:root{--bg:#f6f7f2;--ink:#24352c;--muted:#788176;--line:#e2e6dc;--green:#335b45;--lime:#d9eba9;--pale:#eaf0dc;--white:#fff;--orange:#b66b36;--orange-bg:#fff4e7;--radius:24px;font-family:Inter,Manrope,"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none;font-size:15px;line-height:1.55}
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.header{height:99px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:24px;padding:0 5.5%;background:rgba(246,247,242,.96)}.brand{display:flex;align-items:center;gap:9px;text-decoration:none;white-space:nowrap}.brand-mark{width:33px;height:36px;color:var(--green)}.brand-word{font-size:29px;line-height:1;font-weight:850;letter-spacing:-1.9px}.brand-dot{color:#79a45f}.nav{display:flex;align-items:center;gap:6px}.nav a{display:flex;align-items:center;gap:8px;padding:12px 17px;border-radius:12px;text-decoration:none;color:#7a8277;font-weight:550;font-size:14px}.nav a:hover{background:#ecefe6}.nav a.active{color:var(--ink);background:#e7ecdf}.nav .icon{width:17px;height:17px}.header-right{display:flex;gap:20px;align-items:center}.category-tag{font-size:12px;padding:7px 12px;border:1px solid #dce2d2;border-radius:8px;white-space:nowrap}.profile{width:37px;height:37px;border-radius:50%;display:grid;place-items:center;background:#e5eadf;font-size:12px;font-weight:700}.mobile-nav{display:none}.main{max-width:1260px;padding:42px 42px 40px;margin:auto;min-height:calc(100vh - 178px)}.page-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:25px;margin-bottom:28px}.page-heading h1{font-size:35px;letter-spacing:-1.2px;margin-top:8px}.page-heading p{font-size:14px;margin-top:8px}.date-pill{font-size:12px;display:flex;gap:7px;align-items:center;color:#7a8275}.date-dot{width:6px;height:6px;border-radius:50%;background:#88a56e}.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 279px;gap:22px}.hero-card{background:var(--pale);border:1px solid #dfe6d2;border-radius:var(--radius);min-height:335px;position:relative;overflow:hidden;display:grid;grid-template-columns:1.12fr 1fr}.hero-copy{padding:35px 0 33px 31px;position:relative;z-index:1}.lesson-badge{display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:650;letter-spacing:.35px;margin-bottom:18px}.lesson-badge .dot{width:6px;height:6px;border-radius:50%;background:#56714e}.hero-copy h2{font-size:38px;letter-spacing:-1.5px;line-height:1.13;margin-bottom:15px}.hero-copy p{color:#6c7967;font-size:13px;max-width:280px;margin-bottom:25px}.hero-art{display:flex;align-items:center;justify-content:center;min-width:0;position:relative;overflow:hidden}.hero-art .road-scene{width:400px;max-width:none;flex-shrink:0;transform:rotate(-10deg) scale(1.06);mix-blend-mode:multiply;opacity:.97}.hero-art:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,var(--pale),transparent 20%,transparent 90%);pointer-events:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;border-radius:11px;padding:13px 19px;font-weight:600;font-size:13px;line-height:1.5;text-decoration:none;transition:background .15s,transform .15s;min-height:47px}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--green);color:white}.btn-primary:hover{background:#264b36}.btn-lime{background:var(--lime);color:#293f2d}.btn-light{background:white;border:1px solid var(--line)}.btn-soft{background:#eef1e8}.btn:disabled{opacity:.45;transform:none}.btn .icon{width:16px;height:16px}.hero-note{display:flex;align-items:center;gap:6px;margin-top:13px!important;margin-bottom:0!important;font-size:11px!important;color:#77836f!important}.hero-note .icon{width:13px;height:13px}
.progress-card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column}.card-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.card-top h3{font-size:15px}.card-top .icon{color:#9aa38e;width:17px;height:17px}.progress-graphic{display:flex;align-items:center;justify-content:center;flex:1;min-height:165px;position:relative}.progress-graphic svg{width:145px;height:145px;transform:rotate(-90deg)}.progress-center{position:absolute;text-align:center;line-height:1.3}.progress-center strong{font-size:38px;letter-spacing:-2px;font-weight:600}.progress-center span{display:block;font-size:11px;color:var(--muted)}.progress-copy{font-size:12px;text-align:center;color:var(--muted);margin-bottom:15px}.progress-meta{padding-top:14px;border-top:1px solid var(--line);display:flex;justify-content:space-between;font-size:11px;color:var(--muted)}.progress-meta strong{font-size:12px;color:var(--ink)}.under-hero{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:22px 0 34px}.mini-card{padding:19px 22px;background:white;border:1px solid