{padding:25px}.course-note .native{font-size:30px;margin:0 0 10px}.course-layout{grid-template-columns:1fr}.lesson-list{grid-template-columns:1fr}.article-header{padding:20px 0 25px}.article-deck{font-size:16px}.article-layout{grid-template-columns:1fr;gap:30px}.article-toc{position:static;padding:20px}.article-toc ol{display:grid;grid-template-columns:1fr 1fr;gap:5px 22px}.article-toc li{margin:3px 0}.article-body{font-size:16px;line-height:1.9}.article-body h2{font-size:27px}.article-meta{flex-wrap:wrap;gap:6px 15px}.box-body{padding:10px}.box-header{padding:17px}.table td,.table th{padding:10px 12px}.table{font-size:13px}.quicklinks{gap:6px}.quicklinks a{font-size:11px;gap:14px}.lesson-tools{flex-direction:column;align-items:start;padding:24px}.site-footer{padding:35px 20px 20px}.site-footer>div:first-child{flex-direction:column;gap:15px}.site-footer nav{grid-template-columns:1fr 1fr;gap:9px}.footer-bottom{gap:20px;align-items:start}.callout{padding:20px}.row{display:block}.form-panel{padding:20px}.lead{font-size:15px}}@media(max-width:380px){.hero h1{font-size:3.1rem}.guide-grid{grid-template-columns:1fr}.brand small{display:none}.hero-actions{gap:18px}.hello{font-size:21px}.language-card{padding:14px}.language-card .native{font-size:21px}.article-toc ol{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}@media print{.site-header,.site-footer,.course-nav,.article-toc,.ad-slot,.lesson-tools,.quicklinks,.audio-status{display:none!important}body{background:white;color:black}.content-wrapper{max-width:none;padding:0}.article-layout{display:block}.article-body{font-size:11pt}h1{font-size:28pt}.table{font-size:10pt}.box{break-inside:avoid}.audio-button{display:none}}
/* Blue-and-white refresh: retains the familiar course-sidebar layout. */
:root{--ink:#263d50;--muted:#617483;--green:#236b9d;--lime:#dcedf7;--paper:#f6f8fb;--line:#dde5ed;--serif:var(--sans)}
body{background:#f4f6f9}.site-header{position:sticky;top:0;z-index:30;background:#3c8dbc;border-bottom:0}.header-inner{max-width:none;padding:19px 30px;min-height:88px}.brand{color:#fff!important;font-size:20px}.brand small{color:#e6f1f9}.brand-icon{background:#fff;color:#2d7ba9}.brand-icon span{color:#165779}.site-header nav a{color:white}.site-header nav .nav-cta{background:#2878a6;color:#fff;border:1px solid #72add0}.site-sidebar{position:fixed;top:88px;bottom:0;left:0;width:225px;overflow:auto;background:#222d32;color:#b8c7ce;z-index:25;padding:18px 0 25px;scrollbar-width:thin;scrollbar-color:#566a75 #222d32}.sidebar-heading{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#97acb9;padding:8px 20px 17px;font-weight:650}.site-sidebar nav{display:flex;flex-direction:column}.site-sidebar nav a{padding:10px 20px;color:#bccbd3;text-decoration:none;font-size:12px;line-height:1.5;border-left:3px solid transparent;display:flex;align-items:center;justify-content:space-between;gap:8px}.site-sidebar nav a:hover{color:white;background:#1e282c}.site-sidebar nav a[aria-current]{border-left-color:#3c8dbc;color:#fff;background:#1e282c}.sidebar-bottom{border-top:1px solid #3c4b53;margin:20px 20px 0;padding-top:16px;display:grid;gap:8px}.sidebar-bottom a{color:#b8c7ce;text-decoration:none;font-size:11px}.sidebar-all{margin-top:15px;border-top:1px solid #3c4b53}.content-wrapper{width:calc(100% - 225px);max-width:1400px;margin-left:225px;padding:28px 38px 60px}.course-nav{margin-left:225px;background:#fff;border-bottom-color:#dce4eb}.course-nav>div{padding:12px 38px;max-width:none}.course-nav .course-name{border-right-color:#dae4ed}.site-footer{margin-left:225px;padding:38px 38px 20px;background:#fff}.site-footer .brand{color:var(--ink)!important}.site-footer .brand small{color:var(--muted)}.site-footer .brand-icon{background:#3c8dbc;color:white}.site-footer .brand-icon span{color:#d3e7f5}.footer-bottom{border-color:var(--line)}h1,h2{font-weight:650;letter-spacing:-.035em}.hero{gap:45px;padding:32px 0 46px}.hero h1{font-size:clamp(2.8rem,4.3vw,4.8rem);line-height:1.09}.hero h1 em{font-style:normal;color:#3c8dbc}.hero .intro{font-size:16px}.hero-art{background:#e6f0f8;border-color:#d3e3f0;min-height:345px}.globe{background:radial-gradient(circle at 35% 30%,#f6fbff,#c5e0f1);border-color:#9cc1d8}.globe:before,.globe:after{border-color:#9cc1d8}.orbit-line{border-color:#a5c5db}.hello{font-family:var(--sans);font-size:25px}.hello.one{background:#f7eee3}.hello.two{background:#e2eaf7}.hello.three{background:#fff}.hello.four{background:#def0eb}.button{border-radius:4px;background:#3c8dbc;border-color:#3c8dbc}.button:hover{background:#2b79a7}.button.secondary{background:#fff;color:#246892;border-color:#b8cfde}.language-card{border-radius:5px;border-top:3px