:root{--bg:#f7f8f3;--paper:#fff;--ink:#21372f;--muted:#738078;--green:#184b3f;--lime:#d6ef9d;--line:#e4e9df;--soft:#edf2e7;--orange:#ee8d4d;--red:#b65341;--font:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}
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var(--line);display:flex;flex-direction:column;background:#fcfdf9;z-index:20}.brand{display:flex;align-items:center;gap:13px;font-size:17px;letter-spacing:2px;font-weight:800;margin-bottom:55px}.brand small{display:block;letter-spacing:2px;font-size:10px;font-weight:500;color:var(--muted);margin-top:2px}.brand-x{position:relative;display:grid;place-content:center;background:var(--green);color:var(--lime);border-radius:12px;width:44px;height:46px;font-size:29px;line-height:1;font-weight:800;letter-spacing:0}.brand-x span{position:absolute;top:-3px;right:-3px;border:3px solid #fcfdf9;background:var(--lime);width:13px;height:13px;border-radius:50%}.nav-caption{padding:0 13px;margin-bottom:13px;font-size:10px;color:#929c93;letter-spacing:1.8px}.nav-link{display:flex;align-items:center;gap:13px;padding:13px 14px;border-radius:10px;margin:4px 0;color:#69766b;font-size:13px;font-weight:600;transition:background .15s}.nav-link 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#fff;border-radius:50%;width:34px;height:34px;display:grid;place-content:center;font-size:12px;color:#567144}main{max-width:1480px;margin:0 auto;padding:32px 46px 38px;min-height:calc(100vh - 150px)}.welcome-line{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:25px}.eyebrow{color:#7b897d;letter-spacing:2px;font-size:10px;font-weight:650;text-transform:uppercase;margin-bottom:10px}.welcome-line h1{font-size:26px;font-weight:650;margin-bottom:4px}.welcome-line p{font-size:12px;color:var(--muted);margin:0}.date-note{font-size:10px;color:#8a978c;white-space:nowrap}.hero{position:relative;overflow:hidden;border:1px solid #dce6d0;border-radius:18px;background:#eaf0df;min-height:307px;display:flex;align-items:center;padding:32px 37px;margin-bottom:25px}.hero-copy{position:relative;z-index:2;max-width:57%}.hero-kicker{display:inline-flex;gap:8px;align-items:center;border:1px solid #cdd9bd;color:#62794c;border-radius:50px;padding:3px 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.lesson-card{min-height:245px;padding:24px}.empty-state{padding:45px;text-align:center;color:var(--muted);border:1px dashed #ccd8c0;border-radius:12px;grid-column:1/-1}.notice{padding:13px 17px;background:#edf2e7;border:1px solid #dce6d3;border-radius:9px;color:#78876c;font-size:11px;line-height:1.9;margin:18px 0}.notice.amber{background:#fff5e6;border-color:#eee0c4;color:#98773e}.panel{background:white;border:1px solid var(--line);border-radius:14px;padding:27px}.panel h2{font-size:18px}.two-col{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px}.form-row{margin-bottom:20px}.form-row>label,.label{display:block;font-size:11px;color:#7f8e75;margin-bottom:7px}.input-wrap{position:relative}.input-wrap input{width:100%;background:#f8faf5;border:1px solid #dfe7d7;border-radius:8px;color:var(--ink);padding:13px 58px 13px 14px;font-size:15px}.input-wrap .suffix{position:absolute;right:14px;top:16px;font-size:10px;color:#8d9a83}.form-row select{width:100%;padding:12px;background:#f8faf5;border:1px solid #dfe7d7;border-radius:8px;color:var(--ink)}.segment{display:flex;gap:5px;padding:5px;background:#f0f4e9;border-radius:9px;margin-bottom:23px}.segment button{flex:1;border:0;background:transparent;padding:9px;border-radius:6px;font-size:12px;color:#7d8a72}.segment button.active{background:white;box-shadow:0 2px 5px #2944160a;color:var(--green);font-weight:650}.segment button.active.short{color:var(--red)}.range-row{display:flex;align-items:center;gap:14px}.range-row