var(--line);border-radius:16px;display:flex;align-items:center;gap:15px;min-width:0;text-align:left;width:100%}.mini-card .badge-icon{width:42px;height:42px;display:grid;place-items:center;flex-shrink:0;border-radius:12px;background:#f0f3e9;color:#71875f}.mini-card:nth-child(2) .badge-icon{background:#f8eee2;color:#ad8756}.mini-card strong{font-size:13px;display:block;margin-bottom:3px}.mini-card p{font-size:12px;color:var(--muted)}.mini-card>.icon:last-child{margin-left:auto;width:17px;color:#9aa38e}.mini-card:hover{border-color:#becbac;background:#fdfefb}.section-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}.section-head h2{font-size:20px;letter-spacing:-.5px}.link-btn{background:transparent;font-size:12px;display:inline-flex;align-items:center;gap:8px;padding:5px 0;color:#6f7e65}.link-btn .icon{width:15px;height:15px}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.topic-card{border:1px solid var(--line);background:transparent;padding:22px;border-radius:17px;min-height:158px;position:relative;text-align:left;width:100%}.topic-card.available{background:white}.topic-card.available:hover{border-color:#adbf99}.topic-card .number{font-size:12px;color:#839076;display:flex;align-items:center;justify-content:space-between;margin-bottom:25px}.topic-card .number .icon{width:16px;height:16px}.topic-card h3{font-size:15px;margin-bottom:7px}.topic-card p{font-size:12px;color:var(--muted)}.topic-card .soon{font-size:10px;letter-spacing:.25px;font-weight:500;padding:3px 7px;border-radius:5px;background:#ecefe6;color:#8a9380}.topic-card:not(.available){color:#7f8978}.topic-card:disabled{cursor:default}.available .tag{font-size:10px;font-weight:550;color:#557547;background:#edf3e3;padding:3px 7px;border-radius:5px}.footer{display:flex;justify-content:space-between;gap:20px;align-items:center;max-width:1176px;margin:0 auto;padding:23px 0;border-top:1px solid var(--line);font-size:11px;color:#8a9284}.footer-left{display:flex;gap:15px;align-items:center}.footer button{background:none;padding:0;color:inherit;font-size:11px}.footer .connection{display:flex;align-items:center;gap:7px}.footer .connection i{width:5px;height:5px;background:#99ab81;border-radius:50%}.info-strip{font-size:12px;color:#7e8875;border-top:1px solid var(--line);padding-top:24px;margin-top:28px;display:flex;gap:8px;align-items:flex-start}.info-strip .icon{width:16px;height:16px}
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@media(max-width:820px){.header{height:78px;padding:0 22px}.nav a{padding:10px;font-size:12px}.nav .icon{display:none}.category-tag{display:none}.hero-grid{grid-template-columns:1fr}.hero-card{min-height:300px}.hero-copy{padding:30px}.hero-copy h2{font-size:38px}.hero-copy p{max-width:310px}.hero-art .road-scene{width:370px}.progress-card{display:none}.topic-grid{gap:12px}.topic-card{padding:17px}.topic-card h3{font-size:14px}.under-hero{gap:12px}.mini-card{padding:16px;gap:12px}.mini-card .badge-icon{width:36px;height:36px}.mini-card p{font-size:11px}.exercise-grid{gap:20px}.exercise-title h1{font-size:29px}.answer-btn{font-size:13px;padding:15px 12px}.feedback{padding:16px}.confidence-row{flex-direction:column}.keyboard-note{display:none}.main{min-height:calc(100vh - 160px)}}
@media(max-width:640px){.header{height:70px;padding:0 20px}.brand-word{font-size:27px}.brand-mark{width:29px;height:33px}.nav{display:none}.header-right{gap:10px}.category-tag{display:block;padding:5px 9px;font-size:10px}.profile{width:31px;height:31px;font-size:10px}.main{padding:27px 20px 25px;min-height:calc(100vh - 200px)}.page-heading{margin-bottom:23px;align-items:flex-start}.page-heading h1{font-size:28px;letter-spacing:-1px;margin-top:6px}.page-heading p{font-size:12px;max-width:260px}.eyebrow{font-size:10px;letter-spacing:1.4px}.date-pill{display:none}.hero-card{display:block;min-height:440px;border-radius:20px}.hero-copy{padding:27px 25px;position:relative;z-index:2}.hero-copy h2{font-size:35px;max-width:280px;letter-spacing:-1.2px}.hero-copy p{font-size:12px;max-width:247px;margin-bottom:22px}.hero-copy .btn{font-size:12px;padding:13px 17px}.lesson-badge{font-size:10px;margin-bottom:16px}.hero-art{position:absolute;right:-18px;bottom:-35px;width:285px;height:254px;z-index:0;opacity:.82}.hero-art .road-scene{width:300px;transform:rotate(-12deg)}.hero-art:after{background:linear-gradient(180deg,var(--pale),transparent 25%)}.hero-note{font-size:10px!important}.hero-copy .btn,.hero-note{position:relative;z-index:3}.under-hero{grid-template-columns:1fr;margin:15px 0 28px;gap:10px}.mini-card{padding:16px 18px;border-radius:14px}.mini-card p{font-size:11px}.mini-card