/* The same expedition page and reading rhythm as the original map lesson. */
body[data-world-mode="lesson"] #world-platform .w-layout{display:block;max-width:none}
body[data-world-mode="lesson"] #world-platform .w-sidebar{display:none}
body[data-world-mode="lesson"] #world-platform #w-menu{display:inline-flex}
#world-platform .w-main.w-lesson-shell{max-width:1220px;padding:17px 32px 32px;margin:auto}
#world-platform .w-lesson-masthead{padding-bottom:16px;border:0}
#world-platform .w-lesson-masthead .brand{font-size:18px;font-weight:800}
#world-platform .w-lesson-masthead .small{font-size:15px;color:#4b6577;line-height:1.4}
#world-platform .w-lesson-hero{display:flex;min-height:222px;padding:30px 35px;margin:0 0 23px;border:2px solid #fff;border-radius:29px;background:linear-gradient(110deg,#d9f6f0,#d9efff 78%);box-shadow:0 8px 0 #c5e3e880}
#world-platform .w-lesson-hero h1{font-size:clamp(33px,4.3vw,52px);line-height:1.12;font-weight:800;letter-spacing:-1.3px}
#world-platform .w-lesson-hero p:not(.eyebrow):not(.hero-note){font-size:20px;line-height:1.6;color:#476679;margin-top:12px}
#world-platform .w-lesson-hero .eyebrow{margin-bottom:11px;font-size:14px}
#world-platform .w-lesson-hero .hero-note{font-size:15px;line-height:1.4}
#world-platform .w-welcome.guide-welcome{display:block;margin:22px 0 28px;padding:32px;border:3px solid white;border-radius:29px;background:linear-gradient(125deg,#fff9dc 0%,#f9fdff 53%,#d9f5f0 100%);box-shadow:0 10px 0 #cde6ec80,0 20px 45px #285f7e0d}
#world-platform .welcome-layout{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(260px,.9fr);gap:35px;align-items:center}
#world-platform .welcome-copy h2{font-size:clamp(29px,3.4vw,41px);line-height:1.17;color:#204b64}
#world-platform .welcome-copy>p{font-size:21px;line-height:1.55;color:#476679;margin-top:18px}
#world-platform .welcome-copy .eyebrow{font-weight:750;letter-spacing:1.8px;text-transform:uppercase}
#world-platform .welcome-trail{display:flex;gap:10px;padding:0;margin:24px 0 0;list-style:none}
#world-platform .welcome-trail li{flex:1;min-width:0;padding:12px 11px;border:2px solid #e7d994;border-radius:15px;background:#fffdf2;font-size:16px;line-height:1.35;color:#705b24;text-align:center}
#world-platform .welcome-trail li:nth-child(2){border-color:#abd8d2;background:#eefaf7;color:#276f68}
#world-platform .welcome-trail li:nth-child(3){border-color:#bdcfea;background:#f0f6ff;color:#3b6893}
#world-platform .welcome-art{max-width:450px;width:100%;margin:auto}
#world-platform .welcome-art .w-photo img{height:300px;object-fit:contain;background:#e8f6f6}
#world-platform .welcome-art .w-photo{border:2px solid white;box-shadow:0 8px 0 #cde6ec70}
#world-platform .welcome-copy .actions{margin-top:25px}
#world-platform .w-btn{border-radius:15px;font-weight:750;line-height:1.35}
#world-platform .w-btn.primary{background:#078f93;border-color:#078f93;box-shadow:0 4px 0 #006e73}
#world-platform .w-btn.primary:hover{background:#087a80}
#world-platform .w-welcome-plan{border:1px solid #cce1e8;border-radius:16px;background:#f6fcff;margin:16px 0;padding:14px 18px}
#world-platform .w-welcome-plan summary,#world-platform .w-chapter-menu summary{font-size:17px;font-weight:750;color:#28637a;cursor:pointer}
#world-platform .w-welcome-plan ol{display:grid;grid-template-columns:1fr 1fr;gap:15px;padding-left:22px;margin:20px 0 6px}
#world-platform .w-welcome-plan li{padding:4px 12px;font-size:17px}
#world-platform .w-welcome-plan p{font-size:16px;line-height:1.45;color:#526c79;margin-top:5px}
#world-platform .w-lesson-return{border:0;background:none;color:#2b6d87;padding:5px 0;font-size:15px;text-decoration:underline;text-underline-offset:3px;text-align:left;max-width:100%}
