:root{--bg:#f7fbf9;--card:#fff;--ink:#17313a;--muted:#5c737b;--line:#dfeae6;--mint:#72d5bd;--mint2:#e1f7f0;--yellow:#ffd37d;--blue:#8fa8ff;--pink:#f49ab0;--shadow:0 18px 50px rgba(24,60,66,.08);--radius:28px;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.wrap{width:min(var(--max),calc(100% - 32px));margin:auto}.site-header{position:sticky;top:0;z-index:50;background:rgba(247,251,249,.9);backdrop-filter:blur(14px);border-bottom:1px solid rgba(223,234,230,.8)}.nav-wrap{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:10px;font-size:21px}.brand-mark{width:32px;height:32px;border-radius:11px;background:#fff;box-shadow:inset 0 0 0 1px var(--line);display:grid;grid-template-columns:repeat(3,1fr);gap:2px;padding:7px;align-items:end}.brand-mark span{display:block;border-radius:5px}.brand-mark span:nth-child(1){height:11px;background:var(--mint)}.brand-mark span:nth-child(2){height:18px;background:var(--yellow)}.brand-mark span:nth-child(3){height:14px;background:var(--blue)}.nav{display:flex;align-items:center;gap:22px;font-size:15px}.nav>a,.nav summary{color:#35525b;font-weight:650;cursor:pointer;list-style:none}.nav details{position:relative}.nav summary::-webkit-details-marker{display:none}.nav-pop{position:absolute;right:0;top:34px;width:230px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);display:grid}.nav-pop a{padding:9px 10px;border-radius:10px}.nav-pop a:hover{background:var(--mint2)}.lang{display:flex!important;align-items:center;gap:6px}.nav-toggle{display:none;background:none;border:0;padding:8px;color:var(--ink)}.icon{vertical-align:middle;flex:0 0 auto}.hero{padding:68px 0 48px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:42px}.eyebrow,.kicker{display:inline-block;font-size:13px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:#3c7e70}.hero h1,.page-hero h1,.game-hero h1{font-size:clamp(44px,6vw,78px);line-height:1.02;letter-spacing:-.048em;margin:14px 0 20px;max-width:760px}.hero p,.page-hero p,.game-hero p{font-size:clamp(18px,2vw,22px);color:var(--muted);max-width:730px}.hero-visual{position:relative}.hero-visual img{position:relative;z-index:2}.orb{position:absolute;border-radius:50%;filter:blur(1px)}.orb-a{width:180px;height:180px;background:#d9f4ec;left:-40px;bottom:15px}.orb-b{width:100px;height:100px;background:#ffe8b9;right:20px;top:10px}.age-picker{margin-top:30px;background:#fff;padding:13px 14px 13px 18px;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);display:flex;align-items:center;gap:18px;width:min(520px,100%)}.age-picker label{font-weight:750;flex:1}.select-wrap select{font:inherit;font-weight:700;color:var(--ink);background:var(--mint2);border:0;border-radius:13px;padding:11px 38px 11px 14px;cursor:pointer}.section{padding:44px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}.section-head h2,.trust-card h2,.seo-box h2,.game-copy h2{font-size:clamp(28px,4vw,42px);line-height:1.08;letter-spacing:-.03em;margin:5px 0 0}.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.category-tile{background:#fff;border:1px solid var(--line);border-radius:22px;padding:17px;display:flex;align-items:center;gap:14px;transition:.18s ease}.category-tile:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.category-tile img{width:64px;height:64px}.category-tile strong{display:block;font-size:16px}.category-tile span{display:block;color:var(--muted);font-size:13px;margin-top:3px}.games-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.games-grid.four{grid-template-columns:repeat(4,1fr)}.game-card{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:0 8px 30px rgba(24,60,66,.035);display:flex;flex-direction:column;min-width:0}.game-art{display:block;background:#f1f8f5;aspect-ratio:16/10;overflow:hidden}.game-art img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}.game-card:hover .game-art img{transform:scale(1.025)}.game-card-body{padding:18px 19px 20px;display:flex;flex-direction:column;flex:1}.game-meta{font-size:12px;color:#557079;font-weight:750;margin-bottom:7px}.game-card h3{font-size:20px;line-height:1.18;margin:0 0 8px;letter-spacing:-.02em}.game-card p{margin:0 0 16px;color:var(--muted);font-size:14px;flex:1}.text-link{display:inline-flex;align-items:center;gap:6px;color:#267f6b;font-weight:800;font-size:14px}.result-count{color:var(--muted);font-size:14px}.center{text-align:center;margin-top:24px}.button{appearance:none;border:0;border-radius:14px;padding:12px 18px;background:var(--ink);color:#fff;font:inherit;font-weight:800;cursor:pointer}.button.