input{accent-color:var(--green);width:100%}.range-row output{font-size:20px;color:var(--green);width:45px;text-align:right}.result-hero{background:#eaf1df;border-radius:10px;padding:26px;margin-bottom:20px}.result-hero 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0}.check-input-panel{padding:22px}.check-input-panel input{font-size:12px}.check-input-panel .form-row{margin-bottom:17px}.sample-buttons{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:17px}.sample-btn{border:1px solid var(--line);border-radius:5px;background:#f6f9f1;padding:5px 8px;font-size:9px;color:#788b69}.sample-btn.active{background:#e2edcf;color:var(--green);border-color:#bacfa0}.demo-ribbon{display:inline-flex;align-items:center;gap:7px;background:#fff0d8;color:#92713c;border-radius:5px;padding:3px 8px;font-size:9px;margin-bottom:12px}.check-empty{height:100%;min-height:440px;background:white;border:1px dashed #cfdbc0;border-radius:13px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:35px}.check-empty .shield{font-size:60px;color:#aabd96;margin-bottom:25px}.check-empty svg{height:64px;width:64px;stroke-width:1}.check-empty h2{font-size:22px}.check-empty 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small{color:#929f85;margin-left:6px}.source-heading{margin-top:26px;font-size:17px}.glossary-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.term{padding:20px;background:white;border:1px solid var(--line);border-radius:10px}.term h2{font-size:15px;margin-bottom:8px}.term p{font-size:12px;color:#829077;margin:0;line-height:1.9}dialog{border:1px solid #d9e2ce;border-radius:17px;padding:39px;max-width:760px;width:calc(100% - 32px);max-height:86vh;color:var(--ink);box-shadow:0 30px 100px #173f2730;background:#fcfdf9}dialog::backdrop{background:#172f2859;backdrop-filter:blur(4px)}.dialog-close{position:absolute;right:17px;top:13px;width:31px;height:31px;border:0;background:#edf2e5;border-radius:50%;font-size:22px;color:#8c9c7b;line-height:1}.dialog-title{font-size:27px;padding-right:20px;margin-bottom:13px}.dialog-summary{font-size:13px;color:#899778;line-height:1.9}.article-section{padding-top:13px}.article-section h3{font-size:16px;margin-bottom:9px}.article-section p{font-size:13px;line-height:2;color:#697b60;white-space:pre-line}.takeaways{padding:20px 25px;background:#edf3e3;border-radius:10px;margin:24px 0;font-size:12px;color:#6a8057}.takeaways strong{color:var(--green)}.takeaways ul{margin-bottom:0;padding-left:18px;line-height:2}.quiz{border-top:1px solid var(--line);padding-top:23px}.quiz h3{font-size:16px}.quiz-question{font-size:13px}.quiz-options{display:grid;gap:8px}.quiz-option{display:flex;gap:10px;align-items:flex-start;padding:12px;border:1px solid #dce6d2;background:white;border-radius:7px;font-size:12px;cursor:pointer}.quiz-option input{accent-color:var(--green);margin-top:4px}.quiz-feedback{padding:12px 0;color:#82926e;font-size:12px}.quiz-footer{display:flex;justify-content:space-between;align-items:center;margin-top:15px;gap:15px}.article-meta{font-size:10px;color:#99a28e;margin:10px 0 22px}.source-links{border-top:1px solid var(--line);padding-top:15px;margin-top:25px;font-size:11px;color:#7e9270}.source-links a{display:inline-block;text-decoration:underline;margin-right:13px;line-height:2;overflow-wrap:anywhere}.lesson-complete{color:#6f8d51}.coin-detail-head{display:flex;gap:15px;align-items:center;margin-bottom:22px}.coin-detail-head .coin-avatar{width:55px;height:55px;font-size:25px}.coin-detail-head h2{margin:0}.risk-list{padding-left:19px;font-size:13px;line-height:1.9;color:#8a795e}.reset-btn{font-size:10px;border:0;background:none;color:#8b987c;text-decoration:underline}#toast{position:fixed;bottom:28px;left:calc(50% + 90px);transform:translate(-50%,20px);background:var(--green);color:white;border-radius:9px;padding:12px 20px;box-shadow:0 7px 25px #1d45232b;font-size:12px;z-index:99;opacity:0;pointer-events:none;transition:.2s;max-width:85vw;text-align:center}#toast.show{opacity:1;transform:translate(-50%,0)}