#world-platform .w-chapter-menu{margin:10px 0 18px;border:1px solid #cce1e8;border-radius:16px;background:#f6fcff;overflow:hidden}
#world-platform .w-chapter-menu>summary{padding:12px 17px;min-height:49px;line-height:1.4}
#world-platform .w-chapter-menu>p{font-size:15px;padding:10px 16px;color:#527085}
#world-platform .w-chapter-menu .nav{margin:0;padding:14px;gap:9px;background:transparent;display:flex;flex-wrap:wrap}
#world-platform .w-chapter-menu .nav button{min-width:130px;flex:1;white-space:normal;min-height:59px;font-size:14px;font-weight:750;background:#fff;border:1px solid #cfdfeb;border-radius:12px;color:#265568;padding:10px}
#world-platform .w-chapter-menu .nav button[aria-current="step"]{background:#087f83;color:#fff}
#world-platform .w-chapter-menu>.w-btn{margin:0 14px 14px}
#world-platform .guide-topbar{margin:0 3px 10px;font-size:16px}
#world-platform .guide-chapter{font-size:16px;font-weight:800;color:#147b82}
#world-platform .guide-position{font-size:15px;color:#527085}
#world-platform .w-progress{height:9px;margin-bottom:18px;background:#d8e9ef}
#world-platform .w-stage{padding:28px 30px;min-height:0;border:1px solid #d9e8ed;border-radius:25px;box-shadow:0 7px 0 #d8ebef70,0 18px 40px #3d739a0b;background:#fff}
#world-platform .w-stage-head{margin-bottom:23px}
#world-platform .w-stage h2{font-size:clamp(27px,3vw,35px);line-height:1.2;letter-spacing:-.6px}
#world-platform .w-stage .w-stop-count{font-size:16px;margin-top:12px;color:#4c687b}
#world-platform .w-reading{font-size:19px;line-height:1.55;min-width:0}
#world-platform .w-reading>p{margin:0 0 16px}
#world-platform .w-reading .w-definition{background:#fff8dc;border-left:4px solid #edc052;border-radius:0 12px 12px 0;padding:15px 17px;color:#6f5727;font-size:21px;line-height:1.5}
#world-platform .w-rich-story{grid-template-columns:minmax(0,1.1fr) minmax(260px,1fr);gap:27px;align-items:start}
#world-platform .w-reading-media{min-width:0}
#world-platform .w-photo img{height:300px;object-fit:contain;background:#ecf5f7;display:block;width:100%}
#world-platform .w-photo figcaption{position:static;background:#eef7fa;color:#285367;font-size:16px;line-height:1.4;padding:12px 14px}
#world-platform .w-photo .w-photo-label{position:absolute;right:10px;bottom:10px;border-radius:9px;padding:7px 10px;font-size:13px;background:#fffdf0e8;color:#1a4a5f}
#world-platform .w-photo button{position:relative;width:100%;display:block}
#world-platform .w-photo.portrait .w-photo-label{position:absolute;bottom:10px}
#world-platform .w-observe{margin-top:13px;padding:15px 17px;background:#eef8f2;border:1px solid #cae2d3;border-radius:15px;font-size:17px;line-height:1.45;color:#315f4b}
#world-platform .w-observe b{display:block;margin-bottom:5px}
#world-platform .w-memory{font-size:18px;line-height:1.5;padding:16px 18px;background:#edf8ff;border:1px solid #cae3ef;border-radius:15px;margin-top:17px}
#world-platform .w-interest{margin-top:16px;background:#fff8df;border:1px solid #ead897;border-radius:14px;padding:14px 17px;font-size:17px;line-height:1.5}
#world-platform .w-interest summary{cursor:pointer;font-weight:750;color:#7b6129}
#world-platform .w-interest p{margin-top:12px}
#world-platform .w-gallery-story{display:grid;grid-template-columns:minmax(280px,1.12fr) minmax(0,1fr);gap:26px;align-items:start}
#world-platform .w-gallery-story .w-photo img{height:340px}
#world-platform .w-gallery-strip{display:flex;gap:12px;overflow-x:auto;padding:16px 3px 10px;margin-top:20px;scroll-snap-type:x proximity}
#world-platform .w-gallery-thumb{flex:0 0 140px;border:2px solid #d1e4eb;border-radius:14px;background:#fff;color:#265568;padding:0;overflow:hidden;text-align:center;font-size:14px;line-height:1.3;scroll-snap-align:start}
