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solid white;background:#cfac75;color:#173b31;font-size:22px;animation:pulse 2.4s infinite}.spot1{top:28%;left:47%}.spot2{top:52%;left:61%}.spot3{top:70%;left:42%}.clue-panel{padding:35px;background:#f3f3eb}.clue-panel h3{font:24px 'Noto Serif SC',serif}.clue-panel p{font-size:14px;min-height:100px;color:#62786c}.clue-progress{font-size:12px;margin:15px 0 35px}.quiz-box{background:#f8f7ef;padding:40px;max-width:800px}.quiz-box h3{font:600 24px/1.7 'Noto Serif SC',serif;margin:18px 0 30px}.quiz-options{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}.quiz-option{padding:16px;text-align:left;background:white;border:1px solid #e2e4d9;font-size:13px}.quiz-option:hover{border-color:#b5a076}.quiz-option.correct{background:#e1ede3;border-color:#7dac82}.quiz-option.wrong{background:#f6e5df;border-color:#cc9381}.quiz-feedback{min-height:38px;font-size:12px;color:#718473}.score{color:#ba9561}.ai-layout{display:grid;grid-template-columns:1fr 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button{margin-top:12px}.ai-hint{font-size:11px;color:#a6a9a1;margin:0}.ai-result{padding:0;position:sticky;top:20px}.result-head{display:flex;align-items:center;justify-content:space-between;padding:18px 25px;border-bottom:1px solid #e9ebe2}.result-status{font-size:11px;color:#7b9683}.result-status i{display:inline-block;width:7px;height:7px;border-radius:50%;background:#81a686;margin-right:7px}.result-head button{background:none;border:0;color:#7b897d;font-size:11px;margin-left:10px}.ai-result-body{min-height:535px;max-height:800px;overflow:auto;padding:35px;white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px;line-height:2.1;color:#3c5a48}.ai-placeholder{text-align:center;display:flex;align-items:center;justify-content:center;flex-direction:column;min-height:430px}.ai-placeholder>span{font-size:70px;color:#bc9b68;animation:spin 20s linear infinite}.ai-placeholder h3{font:600 24px/1.7 'Noto Serif SC',serif;margin:17px 0}.ai-placeholder p{font-size:11px;color:#87978a;max-width:280px}.ai-result-foot{background:#f1f2ea;padding:19px 27px;font-size:10px;color:#919a90}.toast{position:fixed;z-index:99;bottom:30px;left:50%;transform:translate(-50%,130px);background:#204738;color:#fff;padding:13px 24px;box-shadow:0 10px 35px #0003;font-size:12px;transition:.3s}.toast.show{transform:translate(-50%,0)}.backtop{position:fixed;z-index:19;right:24px;bottom:25px;width:40px;height:40px;background:#d6b475;color:#24433a;border:0;opacity:0;pointer-events:none;transition:.3s}.backtop.show{opacity:1;pointer-events:auto}.reveal{opacity:0;transform:translateY(32px);transition:opacity .8s,transform .8s}.reveal.visible{opacity:1;transform:translateY(0)}.delay1{transition-delay:.14s}#progress{position:fixed;top:0;left:0;height:3px;background:#d5ad68;z-index:100;width:0;pointer-events:none}#cursor-glow{position:fixed;pointer-events:none;z-index:10;width:270px;height:270px;border-radius:50%;background:radial-gradient(circle,#eac47b0b,transparent 65%);transform:translate(-50%,-50%)}.ripple-wave{position:absolute;border-radius:50%;background:#ffffff60;transform:scale(0);animation:ripple .6s linear;pointer-events:none}@keyframes ripple{to{transform:scale(4);opacity:0}}@keyframes fadeUp{from{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}@keyframes artFloat{50%{transform:translateY(-15px)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes bounce{50%{transform:translateY(7px)}}@keyframes pulse{50%{box-shadow:0 0 0 14px #ffffff30}}
@media(max-width:1200px){.topbar{padding:0 20px}.nav{gap:12px}.nav a{font-size:11px}.top-cta{display:none}.culture-grid{grid-template-columns:repeat(3,1fr)}.resource-grid{grid-template-columns:repeat(3,1fr)}.lesson-grid.four{grid-template-columns:repeat(2,1fr)}}