@media(min-width:1600px){main{padding-top:40px}.hero{min-height:340px}.hero h2{font-size:48px}.hero-art{right:6%}}
@media(max-width:1200px){.sidebar{width:208px;padding:29px 18px}.workspace{margin-left:208px}main{padding:27px}.topbar{padding:0 27px}.home-columns{grid-template-columns:minmax(0,1fr) 250px;gap:17px}.hero h2{font-size:36px}.hero{padding:28px}.hero-art{transform:scale(.85);transform-origin:center right;width:45%}.lesson-grid{grid-template-columns:repeat(2,1fr)}.coin-grid{grid-template-columns:repeat(2,1fr)}.footer{padding:20px 27px}.check-layout{grid-template-columns:300px minmax(0,1fr)}}
@media(max-width:980px){.home-columns{grid-template-columns:1fr}.home-side{display:grid;grid-template-columns:1.3fr 1fr;gap:17px}.check-teaser{min-height:190px}.learn-progress{margin:0;flex-direction:column;justify-content:center;text-align:center}.hero-copy{max-width:65%}.hero-art{right:-35px;opacity:.7}.hero h2{font-size:34px}.stat-card{padding:12px;gap:8px}.icon-box{width:31px;height:31px}.stat-number{font-size:18px}.stat-label{font-size:9px}.check-layout{grid-template-columns:1fr}.check-left{display:grid;grid-template-columns:220px 1fr;gap:15px}.balance-card{height:fit-content}.check-left .notice{grid-column:1/-1;margin-top:0}.check-empty{min-height:280px}.roadmap{grid-template-columns:1fr}.two-col{gap:16px}.panel{padding:20px}}
@media(max-width:760px){.sidebar{position:sticky;top:0;width:100%;height:auto;inset:auto;padding:13px 16px 0;display:block;border-right:0;border-bottom:1px solid var(--line);background:#fcfdf9f5;backdrop-filter:blur(12px)}.brand{font-size:13px;margin-bottom:12px;gap:9px}.brand-x{width:31px;height:32px;border-radius:8px;font-size:22px}.brand small{font-size:8px;display:inline-block;margin-left:10px;letter-spacing:1px}.sidebar .nav-caption,.sidebar-bottom,.sidebar-foot{display:none}#navigation{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px;margin:0 -3px;padding-bottom:7px}.nav-link{min-width:0;padding:8px 5px;font-size:10px;gap:6px;border-radius:7px;margin:0;justify-content:center}.nav-link svg{height:14px;width:14px}.nav-link .new-tag{display:none}.nav-spacer{display:none}.workspace{margin-left:0}.topbar{height:55px;padding:0 20px}.top-actions{gap:15px}.topbar #breadcrumb{font-size:11px}.avatar{display:none}main{padding:23px 20px}.welcome-line{margin-bottom:20px}.welcome-line h1{font-size:22px}.welcome-line p{font-size:11px}.date-note{display:none}.hero{min-height:300px;padding:26px 24px}.hero-copy{max-width:78%}.hero h2{font-size:34px;letter-spacing:-1px}.hero-art{right:-77px;transform:scale(.7);opacity:.5;width:260px;top:10px}.hero p{max-width:230px;font-size:11px}.hero-actions{gap:17px}.hero-actions .text-link{font-size:10px}.btn{font-size:11px;padding:10px 14px;gap:12px}.stats-row{gap:8px;margin-bottom:25px}.stat-card{display:block;padding:12px 10px}.stat-card .icon-box{display:none}.stat-number{font-size:19px}.stat-number small{font-size:9px}.stat-label{font-size:8px}.home-columns{gap:20px}.lesson-preview{gap:12px}.lesson-card{padding:17px}.lesson-card h3{font-size:14px}.lesson-card p{font-size:10px}.home-side{grid-template-columns:1.4fr 1fr;gap:12px}.check-teaser{padding:20px}.check-teaser h3{font-size:22px}.check-teaser p{font-size:10px}.learn-progress{padding:12px}.coin-strip{grid-template-columns:1fr;gap:9px}.coin-mini{padding:13px}.coin-mini small{font-size:10px}.footer{padding:20px;display:block;font-size:8px}.footer>span{display:block;margin-bottom:5px}.page-heading h1{font-size:28px}.page-heading