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}.small-btn{padding:8px 12px;font-size:13px}.trust-card{background:#17313a;color:#fff;border-radius:32px;padding:34px;display:grid;grid-template-columns:.8fr 1.2fr;gap:34px}.trust-card .kicker{color:#93dbc9}.trust-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}.trust-list div{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.08);border-radius:14px;padding:13px 14px}.seo-box,.prose{background:#fff;border:1px solid var(--line);border-radius:28px;padding:30px;max-width:950px}.seo-box p,.prose p{color:var(--muted);font-size:17px}.age-links,.filters,.tag-row{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px}.age-links a,.filter,.tag-row a{background:var(--mint2);color:#286e5f;border-radius:999px;padding:9px 13px;font-weight:750;font-size:14px}.filter span{opacity:.7;margin-left:3px}.page-hero,.game-hero{padding:52px 0 26px}.page-hero h1,.game-hero h1{font-size:clamp(38px,5vw,62px)}.page-hero-grid,.game-heading{display:grid;grid-template-columns:1fr 340px;align-items:center;gap:30px}.page-hero-grid img,.game-heading img{justify-self:end}.crumbs{padding-top:22px}.crumbs ol{list-style:none;padding:0;margin:0;display:flex;gap:8px;flex-wrap:wrap;font-size:13px;color:#6b8086}.crumbs li:not(:last-child)::after{content:"/";margin-left:8px;color:#9aacb1}.game-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start}.game-shell{background:#fff;border:1px solid var(--line);border-radius:28px;overflow:hidden;box-shadow:var(--shadow)}.game-toolbar,.game-footer{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 16px;border-bottom:1px solid var(--line)}.game-footer{border-top:1px solid var(--line);border-bottom:0;min-height:58px}.game-label{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:#6b8086;font-weight:800}.icon-button{width:42px;height:42px;border-radius:13px;border:1px solid var(--line);background:var(--bg);display:grid;place-items:center;color:var(--ink);cursor:pointer}.game-stage{min-height:430px;padding:24px;display:grid;place-items:center;background:linear-gradient(#fbfdfc,#f3f9f6)}.game-copy{margin-top:22px;background:#fff;border:1px solid var(--line);border-radius:26px;padding:28px}.game-copy h2{font-size:27px;margin-top:22px}.game-copy h2:first-child{margin-top:0}.game-copy p{color:var(--muted)}.side-card{position:sticky;top:94px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:17px}.side-card>img{border-radius:18px;margin-bottom:18px}.side-card h3{margin:16px 0 4px;font-size:14px}.side-card p{margin:0;color:var(--muted)}.notice{background:#f2f7f5;border-radius:14px;padding:13px!important;color:#456169!important}.footer{margin-top:60px;padding:42px 0;background:#eef6f3;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.3fr .7fr 1fr;gap:30px}.footer p{color:var(--muted);max-width:430px}.footer-links{display:grid;align-content:start;gap:9px;font-weight:700}.small{font-size:12px}.footer-brand{margin-bottom:8px}.hidden{display:none!important}
/* game UI */.choice-grid{width:min(620px,100%);display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.choice{min-height:88px;border:2px solid #dce9e5;background:#fff;border-radius:20px;font:inherit;font-size:28px;font-weight:800;color:var(--ink);cursor:pointer;display:grid;place-items:center;padding:12px;transition:.12s}.choice:hover{border-color:#8fcfbe;transform:translateY(-1px)}.choice.good{background:#e1f7f0;border-color:#72d5bd}.choice.bad{background:#ffe7ec;border-color:#f4a0b4}.prompt{font-size:clamp(26px,5vw,44px);font-weight:850;letter-spacing:-.03em;text-align:center;margin-bottom:22px}.subprompt{font-size:15px;color:var(--muted);text-align:center;margin:-14px 0 20px}.memory-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;width:min(620px,100%)}.memory-card{aspect-ratio:1;border:0;border-radius:18px;background:#dff3ed;cursor:pointer;position:relative;overflow:hidden}.memory-card .front{position:absolute;inset:0;display:grid;place-items:center;opacity:0;transform:scale(.7);transition:.16s}.memory-card .back{position:absolute;inset:0;display:grid;place-items:center;color:#3d806f}.memory-card.open .front,.memory-card.done .front{opacity:1;transform:scale(1)}.memory-card.open .back,.memory-card.done .back{opacity:0}.token-svg{width:72%;height:72%}.count-board{width:min(560px,100%);min-height:230px;background:#fff;border-radius:24px;border:1px solid var(--line);display:flex;flex-wrap:wrap;align-content:center;justify-content:center;gap:10px;padding:24px;margin-bottom:18px}.count-dot{width:34px;height:34px;border-radius:11px;background:var(--mint)}.pattern-row{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:22px}.pattern-token{width:64px;height:64px;border-radius:18px;display:grid;place-items:center;font-size:27px;font-weight:850}.maze-wrap{display:grid;gap:14px;justify-items:center}.maze{display:grid;background:#17313a;border:4px solid #17313a;border-radius:16px;overflow:hidden;max-width:100%}.maze-cell{width:min(54px,8vw);aspect-ratio:1;background:#fff;position:relative}.maze-cell.wall-top{border-top:3px solid #17313a}.maze-cell.wall-right{border-right:3px solid #17313a}.maze-cell.wall-bottom{border-bottom:3px solid #17313a}.maze-cell.wall-left{border-left:3px solid #17313a}.maze-cell.player::after{content:"";position:absolute;inset:21%;border-radius:50%;background:#72d5bd;box-shadow:0 0 0 4px #fff}.maze-cell.finish::before{content:"";position:absolute;inset:25%;background:#ffd37d;clip-path:polygon(50% 0,61% 35%,98% 35%,68% 56%,79% 93%,50% 70%,21% 93%,32% 56%,2% 35%,39% 35%)}.maze-controls{display:grid;grid-template-columns:repeat(3,52px);gap:6px}.maze-controls button{height:48px;border:1px solid var(--line);background:#fff;border-radius:13px;font-size:22px;cursor:pointer}.maze-controls button:nth-child(1){grid-column:2}.maze-controls