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#e0e3d4;padding:32px;border-radius:15px}.about-card p{font-size:13px;line-height:2;color:#7c8976}@keyframes fadeout{0%,70%{opacity:1}100%{opacity:0}}@media(min-width:1000px){.game-container{max-width:1200px}.boards{max-width:min(1150px,calc((100vh - 325px)*2.4))}.boards.vertical{max-width:620px}}@media(max-width:900px){.hero{gap:25px}.hero h1{font-size:36px}.level-grid{grid-template-columns:repeat(4,1fr)}.save-note{display:none}.pack{font-size:11px;gap:5px;padding:13px 8px}.pack small{display:none}.game-stats{padding:12px}.game-actions .action-text{display:none}}@media(max-width:600px){header{height:73px;padding:0 19px}.brand strong{font-size:17px}.brand small{font-size:8px;letter-spacing:2px}.brand-mark{width:35px;height:38px}.nav{gap:15px}.nav button{font-size:11px}.container{padding:24px 18px 35px}.hero{display:flex;flex-direction:column;gap:20px;align-items:stretch;margin-bottom:34px}.hero h1{font-size:35px;line-height:1.5;margin:15px 0 10px}.hero p{font-size:12px;margin:0 0 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0;padding:6px 12px}.boards{max-width:calc((100vh - 196px)*2.4);gap:12px}.boards.vertical{max-width:450px}.board{border-width:4px}.board figcaption{padding:2px;font-size:8px}.play-footer{margin:8px auto;max-width:900px}.play-footer p{font-size:9px}.reward-buttons button{padding:8px 13px;font-size:10px}.notice{display:none}.attempts strong{font-size:17px}.game-stats .icon-button{padding:4px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation:none!important}}
/* Keep the entire pair visible on ordinary portrait phones; focus expands details. */
.nav button,.brand strong{white-space:nowrap}
@media(max-width:600px){.brand small{display:none}.nav{gap:13px}.game-stats{flex-wrap:nowrap}.dots{display:none}.game-actions .icon-button{padding:5px}.game-actions{gap:4px}.boards.vertical{max-width:min(100%,max(200px,calc((100dvh - 390px)*.6)))}body.focus-mode .boards.vertical{max-width:100%}}
@media(max-height:560px) and (orientation:landscape){body.focus-mode .boards:not(.vertical){max-width:calc((100dvh - 145px)*2.4)}}

.qpao-demo-notice{display:flex;flex-wrap:wrap;gap:6px 18px;align-items:center;padding:12px 20px;background:#edf1e7;color:#354e3d;font:12px/1.7 Arial,"Microsoft JhengHei",sans-serif}.qpao-demo-notice a{color:inherit;text-decoration:underline;font-weight:600;white-space:nowrap}.qpao-demo-notice span{flex:1;min-width:220px}