p{font-size:12px}.lesson-grid{gap:12px}.lesson-grid .lesson-card{padding:18px}.coin-grid{gap:12px}.coin-card{padding:18px}.coin-card p{font-size:11px}.two-col{grid-template-columns:1fr}.check-left{display:block}.check-layout{gap:19px}.balance-card{margin-bottom:15px}.check-empty{min-height:310px}.comparison{font-size:10px}.comparison th,.comparison td{padding:12px 8px}.glossary-grid{grid-template-columns:1fr}.toolbar{gap:9px}.search-field{max-width:none;flex-basis:100%}.filter-btn{font-size:10px;padding:6px 10px}.section-head h2{font-size:16px}.section-head .text-link{font-size:10px;gap:8px}.dialog-title{font-size:23px}dialog{padding:31px 21px}.article-section p{font-size:12px}.quiz-footer{align-items:flex-start;flex-direction:column}#toast{left:50%}.report-header{flex-direction:column}.big-result{font-size:32px}.report-math b{font-size:19px}}
@media(max-width:390px){.hero h2{font-size:30px}.hero-copy{max-width:88%}.hero-art{opacity:.3}.lesson-preview,.lesson-grid,.coin-grid{grid-template-columns:1fr}.home-side{grid-template-columns:1fr}.learn-progress{flex-direction:row;text-align:left}.hero-actions{gap:10px}.brand small{display:none}}
.course-cover{display:block;margin:-20px -20px 18px;padding:0;border:0;border-bottom:1px solid var(--line);border-radius:11px 11px 0 0;overflow:hidden;background:#eef3e6;line-height:0}
.course-cover img{display:block;width:100%;height:auto;aspect-ratio:2/1;object-fit:contain;transition:transform .2s}.course-cover:hover img{transform:scale(1.02)}
.lesson-grid .course-cover{margin:-24px -24px 19px}.lesson-dialog{width:calc(100% - 38px);max-width:840px;padding:34px 43px 36px;max-height:90vh}.lesson-dialog .dialog-close{position:sticky;top:-18px;float:right;z-index:4;background:#e0e8d6;border:1px solid #fff;right:0;box-shadow:0 2px 6px #21372f15}.lesson-intro{padding-top:8px}.lesson-intro .dialog-title{margin:17px 0 12px;font-size:30px;line-height:1.45}.lesson-intro .dialog-summary{font-size:14px;color:#6c7b62;margin-bottom:13px}.lesson-intro .article-meta{font-size:11px;color:#839174;margin-bottom:21px}.lesson-map{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:22px 0 30px}.lesson-map button{padding:10px 11px;background:#edf3e4;color:#526c40;border:1px solid #d9e5cc;border-radius:8px;text-align:left;font-size:11px;line-height:1.6}.lesson-map span{display:block;font-size:10px;color:#879e73;letter-spacing:1px;margin-bottom:3px}.visual-section{scroll-margin-top:18px;margin-bottom:34px}.lesson-figure{margin:0;background:#f5f8ee;border:1px solid #dfe7d5;border-radius:13px;overflow:hidden}.lesson-figure img{display:block;width:100%;height:auto;aspect-ratio:2/1}.lesson-figure figcaption{display:flex;gap:10px;align-items:flex-start;border-top:1px solid #e0e7d6;padding:12px 17px;font-size:11px;color:#6a7c5a;line-height:1.8;background:#f6f8f1}.lesson-figure figcaption span{font-size:9px;white-space:nowrap;letter-spacing:1px;background:#e6eddb;border-radius:4px;padding:1px 6px;color:#7d9169}.visual-copy{display:flex;gap:15px;padding:23px 4px 0}.visual-step{flex-shrink:0;width:30px;height:30px;background:#e9f1dd;border-radius:8px;display:grid;place-content:center;font-size:11px;color:#749059;letter-spacing:.5px;margin-top:1px}.visual-copy h3{font-size:18px;letter-spacing:0;margin:0 0 10px;color:#264832}.visual-copy p{font-size:14px;line-height:1.95;margin:0;color:#586c50;white-space:pre-line;max-width:64ch}.lesson-dialog .takeaways{margin:9px 0 30px;font-size:13px}.lesson-dialog .quiz-question{font-size:14px}.lesson-dialog .quiz-option{font-size:13px;padding:14px}.lesson-dialog .source-links{font-size:11px;line-height:1.9}.theory-entry{border-top:1px solid var(--line);margin-top:24px;padding-top:20px}.theory-entry p{font-size:11px;color:#738567;margin:9px 0}.theory-entry button{display:block;background:none;border:0;padding:7px 0;font-size:12px;color:var(--green);text-align:left;font-weight:600}.lesson-card p{color:#77856d}