solid #3c8dbc;padding:20px}.language-card .native{font-size:24px;color:#397da5}.language-card:nth-child(4n+2) .native{color:#397da5}.language-card:nth-child(4n+3) .native{color:#397da5}.language-card:hover{border-color:#7aaccb}.trust-strip{margin-bottom:48px}.study-band{background:#337da8;border-radius:6px;padding:34px}.study-band h2{font-size:2rem}.study-band p{color:#eff7fb}.study-band .eyebrow,.step .number{color:#fff}.step .number{border-color:#8cb9d3}.study-band .button.secondary{color:#fff!important;background:transparent;border-color:#afd1e4!important}.guide-card{border-radius:5px;border-top:3px solid #3c8dbc;background:#fff!important;padding:22px}.guide-card h3{font-family:var(--sans);font-size:19px;font-weight:650;line-height:1.3}.guide-card .eyebrow{font-size:9px}.guide-grid{gap:14px}.course-note,.panel,.article-toc{background:#eaf2f9;border-color:#d3e2ee;border-radius:5px}.course-hero h1{font-size:clamp(2.5rem,4vw,4rem)}.course-note .native{font-size:34px}.course-hero{gap:35px;grid-template-columns:1.4fr .7fr}.lesson-card,.box{border-radius:5px}.box{border-top:3px solid #3c8dbc}.box-header{border-bottom-color:var(--line)}.table th{background:#eaf2f9;color:#305979}.table td,.table th{border-bottom-color:#e0e7ed}.table tbody tr:nth-child(even){background:#f6f9fc}.label{background:#e7f0f7}.callout{background:#edf5fb;border-color:#3c8dbc}.callout-warning{background:#fcf7e9;border-color:#d7ad54}.audio-button{background:#edf6fc;border-color:#b8d6e9;color:#276e98}.lesson-tools{background:#e8f2fa;border-color:#c7dceb}.article-header h1{font-size:clamp(2.4rem,4.1vw,4rem)}.article-body h2{font-size:26px}.article-layout{gap:40px;grid-template-columns:210px minmax(0,800px)}.empty-state{background:#edf4fa}.content .bg-light-blue-gradient{background:#edf4fa}.menu-toggle{color:white;border-color:#8bbbd7}.search-box input{border-color:#c3d5e2}.content-header h1{font-size:clamp(2.2rem,3.6vw,3.5rem)}
@media(min-width:1700px){.content-wrapper{margin-left:calc(225px + (100% - 1625px)/2)}}@media(max-width:1250px) and (min-width:1051px){.language-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero{gap:30px}.hero-art{min-height:305px}.hero h1{font-size:3.1rem}.hello{font-size:21px;padding:12px 15px}.hero .intro{font-size:14px}.course-layout{grid-template-columns:minmax(0,1fr) 230px}.course-hero{grid-template-columns:1fr}.course-note .native{font-size:27px}.article-layout{grid-template-columns:170px minmax(0,1fr);gap:25px}}
@media(max-width:1050px){.site-sidebar{display:none}.content-wrapper{width:100%;margin-left:0;padding:25px 30px 50px}.course-nav,.site-footer{margin-left:0}.site-footer{padding:35px 30px 20px}.course-nav>div{padding:12px 30px}.menu-toggle{display:flex;align-items:center;gap:12px;background:transparent;border:1px solid #8bbbd7;border-radius:4px;padding:8px 12px;font-size:12px}.site-header nav{display:none}.site-sidebar.is-open{display:block;box-shadow:12px 0 30px #0002}.site-header nav.is-open{display:none}.header-inner{min-height:80px;padding:16px 30px}.site-sidebar{top:80px;width:275px}.hero h1{font-size:clamp(2.8rem,5.5vw,4.2rem)}}
@media(max-width:700px){.content-wrapper{padding:22px 20px 42px}.header-inner{padding:17px 20px;min-height:80px}.brand{font-size:17px}.hero{gap:35px;padding:22px 0 35px}.hero h1{font-size:3.3rem}.hero-art{min-height:285px;max-width:335px}.hello{font-size:23px}.hero .intro{font-size:15px}.course-nav>div{padding:12px 20px}.site-footer{padding:30px 20px 20px}.guide-grid{grid-template-columns:1fr 1fr}.guide-card{padding:18px}.guide-card h3{font-size:17px}.article-layout{grid-template-columns:1fr;gap:30px}.article-header h1{font-size:2.5rem}.article-toc{position:static}.study-band{padding:26px;gap:22px}.study-band h2{font-size:2rem}.hero-actions{gap:18px}.language-card{padding:17px}.course-hero{grid-template-columns:1fr;gap:15px}.course-hero h1{font-size:2.7rem}.course-layout{grid-template-columns:1fr}.course-note .native{font-size:28px}}
@media(max-width:380px){.guide-grid{grid-template-columns:1fr}.hero h1{font-size:2.85rem}.language-card{padding:13px}.language-card h3{font-size:13px}.header-inner{padding:16px}.brand{font-size:16px}.brand-icon{width:32px}.menu-toggle{padding:8px}.hello{font-size:21px}}
@media print{.site-sidebar{display:none!important}.content-wrapper{width:100%;margin:0;padding:0}.site-footer{margin:0}.course-nav{display:none!important}}