#world-platform .w-gallery-thumb img{width:100%;height:75px;object-fit:cover;background:#ecf5f7;display:block}
#world-platform .w-gallery-thumb span{display:block;padding:8px}
#world-platform .w-gallery-thumb[aria-pressed=true]{border-color:#dfad40;background:#fff2c4;box-shadow:0 0 0 2px #f4da88}
#world-platform .w-foot{position:static;display:flex;gap:20px;align-items:center;justify-content:space-between;padding:15px 18px;margin:20px 0 0;border-radius:20px;background:#f5fcff;border:1px solid #d4e7ec;z-index:10;box-shadow:0 4px 14px #21445e08}
#world-platform .w-foot .guide-forward{display:flex;gap:18px;align-items:center;justify-content:end}
#world-platform .w-next-hint{font-size:14px;line-height:1.4;color:#527085;max-width:300px;text-align:right}
#world-platform .w-foot .w-btn{font-size:18px;min-height:52px;padding:12px 20px}
#world-platform .w-route-group{border:1px solid #d0e3eb;border-radius:14px;padding:12px}
#world-platform .w-route-group summary{font-weight:750;cursor:pointer;margin:4px}
#world-platform .w-route-group button{width:100%;margin-top:9px;text-align:left;justify-content:start}
#world-platform .w-popup-story{display:grid;gap:20px;margin-top:20px}
#world-platform .w-popup-story .w-photo{max-width:650px;margin:auto;width:100%}
#world-platform .w-recap-title{font-size:24px;color:#286f86;font-weight:750;margin-top:12px}
#world-platform .w-expedition-map-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(260px,1fr);gap:23px;align-items:start;margin-top:20px}
#world-platform .w-expedition-map-side{min-width:0}
#world-platform .w-expedition-map-layout .w-map-frame{margin-top:0!important;border:2px solid #cae4ec;border-radius:17px;overflow:hidden}
#world-platform .w-expedition-map-layout .w-map-frame>svg{max-height:450px;width:100%;display:block}
#world-platform .w-map-detail.w-map-reading{display:block;margin:0;padding:20px;border:2px solid #cae3ef;background:#edf8ff;border-radius:19px;min-width:0}
#world-platform .w-map-reading h3{font-size:24px;color:#22648b;margin-bottom:10px}
#world-platform .w-map-reading p{font-size:18px;line-height:1.55;margin-top:12px}
#world-platform .w-map-reading .w-photo{margin-top:16px;width:100%}
#world-platform .w-map-reading .w-photo img{display:block;height:210px;object-fit:contain}
#world-platform .w-map-reading .w-photo figcaption{font-size:14px}
#world-platform .w-map-reading .w-photo-label{font-size:12px}
#world-platform .w-expedition-map-side .w-map-inset{width:205px;margin:14px 0 0;max-width:100%;border-radius:14px}
#world-platform .w-expedition-map-side .w-map-inset svg{max-height:115px}
#world-platform .w-expedition-map-side .w-map-inset .w-map-caption{font-size:13px;margin:6px}
#world-platform .w-map-toolbar{display:flex;flex-wrap:wrap;gap:9px;margin:0 0 14px}
#world-platform .w-map-point.hovered circle,#world-platform .w-map-point:hover circle,#world-platform .w-map-point:focus-visible circle{fill:#e88936;stroke:white;filter:drop-shadow(0 0 3px #bd6b32)}
#world-platform .w-geo.hovered,#world-platform .w-geo:hover,#world-platform .w-geo:focus-visible{stroke:#f29b38;filter:drop-shadow(0 0 2px #e3ae50)}
#world-platform .w-country-hit{cursor:pointer;transition:fill .12s;outline:none;pointer-events:auto}
#world-platform .w-country-hit.hovered,#world-platform .w-country-hit:hover,#world-platform .w-country-hit:focus-visible{fill:#f8cb72;stroke:#b78035}
#world-platform .w-map-point text.w-map-label{fill:#18445b;paint-order:stroke;stroke:#fff;stroke-linejoin:round}
#world-platform .relief-feature.hovered{filter:drop-shadow(0 0 4px #dc973a)}