@media(max-width:760px){.course-cover{margin:-17px -17px 16px}.lesson-grid .course-cover{margin:-18px -18px 16px}.lesson-dialog{width:calc(100% - 16px);max-height:93vh;padding:17px 16px 26px;border-radius:13px}.lesson-dialog .dialog-close{top:0;margin-bottom:-28px}.lesson-intro{padding:6px 3px 0}.lesson-intro .dialog-title{font-size:23px;margin-top:16px;line-height:1.55}.lesson-intro .dialog-summary{font-size:12px;line-height:1.85}.lesson-intro .article-meta{font-size:9px}.lesson-map{gap:6px;margin-bottom:24px}.lesson-map button{font-size:10px;padding:9px 8px}.lesson-map span{font-size:9px}.lesson-figure{border-radius:9px}.lesson-figure figcaption{font-size:10px;padding:9px 10px;gap:7px}.lesson-figure figcaption span{font-size:8px}.visual-copy{padding:17px 3px 0;gap:10px}.visual-step{width:25px;height:25px;font-size:9px;border-radius:6px}.visual-copy h3{font-size:16px;margin-bottom:8px}.visual-copy p{font-size:13px;line-height:1.95}.visual-section{margin-bottom:29px}.lesson-dialog .takeaways{padding:17px 18px;font-size:12px}.lesson-dialog .quiz h3{font-size:15px}.lesson-dialog .quiz-question{font-size:13px}.lesson-dialog .quiz-option{font-size:12px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
/* Illustrated textbook: annotated scenes and matched margin notes. */
.lesson-dialog{max-width:1160px;padding:34px 38px 40px;background:#fcfcf7;max-height:94vh}
.lesson-intro{max-width:820px}.lesson-kicker{font-size:10px;letter-spacing:1.5px;color:#8c9c84;margin:0 0 22px}.lesson-kicker span{margin:0 11px;color:#c0cbb8}.lesson-intro .dialog-title{font-size:32px;letter-spacing:-.8px;margin:13px 0 10px}.lesson-intro .article-meta{margin-bottom:27px}.course-cover img{aspect-ratio:3/2}
.teaching-board{border:1px solid #dbe4d4;border-radius:15px;background:#f0f4e9;padding:22px 22px 16px;overflow:hidden}.board-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.board-label{font-size:10px;color:#849573;letter-spacing:.6px}.board-heading h3{font-size:18px;line-height:1.5;margin:7px 0 0;color:#244b38}.figure-zoom{flex-shrink:0;font-size:11px;border:1px solid #bccbb0;padding:8px 11px;background:#fafcf6;border-radius:7px;color:#577444;cursor:pointer}.figure-zoom:hover{background:white;border-color:#54774b}.board-layout{display:grid;grid-template-columns:minmax(0,1fr) 222px;gap:22px;align-items:center}.board-figure{margin:0;min-width:0}.board-viewport{overflow:auto;background:#f8f8f1;border:1px solid #e1e7da;border-radius:10px;scrollbar-color:#92a986 #e4eadb;scrollbar-width:thin}.board-viewport:focus-visible{outline:2px solid #729255;outline-offset:3px}.board-viewport img{display:block;width:100%;height:auto;max-width:none}.board-viewport.is-zoomed img{width:1000px}.board-figure figcaption{color:#77886b;font-size:10px;line-height:1.8;padding:10px 3px 0}.zoom-hint{display:none;font-size:11px;color:#697e5c;margin:8px 3px 0}.board-figure.is-zoomed .zoom-hint{display:block}.board-notes{list-style:none;margin:0;padding:0}.board-notes li{display:flex;align-items:flex-start;gap:11px;padding:19px 0;border-bottom:1px solid #d7e2cd}.board-notes li:first-child{padding-top:2px}.board-notes li:last-child{border:0;padding-bottom:10px}.note-number{background:#c67f52;flex:0 0 23px;height:23px;border-radius:50%;color:white;font-size:12px;display:grid;place-items:center}.board-notes h4{margin:1px 0 8px;font-size:13px;color:#3e5a3f;line-height:1.5}.board-notes p{margin:0;color:#718065;font-size:12px;line-height:1.85}.chapter-divider{margin:35px 0 0;display:flex;align-items:center;justify-content:space-between;color:#537344;font-size:13px;font-weight:600}.chapter-divider