button:nth-child(2){grid-column:1;grid-row:2}.maze-controls button:nth-child(3){grid-column:2;grid-row:2}.maze-controls button:nth-child(4){grid-column:3;grid-row:2}.coloring-wrap{display:grid;gap:18px;justify-items:center;width:100%}.palette{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.swatch{width:42px;height:42px;border-radius:50%;border:4px solid #fff;box-shadow:0 0 0 1px var(--line);cursor:pointer}.swatch.active{box-shadow:0 0 0 3px #17313a}.coloring-svg{width:min(580px,100%);background:#fff;border:1px solid var(--line);border-radius:22px}.paint-part{cursor:pointer;stroke:#17313a;stroke-width:3;transition:.12s}.paint-part:hover{opacity:.84}.shape-match{width:min(620px,100%);display:grid;grid-template-columns:1fr 1fr;gap:26px}.shape-bank,.shape-targets{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.shape-piece,.shape-target{aspect-ratio:1;border-radius:20px;display:grid;place-items:center;border:2px solid var(--line);background:#fff;cursor:pointer}.shape-piece.selected{outline:4px solid #72d5bd}.shape-target.filled{background:#e1f7f0}.shape-symbol{width:62%;height:62%}.slide-grid{display:grid;gap:6px;width:min(500px,95%);background:#dce9e5;padding:7px;border-radius:20px}.slide-tile{aspect-ratio:1;border:0;border-radius:13px;background:#fff;font-size:clamp(20px,4vw,34px);font-weight:850;color:var(--ink);cursor:pointer}.slide-tile.empty{background:transparent;cursor:default}.simon-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;width:min(420px,90%)}.simon-btn{aspect-ratio:1;border:0;border-radius:28px;opacity:.65;cursor:pointer;transition:.1s}.simon-btn.lit{opacity:1;transform:scale(.97);box-shadow:0 0 0 6px #fff,0 0 0 9px #17313a}.sort-row{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}.sort-btn{width:78px;height:78px;border:2px solid var(--line);border-radius:20px;background:#fff;font:inherit;font-size:28px;font-weight:850;cursor:pointer}.sort-btn.done{opacity:.25;pointer-events:none}.shape-dot{display:inline-block;width:42px;height:42px}.shape-circle{border-radius:50%}.shape-square{border-radius:8px}.shape-triangle{clip-path:polygon(50% 0,100% 100%,0 100%)}.shape-diamond{clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%)}
@media(max-width:980px){.category-grid{grid-template-columns:repeat(2,1fr)}.games-grid,.games-grid.four{grid-template-columns:repeat(2,1fr)}.hero-grid{grid-template-columns:1fr}.hero-visual{max-width:620px;margin:auto}.game-layout{grid-template-columns:1fr}.side-card{position:static;display:none}.page-hero-grid,.game-heading{grid-template-columns:1fr 240px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}@media(max-width:720px){.wrap{width:min(var(--max),calc(100% - 22px))}.nav-toggle{display:block}.nav{display:none;position:absolute;top:64px;left:11px;right:11px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:14px;box-shadow:var(--shadow);align-items:stretch}.nav.open{display:grid}.nav details{width:100%}.nav-pop{position:static;width:auto;box-shadow:none;border:0;padding:6px 0 0}.hero{padding-top:42px}.hero h1{font-size:48px}.age-picker{display:grid;gap:8px}.select-wrap select{width:100%}.category-grid{grid-template-columns:1fr}.games-grid,.games-grid.four{grid-template-columns:1fr}.trust-card{grid-template-columns:1fr;padding:25px}.trust-list{grid-template-columns:1fr}.page-hero-grid,.game-heading{grid-template-columns:1fr}.page-hero-grid img,.game-heading img{justify-self:start;width:220px}.game-stage{min-height:390px;padding:16px}.memory-grid{gap:7px}.choice{min-height:76px;font-size:24px}.shape-match{grid-template-columns:1fr;gap:14px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.section{padding:34px 0}.page-hero,.game-hero{padding-top:36px}.seo-box,.prose{padding:23px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
/* leaderboard / timed challenge */
.challenge-card,.leaderboard-card{background:#fff;border:1px solid var(--line);border-radius:26px;padding:22px;margin-top:22px}.challenge-head,.leaderboard-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.challenge-head h2,.leaderboard-head h2{margin:0;font-size:26px;letter-spacing:-.025em}.challenge-head p,.leaderboard-head p{margin:6px 0 0;color:var(--muted);font-size:14px}.challenge-form{display:grid;grid-template-columns:minmax(160px,1fr) 150px auto;gap:10px;margin-top:18px}.field{display:grid;gap:6px}.field label{font-size:12px;font-weight:800;color:#60757c}.field input,.field select{width:100%;height:46px;border:1px solid var(--line);border-radius:13px;background:#fbfdfc;color:var(--ink);font:inherit;padding:0 12px;outline:none}.field input:focus,.field select:focus{border-color:#83cdbb;box-shadow:0 0 0 3px rgba(114,213,189,.18)}.challenge-button{align-self:end;height:46px}.challenge-status{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:16px;padding:13px 14px;background:#f3f8f6;border-radius:15px}.challenge-status strong{font-variant-numeric:tabular-nums}.challenge-pill{display:inline-flex;align-items:center;border-radius:999px;background:var(--mint2);color:#286e5f;padding:5px 9px;font-size:12px;font-weight:800}.challenge-message{margin-left:auto;color:var(--muted);font-size:13px}.personal-best{background:#fff7e5;border:1px