#world-platform .w-map-instruction{font-size:17px;line-height:1.5;color:#4c687b}
#world-platform .w-explore-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(230px,1fr);gap:23px;margin-top:22px;align-items:start}
#world-platform .w-specific-art{border:2px solid #d2e6ec;border-radius:19px;overflow:hidden}
#world-platform .w-specific-art svg{width:100%;max-height:470px;display:block}
#world-platform .w-explore-copy{background:#edf8ff;border:2px solid #cae3ef;border-radius:19px;padding:20px}
#world-platform .w-explore-copy h3{font-size:23px;margin-bottom:12px}
#world-platform .w-explore-copy p{font-size:18px;line-height:1.55}
#world-platform .w-explore-copy .w-photo{margin-top:16px}
#world-platform .w-explore-copy .w-photo img{height:200px}
#world-platform .w-pills{gap:10px;margin-top:18px}
#world-platform .w-pills .w-btn[aria-pressed=true]{background:#fff1c7;border-color:#d5aa51;color:#76541d}
#world-platform .w-pills .w-btn.is-done::after{content:' ✓';color:#19826c}
#world-platform .w-map-dialog{width:min(1150px,96vw);max-width:96vw}
#world-platform .w-dialog-head{position:sticky;top:-25px;padding:8px 0;background:#fff;z-index:20}
#world-platform .w-enlarged-map{background:#d5edf7;border:2px solid #c5e0e7;border-radius:17px;overflow:hidden;touch-action:pan-y}
#world-platform .w-enlarged-map svg{width:100%;height:65vh;min-height:300px;display:block}
#world-platform .w-map-zoom-controls{display:flex;gap:9px;flex-wrap:wrap;margin:15px 0}
#world-platform .w-compare-bars{padding:15px;display:grid;gap:11px;background:#f5fafc}
#world-platform .w-compare-row{display:block;width:100%;border:2px solid transparent;border-radius:12px;background:#e9f4f8;padding:11px 13px;cursor:pointer;color:#244e62;text-align:left}
#world-platform .w-compare-row[aria-pressed=true]{border-color:#dca74a;background:#fff2c9}
#world-platform .w-compare-heading{display:flex;justify-content:space-between;gap:15px;font-size:18px;font-weight:750;line-height:1.35;margin-bottom:9px}
#world-platform .w-compare-track{display:block;height:15px;border-radius:6px;background:#dcebef;overflow:hidden}
#world-platform .w-compare-fill{display:block;height:100%;background:#59afd0;border-radius:6px}
#world-platform .w-compare-row[aria-pressed=true] .w-compare-fill{background:#e9ae4e}
#world-platform .w-water-route{display:grid;gap:7px;background:#eaf6fa;padding:20px;text-align:center}
#world-platform .w-water-stop{padding:16px;border:2px solid #a7cddc;border-radius:15px;background:#fff;color:#244e62;font-size:20px;font-weight:750;line-height:1.4}
#world-platform .w-water-stop[aria-pressed=true],#world-platform .w-water-stop:first-child{background:#fff0be;border-color:#dca74a}
#world-platform .w-water-arrow{font-size:26px;line-height:1;color:#258ba6}
#world-platform .w-specific-art svg.w-connections-svg{max-height:none;min-height:0;height:auto}
#world-platform .w-illustration svg.w-river-parts-svg{max-width:440px;max-height:none;min-height:0;height:auto;margin:auto}
@media(max-width:800px){
 #world-platform .welcome-layout,#world-platform .w-rich-story,#world-platform .w-gallery-story{grid-template-columns:minmax(0,1fr)}
 #world-platform .welcome-art{max-width:450px}
 #world-platform .welcome-art .w-photo img{height:250px}
 #world-platform .w-lesson-hero{padding:26px}
 #world-platform .w-lesson-hero .hero-note{display:none}
 #world-platform .w-rich-story .w-reading-media{order:-1}
 #world-platform .w-expedition-map-layout,#world-platform .w-explore-layout{grid-template-columns:minmax(0,1fr)}
 #world-platform .w-expedition-map-side .w-map-inset{width:175px}
 #world-platform .w-map-detail.w-map-reading{display:grid;grid-template-columns:minmax(0,1fr) minmax(180px,.8fr);gap:17px}
