/* Character subsets are loaded by shared/fonts/wenkai.css. Original TTF is retained for rebuilding. */
:root{font-family:"LXGW WenKai","PingFang SC","Microsoft YaHei",serif;color:#20254f;--ink:#20254f;--green:#254a43;--paper:#fff8e9;font-synthesis:none}*{box-sizing:border-box}body{margin:0;background-color:var(--paper);background-image:linear-gradient(#d6dbe644 1px,transparent 1px),linear-gradient(90deg,#d6dbe644 1px,transparent 1px);background-size:26px 26px}button,input,select{font:inherit;color:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit}button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid #3c68ff;outline-offset:5px}button:disabled{cursor:wait;opacity:.55}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.lobby-header{max-width:1140px;margin:0 auto;padding:28px 28px 20px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{text-decoration:none;display:flex;align-items:center;gap:12px;font-size:29px;font-weight:500;line-height:1.1}.brand small{display:block;font-size:12px;margin-top:6px;letter-spacing:1px}.brand-mark{background:#ffd165;border:3px solid var(--ink);border-radius:18px;box-shadow:0 4px 0 var(--ink);width:56px;height:56px;display:grid;place-items:center;font-size:35px;transform:rotate(-7deg)}.header-actions{display:flex;align-items:center;gap:12px}.small-button,.icon-button{border:2px solid var(--ink);background:#fffdf8;box-shadow:0 3px 0 var(--ink);border-radius:12px;padding:9px 16px;font-size:15px}.icon-button{width:38px;height:38px;padding:0;border-radius:50%;font-size:24px}.small-button:active,.icon-button:active,.action-button:active{transform:translateY(2px);box-shadow:0 1px 0 var(--ink)}
.lobby-main{max-width:1140px;margin:auto;padding:6px 28px 30px}.hero{position:relative;padding:23px 4px 30px}.eyebrow{display:inline-flex;gap:8px;align-items:center;background:#e6f1df;border:1.5px solid #6b8a61;border-radius:30px;padding:6px 12px;font-size:13px;color:var(--green)}.eyebrow i{width:7px;height:7px;border-radius:50%;background:#56895e}.hero h1{font-size:clamp(32px,4.6vw,56px);letter-spacing:1px;font-weight:500;line-height:1.3;margin:15px 0 9px}.hero h1 span{position:relative;color:var(--green);white-space:nowrap}.hero h1 span:after{position:absolute;content:'';bottom:2px;left:0;right:0;height:10px;background:#ffcf6c;z-index:-1;border-radius:40%}.hero p{font-size:16px;color:#696b79;margin:0 0 20px;line-height:1.6}.hero-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px}.summary{display:flex;align-items:center;gap:28px;font-size:13px}.summary span{display:flex;align-items:baseline;gap:8px}.summary b{font-size:25px;font-weight:500;color:var(--green)}.continue-button{border:2px solid var(--ink);background:#ffda7e;box-shadow:0 3px 0 var(--ink);border-radius:30px;padding:9px 18px;font-size:14px;white-space:nowrap}.hero-spark{position:absolute;color:#e7a02f;font-size:65px;right:90px;top:18px;transform:rotate(15deg);pointer-events:none}.spark-two{font-size:32px;right:35px;top:102px;color:#678e87}
.section-heading{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:5px 0 15px}.section-heading h2{font-size:20px;font-weight:500;margin:0}.section-heading span{font-size:12px;color:#7b7d8a}.mode-cards{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:22px}.mode-card{position:relative;grid-column:span 2;border:3px solid var(--ink);border-radius:24px;padding:0;overflow:hidden;text-align:left;background:white;box-shadow:0 6px 0 var(--ink);transition:transform .18s,box-shadow .18s;isolation:isolate}.mode-card:nth-child(-n+2){grid-column:span 3}.mode-card:hover{transform:translateY(-4px);box-shadow:0 10px 0 var(--ink)}.card-scene{height:169px;position:relative;overflow:hidden;background:var(--accent)}.card-background{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.46}.card-scene:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,var(--accent) 0%,transparent 95%);z-index:0}.card-copy{position:relative;z-index:2;padding:23px 21px;width:65%}.card-copy small{display:block;font-size:12px;letter-spacing:2px;color:#57606a;margin-bottom:10px}.card-copy h3{margin:0 0 9px;font-weight:500;font-size:32px;line-height:1.15}.card-copy p{font-size:12px;margin:0;color:#525965}.card-boy{position:absolute;height:160px;width:150px;object-fit:contain;right:3px;bottom:-2px;z-index:1;filter:drop-shadow(0 6px 0 #20254f18);transition:transform .25s}.mode-card:nth-child(-n+2) .card-boy{height:183px;width:185px;right:20px;bottom:-6px}.mode-card:hover .card-boy{transform:rotate(4deg) translateY(-4px)}.card-bottom{padding:15px 19px;background:#fffef9}.card-count{font-size:17px;display:flex;justify-content:space-between;align-items:center;gap:8px}.card-arrow{display:grid;place-items:center;background:var(--accent);border:1.5px solid var(--ink);width:29px;height:29px;border-radius:50%;font-size:18px}.card-detail{margin:6px 0 10px;font-size:12px;color:#797b88;line-height:1.5}.card-progress{padding-top:9px;border-top:1px dashed #cacbd0;font-size:12px;color:#54725e;display:flex;justify-content:space-between}.lobby-footer{display:flex;justify-content:space-between;gap:15px;font-size:12px;color:#7b7d8a;margin-top:27px;padding:0 3px;line-height:1.6}.lobby-footer button,.text-button{border:0;background:transparent;color:var(--green);padding:0;text-decoration:underline;text-underline-offset:4px}
.mode-header{position:relative;z-index:3;background:#fffaf0f5;min-height:64px;padding:9px max(18px,env(safe-area-inset-left));display:flex;align-items:center;justify-content:space-between;border-bottom:2px solid var(--ink);gap:10px}.mode-header strong{font-weight:500;font-size:20px}.mode-header select{border:2px solid var(--ink);border-radius:12px;background:#fffef9;padding:7px 10px;max-width:135px;font-size:14px}.mode-header .small-button{font-size:14px;padding:7px 12px}.mode-view-open{overflow:hidden}#mode-view{height:100dvh;display:flex;flex-direction:column}#frame-holder{position:relative;flex:1;min-height:0}#frame-holder iframe{width:100%;height:100%;border:0;display:block}#mode-loading{position:absolute;inset:40% 0 auto;text-align:center;z-index:2;pointer-events:none;background:#fff8e9;padding:20px}
dialog{width:min(620px,calc(100% - 28px));border:3px solid var(--ink);border-radius:24px;padding:24px;background:#fffdf5;color:var(--ink);box-shadow:0 7px 0 var(--ink);max-height:85dvh;overflow:auto}dialog::backdrop{background:#20254f75;backdrop-filter:blur(3px)}.dialog-header{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:15px}.dialog-header h2{font-size:25px;margin:0;font-weight:500}dialog p{font-size:15px;line-height:1.7}.muted{font-size:13px!important;color:#747783}.records-list{display:grid;gap:8px;margin:20px 0}.record-row{border:1.5px solid #d5d8ce;background:#f3f5e9;border-radius:13px;padding:12px;display:flex;justify-content:space-between;gap:10px;font-size:14px}.record-row small{font-size:12px;color:#727783}.record-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.action-button{display:inline-block;border:2px solid var(--ink);border-radius:12px;background:#fff;box-shadow:0 3px 0 var(--ink);padding:10px 14px;font-size:14px;text-decoration:none}.action-button.gold{background:#ffda7e;color:var(--green)}.text-button{font-size:12px;padding:8px 0}.status{font-size:13px!important;color:var(--green);min-height:20px}.import-option{display:flex;align-items:center;gap:10px;padding:12px;margin:8px 0;background:#f5efde;border-radius:12px;font-size:14px}.import-option input{width:20px;height:20px;accent-color:var(--green)}.import-option small{font-size:12px;color:#747783}.credit-card{border:2px solid var(--ink);border-radius:18px;padding:5px 18px 18px;background:#f1f4ee}.leave-actions{display:flex;justify-content:flex-end;gap:12px}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);border:2px solid var(--ink);background:#ffda7e;border-radius:20px;padding:12px 22px;box-shadow:0 4px 0 var(--ink);z-index:10;max-width:90%;font-size:14px;text-align:center}
@media(min-width:1300px){.hero{padding-top:30px;padding-bottom:34px}.card-scene{height:183px}}
@media(max-width:760px){.lobby-header{padding:22px 20px 15px}.lobby-main{padding:0 20px 25px}.brand{font-size:25px}.brand-mark{width:46px;height:46px;font-size:29px}.brand small{font-size:10px}.header-actions{gap:8px}.small-button{padding:8px 11px;font-size:13px}.hero{padding-top:18px}.hero h1{font-size:37px;margin-top:18px}.hero p{font-size:14px;max-width:80%}.hero-bottom{align-items:flex-start;flex-direction:column;gap:14px}.summary{gap:20px}.summary span{gap:6px;font-size:12px}.summary b{font-size:22px}.hero-spark{right:7px;top:35px;font-size:42px}.spark-two{right:8px;top:125px;font-size:24px}.section-heading{align-items:flex-start}.section-heading span{font-size:10px;margin-top:5px}.mode-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:19px 15px}.mode-card,.mode-card:nth-child(-n+2){grid-column:span 1;border-radius:20px}.mode-card:last-child{grid-column:span 2}.card-copy{padding:17px 12px;width:100%}.card-copy small{font-size:10px;letter-spacing:1px;margin-bottom:9px}.card-copy