solid #f7dfaa;border-radius:15px;padding:10px 13px;font-size:14px;font-weight:750}.leaderboard-controls{display:flex;gap:8px;align-items:center}.leaderboard-controls select{height:40px;border:1px solid var(--line);border-radius:11px;background:#fff;padding:0 10px;font:inherit;font-weight:700;color:var(--ink)}.leaderboard-wrap{overflow:auto;margin-top:15px}.leaderboard-table{width:100%;border-collapse:collapse;min-width:520px}.leaderboard-table th,.leaderboard-table td{text-align:left;padding:11px 10px;border-bottom:1px solid #edf3f1;font-size:14px}.leaderboard-table th{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:#72858b}.leaderboard-table td:nth-child(1){width:58px;font-weight:850}.leaderboard-table td:nth-child(3),.leaderboard-table td:nth-child(4){font-variant-numeric:tabular-nums}.leaderboard-empty{padding:24px 10px;color:var(--muted);text-align:center}.result-flash{margin-top:14px;border-radius:16px;padding:14px 16px;background:#e7f8f2;border:1px solid #bfe8dc;font-weight:750}.result-flash.error{background:#fff0f3;border-color:#f2c2cc}.privacy-hint{font-size:12px;color:#71848a;margin:8px 0 0}.challenge-active .challenge-form input,.challenge-active .challenge-form select{opacity:.65;pointer-events:none}
@media(max-width:720px){.challenge-form{grid-template-columns:1fr}.challenge-button{width:100%}.challenge-head,.leaderboard-head{display:grid}.challenge-message{margin-left:0;width:100%}.leaderboard-controls{justify-content:flex-start}}

/* BimiPlay 6.1: daily challenge, popular week, profiles, medals, playtime, prize league */
.practice-level{display:block;margin-top:3px;color:var(--muted);font-size:11px;font-weight:650}.daily-section{padding-top:0}.daily-card{display:grid;grid-template-columns:1fr 220px;gap:24px;align-items:center;background:linear-gradient(135deg,#e9f9f4,#fff8e8);border:1px solid var(--line);border-radius:30px;padding:26px 30px;box-shadow:var(--shadow)}.daily-card h2{margin:4px 0 6px;font-size:30px}.daily-card p{margin:0 0 8px;color:var(--muted)}.field.compact{max-width:220px}.profile-grid,.prize-rule-grid,.dashboard-two{display:grid;grid-template-columns:1fr 1fr;gap:18px}.dashboard-card{background:#fff;border:1px solid var(--line);border-radius:26px;padding:22px;margin-bottom:18px}.dashboard-card h2{margin:0 0 14px;font-size:23px}.profile-create{display:grid;grid-template-columns:1fr 150px auto;gap:10px;align-items:end;margin-top:14px}.dashboard-card input,.dashboard-card select,#monthly-age{height:44px;border:1px solid var(--line);border-radius:12px;background:#fbfdfc;padding:0 11px;font:inherit;color:var(--ink)}.check-row{display:flex;gap:9px;align-items:flex-start;padding:12px 0;font-size:13px;color:var(--muted)}.check-row input{width:18px;height:18px;margin-top:1px}.family-code{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:14px;padding:12px 14px;background:#f3f8f6;border-radius:14px}.family-code span{font-size:12px;color:var(--muted)}.family-code strong{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px;letter-spacing:.04em}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}.stats-grid>div{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px}.stats-grid strong{display:block;font-size:28px}.stats-grid span{display:block;margin-top:4px;color:var(--muted);font-size:12px}.achievement-list{list-style:none;padding:0;margin:0;display:grid;gap:8px}.achievement-list li{display:flex;gap:10px;align-items:center;padding:11px;border-radius:14px;background:#f7faf9}.achievement-list small,.medal-card small{display:block;color:var(--muted);margin-top:2px}.medal-list{display:grid;gap:8px}.medal-card{display:flex;gap:10px;align-items:center;text-decoration:none;color:inherit;padding:11px;border:1px solid var(--line);border-radius:14px}.medal-dot{width:18px;height:18px;border-radius:50%;background:#bc7b44;box-shadow:inset 0 0 0 4px rgba(255,255,255,.45)}.medal-silver .medal-dot,.medal.medal-silver{background:#edf1f3;color:#5c6c73}.medal-gold .medal-dot,.medal.medal-gold{background:#fff0b6;color:#7b5b00}.medal-diamond .medal-dot,.medal.medal-diamond{background:#dff8ff;color:#216c7b}.medal-bronze .medal-dot,.medal.medal-bronze{background:#f7dfcb;color:#805333}.medal{display:inline-flex;border-radius:999px;padding:4px 8px;font-size:11px;font-weight:800}.empty-state{color:var(--muted);padding:12px}.win-card{border:1px solid var(--line);border-radius:15px;padding:13px;margin:8px 0;display:grid;gap:7px}.win-card code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.rules-card ul{margin:0;padding-left:20px;display:grid;gap:8px;color:var(--muted)}.monthly-table .finalist{background:#fff9e9}.draw-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.draw-card,.store-card{border:1px solid var(--line);background:#fff;border-radius:18px;padding:16px}.draw-card p{margin:8px 0}.draw-card code{display:block;overflow-wrap:anywhere;font-size:10px;color:var(--muted);margin-top:8px}.store-card{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:8px 0}.result-flash.warning{background:#fff8e8;border-color:#f2dfa9}.privacy-hint a{font-weight:750}.leaderboard-controls{flex-wrap:wrap}