 #world-platform .w-map-reading .w-photo{margin-top:0}
}
@media(max-width:550px){
 #world-platform .w-main.w-lesson-shell{padding:12px 14px 22px}
 #world-platform .w-lesson-masthead .brand{font-size:14px;gap:9px}
 #world-platform .w-lesson-masthead .brandmark{width:34px;height:34px;font-size:24px}
 #world-platform .w-lesson-masthead .small{font-size:11px}
 #world-platform .w-lesson-hero{min-height:0;padding:24px 19px;border-radius:24px;margin-bottom:20px}
 #world-platform .w-lesson-hero p:not(.eyebrow):not(.hero-note){display:none}
 #world-platform .w-lesson-hero h1{font-size:31px}
 #world-platform .w-lesson-hero p:not(.eyebrow):not(.hero-note){font-size:18px}
 #world-platform .w-welcome.guide-welcome{padding:23px 18px;margin:18px 0 25px;border-radius:24px}
 #world-platform .welcome-layout{gap:22px}
 #world-platform .welcome-copy h2{font-size:29px}
 #world-platform .welcome-copy>p{font-size:18px;margin-top:15px}
 #world-platform .welcome-trail{gap:7px;margin-top:20px}
 #world-platform .welcome-trail li{padding:11px 6px;font-size:13px}
 #world-platform .welcome-copy .actions .w-btn{width:100%;font-size:18px}
 #world-platform .w-welcome-plan ol{grid-template-columns:1fr}
 #world-platform .w-stage{padding:22px 17px;border-radius:22px}
 #world-platform .w-stage h2{font-size:27px}
 #world-platform .w-reading{font-size:18px}
 #world-platform .w-reading .w-definition{font-size:20px;padding:13px 15px}
 #world-platform .w-photo img,#world-platform .w-gallery-story .w-photo img{height:230px}
 #world-platform .w-photo figcaption{font-size:14px;padding:10px}
 #world-platform .w-rich-story,#world-platform .w-gallery-story{gap:18px}
 #world-platform .w-gallery-thumb{flex-basis:110px;font-size:13px}
 #world-platform .w-gallery-thumb img{height:65px}
 #world-platform .w-foot{display:grid;grid-template-columns:minmax(70px,.7fr) minmax(0,1.7fr);gap:8px;padding:10px;margin:13px -3px 0}
 #world-platform .w-foot .guide-forward{display:contents}
 #world-platform .w-next-hint{grid-column:1/-1;grid-row:1;max-width:none;text-align:center;font-size:12px}
 #world-platform .w-foot .guide-back{grid-column:1;grid-row:2}
 #world-platform .w-foot .guide-forward>.w-btn{grid-column:2;grid-row:2}
 #world-platform .w-foot .w-btn{font-size:15px;padding:10px 12px;min-height:50px;width:100%}
 #world-platform .guide-chapter{font-size:14px}
 #world-platform .guide-position{font-size:12px}
 #world-platform .w-course-top{display:flex;gap:12px;align-items:center}
 #world-platform .w-memory,#world-platform .w-observe{font-size:17px}
 #world-platform .w-map-detail.w-map-reading{display:block;padding:17px}
 #world-platform .w-map-reading .w-photo{margin-top:16px}
 #world-platform .w-map-reading .w-photo img{height:220px}
 #world-platform .w-expedition-map-layout .w-map-frame>svg{max-height:310px}
 #world-platform .w-map-toolbar .w-btn{font-size:14px}
 #world-platform .w-specific-art svg{max-height:360px}
 #world-platform .w-explore-copy{padding:17px}
 #world-platform .w-dialog-head{top:-18px}
 #world-platform .w-compare-bars{padding:10px;gap:8px}
 #world-platform .w-compare-heading{font-size:16px;gap:10px}
 #world-platform .w-water-route{padding:14px}
 #world-platform .w-water-stop{font-size:18px;padding:13px}
}
@media print{
 #world-platform .w-lesson-masthead,#world-platform .w-lesson-return,#world-platform .w-chapter-menu,#world-platform .w-welcome-plan{display:none!important}
 #world-platform .w-main.w-lesson-shell{max-width:none;padding:0}
 #world-platform .w-stage.w-print-ready{display:block!important;padding:0;border:0;background:white;box-shadow:none}
 #world-platform .w-stage.w-print-ready h2{font-size:18pt}
}