@media(max-width:850px){.container{width:min(100% - 36px,650px)}.topbar{height:70px}.menu-toggle{display:block;border:0;background:transparent;font-size:24px}.nav{display:none;position:absolute;top:70px;left:0;right:0;background:white;padding:10px 20px 22px;box-shadow:0 10px 25px #0002;flex-direction:column;align-items:stretch;gap:0}.nav.open{display:flex}.nav a{padding:13px;border-bottom:1px solid #eee}.nav a.active:after{display:none}.hero-inner,.split-feature,.ai-layout,.article-layout{grid-template-columns:1fr;gap:36px}.hero{min-height:0}.hero-inner{padding:62px 0}.hero h1{font-size:38px}.hero-art{height:340px}.palace-svg{max-width:390px}.orbit{width:300px;height:300px}.orbit-two{width:360px;height:360px}.art-caption{left:1%;top:5%}.art-stamp{right:0;bottom:0}.scroll-prompt{display:none}.section{padding:60px 0}.section h2{font-size:30px}.culture-grid,.resource-grid,.simple-grid,.timeline{grid-template-columns:repeat(2,1fr)}.lesson-grid{grid-template-columns:repeat(2,1fr)}.feature-board{max-width:480px;margin:0 auto}.footer-top{grid-template-columns:repeat(2,1fr)}.footer-bottom{flex-direction:column}.route-card{grid-template-columns:40px 80px 1fr 25px;gap:10px;padding:15px}.route-emoji{width:70px;height:70px;font-size:35px}.route-card h3{font-size:19px}.route-card p{font-size:10px}.toolbar{flex-direction:column;align-items:stretch}#resourceSearch{width:100%}.sidebar-card,.ai-result{position:static}.hanzi-cards{grid-template-columns:repeat(4,1fr)}.museum-exhibit,.rhyme-layout{grid-template-columns:1fr}.lab-stage{padding:22px}.ai-result-body{min-height:330px}.ai-placeholder{min-height:300px}}
@media(max-width:530px){.brand-lines b{font-size:16px}.hero h1{font-size:32px}.hero-actions{gap:8px}.hero-metrics{gap:17px}.hero-metrics strong{font-size:25px}.section-heading{align-items:start;flex-direction:column}.culture-grid{grid-template-columns:repeat(2,1fr);gap:9px}.culture-card{min-height:220px;padding:20px 14px}.culture-icon{font-size:32px;margin-bottom:28px}.culture-card h3{font-size:18px}.culture-card p{font-size:10px}.lesson-grid,.lesson-grid.four,.resource-grid,.simple-grid,.timeline{grid-template-columns:1fr}.footer-top{gap:28px;grid-template-columns:1fr 1fr}.footer-top>div:first-child{grid-column:span 2}.page-hero{padding:80px 0;min-height:280px}.page-hero h1{font-size:31px}.article{padding:25px 20px}.story-panel{padding:24px;font-size:15px}.route-card{grid-template-columns:30px 60px 1fr 15px}.route-emoji{width:55px;height:55px;font-size:28px}.route-no{font-size:21px}.route-card .eyebrow{display:none}.lab-tabs{display:grid;grid-template-columns:1fr 1fr}.lab-tab{padding:12px 5px}.hanzi-cards{grid-template-columns:repeat(3,1fr)}.hanzi-card{height:110px}.lab-heading{align-items:start;flex-direction:column}.quiz-options{grid-template-columns:1fr}.museum-stage{height:340px}.exhibit-object{font-size:135px}.ai-modes{grid-template-columns:1fr 1fr}.ai-mode{padding:12px}.deliverables>div{grid-template-columns:32px 1fr}.deliverables b{grid-column:2;text-align:left}.budget-table>div{grid-template-columns:1fr 80px}.budget-table>div span:last-child{grid-column:span 2}.teaching-flow{flex-direction:column;align-items:start}.feature-list{grid-template-columns:1fr}.hero-art{height:285px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none}}

/* V2 playful adventure */
.mission-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(205px,1fr));gap:18px;margin:35px 0}.mission-card{cursor:pointer;text-align:left;border:1px solid #d8d3c6;background:#fffdf5;padding:24px;border-radius:20px;display:flex;flex-direction:column;gap:14px;color:#2a4239;box-shadow:0 10px 22px #122b2210;transition:transform .25s,box-shadow .25s}.mission-card:hover{transform:translateY(-8px) rotate(-1deg);box-shadow:0 18px 36px #122b2222}.mission-card span{font-size:43px}.mission-card small{color:#8d6642}.mission-stage{max-width:850px;margin:22px auto;padding:35px;border-radius:28px;background:linear-gradient(140deg,#fdf5dc,#e6f1e8);box-shadow:0 24px 64px #172f2320}.mission-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(155px,1fr));gap:13px;margin:22px 0}.mission-choice{background:white;border:2px solid #ddd4bc;border-radius:13px;cursor:pointer;padding:18px;font-size:17px;transition:.2s}.mission-choice:hover{background:#f9dca5;transform:scale(1.02)}.mission-stage .btn{margin:9px}.mission-score{text-align:center;font-weight:700;font-size:20px;margin:24px}.ai-modes{grid-template-columns:repeat(2,minmax(0,1fr))}@media(max-width:650px){.mission-stage{padding:18px}.mission-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.mission-card{padding:13px}.ai-modes{grid-template-columns:1fr}}