@media(max-width:900px){.stats-grid{grid-template-columns:repeat(2,1fr)}.profile-grid,.prize-rule-grid,.dashboard-two{grid-template-columns:1fr}.daily-card{grid-template-columns:1fr}.draw-grid{grid-template-columns:1fr}}
@media(max-width:620px){.profile-create{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr}.daily-card{padding:20px}.family-code{align-items:flex-start;flex-direction:column}.leaderboard-controls select{width:100%}}

/* BimiPlay 6.1: weekly popularity, prize contact and healthy play-time limit */
.popular-section{padding-top:18px}.popular-section .section-head p{margin:6px 0 0;color:var(--muted)}.popular-card .game-meta{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap}.popular-count{color:#9b6b16}
.game-time-bar{display:grid;grid-template-columns:auto auto 1fr;align-items:center;gap:10px;padding:9px 16px;background:#f7faf9;border-bottom:1px solid var(--line);font-size:12px}.game-time-bar span{font-weight:800}.game-time-bar strong{font-variant-numeric:tabular-nums;background:#fff;border:1px solid var(--line);border-radius:999px;padding:4px 9px}.game-time-bar small{color:var(--muted);text-align:right}.game-shell{position:relative}.time-limit-overlay{position:absolute;inset:0;z-index:20;background:rgba(247,251,249,.96);backdrop-filter:blur(5px);display:grid;place-items:center;padding:24px;text-align:center}.time-limit-overlay[hidden]{display:none}.time-limit-overlay>div{max-width:520px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:var(--shadow)}.time-limit-overlay strong{font-size:24px}.time-limit-overlay p{color:var(--muted);margin:10px 0 18px}.time-limit-reached .game-time-bar{background:#fff3e0}.time-limit-reached .game-time-bar strong{color:#8b5c0a}
.contest-email-card{margin-top:16px;padding:18px;border-radius:20px;background:linear-gradient(135deg,#fff8dc,#f1fbf7);border:1px solid #eadca9}.contest-email-card[hidden]{display:none}.contest-email-card h3{font-size:23px;margin:5px 0 6px}.contest-email-card p{margin:0;color:var(--muted)}.contest-email-form{display:grid;grid-template-columns:minmax(220px,1fr) minmax(260px,1.4fr) auto;gap:12px;align-items:end;margin-top:15px}.contest-email-form .check-row{padding:0}.contest-email-form .small{grid-column:1/-1;margin:0}.contest-email-card.saved{background:#eaf8f3;border-color:#bce3d7}
@media(max-width:820px){.contest-email-form{grid-template-columns:1fr}.game-time-bar{grid-template-columns:1fr auto}.game-time-bar small{grid-column:1/-1;text-align:left}}

/* BimiPlay 6: launch mechanics */
.difference-pair{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:760px;margin:18px auto}.difference-grid{display:grid;gap:7px;padding:12px;border-radius:24px;background:var(--surface,#fff);box-shadow:inset 0 0 0 1px rgba(23,49,58,.08)}.difference-cell{aspect-ratio:1;border:0;border-radius:14px;background:#f5faf8;display:grid;place-items:center;padding:6px}.difference-grid.right button.difference-cell{cursor:pointer}.difference-cell.good{outline:4px solid #72d5bd}.difference-cell.bad{outline:4px solid #f49ab0}.difference-cell .shape-dot{width:min(42px,8vw);height:min(42px,8vw)}
.sudoku-grid{display:grid;grid-template-columns:repeat(4,minmax(46px,74px));gap:4px;justify-content:center;margin:18px auto 22px}.sudoku-cell{aspect-ratio:1;display:grid;place-items:center;border:2px solid #dbe8e3;border-radius:10px;background:#fff;font-size:clamp(24px,6vw,38px);font-weight:800}.sudoku-cell.blank{background:#fff3c9;border-style:dashed;color:#6b5822}
.clock-svg{display:block;width:min(280px,72vw);height:auto;margin:12px auto 22px}.choice-grid.compact{max-width:540px;margin-inline:auto}.math-sign{font-size:40px;line-height:1}
.word-build{text-align:center}.word-model,.typing-model{font-size:clamp(30px,8vw,54px);font-weight:900;letter-spacing:.08em;margin:16px 0;color:#17313a}.word-answer{min-height:58px;font-size:clamp(28px,7vw,48px);font-weight:900;letter-spacing:.08em;padding:8px 0}.letter-bank{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:16px auto;max-width:700px}.letter-tile{min-width:58px;height:58px;border:0;border-radius:16px;background:#fff;box-shadow:0 8px 24px rgba(23,49,58,.1);font-size:30px;font-weight:900;cursor:pointer}.letter-tile.done{opacity:.35;transform:scale(.94)}
.typing-game{display:grid;justify-items:center;gap:12px}.typing-input{width:min(480px,90%);font:700 26px/1.3 inherit;text-align:center;text-transform:uppercase;padding:14px 18px;border:2px solid #d7e6e1;border-radius:16px;background:#fff}.typing-input:focus{outline:3px solid rgba(108,125,240,.18);border-color:#6c7df0}
.coin-row{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:12px;margin:20px auto 26px}.coin{width:72px;height:72px;border-radius:50%;display:grid;place-items:center;align-content:center;background:linear-gradient(145deg,#ffe6a4,#f2bd54);border:4px solid #d99b2d;box-shadow:inset 0 2px 0 rgba(255,255,255,.65),0 8px 18px rgba(23,49,58,.1);color:#5d4211}.coin strong{font-size:24px}.coin small{font-size:12px;font-weight:800}
.fraction-model{display:grid;width:min(520px,88%);height:86px;margin:22px auto;gap:4px}.fraction-part{background:#fff;border:2px solid #dbe8e3;border-radius:10px}.fraction-part.filled{background:#8fa8ff;border-color:#7089e8}