strong{font-size:12px}.mini-card .badge-icon{width:36px;height:36px}.section-head h2{font-size:18px}.link-btn{font-size:11px}.topic-grid{grid-template-columns:1fr;gap:11px}.topic-card{min-height:0;padding:18px 19px 18px 60px}.topic-card .number{position:absolute;left:19px;top:20px;font-size:11px;margin:0}.topic-card .number .soon,.topic-card .number .tag{position:absolute;top:40px;left:0;font-size:9px;transform:translateX(-8px);white-space:nowrap}.topic-card h3{font-size:14px;margin-bottom:5px}.topic-card p{font-size:11px}.topic-card:not(.available){min-height:85px}.topic-card.available{min-height:86px}.footer{margin:0 20px;padding:17px 0 100px;font-size:10px;align-items:flex-start}.footer-left{flex-direction:column;gap:8px;align-items:flex-start}.footer button{font-size:10px}.footer .connection{max-width:150px;align-items:flex-start}.footer .connection i{margin-top:5px;flex-shrink:0}.mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:20;background:#fafbf7f5;backdrop-filter:blur(14px);border-top:1px solid #e0e5d8;padding:9px 10px calc(9px + env(safe-area-inset-bottom,0px));justify-content:space-around}.mobile-nav a{display:flex;flex-direction:column;align-items:center;gap:5px;padding:5px 8px;min-width:66px;text-decoration:none;font-size:9px;color:#8a9480}.mobile-nav .icon{width:20px;height:20px}.mobile-nav a.active{color:#3b6147}.mobile-nav a.active .icon{background:#e5eed5;box-shadow:0 0 0 6px #e5eed5;border-radius:3px}.toast{bottom:100px;font-size:12px}.lesson-top{margin-bottom:18px}.lesson-counter{font-size:10px}.session-progress{margin-bottom:25px;gap:4px}.lesson-intro h1{font-size:29px;letter-spacing:-1px}.lesson-intro>p{font-size:13px}.intro-rules{grid-template-columns:1fr;gap:12px;margin:24px 0}.intro-rule{padding:20px}.intro-rule .rule-num{margin-bottom:12px}.intro-rule h3{font-size:17px}.intro-rule p{font-size:12px}.condition-note{font-size:11px;padding:15px}.exercise-title h1{font-size:26px;letter-spacing:-.8px;line-height:1.2}.exercise-title>p{font-size:12px}.exercise-grid{grid-template-columns:1fr;gap:12px;margin-top:20px}.scene-card{border-radius:16px}.scene-wrap{max-height:280px;overflow:hidden;display:flex;align-items:center}.scene-card .road-scene{height:280px;width:100%;object-fit:contain}.scene-key{font-size:10px;padding:10px 15px}.scene-caption{font-size:10px;padding:9px 2px}.answer-btn{min-height:62px;padding:13px 15px;font-size:12px;border-radius:11px;margin-bottom:10px}.answers-caption{font-size:10px;margin-bottom:10px}.feedback{margin-top:15px}.feedback h3{font-size:16px}.feedback p{font-size:12px}.confidence-row{flex-direction:row;gap:8px}.confidence-row .btn{font-size:11px}.change{font-size:11px}.summary-view h1{font-size:31px;letter-spacing:-1px}.summary-view>p{font-size:13px}.summary-metrics{padding:20px 10px}.summary-metrics strong{font-size:25px}.summary-metrics span{font-size:10px}.summary-view .btn{font-size:12px}.map-concepts{grid-template-columns:1fr;gap:12px}.check-card{grid-template-columns:1fr;padding:25px;gap:25px;border-radius:20px}.check-card h2{font-size:27px}.check-card p{font-size:12px}.check-stat{border-left:0;border-top:1px solid #d3dec3;padding:18px 0 0;display:flex;gap:15px;align-items:center}.check-stat strong{font-size:38px}.check-stat p{margin:0;font-size:11px}.check-stat span{font-size:11px}.review-item{flex-wrap:wrap;padding:16px;gap:12px}.review-item .tiny-scene{width:65px;height:57px}.review-item h3{font-size:13px}.review-item p{font-size:11px}.review-item .btn{width:100%;min-height:40px}.empty-state{padding:35px 22px}.empty-state h2{font-size:23px}.empty-state p{font-size:12px}.dialog-head{padding:20px}.dialog-body{padding:20px}.dialog-head h2{font-size:21px}.dialog-body p{font-size:12px}.info-strip{font-size:11px}.history-row{font-size:11px;gap:12px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;transition:none!important;scroll-behavior:auto!important}}
.progress-center span{letter-spacing:0;font-weight:400;margin-top:4px}.progress-graphic circle:last-child{stroke-linecap:butt}
@media(max-width:640px){.hero-card{min-height:0}.hero-copy{padding:27px 25px 20px}.hero-art{position:relative;right:auto;bottom:auto;width:100%;height:162px;opacity:.9}.hero-art .road-scene{width:340px;transform:rotate(-10deg)}.hero-art:after{background:linear-gradient(180deg,var(--pale),transparent 30%)}.hero-note{max-width:260px}.category-tag{flex-shrink:0}.profile{flex-shrink:0}}
@media(max-width:360px){.header-right .category-tag{display:none}.hero-copy h2{font-size:31px}.hero-copy{padding:24px 21px 18px}.hero-copy p{font-size:11px}.confidence-row{flex-direction:column}}