h3{font-size:28px}.card-copy p{font-size:10px}.card-scene{height:180px}.card-boy,.mode-card:nth-child(-n+2) .card-boy{height:114px;width:110px;right:-6px;bottom:-3px;opacity:.98}.card-bottom{padding:12px 12px}.card-count{font-size:15px}.card-detail{font-size:11px;min-height:32px}.card-progress{font-size:10px;gap:6px}.mode-card:last-child .card-scene{height:135px}.mode-card:last-child .card-boy{height:145px;width:160px;right:20px}.mode-card:last-child .card-copy{width:66%}.mode-card:last-child .card-detail{min-height:0}.lobby-footer{flex-direction:column;gap:10px;align-items:center;text-align:center}.mode-header{min-height:59px;padding:8px 10px}.mode-header strong{font-size:16px}.mode-header .small-button{font-size:12px;padding:7px 10px}.mode-header select{font-size:12px;padding:6px 7px;max-width:105px}dialog{padding:20px}.record-row{font-size:13px}.record-row small{font-size:10px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}
@media(max-width:760px){.mode-card:not(:last-child) .card-scene{height:212px}.mode-card:not(:last-child) .card-boy{height:108px;width:110px}.card-count{font-size:13.5px;line-height:1.45}.card-arrow{width:25px;height:25px;flex:none}.card-count>span:first-child{min-width:0}}
#backup-copy{margin:15px 0}#backup-copy label{display:block;font-size:13px;margin-bottom:8px}#backup-text{display:block;width:100%;resize:vertical;min-height:90px;border:2px solid #b5b9ad;border-radius:12px;background:#f6f4eb;padding:10px;margin-bottom:12px;font:11px/1.5 monospace}
.mode-card{text-decoration:none;color:var(--ink)}
.community-section{margin-top:38px;scroll-margin-top:20px}.community-cards{display:grid;grid-template-columns:1.65fr 1fr;gap:22px}.community-card{border:2px solid var(--ink);border-radius:22px;padding:25px;background:#fffdf6;box-shadow:0 4px 0 var(--ink)}.mini-card{display:flex;align-items:center;gap:24px;background:#edf5e8}.community-copy{flex:1;min-width:0}.community-label{font-size:12px;color:#41675c}.community-card h3{font-size:26px;margin:9px 0 12px;font-weight:500}.community-card p{font-size:14px;line-height:1.8;margin:0 0 14px}.community-card .community-note{font-size:12px;color:#59665b}.qr-preview{flex:none;width:180px;padding:8px;border:1px solid #ccd8ca;border-radius:15px;background:white}.qr-preview img{display:block;width:100%;height:auto;border-radius:8px}.support-card{background:#fff2da;position:relative}.support-heart{position:absolute;right:23px;top:17px;font:46px/1 serif;color:#ab6445}.community-card .action-button{min-height:44px}.learning-guide{margin-top:36px;padding:25px 28px;border:1px solid #dedbce;border-radius:20px;background:#fffdf8}.learning-guide h2{font-size:22px;font-weight:500;margin:0 0 14px}.learning-guide h2:not(:first-child){margin-top:28px}.learning-guide p,.learning-guide li{font-size:15px;line-height:1.9;color:#515e55}.learning-guide li{margin-bottom:10px}.subject-links{display:flex;flex-wrap:wrap;gap:12px 20px;margin:20px 0}.subject-links a{font-size:14px;color:var(--green);text-underline-offset:4px;padding:4px 0}.learning-guide details{border-top:1px solid #dedbce;padding:14px 0}.learning-guide summary{cursor:pointer;font-size:15px;line-height:1.7}.learning-guide details p{margin-bottom:0}.no-script{text-align:center;padding:20px;line-height:1.7}.subject-main{max-width:900px;margin:auto;padding:16px 28px 40px}.subject-main>nav{font-size:13px;color:#5c685f}.subject-main .hero p{max-width:780px}.subject-footer{text-align:center;padding:20px 15px 35px;font-size:13px;color:#5c685f}#qr-dialog{width:min(620px,calc(100% - 28px))}#qr-image{display:block;width:100%;height:auto;border-radius:12px;background:white}
@media(max-width:760px){.community-cards{grid-template-columns:1fr}.community-card{padding:21px}.mini-card{gap:16px;flex-wrap:wrap}.community-copy{flex-basis:calc(100% - 150px)}.qr-preview{width:140px}.community-card h3{font-size:24px}.community-card p{font-size:13px}.learning-guide{padding:21px}.learning-guide p,.learning-guide li{font-size:14px}.subject-main{padding:10px 20px 30px}.subject-main .hero p{max-width:none}.community-section{margin-top:32px}}
@media(max-width:420px){.mini-card{display:block}.qr-preview{display:block;width:180px;margin:18px auto 0}.community-copy{width:100%}.community-card .action-button{width:100%;text-align:center}}
#qr-image{max-height:54dvh;object-fit:contain}#qr-dialog .dialog-header{position:sticky;top:-24px;background:#fffdf5;padding-top:5px;padding-bottom:8px;z-index:1}