.symmetry-source{display:flex;align-items:center;justify-content:center;gap:18px;margin:20px auto}.symmetry-strip{display:inline-flex;gap:6px;padding:9px;background:#fff;border-radius:15px}.symmetry-strip i{display:block;width:32px;height:32px;border-radius:9px}.mirror-line{display:block;width:4px;height:70px;border-radius:3px;background:#17313a;opacity:.35}.symmetry-choices .choice{min-height:70px}
@media(max-width:640px){.difference-pair{gap:8px}.difference-grid{padding:7px;gap:4px}.difference-cell{border-radius:9px}.sudoku-grid{grid-template-columns:repeat(4,minmax(42px,58px))}.coin{width:58px;height:58px}.letter-tile{min-width:50px;height:50px;font-size:25px}.symmetry-strip i{width:24px;height:24px}}

/* BimiPlay 6.1: grade landing pages, exact-age intent and editorial hub */
.alt-section{background:#eef7f3;border-block:1px solid var(--line)}
.exact-age-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.exact-age-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px}.exact-age-card h2{font-size:24px;line-height:1.15;margin:0 0 9px}.exact-age-card p{margin:0;color:var(--muted)}.exact-age-links{gap:10px}.exact-age-links a{background:#fff;border:1px solid var(--line);box-shadow:0 5px 18px rgba(24,60,66,.035)}
.grade-card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.grade-card{display:flex;min-height:150px;flex-direction:column;gap:5px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:19px;transition:.18s ease}.grade-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.grade-card strong{font-size:20px}.grade-card span{color:#337261;font-weight:800;font-size:13px}.grade-card small{color:var(--muted);margin-top:auto}.grade-focus{justify-self:end;width:min(360px,100%);background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px}.grade-focus strong{font-size:17px}.grade-focus ul{margin:10px 0 0;padding-left:20px;color:var(--muted);display:grid;gap:6px}.grade-filter{margin:0 0 28px}.grade-filter .active{background:var(--ink);color:#fff}
.article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.article-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.article-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;min-height:245px}.article-card h3{font-size:21px;line-height:1.22;margin:10px 0}.article-card h3 a:hover{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}.article-card p{color:var(--muted);margin:0 0 18px}.article-badges{display:flex;flex-wrap:wrap;gap:6px}.article-badges span{display:inline-flex;background:var(--mint2);color:#2e7565;border-radius:999px;padding:5px 9px;font-size:11px;font-weight:800}.article-meta{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:auto;color:var(--muted);font-size:12px}.narrow{max-width:820px}.article-hero{padding:58px 0 22px}.article-hero h1{font-size:clamp(38px,6vw,64px);line-height:1.03;letter-spacing:-.045em;margin:14px 0 18px}.article-lead{font-size:clamp(19px,2.2vw,23px);line-height:1.55;color:var(--muted);margin:0}.article-byline{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:20px;color:#6a7e85;font-size:13px;font-weight:650}.article-body{background:#fff;border:1px solid var(--line);border-radius:30px;padding:clamp(24px,5vw,48px);margin-top:24px}.article-body section+section{margin-top:38px}.article-body h2{font-size:clamp(25px,3.5vw,34px);line-height:1.14;letter-spacing:-.025em;margin:0 0 14px}.article-body p,.article-body li{font-size:17px;color:#465f67}.article-body ul{display:grid;gap:9px;padding-left:23px}.source-box{margin-top:42px;background:#f4f9f7;border-radius:22px;padding:22px}.source-box h2{font-size:21px}.source-box ul{font-size:14px}.source-box a{text-decoration:underline;text-decoration-color:#9bcabd;text-underline-offset:3px}.language-gate{min-height:100svh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 25% 20%,#dff7ef 0,transparent 32%),radial-gradient(circle at 80% 75%,#fff0c9 0,transparent 30%),var(--bg)}.language-gate-card{width:min(540px,100%);text-align:center;background:#fff;border:1px solid var(--line);border-radius:34px;padding:44px;box-shadow:var(--shadow)}.language-gate-card>.brand-mark{margin:0 auto;width:52px;height:52px;padding:11px;border-radius:17px}.language-gate-card h1{font-size:clamp(44px,9vw,72px);letter-spacing:-.05em;margin:18px 0 5px}.language-gate-card p{color:var(--muted);font-size:17px}.language-buttons{display:flex;justify-content:center;gap:10px;margin-top:25px}
@media(max-width:960px){.grade-card-grid{grid-template-columns:repeat(2,1fr)}.article-grid,.article-grid.three{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.exact-age-grid,.grade-card-grid,.article-grid,.article-grid.three{grid-template-columns:1fr}.grade-focus{justify-self:stretch}.language-gate-card{padding:30px 20px}.language-buttons{flex-direction:column}.article-body{border-radius:22px}.article-card{min-height:0}}
/* BimiPlay 6.1 interaction fixes */
.age-picker-status{margin:12px 0 0!important;font-size:14px!important;line-height:1.45!important;color:var(--muted)!important;max-width:560px!important}.age-picker-status strong{color:var(--ink)}.hero-age-link{margin-top:8px}