span:last-child{font-size:9px;color:#a0af94;letter-spacing:1.4px;font-weight:400}.lesson-map{margin:15px 0 27px}.lesson-map button{background:transparent;border-radius:0;border-width:0 0 1px;padding:10px 4px 14px}.lesson-map span{display:inline-block;margin-right:10px}.visual-section{display:grid;grid-template-columns:minmax(0,1.38fr) minmax(0,1fr);align-items:center;gap:28px;padding-bottom:29px;margin-bottom:29px;border-bottom:1px solid #e2e8d9}.visual-section:nth-child(even) .lesson-figure{order:2}.visual-copy{display:block;padding:0}.visual-step{margin:0 0 13px;border-radius:50%;background:#ecf1e5;color:#819772}.visual-copy h3{font-size:18px;line-height:1.5}.visual-copy p{font-size:14px;line-height:2}.lesson-figure{border-radius:10px}.lesson-figure figcaption{font-size:10px;padding:10px 12px}.lesson-dialog .takeaways{margin-top:5px}.lesson-dialog .quiz{margin-top:28px}.lesson-dialog .source-links{margin-top:28px}
@media(max-width:1050px){.board-layout{grid-template-columns:minmax(0,1fr)}.board-notes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.board-notes li,.board-notes li:first-child,.board-notes li:last-child{padding:0;border-bottom:0;gap:9px}.board-notes h4{font-size:12px}.board-notes p{font-size:11px}.visual-section{gap:22px;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr)}}
@media(max-width:760px){.lesson-dialog{padding:18px 16px 28px}.lesson-kicker{font-size:9px;letter-spacing:.8px;margin-bottom:18px}.lesson-kicker span{margin:0 6px}.lesson-intro .dialog-title{font-size:23px}.teaching-board{padding:15px 10px 6px;border-radius:11px;margin:0 -4px}.board-heading{align-items:flex-start;gap:10px;padding:0 3px;margin-bottom:15px}.board-heading h3{font-size:15px;margin-top:6px;line-height:1.65}.board-label{font-size:9px}.figure-zoom{font-size:9px;padding:7px;white-space:nowrap;margin-top:2px}.board-layout{gap:14px}.board-viewport{border-radius:7px}.board-figure figcaption{font-size:10px}.board-notes{display:block;padding:0 5px}.board-notes li,.board-notes li:first-child,.board-notes li:last-child{padding:13px 0;border-bottom:1px solid #dce5d3;gap:11px}.board-notes li:last-child{border:0}.board-notes h4{font-size:13px;margin-bottom:5px}.board-notes p{font-size:12px;line-height:1.85}.chapter-divider{margin-top:30px;font-size:12px}.chapter-divider span:last-child{display:none}.lesson-map{margin:9px 0 22px}.lesson-map span{display:block;margin-right:0}.visual-section{grid-template-columns:1fr;gap:17px;padding-bottom:25px;margin-bottom:25px}.visual-section:nth-child(even) .lesson-figure{order:0}.visual-copy{display:flex;padding:0 3px;gap:10px}.visual-step{flex-shrink:0;margin:2px 0 0}.visual-copy h3{font-size:16px}.visual-copy p{font-size:13px;line-height:1.95}}

.media-credit{font-size:10px;line-height:1.8;color:#718168;padding:8px 12px 10px;border-top:1px solid #e3e9dc;background:#f8faf4;overflow-wrap:anywhere}.media-credit a{color:#456747;text-decoration:underline;text-underline-offset:2px}.media-credit span{display:block;color:#85937c}.board-figure>.media-credit{border:0;background:transparent;padding:6px 3px}.media-credits{margin:30px 0;padding:22px;background:#f2f6eb;border:1px solid #dfe8d5;border-radius:10px}.media-credits>p{font-size:12px;color:#718066;line-height:1.9}.license-item{margin:15px 0}.license-item>.media-credit{border:0;padding:0;background:transparent}.license-item>a{font-size:10px;color:#537348}.adaptation-note{font-size:10px;line-height:1.8;color:#889880;margin:15px 0}.new-lesson{font-size:9px;color:#a86942;font-weight:500}.lesson-figure img{object-fit:contain}.guide-path{display:flex;gap:16px;flex-wrap:wrap;color:#7d8f70;font-size:11px;margin-top:18px}.guide-path b{color:#496d43;font-weight:600;margin-right:6px}