/* Culture content update (keeps V2 page motion and visual identity) */
.culture-route-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.culture-route-item{border-radius:20px;display:flex;flex-direction:column;overflow:hidden;background:#fff;box-shadow:0 12px 45px #263e3214;color:#233c35;text-decoration:none;transition:transform .3s,box-shadow .3s}
.culture-route-item:hover{transform:translateY(-8px);box-shadow:0 20px 55px #263e3229}
.culture-route-item img{height:220px;width:100%;object-fit:cover;background:#e8eadf}
.culture-route-caption{padding:26px;flex:1}.culture-route-caption h3{font-size:1.5rem;margin:12px 0}.culture-route-caption p{line-height:1.8}.culture-route-caption>span:last-child{display:block;margin-top:18px;color:#996e48;font-weight:700}
.culture-gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:18px;margin:32px 0 70px}.culture-image{margin:0;background:white;border-radius:14px;overflow:hidden;box-shadow:0 6px 20px #00000012}.culture-image img{width:100%;height:200px;object-fit:cover;display:block;transition:transform .5s}.culture-image:hover img{transform:scale(1.07)}.culture-image figcaption{padding:12px 15px;font-size:14px;color:#40584d}
.culture-chapters{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:14px;margin:25px 0 60px}.culture-unit{display:flex;align-items:center;gap:16px;border:1px solid #d7dfd7;border-radius:12px;padding:20px;background:#fff;color:#253d37;text-decoration:none;transition:transform .2s}.culture-unit:hover{transform:translateX(4px)}.culture-unit>span{font-size:20px;color:#ba9677}.culture-unit strong{flex:1}.culture-unit small{white-space:nowrap;color:#587769}
.culture-task-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(225px,1fr));gap:18px;margin:24px 0}.culture-task{background:#f6f3e9;border-radius:16px;padding:22px;margin-bottom:12px;color:#2a403b}.culture-task h3{font-size:1.15rem;margin:0 0 12px}.culture-task p{line-height:1.9;margin:0}
.culture-read-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(270px,1fr);gap:35px}.culture-reading{padding:34px;background:white;border-radius:18px;box-shadow:0 10px 35px #203d3612}.culture-reading p{font-size:1.12rem;line-height:2.2;white-space:pre-wrap;margin:18px 0}.culture-aside{align-self:start}.culture-hero-image{display:block;width:100%;max-height:390px;object-fit:contain;background:#f1f0e9;border-radius:16px;margin:20px auto 30px}.culture-story{white-space:pre-line;line-height:2}
@media(max-width:760px){.culture-read-layout{grid-template-columns:1fr}.culture-reading{padding:22px}.culture-route-grid{grid-template-columns:1fr}.culture-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}.culture-image img{height:150px}.culture-unit{padding:15px}}

/* Reader & exploration content fix 2026-10-17 */
.reader-directory-card{transition:transform .22s,border-color .22s,box-shadow .22s!important}
.reader-directory-card:hover{transform:translateY(-4px);border-color:#bda57b!important;box-shadow:0 16px 32px #173f3822!important}
.exploration-stations{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin:35px 0 70px}
.exploration-station{overflow:hidden;border-radius:18px;background:white;box-shadow:0 12px 30px #163f3814;border:1px solid #e5e9df}
.exploration-photo{background:#eef0e8;aspect-ratio:1.6;overflow:hidden}
.exploration-photo img{display:block;width:100%;height:100%;object-fit:cover}
.exploration-body{padding:25px}.exploration-body h3{font-size:23px;margin:5px 0 12px}.exploration-body p{font-size:14px;color:#526e60}
.exploration-prompt{padding:18px;background:#f7f4e9;border-radius:10px;margin:17px 0}.exploration-prompt p{margin:7px 0 0}
.explore-done{border:1px solid #bcccbf;background:white;color:#254c3c;padding:12px 18px;border-radius:9px;font-weight:700}
.explore-done[aria-pressed=true]{background:#e7f1e7;border-color:#6c9b7e}
@media(max-width:760px){.exploration-stations{grid-template-columns:1fr}.reader-directory{grid-template-columns:1fr!important}}