.game-scorebar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border-bottom:1px solid var(--line)}.game-scorebar>div{background:#fbfdfc;padding:10px 14px;display:flex;align-items:center;justify-content:space-between;gap:8px}.game-scorebar span{font-size:11px;color:var(--muted);font-weight:750}.game-scorebar strong{font-size:16px;font-variant-numeric:tabular-nums}.game-scorebar progress{grid-column:1/-1;width:100%;height:5px;border:0;appearance:none;background:#edf4f1}.game-scorebar progress::-webkit-progress-bar{background:#edf4f1}.game-scorebar progress::-webkit-progress-value{background:var(--mint)}.game-scorebar progress::-moz-progress-bar{background:var(--mint)}
.game-stage.unit-complete{pointer-events:none;opacity:.78}.level-break-overlay{position:absolute;inset:0;z-index:18;background:rgba(247,251,249,.96);backdrop-filter:blur(5px);display:grid;place-items:center;padding:24px;text-align:center}.level-break-overlay[hidden]{display:none}.level-break-card{width:min(520px,100%);background:#fff;border:1px solid var(--line);border-radius:26px;padding:30px;box-shadow:var(--shadow)}.level-break-card h3{font-size:clamp(27px,4vw,38px);line-height:1.08;margin:8px 0 10px}.level-break-card p{color:var(--muted);margin:8px 0}.level-break-summary{font-size:18px!important;font-weight:800;color:var(--ink)!important}.level-break-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:20px}
@media(max-width:1040px){.nav-toggle{display:block}.nav{display:none;position:absolute;top:64px;left:16px;right:16px;max-height:calc(100vh - 82px);overflow:auto;background:#fff;border:1px solid var(--line);border-radius:20px;padding:14px;box-shadow:var(--shadow);align-items:stretch;gap:4px}.nav.open{display:grid}.nav details{width:100%}.nav>a,.nav summary{display:block;padding:9px 10px;border-radius:10px}.nav-pop{position:static;right:auto;top:auto;width:auto;box-shadow:none;border:0;padding:4px 0 4px 12px}.nav-pop a{display:block}.nav-wrap{gap:12px}}
@media(max-width:620px){.game-scorebar{grid-template-columns:repeat(2,minmax(0,1fr))}.game-scorebar progress{grid-column:1/-1}.level-break-card{padding:24px 18px}.level-break-actions{display:grid}.level-break-actions .button{width:100%}.hero-age-link{font-size:13px}}

/* BimiPlay 6.1 usability polish */
.nav details[open]>summary{color:var(--ink);background:var(--mint2);border-radius:10px}.nav-pop{z-index:70}.construction-page{min-height:62vh;display:grid;align-items:center}.construction-card{margin-top:18px;background:#fff;border:1px solid var(--line);border-radius:30px;padding:clamp(28px,5vw,48px);box-shadow:var(--shadow);text-align:center}.construction-card h1{margin:10px auto 14px!important}.construction-card p{margin:0 auto 24px;max-width:620px}.construction-icon{width:62px;height:62px;margin:0 auto;display:grid;place-items:center;border-radius:20px;background:linear-gradient(135deg,var(--mint2),#fff3cf);font-size:30px}.game-scorebar{position:relative}.game-scorebar>div:nth-child(2) strong{color:#267f6b}.game-scorebar>div:nth-child(3) strong{color:#b34d65}.level-break-overlay{animation:levelFade .18s ease-out}.level-break-card .button{min-width:150px}@keyframes levelFade{from{opacity:0}to{opacity:1}}

/* BimiPlay 6.2 — generated brand/theme assets and adaptive toggle */
.brand-logo{display:block;width:150px;height:auto;max-height:48px;object-fit:contain}.footer-brand .brand-logo{width:165px}.language-logo{display:block;width:min(320px,82vw);height:auto;margin:0 auto 8px}.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.game-toolbar-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}.adaptive-toggle{height:42px;border:1px solid #9fdacb;border-radius:13px;background:var(--mint2);display:inline-flex;align-items:center;gap:9px;padding:0 8px 0 12px;color:#245f53;font:inherit;font-size:12px;font-weight:800;cursor:pointer;transition:.16s}.adaptive-toggle b{min-width:38px;padding:4px 8px;border-radius:999px;background:#2eaa7f;color:#fff;text-align:center;font-size:11px;letter-spacing:.04em}.adaptive-toggle:hover{transform:translateY(-1px)}.adaptive-toggle.is-off{background:#f5f7f7;border-color:var(--line);color:#6b7c82}.adaptive-toggle.is-off b{background:#aab5ba}.adaptive-toggle:focus-visible{outline:3px solid rgba(114,213,189,.35);outline-offset:2px}
.game-stage{position:relative;overflow:hidden}.game-stage>div:not(.game-theme-context){position:relative;z-index:2}.game-theme-context{position:absolute!important;z-index:1!important;right:14px;top:14px;width:88px;height:88px;border-radius:22px;display:grid;place-items:center;background:rgba(255,255,255,.72);border:1px solid rgba(223,234,230,.9);box-shadow:0 8px 25px rgba(24,60,66,.06);opacity:.52;pointer-events:none;overflow:hidden}.game-theme-context img{width:78px;height:78px;object-fit:contain;filter:saturate(.92)}
.memory-card{background:linear-gradient(145deg,#e5f7f1,#d5efe6);box-shadow:inset 0 0 0 1px rgba(66,135,117,.09)}.memory-card .front{background:#fff}.memory-theme-icon{width:82%;height:82%;object-fit:contain;user-select:none}.letter-memory-face{position:relative;width:100%;height:100%;display:grid;place-items:center}.letter-memory-face strong{font-size:clamp(30px,7vw,56px);position:relative;z-index:2;text-shadow:0 2px 0 #fff}.letter-memory-face img{position:absolute;width:74%;height:74%;object-fit:contain;opacity:.14;filter:saturate(.8)}
@media(max-width:620px){.brand-logo{width:126px}.game-toolbar{align-items:flex-start}.game-toolbar-actions{gap:6px}.adaptive-toggle{width:42px;padding:0;justify-content:center}.adaptive-toggle span{display:none}.adaptive-toggle b{min-width:32px;padding:4px 5px}.game-theme-context{width:62px;height:62px;right:8px;top:8px;opacity:.38}.game-theme-context img{width:56px;height:56px}}
.theme-pack-preview{aspect-ratio:1;object-fit:contain;background:#fbfdfc;border:1px solid var(--line);padding:8px}
.maze-cell.player::after,.maze-cell.finish::before{display:none}.maze-theme-token{position:absolute;inset:12%;width:76%;height:76%;object-fit:contain;z-index:2}.maze-theme-token.finish-token{filter:saturate(.9)}
.coloring-reference{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:8px 12px;color:var(--muted);font-size:12px;font-weight:750}.coloring-reference img{width:44px;height:44px;object-fit:contain}.difference-theme-icon{width:min(56px,9vw);height:min(56px,9vw);object-fit:contain}.difference-cell{overflow:hidden}

/* Analytics consent */
.cookie-consent{position:fixed;z-index:10000;left:16px;right:16px;bottom:16px;max-width:980px;margin:0 auto;background:#fff;border:1px solid #dbe9e5;border-radius:22px;box-shadow:0 18px 55px rgba(23,49,58,.18);padding:18px;color:#17313a}
.cookie-consent-inner{display:flex;gap:22px;align-items:center;justify-content:space-between}
.cookie-consent-copy{max-width:680px}.cookie-consent-copy strong{display:block;font-size:18px;margin-bottom:6px}.cookie-consent-copy p{margin:0;font-size:14px;line-height:1.55;color:#52666c}.cookie-consent-copy a{color:#267f6b;text-decoration:underline}
.cookie-consent-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}.cookie-consent-actions .button{white-space:nowrap}
.cookie-settings-button{appearance:none;border:0;background:none;padding:0;color:inherit;font:inherit;text-decoration:underline;cursor:pointer;text-align:left}
@media(max-width:760px){.cookie-consent{left:10px;right:10px;bottom:10px;padding:16px}.cookie-consent-inner{display:block}.cookie-consent-actions{margin-top:14px;justify-content:stretch}.cookie-consent-actions .button{flex:1 1 180px}}
/* BimiPlay 6.4 game QA / stability */
.game-shell.free-play .game-scorebar{display:none!important}.game-shell.free-play .level-break-overlay{display:none!important}.free-play-note{width:min(620px,100%);margin:0 auto 14px;padding:10px 14px;border-radius:14px;background:#eef7f4;color:#4f6870;font-size:14px;font-weight:700;text-align:center}.game-stage{min-height:500px;align-content:center}.game-stage>div:not(.game-theme-context){width:100%}.choice-grid{margin-inline:auto;align-items:stretch;grid-auto-rows:minmax(88px,auto)}.choice-grid.stable-grid{min-height:388px}.choice{width:100%;min-width:0}.prompt{min-height:58px;display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}.shape-match{min-height:330px}.shape-bank,.shape-targets{align-content:center;grid-auto-rows:minmax(96px,1fr)}.shape-piece,.shape-target{min-height:96px}.shape-symbol,.target-symbol{display:grid;place-items:center;width:70px;height:70px}.target-symbol{opacity:.22}.shape-dot{width:46px;height:46px}.shape-oval{border-radius:50%;width:58px!important;height:38px!important}.shape-star{clip-path:polygon(50% 0,61% 35%,98% 35%,68% 56%,79% 93%,50% 70%,21% 93%,32% 56%,2% 35%,39% 35%)}.shape-hexagon{clip-path:polygon(25% 7%,75% 7%,100% 50%,75% 93%,25% 93%,0 50%)}.shape-pentagon{clip-path:polygon(50% 0,98% 36%,80% 100%,20% 100%,2% 36%)}.memory-grid{margin-inline:auto}.slide-puzzle-wrap{width:100%;display:grid;justify-items:center;gap:12px}.slide-tile{position:relative;display:grid;place-items:center;overflow:hidden}.slide-tile img{position:absolute;inset:8%;width:84%;height:84%;object-fit:contain;opacity:.22;pointer-events:none}.slide-tile strong{position:relative;z-index:2}.coloring-svg{height:auto;aspect-ratio:600/380}.difference-game{width:100%}.difference-pair{min-height:260px}.difference-grid{align-self:start}.sudoku-cell.muted-blank{color:#9dafb4;background:#f5f8f7}.typing-game,.word-build{min-height:300px;align-content:center}.sort-row{min-height:176px;align-content:center}.pattern-row{min-height:72px}.count-board{min-height:250px;max-height:300px;overflow:hidden}.coin-row{min-height:96px}.fraction-model{min-height:82px}.symmetry-source{min-height:92px}
@media(max-width:720px){.game-stage{min-height:440px}.choice-grid.stable-grid{min-height:344px}.prompt{min-height:52px}.shape-match{min-height:300px}.difference-pair{min-height:220px}}
/* 6.4.0 mobile game-layout hardening */
.game-layout>div,.game-shell,.challenge-card,.leaderboard-card,.game-copy{min-width:0;max-width:100%}
@media(max-width:980px){.game-layout{width:100%}.game-layout>div{width:100%;min-width:0}.challenge-card,.leaderboard-card,.game-copy,.game-shell{width:100%;min-width:0;max-width:100%}.leaderboard-wrap{max-width:100%;overflow-x:auto}.challenge-form>*{min-width:0}.challenge-form input,.challenge-form select{max-width:100%}}